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| author | Wolfgang Denk <wd@atlas.denx.de> | 2006-03-06 23:18:48 +0100 |
|---|---|---|
| committer | Wolfgang Denk <wd@atlas.denx.de> | 2006-03-06 23:18:48 +0100 |
| commit | 951a954b77ef30df1f5c1b7b9b4312e783b2cbb4 (patch) | |
| tree | 8f94ab1a2e15fbf31c322e6be1f750e10ac2fe2f | |
| parent | ac7d97dcbb499c96c8182757f301dd2e09c9f49d (diff) | |
| parent | bfc81252c0de3bfcf92c7c35bc04341fb33e4e4e (diff) | |
| download | u-boot-imx-951a954b77ef30df1f5c1b7b9b4312e783b2cbb4.zip u-boot-imx-951a954b77ef30df1f5c1b7b9b4312e783b2cbb4.tar.gz u-boot-imx-951a954b77ef30df1f5c1b7b9b4312e783b2cbb4.tar.bz2 | |
Merge with /home/wd/git/u-boot/master
Code cleanup.
114 files changed, 4798 insertions, 3613 deletions
@@ -2,11 +2,66 @@ Changes since U-Boot 1.1.4: ====================================================================== -* Merge the new NAND code (testing-NAND brach) +* Minor code cleanup +* Merge the new NAND code (testing-NAND brach); see doc/README.nand Rewrite of NAND code based on what is in 2.6.12 Linux kernel Patch by Ladislav Michl, 29 Jun 2005 +* Add lowboot target to mcc200 board + Patch by Stefan Roese, 4 Mar 2006 + +* Fix problem with flash_get_size() from CFI driver update + Patch by Stefan Roese, 1 Mar 2006 + +* Make CFG_NO_FLASH work on ARM systems + Patch by Markus Klotzbuecher, 27 Feb 2006 + +* Update mcc200 config: Disable PCI and DoC, use 133 MHz IPB clock, + use hush shell. + +* Convert mcc200 to use common CFI flash driver + Patch by Stefan Roese, 28 Feb 2006 + +* Add env-variable "unlock" to handle initial state of sectors + (locked/unlocked). + + Only the U-Boot image and it's environment is protected, + all other sectors are unprotected (unlocked) if flash + hardware protection is used (CFG_FLASH_PROTECTION) and + the environment variable "unlock" is set to "yes". + + Patch by Stefan Roese, 28 Feb 2006 + +* Update drivers/cfi_flash.c: + - find_sector() called in both versions of flash_write_cfiword() + Patch by Peter Pearse, 27th Feb 2006 + +* CFI support for a x8/x16 AMD/Spansion flash configured in x8 mode + Patch by Jose Maria Lopez, 16 Jan 2006 + +* Add support for AMD/Spansion Flashes in flash_write_cfibuffer + Patch by Alex Bastos and Thomas Schaefer, 2005-08-29 + +* Changes/fixes for drivers/cfi_flash.c: + We *should* check if there are any error bits if the previous call + returned ERR_OK (Otherwise we will have output an error message in + flash_status_check() already.) The original code would only check for + error bits if flash_status_check() returns ERR_TIMEOUT. + Patch by Marcus Hall, 23 Aug 2005 + +* Changes/fixes for drivers/cfi_flash.c: + - Add CFG_FLASH_PROTECT_CLEAR on drivers/cfi_flash.c + - Prohibit buffer write when buffer_size is 1 on drivers/cfi_flash.c + Patch by Sangmoon Kim, 19 Aug 2005 + +* Fixes for drivers/cfi_flash.c: + - Fix wrong timeout value usage in flash_status_check() + - Round write_tout up when converting to msec in flash_get_size() + - Remove clearing flash status at the end of flash_write_cfibuffer() + which sets Intel 28F640J3 flash back to command mode on CSB472 + Patch by Tolunay Orkun, 02 July 2005 + * Add basic support for the SMMACO4 Board from PanDaCom. Patch by Heiko Schocher, 20 Feb 2006 @@ -26,8 +26,8 @@ LIST_5xx=" \ LIST_5xxx=" \ cpci5200 icecube_5100 icecube_5200 EVAL5200 \ - pf5200 PM520 Total5100 Total5200 \ - Total5200_Rev2 TQM5200_auto o2dnt \ + mcc200 o2dnt pf5200 PM520 \ + Total5100 Total5200 Total5200_Rev2 TQM5200_auto \ " ######################################################################### @@ -177,10 +177,10 @@ LIST_ARM9=" \ ap920t ap922_XA10 ap926ejs ap946es \ ap966 cp920t cp922_XA10 cp926ejs \ cp946es cp966 lpd7a400 mp2usb \ - mx1ads mx1fs2 omap1510inn omap1610h2 \ - omap1610inn omap730p2 scb9328 smdk2400 \ - smdk2410 trab VCMA9 versatile \ - versatileab versatilepb voiceblue + mx1ads mx1fs2 netstar omap1510inn \ + omap1610h2 omap1610inn omap730p2 scb9328 \ + smdk2400 smdk2410 trab VCMA9 \ + versatile versatileab versatilepb voiceblue " ######################################################################### @@ -295,14 +295,23 @@ icecube_5100_config: unconfig } @./mkconfig -a IceCube ppc mpc5xxx icecube -inka4x0_config: unconfig +inka4x0_config: unconfig @./mkconfig inka4x0 ppc mpc5xxx inka4x0 +mcc200_config \ +mcc200_lowboot_config: unconfig + @ >include/config.h + @[ -z "$(findstring lowboot_,$@)" ] || \ + { echo "TEXT_BASE = 0xFE000000" >board/mcc200/config.tmp ; \ + echo "... with lowboot configuration" ; \ + } + @./mkconfig mcc200 ppc mpc5xxx mcc200 + o2dnt_config: - @./mkconfig -a o2dnt ppc mpc5xxx o2dnt + @./mkconfig o2dnt ppc mpc5xxx o2dnt pf5200_config: unconfig - @./mkconfig -a pf5200 ppc mpc5xxx pf5200 esd + @./mkconfig pf5200 ppc mpc5xxx pf5200 esd PM520_config \ PM520_DDR_config \ @@ -1870,15 +1879,13 @@ clean: rm -f board/cray/L1/bootscript.c board/cray/L1/bootscript.image rm -f board/trab/trab_fkt board/voiceblue/eeprom rm -f board/integratorap/u-boot.lds board/integratorcp/u-boot.lds - rm -f u-boot.objdump-* clobber: clean find . -type f \( -name .depend \ -o -name '*.srec' -o -name '*.bin' -o -name u-boot.img \) \ -print0 \ | xargs -0 rm -f - rm -f $(OBJS) *.bak tags include/version_autogenerated.h - + rm -f $(OBJS) *.bak tags TAGS include/version_autogenerated.h rm -fr *.*~ rm -f u-boot u-boot.map u-boot.hex $(ALL) rm -f tools/crc32.c tools/environment.c tools/env/crc32.c diff --git a/board/amcc/bamboo/bamboo.c b/board/amcc/bamboo/bamboo.c index 803995a..7c98920 100644 --- a/board/amcc/bamboo/bamboo.c +++ b/board/amcc/bamboo/bamboo.c @@ -277,7 +277,7 @@ int board_early_init_f(void) } #if (CONFIG_COMMANDS & CFG_CMD_NAND) -#include <linux/mtd/nand.h> +#include <linux/mtd/nand_legacy.h> extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE]; /*----------------------------------------------------------------------------+ diff --git a/board/amcc/bamboo/config.mk b/board/amcc/bamboo/config.mk index 35cb655..433429b 100644 --- a/board/amcc/bamboo/config.mk +++ b/board/amcc/bamboo/config.mk @@ -32,3 +32,6 @@ endif ifeq ($(dbcr),1) PLATFORM_CPPFLAGS += -DCFG_INIT_DBCR=0x8cff0000 endif + +# legacy nand support +BOARDLIBS = drivers/nand_legacy/libnand_legacy.a diff --git a/board/dave/PPChameleonEVB/config.mk b/board/dave/PPChameleonEVB/config.mk index 6e03b72..1dc635f 100644 --- a/board/dave/PPChameleonEVB/config.mk +++ b/board/dave/PPChameleonEVB/config.mk @@ -27,5 +27,8 @@ # Reserve 320 kB for Monitor TEXT_BASE = 0xFFFB0000 -# Compile the new NAND code (needed iff #ifdef CONFIG_NEW_NAND_CODE) +# Compile the new NAND code (CFG_NAND_LEGACY mustn't be defined) BOARDLIBS = drivers/nand/libnand.a + +# Compile the legacy NAND code (CFG_NAND_LEGACY must be defined) +#BOARDLIBS = drivers/nand_legacy/libnand_legacy.a diff --git a/board/dave/PPChameleonEVB/nand.c b/board/dave/PPChameleonEVB/nand.c index 16c67cd..40a827c 100644 --- a/board/dave/PPChameleonEVB/nand.c +++ b/board/dave/PPChameleonEVB/nand.c @@ -22,9 +22,8 @@ #include <common.h> + #if (CONFIG_COMMANDS & CFG_CMD_NAND) -#ifdef CONFIG_NEW_NAND_CODE -/* new NAND handling */ #include <nand.h> @@ -82,7 +81,7 @@ static int ppchameleonevb_device_ready(struct mtd_info *mtdinfo) break; } - if (in32(GPIO0_IR) & rb_gpio_pin) + if (in32(GPIO0_IR) & rb_gpio_pin) return 1; return 0; } @@ -90,7 +89,7 @@ static int ppchameleonevb_device_ready(struct mtd_info *mtdinfo) /* * Board-specific NAND initialization. The following members of the - * argument are board-specific (per include/linux/mtd/nand_new.h): + * argument are board-specific (per include/linux/mtd/nand.h): * - IO_ADDR_R?: address to read the 8 I/O lines of the flash device * - IO_ADDR_W?: address to write the 8 I/O lines of the flash device * - hwcontrol: hardwarespecific function for accesing control-lines @@ -115,33 +114,4 @@ void board_nand_init(struct nand_chip *nand) nand->chip_delay = NAND_BIG_DELAY_US; nand->options = NAND_SAMSUNG_LP_OPTIONS; } - -#else - -/* old NAND handling */ -extern ulong -nand_probe(ulong physadr); - -void -nand_init(void) -{ - ulong totlen = 0; - -/* - The HI model is equipped with a large block NAND chip not supported yet - by U-Boot - (CONFIG_PPCHAMELEON_MODULE_MODEL == CONFIG_PPCHAMELEON_MODULE_HI) -*/ - -#if (CONFIG_PPCHAMELEON_MODULE_MODEL == CONFIG_PPCHAMELEON_MODULE_ME) - debug ("Probing at 0x%.8x\n", CFG_NAND0_BASE); - totlen += nand_probe (CFG_NAND0_BASE); -#endif /* CONFIG_PPCHAMELEON_MODULE_ME, CONFIG_PPCHAMELEON_MODULE_HI */ - - debug ("Probing at 0x%.8x\n", CFG_NAND1_BASE); - totlen += nand_probe (CFG_NAND1_BASE); - - printf ("%3lu MB\n", totlen >>20); -} -#endif -#endif +#endif /* (CONFIG_COMMANDS & CFG_CMD_NAND) */ diff --git a/board/delta/config.mk b/board/delta/config.mk index b269b6e..9564625 100644 --- a/board/delta/config.mk +++ b/board/delta/config.mk @@ -6,4 +6,3 @@ TEXT_BASE = 0xa3008000 # Compile the new NAND code (needed iff #ifdef CONFIG_NEW_NAND_CODE) BOARDLIBS = drivers/nand/libnand.a - diff --git a/board/delta/lowlevel_init.S b/board/delta/lowlevel_init.S index 66e7575..498cf7f 100644 --- a/board/delta/lowlevel_init.S +++ b/board/delta/lowlevel_init.S @@ -16,7 +16,7 @@ * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License @@ -32,33 +32,33 @@ DRAM_SIZE: .long CFG_DRAM_SIZE /* wait for coprocessor write complete */ - .macro CPWAIT reg - mrc p15,0,\reg,c2,c0,0 - mov \reg,\reg - sub pc,pc,#4 - .endm +.macro CPWAIT reg + mrc p15,0,\reg,c2,c0,0 + mov \reg,\reg + sub pc,pc,#4 +.endm .macro wait time - ldr r2, =OSCR - mov r3, #0 - str r3, [r2] + ldr r2, =OSCR + mov r3, #0 + str r3, [r2] 0: - ldr r3, [r2] - cmp r3, \time - bls 0b + ldr r3, [r2] + cmp r3, \time + bls 0b .endm /* - * Memory setup + * Memory setup */ .globl lowlevel_init lowlevel_init: /* Set up GPIO pins first ----------------------------------------- */ - mov r10, lr - - /* Configure GPIO Pins 97, 98 UART1 / altern. Fkt. 1 */ + mov r10, lr + + /* Configure GPIO Pins 97, 98 UART1 / altern. Fkt. 1 */ ldr r0, =GPIO97 ldr r1, =0x801 str r1, [r0] @@ -66,24 +66,24 @@ lowlevel_init: ldr r0, =GPIO98 ldr r1, =0x801 str r1, [r0] - - /* tebrandt - ASCR, clear the RDH bit */ - ldr r0, =ASCR - ldr r1, [r0] - bic r1, r1, #0x80000000 - str r1, [r0] - + + /* tebrandt - ASCR, clear the RDH bit */ + ldr r0, =ASCR + ldr r1, [r0] + bic r1, r1, #0x80000000 + str r1, [r0] + /* ---------------------------------------------------------------- */ - /* Enable memory interface */ + /* Enable memory interface */ /* ---------------------------------------------------------------- */ /* ---------------------------------------------------------------- */ - /* Step 1: Wait for at least 200 microsedonds to allow internal */ - /* clocks to settle. Only necessary after hard reset... */ - /* FIXME: can be optimized later */ + /* Step 1: Wait for at least 200 microsedonds to allow internal */ + /* clocks to settle. Only necessary after hard reset... */ + /* FIXME: can be optimized later */ /* ---------------------------------------------------------------- */ -; wait #300 - +; wait #300 + mem_init: #define NEW_SDRAM_INIT 1 @@ -99,11 +99,11 @@ mem_init: /* 2. Programm MDCNFG, leaving DMCEN de-asserted */ ldr r0, =MDCNFG ldr r1, =(MDCNFG_DMAP | MDCNFG_DTYPE | MDCNFG_DTC_2 | MDCNFG_DCSE0 | MDCNFG_DRAC_13) - /* ldr r1, =0x80000403 */ + /* ldr r1, =0x80000403 */ str r1, [r0] ldr r1, [r0] /* delay until written */ - /* 3. wait nop power up waiting period (200ms) + /* 3. wait nop power up waiting period (200ms) * optimization: Steps 4+6 can be done during this */ wait #300 @@ -127,7 +127,7 @@ mem_init: ldr r1, =0x60000033 str r1, [r0] wait #300 - + /* Configure MDREFR */ ldr r0, =MDREFR ldr r1, =0x00000006 @@ -142,48 +142,48 @@ mem_init: #else /* NEW_SDRAM_INIT */ - + /* configure the MEMCLKCFG register */ - ldr r1, =MEMCLKCFG - ldr r2, =0x00010001 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN - + ldr r1, =MEMCLKCFG + ldr r2, =0x00010001 + str r2, [r1] @ WRITE + ldr r2, [r1] @ DELAY UNTIL WRITTEN + /* set CSADRCFG[0] to data flash SRAM mode */ - ldr r1, =CSADRCFG0 - ldr r2, =0x00320809 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN - + ldr r1, =CSADRCFG0 + ldr r2, =0x00320809 + str r2, [r1] @ WRITE + ldr r2, [r1] @ DELAY UNTIL WRITTEN + /* set CSADRCFG[1] to data flash SRAM mode */ - ldr r1, =CSADRCFG1 - ldr r2, =0x00320809 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN - + ldr r1, =CSADRCFG1 + ldr r2, =0x00320809 + str r2, [r1] @ WRITE + ldr r2, [r1] @ DELAY UNTIL WRITTEN + /* set MSC 0 register for SRAM memory */ - ldr r1, =MSC0 - ldr r2, =0x11191119 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN - + ldr r1, =MSC0 + ldr r2, =0x11191119 + str r2, [r1] @ WRITE + ldr r2, [r1] @ DELAY UNTIL WRITTEN + /* set CSADRCFG[2] to data flash SRAM mode */ - ldr r1, =CSADRCFG2 - ldr r2, =0x00320809 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN - + ldr r1, =CSADRCFG2 + ldr r2, =0x00320809 + str r2, [r1] @ WRITE + ldr r2, [r1] @ DELAY UNTIL WRITTEN + /* set CSADRCFG[3] to VLIO mode */ - ldr r1, =CSADRCFG3 - ldr r2, =0x0032080B - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN + ldr r1, =CSADRCFG3 + ldr r2, =0x0032080B + str r2, [r1] @ WRITE + ldr r2, [r1] @ DELAY UNTIL WRITTEN /* set MSC 1 register for VLIO memory */ - ldr r1, =MSC1 - ldr r2, =0x123C1119 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN + ldr r1, =MSC1 + ldr r2, =0x123C1119 + str r2, [r1] @ WRITE + ldr r2, [r1] @ DELAY UNTIL WRITTEN #if 0 /* This does not work in Zylonite. -SC */ @@ -240,11 +240,11 @@ mem_init: ldr r2, [r1] /* Hardware DDR Read-Strobe Delay Calibration */ - ldr r0, =DDR_HCAL @ DDR_HCAL - ldr r1, =0x803ffc07 @ the offset is correct? -SC - str r1, [r0] + ldr r0, =DDR_HCAL @ DDR_HCAL + ldr r1, =0x803ffc07 @ the offset is correct? -SC + str r1, [r0] wait #5 - ldr r1, [r0] + ldr r1, [r0] /* Here we assume the hardware calibration alwasy be successful. -SC */ /* Set DMCEN bit in MDCNFG Register */ @@ -254,20 +254,20 @@ mem_init: str r1, [r0] #endif /* NEW_SDRAM_INIT */ - + #ifndef CFG_SKIP_DRAM_SCRUB /* scrub/init SDRAM if enabled/present */ ldr r8, =CFG_DRAM_BASE /* base address of SDRAM (CFG_DRAM_BASE) */ ldr r9, =CFG_DRAM_SIZE /* size of memory to scrub (CFG_DRAM_SIZE) */ mov r0, #0 /* scrub with 0x0000:0000 */ mov r1, #0 - mov r2, #0 + mov r2, #0 mov r3, #0 - mov r4, #0 + mov r4, #0 mov r5, #0 - mov r6, #0 + mov r6, #0 mov r7, #0 -10: /* fastScrubLoop */ +10: /* fastScrubLoop */ subs r9, r9, #32 /* 8 words/line */ stmia r8!, {r0-r7} beq 15f @@ -281,25 +281,25 @@ mem_init: /* Disable software and data breakpoints */ mov r0, #0 - mcr p15,0,r0,c14,c8,0 // ibcr0 - mcr p15,0,r0,c14,c9,0 // ibcr1 - mcr p15,0,r0,c14,c4,0 // dbcon + mcr p15,0,r0,c14,c8,0 /* ibcr0 */ + mcr p15,0,r0,c14,c9,0 /* ibcr1 */ + mcr p15,0,r0,c14,c4,0 /* dbcon */ /* Enable all debug functionality */ mov r0,#0x80000000 - mcr p14,0,r0,c10,c0,0 // dcsr + mcr p14,0,r0,c10,c0,0 /* dcsr */ endlowlevel_init: - mov pc, lr + mov pc, lr /* @******************************************************************************** @ DDR calibration -@ +@ @ This function is used to calibrate DQS delay lines. -@ Monahans supports three ways to do it. One is software +@ Monahans supports three ways to do it. One is software @ calibration. Two is hardware calibration. Three is hybrid @ calibration. @ @@ -308,15 +308,15 @@ endlowlevel_init: ddr_calibration: @ Case 1: Write the correct delay value once - @ Configure DDR_SCAL Register - ldr r0, =DDR_SCAL @ DDR_SCAL -q ldr r1, =0xaf2f2f2f - str r1, [r0] - ldr r1, [r0] + @ Configure DDR_SCAL Register + ldr r0, =DDR_SCAL @ DDR_SCAL +q ldr r1, =0xaf2f2f2f + str r1, [r0] + ldr r1, [r0] */ /* @ Case 2: Software Calibration @ Write test pattern to memory - ldr r5, =0x0faf0faf @ Data Pattern + ldr r5, =0x0faf0faf @ Data Pattern ldr r4, =0xa0000000 @ DDR ram str r5, [r4] @@ -328,11 +328,11 @@ ddr_loop1: cmp r1, =0xf ble end_loop mov r3, r1 - mov r0, r1, lsl #30 + mov r0, r1, lsl #30 orr r3, r3, r0 - mov r0, r1, lsl #22 + mov r0, r1, lsl #22 orr r3, r3, r0 - mov r0, r1, lsl #14 + mov r0, r1, lsl #14 orr r3, r3, r0 orr r3, r3, =0x80000000 ldr r2, =DDR_SCAL @@ -346,16 +346,16 @@ ddr_loop2: add r1, r1, =0x1 cmp r1, =0xf ble end_loop - mov r3, r1 - mov r0, r1, lsl #30 - orr r3, r3, r0 - mov r0, r1, lsl #22 - orr r3, r3, r0 - mov r0, r1, lsl #14 - orr r3, r3, r0 - orr r3, r3, =0x80000000 - ldr r2, =DDR_SCAL - str r3, [r2] + mov r3, r1 + mov r0, r1, lsl #30 + orr r3, r3, r0 + mov r0, r1, lsl #22 + orr r3, r3, r0 + mov r0, r1, lsl #14 + orr r3, r3, r0 + orr r3, r3, =0x80000000 + ldr r2, =DDR_SCAL + str r3, [r2] ldr r2, [r4] cmp r2, r5 @@ -364,22 +364,22 @@ ddr_loop2: add r3, r6, r7 lsr r3, r3, =0x1 - mov r0, r1, lsl #30 - orr r3, r3, r0 - mov r0, r1, lsl #22 - orr r3, r3, r0 - mov r0, r1, lsl #14 - orr r3, r3, r0 - orr r3, r3, =0x80000000 - ldr r2, =DDR_SCAL - + mov r0, r1, lsl #30 + orr r3, r3, r0 + mov r0, r1, lsl #22 + orr r3, r3, r0 + mov r0, r1, lsl #14 + orr r3, r3, r0 + orr r3, r3, =0x80000000 + ldr r2, =DDR_SCAL + end_loop: @ Case 3: Hardware Calibratoin - ldr r0, =DDR_HCAL @ DDR_HCAL - ldr r1, =0x803ffc07 @ the offset is correct? -SC - str r1, [r0] + ldr r0, =DDR_HCAL @ DDR_HCAL + ldr r1, =0x803ffc07 @ the offset is correct? -SC + str r1, [r0] wait #5 - ldr r1, [r0] - mov pc, lr + ldr r1, [r0] + mov pc, lr */ diff --git a/board/delta/nand.c b/board/delta/nand.c index 5876727..50def59 100644 --- a/board/delta/nand.c +++ b/board/delta/nand.c @@ -95,7 +95,7 @@ static void dfc_write_buf(struct mtd_info *mtd, const u_char *buf, int len) unsigned long rest = len & 0x3; unsigned long *long_buf; int i; - + DFC_DEBUG2("dfc_write_buf: writing %d bytes starting with 0x%x.\n", len, *((unsigned long*) buf)); if(bytes_multi) { for(i=0; i<bytes_multi; i+=4) { @@ -110,7 +110,7 @@ static void dfc_write_buf(struct mtd_info *mtd, const u_char *buf, int len) } -/* +/* * These functions are quite problematic for the DFC. Luckily they are * not used in the current nand code, except for nand_command, which * we've defined our own anyway. The problem is, that we always need @@ -152,7 +152,7 @@ static void dfc_read_buf(struct mtd_info *mtd, u_char* const buf, int len) *long_buf = NDDB; } } - + /* ...then the rest */ if(rest) { unsigned long rest_data = NDDB; @@ -176,7 +176,7 @@ static u16 dfc_read_word(struct mtd_info *mtd) static unsigned long read_buf = 0; static int bytes_read = -1; -/* +/* * read a byte from NDDB Because we can only read 4 bytes from NDDB at * a time, we buffer the remaining bytes. The buffer is reset when a * new command is sent to the chip. @@ -196,7 +196,7 @@ static u_char dfc_read_byte(struct mtd_info *mtd) if(bytes_read < 0) { read_buf = NDDB; - dummy = NDDB; + dummy = NDDB; bytes_read = 0; } byte = (unsigned char) (read_buf>>(8 * bytes_read++)); @@ -211,7 +211,7 @@ static u_char dfc_read_byte(struct mtd_info *mtd) static unsigned long get_delta(unsigned long start) { unsigned long cur = OSCR; - + if(cur < start) /* OSCR overflowed */ return (cur + (start^0xffffffff)); else @@ -239,14 +239,14 @@ static void dfc_clear_nddb() static unsigned long dfc_wait_event(unsigned long event) { unsigned long ndsr, timeout, start = OSCR; - + if(!event) return 0xff000000; else if(event & (NDSR_CS0_CMDD | NDSR_CS0_BBD)) timeout = CFG_NAND_PROG_ERASE_TO * OSCR_CLK_FREQ; else timeout = CFG_NAND_OTHER_TO * OSCR_CLK_FREQ; - + while(1) { ndsr = NDSR; if(ndsr & event) { @@ -257,7 +257,7 @@ static unsigned long dfc_wait_event(unsigned long event) DFC_DEBUG1("dfc_wait_event: TIMEOUT waiting for event: 0x%x.\n", event); return 0xff000000; } - + } return ndsr; } @@ -271,13 +271,13 @@ static void dfc_new_cmd() while(retry++ <= CFG_NAND_SENDCMD_RETRY) { /* Clear NDSR */ NDSR = 0xFFF; - + /* set NDCR[NDRUN] */ if(!(NDCR & NDCR_ND_RUN)) NDCR |= NDCR_ND_RUN; - + status = dfc_wait_event(NDSR_WRCMDREQ); - + if(status & NDSR_WRCMDREQ) return; @@ -303,7 +303,7 @@ static int dfc_wait(struct mtd_info *mtd, struct nand_chip *this, int state) } else if(state == FL_ERASING) { event = NDSR_CS0_CMDD | NDSR_CS0_BBD; } - + ndsr = dfc_wait_event(event); if((ndsr & NDSR_CS0_BBD) || (ndsr & 0xff000000)) @@ -312,7 +312,7 @@ static int dfc_wait(struct mtd_info *mtd, struct nand_chip *this, int state) } /* cmdfunc send commands to the DFC */ -static void dfc_cmdfunc(struct mtd_info *mtd, unsigned command, +static void dfc_cmdfunc(struct mtd_info *mtd, unsigned command, int column, int page_addr) { /* register struct nand_chip *this = mtd->priv; */ @@ -404,7 +404,7 @@ static void dfc_gpio_init() /* no idea what is done here, see zylonite.c */ GPIO4 = 0x1; - + DF_ALE_WE1 = 0x00000001; DF_ALE_WE2 = 0x00000001; DF_nCS0 = 0x00000001; @@ -464,10 +464,10 @@ void board_nand_init(struct nand_chip *nand) CKENA |= (CKENA_4_NAND | CKENA_9_SMC); #undef CFG_TIMING_TIGHT -#ifndef CFG_TIMING_TIGHT - tCH = MIN(((unsigned long) (NAND_TIMING_tCH * DFC_CLK_PER_US) + 1), +#ifndef CFG_TIMING_TIGHT + tCH = MIN(((unsigned long) (NAND_TIMING_tCH * DFC_CLK_PER_US) + 1), DFC_MAX_tCH); - tCS = MIN(((unsigned long) (NAND_TIMING_tCS * DFC_CLK_PER_US) + 1), + tCS = MIN(((unsigned long) (NAND_TIMING_tCS * DFC_CLK_PER_US) + 1), DFC_MAX_tCS); tWH = MIN(((unsigned long) (NAND_TIMING_tWH * DFC_CLK_PER_US) + 1), DFC_MAX_tWH); @@ -485,9 +485,9 @@ void board_nand_init(struct nand_chip *nand) DFC_MAX_tAR); #else /* this is the tight timing */ - tCH = MIN(((unsigned long) (NAND_TIMING_tCH * DFC_CLK_PER_US)), + tCH = MIN(((unsigned long) (NAND_TIMING_tCH * DFC_CLK_PER_US)), DFC_MAX_tCH); - tCS = MIN(((unsigned long) (NAND_TIMING_tCS * DFC_CLK_PER_US)), + tCS = MIN(((unsigned long) (NAND_TIMING_tCS * DFC_CLK_PER_US)), DFC_MAX_tCS); tWH = MIN(((unsigned long) (NAND_TIMING_tWH * DFC_CLK_PER_US)), DFC_MAX_tWH); @@ -523,13 +523,11 @@ void board_nand_init(struct nand_chip *nand) (tRP_high << 6) | (tRH << 3) | (tRP << 0); - + NDTR1CS0 = (tR << 16) | (tWHR << 4) | (tAR << 0); - - /* If it doesn't work (unlikely) think about: * - ecc enable * - chip select don't care @@ -544,7 +542,7 @@ void board_nand_init(struct nand_chip *nand) * - ND_RDY : clears command buffer */ /* NDCR_NCSX | /\* Chip select busy don't care *\/ */ - + NDCR = (NDCR_SPARE_EN | /* use the spare area */ NDCR_DWIDTH_C | /* 16bit DFC data bus width */ NDCR_DWIDTH_M | /* 16 bit Flash device data bus width */ @@ -557,17 +555,17 @@ void board_nand_init(struct nand_chip *nand) NDCR_CS1_CMDDM | NDCR_CS0_BBDM | /* ND_CSx bad block detect ir masked */ NDCR_CS1_BBDM | - NDCR_DBERRM | /* double bit error ir masked */ + NDCR_DBERRM | /* double bit error ir masked */ NDCR_SBERRM | /* single bit error ir masked */ NDCR_WRDREQM | /* write data request ir masked */ NDCR_RDDREQM | /* read data request ir masked */ NDCR_WRCMDREQM); /* write command request ir masked */ - + /* wait 10 us due to cmd buffer clear reset */ /* wait(10); */ - - + + nand->hwcontrol = dfc_hwcontrol; /* nand->dev_ready = dfc_device_ready; */ nand->eccmode = NAND_ECC_SOFT; diff --git a/board/esd/ash405/ash405.c b/board/esd/ash405/ash405.c index 03ae7fd..84fc3a0 100644 --- a/board/esd/ash405/ash405.c +++ b/board/esd/ash405/ash405.c @@ -239,7 +239,7 @@ int testdram (void) /* ------------------------------------------------------------------------- */ #if (CONFIG_COMMANDS & CFG_CMD_NAND) -#include <linux/mtd/nand.h> +#include <linux/mtd/nand_legacy.h> extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE]; void nand_init(void) diff --git a/board/esd/ash405/config.mk b/board/esd/ash405/config.mk index 1d743a9..3cf5dd8 100644 --- a/board/esd/ash405/config.mk +++ b/board/esd/ash405/config.mk @@ -26,3 +26,6 @@ # TEXT_BASE = 0xFFFC0000 + +# Compile the legacy NAND code (CFG_NAND_LEGACY must be defined) +BOARDLIBS = drivers/nand_legacy/libnand_legacy.a diff --git a/board/esd/cms700/cms700.c b/board/esd/cms700/cms700.c index e4cfe14..e283a92 100644 --- a/board/esd/cms700/cms700.c +++ b/board/esd/cms700/cms700.c @@ -238,7 +238,7 @@ U_BOOT_CMD(eepwren, 2, 0, do_eep_wren, /* ------------------------------------------------------------------------- */ #if (CONFIG_COMMANDS & CFG_CMD_NAND) -#include <linux/mtd/nand.h> +#include <linux/mtd/nand_legacy.h> extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE]; void nand_init(void) diff --git a/board/esd/cms700/config.mk b/board/esd/cms700/config.mk index 5c3c01c..0c56c40 100644 --- a/board/esd/cms700/config.mk +++ b/board/esd/cms700/config.mk @@ -26,3 +26,6 @@ # TEXT_BASE = 0xFFFC0000 + +# Compile the legacy NAND code (CFG_NAND_LEGACY must be defined) +BOARDLIBS = drivers/nand_legacy/libnand_legacy.a diff --git a/board/esd/common/auto_update.c b/board/esd/common/auto_update.c index 1decc0e..cad8211 100644 --- a/board/esd/common/auto_update.c +++ b/board/esd/common/auto_update.c @@ -23,10 +23,15 @@ */ #include <common.h> + +#ifndef CFG_NAND_LEGACY +#error CFG_NAND_LEGACY not defined in a file using the legacy NAND support! +#endif + #include <command.h> #include <image.h> #include <asm/byteorder.h> -#include <linux/mtd/nand.h> +#include <linux/mtd/nand_legacy.h> #include <fat.h> #include "auto_update.h" @@ -76,9 +81,9 @@ extern block_dev_desc_t *get_dev (char*, int); #define NANDRW_JFFS2 0x02 #define NANDRW_JFFS2_SKIP 0x04 extern struct nand_chip nand_dev_desc[]; -extern int nand_rw(struct nand_chip* nand, int cmd, size_t start, size_t len, +extern int nand_legacy_rw(struct nand_chip* nand, int cmd, size_t start, size_t len, size_t * retlen, u_char * buf); -extern int nand_erase(struct nand_chip* nand, size_t ofs, size_t len, int clean); +extern int nand_legacy_erase(struct nand_chip* nand, size_t ofs, size_t len, int clean); #endif /* (CONFIG_COMMANDS & CFG_CMD_NAND) */ extern block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE]; @@ -259,9 +264,9 @@ int au_do_update(int i, long sz) } else { #if (CONFIG_COMMANDS & CFG_CMD_NAND) printf("Updating NAND FLASH with image %s\n", au_image[i].name); - debug ("nand_erase(%lx, %lx);\n", start, end); - rc = nand_erase (nand_dev_desc, start, end - start + 1, 0); - debug ("nand_erase returned %x\n", rc); + debug ("nand_legacy_erase(%lx, %lx);\n", start, end); + rc = nand_legacy_erase (nand_dev_desc, start, end - start + 1, 0); + debug ("nand_legacy_erase returned %x\n", rc); #endif } @@ -286,10 +291,10 @@ int au_do_update(int i, long sz) rc = flash_write((char *)addr, start, nbytes); } else { #if (CONFIG_COMMANDS & CFG_CMD_NAND) - debug ("nand_rw(%p, %lx %x)\n", addr, start, nbytes); - rc = nand_rw(nand_dev_desc, NANDRW_WRITE | NANDRW_JFFS2, + debug ("nand_legacy_rw(%p, %lx %x)\n", addr, start, nbytes); + rc = nand_legacy_rw(nand_dev_desc, NANDRW_WRITE | NANDRW_JFFS2, start, nbytes, (size_t *)&total, (uchar *)addr); - debug ("nand_rw: ret=%x total=%d nbytes=%d\n", rc, total, nbytes); + debug ("nand_legacy_rw: ret=%x total=%d nbytes=%d\n", rc, total, nbytes); #endif } if (rc != 0) { @@ -304,7 +309,7 @@ int au_do_update(int i, long sz) rc = crc32 (0, (uchar *)(start + off), ntohl(hdr->ih_size)); } else { #if (CONFIG_COMMANDS & CFG_CMD_NAND) - rc = nand_rw(nand_dev_desc, NANDRW_READ | NANDRW_JFFS2 | NANDRW_JFFS2_SKIP, + rc = nand_legacy_rw(nand_dev_desc, NANDRW_READ | NANDRW_JFFS2 | NANDRW_JFFS2_SKIP, start, nbytes, (size_t *)&total, (uchar *)addr); rc = crc32 (0, (uchar *)(addr + off), ntohl(hdr->ih_size)); #endif diff --git a/board/esd/common/cmd_loadpci.c b/board/esd/common/cmd_loadpci.c index 3478f82..bf796ff 100644 --- a/board/esd/common/cmd_loadpci.c +++ b/board/esd/common/cmd_loadpci.c @@ -120,4 +120,3 @@ U_BOOT_CMD( ); #endif - diff --git a/board/esd/cpci2dp/cpci2dp.c b/board/esd/cpci2dp/cpci2dp.c index 2800420..1a27ca0 100644 --- a/board/esd/cpci2dp/cpci2dp.c +++ b/board/esd/cpci2dp/cpci2dp.c @@ -36,9 +36,9 @@ int board_early_init_f (void) cntrl0Reg = mfdcr(cntrl0); mtdcr(cntrl0, cntrl0Reg | ((CFG_EEPROM_WP | CFG_PB_LED | CFG_SELF_RST | CFG_INTA_FAKE) << 5)); - /* set output pins to high */ + /* set output pins to high */ out32(GPIO0_OR, CFG_EEPROM_WP); - /* setup for output (LED=off) */ + /* setup for output (LED=off) */ out32(GPIO0_TCR, CFG_EEPROM_WP | CFG_PB_LED); /* diff --git a/board/esd/cpci405/config.mk b/board/esd/cpci405/config.mk index 0be45c7..ceff4c4 100644 --- a/board/esd/cpci405/config.mk +++ b/board/esd/cpci405/config.mk @@ -38,3 +38,6 @@ TEXT_BASE = 0xFFFD0000 endif endif endif + +# Compile the legacy NAND code (CFG_NAND_LEGACY must be defined) +BOARDLIBS = drivers/nand_legacy/libnand_legacy.a diff --git a/board/esd/cpci750/cpci750.c b/board/esd/cpci750/cpci750.c index fd0f904..dbed597 100644 --- a/board/esd/cpci750/cpci750.c +++ b/board/esd/cpci750/cpci750.c @@ -378,7 +378,6 @@ int misc_init_r () CFG_MONITOR_BASE, CFG_MONITOR_BASE + monitor_flash_len - 1, &flash_info[3]); - } return 0; } diff --git a/board/esd/cpci750/pci.c b/board/esd/cpci750/pci.c index 37c7150..c335ebf 100644 --- a/board/esd/cpci750/pci.c +++ b/board/esd/cpci750/pci.c @@ -12,7 +12,7 @@ * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License @@ -46,8 +46,8 @@ static const unsigned char pci_irq_swizzle[2][PCI_MAX_DEVICES] = { #ifdef CONFIG_USE_CPCIDVI typedef struct { - unsigned int base; - unsigned int init; + unsigned int base; + unsigned int init; } GT_CPCIDVI_ROM_T; static GT_CPCIDVI_ROM_T gt_cpcidvi_rom = {0, 0}; @@ -133,20 +133,20 @@ static const unsigned int pci_p2p_configuration[] = { /******************************************************************** * pciWriteConfigReg - Write to a PCI configuration register -* - Make sure the GT is configured as a master before writing -* to another device on the PCI. -* - The function takes care of Big/Little endian conversion. +* - Make sure the GT is configured as a master before writing +* to another device on the PCI. +* - The function takes care of Big/Little endian conversion. * * * Inputs: unsigned int regOffset: The register offset as it apears in the GT spec -* (or any other PCI device spec) -* pciDevNum: The device number needs to be addressed. +* (or any other PCI device spec) +* pciDevNum: The device number needs to be addressed. * * Configuration Address 0xCF8: * -* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number +* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number * |congif|Reserved| Bus |Device|Function|Register|00| -* |Enable| |Number|Number| Number | Number | | <=field Name +* |Enable| |Number|Number| Number | Number | | <=field Name * *********************************************************************/ void pciWriteConfigReg (PCI_HOST host, unsigned int regOffset, @@ -180,20 +180,20 @@ void pciWriteConfigReg (PCI_HOST host, unsigned int regOffset, /******************************************************************** * pciReadConfigReg - Read from a PCI0 configuration register -* - Make sure the GT is configured as a master before reading -* from another device on the PCI. -* - The function takes care of Big/Little endian conversion. +* - Make sure the GT is configured as a master before reading +* from another device on the PCI. +* - The function takes care of Big/Little endian conversion. * INPUTS: regOffset: The register offset as it apears in the GT spec (or PCI -* spec) -* pciDevNum: The device number needs to be addressed. +* spec) +* pciDevNum: The device number needs to be addressed. * RETURNS: data , if the data == 0xffffffff check the master abort bit in the -* cause register to make sure the data is valid +* cause register to make sure the data is valid * * Configuration Address 0xCF8: * -* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number +* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number * |congif|Reserved| Bus |Device|Function|Register|00| -* |Enable| |Number|Number| Number | Number | | <=field Name +* |Enable| |Number|Number| Number | Number | | <=field Name * *********************************************************************/ unsigned int pciReadConfigReg (PCI_HOST host, unsigned int regOffset, @@ -228,21 +228,21 @@ unsigned int pciReadConfigReg (PCI_HOST host, unsigned int regOffset, /******************************************************************** * pciOverBridgeWriteConfigReg - Write to a PCI configuration register where -* the agent is placed on another Bus. For more -* information read P2P in the PCI spec. +* the agent is placed on another Bus. For more +* information read P2P in the PCI spec. * * Inputs: unsigned int regOffset - The register offset as it apears in the -* GT spec (or any other PCI device spec). -* unsigned int pciDevNum - The device number needs to be addressed. -* unsigned int busNum - On which bus does the Target agent connect -* to. -* unsigned int data - data to be written. +* GT spec (or any other PCI device spec). +* unsigned int pciDevNum - The device number needs to be addressed. +* unsigned int busNum - On which bus does the Target agent connect +* to. +* unsigned int data - data to be written. * * Configuration Address 0xCF8: * -* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number +* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number * |congif|Reserved| Bus |Device|Function|Register|01| -* |Enable| |Number|Number| Number | Number | | <=field Name +* |Enable| |Number|Number| Number | Number | | <=field Name * * The configuration Address is configure as type-I (bits[1:0] = '01') due to * PCI spec referring to P2P. @@ -273,23 +273,23 @@ void pciOverBridgeWriteConfigReg (PCI_HOST host, /******************************************************************** * pciOverBridgeReadConfigReg - Read from a PCIn configuration register where -* the agent target locate on another PCI bus. -* - Make sure the GT is configured as a master -* before reading from another device on the PCI. -* - The function takes care of Big/Little endian -* conversion. +* the agent target locate on another PCI bus. +* - Make sure the GT is configured as a master +* before reading from another device on the PCI. +* - The function takes care of Big/Little endian +* conversion. * INPUTS: regOffset: The register offset as it apears in the GT spec (or PCI -* spec). (configuration register offset.) -* pciDevNum: The device number needs to be addressed. -* busNum: the Bus number where the agent is place. +* spec). (configuration register offset.) +* pciDevNum: The device number needs to be addressed. +* busNum: the Bus number where the agent is place. * RETURNS: data , if the data == 0xffffffff check the master abort bit in the -* cause register to make sure the data is valid +* cause register to make sure the data is valid * * Configuration Address 0xCF8: * -* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number +* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number * |congif|Reserved| Bus |Device|Function|Register|01| -* |Enable| |Number|Number| Number | Number | | <=field Name +* |Enable| |Number|Number| Number | Number | | <=field Name * *********************************************************************/ unsigned int pciOverBridgeReadConfigReg (PCI_HOST host, @@ -393,7 +393,7 @@ static unsigned int pciGetRemapOffset (PCI_HOST host, PCI_REGION region) /******************************************************************** * pciGetBaseAddress - Gets the base address of a PCI. -* - If the PCI size is 0 then this base address has no meaning!!! +* - If the PCI size is 0 then this base address has no meaning!!! * * * INPUT: Bus, Region - The bus and region we ask for its base address. @@ -501,13 +501,13 @@ void pciMapMemoryBank (PCI_HOST host, MEMORY_BANK bank, /******************************************************************** * pciSetRegionFeatures - This function modifys one of the 8 regions with -* feature bits given as an input. -* - Be advised to check the spec before modifying them. +* feature bits given as an input. +* - Be advised to check the spec before modifying them. * Inputs: PCI_PROTECT_REGION region - one of the eight regions. -* unsigned int features - See file: pci.h there are defintion for those -* region features. -* unsigned int baseAddress - The region base Address. -* unsigned int topAddress - The region top Address. +* unsigned int features - See file: pci.h there are defintion for those +* region features. +* unsigned int baseAddress - The region base Address. +* unsigned int topAddress - The region top Address. * Returns: false if one of the parameters is erroneous true otherwise. *********************************************************************/ bool pciSetRegionFeatures (PCI_HOST host, PCI_ACCESS_REGIONS region, @@ -541,7 +541,7 @@ bool pciSetRegionFeatures (PCI_HOST host, PCI_ACCESS_REGIONS region, /******************************************************************** * pciDisableAccessRegion - Disable The given Region by writing MAX size -* to its low Address and MIN size to its high Address. +* to its low Address and MIN size to its high Address. * * Inputs: PCI_ACCESS_REGIONS region - The region we to be Disabled. * Returns: N/A. @@ -588,12 +588,12 @@ bool pciArbiterDisable (PCI_HOST host) * pciSetArbiterAgentsPriority - Priority setup for the PCI agents (Hi or Low) * * Inputs: PCI_AGENT_PRIO internalAgent - priotity for internal agent. -* PCI_AGENT_PRIO externalAgent0 - priotity for external#0 agent. -* PCI_AGENT_PRIO externalAgent1 - priotity for external#1 agent. -* PCI_AGENT_PRIO externalAgent2 - priotity for external#2 agent. -* PCI_AGENT_PRIO externalAgent3 - priotity for external#3 agent. -* PCI_AGENT_PRIO externalAgent4 - priotity for external#4 agent. -* PCI_AGENT_PRIO externalAgent5 - priotity for external#5 agent. +* PCI_AGENT_PRIO externalAgent0 - priotity for external#0 agent. +* PCI_AGENT_PRIO externalAgent1 - priotity for external#1 agent. +* PCI_AGENT_PRIO externalAgent2 - priotity for external#2 agent. +* PCI_AGENT_PRIO externalAgent3 - priotity for external#3 agent. +* PCI_AGENT_PRIO externalAgent4 - priotity for external#4 agent. +* PCI_AGENT_PRIO externalAgent5 - priotity for external#5 agent. * Returns: true *********************************************************************/ bool pciSetArbiterAgentsPriority (PCI_HOST host, PCI_AGENT_PRIO internalAgent, @@ -619,17 +619,17 @@ bool pciSetArbiterAgentsPriority (PCI_HOST host, PCI_AGENT_PRIO internalAgent, /******************************************************************** * pciParkingDisable - Park on last option disable, with this function you can -* disable the park on last mechanism for each agent. -* disabling this option for all agents results parking -* on the internal master. +* disable the park on last mechanism for each agent. +* disabling this option for all agents results parking +* on the internal master. * * Inputs: PCI_AGENT_PARK internalAgent - parking Disable for internal agent. -* PCI_AGENT_PARK externalAgent0 - parking Disable for external#0 agent. -* PCI_AGENT_PARK externalAgent1 - parking Disable for external#1 agent. -* PCI_AGENT_PARK externalAgent2 - parking Disable for external#2 agent. -* PCI_AGENT_PARK externalAgent3 - parking Disable for external#3 agent. -* PCI_AGENT_PARK externalAgent4 - parking Disable for external#4 agent. -* PCI_AGENT_PARK externalAgent5 - parking Disable for external#5 agent. +* PCI_AGENT_PARK externalAgent0 - parking Disable for external#0 agent. +* PCI_AGENT_PARK externalAgent1 - parking Disable for external#1 agent. +* PCI_AGENT_PARK externalAgent2 - parking Disable for external#2 agent. +* PCI_AGENT_PARK externalAgent3 - parking Disable for external#3 agent. +* PCI_AGENT_PARK externalAgent4 - parking Disable for external#4 agent. +* PCI_AGENT_PARK externalAgent5 - parking Disable for external#5 agent. * Returns: true *********************************************************************/ bool pciParkingDisable (PCI_HOST host, PCI_AGENT_PARK internalAgent, @@ -655,11 +655,11 @@ bool pciParkingDisable (PCI_HOST host, PCI_AGENT_PARK internalAgent, /******************************************************************** * pciEnableBrokenAgentDetection - A master is said to be broken if it fails to -* respond to grant assertion within a window specified in -* the input value: 'brokenValue'. +* respond to grant assertion within a window specified in +* the input value: 'brokenValue'. * * Inputs: unsigned char brokenValue - A value which limits the Master to hold the -* grant without asserting frame. +* grant without asserting frame. * Returns: Error for illegal broken value otherwise true. *********************************************************************/ bool pciEnableBrokenAgentDetection (PCI_HOST host, unsigned char brokenValue) @@ -678,9 +678,9 @@ bool pciEnableBrokenAgentDetection (PCI_HOST host, unsigned char brokenValue) /******************************************************************** * pciDisableBrokenAgentDetection - This function disable the Broken agent -* Detection mechanism. -* NOTE: This operation may cause a dead lock on the -* pci0 arbitration. +* Detection mechanism. +* NOTE: This operation may cause a dead lock on the +* pci0 arbitration. * * Inputs: N/A * Returns: true. @@ -697,15 +697,15 @@ bool pciDisableBrokenAgentDetection (PCI_HOST host) /******************************************************************** * pciP2PConfig - This function set the PCI_n P2P configurate. -* For more information on the P2P read PCI spec. +* For more information on the P2P read PCI spec. * * Inputs: unsigned int SecondBusLow - Secondery PCI interface Bus Range Lower -* Boundry. -* unsigned int SecondBusHigh - Secondry PCI interface Bus Range upper -* Boundry. -* unsigned int busNum - The CPI bus number to which the PCI interface -* is connected. -* unsigned int devNum - The PCI interface's device number. +* Boundry. +* unsigned int SecondBusHigh - Secondry PCI interface Bus Range upper +* Boundry. +* unsigned int busNum - The CPI bus number to which the PCI interface +* is connected. +* unsigned int devNum - The PCI interface's device number. * * Returns: true. *********************************************************************/ @@ -723,15 +723,15 @@ bool pciP2PConfig (PCI_HOST host, unsigned int SecondBusLow, /******************************************************************** * pciSetRegionSnoopMode - This function modifys one of the 4 regions which -* supports Cache Coherency in the PCI_n interface. +* supports Cache Coherency in the PCI_n interface. * Inputs: region - One of the four regions. -* snoopType - There is four optional Types: -* 1. No Snoop. -* 2. Snoop to WT region. -* 3. Snoop to WB region. -* 4. Snoop & Invalidate to WB region. -* baseAddress - Base Address of this region. -* regionLength - Region length. +* snoopType - There is four optional Types: +* 1. No Snoop. +* 2. Snoop to WT region. +* 3. Snoop to WB region. +* 4. Snoop & Invalidate to WB region. +* baseAddress - Base Address of this region. +* regionLength - Region length. * Returns: false if one of the parameters is wrong otherwise return true. *********************************************************************/ bool pciSetRegionSnoopMode (PCI_HOST host, PCI_SNOOP_REGION region, @@ -754,7 +754,7 @@ bool pciSetRegionSnoopMode (PCI_HOST host, PCI_SNOOP_REGION region, GT_REG_WRITE (snoopXtopAddress, 0); return true; } - baseAddress = baseAddress & 0xfff00000; /* Granularity of 1MByte */ + baseAddress = baseAddress & 0xfff00000; /* Granularity of 1MByte */ data = (baseAddress >> 20) | snoopType << 12; GT_REG_WRITE (snoopXbaseAddress, data); snoopHigh = (snoopHigh & 0xfff00000) >> 20; @@ -827,7 +827,7 @@ static void gt_setup_ide (struct pci_controller *hose, static void gt_setup_cpcidvi (struct pci_controller *hose, pci_dev_t dev, struct pci_config_table *entry) { - u32 bar_value, pci_response; + u32 bar_value, pci_response; pci_hose_read_config_dword (hose, dev, PCI_COMMAND, &pci_response); pci_hose_write_config_dword (hose, dev, PCI_BASE_ADDRESS_0, 0xffffffff); @@ -843,30 +843,30 @@ static void gt_setup_cpcidvi (struct pci_controller *hose, unsigned char gt_cpcidvi_in8(unsigned int offset) { - unsigned char data; + unsigned char data; if (gt_cpcidvi_rom.init == 0) { - return(0); - } - data = in8((offset & 0x04) + 0x3f000 + gt_cpcidvi_rom.base); - return(data); + return(0); + } + data = in8((offset & 0x04) + 0x3f000 + gt_cpcidvi_rom.base); + return(data); } void gt_cpcidvi_out8(unsigned int offset, unsigned char data) { - unsigned int off; - + unsigned int off; + if (gt_cpcidvi_rom.init == 0) { - return; - } + return; + } off = data; off = ((off << 3) & 0x7f8) + (offset & 0x4) + 0x3e000 + gt_cpcidvi_rom.base; - in8(off); - return; + in8(off); + return; } #endif -/* TODO BJW: Change this for DB64360. This was pulled from the EV64260 */ +/* TODO BJW: Change this for DB64360. This was pulled from the EV64260 */ /* and is curently not called *. */ #if 0 static void gt_fixup_irq (struct pci_controller *hose, pci_dev_t dev) diff --git a/board/esd/hh405/config.mk b/board/esd/hh405/config.mk index 7129ad5..798a3fa 100644 --- a/board/esd/hh405/config.mk +++ b/board/esd/hh405/config.mk @@ -29,3 +29,6 @@ TEXT_BASE = 0xFFF80000 #TEXT_BASE = 0xFFFC0000 #TEXT_BASE = 0x00FC0000 + +# Compile the legacy NAND code (CFG_NAND_LEGACY must be defined) +BOARDLIBS = drivers/nand_legacy/libnand_legacy.a diff --git a/board/esd/hh405/hh405.c b/board/esd/hh405/hh405.c index 958af8f..99fd556 100644 --- a/board/esd/hh405/hh405.c +++ b/board/esd/hh405/hh405.c @@ -697,7 +697,7 @@ void ide_set_reset(int on) #if (CONFIG_COMMANDS & CFG_CMD_NAND) -#include <linux/mtd/nand.h> +#include <linux/mtd/nand_legacy.h> extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE]; void nand_init(void) diff --git a/board/esd/hub405/config.mk b/board/esd/hub405/config.mk index a6d31aa..4c60c35 100644 --- a/board/esd/hub405/config.mk +++ b/board/esd/hub405/config.mk @@ -26,3 +26,6 @@ # TEXT_BASE = 0xFFFC0000 + +# Compile the legacy NAND code (CFG_NAND_LEGACY must be defined) +BOARDLIBS = drivers/nand_legacy/libnand_legacy.a diff --git a/board/esd/hub405/hub405.c b/board/esd/hub405/hub405.c index e77dba8..0c6771f 100644 --- a/board/esd/hub405/hub405.c +++ b/board/esd/hub405/hub405.c @@ -265,7 +265,7 @@ int testdram (void) #if (CONFIG_COMMANDS & CFG_CMD_NAND) -#include <linux/mtd/nand.h> +#include <linux/mtd/nand_legacy.h> extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE]; void nand_init(void) diff --git a/board/esd/plu405/config.mk b/board/esd/plu405/config.mk index 25b2105..916b285 100644 --- a/board/esd/plu405/config.mk +++ b/board/esd/plu405/config.mk @@ -27,3 +27,6 @@ TEXT_BASE = 0xFFFC0000 #TEXT_BASE = 0x00FC0000 + +# Compile the legacy NAND code (CFG_NAND_LEGACY must be defined) +BOARDLIBS = drivers/nand_legacy/libnand_legacy.a diff --git a/board/esd/plu405/plu405.c b/board/esd/plu405/plu405.c index 5b9d063..37b92fb 100644 --- a/board/esd/plu405/plu405.c +++ b/board/esd/plu405/plu405.c @@ -269,7 +269,7 @@ void ide_set_reset(int on) #if (CONFIG_COMMANDS & CFG_CMD_NAND) -#include <linux/mtd/nand.h> +#include <linux/mtd/nand_legacy.h> extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE]; void nand_init(void) diff --git a/board/esd/voh405/config.mk b/board/esd/voh405/config.mk index 219a4eb..72e8103 100644 --- a/board/esd/voh405/config.mk +++ b/board/esd/voh405/config.mk @@ -26,3 +26,6 @@ # TEXT_BASE = 0xFFF80000 + +# Compile the legacy NAND code (CFG_NAND_LEGACY must be defined) +BOARDLIBS = drivers/nand_legacy/libnand_legacy.a diff --git a/board/esd/voh405/voh405.c b/board/esd/voh405/voh405.c index eda3fd9..22995b5 100644 --- a/board/esd/voh405/voh405.c +++ b/board/esd/voh405/voh405.c @@ -343,7 +343,7 @@ void ide_set_reset(int on) #if (CONFIG_COMMANDS & CFG_CMD_NAND) -#include <linux/mtd/nand.h> +#include <linux/mtd/nand_legacy.h> extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE]; void nand_init(void) diff --git a/board/esd/wuh405/config.mk b/board/esd/wuh405/config.mk index 1d743a9..3cf5dd8 100644 --- a/board/esd/wuh405/config.mk +++ b/board/esd/wuh405/config.mk @@ -26,3 +26,6 @@ # TEXT_BASE = 0xFFFC0000 + +# Compile the legacy NAND code (CFG_NAND_LEGACY must be defined) +BOARDLIBS = drivers/nand_legacy/libnand_legacy.a diff --git a/board/esd/wuh405/wuh405.c b/board/esd/wuh405/wuh405.c index db24122..5a1a3f3 100644 --- a/board/esd/wuh405/wuh405.c +++ b/board/esd/wuh405/wuh405.c @@ -239,7 +239,7 @@ int testdram (void) /* ------------------------------------------------------------------------- */ #if (CONFIG_COMMANDS & CFG_CMD_NAND) -#include <linux/mtd/nand.h> +#include <linux/mtd/nand_legacy.h> extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE]; void nand_init(void) diff --git a/board/g2000/g2000.c b/board/g2000/g2000.c index 3f78753..39b5c70 100644 --- a/board/g2000/g2000.c +++ b/board/g2000/g2000.c @@ -185,7 +185,7 @@ int testdram (void) #if (CONFIG_COMMANDS & CFG_CMD_NAND) -#include <linux/mtd/nand.h> +#include <linux/mtd/nand_legacy.h> extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE]; void nand_init(void) diff --git a/board/mcc200/Makefile b/board/mcc200/Makefile new file mode 100644 index 0000000..7fdc088 --- /dev/null +++ b/board/mcc200/Makefile @@ -0,0 +1,46 @@ +# +# (C) Copyright 2003-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = lib$(BOARD).a + +OBJS := $(BOARD).o + +$(LIB): $(OBJS) $(SOBJS) + $(AR) crv $@ $(OBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c) + $(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ + +-include .depend + +######################################################################### diff --git a/board/mcc200/config.mk b/board/mcc200/config.mk new file mode 100644 index 0000000..fa55673 --- /dev/null +++ b/board/mcc200/config.mk @@ -0,0 +1,43 @@ +# +# (C) Copyright 2003-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +# +# MCC200 board: +# +# Valid values for TEXT_BASE are: +# +# 0xFFF00000 boot high (standard configuration) +# 0xFE000000 boot low +# 0x00100000 boot from RAM (for testing only) +# + +sinclude $(TOPDIR)/board/$(BOARDDIR)/config.tmp + +ifndef TEXT_BASE +## Standard: boot high +TEXT_BASE = 0xFFF00000 +## For testing: boot from RAM +# TEXT_BASE = 0x00100000 +endif + +PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -I$(TOPDIR)/board diff --git a/board/mcc200/mcc200.c b/board/mcc200/mcc200.c new file mode 100644 index 0000000..d1c99fd --- /dev/null +++ b/board/mcc200/mcc200.c @@ -0,0 +1,276 @@ +/* + * (C) Copyright 2003-2006 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2004 + * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <mpc5xxx.h> +#include <pci.h> + +#include "mt48lc8m32b2-6-7.h" + +extern flash_info_t flash_info[]; /* FLASH chips info */ + +ulong flash_get_size (ulong base, int banknum); + +#ifndef CFG_RAMBOOT +static void sdram_start (int hi_addr) +{ + long hi_addr_bit = hi_addr ? 0x01000000 : 0; + + /* unlock mode register */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000000 | hi_addr_bit; + __asm__ volatile ("sync"); + + /* precharge all banks */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 | hi_addr_bit; + __asm__ volatile ("sync"); + +#if SDRAM_DDR + /* set mode register: extended mode */ + *(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_EMODE; + __asm__ volatile ("sync"); + + /* set mode register: reset DLL */ + *(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_MODE | 0x04000000; + __asm__ volatile ("sync"); +#endif + + /* precharge all banks */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 | hi_addr_bit; + __asm__ volatile ("sync"); + + /* auto refresh */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000004 | hi_addr_bit; + __asm__ volatile ("sync"); + + /* set mode register */ + *(vu_long *)MPC5XXX_SDRAM_MODE = SDRAM_MODE; + __asm__ volatile ("sync"); + + /* normal operation */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | hi_addr_bit; + __asm__ volatile ("sync"); +} +#endif + +/* + * ATTENTION: Although partially referenced initdram does NOT make real use + * use of CFG_SDRAM_BASE. The code does not work if CFG_SDRAM_BASE + * is something else than 0x00000000. + */ + +long int initdram (int board_type) +{ + ulong dramsize = 0; + ulong dramsize2 = 0; +#ifndef CFG_RAMBOOT + ulong test1, test2; + + /* setup SDRAM chip selects */ + *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x0000001e;/* 2G at 0x0 */ + *(vu_long *)MPC5XXX_SDRAM_CS1CFG = 0x80000000;/* disabled */ + __asm__ volatile ("sync"); + + /* setup config registers */ + *(vu_long *)MPC5XXX_SDRAM_CONFIG1 = SDRAM_CONFIG1; + *(vu_long *)MPC5XXX_SDRAM_CONFIG2 = SDRAM_CONFIG2; + __asm__ volatile ("sync"); + +#if SDRAM_DDR + /* set tap delay */ + *(vu_long *)MPC5XXX_CDM_PORCFG = SDRAM_TAPDELAY; + __asm__ volatile ("sync"); +#endif + + /* find RAM size using SDRAM CS0 only */ + sdram_start(0); + test1 = get_ram_size((long *)CFG_SDRAM_BASE, 0x80000000); + sdram_start(1); + test2 = get_ram_size((long *)CFG_SDRAM_BASE, 0x80000000); + if (test1 > test2) { + sdram_start(0); + dramsize = test1; + } else { + dramsize = test2; + } + + /* memory smaller than 1MB is impossible */ + if (dramsize < (1 << 20)) { + dramsize = 0; + } + + /* set SDRAM CS0 size according to the amount of RAM found */ + if (dramsize > 0) { + *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x13 + __builtin_ffs(dramsize >> 20) - 1; + } else { + *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0; /* disabled */ + } + + /* let SDRAM CS1 start right after CS0 */ + *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize + 0x0000001e;/* 2G */ + + /* find RAM size using SDRAM CS1 only */ + if (!dramsize) + sdram_start(0); + test2 = test1 = get_ram_size((long *)(CFG_SDRAM_BASE + dramsize), 0x80000000); + if (!dramsize) { + sdram_start(1); + test2 = get_ram_size((long *)(CFG_SDRAM_BASE + dramsize), 0x80000000); + } + if (test1 > test2) { + sdram_start(0); + dramsize2 = test1; + } else { + dramsize2 = test2; + } + + /* memory smaller than 1MB is impossible */ + if (dramsize2 < (1 << 20)) { + dramsize2 = 0; + } + + /* set SDRAM CS1 size according to the amount of RAM found */ + if (dramsize2 > 0) { + *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize + | (0x13 + __builtin_ffs(dramsize2 >> 20) - 1); + } else { + *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize; /* disabled */ + } + +#else /* CFG_RAMBOOT */ + + /* retrieve size of memory connected to SDRAM CS0 */ + dramsize = *(vu_long *)MPC5XXX_SDRAM_CS0CFG & 0xFF; + if (dramsize >= 0x13) { + dramsize = (1 << (dramsize - 0x13)) << 20; + } else { + dramsize = 0; + } + + /* retrieve size of memory connected to SDRAM CS1 */ + dramsize2 = *(vu_long *)MPC5XXX_SDRAM_CS1CFG & 0xFF; + if (dramsize2 >= 0x13) { + dramsize2 = (1 << (dramsize2 - 0x13)) << 20; + } else { + dramsize2 = 0; + } + +#endif /* CFG_RAMBOOT */ + + return dramsize + dramsize2; +} + +int checkboard (void) +{ + puts ("Board: MCC200\n"); + return 0; +} + +int misc_init_r (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + /* + * Adjust flash start and offset to detected values + */ + gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize; + gd->bd->bi_flashoffset = 0; + + /* + * Check if boot FLASH isn't max size + */ + if (gd->bd->bi_flashsize < (0 - CFG_FLASH_BASE)) { + /* adjust mapping */ + *(vu_long *)MPC5XXX_BOOTCS_START = *(vu_long *)MPC5XXX_CS0_START = + START_REG(gd->bd->bi_flashstart); + *(vu_long *)MPC5XXX_BOOTCS_STOP = *(vu_long *)MPC5XXX_CS0_STOP = + STOP_REG(gd->bd->bi_flashstart, gd->bd->bi_flashsize); + + /* + * Re-check to get correct base address + */ + flash_get_size(gd->bd->bi_flashstart, CFG_MAX_FLASH_BANKS - 1); + + /* + * Re-do flash protection upon new addresses + */ + flash_protect (FLAG_PROTECT_CLEAR, + gd->bd->bi_flashstart, 0xffffffff, + &flash_info[CFG_MAX_FLASH_BANKS - 1]); + + /* Monitor protection ON by default */ + flash_protect (FLAG_PROTECT_SET, + CFG_MONITOR_BASE, CFG_MONITOR_BASE + monitor_flash_len - 1, + &flash_info[CFG_MAX_FLASH_BANKS - 1]); + + /* Environment protection ON by default */ + flash_protect (FLAG_PROTECT_SET, + CFG_ENV_ADDR, + CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1, + &flash_info[CFG_MAX_FLASH_BANKS - 1]); + + /* Redundant environment protection ON by default */ + flash_protect (FLAG_PROTECT_SET, + CFG_ENV_ADDR_REDUND, + CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 1, + &flash_info[CFG_MAX_FLASH_BANKS - 1]); + } + + return (0); +} + +#ifdef CONFIG_PCI +static struct pci_controller hose; + +extern void pci_mpc5xxx_init(struct pci_controller *); + +void pci_init_board(void) +{ + pci_mpc5xxx_init(&hose); +} +#endif + +#if defined (CFG_CMD_IDE) && defined (CONFIG_IDE_RESET) + +void init_ide_reset (void) +{ + debug ("init_ide_reset\n"); + +} + +void ide_set_reset (int idereset) +{ + debug ("ide_reset(%d)\n", idereset); + +} +#endif /* defined (CFG_CMD_IDE) && defined (CONFIG_IDE_RESET) */ + +#if (CONFIG_COMMANDS & CFG_CMD_DOC) +extern void doc_probe (ulong physadr); +void doc_init (void) +{ + doc_probe (CFG_DOC_BASE); +} +#endif diff --git a/board/mcc200/mt46v16m16-75.h b/board/mcc200/mt46v16m16-75.h new file mode 100644 index 0000000..f650faa --- /dev/null +++ b/board/mcc200/mt46v16m16-75.h @@ -0,0 +1,37 @@ +/* + * (C) Copyright 2004 + * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#define SDRAM_DDR 1 /* is DDR */ + +#if defined(CONFIG_MPC5200) +/* Settings for XLB = 132 MHz */ +#define SDRAM_MODE 0x018D0000 +#define SDRAM_EMODE 0x40090000 +#define SDRAM_CONTROL 0x714f0f00 +#define SDRAM_CONFIG1 0x73722930 +#define SDRAM_CONFIG2 0x47770000 +#define SDRAM_TAPDELAY 0x10000000 + +#else +#error CONFIG_MPC5200 not defined +#endif diff --git a/board/mcc200/mt48lc16m16a2-75.h b/board/mcc200/mt48lc16m16a2-75.h new file mode 100644 index 0000000..ffdf039 --- /dev/null +++ b/board/mcc200/mt48lc16m16a2-75.h @@ -0,0 +1,43 @@ +/* + * (C) Copyright 2004 + * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#define SDRAM_DDR 0 /* is SDR */ + +#if defined(CONFIG_MPC5200) +/* Settings for XLB = 132 MHz */ +#define SDRAM_MODE 0x00CD0000 +#define SDRAM_CONTROL 0x504F0000 +#define SDRAM_CONFIG1 0xD2322800 +#define SDRAM_CONFIG2 0x8AD70000 + +#elif defined(CONFIG_MGT5100) +/* Settings for XLB = 66 MHz */ +#define SDRAM_MODE 0x008D0000 +#define SDRAM_CONTROL 0x504F0000 +#define SDRAM_CONFIG1 0xC2222600 +#define SDRAM_CONFIG2 0x88B70004 +#define SDRAM_ADDRSEL 0x02000000 + +#else +#error Neither CONFIG_MPC5200 or CONFIG_MGT5100 defined +#endif diff --git a/board/mcc200/mt48lc8m32b2-6-7.h b/board/mcc200/mt48lc8m32b2-6-7.h new file mode 100644 index 0000000..13aebbd --- /dev/null +++ b/board/mcc200/mt48lc8m32b2-6-7.h @@ -0,0 +1,12 @@ +/* + * Configuration Registers for the MT48LC8M32B2 SDRAM on the MPC5200 platform + */ + +#define SDRAM_DDR 0 /* is SDR */ + +/* Settings for XLB = 132 MHz */ + +#define SDRAM_MODE 0x008d0000 /* CL-3 BURST-8 -> Mode Register MBAR + 0x0100 */ +#define SDRAM_CONTROL 0x504f0000 /* Control Register MBAR + 0x0104 */ +#define SDRAM_CONFIG1 0xc2222900 /* Delays between commands -> Configuration Register 1 MBAR + 0x0108 */ +#define SDRAM_CONFIG2 0x88c70000 /* Delays between commands -> Configuration Register 2 MBAR + 0x010C */ diff --git a/board/mcc200/u-boot.lds b/board/mcc200/u-boot.lds new file mode 100644 index 0000000..4fdea6b --- /dev/null +++ b/board/mcc200/u-boot.lds @@ -0,0 +1,125 @@ +/* + * (C) Copyright 2003-2006 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +OUTPUT_ARCH(powerpc) +SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib); +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rel.text : { *(.rel.text) } + .rela.text : { *(.rela.text) } + .rel.data : { *(.rel.data) } + .rela.data : { *(.rela.data) } + .rel.rodata : { *(.rel.rodata) } + .rela.rodata : { *(.rela.rodata) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } + .plt : { *(.plt) } + .text : + { + cpu/mpc5xxx/start.o (.text) + *(.text) + *(.fixup) + *(.got1) + . = ALIGN(16); + *(.rodata) + *(.rodata1) + *(.rodata.str1.4) + *(.eh_frame) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x0FFF) & 0xFFFFF000; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + *(.got) + _GOT2_TABLE_ = .; + *(.got2) + _FIXUP_TABLE_ = .; + *(.fixup) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2; + __fixup_entries = (. - _FIXUP_TABLE_) >> 2; + + .data : + { + *(.data) + *(.data1) + *(.sdata) + *(.sdata2) + *(.dynamic) + CONSTRUCTORS + } + _edata = .; + PROVIDE (edata = .); + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + + . = .; + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(4096); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(4096); + __init_end = .; + + __bss_start = .; + .bss : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } + _end = . ; + PROVIDE (end = .); +} diff --git a/board/netphone/config.mk b/board/netphone/config.mk index 8497ebc..de179c2 100644 --- a/board/netphone/config.mk +++ b/board/netphone/config.mk @@ -26,3 +26,6 @@ # TEXT_BASE = 0x40000000 + +# Compile the legacy NAND code (CFG_NAND_LEGACY must be defined) +BOARDLIBS = drivers/nand_legacy/libnand_legacy.a diff --git a/board/netphone/netphone.c b/board/netphone/netphone.c index dd03e4b..297de97 100644 --- a/board/netphone/netphone.c +++ b/board/netphone/netphone.c @@ -599,7 +599,7 @@ int board_early_init_f(void) #if (CONFIG_COMMANDS & CFG_CMD_NAND) -#include <linux/mtd/nand.h> +#include <linux/mtd/nand_legacy.h> extern ulong nand_probe(ulong physadr); extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE]; diff --git a/board/netstar/config.mk b/board/netstar/config.mk index 57a34c4..50d647a 100644 --- a/board/netstar/config.mk +++ b/board/netstar/config.mk @@ -10,6 +10,5 @@ # XXX TEXT_BASE = 0x20012000 TEXT_BASE = 0x13FC0000 -# Compile the new NAND code (needed iff #ifdef CONFIG_NEW_NAND_CODE) +# Compile the new NAND code BOARDLIBS = drivers/nand/libnand.a - diff --git a/board/netstar/setup.S b/board/netstar/setup.S index 82c0342..f67786d 100644 --- a/board/netstar/setup.S +++ b/board/netstar/setup.S @@ -129,8 +129,8 @@ MUX_CONFIG_OFFSETS: .byte 0x0c @ COMP_MODE_CTRL_0 .byte 0xff -.globl platformsetup -platformsetup: +.globl lowlevel_init +lowlevel_init: /* Improve performance a bit... */ mrc p15, 0, r1, c0, c0, 0 @ read C15 ID register mrc p15, 0, r1, c0, c0, 1 @ read C15 Cache information register diff --git a/board/netta2/config.mk b/board/netta2/config.mk index 8497ebc..de179c2 100644 --- a/board/netta2/config.mk +++ b/board/netta2/config.mk @@ -26,3 +26,6 @@ # TEXT_BASE = 0x40000000 + +# Compile the legacy NAND code (CFG_NAND_LEGACY must be defined) +BOARDLIBS = drivers/nand_legacy/libnand_legacy.a diff --git a/board/netta2/netta2.c b/board/netta2/netta2.c index c9b4051..3ca7bd3 100644 --- a/board/netta2/netta2.c +++ b/board/netta2/netta2.c @@ -597,7 +597,7 @@ int board_early_init_f(void) #if (CONFIG_COMMANDS & CFG_CMD_NAND) -#include <linux/mtd/nand.h> +#include <linux/mtd/nand_legacy.h> extern ulong nand_probe(ulong physadr); extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE]; diff --git a/board/netvia/config.mk b/board/netvia/config.mk index 9dddaad..583174a 100644 --- a/board/netvia/config.mk +++ b/board/netvia/config.mk @@ -26,3 +26,6 @@ # TEXT_BASE = 0x40000000 + +# Compile the legacy NAND code (CFG_NAND_LEGACY must be defined) +BOARDLIBS = drivers/nand_legacy/libnand_legacy.a diff --git a/board/netvia/netvia.c b/board/netvia/netvia.c index fb7f770..3e6c616 100644 --- a/board/netvia/netvia.c +++ b/board/netvia/netvia.c @@ -418,7 +418,7 @@ int board_early_init_f(void) #if (CONFIG_COMMANDS & CFG_CMD_NAND) -#include <linux/mtd/nand.h> +#include <linux/mtd/nand_legacy.h> extern ulong nand_probe(ulong physadr); extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE]; diff --git a/board/omap2420h4/omap2420h4.c b/board/omap2420h4/omap2420h4.c index 6ae1a49..2387176 100644 --- a/board/omap2420h4/omap2420h4.c +++ b/board/omap2420h4/omap2420h4.c @@ -32,7 +32,7 @@ #include <i2c.h> #include <asm/mach-types.h> #if (CONFIG_COMMANDS & CFG_CMD_NAND) -#include <linux/mtd/nand.h> +#include <linux/mtd/nand_legacy.h> extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE]; #endif diff --git a/board/sixnet/config.mk b/board/sixnet/config.mk index 0cd8f44..8e73d2f 100644 --- a/board/sixnet/config.mk +++ b/board/sixnet/config.mk @@ -26,3 +26,6 @@ # TEXT_BASE = 0xF8000000 + +# Compile the legacy NAND code (CFG_NAND_LEGACY must be defined) +BOARDLIBS = drivers/nand_legacy/libnand_legacy.a diff --git a/board/sixnet/sixnet.c b/board/sixnet/sixnet.c index 867589f..a25dffd 100644 --- a/board/sixnet/sixnet.c +++ b/board/sixnet/sixnet.c @@ -34,7 +34,7 @@ #endif #if (CONFIG_COMMANDS & CFG_CMD_NAND) -#include <linux/mtd/nand.h> +#include <linux/mtd/nand_legacy.h> extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE]; #endif diff --git a/board/stxxtc/stxxtc.c b/board/stxxtc/stxxtc.c index aa3d129..7caf06a 100644 --- a/board/stxxtc/stxxtc.c +++ b/board/stxxtc/stxxtc.c @@ -576,7 +576,7 @@ int board_early_init_f(void) #if (CONFIG_COMMANDS & CFG_CMD_NAND) -#include <linux/mtd/nand.h> +#include <linux/mtd/nand_legacy.h> extern ulong nand_probe(ulong physadr); extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE]; diff --git a/board/tqm85xx/tqm85xx.c b/board/tqm85xx/tqm85xx.c index 13ea6f4..c03b60d 100644 --- a/board/tqm85xx/tqm85xx.c +++ b/board/tqm85xx/tqm85xx.c @@ -296,7 +296,7 @@ int misc_init_r (void) /* Monitor protection ON by default */ flash_protect (FLAG_PROTECT_SET, - CFG_MONITOR_BASE, 0xffffffff, + CFG_MONITOR_BASE, CFG_MONITOR_BASE + monitor_flash_len - 1, &flash_info[CFG_MAX_FLASH_BANKS - 1]); /* Environment protection ON by default */ diff --git a/board/zylonite/lowlevel_init.S b/board/zylonite/lowlevel_init.S index 4d62be5..c3bb4eb 100644 --- a/board/zylonite/lowlevel_init.S +++ b/board/zylonite/lowlevel_init.S @@ -16,7 +16,7 @@ * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License @@ -32,140 +32,140 @@ DRAM_SIZE: .long CFG_DRAM_SIZE /* wait for coprocessor write complete */ - .macro CPWAIT reg - mrc p15,0,\reg,c2,c0,0 - mov \reg,\reg - sub pc,pc,#4 - .endm +.macro CPWAIT reg + mrc p15,0,\reg,c2,c0,0 + mov \reg,\reg + sub pc,pc,#4 +.endm .macro wait time - ldr r2, =OSCR - mov r3, #0 - str r3, [r2] + ldr r2, =OSCR + mov r3, #0 + str r3, [r2] 0: - ldr r3, [r2] - cmp r3, \time - bls 0b + ldr r3, [r2] + cmp r3, \time + bls 0b .endm - + /* - * Memory setup + * Memory setup */ .globl lowlevel_init lowlevel_init: /* Set up GPIO pins first ----------------------------------------- */ - mov r10, lr - - /* Configure GPIO Pins 41 - 48 as UART1 / altern. Fkt. 2 */ - ldr r0, =0x40E10438 @ GPIO41 FFRXD - ldr r1, =0x802 - str r1, [r0] - - ldr r0, =0x40E1043C @ GPIO42 FFTXD - ldr r1, =0x802 - str r1, [r0] - - ldr r0, =0x40E10440 @ GPIO43 FFCTS - ldr r1, =0x802 - str r1, [r0] - - ldr r0, =0x40E10444 @ GPIO 44 FFDCD - ldr r1, =0x802 - str r1, [r0] - - ldr r0, =0x40E10448 @ GPIO 45 FFDSR - ldr r1, =0x802 - str r1, [r0] - - ldr r0, =0x40E1044C @ GPIO 46 FFRI - ldr r1, =0x802 - str r1, [r0] - - ldr r0, =0x40E10450 @ GPIO 47 FFDTR - ldr r1, =0x802 - str r1, [r0] - - ldr r0, =0x40E10454 @ GPIO 48 - ldr r1, =0x802 - str r1, [r0] - - /* tebrandt - ASCR, clear the RDH bit */ - ldr r0, =ASCR - ldr r1, [r0] - bic r1, r1, #0x80000000 - str r1, [r0] - + mov r10, lr + + /* Configure GPIO Pins 41 - 48 as UART1 / altern. Fkt. 2 */ + ldr r0, =0x40E10438 @ GPIO41 FFRXD + ldr r1, =0x802 + str r1, [r0] + + ldr r0, =0x40E1043C @ GPIO42 FFTXD + ldr r1, =0x802 + str r1, [r0] + + ldr r0, =0x40E10440 @ GPIO43 FFCTS + ldr r1, =0x802 + str r1, [r0] + + ldr r0, =0x40E10444 @ GPIO 44 FFDCD + ldr r1, =0x802 + str r1, [r0] + + ldr r0, =0x40E10448 @ GPIO 45 FFDSR + ldr r1, =0x802 + str r1, [r0] + + ldr r0, =0x40E1044C @ GPIO 46 FFRI + ldr r1, =0x802 + str r1, [r0] + + ldr r0, =0x40E10450 @ GPIO 47 FFDTR + ldr r1, =0x802 + str r1, [r0] + + ldr r0, =0x40E10454 @ GPIO 48 + ldr r1, =0x802 + str r1, [r0] + + /* tebrandt - ASCR, clear the RDH bit */ + ldr r0, =ASCR + ldr r1, [r0] + bic r1, r1, #0x80000000 + str r1, [r0] + /* ---------------------------------------------------------------- */ - /* Enable memory interface */ - /* */ - /* The sequence below is based on the recommended init steps */ + /* Enable memory interface */ + /* */ + /* The sequence below is based on the recommended init steps */ /* detailed in the Intel PXA250 Operating Systems Developers Guide, */ - /* Chapter 10. */ + /* Chapter 10. */ /* ---------------------------------------------------------------- */ /* ---------------------------------------------------------------- */ - /* Step 1: Wait for at least 200 microsedonds to allow internal */ - /* clocks to settle. Only necessary after hard reset... */ - /* FIXME: can be optimized later */ + /* Step 1: Wait for at least 200 microsedonds to allow internal */ + /* clocks to settle. Only necessary after hard reset... */ + /* FIXME: can be optimized later */ /* ---------------------------------------------------------------- */ /* mk: replaced with wait macro */ -/* ldr r3, =OSCR /\* reset the OS Timer Count to zero *\/ */ -/* mov r2, #0 */ -/* str r2, [r3] */ -/* ldr r4, =0x300 /\* really 0x2E1 is about 200usec, *\/ */ -/* /\* so 0x300 should be plenty *\/ */ +/* ldr r3, =OSCR /\* reset the OS Timer Count to zero *\/ */ +/* mov r2, #0 */ +/* str r2, [r3] */ +/* ldr r4, =0x300 /\* really 0x2E1 is about 200usec, *\/ */ +/* /\* so 0x300 should be plenty *\/ */ /* 1: */ -/* ldr r2, [r3] */ -/* cmp r4, r2 */ -/* bgt 1b */ +/* ldr r2, [r3] */ +/* cmp r4, r2 */ +/* bgt 1b */ wait #300 - + mem_init: /* configure the MEMCLKCFG register */ - ldr r1, =MEMCLKCFG - ldr r2, =0x00010001 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN - + ldr r1, =MEMCLKCFG + ldr r2, =0x00010001 + str r2, [r1] @ WRITE + ldr r2, [r1] @ DELAY UNTIL WRITTEN + /* set CSADRCFG[0] to data flash SRAM mode */ - ldr r1, =CSADRCFG0 - ldr r2, =0x00320809 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN - + ldr r1, =CSADRCFG0 + ldr r2, =0x00320809 + str r2, [r1] @ WRITE + ldr r2, [r1] @ DELAY UNTIL WRITTEN + /* set CSADRCFG[1] to data flash SRAM mode */ - ldr r1, =CSADRCFG1 - ldr r2, =0x00320809 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN - + ldr r1, =CSADRCFG1 + ldr r2, =0x00320809 + str r2, [r1] @ WRITE + ldr r2, [r1] @ DELAY UNTIL WRITTEN + /* set MSC 0 register for SRAM memory */ - ldr r1, =MSC0 - ldr r2, =0x11191119 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN - + ldr r1, =MSC0 + ldr r2, =0x11191119 + str r2, [r1] @ WRITE + ldr r2, [r1] @ DELAY UNTIL WRITTEN + /* set CSADRCFG[2] to data flash SRAM mode */ - ldr r1, =CSADRCFG2 - ldr r2, =0x00320809 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN - + ldr r1, =CSADRCFG2 + ldr r2, =0x00320809 + str r2, [r1] @ WRITE + ldr r2, [r1] @ DELAY UNTIL WRITTEN + /* set CSADRCFG[3] to VLIO mode */ - ldr r1, =CSADRCFG3 - ldr r2, =0x0032080B - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN + ldr r1, =CSADRCFG3 + ldr r2, =0x0032080B + str r2, [r1] @ WRITE + ldr r2, [r1] @ DELAY UNTIL WRITTEN /* set MSC 1 register for VLIO memory */ - ldr r1, =MSC1 - ldr r2, =0x123C1119 - str r2, [r1] @ WRITE - ldr r2, [r1] @ DELAY UNTIL WRITTEN + ldr r1, =MSC1 + ldr r2, =0x123C1119 + str r2, [r1] @ WRITE + ldr r2, [r1] @ DELAY UNTIL WRITTEN #if 0 /* This does not work in Zylonite. -SC */ @@ -222,11 +222,11 @@ mem_init: ldr r2, [r1] /* Hardware DDR Read-Strobe Delay Calibration */ - ldr r0, =DDR_HCAL @ DDR_HCAL - ldr r1, =0x803ffc07 @ the offset is correct? -SC - str r1, [r0] + ldr r0, =DDR_HCAL @ DDR_HCAL + ldr r1, =0x803ffc07 @ the offset is correct? -SC + str r1, [r0] wait #5 - ldr r1, [r0] + ldr r1, [r0] /* Here we assume the hardware calibration alwasy be successful. -SC */ /* Set DMCEN bit in MDCNFG Register */ @@ -236,21 +236,21 @@ mem_init: str r1, [r0] /* scrub/init SDRAM if enabled/present */ -/* ldr r11, =0xa0000000 /\* base address of SDRAM (CFG_DRAM_BASE) *\/ */ -/* ldr r12, =0x04000000 /\* size of memory to scrub (CFG_DRAM_SIZE) *\/ */ -/* mov r8,r12 /\* save DRAM size (mk: why???) *\/ */ - ldr r8, =0xa0000000 /* base address of SDRAM (CFG_DRAM_BASE) */ - ldr r9, =0x04000000 /* size of memory to scrub (CFG_DRAM_SIZE) */ +/* ldr r11, =0xa0000000 /\* base address of SDRAM (CFG_DRAM_BASE) *\/ */ +/* ldr r12, =0x04000000 /\* size of memory to scrub (CFG_DRAM_SIZE) *\/ */ +/* mov r8,r12 /\* save DRAM size (mk: why???) *\/ */ + ldr r8, =0xa0000000 /* base address of SDRAM (CFG_DRAM_BASE) */ + ldr r9, =0x04000000 /* size of memory to scrub (CFG_DRAM_SIZE) */ mov r0, #0 /* scrub with 0x0000:0000 */ mov r1, #0 - mov r2, #0 + mov r2, #0 mov r3, #0 - mov r4, #0 + mov r4, #0 mov r5, #0 - mov r6, #0 + mov r6, #0 mov r7, #0 -10: /* fastScrubLoop */ - subs r9, r9, #32 // 32 bytes/line +10: /* fastScrubLoop */ + subs r9, r9, #32 /* 32 bytes/line */ stmia r8!, {r0-r7} beq 15f b 10b @@ -262,34 +262,30 @@ mem_init: /* Disable software and data breakpoints */ mov r0, #0 - mcr p15,0,r0,c14,c8,0 // ibcr0 - mcr p15,0,r0,c14,c9,0 // ibcr1 - mcr p15,0,r0,c14,c4,0 // dbcon + mcr p15,0,r0,c14,c8,0 /* ibcr0 */ + mcr p15,0,r0,c14,c9,0 /* ibcr1 */ + mcr p15,0,r0,c14,c4,0 /* dbcon */ /* Enable all debug functionality */ mov r0,#0x80000000 - mcr p14,0,r0,c10,c0,0 // dcsr - + mcr p14,0,r0,c10,c0,0 /* dcsr */ - /* We are finished with Intel's memory controller initialisation */ - /* ---------------------------------------------------------------- */ - /* End lowlevel_init */ + /* End lowlevel_init */ /* ---------------------------------------------------------------- */ endlowlevel_init: - mov pc, lr - + mov pc, lr /* @******************************************************************************** @ DDR calibration -@ +@ @ This function is used to calibrate DQS delay lines. -@ Monahans supports three ways to do it. One is software +@ Monahans supports three ways to do it. One is software @ calibration. Two is hardware calibration. Three is hybrid @ calibration. @ @@ -298,78 +294,78 @@ endlowlevel_init: ddr_calibration: @ Case 1: Write the correct delay value once - @ Configure DDR_SCAL Register - ldr r0, =DDR_SCAL @ DDR_SCAL -q ldr r1, =0xaf2f2f2f - str r1, [r0] - ldr r1, [r0] + @ Configure DDR_SCAL Register + ldr r0, =DDR_SCAL @ DDR_SCAL +q ldr r1, =0xaf2f2f2f + str r1, [r0] + ldr r1, [r0] */ /* @ Case 2: Software Calibration @ Write test pattern to memory - ldr r5, =0x0faf0faf @ Data Pattern - ldr r4, =0xa0000000 @ DDR ram - str r5, [r4] + ldr r5, =0x0faf0faf @ Data Pattern + ldr r4, =0xa0000000 @ DDR ram + str r5, [r4] - mov r1, =0x0 @ delay count - mov r6, =0x0 - mov r7, =0x0 + mov r1, =0x0 @ delay count + mov r6, =0x0 + mov r7, =0x0 ddr_loop1: - add r1, r1, =0x1 - cmp r1, =0xf - ble end_loop - mov r3, r1 - mov r0, r1, lsl #30 - orr r3, r3, r0 - mov r0, r1, lsl #22 - orr r3, r3, r0 - mov r0, r1, lsl #14 - orr r3, r3, r0 - orr r3, r3, =0x80000000 - ldr r2, =DDR_SCAL - str r3, [r2] - - ldr r2, [r4] - cmp r2, r5 - bne ddr_loop1 - mov r6, r1 + add r1, r1, =0x1 + cmp r1, =0xf + ble end_loop + mov r3, r1 + mov r0, r1, lsl #30 + orr r3, r3, r0 + mov r0, r1, lsl #22 + orr r3, r3, r0 + mov r0, r1, lsl #14 + orr r3, r3, r0 + orr r3, r3, =0x80000000 + ldr r2, =DDR_SCAL + str r3, [r2] + + ldr r2, [r4] + cmp r2, r5 + bne ddr_loop1 + mov r6, r1 ddr_loop2: - add r1, r1, =0x1 - cmp r1, =0xf - ble end_loop - mov r3, r1 - mov r0, r1, lsl #30 - orr r3, r3, r0 - mov r0, r1, lsl #22 - orr r3, r3, r0 - mov r0, r1, lsl #14 - orr r3, r3, r0 - orr r3, r3, =0x80000000 - ldr r2, =DDR_SCAL - str r3, [r2] - - ldr r2, [r4] - cmp r2, r5 - be ddr_loop2 - mov r7, r2 - - add r3, r6, r7 - lsr r3, r3, =0x1 - mov r0, r1, lsl #30 - orr r3, r3, r0 - mov r0, r1, lsl #22 - orr r3, r3, r0 - mov r0, r1, lsl #14 - orr r3, r3, r0 - orr r3, r3, =0x80000000 - ldr r2, =DDR_SCAL - + add r1, r1, =0x1 + cmp r1, =0xf + ble end_loop + mov r3, r1 + mov r0, r1, lsl #30 + orr r3, r3, r0 + mov r0, r1, lsl #22 + orr r3, r3, r0 + mov r0, r1, lsl #14 + orr r3, r3, r0 + orr r3, r3, =0x80000000 + ldr r2, =DDR_SCAL + str r3, [r2] + + ldr r2, [r4] + cmp r2, r5 + be ddr_loop2 + mov r7, r2 + + add r3, r6, r7 + lsr r3, r3, =0x1 + mov r0, r1, lsl #30 + orr r3, r3, r0 + mov r0, r1, lsl #22 + orr r3, r3, r0 + mov r0, r1, lsl #14 + orr r3, r3, r0 + orr r3, r3, =0x80000000 + ldr r2, =DDR_SCAL + end_loop: @ Case 3: Hardware Calibratoin - ldr r0, =DDR_HCAL @ DDR_HCAL - ldr r1, =0x803ffc07 @ the offset is correct? -SC - str r1, [r0] - wait #5 - ldr r1, [r0] - mov pc, lr + ldr r0, =DDR_HCAL @ DDR_HCAL + ldr r1, =0x803ffc07 @ the offset is correct? -SC + str r1, [r0] + wait #5 + ldr r1, [r0] + mov pc, lr */ diff --git a/common/Makefile b/common/Makefile index 7e45a7c..7dbf84a 100644 --- a/common/Makefile +++ b/common/Makefile @@ -37,7 +37,7 @@ COBJS = main.o ACEX1K.o altera.o bedbug.o circbuf.o \ cmd_i2c.o cmd_ide.o cmd_immap.o cmd_itest.o cmd_jffs2.o \ cmd_load.o cmd_log.o \ cmd_mem.o cmd_mii.o cmd_misc.o cmd_mmc.o \ - cmd_nand.o cmd_nand_new.o cmd_net.o cmd_nvedit.o \ + cmd_nand.o cmd_net.o cmd_nvedit.o \ cmd_pci.o cmd_pcmcia.o cmd_portio.o \ cmd_reginfo.o cmd_reiser.o cmd_scsi.o cmd_spi.o cmd_universe.o \ cmd_usb.o cmd_vfd.o \ diff --git a/common/cmd_doc.c b/common/cmd_doc.c index 5e9bea3..c726957 100644 --- a/common/cmd_doc.c +++ b/common/cmd_doc.c @@ -22,8 +22,9 @@ #if (CONFIG_COMMANDS & CFG_CMD_DOC) #include <linux/mtd/nftl.h> -#include <linux/mtd/nand.h> +#include <linux/mtd/nand_legacy.h> #include <linux/mtd/nand_ids.h> + #include <linux/mtd/doc2000.h> #include <linux/mtd/nftl.h> diff --git a/common/cmd_jffs2.c b/common/cmd_jffs2.c index ecadb79..201c3c1 100644 --- a/common/cmd_jffs2.c +++ b/common/cmd_jffs2.c @@ -91,7 +91,6 @@ #include <command.h> #include <malloc.h> #include <jffs2/jffs2.h> -#include <linux/mtd/nand.h> #include <linux/list.h> #include <linux/ctype.h> @@ -99,10 +98,14 @@ #include <cramfs/cramfs_fs.h> -#ifdef CONFIG_NEW_NAND_CODE +#if (CONFIG_COMMANDS & CFG_CMD_NAND) +#ifdef CFG_NAND_LEGACY +#include <linux/mtd/nand_legacy.h> +#else /* !CFG_NAND_LEGACY */ +#include <linux/mtd/nand.h> #include <nand.h> -#endif - +#endif /* !CFG_NAND_LEGACY */ +#endif /* (CONFIG_COMMANDS & CFG_CMD_NAND) */ /* enable/disable debugging messages */ #define DEBUG_JFFS #undef DEBUG_JFFS @@ -467,7 +470,7 @@ static int part_del(struct mtd_device *dev, struct part_info *part) } } -#ifndef CONFIG_NEW_NAND_CODE +#ifdef CFG_NAND_LEGACY jffs2_free_cache(part); #endif list_del(&part->link); @@ -496,7 +499,7 @@ static void part_delall(struct list_head *head) list_for_each_safe(entry, n, head) { part_tmp = list_entry(entry, struct part_info, link); -#ifndef CONFIG_NEW_NAND_CODE +#ifdef CFG_NAND_LEGACY jffs2_free_cache(part_tmp); #endif list_del(entry); @@ -732,7 +735,7 @@ static int device_validate(u8 type, u8 num, u32 *size) } else if (type == MTD_DEV_TYPE_NAND) { #if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) if (num < CFG_MAX_NAND_DEVICE) { -#ifdef CONFIG_NEW_NAND_CODE +#ifndef CFG_NAND_LEGACY *size = nand_info[num].size; #else extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE]; diff --git a/common/cmd_nand.c b/common/cmd_nand.c index 152873f..bb51d91 100644 --- a/common/cmd_nand.c +++ b/common/cmd_nand.c @@ -9,6 +9,387 @@ */ #include <common.h> + + +#ifndef CFG_NAND_LEGACY +/* + * + * New NAND support + * + */ +#include <common.h> + +#if (CONFIG_COMMANDS & CFG_CMD_NAND) + +#include <command.h> +#include <watchdog.h> +#include <malloc.h> +#include <asm/byteorder.h> + +#ifdef CONFIG_SHOW_BOOT_PROGRESS +# include <status_led.h> +# define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg) +#else +# define SHOW_BOOT_PROGRESS(arg) +#endif + +#include <jffs2/jffs2.h> +#include <nand.h> + +extern nand_info_t nand_info[]; /* info for NAND chips */ + +static int nand_dump_oob(nand_info_t *nand, ulong off) +{ + return 0; +} + +static int nand_dump(nand_info_t *nand, ulong off) +{ + int i; + u_char *buf, *p; + + buf = malloc(nand->oobblock + nand->oobsize); + if (!buf) { + puts("No memory for page buffer\n"); + return 1; + } + off &= ~(nand->oobblock - 1); + i = nand_read_raw(nand, buf, off, nand->oobblock, nand->oobsize); + if (i < 0) { + printf("Error (%d) reading page %08x\n", i, off); + free(buf); + return 1; + } + printf("Page %08x dump:\n", off); + i = nand->oobblock >> 4; p = buf; + while (i--) { + printf( "\t%02x %02x %02x %02x %02x %02x %02x %02x" + " %02x %02x %02x %02x %02x %02x %02x %02x\n", + p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], + p[8], p[9], p[10], p[11], p[12], p[13], p[14], p[15]); + p += 16; + } + puts("OOB:\n"); + i = nand->oobsize >> 3; + while (i--) { + printf( "\t%02x %02x %02x %02x %02x %02x %02x %02x\n", + p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]); + p += 8; + } + free(buf); + + return 0; +} + +/* ------------------------------------------------------------------------- */ + +static void +arg_off_size(int argc, char *argv[], ulong *off, ulong *size, ulong totsize) +{ + *off = 0; + *size = 0; + +#if defined(CONFIG_JFFS2_NAND) && defined(CFG_JFFS_CUSTOM_PART) + if (argc >= 1 && strcmp(argv[0], "partition") == 0) { + int part_num; + struct part_info *part; + const char *partstr; + + if (argc >= 2) + partstr = argv[1]; + else + partstr = getenv("partition"); + + if (partstr) + part_num = (int)simple_strtoul(partstr, NULL, 10); + else + part_num = 0; + + part = jffs2_part_info(part_num); + if (part == NULL) { + printf("\nInvalid partition %d\n", part_num); + return; + } + *size = part->size; + *off = (ulong)part->offset; + } else +#endif + { + if (argc >= 1) + *off = (ulong)simple_strtoul(argv[0], NULL, 16); + else + *off = 0; + + if (argc >= 2) + *size = (ulong)simple_strtoul(argv[1], NULL, 16); + else + *size = totsize - *off; + + } + +} + +int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +{ + int i, dev, ret; + ulong addr, off, size; + char *cmd, *s; + nand_info_t *nand; + + /* at least two arguments please */ + if (argc < 2) + goto usage; + + cmd = argv[1]; + + if (strcmp(cmd, "info") == 0) { + + putc('\n'); + for (i = 0; i < CFG_MAX_NAND_DEVICE; i++) { + if (nand_info[i].name) + printf("Device %d: %s, sector size %lu KiB\n", + i, nand_info[i].name, + nand_info[i].erasesize >> 10); + } + return 0; + } + + if (strcmp(cmd, "device") == 0) { + + if (argc < 3) { + if ((nand_curr_device < 0) || + (nand_curr_device >= CFG_MAX_NAND_DEVICE)) + puts("\nno devices available\n"); + else + printf("\nDevice %d: %s\n", nand_curr_device, + nand_info[nand_curr_device].name); + return 0; + } + dev = (int)simple_strtoul(argv[2], NULL, 10); + if (dev < 0 || dev >= CFG_MAX_NAND_DEVICE || !nand_info[dev].name) { + puts("No such device\n"); + return 1; + } + printf("Device %d: %s", dev, nand_info[dev].name); + puts("... is now current device\n"); + nand_curr_device = dev; + return 0; + } + + if (strcmp(cmd, "bad") != 0 && strcmp(cmd, "erase") != 0 && + strncmp(cmd, "dump", 4) != 0 && + strncmp(cmd, "read", 4) != 0 && strncmp(cmd, "write", 5) != 0) + goto usage; + + /* the following commands operate on the current device */ + if (nand_curr_device < 0 || nand_curr_device >= CFG_MAX_NAND_DEVICE || + !nand_info[nand_curr_device].name) { + puts("\nno devices available\n"); + return 1; + } + nand = &nand_info[nand_curr_device]; + + if (strcmp(cmd, "bad") == 0) { + printf("\nDevice %d bad blocks:\n", nand_curr_device); + for (off = 0; off < nand->size; off += nand->erasesize) + if (nand_block_isbad(nand, off)) + printf(" %08x\n", off); + return 0; + } + + if (strcmp(cmd, "erase") == 0) { + arg_off_size(argc - 2, argv + 2, &off, &size, nand->size); + if (off == 0 && size == 0) + return 1; + + printf("\nNAND erase: device %d offset 0x%x, size 0x%x ", + nand_curr_device, off, size); + ret = nand_erase(nand, off, size); + printf("%s\n", ret ? "ERROR" : "OK"); + + return ret == 0 ? 0 : 1; + } + + if (strncmp(cmd, "dump", 4) == 0) { + if (argc < 3) + goto usage; + + s = strchr(cmd, '.'); + off = (int)simple_strtoul(argv[2], NULL, 16); + + if (s != NULL && strcmp(s, ".oob") == 0) + ret = nand_dump_oob(nand, off); + else + ret = nand_dump(nand, off); + + return ret == 0 ? 1 : 0; + + } + + /* read write */ + if (strncmp(cmd, "read", 4) == 0 || strncmp(cmd, "write", 5) == 0) { + if (argc < 4) + goto usage; +/* + s = strchr(cmd, '.'); + clean = CLEAN_NONE; + if (s != NULL) { + if (strcmp(s, ".jffs2") == 0 || strcmp(s, ".e") == 0 + || strcmp(s, ".i")) + clean = CLEAN_JFFS2; + } +*/ + addr = (ulong)simple_strtoul(argv[2], NULL, 16); + + arg_off_size(argc - 3, argv + 3, &off, &size, nand->size); + if (off == 0 && size == 0) + return 1; + + i = strncmp(cmd, "read", 4) == 0; /* 1 = read, 0 = write */ + printf("\nNAND %s: device %d offset %u, size %u ... ", + i ? "read" : "write", nand_curr_device, off, size); + + if (i) + ret = nand_read(nand, off, &size, (u_char *)addr); + else + ret = nand_write(nand, off, &size, (u_char *)addr); + + printf(" %d bytes %s: %s\n", size, + i ? "read" : "written", ret ? "ERROR" : "OK"); + + return ret == 0 ? 0 : 1; + } +usage: + printf("Usage:\n%s\n", cmdtp->usage); + return 1; +} + +U_BOOT_CMD(nand, 5, 1, do_nand, + "nand - NAND sub-system\n", + "info - show available NAND devices\n" + "nand device [dev] - show or set current device\n" + "nand read[.jffs2] - addr off size\n" + "nand write[.jffs2] - addr off size - read/write `size' bytes starting\n" + " at offset `off' to/from memory address `addr'\n" + "nand erase [clean] [off size] - erase `size' bytes from\n" + " offset `off' (entire device if not specified)\n" + "nand bad - show bad blocks\n" + "nand dump[.oob] off - dump page\n" + "nand scrub - really clean NAND erasing bad blocks (UNSAFE)\n" + "nand markbad off - mark bad block at offset (UNSAFE)\n" + "nand biterr off - make a bit error at offset (UNSAFE)\n"); + +int do_nandboot(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +{ + char *boot_device = NULL; + char *ep; + int dev; + int r; + ulong addr, cnt, offset = 0; + image_header_t *hdr; + nand_info_t *nand; + + switch (argc) { + case 1: + addr = CFG_LOAD_ADDR; + boot_device = getenv("bootdevice"); + break; + case 2: + addr = simple_strtoul(argv[1], NULL, 16); + boot_device = getenv("bootdevice"); + break; + case 3: + addr = simple_strtoul(argv[1], NULL, 16); + boot_device = argv[2]; + break; + case 4: + addr = simple_strtoul(argv[1], NULL, 16); + boot_device = argv[2]; + offset = simple_strtoul(argv[3], NULL, 16); + break; + default: + printf("Usage:\n%s\n", cmdtp->usage); + SHOW_BOOT_PROGRESS(-1); + return 1; + } + + if (!boot_device) { + puts("\n** No boot device **\n"); + SHOW_BOOT_PROGRESS(-1); + return 1; + } + + dev = simple_strtoul(boot_device, &ep, 16); + + if (dev < 0 || dev >= CFG_MAX_NAND_DEVICE || !nand_info[dev].name) { + printf("\n** Device %d not available\n", dev); + SHOW_BOOT_PROGRESS(-1); + return 1; + } + + nand = &nand_info[dev]; + printf("\nLoading from device %d: %s (offset 0x%lx)\n", + dev, nand->name, offset); + + cnt = nand->oobblock; + r = nand_read(nand, offset, &cnt, (u_char *) addr); + if (r) { + printf("** Read error on %d\n", dev); + SHOW_BOOT_PROGRESS(-1); + return 1; + } + + hdr = (image_header_t *) addr; + + if (ntohl(hdr->ih_magic) != IH_MAGIC) { + printf("\n** Bad Magic Number 0x%x **\n", hdr->ih_magic); + SHOW_BOOT_PROGRESS(-1); + return 1; + } + + print_image_hdr(hdr); + + cnt = (ntohl(hdr->ih_size) + sizeof (image_header_t)); + + r = nand_read(nand, offset, &cnt, (u_char *) addr); + if (r) { + printf("** Read error on %d\n", dev); + SHOW_BOOT_PROGRESS(-1); + return 1; + } + + /* Loading ok, update default load address */ + + load_addr = addr; + + /* Check if we should attempt an auto-start */ + if (((ep = getenv("autostart")) != NULL) && (strcmp(ep, "yes") == 0)) { + char *local_args[2]; + extern int do_bootm(cmd_tbl_t *, int, int, char *[]); + + local_args[0] = argv[0]; + local_args[1] = NULL; + + printf("Automatic boot of image at addr 0x%08lx ...\n", addr); + + do_bootm(cmdtp, 0, 1, local_args); + return 1; + } + return 0; +} + +U_BOOT_CMD(nboot, 4, 1, do_nandboot, + "nboot - boot from NAND device\n", "loadAddr dev\n"); + + +#endif /* (CONFIG_COMMANDS & CFG_CMD_NAND) */ + +#else /* CFG_NAND_LEGACY */ +/* + * + * Legacy NAND support - to be phased out + * + */ #include <command.h> #include <malloc.h> #include <asm/io.h> @@ -21,11 +402,12 @@ # define SHOW_BOOT_PROGRESS(arg) #endif -#if (CONFIG_COMMANDS & CFG_CMD_NAND) && !defined(CONFIG_NEW_NAND_CODE) - -#include <linux/mtd/nand.h> +#if (CONFIG_COMMANDS & CFG_CMD_NAND) +#include <linux/mtd/nand_legacy.h> +#if 0 #include <linux/mtd/nand_ids.h> #include <jffs2/jffs2.h> +#endif #ifdef CONFIG_OMAP1510 void archflashwp(void *archdata, int wp); @@ -33,15 +415,6 @@ void archflashwp(void *archdata, int wp); #define ROUND_DOWN(value,boundary) ((value) & (~((boundary)-1))) -/* - * Definition of the out of band configuration structure - */ -struct nand_oob_config { - int ecc_pos[6]; /* position of ECC bytes inside oob */ - int badblock_pos; /* position of bad block flag inside oob -1 = inactive */ - int eccvalid_pos; /* position of ECC valid flag inside oob -1 = inactive */ -} oob_config = { {0}, 0, 0}; - #undef NAND_DEBUG #undef PSYCHO_DEBUG @@ -63,41 +436,28 @@ struct nand_oob_config { #define CONFIG_MTD_NAND_ECC /* enable ECC */ #define CONFIG_MTD_NAND_ECC_JFFS2 -/* bits for nand_rw() `cmd'; or together as needed */ +/* bits for nand_legacy_rw() `cmd'; or together as needed */ #define NANDRW_READ 0x01 #define NANDRW_WRITE 0x00 #define NANDRW_JFFS2 0x02 #define NANDRW_JFFS2_SKIP 0x04 /* - * Function Prototypes + * Imports from nand_legacy.c */ -static void nand_print(struct nand_chip *nand); -int nand_rw (struct nand_chip* nand, int cmd, - size_t start, size_t len, - size_t * retlen, u_char * buf); -int nand_erase(struct nand_chip* nand, size_t ofs, size_t len, int clean); -static int nand_read_ecc(struct nand_chip *nand, size_t start, size_t len, - size_t * retlen, u_char *buf, u_char *ecc_code); -static int nand_write_ecc (struct nand_chip* nand, size_t to, size_t len, - size_t * retlen, const u_char * buf, u_char * ecc_code); -static void nand_print_bad(struct nand_chip *nand); -static int nand_read_oob(struct nand_chip* nand, size_t ofs, size_t len, - size_t * retlen, u_char * buf); -static int nand_write_oob(struct nand_chip* nand, size_t ofs, size_t len, - size_t * retlen, const u_char * buf); -static int NanD_WaitReady(struct nand_chip *nand, int ale_wait); -#ifdef CONFIG_MTD_NAND_ECC -static int nand_correct_data (u_char *dat, u_char *read_ecc, u_char *calc_ecc); -static void nand_calculate_ecc (const u_char *dat, u_char *ecc_code); -#endif - -struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE] = {{0}}; +extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE]; +extern int curr_device; +extern int nand_legacy_erase(struct nand_chip *nand, size_t ofs, + size_t len, int clean); +extern int nand_legacy_rw(struct nand_chip *nand, int cmd, size_t start, + size_t len, size_t *retlen, u_char *buf); +extern void nand_print(struct nand_chip *nand); +extern void nand_print_bad(struct nand_chip *nand); +extern int nand_read_oob(struct nand_chip *nand, size_t ofs, + size_t len, size_t *retlen, u_char *buf); +extern int nand_write_oob(struct nand_chip *nand, size_t ofs, + size_t len, size_t *retlen, const u_char *buf); -/* Current NAND Device */ -static int curr_device = -1; - -/* ------------------------------------------------------------------------- */ int do_nand (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { @@ -174,7 +534,7 @@ int do_nand (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) printf ("\nNAND erase: device %d offset %ld, size %ld ... ", curr_device, off, size); - ret = nand_erase (nand, off, size, 1); + ret = nand_legacy_erase (nand, off, size, 1); printf("%s\n", ret ? "ERROR" : "OK"); @@ -240,7 +600,7 @@ int do_nand (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) (cmd & NANDRW_READ) ? "read" : "write", curr_device, off, size); - ret = nand_rw(nand_dev_desc + curr_device, cmd, off, size, + ret = nand_legacy_rw(nand_dev_desc + curr_device, cmd, off, size, (size_t *)&total, (u_char*)addr); printf (" %d bytes %s: %s\n", total, @@ -258,7 +618,8 @@ int do_nand (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) printf ("\nNAND erase: device %d offset %ld, size %ld ... ", curr_device, off, size); - ret = nand_erase (nand_dev_desc + curr_device, off, size, clean); + ret = nand_legacy_erase (nand_dev_desc + curr_device, + off, size, clean); printf("%s\n", ret ? "ERROR" : "OK"); @@ -340,8 +701,8 @@ int do_nandboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) dev, nand_dev_desc[dev].name, nand_dev_desc[dev].IO_ADDR, offset); - if (nand_rw (nand_dev_desc + dev, NANDRW_READ, offset, - SECTORSIZE, NULL, (u_char *)addr)) { + if (nand_legacy_rw (nand_dev_desc + dev, NANDRW_READ, offset, + SECTORSIZE, NULL, (u_char *)addr)) { printf ("** Read error on %d\n", dev); SHOW_BOOT_PROGRESS (-1); return 1; @@ -361,8 +722,9 @@ int do_nandboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) return 1; } - if (nand_rw (nand_dev_desc + dev, NANDRW_READ, offset + SECTORSIZE, cnt, - NULL, (u_char *)(addr+SECTORSIZE))) { + if (nand_legacy_rw (nand_dev_desc + dev, NANDRW_READ, + offset + SECTORSIZE, cnt, NULL, + (u_char *)(addr+SECTORSIZE))) { printf ("** Read error on %d\n", dev); SHOW_BOOT_PROGRESS (-1); return 1; @@ -394,1505 +756,6 @@ U_BOOT_CMD( "loadAddr dev\n" ); -/* returns 0 if block containing pos is OK: - * valid erase block and - * not marked bad, or no bad mark position is specified - * returns 1 if marked bad or otherwise invalid - */ -int check_block (struct nand_chip *nand, unsigned long pos) -{ - size_t retlen; - uint8_t oob_data; - uint16_t oob_data16[6]; - int page0 = pos & (-nand->erasesize); - int page1 = page0 + nand->oobblock; - int badpos = oob_config.badblock_pos; - - if (pos >= nand->totlen) - return 1; - - if (badpos < 0) - return 0; /* no way to check, assume OK */ - - if (nand->bus16) { - if (nand_read_oob(nand, (page0 + 0), 12, &retlen, (uint8_t *)oob_data16) - || (oob_data16[2] & 0xff00) != 0xff00) - return 1; - if (nand_read_oob(nand, (page1 + 0), 12, &retlen, (uint8_t *)oob_data16) - || (oob_data16[2] & 0xff00) != 0xff00) - return 1; - } else { - /* Note - bad block marker can be on first or second page */ - if (nand_read_oob(nand, page0 + badpos, 1, &retlen, (unsigned char *)&oob_data) - || oob_data != 0xff - || nand_read_oob (nand, page1 + badpos, 1, &retlen, (unsigned char *)&oob_data) - || oob_data != 0xff) - return 1; - } - - return 0; -} - -/* print bad blocks in NAND flash */ -static void nand_print_bad(struct nand_chip* nand) -{ - unsigned long pos; - - for (pos = 0; pos < nand->totlen; pos += nand->erasesize) { - if (check_block(nand, pos)) - printf(" 0x%8.8lx\n", pos); - } - puts("\n"); -} - -/* cmd: 0: NANDRW_WRITE write, fail on bad block - * 1: NANDRW_READ read, fail on bad block - * 2: NANDRW_WRITE | NANDRW_JFFS2 write, skip bad blocks - * 3: NANDRW_READ | NANDRW_JFFS2 read, data all 0xff for bad blocks - * 7: NANDRW_READ | NANDRW_JFFS2 | NANDRW_JFFS2_SKIP read, skip bad blocks - */ -int nand_rw (struct nand_chip* nand, int cmd, - size_t start, size_t len, - size_t * retlen, u_char * buf) -{ - int ret = 0, n, total = 0; - char eccbuf[6]; - /* eblk (once set) is the start of the erase block containing the - * data being processed. - */ - unsigned long eblk = ~0; /* force mismatch on first pass */ - unsigned long erasesize = nand->erasesize; - - while (len) { - if ((start & (-erasesize)) != eblk) { - /* have crossed into new erase block, deal with - * it if it is sure marked bad. - */ - eblk = start & (-erasesize); /* start of block */ - if (check_block(nand, eblk)) { - if (cmd == (NANDRW_READ | NANDRW_JFFS2)) { - while (len > 0 && - start - eblk < erasesize) { - *(buf++) = 0xff; - ++start; - ++total; - --len; - } - continue; - } else if (cmd == (NANDRW_READ | NANDRW_JFFS2 | NANDRW_JFFS2_SKIP)) { - start += erasesize; - continue; - } else if (cmd == (NANDRW_WRITE | NANDRW_JFFS2)) { - /* skip bad block */ - start += erasesize; - continue; - } else { - ret = 1; - break; - } - } - } - /* The ECC will not be calculated correctly if - less than 512 is written or read */ - /* Is request at least 512 bytes AND it starts on a proper boundry */ - if((start != ROUND_DOWN(start, 0x200)) || (len < 0x200)) - printf("Warning block writes should be at least 512 bytes and start on a 512 byte boundry\n"); - - if (cmd & NANDRW_READ) { - ret = nand_read_ecc(nand, start, - min(len, eblk + erasesize - start), - (size_t *)&n, (u_char*)buf, (u_char *)eccbuf); - } else { - ret = nand_write_ecc(nand, start, - min(len, eblk + erasesize - start), - (size_t *)&n, (u_char*)buf, (u_char *)eccbuf); - } - - if (ret) - break; - - start += n; - buf += n; - total += n; - len -= n; - } - if (retlen) - *retlen = total; - - return ret; -} - -static void nand_print(struct nand_chip *nand) -{ - if (nand->numchips > 1) { - printf("%s at 0x%lx,\n" - "\t %d chips %s, size %d MB, \n" - "\t total size %ld MB, sector size %ld kB\n", - nand->name, nand->IO_ADDR, nand->numchips, - nand->chips_name, 1 << (nand->chipshift - 20), - nand->totlen >> 20, nand->erasesize >> 10); - } - else { - printf("%s at 0x%lx (", nand->chips_name, nand->IO_ADDR); - print_size(nand->totlen, ", "); - print_size(nand->erasesize, " sector)\n"); - } -} - -/* ------------------------------------------------------------------------- */ - -static int NanD_WaitReady(struct nand_chip *nand, int ale_wait) -{ - /* This is inline, to optimise the common case, where it's ready instantly */ - int ret = 0; - -#ifdef NAND_NO_RB /* in config file, shorter delays currently wrap accesses */ - if(ale_wait) - NAND_WAIT_READY(nand); /* do the worst case 25us wait */ - else - udelay(10); -#else /* has functional r/b signal */ - NAND_WAIT_READY(nand); -#endif - return ret; -} - -/* NanD_Command: Send a flash command to the flash chip */ - -static inline int NanD_Command(struct nand_chip *nand, unsigned char command) -{ - unsigned long nandptr = nand->IO_ADDR; - - /* Assert the CLE (Command Latch Enable) line to the flash chip */ - NAND_CTL_SETCLE(nandptr); - - /* Send the command */ - WRITE_NAND_COMMAND(command, nandptr); - - /* Lower the CLE line */ - NAND_CTL_CLRCLE(nandptr); - -#ifdef NAND_NO_RB - if(command == NAND_CMD_RESET){ - u_char ret_val; - NanD_Command(nand, NAND_CMD_STATUS); - do { - ret_val = READ_NAND(nandptr);/* wait till ready */ - } while((ret_val & 0x40) != 0x40); - } -#endif - return NanD_WaitReady(nand, 0); -} - -/* NanD_Address: Set the current address for the flash chip */ - -static int NanD_Address(struct nand_chip *nand, int numbytes, unsigned long ofs) -{ - unsigned long nandptr; - int i; - - nandptr = nand->IO_ADDR; - - /* Assert the ALE (Address Latch Enable) line to the flash chip */ - NAND_CTL_SETALE(nandptr); - - /* Send the address */ - /* Devices with 256-byte page are addressed as: - * Column (bits 0-7), Page (bits 8-15, 16-23, 24-31) - * there is no device on the market with page256 - * and more than 24 bits. - * Devices with 512-byte page are addressed as: - * Column (bits 0-7), Page (bits 9-16, 17-24, 25-31) - * 25-31 is sent only if the chip support it. - * bit 8 changes the read command to be sent - * (NAND_CMD_READ0 or NAND_CMD_READ1). - */ - - if (numbytes == ADDR_COLUMN || numbytes == ADDR_COLUMN_PAGE) - WRITE_NAND_ADDRESS(ofs, nandptr); - - ofs = ofs >> nand->page_shift; - - if (numbytes == ADDR_PAGE || numbytes == ADDR_COLUMN_PAGE) { - for (i = 0; i < nand->pageadrlen; i++, ofs = ofs >> 8) { - WRITE_NAND_ADDRESS(ofs, nandptr); - } - } - - /* Lower the ALE line */ - NAND_CTL_CLRALE(nandptr); - - /* Wait for the chip to respond */ - return NanD_WaitReady(nand, 1); -} - -/* NanD_SelectChip: Select a given flash chip within the current floor */ - -static inline int NanD_SelectChip(struct nand_chip *nand, int chip) -{ - /* Wait for it to be ready */ - return NanD_WaitReady(nand, 0); -} - -/* NanD_IdentChip: Identify a given NAND chip given {floor,chip} */ - -static int NanD_IdentChip(struct nand_chip *nand, int floor, int chip) -{ - int mfr, id, i; - - NAND_ENABLE_CE(nand); /* set pin low */ - /* Reset the chip */ - if (NanD_Command(nand, NAND_CMD_RESET)) { -#ifdef NAND_DEBUG - printf("NanD_Command (reset) for %d,%d returned true\n", - floor, chip); -#endif - NAND_DISABLE_CE(nand); /* set pin high */ - return 0; - } - - /* Read the NAND chip ID: 1. Send ReadID command */ - if (NanD_Command(nand, NAND_CMD_READID)) { -#ifdef NAND_DEBUG - printf("NanD_Command (ReadID) for %d,%d returned true\n", - floor, chip); -#endif - NAND_DISABLE_CE(nand); /* set pin high */ - return 0; - } - - /* Read the NAND chip ID: 2. Send address byte zero */ - NanD_Address(nand, ADDR_COLUMN, 0); - - /* Read the manufacturer and device id codes from the device */ - - mfr = READ_NAND(nand->IO_ADDR); - - id = READ_NAND(nand->IO_ADDR); - - NAND_DISABLE_CE(nand); /* set pin high */ - -#ifdef NAND_DEBUG - printf("NanD_Command (ReadID) got %x %x\n", mfr, id); -#endif - if (mfr == 0xff || mfr == 0) { - /* No response - return failure */ - return 0; - } - - /* Check it's the same as the first chip we identified. - * M-Systems say that any given nand_chip device should only - * contain _one_ type of flash part, although that's not a - * hardware restriction. */ - if (nand->mfr) { - if (nand->mfr == mfr && nand->id == id) { - return 1; /* This is another the same the first */ - } else { - printf("Flash chip at floor %d, chip %d is different:\n", - floor, chip); - } - } - - /* Print and store the manufacturer and ID codes. */ - for (i = 0; nand_flash_ids[i].name != NULL; i++) { - if (mfr == nand_flash_ids[i].manufacture_id && - id == nand_flash_ids[i].model_id) { -#ifdef NAND_DEBUG - printf("Flash chip found:\n\t Manufacturer ID: 0x%2.2X, " - "Chip ID: 0x%2.2X (%s)\n", mfr, id, - nand_flash_ids[i].name); -#endif - if (!nand->mfr) { - nand->mfr = mfr; - nand->id = id; - nand->chipshift = - nand_flash_ids[i].chipshift; - nand->page256 = nand_flash_ids[i].page256; - nand->eccsize = 256; - if (nand->page256) { - nand->oobblock = 256; - nand->oobsize = 8; - nand->page_shift = 8; - } else { - nand->oobblock = 512; - nand->oobsize = 16; - nand->page_shift = 9; - } - nand->pageadrlen = nand_flash_ids[i].pageadrlen; - nand->erasesize = nand_flash_ids[i].erasesize; - nand->chips_name = nand_flash_ids[i].name; - nand->bus16 = nand_flash_ids[i].bus16; - return 1; - } - return 0; - } - } - - -#ifdef NAND_DEBUG - /* We haven't fully identified the chip. Print as much as we know. */ - printf("Unknown flash chip found: %2.2X %2.2X\n", - id, mfr); -#endif - - return 0; -} - -/* NanD_ScanChips: Find all NAND chips present in a nand_chip, and identify them */ - -static void NanD_ScanChips(struct nand_chip *nand) -{ - int floor, chip; - int numchips[NAND_MAX_FLOORS]; - int maxchips = NAND_MAX_CHIPS; - int ret = 1; - - nand->numchips = 0; - nand->mfr = 0; - nand->id = 0; - - - /* For each floor, find the number of valid chips it contains */ - for (floor = 0; floor < NAND_MAX_FLOORS; floor++) { - ret = 1; - numchips[floor] = 0; - for (chip = 0; chip < maxchips && ret != 0; chip++) { - - ret = NanD_IdentChip(nand, floor, chip); - if (ret) { - numchips[floor]++; - nand->numchips++; - } - } - } - - /* If there are none at all that we recognise, bail */ - if (!nand->numchips) { -#ifdef NAND_DEBUG - puts ("No NAND flash chips recognised.\n"); -#endif - return; - } - - /* Allocate an array to hold the information for each chip */ - nand->chips = malloc(sizeof(struct Nand) * nand->numchips); - if (!nand->chips) { - puts ("No memory for allocating chip info structures\n"); - return; - } - - ret = 0; - - /* Fill out the chip array with {floor, chipno} for each - * detected chip in the device. */ - for (floor = 0; floor < NAND_MAX_FLOORS; floor++) { - for (chip = 0; chip < numchips[floor]; chip++) { - nand->chips[ret].floor = floor; - nand->chips[ret].chip = chip; - nand->chips[ret].curadr = 0; - nand->chips[ret].curmode = 0x50; - ret++; - } - } - - /* Calculate and print the total size of the device */ - nand->totlen = nand->numchips * (1 << nand->chipshift); - -#ifdef NAND_DEBUG - printf("%d flash chips found. Total nand_chip size: %ld MB\n", - nand->numchips, nand->totlen >> 20); -#endif -} - -/* we need to be fast here, 1 us per read translates to 1 second per meg */ -static void NanD_ReadBuf (struct nand_chip *nand, u_char * data_buf, int cntr) -{ - unsigned long nandptr = nand->IO_ADDR; - - NanD_Command (nand, NAND_CMD_READ0); - - if (nand->bus16) { - u16 val; - - while (cntr >= 16) { - val = READ_NAND (nandptr); - *data_buf++ = val & 0xff; - *data_buf++ = val >> 8; - val = READ_NAND (nandptr); - *data_buf++ = val & 0xff; - *data_buf++ = val >> 8; - val = READ_NAND (nandptr); - *data_buf++ = val & 0xff; - *data_buf++ = val >> 8; - val = READ_NAND (nandptr); - *data_buf++ = val & 0xff; - *data_buf++ = val >> 8; - val = READ_NAND (nandptr); - *data_buf++ = val & 0xff; - *data_buf++ = val >> 8; - val = READ_NAND (nandptr); - *data_buf++ = val & 0xff; - *data_buf++ = val >> 8; - val = READ_NAND (nandptr); - *data_buf++ = val & 0xff; - *data_buf++ = val >> 8; - val = READ_NAND (nandptr); - *data_buf++ = val & 0xff; - *data_buf++ = val >> 8; - cntr -= 16; - } - - while (cntr > 0) { - val = READ_NAND (nandptr); - *data_buf++ = val & 0xff; - *data_buf++ = val >> 8; - cntr -= 2; - } - } else { - while (cntr >= 16) { - *data_buf++ = READ_NAND (nandptr); - *data_buf++ = READ_NAND (nandptr); - *data_buf++ = READ_NAND (nandptr); - *data_buf++ = READ_NAND (nandptr); - *data_buf++ = READ_NAND (nandptr); - *data_buf++ = READ_NAND (nandptr); - *data_buf++ = READ_NAND (nandptr); - *data_buf++ = READ_NAND (nandptr); - *data_buf++ = READ_NAND (nandptr); - *data_buf++ = READ_NAND (nandptr); - *data_buf++ = READ_NAND (nandptr); - *data_buf++ = READ_NAND (nandptr); - *data_buf++ = READ_NAND (nandptr); - *data_buf++ = READ_NAND (nandptr); - *data_buf++ = READ_NAND (nandptr); - *data_buf++ = READ_NAND (nandptr); - cntr -= 16; - } - - while (cntr > 0) { - *data_buf++ = READ_NAND (nandptr); - cntr--; - } - } -} - -/* - * NAND read with ECC - */ -static int nand_read_ecc(struct nand_chip *nand, size_t start, size_t len, - size_t * retlen, u_char *buf, u_char *ecc_code) -{ - int col, page; - int ecc_status = 0; -#ifdef CONFIG_MTD_NAND_ECC - int j; - int ecc_failed = 0; - u_char *data_poi; - u_char ecc_calc[6]; -#endif - - /* Do not allow reads past end of device */ - if ((start + len) > nand->totlen) { - printf ("%s: Attempt read beyond end of device %x %x %x\n", - __FUNCTION__, (uint) start, (uint) len, (uint) nand->totlen); - *retlen = 0; - return -1; - } - - /* First we calculate the starting page */ - /*page = shr(start, nand->page_shift);*/ - page = start >> nand->page_shift; - - /* Get raw starting column */ - col = start & (nand->oobblock - 1); - - /* Initialize return value */ - *retlen = 0; - - /* Select the NAND device */ - NAND_ENABLE_CE(nand); /* set pin low */ - - /* Loop until all data read */ - while (*retlen < len) { - -#ifdef CONFIG_MTD_NAND_ECC - /* Do we have this page in cache ? */ - if (nand->cache_page == page) - goto readdata; - /* Send the read command */ - NanD_Command(nand, NAND_CMD_READ0); - if (nand->bus16) { - NanD_Address(nand, ADDR_COLUMN_PAGE, - (page << nand->page_shift) + (col >> 1)); - } else { - NanD_Address(nand, ADDR_COLUMN_PAGE, - (page << nand->page_shift) + col); - } - - /* Read in a page + oob data */ - NanD_ReadBuf(nand, nand->data_buf, nand->oobblock + nand->oobsize); - - /* copy data into cache, for read out of cache and if ecc fails */ - if (nand->data_cache) { - memcpy (nand->data_cache, nand->data_buf, - nand->oobblock + nand->oobsize); - } - - /* Pick the ECC bytes out of the oob data */ - for (j = 0; j < 6; j++) { - ecc_code[j] = nand->data_buf[(nand->oobblock + oob_config.ecc_pos[j])]; - } - - /* Calculate the ECC and verify it */ - /* If block was not written with ECC, skip ECC */ - if (oob_config.eccvalid_pos != -1 && - (nand->data_buf[nand->oobblock + oob_config.eccvalid_pos] & 0x0f) != 0x0f) { - - nand_calculate_ecc (&nand->data_buf[0], &ecc_calc[0]); - switch (nand_correct_data (&nand->data_buf[0], &ecc_code[0], &ecc_calc[0])) { - case -1: - printf ("%s: Failed ECC read, page 0x%08x\n", __FUNCTION__, page); - ecc_failed++; - break; - case 1: - case 2: /* transfer ECC corrected data to cache */ - if (nand->data_cache) - memcpy (nand->data_cache, nand->data_buf, 256); - break; - } - } - - if (oob_config.eccvalid_pos != -1 && - nand->oobblock == 512 && (nand->data_buf[nand->oobblock + oob_config.eccvalid_pos] & 0xf0) != 0xf0) { - - nand_calculate_ecc (&nand->data_buf[256], &ecc_calc[3]); - switch (nand_correct_data (&nand->data_buf[256], &ecc_code[3], &ecc_calc[3])) { - case -1: - printf ("%s: Failed ECC read, page 0x%08x\n", __FUNCTION__, page); - ecc_failed++; - break; - case 1: - case 2: /* transfer ECC corrected data to cache */ - if (nand->data_cache) - memcpy (&nand->data_cache[256], &nand->data_buf[256], 256); - break; - } - } -readdata: - /* Read the data from ECC data buffer into return buffer */ - data_poi = (nand->data_cache) ? nand->data_cache : nand->data_buf; - data_poi += col; - if ((*retlen + (nand->oobblock - col)) >= len) { - memcpy (buf + *retlen, data_poi, len - *retlen); - *retlen = len; - } else { - memcpy (buf + *retlen, data_poi, nand->oobblock - col); - *retlen += nand->oobblock - col; - } - /* Set cache page address, invalidate, if ecc_failed */ - nand->cache_page = (nand->data_cache && !ecc_failed) ? page : -1; - - ecc_status += ecc_failed; - ecc_failed = 0; - -#else - /* Send the read command */ - NanD_Command(nand, NAND_CMD_READ0); - if (nand->bus16) { - NanD_Address(nand, ADDR_COLUMN_PAGE, - (page << nand->page_shift) + (col >> 1)); - } else { - NanD_Address(nand, ADDR_COLUMN_PAGE, - (page << nand->page_shift) + col); - } - - /* Read the data directly into the return buffer */ - if ((*retlen + (nand->oobblock - col)) >= len) { - NanD_ReadBuf(nand, buf + *retlen, len - *retlen); - *retlen = len; - /* We're done */ - continue; - } else { - NanD_ReadBuf(nand, buf + *retlen, nand->oobblock - col); - *retlen += nand->oobblock - col; - } -#endif - /* For subsequent reads align to page boundary. */ - col = 0; - /* Increment page address */ - page++; - } - - /* De-select the NAND device */ - NAND_DISABLE_CE(nand); /* set pin high */ - - /* - * Return success, if no ECC failures, else -EIO - * fs driver will take care of that, because - * retlen == desired len and result == -EIO - */ - return ecc_status ? -1 : 0; -} - -/* - * Nand_page_program function is used for write and writev ! - */ -static int nand_write_page (struct nand_chip *nand, - int page, int col, int last, u_char * ecc_code) -{ - - int i; - unsigned long nandptr = nand->IO_ADDR; - -#ifdef CONFIG_MTD_NAND_ECC -#ifdef CONFIG_MTD_NAND_VERIFY_WRITE - int ecc_bytes = (nand->oobblock == 512) ? 6 : 3; -#endif -#endif - /* pad oob area */ - for (i = nand->oobblock; i < nand->oobblock + nand->oobsize; i++) - nand->data_buf[i] = 0xff; - -#ifdef CONFIG_MTD_NAND_ECC - /* Zero out the ECC array */ - for (i = 0; i < 6; i++) - ecc_code[i] = 0x00; - - /* Read back previous written data, if col > 0 */ - if (col) { - NanD_Command (nand, NAND_CMD_READ0); - if (nand->bus16) { - NanD_Address (nand, ADDR_COLUMN_PAGE, - (page << nand->page_shift) + (col >> 1)); - } else { - NanD_Address (nand, ADDR_COLUMN_PAGE, - (page << nand->page_shift) + col); - } - - if (nand->bus16) { - u16 val; - - for (i = 0; i < col; i += 2) { - val = READ_NAND (nandptr); - nand->data_buf[i] = val & 0xff; - nand->data_buf[i + 1] = val >> 8; - } - } else { - for (i = 0; i < col; i++) - nand->data_buf[i] = READ_NAND (nandptr); - } - } - - /* Calculate and write the ECC if we have enough data */ - if ((col < nand->eccsize) && (last >= nand->eccsize)) { - nand_calculate_ecc (&nand->data_buf[0], &(ecc_code[0])); - for (i = 0; i < 3; i++) { - nand->data_buf[(nand->oobblock + - oob_config.ecc_pos[i])] = ecc_code[i]; - } - if (oob_config.eccvalid_pos != -1) { - nand->data_buf[nand->oobblock + - oob_config.eccvalid_pos] = 0xf0; - } - } - - /* Calculate and write the second ECC if we have enough data */ - if ((nand->oobblock == 512) && (last == nand->oobblock)) { - nand_calculate_ecc (&nand->data_buf[256], &(ecc_code[3])); - for (i = 3; i < 6; i++) { - nand->data_buf[(nand->oobblock + - oob_config.ecc_pos[i])] = ecc_code[i]; - } - if (oob_config.eccvalid_pos != -1) { - nand->data_buf[nand->oobblock + - oob_config.eccvalid_pos] &= 0x0f; - } - } -#endif - /* Prepad for partial page programming !!! */ - for (i = 0; i < col; i++) - nand->data_buf[i] = 0xff; - - /* Postpad for partial page programming !!! oob is already padded */ - for (i = last; i < nand->oobblock; i++) - nand->data_buf[i] = 0xff; - - /* Send command to begin auto page programming */ - NanD_Command (nand, NAND_CMD_READ0); - NanD_Command (nand, NAND_CMD_SEQIN); - if (nand->bus16) { - NanD_Address (nand, ADDR_COLUMN_PAGE, - (page << nand->page_shift) + (col >> 1)); - } else { - NanD_Address (nand, ADDR_COLUMN_PAGE, - (page << nand->page_shift) + col); - } - - /* Write out complete page of data */ - if (nand->bus16) { - for (i = 0; i < (nand->oobblock + nand->oobsize); i += 2) { - WRITE_NAND (nand->data_buf[i] + - (nand->data_buf[i + 1] << 8), - nand->IO_ADDR); - } - } else { - for (i = 0; i < (nand->oobblock + nand->oobsize); i++) - WRITE_NAND (nand->data_buf[i], nand->IO_ADDR); - } - - /* Send command to actually program the data */ - NanD_Command (nand, NAND_CMD_PAGEPROG); - NanD_Command (nand, NAND_CMD_STATUS); -#ifdef NAND_NO_RB - { - u_char ret_val; - - do { - ret_val = READ_NAND (nandptr); /* wait till ready */ - } while ((ret_val & 0x40) != 0x40); - } -#endif - /* See if device thinks it succeeded */ - if (READ_NAND (nand->IO_ADDR) & 0x01) { - printf ("%s: Failed write, page 0x%08x, ", __FUNCTION__, - page); - return -1; - } -#ifdef CONFIG_MTD_NAND_VERIFY_WRITE - /* - * The NAND device assumes that it is always writing to - * a cleanly erased page. Hence, it performs its internal - * write verification only on bits that transitioned from - * 1 to 0. The device does NOT verify the whole page on a - * byte by byte basis. It is possible that the page was - * not completely erased or the page is becoming unusable - * due to wear. The read with ECC would catch the error - * later when the ECC page check fails, but we would rather - * catch it early in the page write stage. Better to write - * no data than invalid data. - */ - - /* Send command to read back the page */ - if (col < nand->eccsize) - NanD_Command (nand, NAND_CMD_READ0); - else - NanD_Command (nand, NAND_CMD_READ1); - if (nand->bus16) { - NanD_Address (nand, ADDR_COLUMN_PAGE, - (page << nand->page_shift) + (col >> 1)); - } else { - NanD_Address (nand, ADDR_COLUMN_PAGE, - (page << nand->page_shift) + col); - } - - /* Loop through and verify the data */ - if (nand->bus16) { - for (i = col; i < last; i = +2) { - if ((nand->data_buf[i] + - (nand->data_buf[i + 1] << 8)) != READ_NAND (nand->IO_ADDR)) { - printf ("%s: Failed write verify, page 0x%08x ", - __FUNCTION__, page); - return -1; - } - } - } else { - for (i = col; i < last; i++) { - if (nand->data_buf[i] != READ_NAND (nand->IO_ADDR)) { - printf ("%s: Failed write verify, page 0x%08x ", - __FUNCTION__, page); - return -1; - } - } - } - -#ifdef CONFIG_MTD_NAND_ECC - /* - * We also want to check that the ECC bytes wrote - * correctly for the same reasons stated above. - */ - NanD_Command (nand, NAND_CMD_READOOB); - if (nand->bus16) { - NanD_Address (nand, ADDR_COLUMN_PAGE, - (page << nand->page_shift) + (col >> 1)); - } else { - NanD_Address (nand, ADDR_COLUMN_PAGE, - (page << nand->page_shift) + col); - } - if (nand->bus16) { - for (i = 0; i < nand->oobsize; i += 2) { - u16 val; - - val = READ_NAND (nand->IO_ADDR); - nand->data_buf[i] = val & 0xff; - nand->data_buf[i + 1] = val >> 8; - } - } else { - for (i = 0; i < nand->oobsize; i++) { - nand->data_buf[i] = READ_NAND (nand->IO_ADDR); - } - } - for (i = 0; i < ecc_bytes; i++) { - if ((nand->data_buf[(oob_config.ecc_pos[i])] != ecc_code[i]) && ecc_code[i]) { - printf ("%s: Failed ECC write " - "verify, page 0x%08x, " - "%6i bytes were succesful\n", - __FUNCTION__, page, i); - return -1; - } - } -#endif /* CONFIG_MTD_NAND_ECC */ -#endif /* CONFIG_MTD_NAND_VERIFY_WRITE */ - return 0; -} - -static int nand_write_ecc (struct nand_chip* nand, size_t to, size_t len, - size_t * retlen, const u_char * buf, u_char * ecc_code) -{ - int i, page, col, cnt, ret = 0; - - /* Do not allow write past end of device */ - if ((to + len) > nand->totlen) { - printf ("%s: Attempt to write past end of page\n", __FUNCTION__); - return -1; - } - - /* Shift to get page */ - page = ((int) to) >> nand->page_shift; - - /* Get the starting column */ - col = to & (nand->oobblock - 1); - - /* Initialize return length value */ - *retlen = 0; - - /* Select the NAND device */ -#ifdef CONFIG_OMAP1510 - archflashwp(0,0); -#endif -#ifdef CFG_NAND_WP - NAND_WP_OFF(); -#endif - - NAND_ENABLE_CE(nand); /* set pin low */ - - /* Check the WP bit */ - NanD_Command(nand, NAND_CMD_STATUS); - if (!(READ_NAND(nand->IO_ADDR) & 0x80)) { - printf ("%s: Device is write protected!!!\n", __FUNCTION__); - ret = -1; - goto out; - } - - /* Loop until all data is written */ - while (*retlen < len) { - /* Invalidate cache, if we write to this page */ - if (nand->cache_page == page) - nand->cache_page = -1; - - /* Write data into buffer */ - if ((col + len) >= nand->oobblock) { - for (i = col, cnt = 0; i < nand->oobblock; i++, cnt++) { - nand->data_buf[i] = buf[(*retlen + cnt)]; - } - } else { - for (i = col, cnt = 0; cnt < (len - *retlen); i++, cnt++) { - nand->data_buf[i] = buf[(*retlen + cnt)]; - } - } - /* We use the same function for write and writev !) */ - ret = nand_write_page (nand, page, col, i, ecc_code); - if (ret) - goto out; - - /* Next data start at page boundary */ - col = 0; - - /* Update written bytes count */ - *retlen += cnt; - - /* Increment page address */ - page++; - } - - /* Return happy */ - *retlen = len; - -out: - /* De-select the NAND device */ - NAND_DISABLE_CE(nand); /* set pin high */ -#ifdef CONFIG_OMAP1510 - archflashwp(0,1); -#endif -#ifdef CFG_NAND_WP - NAND_WP_ON(); -#endif - - return ret; -} - -/* read from the 16 bytes of oob data that correspond to a 512 byte - * page or 2 256-byte pages. - */ -static int nand_read_oob(struct nand_chip* nand, size_t ofs, size_t len, - size_t * retlen, u_char * buf) -{ - int len256 = 0; - struct Nand *mychip; - int ret = 0; - - mychip = &nand->chips[ofs >> nand->chipshift]; - - /* update address for 2M x 8bit devices. OOB starts on the second */ - /* page to maintain compatibility with nand_read_ecc. */ - if (nand->page256) { - if (!(ofs & 0x8)) - ofs += 0x100; - else - ofs -= 0x8; - } - - NAND_ENABLE_CE(nand); /* set pin low */ - NanD_Command(nand, NAND_CMD_READOOB); - if (nand->bus16) { - NanD_Address(nand, ADDR_COLUMN_PAGE, - ((ofs >> nand->page_shift) << nand->page_shift) + - ((ofs & (nand->oobblock - 1)) >> 1)); - } else { - NanD_Address(nand, ADDR_COLUMN_PAGE, ofs); - } - - /* treat crossing 8-byte OOB data for 2M x 8bit devices */ - /* Note: datasheet says it should automaticaly wrap to the */ - /* next OOB block, but it didn't work here. mf. */ - if (nand->page256 && ofs + len > (ofs | 0x7) + 1) { - len256 = (ofs | 0x7) + 1 - ofs; - NanD_ReadBuf(nand, buf, len256); - - NanD_Command(nand, NAND_CMD_READOOB); - NanD_Address(nand, ADDR_COLUMN_PAGE, ofs & (~0x1ff)); - } - - NanD_ReadBuf(nand, &buf[len256], len - len256); - - *retlen = len; - /* Reading the full OOB data drops us off of the end of the page, - * causing the flash device to go into busy mode, so we need - * to wait until ready 11.4.1 and Toshiba TC58256FT nands */ - - ret = NanD_WaitReady(nand, 1); - NAND_DISABLE_CE(nand); /* set pin high */ - - return ret; - -} - -/* write to the 16 bytes of oob data that correspond to a 512 byte - * page or 2 256-byte pages. - */ -static int nand_write_oob(struct nand_chip* nand, size_t ofs, size_t len, - size_t * retlen, const u_char * buf) -{ - int len256 = 0; - int i; - unsigned long nandptr = nand->IO_ADDR; - -#ifdef PSYCHO_DEBUG - printf("nand_write_oob(%lx, %d): %2.2X %2.2X %2.2X %2.2X ... %2.2X %2.2X .. %2.2X %2.2X\n", - (long)ofs, len, buf[0], buf[1], buf[2], buf[3], - buf[8], buf[9], buf[14],buf[15]); -#endif - - NAND_ENABLE_CE(nand); /* set pin low to enable chip */ - - /* Reset the chip */ - NanD_Command(nand, NAND_CMD_RESET); - - /* issue the Read2 command to set the pointer to the Spare Data Area. */ - NanD_Command(nand, NAND_CMD_READOOB); - if (nand->bus16) { - NanD_Address(nand, ADDR_COLUMN_PAGE, - ((ofs >> nand->page_shift) << nand->page_shift) + - ((ofs & (nand->oobblock - 1)) >> 1)); - } else { - NanD_Address(nand, ADDR_COLUMN_PAGE, ofs); - } - - /* update address for 2M x 8bit devices. OOB starts on the second */ - /* page to maintain compatibility with nand_read_ecc. */ - if (nand->page256) { - if (!(ofs & 0x8)) - ofs += 0x100; - else - ofs -= 0x8; - } - - /* issue the Serial Data In command to initial the Page Program process */ - NanD_Command(nand, NAND_CMD_SEQIN); - if (nand->bus16) { - NanD_Address(nand, ADDR_COLUMN_PAGE, - ((ofs >> nand->page_shift) << nand->page_shift) + - ((ofs & (nand->oobblock - 1)) >> 1)); - } else { - NanD_Address(nand, ADDR_COLUMN_PAGE, ofs); - } - - /* treat crossing 8-byte OOB data for 2M x 8bit devices */ - /* Note: datasheet says it should automaticaly wrap to the */ - /* next OOB block, but it didn't work here. mf. */ - if (nand->page256 && ofs + len > (ofs | 0x7) + 1) { - len256 = (ofs | 0x7) + 1 - ofs; - for (i = 0; i < len256; i++) - WRITE_NAND(buf[i], nandptr); - - NanD_Command(nand, NAND_CMD_PAGEPROG); - NanD_Command(nand, NAND_CMD_STATUS); -#ifdef NAND_NO_RB - { u_char ret_val; - do { - ret_val = READ_NAND(nandptr); /* wait till ready */ - } while ((ret_val & 0x40) != 0x40); - } -#endif - if (READ_NAND(nandptr) & 1) { - puts ("Error programming oob data\n"); - /* There was an error */ - NAND_DISABLE_CE(nand); /* set pin high */ - *retlen = 0; - return -1; - } - NanD_Command(nand, NAND_CMD_SEQIN); - NanD_Address(nand, ADDR_COLUMN_PAGE, ofs & (~0x1ff)); - } - - if (nand->bus16) { - for (i = len256; i < len; i += 2) { - WRITE_NAND(buf[i] + (buf[i+1] << 8), nandptr); - } - } else { - for (i = len256; i < len; i++) - WRITE_NAND(buf[i], nandptr); - } - - NanD_Command(nand, NAND_CMD_PAGEPROG); - NanD_Command(nand, NAND_CMD_STATUS); -#ifdef NAND_NO_RB - { u_char ret_val; - do { - ret_val = READ_NAND(nandptr); /* wait till ready */ - } while ((ret_val & 0x40) != 0x40); - } -#endif - if (READ_NAND(nandptr) & 1) { - puts ("Error programming oob data\n"); - /* There was an error */ - NAND_DISABLE_CE(nand); /* set pin high */ - *retlen = 0; - return -1; - } - - NAND_DISABLE_CE(nand); /* set pin high */ - *retlen = len; - return 0; - -} - -int nand_erase(struct nand_chip* nand, size_t ofs, size_t len, int clean) -{ - /* This is defined as a structure so it will work on any system - * using native endian jffs2 (the default). - */ - static struct jffs2_unknown_node clean_marker = { - JFFS2_MAGIC_BITMASK, - JFFS2_NODETYPE_CLEANMARKER, - 8 /* 8 bytes in this node */ - }; - unsigned long nandptr; - struct Nand *mychip; - int ret = 0; - - if (ofs & (nand->erasesize-1) || len & (nand->erasesize-1)) { - printf ("Offset and size must be sector aligned, erasesize = %d\n", - (int) nand->erasesize); - return -1; - } - - nandptr = nand->IO_ADDR; - - /* Select the NAND device */ -#ifdef CONFIG_OMAP1510 - archflashwp(0,0); -#endif -#ifdef CFG_NAND_WP - NAND_WP_OFF(); -#endif - NAND_ENABLE_CE(nand); /* set pin low */ - - /* Check the WP bit */ - NanD_Command(nand, NAND_CMD_STATUS); - if (!(READ_NAND(nand->IO_ADDR) & 0x80)) { - printf ("nand_write_ecc: Device is write protected!!!\n"); - ret = -1; - goto out; - } - - /* Check the WP bit */ - NanD_Command(nand, NAND_CMD_STATUS); - if (!(READ_NAND(nand->IO_ADDR) & 0x80)) { - printf ("%s: Device is write protected!!!\n", __FUNCTION__); - ret = -1; - goto out; - } - - /* FIXME: Do nand in the background. Use timers or schedule_task() */ - while(len) { - /*mychip = &nand->chips[shr(ofs, nand->chipshift)];*/ - mychip = &nand->chips[ofs >> nand->chipshift]; - - /* always check for bad block first, genuine bad blocks - * should _never_ be erased. - */ - if (ALLOW_ERASE_BAD_DEBUG || !check_block(nand, ofs)) { - /* Select the NAND device */ - NAND_ENABLE_CE(nand); /* set pin low */ - - NanD_Command(nand, NAND_CMD_ERASE1); - NanD_Address(nand, ADDR_PAGE, ofs); - NanD_Command(nand, NAND_CMD_ERASE2); - - NanD_Command(nand, NAND_CMD_STATUS); - -#ifdef NAND_NO_RB - { u_char ret_val; - do { - ret_val = READ_NAND(nandptr); /* wait till ready */ - } while ((ret_val & 0x40) != 0x40); - } -#endif - if (READ_NAND(nandptr) & 1) { - printf ("%s: Error erasing at 0x%lx\n", - __FUNCTION__, (long)ofs); - /* There was an error */ - ret = -1; - goto out; - } - if (clean) { - int n; /* return value not used */ - int p, l; - - /* clean marker position and size depend - * on the page size, since 256 byte pages - * only have 8 bytes of oob data - */ - if (nand->page256) { - p = NAND_JFFS2_OOB8_FSDAPOS; - l = NAND_JFFS2_OOB8_FSDALEN; - } else { - p = NAND_JFFS2_OOB16_FSDAPOS; - l = NAND_JFFS2_OOB16_FSDALEN; - } - - ret = nand_write_oob(nand, ofs + p, l, (size_t *)&n, - (u_char *)&clean_marker); - /* quit here if write failed */ - if (ret) - goto out; - } - } - ofs += nand->erasesize; - len -= nand->erasesize; - } - -out: - /* De-select the NAND device */ - NAND_DISABLE_CE(nand); /* set pin high */ -#ifdef CONFIG_OMAP1510 - archflashwp(0,1); -#endif -#ifdef CFG_NAND_WP - NAND_WP_ON(); -#endif - - return ret; -} - -static inline int nandcheck(unsigned long potential, unsigned long physadr) -{ - return 0; -} - -unsigned long nand_probe(unsigned long physadr) -{ - struct nand_chip *nand = NULL; - int i = 0, ChipID = 1; - -#ifdef CONFIG_MTD_NAND_ECC_JFFS2 - oob_config.ecc_pos[0] = NAND_JFFS2_OOB_ECCPOS0; - oob_config.ecc_pos[1] = NAND_JFFS2_OOB_ECCPOS1; - oob_config.ecc_pos[2] = NAND_JFFS2_OOB_ECCPOS2; - oob_config.ecc_pos[3] = NAND_JFFS2_OOB_ECCPOS3; - oob_config.ecc_pos[4] = NAND_JFFS2_OOB_ECCPOS4; - oob_config.ecc_pos[5] = NAND_JFFS2_OOB_ECCPOS5; - oob_config.eccvalid_pos = 4; -#else - oob_config.ecc_pos[0] = NAND_NOOB_ECCPOS0; - oob_config.ecc_pos[1] = NAND_NOOB_ECCPOS1; - oob_config.ecc_pos[2] = NAND_NOOB_ECCPOS2; - oob_config.ecc_pos[3] = NAND_NOOB_ECCPOS3; - oob_config.ecc_pos[4] = NAND_NOOB_ECCPOS4; - oob_config.ecc_pos[5] = NAND_NOOB_ECCPOS5; - oob_config.eccvalid_pos = NAND_NOOB_ECCVPOS; -#endif - oob_config.badblock_pos = 5; - - for (i=0; i<CFG_MAX_NAND_DEVICE; i++) { - if (nand_dev_desc[i].ChipID == NAND_ChipID_UNKNOWN) { - nand = &nand_dev_desc[i]; - break; - } - } - if (!nand) - return (0); - - memset((char *)nand, 0, sizeof(struct nand_chip)); - - nand->IO_ADDR = physadr; - nand->cache_page = -1; /* init the cache page */ - NanD_ScanChips(nand); - - if (nand->totlen == 0) { - /* no chips found, clean up and quit */ - memset((char *)nand, 0, sizeof(struct nand_chip)); - nand->ChipID = NAND_ChipID_UNKNOWN; - return (0); - } - - nand->ChipID = ChipID; - if (curr_device == -1) - curr_device = i; - - nand->data_buf = malloc (nand->oobblock + nand->oobsize); - if (!nand->data_buf) { - puts ("Cannot allocate memory for data structures.\n"); - return (0); - } - - return (nand->totlen); -} - -#ifdef CONFIG_MTD_NAND_ECC -/* - * Pre-calculated 256-way 1 byte column parity - */ -static const u_char nand_ecc_precalc_table[] = { - 0x00, 0x55, 0x56, 0x03, 0x59, 0x0c, 0x0f, 0x5a, - 0x5a, 0x0f, 0x0c, 0x59, 0x03, 0x56, 0x55, 0x00, - 0x65, 0x30, 0x33, 0x66, 0x3c, 0x69, 0x6a, 0x3f, - 0x3f, 0x6a, 0x69, 0x3c, 0x66, 0x33, 0x30, 0x65, - 0x66, 0x33, 0x30, 0x65, 0x3f, 0x6a, 0x69, 0x3c, - 0x3c, 0x69, 0x6a, 0x3f, 0x65, 0x30, 0x33, 0x66, - 0x03, 0x56, 0x55, 0x00, 0x5a, 0x0f, 0x0c, 0x59, - 0x59, 0x0c, 0x0f, 0x5a, 0x00, 0x55, 0x56, 0x03, - 0x69, 0x3c, 0x3f, 0x6a, 0x30, 0x65, 0x66, 0x33, - 0x33, 0x66, 0x65, 0x30, 0x6a, 0x3f, 0x3c, 0x69, - 0x0c, 0x59, 0x5a, 0x0f, 0x55, 0x00, 0x03, 0x56, - 0x56, 0x03, 0x00, 0x55, 0x0f, 0x5a, 0x59, 0x0c, - 0x0f, 0x5a, 0x59, 0x0c, 0x56, 0x03, 0x00, 0x55, - 0x55, 0x00, 0x03, 0x56, 0x0c, 0x59, 0x5a, 0x0f, - 0x6a, 0x3f, 0x3c, 0x69, 0x33, 0x66, 0x65, 0x30, - 0x30, 0x65, 0x66, 0x33, 0x69, 0x3c, 0x3f, 0x6a, - 0x6a, 0x3f, 0x3c, 0x69, 0x33, 0x66, 0x65, 0x30, - 0x30, 0x65, 0x66, 0x33, 0x69, 0x3c, 0x3f, 0x6a, - 0x0f, 0x5a, 0x59, 0x0c, 0x56, 0x03, 0x00, 0x55, - 0x55, 0x00, 0x03, 0x56, 0x0c, 0x59, 0x5a, 0x0f, - 0x0c, 0x59, 0x5a, 0x0f, 0x55, 0x00, 0x03, 0x56, - 0x56, 0x03, 0x00, 0x55, 0x0f, 0x5a, 0x59, 0x0c, - 0x69, 0x3c, 0x3f, 0x6a, 0x30, 0x65, 0x66, 0x33, - 0x33, 0x66, 0x65, 0x30, 0x6a, 0x3f, 0x3c, 0x69, - 0x03, 0x56, 0x55, 0x00, 0x5a, 0x0f, 0x0c, 0x59, - 0x59, 0x0c, 0x0f, 0x5a, 0x00, 0x55, 0x56, 0x03, - 0x66, 0x33, 0x30, 0x65, 0x3f, 0x6a, 0x69, 0x3c, - 0x3c, 0x69, 0x6a, 0x3f, 0x65, 0x30, 0x33, 0x66, - 0x65, 0x30, 0x33, 0x66, 0x3c, 0x69, 0x6a, 0x3f, - 0x3f, 0x6a, 0x69, 0x3c, 0x66, 0x33, 0x30, 0x65, - 0x00, 0x55, 0x56, 0x03, 0x59, 0x0c, 0x0f, 0x5a, - 0x5a, 0x0f, 0x0c, 0x59, 0x03, 0x56, 0x55, 0x00 -}; - - -/* - * Creates non-inverted ECC code from line parity - */ -static void nand_trans_result(u_char reg2, u_char reg3, - u_char *ecc_code) -{ - u_char a, b, i, tmp1, tmp2; - - /* Initialize variables */ - a = b = 0x80; - tmp1 = tmp2 = 0; - - /* Calculate first ECC byte */ - for (i = 0; i < 4; i++) { - if (reg3 & a) /* LP15,13,11,9 --> ecc_code[0] */ - tmp1 |= b; - b >>= 1; - if (reg2 & a) /* LP14,12,10,8 --> ecc_code[0] */ - tmp1 |= b; - b >>= 1; - a >>= 1; - } - - /* Calculate second ECC byte */ - b = 0x80; - for (i = 0; i < 4; i++) { - if (reg3 & a) /* LP7,5,3,1 --> ecc_code[1] */ - tmp2 |= b; - b >>= 1; - if (reg2 & a) /* LP6,4,2,0 --> ecc_code[1] */ - tmp2 |= b; - b >>= 1; - a >>= 1; - } - - /* Store two of the ECC bytes */ - ecc_code[0] = tmp1; - ecc_code[1] = tmp2; -} - -/* - * Calculate 3 byte ECC code for 256 byte block - */ -static void nand_calculate_ecc (const u_char *dat, u_char *ecc_code) -{ - u_char idx, reg1, reg3; - int j; - - /* Initialize variables */ - reg1 = reg3 = 0; - ecc_code[0] = ecc_code[1] = ecc_code[2] = 0; - - /* Build up column parity */ - for(j = 0; j < 256; j++) { - - /* Get CP0 - CP5 from table */ - idx = nand_ecc_precalc_table[dat[j]]; - reg1 ^= idx; - - /* All bit XOR = 1 ? */ - if (idx & 0x40) { - reg3 ^= (u_char) j; - } - } - - /* Create non-inverted ECC code from line parity */ - nand_trans_result((reg1 & 0x40) ? ~reg3 : reg3, reg3, ecc_code); - - /* Calculate final ECC code */ - ecc_code[0] = ~ecc_code[0]; - ecc_code[1] = ~ecc_code[1]; - ecc_code[2] = ((~reg1) << 2) | 0x03; -} - -/* - * Detect and correct a 1 bit error for 256 byte block - */ -static int nand_correct_data (u_char *dat, u_char *read_ecc, u_char *calc_ecc) -{ - u_char a, b, c, d1, d2, d3, add, bit, i; - - /* Do error detection */ - d1 = calc_ecc[0] ^ read_ecc[0]; - d2 = calc_ecc[1] ^ read_ecc[1]; - d3 = calc_ecc[2] ^ read_ecc[2]; - - if ((d1 | d2 | d3) == 0) { - /* No errors */ - return 0; - } else { - a = (d1 ^ (d1 >> 1)) & 0x55; - b = (d2 ^ (d2 >> 1)) & 0x55; - c = (d3 ^ (d3 >> 1)) & 0x54; - - /* Found and will correct single bit error in the data */ - if ((a == 0x55) && (b == 0x55) && (c == 0x54)) { - c = 0x80; - add = 0; - a = 0x80; - for (i=0; i<4; i++) { - if (d1 & c) - add |= a; - c >>= 2; - a >>= 1; - } - c = 0x80; - for (i=0; i<4; i++) { - if (d2 & c) - add |= a; - c >>= 2; - a >>= 1; - } - bit = 0; - b = 0x04; - c = 0x80; - for (i=0; i<3; i++) { - if (d3 & c) - bit |= b; - c >>= 2; - b >>= 1; - } - b = 0x01; - a = dat[add]; - a ^= (b << bit); - dat[add] = a; - return 1; - } - else { - i = 0; - while (d1) { - if (d1 & 0x01) - ++i; - d1 >>= 1; - } - while (d2) { - if (d2 & 0x01) - ++i; - d2 >>= 1; - } - while (d3) { - if (d3 & 0x01) - ++i; - d3 >>= 1; - } - if (i == 1) { - /* ECC Code Error Correction */ - read_ecc[0] = calc_ecc[0]; - read_ecc[1] = calc_ecc[1]; - read_ecc[2] = calc_ecc[2]; - return 2; - } - else { - /* Uncorrectable Error */ - return -1; - } - } - } - - /* Should never happen */ - return -1; -} - -#endif - -#ifdef CONFIG_JFFS2_NAND - -int read_jffs2_nand(size_t start, size_t len, - size_t * retlen, u_char * buf, int nanddev) -{ - return nand_rw(nand_dev_desc + nanddev, NANDRW_READ | NANDRW_JFFS2, - start, len, retlen, buf); -} - -#endif /* CONFIG_JFFS2_NAND */ - - #endif /* (CONFIG_COMMANDS & CFG_CMD_NAND) */ + +#endif /* CFG_NAND_LEGACY */ diff --git a/common/cmd_nand_new.c b/common/cmd_nand_new.c deleted file mode 100644 index 3ff2eba..0000000 --- a/common/cmd_nand_new.c +++ /dev/null @@ -1,364 +0,0 @@ -#include <common.h> - -#if (CONFIG_COMMANDS & CFG_CMD_NAND) && defined CONFIG_NEW_NAND_CODE - -#include <command.h> -#include <watchdog.h> -#include <malloc.h> -#include <asm/byteorder.h> - -#ifdef CONFIG_SHOW_BOOT_PROGRESS -# include <status_led.h> -# define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg) -#else -# define SHOW_BOOT_PROGRESS(arg) -#endif - -#include <jffs2/jffs2.h> -#include <nand.h> - -extern nand_info_t nand_info[]; /* info for NAND chips */ - -static int nand_dump_oob(nand_info_t *nand, ulong off) -{ - return 0; -} - -static int nand_dump(nand_info_t *nand, ulong off) -{ - int i; - u_char *buf, *p; - - buf = malloc(nand->oobblock + nand->oobsize); - if (!buf) { - puts("No memory for page buffer\n"); - return 1; - } - off &= ~(nand->oobblock - 1); - i = nand_read_raw(nand, buf, off, nand->oobblock, nand->oobsize); - if (i < 0) { - printf("Error (%d) reading page %08x\n", i, off); - free(buf); - return 1; - } - printf("Page %08x dump:\n", off); - i = nand->oobblock >> 4; p = buf; - while (i--) { - printf( "\t%02x %02x %02x %02x %02x %02x %02x %02x" - " %02x %02x %02x %02x %02x %02x %02x %02x\n", - p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], - p[8], p[9], p[10], p[11], p[12], p[13], p[14], p[15]); - p += 16; - } - puts("OOB:\n"); - i = nand->oobsize >> 3; - while (i--) { - printf( "\t%02x %02x %02x %02x %02x %02x %02x %02x\n", - p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]); - p += 8; - } - free(buf); - - return 0; -} - -/* ------------------------------------------------------------------------- */ - -static void -arg_off_size(int argc, char *argv[], ulong *off, ulong *size, ulong totsize) -{ - *off = 0; - *size = 0; - -#if defined(CONFIG_JFFS2_NAND) && defined(CFG_JFFS_CUSTOM_PART) - if (argc >= 1 && strcmp(argv[0], "partition") == 0) { - int part_num; - struct part_info *part; - const char *partstr; - - if (argc >= 2) - partstr = argv[1]; - else - partstr = getenv("partition"); - - if (partstr) - part_num = (int)simple_strtoul(partstr, NULL, 10); - else - part_num = 0; - - part = jffs2_part_info(part_num); - if (part == NULL) { - printf("\nInvalid partition %d\n", part_num); - return; - } - *size = part->size; - *off = (ulong)part->offset; - } else -#endif - { - if (argc >= 1) - *off = (ulong)simple_strtoul(argv[0], NULL, 16); - else - *off = 0; - - if (argc >= 2) - *size = (ulong)simple_strtoul(argv[1], NULL, 16); - else - *size = totsize - *off; - - } - -} - -int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) -{ - int i, dev, ret; - ulong addr, off, size; - char *cmd, *s; - nand_info_t *nand; - - /* at least two arguments please */ - if (argc < 2) - goto usage; - - cmd = argv[1]; - - if (strcmp(cmd, "info") == 0) { - - putc('\n'); - for (i = 0; i < CFG_MAX_NAND_DEVICE; i++) { - if (nand_info[i].name) - printf("Device %d: %s\n", i, nand_info[i].name); - } - return 0; - } - - if (strcmp(cmd, "device") == 0) { - - if (argc < 3) { - if ((nand_curr_device < 0) || - (nand_curr_device >= CFG_MAX_NAND_DEVICE)) - puts("\nno devices available\n"); - else - printf("\nDevice %d: %s\n", nand_curr_device, - nand_info[nand_curr_device].name); - return 0; - } - dev = (int)simple_strtoul(argv[2], NULL, 10); - if (dev < 0 || dev >= CFG_MAX_NAND_DEVICE || !nand_info[dev].name) { - puts("No such device\n"); - return 1; - } - printf("Device %d: %s", dev, nand_info[dev].name); - puts("... is now current device\n"); - nand_curr_device = dev; - return 0; - } - - if (strcmp(cmd, "bad") != 0 && strcmp(cmd, "erase") != 0 && - strncmp(cmd, "dump", 4) != 0 && - strncmp(cmd, "read", 4) != 0 && strncmp(cmd, "write", 5) != 0) - goto usage; - - /* the following commands operate on the current device */ - if (nand_curr_device < 0 || nand_curr_device >= CFG_MAX_NAND_DEVICE || - !nand_info[nand_curr_device].name) { - puts("\nno devices available\n"); - return 1; - } - nand = &nand_info[nand_curr_device]; - - if (strcmp(cmd, "bad") == 0) { - printf("\nDevice %d bad blocks:\n", nand_curr_device); - for (off = 0; off < nand->size; off += nand->erasesize) - if (nand_block_isbad(nand, off)) - printf(" %08x\n", off); - return 0; - } - - if (strcmp(cmd, "erase") == 0) { - arg_off_size(argc - 2, argv + 2, &off, &size, nand->size); - if (off == 0 && size == 0) - return 1; - - printf("\nNAND erase: device %d offset 0x%x, size 0x%x ", - nand_curr_device, off, size); - ret = nand_erase(nand, off, size); - printf("%s\n", ret ? "ERROR" : "OK"); - - return ret == 0 ? 0 : 1; - } - - if (strncmp(cmd, "dump", 4) == 0) { - if (argc < 3) - goto usage; - - s = strchr(cmd, '.'); - off = (int)simple_strtoul(argv[2], NULL, 16); - - if (s != NULL && strcmp(s, ".oob") == 0) - ret = nand_dump_oob(nand, off); - else - ret = nand_dump(nand, off); - - return ret == 0 ? 1 : 0; - - } - - /* read write */ - if (strncmp(cmd, "read", 4) == 0 || strncmp(cmd, "write", 5) == 0) { - if (argc < 4) - goto usage; -/* - s = strchr(cmd, '.'); - clean = CLEAN_NONE; - if (s != NULL) { - if (strcmp(s, ".jffs2") == 0 || strcmp(s, ".e") == 0 - || strcmp(s, ".i")) - clean = CLEAN_JFFS2; - } -*/ - addr = (ulong)simple_strtoul(argv[2], NULL, 16); - - arg_off_size(argc - 3, argv + 3, &off, &size, nand->size); - if (off == 0 && size == 0) - return 1; - - i = strncmp(cmd, "read", 4) == 0; /* 1 = read, 0 = write */ - printf("\nNAND %s: device %d offset %u, size %u ... ", - i ? "read" : "write", nand_curr_device, off, size); - - if (i) - ret = nand_read(nand, off, &size, (u_char *)addr); - else - ret = nand_write(nand, off, &size, (u_char *)addr); - - printf(" %d bytes %s: %s\n", size, - i ? "read" : "written", ret ? "ERROR" : "OK"); - - return ret == 0 ? 0 : 1; - } -usage: - printf("Usage:\n%s\n", cmdtp->usage); - return 1; -} - -U_BOOT_CMD(nand, 5, 1, do_nand, - "nand - NAND sub-system\n", - "info - show available NAND devices\n" - "nand device [dev] - show or set current device\n" - "nand read[.jffs2] - addr off size\n" - "nand write[.jffs2] - addr off size - read/write `size' bytes starting\n" - " at offset `off' to/from memory address `addr'\n" - "nand erase [clean] [off size] - erase `size' bytes from\n" - " offset `off' (entire device if not specified)\n" - "nand bad - show bad blocks\n" - "nand dump[.oob] off - dump page\n" - "nand scrub - really clean NAND erasing bad blocks (UNSAFE)\n" - "nand markbad off - mark bad block at offset (UNSAFE)\n" - "nand biterr off - make a bit error at offset (UNSAFE)\n"); - -int do_nandboot(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) -{ - char *boot_device = NULL; - char *ep; - int dev; - int r; - ulong addr, cnt, offset = 0; - image_header_t *hdr; - nand_info_t *nand; - - switch (argc) { - case 1: - addr = CFG_LOAD_ADDR; - boot_device = getenv("bootdevice"); - break; - case 2: - addr = simple_strtoul(argv[1], NULL, 16); - boot_device = getenv("bootdevice"); - break; - case 3: - addr = simple_strtoul(argv[1], NULL, 16); - boot_device = argv[2]; - break; - case 4: - addr = simple_strtoul(argv[1], NULL, 16); - boot_device = argv[2]; - offset = simple_strtoul(argv[3], NULL, 16); - break; - default: - printf("Usage:\n%s\n", cmdtp->usage); - SHOW_BOOT_PROGRESS(-1); - return 1; - } - - if (!boot_device) { - puts("\n** No boot device **\n"); - SHOW_BOOT_PROGRESS(-1); - return 1; - } - - dev = simple_strtoul(boot_device, &ep, 16); - - if (dev < 0 || dev >= CFG_MAX_NAND_DEVICE || !nand_info[dev].name) { - printf("\n** Device %d not available\n", dev); - SHOW_BOOT_PROGRESS(-1); - return 1; - } - - nand = &nand_info[dev]; - printf("\nLoading from device %d: %s (offset 0x%lx)\n", - dev, nand->name, offset); - - cnt = nand->oobblock; - r = nand_read(nand, offset, &cnt, (u_char *) addr); - if (r) { - printf("** Read error on %d\n", dev); - SHOW_BOOT_PROGRESS(-1); - return 1; - } - - hdr = (image_header_t *) addr; - - if (ntohl(hdr->ih_magic) != IH_MAGIC) { - printf("\n** Bad Magic Number 0x%x **\n", hdr->ih_magic); - SHOW_BOOT_PROGRESS(-1); - return 1; - } - - print_image_hdr(hdr); - - cnt = (ntohl(hdr->ih_size) + sizeof (image_header_t)); - - r = nand_read(nand, offset, &cnt, (u_char *) addr); - if (r) { - printf("** Read error on %d\n", dev); - SHOW_BOOT_PROGRESS(-1); - return 1; - } - - /* Loading ok, update default load address */ - - load_addr = addr; - - /* Check if we should attempt an auto-start */ - if (((ep = getenv("autostart")) != NULL) && (strcmp(ep, "yes") == 0)) { - char *local_args[2]; - extern int do_bootm(cmd_tbl_t *, int, int, char *[]); - - local_args[0] = argv[0]; - local_args[1] = NULL; - - printf("Automatic boot of image at addr 0x%08lx ...\n", addr); - - do_bootm(cmdtp, 0, 1, local_args); - return 1; - } - return 0; -} - -U_BOOT_CMD(nboot, 4, 1, do_nandboot, - "nboot - boot from NAND device\n", "loadAddr dev\n"); - - -#endif /* (CONFIG_COMMANDS & CFG_CMD_NAND) */ diff --git a/common/env_nand.c b/common/env_nand.c index 60aba1e..4896853 100644 --- a/common/env_nand.c +++ b/common/env_nand.c @@ -36,7 +36,7 @@ #include <command.h> #include <environment.h> #include <linux/stddef.h> -#include <linux/mtd/nand.h> +#include <nand.h> #if ((CONFIG_COMMANDS&(CFG_CMD_ENV|CFG_CMD_NAND)) == (CFG_CMD_ENV|CFG_CMD_NAND)) #define CMD_SAVEENV @@ -55,16 +55,12 @@ #error CONFIG_INFERNO not supported yet #endif -/* references to names in cmd_nand.c */ -#define NANDRW_READ 0x01 -#define NANDRW_WRITE 0x00 -#define NANDRW_JFFS2 0x02 -extern struct nand_chip nand_dev_desc[]; -int nand_rw (struct nand_chip* nand, int cmd, +int nand_legacy_rw (struct nand_chip* nand, int cmd, size_t start, size_t len, size_t * retlen, u_char * buf); -int nand_erase(struct nand_chip* nand, size_t ofs, - size_t len, int clean); + +/* info for NAND chips, defined in drivers/nand/nand.c */ +extern nand_info_t nand_info[]; /* references to names in env_common.c */ extern uchar default_environment[]; @@ -110,34 +106,43 @@ int env_init(void) } #ifdef CMD_SAVEENV +/* + * The legacy NAND code saved the environment in the first NAND device i.e., + * nand_dev_desc + 0. This is also the behaviour using the new NAND code. + */ int saveenv(void) { int total, ret = 0; - puts ("Erasing Nand..."); - if (nand_erase(nand_dev_desc + 0, CFG_ENV_OFFSET, CFG_ENV_SIZE, 0)) - return 1; + + puts ("Erasing Nand..."); + if (nand_erase(&nand_info[0], CFG_NEW_OFFSET, CFG_ENV_SIZE)) + return 1; puts ("Writing to Nand... "); - ret = nand_rw(nand_dev_desc + 0, - NANDRW_WRITE | NANDRW_JFFS2, CFG_ENV_OFFSET, CFG_ENV_SIZE, - &total, (u_char*)env_ptr); - if (ret || total != CFG_ENV_SIZE) + total = CFG_ENV_SIZE; + ret = nand_write(&nand_info[0], CFG_ENV_OFFSET, &total, + (u_char*) env_ptr); + if (ret || total != CFG_ENV_SIZE) return 1; - puts ("done\n"); - return ret; + puts ("done\n"); + return ret; } #endif /* CMD_SAVEENV */ +/* + * The legacy NAND code saved the environment in the first NAND device i.e., + * nand_dev_desc + 0. This is also the behaviour using the new NAND code. + */ void env_relocate_spec (void) { #if !defined(ENV_IS_EMBEDDED) int ret, total; - ret = nand_rw(nand_dev_desc + 0, - NANDRW_READ | NANDRW_JFFS2, CFG_ENV_OFFSET, CFG_ENV_SIZE, - &total, (u_char*)env_ptr); + total = CFG_ENV_SIZE; + ret = nand_read(&nand_info[0], CFG_ENV_OFFSET, &total, + (u_char*) env_ptr); if (ret || total != CFG_ENV_SIZE) return use_default(); diff --git a/cpu/mpc5xxx/fec.c b/cpu/mpc5xxx/fec.c index 86c8ce6..2e8e549 100644 --- a/cpu/mpc5xxx/fec.c +++ b/cpu/mpc5xxx/fec.c @@ -880,8 +880,9 @@ int mpc5xxx_fec_initialize(bd_t * bis) fec->rbdBase = (FEC_RBD *)(FEC_BD_BASE + FEC_TBD_NUM * sizeof(FEC_TBD)); #if defined(CONFIG_CANMB) || defined(CONFIG_HMI1001) || \ defined(CONFIG_ICECUBE) || defined(CONFIG_INKA4X0) || \ + defined(CONFIG_MCC200) || defined(CONFIG_O2DNT) || \ defined(CONFIG_PM520) || defined(CONFIG_TOP5200) || \ - defined(CONFIG_TQM5200) || defined(CONFIG_O2DNT) + defined(CONFIG_TQM5200) # ifndef CONFIG_FEC_10MBIT fec->xcv_type = MII100; # else diff --git a/cpu/pxa/cpu.c b/cpu/pxa/cpu.c index 445ba18..b33d674 100644 --- a/cpu/pxa/cpu.c +++ b/cpu/pxa/cpu.c @@ -162,4 +162,3 @@ void set_GPIO_mode(int gpio_mode) GAFR(gpio) = gafr | (fn << (((gpio) & 0xf)*2)); } #endif /* CONFIG_CPU_MONAHANS */ - diff --git a/cpu/pxa/start.S b/cpu/pxa/start.S index 7e5a1ee..9541c9b 100644 --- a/cpu/pxa/start.S +++ b/cpu/pxa/start.S @@ -6,8 +6,8 @@ * Copyright (C) 2000 Wolfgang Denk <wd@denx.de> * Copyright (C) 2001 Alex Zuepke <azu@sysgo.de> * Copyright (C) 2002 Kyle Harris <kharris@nexus-tech.net> - * Copyright (C) 2003 Robert Schwebel <r.schwebel@pengutronix.de> - * Copyright (C) 2003 Kai-Uwe Bloem <kai-uwe.bloem@auerswald.de> + * Copyright (C) 2003 Robert Schwebel <r.schwebel@pengutronix.de> + * Copyright (C) 2003 Kai-Uwe Bloem <kai-uwe.bloem@auerswald.de> * * See file CREDITS for list of people who contributed to this * project. @@ -117,13 +117,13 @@ reset: relocate: /* relocate U-Boot to RAM */ adr r0, _start /* r0 <- current position of code */ ldr r1, _TEXT_BASE /* test if we run from flash or RAM */ - cmp r0, r1 /* don't reloc during debug */ - beq stack_setup + cmp r0, r1 /* don't reloc during debug */ + beq stack_setup ldr r2, _armboot_start ldr r3, _bss_start - sub r2, r3, r2 /* r2 <- size of armboot */ - add r2, r0, r2 /* r2 <- source end address */ + sub r2, r3, r2 /* r2 <- size of armboot */ + add r2, r0, r2 /* r2 <- source end address */ copy_loop: ldmia r0!, {r3-r10} /* copy from source address [r0] */ @@ -135,19 +135,19 @@ copy_loop: /* Set up the stack */ stack_setup: ldr r0, _TEXT_BASE /* upper 128 KiB: relocated uboot */ - sub r0, r0, #CFG_MALLOC_LEN /* malloc area */ - sub r0, r0, #CFG_GBL_DATA_SIZE /* bdinfo */ + sub r0, r0, #CFG_MALLOC_LEN /* malloc area */ + sub r0, r0, #CFG_GBL_DATA_SIZE /* bdinfo */ #ifdef CONFIG_USE_IRQ sub r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ) #endif sub sp, r0, #12 /* leave 3 words for abort-stack */ clear_bss: - ldr r0, _bss_start /* find start of bss segment */ - ldr r1, _bss_end /* stop here */ - mov r2, #0x00000000 /* clear */ + ldr r0, _bss_start /* find start of bss segment */ + ldr r1, _bss_end /* stop here */ + mov r2, #0x00000000 /* clear */ -clbss_l:str r2, [r0] /* clear loop... */ +clbss_l:str r2, [r0] /* clear loop... */ add r0, r0, #4 cmp r0, r1 ble clbss_l @@ -173,8 +173,8 @@ _start_armboot: .word start_armboot #undef OWER #undef OIER #endif - -/* Interrupt-Controller base address */ + +/* Interrupt-Controller base address */ IC_BASE: .word 0x40d00000 #define ICMR 0x04 @@ -189,7 +189,7 @@ OSTIMER_BASE: .word 0x40a00000 #define OWER 0x18 #define OIER 0x1C -/* Clock Manager Registers */ +/* Clock Manager Registers */ #ifdef CFG_CPUSPEED CC_BASE: .word 0x41300000 #define CCCR 0x00 @@ -197,7 +197,6 @@ cpuspeed: .word CFG_CPUSPEED #else #error "You have to define CFG_CPUSPEED!!" #endif - /* takes care the CP15 update has taken place */ .macro CPWAIT reg @@ -206,40 +205,36 @@ cpuspeed: .word CFG_CPUSPEED sub pc,pc,#4 .endm - cpu_init_crit: /* mask all IRQs */ #ifndef CONFIG_CPU_MONAHANS - ldr r0, IC_BASE mov r1, #0x00 str r1, [r0, #ICMR] #else /* Step 1 - Enable CP6 permission */ - mrc p15, 0, r1, c15, c1, 0 @ read CPAR - orr r1, r1, #0x40 - mcr p15, 0, r1, c15, c1, 0 - CPWAIT r1 + mrc p15, 0, r1, c15, c1, 0 @ read CPAR + orr r1, r1, #0x40 + mcr p15, 0, r1, c15, c1, 0 + CPWAIT r1 - /* Step 2 - Mask ICMR & ICMR2 */ - mov r1, #0 - mcr p6, 0, r1, c1, c0, 0 @ ICMR - mcr p6, 0, r1, c7, c0, 0 @ ICMR2 + /* Step 2 - Mask ICMR & ICMR2 */ + mov r1, #0 + mcr p6, 0, r1, c1, c0, 0 @ ICMR + mcr p6, 0, r1, c7, c0, 0 @ ICMR2 /* turn off all clocks but the ones we will definitly require */ - ldr r1, =CKENA - ldr r2, =(CKENA_22_FFUART | CKENA_10_SRAM | CKENA_9_SMC | CKENA_8_DMC) - str r2, [r1] - ldr r1, =CKENB - ldr r2, =(CKENB_6_IRQ) - str r2, [r1] - + ldr r1, =CKENA + ldr r2, =(CKENA_22_FFUART | CKENA_10_SRAM | CKENA_9_SMC | CKENA_8_DMC) + str r2, [r1] + ldr r1, =CKENB + ldr r2, =(CKENB_6_IRQ) + str r2, [r1] #endif #ifndef CONFIG_CPU_MONAHANS #ifdef CFG_CPUSPEED - /* set clock speed tbd@mk: required for monahans? */ ldr r0, CC_BASE ldr r1, cpuspeed @@ -248,10 +243,9 @@ cpu_init_crit: mcr p14, 0, r0, c6, c0, 0 setspeed_done: - + #endif /* CFG_CPUSPEED */ #endif /* CONFIG_CPU_MONAHANS */ - /* * before relocating, we have to setup RAM timing @@ -263,7 +257,7 @@ setspeed_done: mov lr, ip /* Memory interfaces are working. Disable MMU and enable I-cache. */ - /* mk: hmm, this is not in the monahans docs, leave it now but + /* mk: hmm, this is not in the monahans docs, leave it now but * check here if it doesn't work :-) */ ldr r0, =0x2001 /* enable access to all coproc. */ @@ -330,7 +324,7 @@ setspeed_done: ldr r2, _armboot_start sub r2, r2, #(CONFIG_STACKSIZE+CFG_MALLOC_LEN) - sub r2, r2, #(CFG_GBL_DATA_SIZE+8) @ set base 2 words into abort stack + sub r2, r2, #(CFG_GBL_DATA_SIZE+8) @ set base 2 words into abort stack ldmia r2, {r2 - r4} /* get pc, cpsr, old_r0 */ add r0, sp, #S_FRAME_SIZE /* restore sp_SVC */ @@ -457,17 +451,17 @@ fiq: #endif /****************************************************************************/ -/* */ +/* */ /* Reset function: the PXA250 doesn't have a reset function, so we have to */ -/* perform a watchdog timeout for a soft reset. */ -/* */ +/* perform a watchdog timeout for a soft reset. */ +/* */ /****************************************************************************/ .align 5 .globl reset_cpu - /* FIXME: this code is PXA250 specific. How is this handled on */ - /* other XScale processors? */ + /* FIXME: this code is PXA250 specific. How is this handled on */ + /* other XScale processors? */ reset_cpu: @@ -475,13 +469,13 @@ reset_cpu: ldr r0, OSTIMER_BASE ldr r1, [r0, #OWER] - orr r1, r1, #0x0001 /* bit0: WME */ + orr r1, r1, #0x0001 /* bit0: WME */ str r1, [r0, #OWER] /* OS timer does only wrap every 1165 seconds, so we have to set */ - /* the match register as well. */ + /* the match register as well. */ - ldr r1, [r0, #OSCR] /* read OS timer */ + ldr r1, [r0, #OSCR] /* read OS timer */ add r1, r1, #0x800 /* let OSMR3 match after */ add r1, r1, #0x800 /* 4096*(1/3.6864MHz)=1ms */ str r1, [r0, #OSMR3] diff --git a/doc/README.nand b/doc/README.nand index 0f2bdc5..f2d6a5b 100644 --- a/doc/README.nand +++ b/doc/README.nand @@ -1,5 +1,9 @@ NAND FLASH commands and notes + +See NOTE below!!! + + # (C) Copyright 2003 # Dave Ellis, SIXNET, dge@sixnetio.com # @@ -173,3 +177,33 @@ More Definitions: #define NAND_ChipID_UNKNOWN 0x00 #define NAND_MAX_FLOORS 1 #define NAND_MAX_CHIPS 1 + + +NOTE: +===== + +We now use a complete rewrite of the NAND code based on what is in +2.6.12 Linux kernel. + +The old NAND handling code has been re-factored and is now confined +to only board-specific files and - unfortunately - to the DoC code +(see below). A new configuration variable has been introduced: +CFG_NAND_LEGACY, which has to be defined in the board config file if +that board uses legacy code. If CFG_NAND_LEGACY is defined, the board +specific config.mk file should also have "BOARDLIBS = +drivers/nand_legacy/libnand_legacy.a". For boards using the new NAND +approach (PPChameleon and netstar at the moment) no variable is +necessary, but the config.mk should have "BOARDLIBS = +drivers/nand/libnand.a". + +The necessary changes have been made to all affected boards, and no +build breakage has been introduced, except for NETTA and NETTA_ISDN +targets from MAKEALL. This is due to the fact that these two boards +use JFFS, which has been adopted to use the new NAND, and at the same +time use NAND in legacy mode. The breakage will disappear when the +board-specific code is changed to the new NAND. + +As mentioned above, the legacy code is still used by the DoC subsystem. +The consequence of this is that the legacy NAND can't be removed from +the tree until the DoC is ported to use the new NAND support (or boards +with DoC will break). diff --git a/drivers/cfi_flash.c b/drivers/cfi_flash.c index 4b7a110..ff4d85f 100644 --- a/drivers/cfi_flash.c +++ b/drivers/cfi_flash.c @@ -104,12 +104,15 @@ #define AMD_CMD_ERASE_SECTOR 0x30 #define AMD_CMD_UNLOCK_START 0xAA #define AMD_CMD_UNLOCK_ACK 0x55 +#define AMD_CMD_WRITE_TO_BUFFER 0x25 +#define AMD_CMD_WRITE_BUFFER_CONFIRM 0x29 #define AMD_STATUS_TOGGLE 0x40 #define AMD_STATUS_ERROR 0x20 -#define AMD_ADDR_ERASE_START 0x555 -#define AMD_ADDR_START 0x555 -#define AMD_ADDR_ACK 0x2AA + +#define AMD_ADDR_ERASE_START ((info->portwidth == FLASH_CFI_8BIT) ? 0xAAA : 0x555) +#define AMD_ADDR_START ((info->portwidth == FLASH_CFI_8BIT) ? 0xAAA : 0x555) +#define AMD_ADDR_ACK ((info->portwidth == FLASH_CFI_8BIT) ? 0x555 : 0x2AA) #define FLASH_OFFSET_CFI 0x55 #define FLASH_OFFSET_CFI_RESP 0x10 @@ -175,6 +178,13 @@ static ulong bank_base[CFG_MAX_FLASH_BANKS] = CFG_FLASH_BANKS_LIST; flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* FLASH chips info */ #endif +/* + * Check if chip width is defined. If not, start detecting with 8bit. + */ +#ifndef CFG_FLASH_CFI_WIDTH +#define CFG_FLASH_CFI_WIDTH FLASH_CFI_8BIT +#endif + /*----------------------------------------------------------------------- * Functions @@ -190,10 +200,10 @@ static int flash_isequal (flash_info_t * info, flash_sect_t sect, uint offset, u static int flash_isset (flash_info_t * info, flash_sect_t sect, uint offset, uchar cmd); static int flash_toggle (flash_info_t * info, flash_sect_t sect, uint offset, uchar cmd); static int flash_detect_cfi (flash_info_t * info); -ulong flash_get_size (ulong base, int banknum); static int flash_write_cfiword (flash_info_t * info, ulong dest, cfiword_t cword); static int flash_full_status_check (flash_info_t * info, flash_sect_t sector, ulong tout, char *prompt); +ulong flash_get_size (ulong base, int banknum); #if defined(CFG_ENV_IS_IN_FLASH) || defined(CFG_ENV_ADDR_REDUND) || (CFG_MONITOR_BASE >= CFG_FLASH_BASE) static flash_info_t *flash_get_info(ulong base); #endif @@ -328,6 +338,7 @@ ulong flash_read_long (flash_info_t * info, flash_sect_t sect, uint offset) return retval; } + /*----------------------------------------------------------------------- */ unsigned long flash_init (void) @@ -345,6 +356,24 @@ unsigned long flash_init (void) i, flash_info[i].size, flash_info[i].size << 20); #endif /* CFG_FLASH_QUIET_TEST */ } +#ifdef CFG_FLASH_PROTECTION + else { + char *s = getenv("unlock"); + + if (((s = getenv("unlock")) != NULL) && (strcmp(s, "yes") == 0)) { + /* + * Only the U-Boot image and it's environment is protected, + * all other sectors are unprotected (unlocked) if flash + * hardware protection is used (CFG_FLASH_PROTECTION) and + * the environment variable "unlock" is set to "yes". + */ + flash_protect (FLAG_PROTECT_CLEAR, + flash_info[i].start[0], + flash_info[i].start[0] + flash_info[i].size - 1, + &flash_info[i]); + } + } +#endif /* CFG_FLASH_PROTECTION */ } /* Monitor protection ON by default */ @@ -565,7 +594,22 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) buffered_size = (info->portwidth / info->chipwidth); buffered_size *= info->buffer_size; while (cnt >= info->portwidth) { - i = buffered_size > cnt ? cnt : buffered_size; + /* prohibit buffer write when buffer_size is 1 */ + if (info->buffer_size == 1) { + cword.l = 0; + for (i = 0; i < info->portwidth; i++) + flash_add_byte (info, &cword, *src++); + if ((rc = flash_write_cfiword (info, wp, cword)) != 0) + return rc; + wp += info->portwidth; + cnt -= info->portwidth; + continue; + } + + /* write buffer until next buffered_size aligned boundary */ + i = buffered_size - (wp % buffered_size); + if (i > cnt) + i = cnt; if ((rc = flash_write_cfibuffer (info, wp, src, i)) != ERR_OK) return rc; i -= i & (info->portwidth - 1); @@ -705,7 +749,7 @@ static int flash_status_check (flash_info_t * info, flash_sect_t sector, /* Wait for command completion */ start = get_timer (0); while (flash_is_busy (info, sector)) { - if (get_timer (start) > info->erase_blk_tout * CFG_HZ) { + if (get_timer (start) > tout) { printf ("Flash %s timeout at address %lx data %lx\n", prompt, info->start[sector], flash_read_long (info, sector, 0)); @@ -729,7 +773,7 @@ static int flash_full_status_check (flash_info_t * info, flash_sect_t sector, switch (info->vendor) { case CFI_CMDSET_INTEL_EXTENDED: case CFI_CMDSET_INTEL_STANDARD: - if ((retcode != ERR_OK) + if ((retcode == ERR_OK) && !flash_isequal (info, sector, 0, FLASH_STATUS_DONE)) { retcode = ERR_INVAL; printf ("Flash %s error at address %lx\n", prompt, @@ -985,7 +1029,7 @@ static int flash_detect_cfi (flash_info_t * info) { debug ("flash detect cfi\n"); - for (info->portwidth = FLASH_CFI_8BIT; + for (info->portwidth = CFG_FLASH_CFI_WIDTH; info->portwidth <= FLASH_CFI_64BIT; info->portwidth <<= 1) { for (info->chipwidth = FLASH_CFI_BY8; info->chipwidth <= info->portwidth; @@ -1106,8 +1150,9 @@ ulong flash_get_size (ulong base, int banknum) info->erase_blk_tout = (tmp * (1 << flash_read_uchar (info, FLASH_OFFSET_EMAX_TOUT))); tmp = 1 << flash_read_uchar (info, FLASH_OFFSET_WBTOUT); info->buffer_write_tout = (tmp * (1 << flash_read_uchar (info, FLASH_OFFSET_WBMAX_TOUT))); - tmp = 1 << flash_read_uchar (info, FLASH_OFFSET_WTOUT); - info->write_tout = (tmp * (1 << flash_read_uchar (info, FLASH_OFFSET_WMAX_TOUT))) / 1000; + tmp = (1 << flash_read_uchar (info, FLASH_OFFSET_WTOUT)) * + (1 << flash_read_uchar (info, FLASH_OFFSET_WMAX_TOUT)); + info->write_tout = tmp / 1000 + (tmp % 1000 ? 1 : 0); /* round up when converting to ms */ info->flash_id = FLASH_MAN_CFI; if ((info->interface == FLASH_CFI_X8X16) && (info->chipwidth == FLASH_CFI_BY8)) { info->portwidth >>= 1; /* XXX - Need to test on x8/x16 in parallel. */ @@ -1118,13 +1163,26 @@ ulong flash_get_size (ulong base, int banknum) return (info->size); } +/* loop through the sectors from the highest address + * when the passed address is greater or equal to the sector address + * we have a match + */ +static flash_sect_t find_sector (flash_info_t * info, ulong addr) +{ + flash_sect_t sector; + + for (sector = info->sector_count - 1; sector >= 0; sector--) { + if (addr >= info->start[sector]) + break; + } + return sector; +} /*----------------------------------------------------------------------- */ static int flash_write_cfiword (flash_info_t * info, ulong dest, cfiword_t cword) { - cfiptr_t ctladdr; cfiptr_t cptr; int flag; @@ -1188,26 +1246,12 @@ static int flash_write_cfiword (flash_info_t * info, ulong dest, if (flag) enable_interrupts (); - return flash_full_status_check (info, 0, info->write_tout, "write"); + return flash_full_status_check (info, find_sector (info, dest), + info->write_tout, "write"); } #ifdef CFG_FLASH_USE_BUFFER_WRITE -/* loop through the sectors from the highest address - * when the passed address is greater or equal to the sector address - * we have a match - */ -static flash_sect_t find_sector (flash_info_t * info, ulong addr) -{ - flash_sect_t sector; - - for (sector = info->sector_count - 1; sector >= 0; sector--) { - if (addr >= info->start[sector]) - break; - } - return sector; -} - static int flash_write_cfibuffer (flash_info_t * info, ulong dest, uchar * cp, int len) { @@ -1216,66 +1260,106 @@ static int flash_write_cfibuffer (flash_info_t * info, ulong dest, uchar * cp, int retcode; volatile cfiptr_t src; volatile cfiptr_t dst; - /* buffered writes in the AMD chip set is not supported yet */ - if((info->vendor == CFI_CMDSET_AMD_STANDARD) || - (info->vendor == CFI_CMDSET_AMD_EXTENDED)) - return ERR_INVAL; - src.cp = cp; - dst.cp = (uchar *) dest; - sector = find_sector (info, dest); - flash_write_cmd (info, sector, 0, FLASH_CMD_CLEAR_STATUS); - flash_write_cmd (info, sector, 0, FLASH_CMD_WRITE_TO_BUFFER); - if ((retcode = - flash_status_check (info, sector, info->buffer_write_tout, - "write to buffer")) == ERR_OK) { - /* reduce the number of loops by the width of the port */ + switch (info->vendor) { + case CFI_CMDSET_INTEL_STANDARD: + case CFI_CMDSET_INTEL_EXTENDED: + src.cp = cp; + dst.cp = (uchar *) dest; + sector = find_sector (info, dest); + flash_write_cmd (info, sector, 0, FLASH_CMD_CLEAR_STATUS); + flash_write_cmd (info, sector, 0, FLASH_CMD_WRITE_TO_BUFFER); + if ((retcode = flash_status_check (info, sector, info->buffer_write_tout, + "write to buffer")) == ERR_OK) { + /* reduce the number of loops by the width of the port */ + switch (info->portwidth) { + case FLASH_CFI_8BIT: + cnt = len; + break; + case FLASH_CFI_16BIT: + cnt = len >> 1; + break; + case FLASH_CFI_32BIT: + cnt = len >> 2; + break; + case FLASH_CFI_64BIT: + cnt = len >> 3; + break; + default: + return ERR_INVAL; + break; + } + flash_write_cmd (info, sector, 0, (uchar) cnt - 1); + while (cnt-- > 0) { + switch (info->portwidth) { + case FLASH_CFI_8BIT: + *dst.cp++ = *src.cp++; + break; + case FLASH_CFI_16BIT: + *dst.wp++ = *src.wp++; + break; + case FLASH_CFI_32BIT: + *dst.lp++ = *src.lp++; + break; + case FLASH_CFI_64BIT: + *dst.llp++ = *src.llp++; + break; + default: + return ERR_INVAL; + break; + } + } + flash_write_cmd (info, sector, 0, + FLASH_CMD_WRITE_BUFFER_CONFIRM); + retcode = flash_full_status_check (info, sector, + info->buffer_write_tout, + "buffer write"); + } + return retcode; + + case CFI_CMDSET_AMD_STANDARD: + case CFI_CMDSET_AMD_EXTENDED: + src.cp = cp; + dst.cp = (uchar *) dest; + sector = find_sector (info, dest); + + flash_unlock_seq(info,0); + flash_write_cmd (info, sector, 0, AMD_CMD_WRITE_TO_BUFFER); + switch (info->portwidth) { case FLASH_CFI_8BIT: cnt = len; + flash_write_cmd (info, sector, 0, (uchar) cnt - 1); + while (cnt-- > 0) *dst.cp++ = *src.cp++; break; case FLASH_CFI_16BIT: cnt = len >> 1; + flash_write_cmd (info, sector, 0, (uchar) cnt - 1); + while (cnt-- > 0) *dst.wp++ = *src.wp++; break; case FLASH_CFI_32BIT: cnt = len >> 2; + flash_write_cmd (info, sector, 0, (uchar) cnt - 1); + while (cnt-- > 0) *dst.lp++ = *src.lp++; break; case FLASH_CFI_64BIT: cnt = len >> 3; + flash_write_cmd (info, sector, 0, (uchar) cnt - 1); + while (cnt-- > 0) *dst.llp++ = *src.llp++; break; default: return ERR_INVAL; - break; } - flash_write_cmd (info, sector, 0, (uchar) cnt - 1); - while (cnt-- > 0) { - switch (info->portwidth) { - case FLASH_CFI_8BIT: - *dst.cp++ = *src.cp++; - break; - case FLASH_CFI_16BIT: - *dst.wp++ = *src.wp++; - break; - case FLASH_CFI_32BIT: - *dst.lp++ = *src.lp++; - break; - case FLASH_CFI_64BIT: - *dst.llp++ = *src.llp++; - break; - default: - return ERR_INVAL; - break; - } - } - flash_write_cmd (info, sector, 0, - FLASH_CMD_WRITE_BUFFER_CONFIRM); - retcode = - flash_full_status_check (info, sector, - info->buffer_write_tout, - "buffer write"); + + flash_write_cmd (info, sector, 0, AMD_CMD_WRITE_BUFFER_CONFIRM); + retcode = flash_full_status_check (info, sector, info->buffer_write_tout, + "buffer write"); + return retcode; + + default: + debug ("Unknown Command Set\n"); + return ERR_INVAL; } - flash_write_cmd (info, sector, 0, FLASH_CMD_CLEAR_STATUS); - return retcode; } #endif /* CFG_FLASH_USE_BUFFER_WRITE */ #endif /* CFG_FLASH_CFI */ diff --git a/drivers/i8042.c b/drivers/i8042.c index 5f273a2..22c2a4e 100644 --- a/drivers/i8042.c +++ b/drivers/i8042.c @@ -12,7 +12,7 @@ * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License @@ -33,7 +33,7 @@ extern u8 gt_cpcidvi_in8(u32 offset); extern void gt_cpcidvi_out8(u32 offset, u8 data); -#define in8(a) gt_cpcidvi_in8(a) +#define in8(a) gt_cpcidvi_in8(a) #define out8(a, b) gt_cpcidvi_out8(a,b) #endif @@ -49,10 +49,10 @@ static int cursor_state = 0; /* locals */ -static int kbd_input = -1; /* no input yet */ -static int kbd_mapping = KBD_US; /* default US keyboard */ -static int kbd_flags = NORMAL; /* after reset */ -static int kbd_state = 0; /* unshift code */ +static int kbd_input = -1; /* no input yet */ +static int kbd_mapping = KBD_US; /* default US keyboard */ +static int kbd_flags = NORMAL; /* after reset */ +static int kbd_state = 0; /* unshift code */ static void kbd_conv_char (unsigned char scan_code); static void kbd_led_set (void); @@ -68,230 +68,230 @@ static int kbd_reset (void); static unsigned char kbd_fct_map [144] = { /* kbd_fct_map table for scan code */ - 0, AS, AS, AS, AS, AS, AS, AS, /* scan 0- 7 */ - AS, AS, AS, AS, AS, AS, AS, AS, /* scan 8- F */ - AS, AS, AS, AS, AS, AS, AS, AS, /* scan 10-17 */ - AS, AS, AS, AS, AS, CN, AS, AS, /* scan 18-1F */ - AS, AS, AS, AS, AS, AS, AS, AS, /* scan 20-27 */ - AS, AS, SH, AS, AS, AS, AS, AS, /* scan 28-2F */ - AS, AS, AS, AS, AS, AS, SH, AS, /* scan 30-37 */ - AS, AS, CP, 0, 0, 0, 0, 0, /* scan 38-3F */ - 0, 0, 0, 0, 0, NM, ST, ES, /* scan 40-47 */ - ES, ES, ES, ES, ES, ES, ES, ES, /* scan 48-4F */ - ES, ES, ES, ES, 0, 0, AS, 0, /* scan 50-57 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */ - AS, 0, 0, AS, 0, 0, AS, 0, /* scan 70-77 */ - 0, AS, 0, 0, 0, AS, 0, 0, /* scan 78-7F */ - AS, CN, AS, AS, AK, ST, EX, EX, /* enhanced */ - AS, EX, EX, AS, EX, AS, EX, EX /* enhanced */ + 0, AS, AS, AS, AS, AS, AS, AS, /* scan 0- 7 */ + AS, AS, AS, AS, AS, AS, AS, AS, /* scan 8- F */ + AS, AS, AS, AS, AS, AS, AS, AS, /* scan 10-17 */ + AS, AS, AS, AS, AS, CN, AS, AS, /* scan 18-1F */ + AS, AS, AS, AS, AS, AS, AS, AS, /* scan 20-27 */ + AS, AS, SH, AS, AS, AS, AS, AS, /* scan 28-2F */ + AS, AS, AS, AS, AS, AS, SH, AS, /* scan 30-37 */ + AS, AS, CP, 0, 0, 0, 0, 0, /* scan 38-3F */ + 0, 0, 0, 0, 0, NM, ST, ES, /* scan 40-47 */ + ES, ES, ES, ES, ES, ES, ES, ES, /* scan 48-4F */ + ES, ES, ES, ES, 0, 0, AS, 0, /* scan 50-57 */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */ + AS, 0, 0, AS, 0, 0, AS, 0, /* scan 70-77 */ + 0, AS, 0, 0, 0, AS, 0, 0, /* scan 78-7F */ + AS, CN, AS, AS, AK, ST, EX, EX, /* enhanced */ + AS, EX, EX, AS, EX, AS, EX, EX /* enhanced */ }; static unsigned char kbd_key_map [2][5][144] = { { /* US keyboard */ { /* unshift code */ - 0, 0x1b, '1', '2', '3', '4', '5', '6', /* scan 0- 7 */ - '7', '8', '9', '0', '-', '=', 0x08, '\t', /* scan 8- F */ - 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', /* scan 10-17 */ - 'o', 'p', '[', ']', '\r', CN, 'a', 's', /* scan 18-1F */ - 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', /* scan 20-27 */ - '\'', '`', SH, '\\', 'z', 'x', 'c', 'v', /* scan 28-2F */ - 'b', 'n', 'm', ',', '.', '/', SH, '*', /* scan 30-37 */ - ' ', ' ', CP, 0, 0, 0, 0, 0, /* scan 38-3F */ - 0, 0, 0, 0, 0, NM, ST, '7', /* scan 40-47 */ - '8', '9', '-', '4', '5', '6', '+', '1', /* scan 48-4F */ - '2', '3', '0', '.', 0, 0, 0, 0, /* scan 50-57 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 70-77 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 78-7F */ - '\r', CN, '/', '*', ' ', ST, 'F', 'A', /* extended */ - 0, 'D', 'C', 0, 'B', 0, '@', 'P' /* extended */ + 0, 0x1b, '1', '2', '3', '4', '5', '6', /* scan 0- 7 */ + '7', '8', '9', '0', '-', '=', 0x08, '\t', /* scan 8- F */ + 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', /* scan 10-17 */ + 'o', 'p', '[', ']', '\r', CN, 'a', 's', /* scan 18-1F */ + 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', /* scan 20-27 */ + '\'', '`', SH, '\\', 'z', 'x', 'c', 'v', /* scan 28-2F */ + 'b', 'n', 'm', ',', '.', '/', SH, '*', /* scan 30-37 */ + ' ', ' ', CP, 0, 0, 0, 0, 0, /* scan 38-3F */ + 0, 0, 0, 0, 0, NM, ST, '7', /* scan 40-47 */ + '8', '9', '-', '4', '5', '6', '+', '1', /* scan 48-4F */ + '2', '3', '0', '.', 0, 0, 0, 0, /* scan 50-57 */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 70-77 */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 78-7F */ + '\r', CN, '/', '*', ' ', ST, 'F', 'A', /* extended */ + 0, 'D', 'C', 0, 'B', 0, '@', 'P' /* extended */ }, { /* shift code */ - 0, 0x1b, '!', '@', '#', '$', '%', '^', /* scan 0- 7 */ - '&', '*', '(', ')', '_', '+', 0x08, '\t', /* scan 8- F */ - 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', /* scan 10-17 */ - 'O', 'P', '{', '}', '\r', CN, 'A', 'S', /* scan 18-1F */ - 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', /* scan 20-27 */ - '"', '~', SH, '|', 'Z', 'X', 'C', 'V', /* scan 28-2F */ - 'B', 'N', 'M', '<', '>', '?', SH, '*', /* scan 30-37 */ - ' ', ' ', CP, 0, 0, 0, 0, 0, /* scan 38-3F */ - 0, 0, 0, 0, 0, NM, ST, '7', /* scan 40-47 */ - '8', '9', '-', '4', '5', '6', '+', '1', /* scan 48-4F */ - '2', '3', '0', '.', 0, 0, 0, 0, /* scan 50-57 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 70-77 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 78-7F */ - '\r', CN, '/', '*', ' ', ST, 'F', 'A', /* extended */ - 0, 'D', 'C', 0, 'B', 0, '@', 'P' /* extended */ + 0, 0x1b, '!', '@', '#', '$', '%', '^', /* scan 0- 7 */ + '&', '*', '(', ')', '_', '+', 0x08, '\t', /* scan 8- F */ + 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', /* scan 10-17 */ + 'O', 'P', '{', '}', '\r', CN, 'A', 'S', /* scan 18-1F */ + 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', /* scan 20-27 */ + '"', '~', SH, '|', 'Z', 'X', 'C', 'V', /* scan 28-2F */ + 'B', 'N', 'M', '<', '>', '?', SH, '*', /* scan 30-37 */ + ' ', ' ', CP, 0, 0, 0, 0, 0, /* scan 38-3F */ + 0, 0, 0, 0, 0, NM, ST, '7', /* scan 40-47 */ + '8', '9', '-', '4', '5', '6', '+', '1', /* scan 48-4F */ + '2', '3', '0', '.', 0, 0, 0, 0, /* scan 50-57 */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 70-77 */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 78-7F */ + '\r', CN, '/', '*', ' ', ST, 'F', 'A', /* extended */ + 0, 'D', 'C', 0, 'B', 0, '@', 'P' /* extended */ }, { /* control code */ - 0xff, 0x1b, 0xff, 0x00, 0xff, 0xff, 0xff, 0xff, /* scan 0- 7 */ - 0x1e, 0xff, 0xff, 0xff, 0x1f, 0xff, 0xff, '\t', /* scan 8- F */ - 0x11, 0x17, 0x05, 0x12, 0x14, 0x19, 0x15, 0x09, /* scan 10-17 */ - 0x0f, 0x10, 0x1b, 0x1d, '\r', CN, 0x01, 0x13, /* scan 18-1F */ - 0x04, 0x06, 0x07, 0x08, 0x0a, 0x0b, 0x0c, 0xff, /* scan 20-27 */ - 0xff, 0x1c, SH, 0xff, 0x1a, 0x18, 0x03, 0x16, /* scan 28-2F */ - 0x02, 0x0e, 0x0d, 0xff, 0xff, 0xff, SH, 0xff, /* scan 30-37 */ - 0xff, 0xff, CP, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 38-3F */ - 0xff, 0xff, 0xff, 0xff, 0xff, NM, ST, 0xff, /* scan 40-47 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 48-4F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 50-57 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 58-5F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 60-67 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 68-6F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 70-77 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 78-7F */ - '\r', CN, '/', '*', ' ', ST, 0xff, 0xff, /* extended */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff /* extended */ + 0xff, 0x1b, 0xff, 0x00, 0xff, 0xff, 0xff, 0xff, /* scan 0- 7 */ + 0x1e, 0xff, 0xff, 0xff, 0x1f, 0xff, 0xff, '\t', /* scan 8- F */ + 0x11, 0x17, 0x05, 0x12, 0x14, 0x19, 0x15, 0x09, /* scan 10-17 */ + 0x0f, 0x10, 0x1b, 0x1d, '\r', CN, 0x01, 0x13, /* scan 18-1F */ + 0x04, 0x06, 0x07, 0x08, 0x0a, 0x0b, 0x0c, 0xff, /* scan 20-27 */ + 0xff, 0x1c, SH, 0xff, 0x1a, 0x18, 0x03, 0x16, /* scan 28-2F */ + 0x02, 0x0e, 0x0d, 0xff, 0xff, 0xff, SH, 0xff, /* scan 30-37 */ + 0xff, 0xff, CP, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 38-3F */ + 0xff, 0xff, 0xff, 0xff, 0xff, NM, ST, 0xff, /* scan 40-47 */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 48-4F */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 50-57 */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 58-5F */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 60-67 */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 68-6F */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 70-77 */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 78-7F */ + '\r', CN, '/', '*', ' ', ST, 0xff, 0xff, /* extended */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff /* extended */ }, { /* non numeric code */ - 0, 0x1b, '1', '2', '3', '4', '5', '6', /* scan 0- 7 */ - '7', '8', '9', '0', '-', '=', 0x08, '\t', /* scan 8- F */ - 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', /* scan 10-17 */ - 'o', 'p', '[', ']', '\r', CN, 'a', 's', /* scan 18-1F */ - 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', /* scan 20-27 */ - '\'', '`', SH, '\\', 'z', 'x', 'c', 'v', /* scan 28-2F */ - 'b', 'n', 'm', ',', '.', '/', SH, '*', /* scan 30-37 */ - ' ', ' ', CP, 0, 0, 0, 0, 0, /* scan 38-3F */ - 0, 0, 0, 0, 0, NM, ST, 'w', /* scan 40-47 */ - 'x', 'y', 'l', 't', 'u', 'v', 'm', 'q', /* scan 48-4F */ - 'r', 's', 'p', 'n', 0, 0, 0, 0, /* scan 50-57 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 70-77 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 78-7F */ - '\r', CN, '/', '*', ' ', ST, 'F', 'A', /* extended */ - 0, 'D', 'C', 0, 'B', 0, '@', 'P' /* extended */ + 0, 0x1b, '1', '2', '3', '4', '5', '6', /* scan 0- 7 */ + '7', '8', '9', '0', '-', '=', 0x08, '\t', /* scan 8- F */ + 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', /* scan 10-17 */ + 'o', 'p', '[', ']', '\r', CN, 'a', 's', /* scan 18-1F */ + 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', /* scan 20-27 */ + '\'', '`', SH, '\\', 'z', 'x', 'c', 'v', /* scan 28-2F */ + 'b', 'n', 'm', ',', '.', '/', SH, '*', /* scan 30-37 */ + ' ', ' ', CP, 0, 0, 0, 0, 0, /* scan 38-3F */ + 0, 0, 0, 0, 0, NM, ST, 'w', /* scan 40-47 */ + 'x', 'y', 'l', 't', 'u', 'v', 'm', 'q', /* scan 48-4F */ + 'r', 's', 'p', 'n', 0, 0, 0, 0, /* scan 50-57 */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 70-77 */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 78-7F */ + '\r', CN, '/', '*', ' ', ST, 'F', 'A', /* extended */ + 0, 'D', 'C', 0, 'B', 0, '@', 'P' /* extended */ }, { /* right alt mode - not used in US keyboard */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 0 - 7 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 8 - F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 10 -17 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 18 -1F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 20 -27 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 28 -2F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 30 -37 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 38 -3F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 40 -47 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 48 -4F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 50 -57 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 58 -5F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 60 -67 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 68 -6F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 70 -77 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 78 -7F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* extended */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff /* extended */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 0 - 7 */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 8 - F */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 10 -17 */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 18 -1F */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 20 -27 */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 28 -2F */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 30 -37 */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 38 -3F */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 40 -47 */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 48 -4F */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 50 -57 */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 58 -5F */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 60 -67 */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 68 -6F */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 70 -77 */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 78 -7F */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* extended */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff /* extended */ } }, { /* german keyboard */ { /* unshift code */ - 0, 0x1b, '1', '2', '3', '4', '5', '6', /* scan 0- 7 */ - '7', '8', '9', '0', 0xe1, '\'', 0x08, '\t', /* scan 8- F */ - 'q', 'w', 'e', 'r', 't', 'z', 'u', 'i', /* scan 10-17 */ - 'o', 'p', 0x81, '+', '\r', CN, 'a', 's', /* scan 18-1F */ - 'd', 'f', 'g', 'h', 'j', 'k', 'l', 0x94, /* scan 20-27 */ - 0x84, '^', SH, '#', 'y', 'x', 'c', 'v', /* scan 28-2F */ - 'b', 'n', 'm', ',', '.', '-', SH, '*', /* scan 30-37 */ - ' ', ' ', CP, 0, 0, 0, 0, 0, /* scan 38-3F */ - 0, 0, 0, 0, 0, NM, ST, '7', /* scan 40-47 */ - '8', '9', '-', '4', '5', '6', '+', '1', /* scan 48-4F */ - '2', '3', '0', ',', 0, 0, '<', 0, /* scan 50-57 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 70-77 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 78-7F */ - '\r', CN, '/', '*', ' ', ST, 'F', 'A', /* extended */ - 0, 'D', 'C', 0, 'B', 0, '@', 'P' /* extended */ + 0, 0x1b, '1', '2', '3', '4', '5', '6', /* scan 0- 7 */ + '7', '8', '9', '0', 0xe1, '\'', 0x08, '\t', /* scan 8- F */ + 'q', 'w', 'e', 'r', 't', 'z', 'u', 'i', /* scan 10-17 */ + 'o', 'p', 0x81, '+', '\r', CN, 'a', 's', /* scan 18-1F */ + 'd', 'f', 'g', 'h', 'j', 'k', 'l', 0x94, /* scan 20-27 */ + 0x84, '^', SH, '#', 'y', 'x', 'c', 'v', /* scan 28-2F */ + 'b', 'n', 'm', ',', '.', '-', SH, '*', /* scan 30-37 */ + ' ', ' ', CP, 0, 0, 0, 0, 0, /* scan 38-3F */ + 0, 0, 0, 0, 0, NM, ST, '7', /* scan 40-47 */ + '8', '9', '-', '4', '5', '6', '+', '1', /* scan 48-4F */ + '2', '3', '0', ',', 0, 0, '<', 0, /* scan 50-57 */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 70-77 */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 78-7F */ + '\r', CN, '/', '*', ' ', ST, 'F', 'A', /* extended */ + 0, 'D', 'C', 0, 'B', 0, '@', 'P' /* extended */ }, { /* shift code */ - 0, 0x1b, '!', '"', 0x15, '$', '%', '&', /* scan 0- 7 */ - '/', '(', ')', '=', '?', '`', 0x08, '\t', /* scan 8- F */ - 'Q', 'W', 'E', 'R', 'T', 'Z', 'U', 'I', /* scan 10-17 */ - 'O', 'P', 0x9a, '*', '\r', CN, 'A', 'S', /* scan 18-1F */ - 'D', 'F', 'G', 'H', 'J', 'K', 'L', 0x99, /* scan 20-27 */ - 0x8e, 0xf8, SH, '\'', 'Y', 'X', 'C', 'V', /* scan 28-2F */ - 'B', 'N', 'M', ';', ':', '_', SH, '*', /* scan 30-37 */ - ' ', ' ', CP, 0, 0, 0, 0, 0, /* scan 38-3F */ - 0, 0, 0, 0, 0, NM, ST, '7', /* scan 40-47 */ - '8', '9', '-', '4', '5', '6', '+', '1', /* scan 48-4F */ - '2', '3', '0', ',', 0, 0, '>', 0, /* scan 50-57 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 70-77 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 78-7F */ - '\r', CN, '/', '*', ' ', ST, 'F', 'A', /* extended */ - 0, 'D', 'C', 0, 'B', 0, '@', 'P' /* extended */ + 0, 0x1b, '!', '"', 0x15, '$', '%', '&', /* scan 0- 7 */ + '/', '(', ')', '=', '?', '`', 0x08, '\t', /* scan 8- F */ + 'Q', 'W', 'E', 'R', 'T', 'Z', 'U', 'I', /* scan 10-17 */ + 'O', 'P', 0x9a, '*', '\r', CN, 'A', 'S', /* scan 18-1F */ + 'D', 'F', 'G', 'H', 'J', 'K', 'L', 0x99, /* scan 20-27 */ + 0x8e, 0xf8, SH, '\'', 'Y', 'X', 'C', 'V', /* scan 28-2F */ + 'B', 'N', 'M', ';', ':', '_', SH, '*', /* scan 30-37 */ + ' ', ' ', CP, 0, 0, 0, 0, 0, /* scan 38-3F */ + 0, 0, 0, 0, 0, NM, ST, '7', /* scan 40-47 */ + '8', '9', '-', '4', '5', '6', '+', '1', /* scan 48-4F */ + '2', '3', '0', ',', 0, 0, '>', 0, /* scan 50-57 */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 70-77 */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 78-7F */ + '\r', CN, '/', '*', ' ', ST, 'F', 'A', /* extended */ + 0, 'D', 'C', 0, 'B', 0, '@', 'P' /* extended */ }, { /* control code */ - 0xff, 0x1b, 0xff, 0x00, 0xff, 0xff, 0xff, 0xff, /* scan 0- 7 */ - 0x1e, 0xff, 0xff, 0xff, 0x1f, 0xff, 0xff, '\t', /* scan 8- F */ - 0x11, 0x17, 0x05, 0x12, 0x14, 0x19, 0x15, 0x09, /* scan 10-17 */ - 0x0f, 0x10, 0x1b, 0x1d, '\r', CN, 0x01, 0x13, /* scan 18-1F */ - 0x04, 0x06, 0x07, 0x08, 0x0a, 0x0b, 0x0c, 0xff, /* scan 20-27 */ - 0xff, 0x1c, SH, 0xff, 0x1a, 0x18, 0x03, 0x16, /* scan 28-2F */ - 0x02, 0x0e, 0x0d, 0xff, 0xff, 0xff, SH, 0xff, /* scan 30-37 */ - 0xff, 0xff, CP, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 38-3F */ - 0xff, 0xff, 0xff, 0xff, 0xff, NM, ST, 0xff, /* scan 40-47 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 48-4F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 50-57 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 58-5F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 60-67 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 68-6F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 70-77 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 78-7F */ - '\r', CN, '/', '*', ' ', ST, 0xff, 0xff, /* extended */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff /* extended */ + 0xff, 0x1b, 0xff, 0x00, 0xff, 0xff, 0xff, 0xff, /* scan 0- 7 */ + 0x1e, 0xff, 0xff, 0xff, 0x1f, 0xff, 0xff, '\t', /* scan 8- F */ + 0x11, 0x17, 0x05, 0x12, 0x14, 0x19, 0x15, 0x09, /* scan 10-17 */ + 0x0f, 0x10, 0x1b, 0x1d, '\r', CN, 0x01, 0x13, /* scan 18-1F */ + 0x04, 0x06, 0x07, 0x08, 0x0a, 0x0b, 0x0c, 0xff, /* scan 20-27 */ + 0xff, 0x1c, SH, 0xff, 0x1a, 0x18, 0x03, 0x16, /* scan 28-2F */ + 0x02, 0x0e, 0x0d, 0xff, 0xff, 0xff, SH, 0xff, /* scan 30-37 */ + 0xff, 0xff, CP, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 38-3F */ + 0xff, 0xff, 0xff, 0xff, 0xff, NM, ST, 0xff, /* scan 40-47 */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 48-4F */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 50-57 */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 58-5F */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 60-67 */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 68-6F */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 70-77 */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 78-7F */ + '\r', CN, '/', '*', ' ', ST, 0xff, 0xff, /* extended */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff /* extended */ }, { /* non numeric code */ - 0, 0x1b, '1', '2', '3', '4', '5', '6', /* scan 0- 7 */ - '7', '8', '9', '0', 0xe1, '\'', 0x08, '\t', /* scan 8- F */ - 'q', 'w', 'e', 'r', 't', 'z', 'u', 'i', /* scan 10-17 */ - 'o', 'p', 0x81, '+', '\r', CN, 'a', 's', /* scan 18-1F */ - 'd', 'f', 'g', 'h', 'j', 'k', 'l', 0x94, /* scan 20-27 */ - 0x84, '^', SH, 0, 'y', 'x', 'c', 'v', /* scan 28-2F */ - 'b', 'n', 'm', ',', '.', '-', SH, '*', /* scan 30-37 */ - ' ', ' ', CP, 0, 0, 0, 0, 0, /* scan 38-3F */ - 0, 0, 0, 0, 0, NM, ST, 'w', /* scan 40-47 */ - 'x', 'y', 'l', 't', 'u', 'v', 'm', 'q', /* scan 48-4F */ - 'r', 's', 'p', 'n', 0, 0, '<', 0, /* scan 50-57 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 70-77 */ - 0, 0, 0, 0, 0, 0, 0, 0, /* scan 78-7F */ - '\r', CN, '/', '*', ' ', ST, 'F', 'A', /* extended */ - 0, 'D', 'C', 0, 'B', 0, '@', 'P' /* extended */ + 0, 0x1b, '1', '2', '3', '4', '5', '6', /* scan 0- 7 */ + '7', '8', '9', '0', 0xe1, '\'', 0x08, '\t', /* scan 8- F */ + 'q', 'w', 'e', 'r', 't', 'z', 'u', 'i', /* scan 10-17 */ + 'o', 'p', 0x81, '+', '\r', CN, 'a', 's', /* scan 18-1F */ + 'd', 'f', 'g', 'h', 'j', 'k', 'l', 0x94, /* scan 20-27 */ + 0x84, '^', SH, 0, 'y', 'x', 'c', 'v', /* scan 28-2F */ + 'b', 'n', 'm', ',', '.', '-', SH, '*', /* scan 30-37 */ + ' ', ' ', CP, 0, 0, 0, 0, 0, /* scan 38-3F */ + 0, 0, 0, 0, 0, NM, ST, 'w', /* scan 40-47 */ + 'x', 'y', 'l', 't', 'u', 'v', 'm', 'q', /* scan 48-4F */ + 'r', 's', 'p', 'n', 0, 0, '<', 0, /* scan 50-57 */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 58-5F */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 60-67 */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 68-6F */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 70-77 */ + 0, 0, 0, 0, 0, 0, 0, 0, /* scan 78-7F */ + '\r', CN, '/', '*', ' ', ST, 'F', 'A', /* extended */ + 0, 'D', 'C', 0, 'B', 0, '@', 'P' /* extended */ }, { /* Right alt mode - is used in German keyboard */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 0 - 7 */ - '{', '[', ']', '}', '\\', 0xff, 0xff, 0xff, /* scan 8 - F */ - '@', 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 10 -17 */ - 0xff, 0xff, 0xff, '~', 0xff, 0xff, 0xff, 0xff, /* scan 18 -1F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 20 -27 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 28 -2F */ - 0xff, 0xff, 0xe6, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 30 -37 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 38 -3F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 40 -47 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 48 -4F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, '|', 0xff, /* scan 50 -57 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 58 -5F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 60 -67 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 68 -6F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 70 -77 */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 78 -7F */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* extended */ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff /* extended */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 0 - 7 */ + '{', '[', ']', '}', '\\', 0xff, 0xff, 0xff, /* scan 8 - F */ + '@', 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 10 -17 */ + 0xff, 0xff, 0xff, '~', 0xff, 0xff, 0xff, 0xff, /* scan 18 -1F */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 20 -27 */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 28 -2F */ + 0xff, 0xff, 0xe6, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 30 -37 */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 38 -3F */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 40 -47 */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 48 -4F */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, '|', 0xff, /* scan 50 -57 */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 58 -5F */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 60 -67 */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 68 -6F */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 70 -77 */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* scan 78 -7F */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* extended */ + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff /* extended */ } } }; @@ -328,8 +328,8 @@ int i8042_kbd_init (void) #ifdef CONFIG_USE_CPCIDVI if ((penv = getenv ("console")) != NULL) { - if (strncmp (penv, "serial", 7) == 0) { - return -1; + if (strncmp (penv, "serial", 7) == 0) { + return -1; } } #endif @@ -345,9 +345,9 @@ int i8042_kbd_init (void) { if (kbd_reset() == 0) { - kbd_mapping = keymap; - kbd_flags = NORMAL; - kbd_state = 0; + kbd_mapping = keymap; + kbd_flags = NORMAL; + kbd_state = 0; kbd_led_set(); return 0; } @@ -359,7 +359,7 @@ int i8042_kbd_init (void) /******************************************************************************* * * i8042_tstc - test if keyboard input is available - * option: cursor blinking if called in a loop + * option: cursor blinking if called in a loop */ int i8042_tstc (void) { @@ -395,7 +395,7 @@ int i8042_tstc (void) /******************************************************************************* * * i8042_getc - wait till keyboard input is available - * option: turn on/off cursor while waiting + * option: turn on/off cursor while waiting */ int i8042_getc (void) { @@ -448,8 +448,8 @@ static void kbd_conv_char (unsigned char scan_code) { if (scan_code == 0xe1) { - kbd_flags ^= BRK; /* reset the break flag */ - kbd_flags ^= E1; /* bitwise EXOR with E1 flag */ + kbd_flags ^= BRK; /* reset the break flag */ + kbd_flags ^= E1; /* bitwise EXOR with E1 flag */ } return; } @@ -560,7 +560,7 @@ static void kbd_caps (unsigned char scan_code) if ((kbd_flags & BRK) == NORMAL) { kbd_flags ^= CAPS; - kbd_led_set (); /* update keyboard LED */ + kbd_led_set (); /* update keyboard LED */ } } @@ -573,7 +573,7 @@ static void kbd_num (unsigned char scan_code) { kbd_flags ^= NUM; kbd_state = (kbd_flags & NUM) ? AS : NM; - kbd_led_set (); /* update keyboard LED */ + kbd_led_set (); /* update keyboard LED */ } } @@ -585,7 +585,7 @@ static void kbd_scroll (unsigned char scan_code) if ((kbd_flags & BRK) == NORMAL) { kbd_flags ^= STP; - kbd_led_set (); /* update keyboard LED */ + kbd_led_set (); /* update keyboard LED */ if (kbd_flags & STP) kbd_input = 0x13; else @@ -615,9 +615,9 @@ static void kbd_alt (unsigned char scan_code) static void kbd_led_set (void) { kbd_input_empty(); - out8 (I8042_DATA_REG, 0xed); /* SET LED command */ + out8 (I8042_DATA_REG, 0xed); /* SET LED command */ kbd_input_empty(); - out8 (I8042_DATA_REG, (kbd_flags & 0x7)); /* LED bits only */ + out8 (I8042_DATA_REG, (kbd_flags & 0x7)); /* LED bits only */ } diff --git a/drivers/nand/diskonchip.c b/drivers/nand/diskonchip.c index 07e2549..afaae83 100644 --- a/drivers/nand/diskonchip.c +++ b/drivers/nand/diskonchip.c @@ -20,7 +20,11 @@ */ #include <common.h> -#ifdef CONFIG_NEW_NAND_CODE + +#ifdef CFG_NAND_LEGACY +#error CFG_NAND_LEGACY defined in a file not using the legacy NAND support! +#endif + #include <linux/kernel.h> #include <linux/init.h> #include <linux/sched.h> @@ -1782,4 +1786,3 @@ module_exit(cleanup_nanddoc); MODULE_LICENSE("GPL"); MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org>"); MODULE_DESCRIPTION("M-Systems DiskOnChip 2000, Millennium and Millennium Plus device driver\n"); -#endif /* CONFIG_NEW_NAND_CODE */ diff --git a/drivers/nand/nand.c b/drivers/nand/nand.c index bc85005..dd80026 100644 --- a/drivers/nand/nand.c +++ b/drivers/nand/nand.c @@ -23,7 +23,10 @@ #include <common.h> -#ifdef CONFIG_NEW_NAND_CODE +#ifdef CFG_NAND_LEGACY +#error CFG_NAND_LEGACY defined in a file not using the legacy NAND support! +#endif + #if (CONFIG_COMMANDS & CFG_CMD_NAND) #include <nand.h> @@ -72,5 +75,3 @@ void nand_init(void) } #endif -#endif /* CONFIG_NEW_NAND_CODE */ - diff --git a/drivers/nand/nand_base.c b/drivers/nand/nand_base.c index d6c84fb..d91d90b 100644 --- a/drivers/nand/nand_base.c +++ b/drivers/nand/nand_base.c @@ -71,7 +71,10 @@ #endif #include <common.h> -#ifdef CONFIG_NEW_NAND_CODE + +#ifdef CFG_NAND_LEGACY +#error CFG_NAND_LEGACY defined in a file not using the legacy NAND support! +#endif #if (CONFIG_COMMANDS & CFG_CMD_NAND) @@ -864,10 +867,10 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *this, int state) break; } } - - /* XXX nand device 1 on dave (PPChameleonEVB) needs more time */ +#ifdef PPCHAMELON_NAND_TIMER_HACK reset_timer(); while (get_timer(0) < 10); +#endif /* PPCHAMELON_NAND_TIMER_HACK */ return this->read_byte(mtd); } @@ -2663,5 +2666,3 @@ void nand_release (struct mtd_info *mtd) } #endif -#endif /* CONFIG_NEW_NAND_CODE */ - diff --git a/drivers/nand/nand_bbt.c b/drivers/nand/nand_bbt.c index f481308..ac16872 100644 --- a/drivers/nand/nand_bbt.c +++ b/drivers/nand/nand_bbt.c @@ -54,7 +54,10 @@ #include <common.h> -#ifdef CONFIG_NEW_NAND_CODE +#ifdef CFG_NAND_LEGACY +#error CFG_NAND_LEGACY defined in a file not using the legacy NAND support! +#endif + #if (CONFIG_COMMANDS & CFG_CMD_NAND) #include <malloc.h> @@ -1051,5 +1054,3 @@ int nand_isbad_bbt (struct mtd_info *mtd, loff_t offs, int allowbbt) } #endif -#endif /* CONFIG_NEW_NAND_CODE */ - diff --git a/drivers/nand/nand_ecc.c b/drivers/nand/nand_ecc.c index 4e610c1..e0d0e8b 100644 --- a/drivers/nand/nand_ecc.c +++ b/drivers/nand/nand_ecc.c @@ -37,7 +37,10 @@ #include <common.h> -#ifdef CONFIG_NEW_NAND_CODE +#ifdef CFG_NAND_LEGACY +#error CFG_NAND_LEGACY defined in a file not using the legacy NAND support! +#endif + #if (CONFIG_COMMANDS & CFG_CMD_NAND) #include<linux/mtd/mtd.h> @@ -243,5 +246,3 @@ int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_cha } #endif /* CONFIG_COMMANDS & CFG_CMD_NAND */ -#endif /* CONFIG_NEW_NAND_CODE */ - diff --git a/drivers/nand/nand_ids.c b/drivers/nand/nand_ids.c index d355326..3d4d372 100644 --- a/drivers/nand/nand_ids.c +++ b/drivers/nand/nand_ids.c @@ -13,7 +13,10 @@ #include <common.h> -#ifdef CONFIG_NEW_NAND_CODE +#ifdef CFG_NAND_LEGACY +#error CFG_NAND_LEGACY defined in a file not using the legacy NAND support! +#endif + #if (CONFIG_COMMANDS & CFG_CMD_NAND) #include <linux/mtd/nand.h> @@ -127,5 +130,3 @@ struct nand_manufacturers nand_manuf_ids[] = { {0x0, "Unknown"} }; #endif -#endif /* CONFIG_NEW_NAND_CODE */ - diff --git a/drivers/nand_legacy/Makefile b/drivers/nand_legacy/Makefile new file mode 100644 index 0000000..7e2cf66 --- /dev/null +++ b/drivers/nand_legacy/Makefile @@ -0,0 +1,16 @@ +include $(TOPDIR)/config.mk + +LIB := libnand_legacy.a + +OBJS := nand_legacy.o +all: $(LIB) + +$(LIB): $(OBJS) + $(AR) crv $@ $(OBJS) + +######################################################################### + +.depend: Makefile $(OBJS:.o=.c) + $(CC) -M $(CFLAGS) $(OBJS:.o=.c) > $@ + +sinclude .depend diff --git a/drivers/nand_legacy/nand_legacy.c b/drivers/nand_legacy/nand_legacy.c new file mode 100644 index 0000000..3989ca2 --- /dev/null +++ b/drivers/nand_legacy/nand_legacy.c @@ -0,0 +1,1615 @@ +/* + * (C) 2006 Denx + * Driver for NAND support, Rick Bronson + * borrowed heavily from: + * (c) 1999 Machine Vision Holdings, Inc. + * (c) 1999, 2000 David Woodhouse <dwmw2@infradead.org> + * + * Added 16-bit nand support + * (C) 2004 Texas Instruments + */ + +#include <common.h> + +#ifndef CFG_NAND_LEGACY +#error CFG_NAND_LEGACY not defined in a file using the legacy NAND support! +#endif + +#include <command.h> +#include <malloc.h> +#include <asm/io.h> +#include <watchdog.h> + +#ifdef CONFIG_SHOW_BOOT_PROGRESS +# include <status_led.h> +# define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg) +#else +# define SHOW_BOOT_PROGRESS(arg) +#endif + +#if (CONFIG_COMMANDS & CFG_CMD_NAND) + +#include <linux/mtd/nand_legacy.h> +#include <linux/mtd/nand_ids.h> +#include <jffs2/jffs2.h> + +#ifdef CONFIG_OMAP1510 +void archflashwp(void *archdata, int wp); +#endif + +#define ROUND_DOWN(value,boundary) ((value) & (~((boundary)-1))) + +#undef PSYCHO_DEBUG +#undef NAND_DEBUG + +/* ****************** WARNING ********************* + * When ALLOW_ERASE_BAD_DEBUG is non-zero the erase command will + * erase (or at least attempt to erase) blocks that are marked + * bad. This can be very handy if you are _sure_ that the block + * is OK, say because you marked a good block bad to test bad + * block handling and you are done testing, or if you have + * accidentally marked blocks bad. + * + * Erasing factory marked bad blocks is a _bad_ idea. If the + * erase succeeds there is no reliable way to find them again, + * and attempting to program or erase bad blocks can affect + * the data in _other_ (good) blocks. + */ +#define ALLOW_ERASE_BAD_DEBUG 0 + +#define CONFIG_MTD_NAND_ECC /* enable ECC */ +#define CONFIG_MTD_NAND_ECC_JFFS2 + +/* bits for nand_legacy_rw() `cmd'; or together as needed */ +#define NANDRW_READ 0x01 +#define NANDRW_WRITE 0x00 +#define NANDRW_JFFS2 0x02 +#define NANDRW_JFFS2_SKIP 0x04 + + +/* + * Exported variables etc. + */ + +/* Definition of the out of band configuration structure */ +struct nand_oob_config { + /* position of ECC bytes inside oob */ + int ecc_pos[6]; + /* position of bad blk flag inside oob -1 = inactive */ + int badblock_pos; + /* position of ECC valid flag inside oob -1 = inactive */ + int eccvalid_pos; +} oob_config = { {0}, 0, 0}; + +struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE] = {{0}}; + +int curr_device = -1; /* Current NAND Device */ + + +/* + * Exported functionss + */ +int nand_legacy_erase(struct nand_chip* nand, size_t ofs, + size_t len, int clean); +int nand_legacy_rw(struct nand_chip* nand, int cmd, + size_t start, size_t len, + size_t * retlen, u_char * buf); +void nand_print(struct nand_chip *nand); +void nand_print_bad(struct nand_chip *nand); +int nand_read_oob(struct nand_chip* nand, size_t ofs, size_t len, + size_t * retlen, u_char * buf); +int nand_write_oob(struct nand_chip* nand, size_t ofs, size_t len, + size_t * retlen, const u_char * buf); + +/* + * Internals + */ +static int NanD_WaitReady(struct nand_chip *nand, int ale_wait); +static int nand_read_ecc(struct nand_chip *nand, size_t start, size_t len, + size_t * retlen, u_char *buf, u_char *ecc_code); +static int nand_write_ecc (struct nand_chip* nand, size_t to, size_t len, + size_t * retlen, const u_char * buf, + u_char * ecc_code); +#ifdef CONFIG_MTD_NAND_ECC +static int nand_correct_data (u_char *dat, u_char *read_ecc, u_char *calc_ecc); +static void nand_calculate_ecc (const u_char *dat, u_char *ecc_code); +#endif + + +/* + * + * Function definitions + * + */ + +/* returns 0 if block containing pos is OK: + * valid erase block and + * not marked bad, or no bad mark position is specified + * returns 1 if marked bad or otherwise invalid + */ +static int check_block (struct nand_chip *nand, unsigned long pos) +{ + size_t retlen; + uint8_t oob_data; + uint16_t oob_data16[6]; + int page0 = pos & (-nand->erasesize); + int page1 = page0 + nand->oobblock; + int badpos = oob_config.badblock_pos; + + if (pos >= nand->totlen) + return 1; + + if (badpos < 0) + return 0; /* no way to check, assume OK */ + + if (nand->bus16) { + if (nand_read_oob(nand, (page0 + 0), 12, &retlen, (uint8_t *)oob_data16) + || (oob_data16[2] & 0xff00) != 0xff00) + return 1; + if (nand_read_oob(nand, (page1 + 0), 12, &retlen, (uint8_t *)oob_data16) + || (oob_data16[2] & 0xff00) != 0xff00) + return 1; + } else { + /* Note - bad block marker can be on first or second page */ + if (nand_read_oob(nand, page0 + badpos, 1, &retlen, (unsigned char *)&oob_data) + || oob_data != 0xff + || nand_read_oob (nand, page1 + badpos, 1, &retlen, (unsigned char *)&oob_data) + || oob_data != 0xff) + return 1; + } + + return 0; +} + +/* print bad blocks in NAND flash */ +void nand_print_bad(struct nand_chip* nand) +{ + unsigned long pos; + + for (pos = 0; pos < nand->totlen; pos += nand->erasesize) { + if (check_block(nand, pos)) + printf(" 0x%8.8lx\n", pos); + } + puts("\n"); +} + +/* cmd: 0: NANDRW_WRITE write, fail on bad block + * 1: NANDRW_READ read, fail on bad block + * 2: NANDRW_WRITE | NANDRW_JFFS2 write, skip bad blocks + * 3: NANDRW_READ | NANDRW_JFFS2 read, data all 0xff for bad blocks + * 7: NANDRW_READ | NANDRW_JFFS2 | NANDRW_JFFS2_SKIP read, skip bad blocks + */ +int nand_legacy_rw (struct nand_chip* nand, int cmd, + size_t start, size_t len, + size_t * retlen, u_char * buf) +{ + int ret = 0, n, total = 0; + char eccbuf[6]; + /* eblk (once set) is the start of the erase block containing the + * data being processed. + */ + unsigned long eblk = ~0; /* force mismatch on first pass */ + unsigned long erasesize = nand->erasesize; + + while (len) { + if ((start & (-erasesize)) != eblk) { + /* have crossed into new erase block, deal with + * it if it is sure marked bad. + */ + eblk = start & (-erasesize); /* start of block */ + if (check_block(nand, eblk)) { + if (cmd == (NANDRW_READ | NANDRW_JFFS2)) { + while (len > 0 && + start - eblk < erasesize) { + *(buf++) = 0xff; + ++start; + ++total; + --len; + } + continue; + } else if (cmd == (NANDRW_READ | NANDRW_JFFS2 | NANDRW_JFFS2_SKIP)) { + start += erasesize; + continue; + } else if (cmd == (NANDRW_WRITE | NANDRW_JFFS2)) { + /* skip bad block */ + start += erasesize; + continue; + } else { + ret = 1; + break; + } + } + } + /* The ECC will not be calculated correctly if + less than 512 is written or read */ + /* Is request at least 512 bytes AND it starts on a proper boundry */ + if((start != ROUND_DOWN(start, 0x200)) || (len < 0x200)) + printf("Warning block writes should be at least 512 bytes and start on a 512 byte boundry\n"); + + if (cmd & NANDRW_READ) { + ret = nand_read_ecc(nand, start, + min(len, eblk + erasesize - start), + (size_t *)&n, (u_char*)buf, (u_char *)eccbuf); + } else { + ret = nand_write_ecc(nand, start, + min(len, eblk + erasesize - start), + (size_t *)&n, (u_char*)buf, (u_char *)eccbuf); + } + + if (ret) + break; + + start += n; + buf += n; + total += n; + len -= n; + } + if (retlen) + *retlen = total; + + return ret; +} + +void nand_print(struct nand_chip *nand) +{ + if (nand->numchips > 1) { + printf("%s at 0x%lx,\n" + "\t %d chips %s, size %d MB, \n" + "\t total size %ld MB, sector size %ld kB\n", + nand->name, nand->IO_ADDR, nand->numchips, + nand->chips_name, 1 << (nand->chipshift - 20), + nand->totlen >> 20, nand->erasesize >> 10); + } + else { + printf("%s at 0x%lx (", nand->chips_name, nand->IO_ADDR); + print_size(nand->totlen, ", "); + print_size(nand->erasesize, " sector)\n"); + } +} + +/* ------------------------------------------------------------------------- */ + +static int NanD_WaitReady(struct nand_chip *nand, int ale_wait) +{ + /* This is inline, to optimise the common case, where it's ready instantly */ + int ret = 0; + +#ifdef NAND_NO_RB /* in config file, shorter delays currently wrap accesses */ + if(ale_wait) + NAND_WAIT_READY(nand); /* do the worst case 25us wait */ + else + udelay(10); +#else /* has functional r/b signal */ + NAND_WAIT_READY(nand); +#endif + return ret; +} + +/* NanD_Command: Send a flash command to the flash chip */ + +static inline int NanD_Command(struct nand_chip *nand, unsigned char command) +{ + unsigned long nandptr = nand->IO_ADDR; + + /* Assert the CLE (Command Latch Enable) line to the flash chip */ + NAND_CTL_SETCLE(nandptr); + + /* Send the command */ + WRITE_NAND_COMMAND(command, nandptr); + + /* Lower the CLE line */ + NAND_CTL_CLRCLE(nandptr); + +#ifdef NAND_NO_RB + if(command == NAND_CMD_RESET){ + u_char ret_val; + NanD_Command(nand, NAND_CMD_STATUS); + do { + ret_val = READ_NAND(nandptr);/* wait till ready */ + } while((ret_val & 0x40) != 0x40); + } +#endif + return NanD_WaitReady(nand, 0); +} + +/* NanD_Address: Set the current address for the flash chip */ + +static int NanD_Address(struct nand_chip *nand, int numbytes, unsigned long ofs) +{ + unsigned long nandptr; + int i; + + nandptr = nand->IO_ADDR; + + /* Assert the ALE (Address Latch Enable) line to the flash chip */ + NAND_CTL_SETALE(nandptr); + + /* Send the address */ + /* Devices with 256-byte page are addressed as: + * Column (bits 0-7), Page (bits 8-15, 16-23, 24-31) + * there is no device on the market with page256 + * and more than 24 bits. + * Devices with 512-byte page are addressed as: + * Column (bits 0-7), Page (bits 9-16, 17-24, 25-31) + * 25-31 is sent only if the chip support it. + * bit 8 changes the read command to be sent + * (NAND_CMD_READ0 or NAND_CMD_READ1). + */ + + if (numbytes == ADDR_COLUMN || numbytes == ADDR_COLUMN_PAGE) + WRITE_NAND_ADDRESS(ofs, nandptr); + + ofs = ofs >> nand->page_shift; + + if (numbytes == ADDR_PAGE || numbytes == ADDR_COLUMN_PAGE) { + for (i = 0; i < nand->pageadrlen; i++, ofs = ofs >> 8) { + WRITE_NAND_ADDRESS(ofs, nandptr); + } + } + + /* Lower the ALE line */ + NAND_CTL_CLRALE(nandptr); + + /* Wait for the chip to respond */ + return NanD_WaitReady(nand, 1); +} + +/* NanD_SelectChip: Select a given flash chip within the current floor */ + +static inline int NanD_SelectChip(struct nand_chip *nand, int chip) +{ + /* Wait for it to be ready */ + return NanD_WaitReady(nand, 0); +} + +/* NanD_IdentChip: Identify a given NAND chip given {floor,chip} */ + +static int NanD_IdentChip(struct nand_chip *nand, int floor, int chip) +{ + int mfr, id, i; + + NAND_ENABLE_CE(nand); /* set pin low */ + /* Reset the chip */ + if (NanD_Command(nand, NAND_CMD_RESET)) { +#ifdef NAND_DEBUG + printf("NanD_Command (reset) for %d,%d returned true\n", + floor, chip); +#endif + NAND_DISABLE_CE(nand); /* set pin high */ + return 0; + } + + /* Read the NAND chip ID: 1. Send ReadID command */ + if (NanD_Command(nand, NAND_CMD_READID)) { +#ifdef NAND_DEBUG + printf("NanD_Command (ReadID) for %d,%d returned true\n", + floor, chip); +#endif + NAND_DISABLE_CE(nand); /* set pin high */ + return 0; + } + + /* Read the NAND chip ID: 2. Send address byte zero */ + NanD_Address(nand, ADDR_COLUMN, 0); + + /* Read the manufacturer and device id codes from the device */ + + mfr = READ_NAND(nand->IO_ADDR); + + id = READ_NAND(nand->IO_ADDR); + + NAND_DISABLE_CE(nand); /* set pin high */ + +#ifdef NAND_DEBUG + printf("NanD_Command (ReadID) got %x %x\n", mfr, id); +#endif + if (mfr == 0xff || mfr == 0) { + /* No response - return failure */ + return 0; + } + + /* Check it's the same as the first chip we identified. + * M-Systems say that any given nand_chip device should only + * contain _one_ type of flash part, although that's not a + * hardware restriction. */ + if (nand->mfr) { + if (nand->mfr == mfr && nand->id == id) { + return 1; /* This is another the same the first */ + } else { + printf("Flash chip at floor %d, chip %d is different:\n", + floor, chip); + } + } + + /* Print and store the manufacturer and ID codes. */ + for (i = 0; nand_flash_ids[i].name != NULL; i++) { + if (mfr == nand_flash_ids[i].manufacture_id && + id == nand_flash_ids[i].model_id) { +#ifdef NAND_DEBUG + printf("Flash chip found:\n\t Manufacturer ID: 0x%2.2X, " + "Chip ID: 0x%2.2X (%s)\n", mfr, id, + nand_flash_ids[i].name); +#endif + if (!nand->mfr) { + nand->mfr = mfr; + nand->id = id; + nand->chipshift = + nand_flash_ids[i].chipshift; + nand->page256 = nand_flash_ids[i].page256; + nand->eccsize = 256; + if (nand->page256) { + nand->oobblock = 256; + nand->oobsize = 8; + nand->page_shift = 8; + } else { + nand->oobblock = 512; + nand->oobsize = 16; + nand->page_shift = 9; + } + nand->pageadrlen = nand_flash_ids[i].pageadrlen; + nand->erasesize = nand_flash_ids[i].erasesize; + nand->chips_name = nand_flash_ids[i].name; + nand->bus16 = nand_flash_ids[i].bus16; + return 1; + } + return 0; + } + } + + +#ifdef NAND_DEBUG + /* We haven't fully identified the chip. Print as much as we know. */ + printf("Unknown flash chip found: %2.2X %2.2X\n", + id, mfr); +#endif + + return 0; +} + +/* NanD_ScanChips: Find all NAND chips present in a nand_chip, and identify them */ + +static void NanD_ScanChips(struct nand_chip *nand) +{ + int floor, chip; + int numchips[NAND_MAX_FLOORS]; + int maxchips = NAND_MAX_CHIPS; + int ret = 1; + + nand->numchips = 0; + nand->mfr = 0; + nand->id = 0; + + + /* For each floor, find the number of valid chips it contains */ + for (floor = 0; floor < NAND_MAX_FLOORS; floor++) { + ret = 1; + numchips[floor] = 0; + for (chip = 0; chip < maxchips && ret != 0; chip++) { + + ret = NanD_IdentChip(nand, floor, chip); + if (ret) { + numchips[floor]++; + nand->numchips++; + } + } + } + + /* If there are none at all that we recognise, bail */ + if (!nand->numchips) { +#ifdef NAND_DEBUG + puts ("No NAND flash chips recognised.\n"); +#endif + return; + } + + /* Allocate an array to hold the information for each chip */ + nand->chips = malloc(sizeof(struct Nand) * nand->numchips); + if (!nand->chips) { + puts ("No memory for allocating chip info structures\n"); + return; + } + + ret = 0; + + /* Fill out the chip array with {floor, chipno} for each + * detected chip in the device. */ + for (floor = 0; floor < NAND_MAX_FLOORS; floor++) { + for (chip = 0; chip < numchips[floor]; chip++) { + nand->chips[ret].floor = floor; + nand->chips[ret].chip = chip; + nand->chips[ret].curadr = 0; + nand->chips[ret].curmode = 0x50; + ret++; + } + } + + /* Calculate and print the total size of the device */ + nand->totlen = nand->numchips * (1 << nand->chipshift); + +#ifdef NAND_DEBUG + printf("%d flash chips found. Total nand_chip size: %ld MB\n", + nand->numchips, nand->totlen >> 20); +#endif +} + +/* we need to be fast here, 1 us per read translates to 1 second per meg */ +static void NanD_ReadBuf (struct nand_chip *nand, u_char * data_buf, int cntr) +{ + unsigned long nandptr = nand->IO_ADDR; + + NanD_Command (nand, NAND_CMD_READ0); + + if (nand->bus16) { + u16 val; + + while (cntr >= 16) { + val = READ_NAND (nandptr); + *data_buf++ = val & 0xff; + *data_buf++ = val >> 8; + val = READ_NAND (nandptr); + *data_buf++ = val & 0xff; + *data_buf++ = val >> 8; + val = READ_NAND (nandptr); + *data_buf++ = val & 0xff; + *data_buf++ = val >> 8; + val = READ_NAND (nandptr); + *data_buf++ = val & 0xff; + *data_buf++ = val >> 8; + val = READ_NAND (nandptr); + *data_buf++ = val & 0xff; + *data_buf++ = val >> 8; + val = READ_NAND (nandptr); + *data_buf++ = val & 0xff; + *data_buf++ = val >> 8; + val = READ_NAND (nandptr); + *data_buf++ = val & 0xff; + *data_buf++ = val >> 8; + val = READ_NAND (nandptr); + *data_buf++ = val & 0xff; + *data_buf++ = val >> 8; + cntr -= 16; + } + + while (cntr > 0) { + val = READ_NAND (nandptr); + *data_buf++ = val & 0xff; + *data_buf++ = val >> 8; + cntr -= 2; + } + } else { + while (cntr >= 16) { + *data_buf++ = READ_NAND (nandptr); + *data_buf++ = READ_NAND (nandptr); + *data_buf++ = READ_NAND (nandptr); + *data_buf++ = READ_NAND (nandptr); + *data_buf++ = READ_NAND (nandptr); + *data_buf++ = READ_NAND (nandptr); + *data_buf++ = READ_NAND (nandptr); + *data_buf++ = READ_NAND (nandptr); + *data_buf++ = READ_NAND (nandptr); + *data_buf++ = READ_NAND (nandptr); + *data_buf++ = READ_NAND (nandptr); + *data_buf++ = READ_NAND (nandptr); + *data_buf++ = READ_NAND (nandptr); + *data_buf++ = READ_NAND (nandptr); + *data_buf++ = READ_NAND (nandptr); + *data_buf++ = READ_NAND (nandptr); + cntr -= 16; + } + + while (cntr > 0) { + *data_buf++ = READ_NAND (nandptr); + cntr--; + } + } +} + +/* + * NAND read with ECC + */ +static int nand_read_ecc(struct nand_chip *nand, size_t start, size_t len, + size_t * retlen, u_char *buf, u_char *ecc_code) +{ + int col, page; + int ecc_status = 0; +#ifdef CONFIG_MTD_NAND_ECC + int j; + int ecc_failed = 0; + u_char *data_poi; + u_char ecc_calc[6]; +#endif + + /* Do not allow reads past end of device */ + if ((start + len) > nand->totlen) { + printf ("%s: Attempt read beyond end of device %x %x %x\n", + __FUNCTION__, (uint) start, (uint) len, (uint) nand->totlen); + *retlen = 0; + return -1; + } + + /* First we calculate the starting page */ + /*page = shr(start, nand->page_shift);*/ + page = start >> nand->page_shift; + + /* Get raw starting column */ + col = start & (nand->oobblock - 1); + + /* Initialize return value */ + *retlen = 0; + + /* Select the NAND device */ + NAND_ENABLE_CE(nand); /* set pin low */ + + /* Loop until all data read */ + while (*retlen < len) { + +#ifdef CONFIG_MTD_NAND_ECC + /* Do we have this page in cache ? */ + if (nand->cache_page == page) + goto readdata; + /* Send the read command */ + NanD_Command(nand, NAND_CMD_READ0); + if (nand->bus16) { + NanD_Address(nand, ADDR_COLUMN_PAGE, + (page << nand->page_shift) + (col >> 1)); + } else { + NanD_Address(nand, ADDR_COLUMN_PAGE, + (page << nand->page_shift) + col); + } + + /* Read in a page + oob data */ + NanD_ReadBuf(nand, nand->data_buf, nand->oobblock + nand->oobsize); + + /* copy data into cache, for read out of cache and if ecc fails */ + if (nand->data_cache) { + memcpy (nand->data_cache, nand->data_buf, + nand->oobblock + nand->oobsize); + } + + /* Pick the ECC bytes out of the oob data */ + for (j = 0; j < 6; j++) { + ecc_code[j] = nand->data_buf[(nand->oobblock + oob_config.ecc_pos[j])]; + } + + /* Calculate the ECC and verify it */ + /* If block was not written with ECC, skip ECC */ + if (oob_config.eccvalid_pos != -1 && + (nand->data_buf[nand->oobblock + oob_config.eccvalid_pos] & 0x0f) != 0x0f) { + + nand_calculate_ecc (&nand->data_buf[0], &ecc_calc[0]); + switch (nand_correct_data (&nand->data_buf[0], &ecc_code[0], &ecc_calc[0])) { + case -1: + printf ("%s: Failed ECC read, page 0x%08x\n", __FUNCTION__, page); + ecc_failed++; + break; + case 1: + case 2: /* transfer ECC corrected data to cache */ + if (nand->data_cache) + memcpy (nand->data_cache, nand->data_buf, 256); + break; + } + } + + if (oob_config.eccvalid_pos != -1 && + nand->oobblock == 512 && (nand->data_buf[nand->oobblock + oob_config.eccvalid_pos] & 0xf0) != 0xf0) { + + nand_calculate_ecc (&nand->data_buf[256], &ecc_calc[3]); + switch (nand_correct_data (&nand->data_buf[256], &ecc_code[3], &ecc_calc[3])) { + case -1: + printf ("%s: Failed ECC read, page 0x%08x\n", __FUNCTION__, page); + ecc_failed++; + break; + case 1: + case 2: /* transfer ECC corrected data to cache */ + if (nand->data_cache) + memcpy (&nand->data_cache[256], &nand->data_buf[256], 256); + break; + } + } +readdata: + /* Read the data from ECC data buffer into return buffer */ + data_poi = (nand->data_cache) ? nand->data_cache : nand->data_buf; + data_poi += col; + if ((*retlen + (nand->oobblock - col)) >= len) { + memcpy (buf + *retlen, data_poi, len - *retlen); + *retlen = len; + } else { + memcpy (buf + *retlen, data_poi, nand->oobblock - col); + *retlen += nand->oobblock - col; + } + /* Set cache page address, invalidate, if ecc_failed */ + nand->cache_page = (nand->data_cache && !ecc_failed) ? page : -1; + + ecc_status += ecc_failed; + ecc_failed = 0; + +#else + /* Send the read command */ + NanD_Command(nand, NAND_CMD_READ0); + if (nand->bus16) { + NanD_Address(nand, ADDR_COLUMN_PAGE, + (page << nand->page_shift) + (col >> 1)); + } else { + NanD_Address(nand, ADDR_COLUMN_PAGE, + (page << nand->page_shift) + col); + } + + /* Read the data directly into the return buffer */ + if ((*retlen + (nand->oobblock - col)) >= len) { + NanD_ReadBuf(nand, buf + *retlen, len - *retlen); + *retlen = len; + /* We're done */ + continue; + } else { + NanD_ReadBuf(nand, buf + *retlen, nand->oobblock - col); + *retlen += nand->oobblock - col; + } +#endif + /* For subsequent reads align to page boundary. */ + col = 0; + /* Increment page address */ + page++; + } + + /* De-select the NAND device */ + NAND_DISABLE_CE(nand); /* set pin high */ + + /* + * Return success, if no ECC failures, else -EIO + * fs driver will take care of that, because + * retlen == desired len and result == -EIO + */ + return ecc_status ? -1 : 0; +} + +/* + * Nand_page_program function is used for write and writev ! + */ +static int nand_write_page (struct nand_chip *nand, + int page, int col, int last, u_char * ecc_code) +{ + + int i; + unsigned long nandptr = nand->IO_ADDR; + +#ifdef CONFIG_MTD_NAND_ECC +#ifdef CONFIG_MTD_NAND_VERIFY_WRITE + int ecc_bytes = (nand->oobblock == 512) ? 6 : 3; +#endif +#endif + /* pad oob area */ + for (i = nand->oobblock; i < nand->oobblock + nand->oobsize; i++) + nand->data_buf[i] = 0xff; + +#ifdef CONFIG_MTD_NAND_ECC + /* Zero out the ECC array */ + for (i = 0; i < 6; i++) + ecc_code[i] = 0x00; + + /* Read back previous written data, if col > 0 */ + if (col) { + NanD_Command (nand, NAND_CMD_READ0); + if (nand->bus16) { + NanD_Address (nand, ADDR_COLUMN_PAGE, + (page << nand->page_shift) + (col >> 1)); + } else { + NanD_Address (nand, ADDR_COLUMN_PAGE, + (page << nand->page_shift) + col); + } + + if (nand->bus16) { + u16 val; + + for (i = 0; i < col; i += 2) { + val = READ_NAND (nandptr); + nand->data_buf[i] = val & 0xff; + nand->data_buf[i + 1] = val >> 8; + } + } else { + for (i = 0; i < col; i++) + nand->data_buf[i] = READ_NAND (nandptr); + } + } + + /* Calculate and write the ECC if we have enough data */ + if ((col < nand->eccsize) && (last >= nand->eccsize)) { + nand_calculate_ecc (&nand->data_buf[0], &(ecc_code[0])); + for (i = 0; i < 3; i++) { + nand->data_buf[(nand->oobblock + + oob_config.ecc_pos[i])] = ecc_code[i]; + } + if (oob_config.eccvalid_pos != -1) { + nand->data_buf[nand->oobblock + + oob_config.eccvalid_pos] = 0xf0; + } + } + + /* Calculate and write the second ECC if we have enough data */ + if ((nand->oobblock == 512) && (last == nand->oobblock)) { + nand_calculate_ecc (&nand->data_buf[256], &(ecc_code[3])); + for (i = 3; i < 6; i++) { + nand->data_buf[(nand->oobblock + + oob_config.ecc_pos[i])] = ecc_code[i]; + } + if (oob_config.eccvalid_pos != -1) { + nand->data_buf[nand->oobblock + + oob_config.eccvalid_pos] &= 0x0f; + } + } +#endif + /* Prepad for partial page programming !!! */ + for (i = 0; i < col; i++) + nand->data_buf[i] = 0xff; + + /* Postpad for partial page programming !!! oob is already padded */ + for (i = last; i < nand->oobblock; i++) + nand->data_buf[i] = 0xff; + + /* Send command to begin auto page programming */ + NanD_Command (nand, NAND_CMD_READ0); + NanD_Command (nand, NAND_CMD_SEQIN); + if (nand->bus16) { + NanD_Address (nand, ADDR_COLUMN_PAGE, + (page << nand->page_shift) + (col >> 1)); + } else { + NanD_Address (nand, ADDR_COLUMN_PAGE, + (page << nand->page_shift) + col); + } + + /* Write out complete page of data */ + if (nand->bus16) { + for (i = 0; i < (nand->oobblock + nand->oobsize); i += 2) { + WRITE_NAND (nand->data_buf[i] + + (nand->data_buf[i + 1] << 8), + nand->IO_ADDR); + } + } else { + for (i = 0; i < (nand->oobblock + nand->oobsize); i++) + WRITE_NAND (nand->data_buf[i], nand->IO_ADDR); + } + + /* Send command to actually program the data */ + NanD_Command (nand, NAND_CMD_PAGEPROG); + NanD_Command (nand, NAND_CMD_STATUS); +#ifdef NAND_NO_RB + { + u_char ret_val; + + do { + ret_val = READ_NAND (nandptr); /* wait till ready */ + } while ((ret_val & 0x40) != 0x40); + } +#endif + /* See if device thinks it succeeded */ + if (READ_NAND (nand->IO_ADDR) & 0x01) { + printf ("%s: Failed write, page 0x%08x, ", __FUNCTION__, + page); + return -1; + } +#ifdef CONFIG_MTD_NAND_VERIFY_WRITE + /* + * The NAND device assumes that it is always writing to + * a cleanly erased page. Hence, it performs its internal + * write verification only on bits that transitioned from + * 1 to 0. The device does NOT verify the whole page on a + * byte by byte basis. It is possible that the page was + * not completely erased or the page is becoming unusable + * due to wear. The read with ECC would catch the error + * later when the ECC page check fails, but we would rather + * catch it early in the page write stage. Better to write + * no data than invalid data. + */ + + /* Send command to read back the page */ + if (col < nand->eccsize) + NanD_Command (nand, NAND_CMD_READ0); + else + NanD_Command (nand, NAND_CMD_READ1); + if (nand->bus16) { + NanD_Address (nand, ADDR_COLUMN_PAGE, + (page << nand->page_shift) + (col >> 1)); + } else { + NanD_Address (nand, ADDR_COLUMN_PAGE, + (page << nand->page_shift) + col); + } + + /* Loop through and verify the data */ + if (nand->bus16) { + for (i = col; i < last; i = +2) { + if ((nand->data_buf[i] + + (nand->data_buf[i + 1] << 8)) != READ_NAND (nand->IO_ADDR)) { + printf ("%s: Failed write verify, page 0x%08x ", + __FUNCTION__, page); + return -1; + } + } + } else { + for (i = col; i < last; i++) { + if (nand->data_buf[i] != READ_NAND (nand->IO_ADDR)) { + printf ("%s: Failed write verify, page 0x%08x ", + __FUNCTION__, page); + return -1; + } + } + } + +#ifdef CONFIG_MTD_NAND_ECC + /* + * We also want to check that the ECC bytes wrote + * correctly for the same reasons stated above. + */ + NanD_Command (nand, NAND_CMD_READOOB); + if (nand->bus16) { + NanD_Address (nand, ADDR_COLUMN_PAGE, + (page << nand->page_shift) + (col >> 1)); + } else { + NanD_Address (nand, ADDR_COLUMN_PAGE, + (page << nand->page_shift) + col); + } + if (nand->bus16) { + for (i = 0; i < nand->oobsize; i += 2) { + u16 val; + + val = READ_NAND (nand->IO_ADDR); + nand->data_buf[i] = val & 0xff; + nand->data_buf[i + 1] = val >> 8; + } + } else { + for (i = 0; i < nand->oobsize; i++) { + nand->data_buf[i] = READ_NAND (nand->IO_ADDR); + } + } + for (i = 0; i < ecc_bytes; i++) { + if ((nand->data_buf[(oob_config.ecc_pos[i])] != ecc_code[i]) && ecc_code[i]) { + printf ("%s: Failed ECC write " + "verify, page 0x%08x, " + "%6i bytes were succesful\n", + __FUNCTION__, page, i); + return -1; + } + } +#endif /* CONFIG_MTD_NAND_ECC */ +#endif /* CONFIG_MTD_NAND_VERIFY_WRITE */ + return 0; +} + +static int nand_write_ecc (struct nand_chip* nand, size_t to, size_t len, + size_t * retlen, const u_char * buf, u_char * ecc_code) +{ + int i, page, col, cnt, ret = 0; + + /* Do not allow write past end of device */ + if ((to + len) > nand->totlen) { + printf ("%s: Attempt to write past end of page\n", __FUNCTION__); + return -1; + } + + /* Shift to get page */ + page = ((int) to) >> nand->page_shift; + + /* Get the starting column */ + col = to & (nand->oobblock - 1); + + /* Initialize return length value */ + *retlen = 0; + + /* Select the NAND device */ +#ifdef CONFIG_OMAP1510 + archflashwp(0,0); +#endif +#ifdef CFG_NAND_WP + NAND_WP_OFF(); +#endif + + NAND_ENABLE_CE(nand); /* set pin low */ + + /* Check the WP bit */ + NanD_Command(nand, NAND_CMD_STATUS); + if (!(READ_NAND(nand->IO_ADDR) & 0x80)) { + printf ("%s: Device is write protected!!!\n", __FUNCTION__); + ret = -1; + goto out; + } + + /* Loop until all data is written */ + while (*retlen < len) { + /* Invalidate cache, if we write to this page */ + if (nand->cache_page == page) + nand->cache_page = -1; + + /* Write data into buffer */ + if ((col + len) >= nand->oobblock) { + for (i = col, cnt = 0; i < nand->oobblock; i++, cnt++) { + nand->data_buf[i] = buf[(*retlen + cnt)]; + } + } else { + for (i = col, cnt = 0; cnt < (len - *retlen); i++, cnt++) { + nand->data_buf[i] = buf[(*retlen + cnt)]; + } + } + /* We use the same function for write and writev !) */ + ret = nand_write_page (nand, page, col, i, ecc_code); + if (ret) + goto out; + + /* Next data start at page boundary */ + col = 0; + + /* Update written bytes count */ + *retlen += cnt; + + /* Increment page address */ + page++; + } + + /* Return happy */ + *retlen = len; + +out: + /* De-select the NAND device */ + NAND_DISABLE_CE(nand); /* set pin high */ +#ifdef CONFIG_OMAP1510 + archflashwp(0,1); +#endif +#ifdef CFG_NAND_WP + NAND_WP_ON(); +#endif + + return ret; +} + +/* read from the 16 bytes of oob data that correspond to a 512 byte + * page or 2 256-byte pages. + */ +int nand_read_oob(struct nand_chip* nand, size_t ofs, size_t len, + size_t * retlen, u_char * buf) +{ + int len256 = 0; + struct Nand *mychip; + int ret = 0; + + mychip = &nand->chips[ofs >> nand->chipshift]; + + /* update address for 2M x 8bit devices. OOB starts on the second */ + /* page to maintain compatibility with nand_read_ecc. */ + if (nand->page256) { + if (!(ofs & 0x8)) + ofs += 0x100; + else + ofs -= 0x8; + } + + NAND_ENABLE_CE(nand); /* set pin low */ + NanD_Command(nand, NAND_CMD_READOOB); + if (nand->bus16) { + NanD_Address(nand, ADDR_COLUMN_PAGE, + ((ofs >> nand->page_shift) << nand->page_shift) + + ((ofs & (nand->oobblock - 1)) >> 1)); + } else { + NanD_Address(nand, ADDR_COLUMN_PAGE, ofs); + } + + /* treat crossing 8-byte OOB data for 2M x 8bit devices */ + /* Note: datasheet says it should automaticaly wrap to the */ + /* next OOB block, but it didn't work here. mf. */ + if (nand->page256 && ofs + len > (ofs | 0x7) + 1) { + len256 = (ofs | 0x7) + 1 - ofs; + NanD_ReadBuf(nand, buf, len256); + + NanD_Command(nand, NAND_CMD_READOOB); + NanD_Address(nand, ADDR_COLUMN_PAGE, ofs & (~0x1ff)); + } + + NanD_ReadBuf(nand, &buf[len256], len - len256); + + *retlen = len; + /* Reading the full OOB data drops us off of the end of the page, + * causing the flash device to go into busy mode, so we need + * to wait until ready 11.4.1 and Toshiba TC58256FT nands */ + + ret = NanD_WaitReady(nand, 1); + NAND_DISABLE_CE(nand); /* set pin high */ + + return ret; + +} + +/* write to the 16 bytes of oob data that correspond to a 512 byte + * page or 2 256-byte pages. + */ +int nand_write_oob(struct nand_chip* nand, size_t ofs, size_t len, + size_t * retlen, const u_char * buf) +{ + int len256 = 0; + int i; + unsigned long nandptr = nand->IO_ADDR; + +#ifdef PSYCHO_DEBUG + printf("nand_write_oob(%lx, %d): %2.2X %2.2X %2.2X %2.2X ... %2.2X %2.2X .. %2.2X %2.2X\n", + (long)ofs, len, buf[0], buf[1], buf[2], buf[3], + buf[8], buf[9], buf[14],buf[15]); +#endif + + NAND_ENABLE_CE(nand); /* set pin low to enable chip */ + + /* Reset the chip */ + NanD_Command(nand, NAND_CMD_RESET); + + /* issue the Read2 command to set the pointer to the Spare Data Area. */ + NanD_Command(nand, NAND_CMD_READOOB); + if (nand->bus16) { + NanD_Address(nand, ADDR_COLUMN_PAGE, + ((ofs >> nand->page_shift) << nand->page_shift) + + ((ofs & (nand->oobblock - 1)) >> 1)); + } else { + NanD_Address(nand, ADDR_COLUMN_PAGE, ofs); + } + + /* update address for 2M x 8bit devices. OOB starts on the second */ + /* page to maintain compatibility with nand_read_ecc. */ + if (nand->page256) { + if (!(ofs & 0x8)) + ofs += 0x100; + else + ofs -= 0x8; + } + + /* issue the Serial Data In command to initial the Page Program process */ + NanD_Command(nand, NAND_CMD_SEQIN); + if (nand->bus16) { + NanD_Address(nand, ADDR_COLUMN_PAGE, + ((ofs >> nand->page_shift) << nand->page_shift) + + ((ofs & (nand->oobblock - 1)) >> 1)); + } else { + NanD_Address(nand, ADDR_COLUMN_PAGE, ofs); + } + + /* treat crossing 8-byte OOB data for 2M x 8bit devices */ + /* Note: datasheet says it should automaticaly wrap to the */ + /* next OOB block, but it didn't work here. mf. */ + if (nand->page256 && ofs + len > (ofs | 0x7) + 1) { + len256 = (ofs | 0x7) + 1 - ofs; + for (i = 0; i < len256; i++) + WRITE_NAND(buf[i], nandptr); + + NanD_Command(nand, NAND_CMD_PAGEPROG); + NanD_Command(nand, NAND_CMD_STATUS); +#ifdef NAND_NO_RB + { u_char ret_val; + do { + ret_val = READ_NAND(nandptr); /* wait till ready */ + } while ((ret_val & 0x40) != 0x40); + } +#endif + if (READ_NAND(nandptr) & 1) { + puts ("Error programming oob data\n"); + /* There was an error */ + NAND_DISABLE_CE(nand); /* set pin high */ + *retlen = 0; + return -1; + } + NanD_Command(nand, NAND_CMD_SEQIN); + NanD_Address(nand, ADDR_COLUMN_PAGE, ofs & (~0x1ff)); + } + + if (nand->bus16) { + for (i = len256; i < len; i += 2) { + WRITE_NAND(buf[i] + (buf[i+1] << 8), nandptr); + } + } else { + for (i = len256; i < len; i++) + WRITE_NAND(buf[i], nandptr); + } + + NanD_Command(nand, NAND_CMD_PAGEPROG); + NanD_Command(nand, NAND_CMD_STATUS); +#ifdef NAND_NO_RB + { u_char ret_val; + do { + ret_val = READ_NAND(nandptr); /* wait till ready */ + } while ((ret_val & 0x40) != 0x40); + } +#endif + if (READ_NAND(nandptr) & 1) { + puts ("Error programming oob data\n"); + /* There was an error */ + NAND_DISABLE_CE(nand); /* set pin high */ + *retlen = 0; + return -1; + } + + NAND_DISABLE_CE(nand); /* set pin high */ + *retlen = len; + return 0; + +} + +int nand_legacy_erase(struct nand_chip* nand, size_t ofs, size_t len, int clean) +{ + /* This is defined as a structure so it will work on any system + * using native endian jffs2 (the default). + */ + static struct jffs2_unknown_node clean_marker = { + JFFS2_MAGIC_BITMASK, + JFFS2_NODETYPE_CLEANMARKER, + 8 /* 8 bytes in this node */ + }; + unsigned long nandptr; + struct Nand *mychip; + int ret = 0; + + if (ofs & (nand->erasesize-1) || len & (nand->erasesize-1)) { + printf ("Offset and size must be sector aligned, erasesize = %d\n", + (int) nand->erasesize); + return -1; + } + + nandptr = nand->IO_ADDR; + + /* Select the NAND device */ +#ifdef CONFIG_OMAP1510 + archflashwp(0,0); +#endif +#ifdef CFG_NAND_WP + NAND_WP_OFF(); +#endif + NAND_ENABLE_CE(nand); /* set pin low */ + + /* Check the WP bit */ + NanD_Command(nand, NAND_CMD_STATUS); + if (!(READ_NAND(nand->IO_ADDR) & 0x80)) { + printf ("nand_write_ecc: Device is write protected!!!\n"); + ret = -1; + goto out; + } + + /* Check the WP bit */ + NanD_Command(nand, NAND_CMD_STATUS); + if (!(READ_NAND(nand->IO_ADDR) & 0x80)) { + printf ("%s: Device is write protected!!!\n", __FUNCTION__); + ret = -1; + goto out; + } + + /* FIXME: Do nand in the background. Use timers or schedule_task() */ + while(len) { + /*mychip = &nand->chips[shr(ofs, nand->chipshift)];*/ + mychip = &nand->chips[ofs >> nand->chipshift]; + + /* always check for bad block first, genuine bad blocks + * should _never_ be erased. + */ + if (ALLOW_ERASE_BAD_DEBUG || !check_block(nand, ofs)) { + /* Select the NAND device */ + NAND_ENABLE_CE(nand); /* set pin low */ + + NanD_Command(nand, NAND_CMD_ERASE1); + NanD_Address(nand, ADDR_PAGE, ofs); + NanD_Command(nand, NAND_CMD_ERASE2); + + NanD_Command(nand, NAND_CMD_STATUS); + +#ifdef NAND_NO_RB + { u_char ret_val; + do { + ret_val = READ_NAND(nandptr); /* wait till ready */ + } while ((ret_val & 0x40) != 0x40); + } +#endif + if (READ_NAND(nandptr) & 1) { + printf ("%s: Error erasing at 0x%lx\n", + __FUNCTION__, (long)ofs); + /* There was an error */ + ret = -1; + goto out; + } + if (clean) { + int n; /* return value not used */ + int p, l; + + /* clean marker position and size depend + * on the page size, since 256 byte pages + * only have 8 bytes of oob data + */ + if (nand->page256) { + p = NAND_JFFS2_OOB8_FSDAPOS; + l = NAND_JFFS2_OOB8_FSDALEN; + } else { + p = NAND_JFFS2_OOB16_FSDAPOS; + l = NAND_JFFS2_OOB16_FSDALEN; + } + + ret = nand_write_oob(nand, ofs + p, l, (size_t *)&n, + (u_char *)&clean_marker); + /* quit here if write failed */ + if (ret) + goto out; + } + } + ofs += nand->erasesize; + len -= nand->erasesize; + } + +out: + /* De-select the NAND device */ + NAND_DISABLE_CE(nand); /* set pin high */ +#ifdef CONFIG_OMAP1510 + archflashwp(0,1); +#endif +#ifdef CFG_NAND_WP + NAND_WP_ON(); +#endif + + return ret; +} + + +static inline int nandcheck(unsigned long potential, unsigned long physadr) +{ + return 0; +} + +unsigned long nand_probe(unsigned long physadr) +{ + struct nand_chip *nand = NULL; + int i = 0, ChipID = 1; + +#ifdef CONFIG_MTD_NAND_ECC_JFFS2 + oob_config.ecc_pos[0] = NAND_JFFS2_OOB_ECCPOS0; + oob_config.ecc_pos[1] = NAND_JFFS2_OOB_ECCPOS1; + oob_config.ecc_pos[2] = NAND_JFFS2_OOB_ECCPOS2; + oob_config.ecc_pos[3] = NAND_JFFS2_OOB_ECCPOS3; + oob_config.ecc_pos[4] = NAND_JFFS2_OOB_ECCPOS4; + oob_config.ecc_pos[5] = NAND_JFFS2_OOB_ECCPOS5; + oob_config.eccvalid_pos = 4; +#else + oob_config.ecc_pos[0] = NAND_NOOB_ECCPOS0; + oob_config.ecc_pos[1] = NAND_NOOB_ECCPOS1; + oob_config.ecc_pos[2] = NAND_NOOB_ECCPOS2; + oob_config.ecc_pos[3] = NAND_NOOB_ECCPOS3; + oob_config.ecc_pos[4] = NAND_NOOB_ECCPOS4; + oob_config.ecc_pos[5] = NAND_NOOB_ECCPOS5; + oob_config.eccvalid_pos = NAND_NOOB_ECCVPOS; +#endif + oob_config.badblock_pos = 5; + + for (i=0; i<CFG_MAX_NAND_DEVICE; i++) { + if (nand_dev_desc[i].ChipID == NAND_ChipID_UNKNOWN) { + nand = &nand_dev_desc[i]; + break; + } + } + if (!nand) + return (0); + + memset((char *)nand, 0, sizeof(struct nand_chip)); + + nand->IO_ADDR = physadr; + nand->cache_page = -1; /* init the cache page */ + NanD_ScanChips(nand); + + if (nand->totlen == 0) { + /* no chips found, clean up and quit */ + memset((char *)nand, 0, sizeof(struct nand_chip)); + nand->ChipID = NAND_ChipID_UNKNOWN; + return (0); + } + + nand->ChipID = ChipID; + if (curr_device == -1) + curr_device = i; + + nand->data_buf = malloc (nand->oobblock + nand->oobsize); + if (!nand->data_buf) { + puts ("Cannot allocate memory for data structures.\n"); + return (0); + } + + return (nand->totlen); +} + +#ifdef CONFIG_MTD_NAND_ECC +/* + * Pre-calculated 256-way 1 byte column parity + */ +static const u_char nand_ecc_precalc_table[] = { + 0x00, 0x55, 0x56, 0x03, 0x59, 0x0c, 0x0f, 0x5a, + 0x5a, 0x0f, 0x0c, 0x59, 0x03, 0x56, 0x55, 0x00, + 0x65, 0x30, 0x33, 0x66, 0x3c, 0x69, 0x6a, 0x3f, + 0x3f, 0x6a, 0x69, 0x3c, 0x66, 0x33, 0x30, 0x65, + 0x66, 0x33, 0x30, 0x65, 0x3f, 0x6a, 0x69, 0x3c, + 0x3c, 0x69, 0x6a, 0x3f, 0x65, 0x30, 0x33, 0x66, + 0x03, 0x56, 0x55, 0x00, 0x5a, 0x0f, 0x0c, 0x59, + 0x59, 0x0c, 0x0f, 0x5a, 0x00, 0x55, 0x56, 0x03, + 0x69, 0x3c, 0x3f, 0x6a, 0x30, 0x65, 0x66, 0x33, + 0x33, 0x66, 0x65, 0x30, 0x6a, 0x3f, 0x3c, 0x69, + 0x0c, 0x59, 0x5a, 0x0f, 0x55, 0x00, 0x03, 0x56, + 0x56, 0x03, 0x00, 0x55, 0x0f, 0x5a, 0x59, 0x0c, + 0x0f, 0x5a, 0x59, 0x0c, 0x56, 0x03, 0x00, 0x55, + 0x55, 0x00, 0x03, 0x56, 0x0c, 0x59, 0x5a, 0x0f, + 0x6a, 0x3f, 0x3c, 0x69, 0x33, 0x66, 0x65, 0x30, + 0x30, 0x65, 0x66, 0x33, 0x69, 0x3c, 0x3f, 0x6a, + 0x6a, 0x3f, 0x3c, 0x69, 0x33, 0x66, 0x65, 0x30, + 0x30, 0x65, 0x66, 0x33, 0x69, 0x3c, 0x3f, 0x6a, + 0x0f, 0x5a, 0x59, 0x0c, 0x56, 0x03, 0x00, 0x55, + 0x55, 0x00, 0x03, 0x56, 0x0c, 0x59, 0x5a, 0x0f, + 0x0c, 0x59, 0x5a, 0x0f, 0x55, 0x00, 0x03, 0x56, + 0x56, 0x03, 0x00, 0x55, 0x0f, 0x5a, 0x59, 0x0c, + 0x69, 0x3c, 0x3f, 0x6a, 0x30, 0x65, 0x66, 0x33, + 0x33, 0x66, 0x65, 0x30, 0x6a, 0x3f, 0x3c, 0x69, + 0x03, 0x56, 0x55, 0x00, 0x5a, 0x0f, 0x0c, 0x59, + 0x59, 0x0c, 0x0f, 0x5a, 0x00, 0x55, 0x56, 0x03, + 0x66, 0x33, 0x30, 0x65, 0x3f, 0x6a, 0x69, 0x3c, + 0x3c, 0x69, 0x6a, 0x3f, 0x65, 0x30, 0x33, 0x66, + 0x65, 0x30, 0x33, 0x66, 0x3c, 0x69, 0x6a, 0x3f, + 0x3f, 0x6a, 0x69, 0x3c, 0x66, 0x33, 0x30, 0x65, + 0x00, 0x55, 0x56, 0x03, 0x59, 0x0c, 0x0f, 0x5a, + 0x5a, 0x0f, 0x0c, 0x59, 0x03, 0x56, 0x55, 0x00 +}; + + +/* + * Creates non-inverted ECC code from line parity + */ +static void nand_trans_result(u_char reg2, u_char reg3, + u_char *ecc_code) +{ + u_char a, b, i, tmp1, tmp2; + + /* Initialize variables */ + a = b = 0x80; + tmp1 = tmp2 = 0; + + /* Calculate first ECC byte */ + for (i = 0; i < 4; i++) { + if (reg3 & a) /* LP15,13,11,9 --> ecc_code[0] */ + tmp1 |= b; + b >>= 1; + if (reg2 & a) /* LP14,12,10,8 --> ecc_code[0] */ + tmp1 |= b; + b >>= 1; + a >>= 1; + } + + /* Calculate second ECC byte */ + b = 0x80; + for (i = 0; i < 4; i++) { + if (reg3 & a) /* LP7,5,3,1 --> ecc_code[1] */ + tmp2 |= b; + b >>= 1; + if (reg2 & a) /* LP6,4,2,0 --> ecc_code[1] */ + tmp2 |= b; + b >>= 1; + a >>= 1; + } + + /* Store two of the ECC bytes */ + ecc_code[0] = tmp1; + ecc_code[1] = tmp2; +} + +/* + * Calculate 3 byte ECC code for 256 byte block + */ +static void nand_calculate_ecc (const u_char *dat, u_char *ecc_code) +{ + u_char idx, reg1, reg3; + int j; + + /* Initialize variables */ + reg1 = reg3 = 0; + ecc_code[0] = ecc_code[1] = ecc_code[2] = 0; + + /* Build up column parity */ + for(j = 0; j < 256; j++) { + + /* Get CP0 - CP5 from table */ + idx = nand_ecc_precalc_table[dat[j]]; + reg1 ^= idx; + + /* All bit XOR = 1 ? */ + if (idx & 0x40) { + reg3 ^= (u_char) j; + } + } + + /* Create non-inverted ECC code from line parity */ + nand_trans_result((reg1 & 0x40) ? ~reg3 : reg3, reg3, ecc_code); + + /* Calculate final ECC code */ + ecc_code[0] = ~ecc_code[0]; + ecc_code[1] = ~ecc_code[1]; + ecc_code[2] = ((~reg1) << 2) | 0x03; +} + +/* + * Detect and correct a 1 bit error for 256 byte block + */ +static int nand_correct_data (u_char *dat, u_char *read_ecc, u_char *calc_ecc) +{ + u_char a, b, c, d1, d2, d3, add, bit, i; + + /* Do error detection */ + d1 = calc_ecc[0] ^ read_ecc[0]; + d2 = calc_ecc[1] ^ read_ecc[1]; + d3 = calc_ecc[2] ^ read_ecc[2]; + + if ((d1 | d2 | d3) == 0) { + /* No errors */ + return 0; + } else { + a = (d1 ^ (d1 >> 1)) & 0x55; + b = (d2 ^ (d2 >> 1)) & 0x55; + c = (d3 ^ (d3 >> 1)) & 0x54; + + /* Found and will correct single bit error in the data */ + if ((a == 0x55) && (b == 0x55) && (c == 0x54)) { + c = 0x80; + add = 0; + a = 0x80; + for (i=0; i<4; i++) { + if (d1 & c) + add |= a; + c >>= 2; + a >>= 1; + } + c = 0x80; + for (i=0; i<4; i++) { + if (d2 & c) + add |= a; + c >>= 2; + a >>= 1; + } + bit = 0; + b = 0x04; + c = 0x80; + for (i=0; i<3; i++) { + if (d3 & c) + bit |= b; + c >>= 2; + b >>= 1; + } + b = 0x01; + a = dat[add]; + a ^= (b << bit); + dat[add] = a; + return 1; + } + else { + i = 0; + while (d1) { + if (d1 & 0x01) + ++i; + d1 >>= 1; + } + while (d2) { + if (d2 & 0x01) + ++i; + d2 >>= 1; + } + while (d3) { + if (d3 & 0x01) + ++i; + d3 >>= 1; + } + if (i == 1) { + /* ECC Code Error Correction */ + read_ecc[0] = calc_ecc[0]; + read_ecc[1] = calc_ecc[1]; + read_ecc[2] = calc_ecc[2]; + return 2; + } + else { + /* Uncorrectable Error */ + return -1; + } + } + } + + /* Should never happen */ + return -1; +} + +#endif + +#endif /* (CONFIG_COMMANDS & CFG_CMD_NAND) */ diff --git a/fs/jffs2/jffs2_1pass.c b/fs/jffs2/jffs2_1pass.c index f115648..6361d06 100644 --- a/fs/jffs2/jffs2_1pass.c +++ b/fs/jffs2/jffs2_1pass.c @@ -143,7 +143,8 @@ /* keeps pointer to currentlu processed partition */ static struct part_info *current_part; -#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) && !defined(CONFIG_NEW_NAND_CODE) +#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) +#include <nand.h> /* * Support for jffs2 on top of NAND-flash * @@ -154,9 +155,8 @@ static struct part_info *current_part; * */ -/* this one defined in cmd_nand.c */ -int read_jffs2_nand(size_t start, size_t len, - size_t * retlen, u_char * buf, int nanddev); +/* info for NAND chips, defined in drivers/nand/nand.c */ +extern nand_info_t nand_info[]; #define NAND_PAGE_SIZE 512 #define NAND_PAGE_SHIFT 9 @@ -167,6 +167,7 @@ int read_jffs2_nand(size_t start, size_t len, #endif #define NAND_CACHE_SIZE (NAND_CACHE_PAGES*NAND_PAGE_SIZE) +#ifdef CFG_NAND_LEGACY static u8* nand_cache = NULL; static u32 nand_cache_off = (u32)-1; @@ -174,7 +175,7 @@ static int read_nand_cached(u32 off, u32 size, u_char *buf) { struct mtdids *id = current_part->dev->id; u32 bytes_read = 0; - size_t retlen; + ulong retlen; int cpy_bytes; while (bytes_read < size) { @@ -191,8 +192,10 @@ static int read_nand_cached(u32 off, u32 size, u_char *buf) return -1; } } - if (read_jffs2_nand(nand_cache_off, NAND_CACHE_SIZE, - &retlen, nand_cache, id->num) < 0 || + + retlen = NAND_CACHE_SIZE; + if (nand_read(&nand_info[id->num], nand_cache_off, + &retlen, nand_cache) != 0 || retlen != NAND_CACHE_SIZE) { printf("read_nand_cached: error reading nand off %#x size %d bytes\n", nand_cache_off, NAND_CACHE_SIZE); @@ -248,6 +251,7 @@ static void put_fl_mem_nand(void *buf) { free(buf); } +#endif /* CFG_NAND_LEGACY */ #endif /* #if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) */ @@ -290,7 +294,7 @@ static inline void *get_fl_mem(u32 off, u32 size, void *ext_buf) return get_fl_mem_nor(off); #endif -#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) && !defined(CONFIG_NEW_NAND_CODE) +#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) && defined(CFG_NAND_LEGACY) if (id->type == MTD_DEV_TYPE_NAND) return get_fl_mem_nand(off, size, ext_buf); #endif @@ -308,7 +312,7 @@ static inline void *get_node_mem(u32 off) return get_node_mem_nor(off); #endif -#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) && !defined(CONFIG_NEW_NAND_CODE) +#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) && defined(CFG_NAND_LEGACY) if (id->type == MTD_DEV_TYPE_NAND) return get_node_mem_nand(off); #endif @@ -319,7 +323,7 @@ static inline void *get_node_mem(u32 off) static inline void put_fl_mem(void *buf) { -#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) && !defined(CONFIG_NEW_NAND_CODE) +#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) && defined(CFG_NAND_LEGACY) struct mtdids *id = current_part->dev->id; if (id->type == MTD_DEV_TYPE_NAND) diff --git a/fs/jffs2/jffs2_nand_1pass.c b/fs/jffs2/jffs2_nand_1pass.c index e5c2a7d..e78af75 100644 --- a/fs/jffs2/jffs2_nand_1pass.c +++ b/fs/jffs2/jffs2_nand_1pass.c @@ -1,6 +1,6 @@ #include <common.h> -#if defined(CONFIG_NEW_NAND_CODE) && (CONFIG_COMMANDS & CFG_CMD_JFFS2) +#if !defined(CFG_NAND_LEGACY) && (CONFIG_COMMANDS & CFG_CMD_JFFS2) #include <malloc.h> #include <linux/stat.h> diff --git a/include/asm-arm/arch-pxa/pxa-regs.h b/include/asm-arm/arch-pxa/pxa-regs.h index 5d36b84..83ae5e3 100644 --- a/include/asm-arm/arch-pxa/pxa-regs.h +++ b/include/asm-arm/arch-pxa/pxa-regs.h @@ -1009,7 +1009,7 @@ typedef void (*ExcpHndlr) (void) ; * - GPIO * - Data Flash DF_* pins defined. */ -#define GPIO0 __REG(0x40e10124) +#define GPIO0 __REG(0x40e10124) #define GPIO1 __REG(0x40e10128) #define GPIO2 __REG(0x40e1012c) #define GPIO3 __REG(0x40e10130) @@ -2058,8 +2058,6 @@ typedef void (*ExcpHndlr) (void) ; #define MDCNFG_DCSE1 0x2 /* SDRAM CS 1 Enable */ #define MDCNFG_DCSE0 0x1 /* SDRAM CS 0 Enable */ - - /* Data Flash Controller Registers */ diff --git a/include/configs/ASH405.h b/include/configs/ASH405.h index 9841893..d03c05b 100644 --- a/include/configs/ASH405.h +++ b/include/configs/ASH405.h @@ -132,6 +132,9 @@ * NAND-FLASH stuff *----------------------------------------------------------------------- */ + +#define CFG_NAND_LEGACY + #define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */ #define SECTORSIZE 512 diff --git a/include/configs/BMW.h b/include/configs/BMW.h index 050054d..3bd43d8 100644 --- a/include/configs/BMW.h +++ b/include/configs/BMW.h @@ -69,6 +69,10 @@ CFG_CMD_DOC | \ CFG_CMD_ELF | \ 0 ) + +/* CFG_CMD_DOC required legacy NAND support */ +#define CFG_NAND_LEGACY + #if 0 #define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_DHCP | \ CFG_CMD_PCI | CFG_CMD_DOC | CFG_CMD_DATE) diff --git a/include/configs/CMS700.h b/include/configs/CMS700.h index 6025886..1cca285 100644 --- a/include/configs/CMS700.h +++ b/include/configs/CMS700.h @@ -81,6 +81,8 @@ /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include <cmd_confdefs.h> +#define CFG_NAND_LEGACY + #undef CONFIG_WATCHDOG /* watchdog disabled */ #define CONFIG_SDRAM_BANK0 1 /* init onboard SDRAM bank 0 */ diff --git a/include/configs/CPCI405.h b/include/configs/CPCI405.h index efc3ada..047e2f1 100644 --- a/include/configs/CPCI405.h +++ b/include/configs/CPCI405.h @@ -79,6 +79,8 @@ /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include <cmd_confdefs.h> +#define CFG_NAND_LEGACY + #undef CONFIG_WATCHDOG /* watchdog disabled */ #define CONFIG_SDRAM_BANK0 1 /* init onboard SDRAM bank 0 */ diff --git a/include/configs/CPCI4052.h b/include/configs/CPCI4052.h index 1347f2a..d756f44 100644 --- a/include/configs/CPCI4052.h +++ b/include/configs/CPCI4052.h @@ -100,6 +100,8 @@ /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include <cmd_confdefs.h> +#define CFG_NAND_LEGACY + #undef CONFIG_WATCHDOG /* watchdog disabled */ #define CONFIG_SDRAM_BANK0 1 /* init onboard SDRAM bank 0 */ diff --git a/include/configs/CPCI405AB.h b/include/configs/CPCI405AB.h index 9d52815..852d94a 100644 --- a/include/configs/CPCI405AB.h +++ b/include/configs/CPCI405AB.h @@ -87,6 +87,9 @@ /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include <cmd_confdefs.h> +#define CFG_NAND_LEGACY + + #undef CONFIG_WATCHDOG /* watchdog disabled */ #define CONFIG_SDRAM_BANK0 1 /* init onboard SDRAM bank 0 */ diff --git a/include/configs/CPCI405DT.h b/include/configs/CPCI405DT.h index 946a0fd..2260327 100644 --- a/include/configs/CPCI405DT.h +++ b/include/configs/CPCI405DT.h @@ -98,6 +98,8 @@ /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include <cmd_confdefs.h> +#define CFG_NAND_LEGACY + #undef CONFIG_WATCHDOG /* watchdog disabled */ #define CONFIG_SDRAM_BANK0 1 /* init onboard SDRAM bank 0 */ diff --git a/include/configs/CPCI750.h b/include/configs/CPCI750.h index 1632f37..244e45a 100644 --- a/include/configs/CPCI750.h +++ b/include/configs/CPCI750.h @@ -12,7 +12,7 @@ * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License @@ -57,7 +57,7 @@ #define CONFIG_CPCI750 1 /* this is an CPCI750 board */ -#define CONFIG_BAUDRATE 9600 /* console baudrate = 9600 */ +#define CONFIG_BAUDRATE 9600 /* console baudrate = 9600 */ #undef CONFIG_ECC /* enable ECC support */ @@ -84,19 +84,19 @@ * for your console driver. * * what to do: - * to use the DUART, undef CONFIG_MPSC. If you have hacked a serial + * to use the DUART, undef CONFIG_MPSC. If you have hacked a serial * cable onto the second DUART channel, change the CFG_DUART port from 1 * to 0 below. * * to use the MPSC, #define CONFIG_MPSC. If you have wired up another * mpsc channel, change CONFIG_MPSC_PORT to the desired value. */ -#define CONFIG_MPSC +#define CONFIG_MPSC #define CONFIG_MPSC_PORT 0 /* to change the default ethernet port, use this define (options: 0, 1, 2) */ #define CONFIG_NET_MULTI -#define MV_ETH_DEVS 1 +#define MV_ETH_DEVS 1 #define CONFIG_ETHER_PORT 0 #undef CONFIG_ETHER_PORT_MII /* use RMII */ @@ -118,38 +118,38 @@ #define CONFIG_SERIAL "AA000001" #define CONFIG_SERVERIP "10.0.0.79" -#define CONFIG_ROOTPATH "/export/nfs_cpci750/%s" +#define CONFIG_ROOTPATH "/export/nfs_cpci750/%s" #define CONFIG_TESTDRAMDATA y -#define CONFIG_TESTDRAMADDRESS n +#define CONFIG_TESTDRAMADDRESS n #define CONFIG_TESETDRAMWALK n /* ----------------------------------------------------------------------------- */ -#define CONFIG_LOADS_ECHO 0 /* echo off for serial download */ -#define CFG_LOADS_BAUD_CHANGE /* allow baudrate changes */ +#define CONFIG_LOADS_ECHO 0 /* echo off for serial download */ +#define CFG_LOADS_BAUD_CHANGE /* allow baudrate changes */ #undef CONFIG_WATCHDOG /* watchdog disabled */ -#undef CONFIG_ALTIVEC /* undef to disable */ +#undef CONFIG_ALTIVEC /* undef to disable */ #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | \ CONFIG_BOOTP_BOOTFILESIZE) -#define CONFIG_COMMANDS (CONFIG_CMD_DFL \ +#define CONFIG_COMMANDS (CONFIG_CMD_DFL \ | CFG_CMD_ASKENV \ - | CFG_CMD_I2C \ + | CFG_CMD_I2C \ | CFG_CMD_CACHE \ | CFG_CMD_EEPROM \ - | CFG_CMD_PCI \ + | CFG_CMD_PCI \ | CFG_CMD_ELF \ | CFG_CMD_DATE \ - | CFG_CMD_NET \ - | CFG_CMD_PING \ - | CFG_CMD_IDE \ - | CFG_CMD_FAT \ - | CFG_CMD_EXT2 \ + | CFG_CMD_NET \ + | CFG_CMD_PING \ + | CFG_CMD_IDE \ + | CFG_CMD_FAT \ + | CFG_CMD_EXT2 \ ) #define CONFIG_DOS_PARTITION @@ -159,7 +159,7 @@ #define CONFIG_USE_CPCIDVI -#ifdef CONFIG_USE_CPCIDVI +#ifdef CONFIG_USE_CPCIDVI #define CONFIG_VIDEO #define CONFIG_VIDEO_CT69000 #define CONFIG_CFB_CONSOLE @@ -174,23 +174,23 @@ */ #define CFG_I2C_EEPROM_ADDR_LEN 2 #define CFG_I2C_MULTI_EEPROMS -#define CFG_I2C_SPEED 80000 /* I2C speed default */ +#define CFG_I2C_SPEED 80000 /* I2C speed default */ #define CFG_GT_DUAL_CPU /* also for JTAG even with one cpu */ -#define CFG_LONGHELP /* undef to save memory */ -#define CFG_PROMPT "=> " /* Monitor Command Prompt */ +#define CFG_LONGHELP /* undef to save memory */ +#define CFG_PROMPT "=> " /* Monitor Command Prompt */ #if (CONFIG_COMMANDS & CFG_CMD_KGDB) -#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ +#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ #else -#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ +#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ #endif -#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ -#define CFG_MAXARGS 16 /* max number of command args */ +#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ +#define CFG_MAXARGS 16 /* max number of command args */ #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ /*#define CFG_MEMTEST_START 0x00400000*/ /* memtest works on */ /*#define CFG_MEMTEST_END 0x00C00000*/ /* 4 ... 12 MB in DRAM */ -/*#define CFG_MEMTEST_END 0x07c00000*/ /* 4 ... 124 MB in DRAM */ +/*#define CFG_MEMTEST_END 0x07c00000*/ /* 4 ... 124 MB in DRAM */ /* #define CFG_DRAM_TEST @@ -198,21 +198,21 @@ * CFG_DRAM_TEST - enables the following tests. * * CFG_DRAM_TEST_DATA - Enables test for shorted or open data lines - * Environment variable 'test_dram_data' must be - * set to 'y'. + * Environment variable 'test_dram_data' must be + * set to 'y'. * CFG_DRAM_TEST_DATA - Enables test to verify that each word is uniquely - * addressable. Environment variable - * 'test_dram_address' must be set to 'y'. + * addressable. Environment variable + * 'test_dram_address' must be set to 'y'. * CFG_DRAM_TEST_WALK - Enables test a 64-bit walking ones pattern test. - * This test takes about 6 minutes to test 64 MB. - * Environment variable 'test_dram_walk' must be - * set to 'y'. + * This test takes about 6 minutes to test 64 MB. + * Environment variable 'test_dram_walk' must be + * set to 'y'. */ #define CFG_DRAM_TEST #if defined(CFG_DRAM_TEST) #define CFG_MEMTEST_START 0x00400000 /* memtest works on */ /*#define CFG_MEMTEST_END 0x00C00000*/ /* 4 ... 12 MB in DRAM */ -#define CFG_MEMTEST_END 0x07c00000 /* 4 ... 124 MB in DRAM */ +#define CFG_MEMTEST_END 0x07c00000 /* 4 ... 124 MB in DRAM */ #define CFG_DRAM_TEST_DATA #define CFG_DRAM_TEST_ADDRESS #define CFG_DRAM_TEST_WALK @@ -221,10 +221,10 @@ #define CONFIG_DISPLAY_MEMMAP /* at the end of the bootprocess show the memory map */ #undef CFG_DISPLAY_DIMM_SPD_CONTENT /* show SPD content during boot */ -#define CFG_LOAD_ADDR 0x00300000 /* default load address */ +#define CFG_LOAD_ADDR 0x00300000 /* default load address */ -#define CFG_HZ 1000 /* decr freq: 1ms ticks */ -#define CFG_BUS_HZ 133000000 /* 133 MHz (CPU = 5*Bus = 666MHz) */ +#define CFG_HZ 1000 /* decr freq: 1ms ticks */ +#define CFG_BUS_HZ 133000000 /* 133 MHz (CPU = 5*Bus = 666MHz) */ #define CFG_BUS_CLK CFG_BUS_HZ #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 } @@ -251,7 +251,7 @@ * To an unused memory region. The stack will remain in cache until RAM * is initialized */ -#undef CFG_INIT_RAM_LOCK +#undef CFG_INIT_RAM_LOCK /* #define CFG_INIT_RAM_ADDR 0x40000000*/ /* unused memory region */ /* #define CFG_INIT_RAM_ADDR 0xfba00000*/ /* unused memory region */ #define CFG_INIT_RAM_ADDR 0xf1080000 /* unused memory region */ @@ -261,7 +261,7 @@ #define RELOCATE_INTERNAL_RAM_ADDR #ifdef RELOCATE_INTERNAL_RAM_ADDR -/*#define CFG_INTERNAL_RAM_ADDR 0xfba00000*/ +/*#define CFG_INTERNAL_RAM_ADDR 0xfba00000*/ #define CFG_INTERNAL_RAM_ADDR 0xf1080000 #endif @@ -270,16 +270,16 @@ * (Set up by the startup code) * Please note that CFG_SDRAM_BASE _must_ start at 0 */ -#define CFG_SDRAM_BASE 0x00000000 +#define CFG_SDRAM_BASE 0x00000000 /* Dummies for BAT 4-7 */ -#define CFG_SDRAM1_BASE 0x10000000 /* each 256 MByte */ -#define CFG_SDRAM2_BASE 0x20000000 -#define CFG_SDRAM3_BASE 0x30000000 -#define CFG_SDRAM4_BASE 0x40000000 +#define CFG_SDRAM1_BASE 0x10000000 /* each 256 MByte */ +#define CFG_SDRAM2_BASE 0x20000000 +#define CFG_SDRAM3_BASE 0x30000000 +#define CFG_SDRAM4_BASE 0x40000000 #define CFG_RESET_ADDRESS 0xfff00100 -#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ +#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ #define CFG_MONITOR_BASE 0xfff00000 -#define CFG_MALLOC_LEN (128 << 10) /* Reserve 256 kB for malloc */ +#define CFG_MALLOC_LEN (128 << 10) /* Reserve 256 kB for malloc */ /*----------------------------------------------------------------------- * FLASH related @@ -289,15 +289,15 @@ #define CFG_FLASH_CFI 1 /* Flash is CFI conformant */ #define CFG_FLASH_PROTECTION 1 /* use hardware protection */ #define CFG_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */ -#define CFG_FLASH_BASE 0xfc000000 /* start of flash banks */ +#define CFG_FLASH_BASE 0xfc000000 /* start of flash banks */ #define CFG_MAX_FLASH_BANKS 4 /* max number of memory banks */ -#define CFG_FLASH_INCREMENT 0x01000000 /* size of flash bank */ -#define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */ -#define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE, \ - CFG_FLASH_BASE + 1*CFG_FLASH_INCREMENT, \ - CFG_FLASH_BASE + 2*CFG_FLASH_INCREMENT, \ - CFG_FLASH_BASE + 3*CFG_FLASH_INCREMENT } -#define CFG_FLASH_EMPTY_INFO 1 /* show if bank is empty */ +#define CFG_FLASH_INCREMENT 0x01000000 /* size of flash bank */ +#define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */ +#define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE, \ + CFG_FLASH_BASE + 1*CFG_FLASH_INCREMENT, \ + CFG_FLASH_BASE + 2*CFG_FLASH_INCREMENT, \ + CFG_FLASH_BASE + 3*CFG_FLASH_INCREMENT } +#define CFG_FLASH_EMPTY_INFO 1 /* show if bank is empty */ /* areas to map different things with the GT in physical space */ #define CFG_DRAM_BANKS 4 @@ -308,20 +308,20 @@ /* Peripheral Device section */ /*******************************************************/ -/* We have on the cpci750 Board : */ -/* GT-Chipset Register Area */ -/* GT-Chipset internal SRAM 256k */ -/* SRAM on external device module */ -/* Real time clock on external device module */ -/* dobble UART on external device module */ -/* Data flash on external device module */ -/* Boot flash on external device module */ +/* We have on the cpci750 Board : */ +/* GT-Chipset Register Area */ +/* GT-Chipset internal SRAM 256k */ +/* SRAM on external device module */ +/* Real time clock on external device module */ +/* dobble UART on external device module */ +/* Data flash on external device module */ +/* Boot flash on external device module */ /*******************************************************/ #define CFG_DFL_GT_REGS 0x14000000 /* boot time GT_REGS */ -#define CFG_CPCI750_RESET_ADDR 0x14000000 /* After power on Reset the CPCI750 is here */ +#define CFG_CPCI750_RESET_ADDR 0x14000000 /* After power on Reset the CPCI750 is here */ -#undef MARVEL_STANDARD_CFG -#ifndef MARVEL_STANDARD_CFG +#undef MARVEL_STANDARD_CFG +#ifndef MARVEL_STANDARD_CFG /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ #define CFG_GT_REGS 0xf1000000 /* GT Registers will be mapped here */ /*#define CFG_DEV_BASE 0xfc000000*/ /* GT Devices CS start here */ @@ -333,11 +333,11 @@ #define CFG_DEV2_SPACE 0xfe000000 /* DEV_CS2 flash 3 */ #define CFG_DEV3_SPACE 0xf0000000 /* DEV_CS3 nvram/can */ -#define CFG_BOOT_SIZE _16M /* cpci750 flash 0 */ -#define CFG_DEV0_SIZE _16M /* cpci750 flash 1 */ -#define CFG_DEV1_SIZE _16M /* cpci750 flash 2 */ -#define CFG_DEV2_SIZE _16M /* cpci750 flash 3 */ -#define CFG_DEV3_SIZE _16M /* cpci750 nvram/can */ +#define CFG_BOOT_SIZE _16M /* cpci750 flash 0 */ +#define CFG_DEV0_SIZE _16M /* cpci750 flash 1 */ +#define CFG_DEV1_SIZE _16M /* cpci750 flash 2 */ +#define CFG_DEV2_SIZE _16M /* cpci750 flash 3 */ +#define CFG_DEV3_SIZE _16M /* cpci750 nvram/can */ /*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/ #endif @@ -346,22 +346,22 @@ #define CFG_DEV0_PAR 0x8FDFFFFF /* 16 bit flash */ #define CFG_DEV1_PAR 0x8FDFFFFF /* 16 bit flash */ #define CFG_DEV2_PAR 0x8FDFFFFF /* 16 bit flash */ -#define CFG_DEV3_PAR 0x8FCFFFFF /* nvram/can */ +#define CFG_DEV3_PAR 0x8FCFFFFF /* nvram/can */ #define CFG_BOOT_PAR 0x8FDFFFFF /* 16 bit flash */ - /* c 4 a 8 2 4 1 c */ - /* 33 22|2222|22 22|111 1|11 11|1 1 | | */ + /* c 4 a 8 2 4 1 c */ + /* 33 22|2222|22 22|111 1|11 11|1 1 | | */ /* 10 98|7654|32 10|987 6|54 32|1 098|7 654|3 210 */ /* 11|00|0100|10 10|100|0 00|10 0|100 0|001 1|100 */ /* 3| 0|.... ..| 2| 4 | 0 | 4 | 8 | 3 | 4 */ /* MPP Control MV64360 Appendix P P. 632*/ -#define CFG_MPP_CONTROL_0 0x00002222 /* */ -#define CFG_MPP_CONTROL_1 0x11110000 /* */ -#define CFG_MPP_CONTROL_2 0x11111111 /* */ -#define CFG_MPP_CONTROL_3 0x00001111 /* */ -/* #define CFG_SERIAL_PORT_MUX 0x00000102*/ /* */ +#define CFG_MPP_CONTROL_0 0x00002222 /* */ +#define CFG_MPP_CONTROL_1 0x11110000 /* */ +#define CFG_MPP_CONTROL_2 0x11111111 /* */ +#define CFG_MPP_CONTROL_3 0x00001111 /* */ +/* #define CFG_SERIAL_PORT_MUX 0x00000102*/ /* */ #define CFG_GPP_LEVEL_CONTROL 0xffffffff /* 1111 1111 1111 1111 1111 1111 1111 1111*/ @@ -378,12 +378,12 @@ ECC disable non registered DRAM */ /* 31:26 25:22 21:20 19 18 17 16 */ - /* 100001 0000 010 0 0 0 0 */ + /* 100001 0000 010 0 0 0 0 */ /* refresh_count=0x400 phisical interleaving disable virtual interleaving enable */ /* 15 14 13:0 */ - /* 0 1 0x400 */ + /* 0 1 0x400 */ # define CFG_SDRAM_CONFIG 0x58200400 /* 0x1400 copied from Dink32 bzw. VxWorks*/ @@ -392,14 +392,14 @@ *----------------------------------------------------------------------- */ -#define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */ -#define PCI_HOST_FORCE 1 /* configure as pci host */ -#define PCI_HOST_AUTO 2 /* detected via arbiter enable */ +#define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */ +#define PCI_HOST_FORCE 1 /* configure as pci host */ +#define PCI_HOST_AUTO 2 /* detected via arbiter enable */ -#define CONFIG_PCI /* include pci support */ -#define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */ -#define CONFIG_PCI_PNP /* do pci plug-and-play */ -#define CONFIG_PCI_SCAN_SHOW /* show devices on bus */ +#define CONFIG_PCI /* include pci support */ +#define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */ +#define CONFIG_PCI_PNP /* do pci plug-and-play */ +#define CONFIG_PCI_SCAN_SHOW /* show devices on bus */ /* PCI MEMORY MAP section */ #define CFG_PCI0_MEM_BASE 0x80000000 @@ -433,21 +433,21 @@ * IDE/ATA stuff *----------------------------------------------------------------------- */ -#undef CONFIG_IDE_8xx_DIRECT /* no pcmcia interface required */ -#undef CONFIG_IDE_LED /* no led for ide supported */ -#define CONFIG_IDE_RESET /* no reset for ide supported */ -#define CONFIG_IDE_PREINIT /* check for units */ +#undef CONFIG_IDE_8xx_DIRECT /* no pcmcia interface required */ +#undef CONFIG_IDE_LED /* no led for ide supported */ +#define CONFIG_IDE_RESET /* no reset for ide supported */ +#define CONFIG_IDE_PREINIT /* check for units */ -#define CFG_IDE_MAXBUS 2 /* max. 1 IDE busses */ -#define CFG_IDE_MAXDEVICE (CFG_IDE_MAXBUS*2) /* max. 1 drives per IDE bus */ +#define CFG_IDE_MAXBUS 2 /* max. 1 IDE busses */ +#define CFG_IDE_MAXDEVICE (CFG_IDE_MAXBUS*2) /* max. 1 drives per IDE bus */ -#define CFG_ATA_BASE_ADDR 0 -#define CFG_ATA_IDE0_OFFSET 0 -#define CFG_ATA_IDE1_OFFSET 0 +#define CFG_ATA_BASE_ADDR 0 +#define CFG_ATA_IDE0_OFFSET 0 +#define CFG_ATA_IDE1_OFFSET 0 -#define CFG_ATA_DATA_OFFSET 0x0000 /* Offset for data I/O */ -#define CFG_ATA_REG_OFFSET 0x0000 /* Offset for normal register accesses */ -#define CFG_ATA_ALT_OFFSET 0x0000 /* Offset for alternate registers */ +#define CFG_ATA_DATA_OFFSET 0x0000 /* Offset for data I/O */ +#define CFG_ATA_REG_OFFSET 0x0000 /* Offset for normal register accesses */ +#define CFG_ATA_ALT_OFFSET 0x0000 /* Offset for alternate registers */ /*---------------------------------------------------------------------- @@ -551,7 +551,7 @@ * have to be in the first 8 MB of memory, since this is * the maximum mapped by the Linux kernel during initialization. */ -#define CFG_BOOTMAPSZ (8<<20) /* Initial Memory map for Linux */ +#define CFG_BOOTMAPSZ (8<<20) /* Initial Memory map for Linux */ /*----------------------------------------------------------------------- * FLASH organization @@ -563,23 +563,23 @@ #define CFG_FLASH_LOCK_TOUT 500 /* Timeout for Flash Lock (in ms) */ #if 0 -#define CFG_ENV_IS_IN_FLASH 0 -#define CFG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */ +#define CFG_ENV_IS_IN_FLASH 0 +#define CFG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */ #define CFG_ENV_SECT_SIZE 0x10000 #define CFG_ENV_ADDR 0xFFF78000 /* Marvell 8-Bit Bootflash last sector */ -/* #define CFG_ENV_ADDR (CFG_FLASH_BASE+CFG_MONITOR_LEN-CFG_ENV_SECT_SIZE) */ +/* #define CFG_ENV_ADDR (CFG_FLASH_BASE+CFG_MONITOR_LEN-CFG_ENV_SECT_SIZE) */ #endif #define CFG_ENV_IS_IN_EEPROM 1 /* use EEPROM for environment vars */ #define CFG_EEPROM_PAGE_WRITE_BITS 5 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 20 -#define CFG_I2C_EEPROM_ADDR 0x050 +#define CFG_I2C_EEPROM_ADDR 0x050 #define CFG_ENV_OFFSET 0x200 /* environment starts at the beginning of the EEPROM */ #define CFG_ENV_SIZE 0x600 /* 2048 bytes may be used for env vars*/ #define CFG_NVRAM_BASE_ADDR 0xf0000000 /* NVRAM base address */ #define CFG_NVRAM_SIZE (32*1024) /* NVRAM size */ -#define CFG_VXWORKS_MAC_PTR (CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-0x40) +#define CFG_VXWORKS_MAC_PTR (CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-0x40) /*----------------------------------------------------------------------- * Cache Configuration @@ -601,7 +601,7 @@ #if defined (CONFIG_750CX) || defined (CONFIG_750FX) #define L2_INIT 0 #else -#define L2_INIT (L2CR_L2SIZ_2M | L2CR_L2CLK_3 | L2CR_L2RAM_BURST | \ +#define L2_INIT (L2CR_L2SIZ_2M | L2CR_L2CLK_3 | L2CR_L2RAM_BURST | \ L2CR_L2OH_5 | L2CR_L2CTL | L2CR_L2WT) #endif @@ -612,9 +612,9 @@ * * Boot Flags */ -#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ +#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ #define BOOTFLAG_WARM 0x02 /* Software reboot */ -#define CFG_BOARD_ASM_INIT 1 +#define CFG_BOARD_ASM_INIT 1 #endif /* __CONFIG_H */ diff --git a/include/configs/CPU86.h b/include/configs/CPU86.h index 16a9ea5..1e9a99e 100644 --- a/include/configs/CPU86.h +++ b/include/configs/CPU86.h @@ -178,6 +178,8 @@ /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include <cmd_confdefs.h> +#define CFG_NAND_LEGACY + /* * Miscellaneous configurable options */ diff --git a/include/configs/CPU87.h b/include/configs/CPU87.h index a23d7e5..9a98e5c 100644 --- a/include/configs/CPU87.h +++ b/include/configs/CPU87.h @@ -189,6 +189,8 @@ /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include <cmd_confdefs.h> +#define CFG_NAND_LEGACY + /* * Miscellaneous configurable options */ diff --git a/include/configs/GEN860T.h b/include/configs/GEN860T.h index de8f7ae..6613f90 100644 --- a/include/configs/GEN860T.h +++ b/include/configs/GEN860T.h @@ -284,6 +284,8 @@ */ #include <cmd_confdefs.h> +#define CFG_NAND_LEGACY + /* * Verbose help from command monitor. */ diff --git a/include/configs/HH405.h b/include/configs/HH405.h index 4f62b8a..dc40ebc 100644 --- a/include/configs/HH405.h +++ b/include/configs/HH405.h @@ -130,6 +130,8 @@ /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include <cmd_confdefs.h> +#define CFG_NAND_LEGACY + #undef CONFIG_BZIP2 /* include support for bzip2 compressed images */ #undef CONFIG_WATCHDOG /* watchdog disabled */ diff --git a/include/configs/HUB405.h b/include/configs/HUB405.h index eb627e8..f84e356 100644 --- a/include/configs/HUB405.h +++ b/include/configs/HUB405.h @@ -135,6 +135,8 @@ * NAND-FLASH stuff *----------------------------------------------------------------------- */ +#define CFG_NAND_LEGACY + #define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */ #define SECTORSIZE 512 diff --git a/include/configs/MIP405.h b/include/configs/MIP405.h index db2147b..1f01e7b 100644 --- a/include/configs/MIP405.h +++ b/include/configs/MIP405.h @@ -87,6 +87,8 @@ /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include <cmd_confdefs.h> +#define CFG_NAND_LEGACY + #define CFG_HUSH_PARSER #define CFG_PROMPT_HUSH_PS2 "> " /************************************************************** diff --git a/include/configs/NETPHONE.h b/include/configs/NETPHONE.h index bf4c899..444f721 100644 --- a/include/configs/NETPHONE.h +++ b/include/configs/NETPHONE.h @@ -491,6 +491,7 @@ /****************************************************************/ /* NAND */ +#define CFG_NAND_LEGACY #define CFG_NAND_BASE NAND_BASE #define CONFIG_MTD_NAND_ECC_JFFS2 #define CONFIG_MTD_NAND_VERIFY_WRITE diff --git a/include/configs/NETTA2.h b/include/configs/NETTA2.h index 529cb4c..e20e724 100644 --- a/include/configs/NETTA2.h +++ b/include/configs/NETTA2.h @@ -491,6 +491,7 @@ /****************************************************************/ /* NAND */ +#define CFG_NAND_LEGACY #define CFG_NAND_BASE NAND_BASE #define CONFIG_MTD_NAND_ECC_JFFS2 #define CONFIG_MTD_NAND_VERIFY_WRITE diff --git a/include/configs/NETVIA.h b/include/configs/NETVIA.h index dc6b15f..e30be09 100644 --- a/include/configs/NETVIA.h +++ b/include/configs/NETVIA.h @@ -387,6 +387,8 @@ /*****************************************************************************/ +#define CFG_NAND_LEGACY + #if defined(CONFIG_NETVIA_VERSION) && CONFIG_NETVIA_VERSION >= 2 /* NAND */ diff --git a/include/configs/PCIPPC2.h b/include/configs/PCIPPC2.h index d03706e..3a97fbc 100644 --- a/include/configs/PCIPPC2.h +++ b/include/configs/PCIPPC2.h @@ -77,6 +77,7 @@ */ #include <cmd_confdefs.h> +#define CFG_NAND_LEGACY /* * Miscellaneous configurable options diff --git a/include/configs/PCIPPC6.h b/include/configs/PCIPPC6.h index 92b2f7c..130beb7 100644 --- a/include/configs/PCIPPC6.h +++ b/include/configs/PCIPPC6.h @@ -79,6 +79,7 @@ */ #include <cmd_confdefs.h> +#define CFG_NAND_LEGACY /* * Miscellaneous configurable options diff --git a/include/configs/PIP405.h b/include/configs/PIP405.h index 9668fb0..091b768 100644 --- a/include/configs/PIP405.h +++ b/include/configs/PIP405.h @@ -69,6 +69,8 @@ /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include <cmd_confdefs.h> +#define CFG_NAND_LEGACY + #define CFG_HUSH_PARSER #define CFG_PROMPT_HUSH_PS2 "> " /************************************************************** diff --git a/include/configs/PLU405.h b/include/configs/PLU405.h index 54ecfa4..dd5d831 100644 --- a/include/configs/PLU405.h +++ b/include/configs/PLU405.h @@ -160,6 +160,8 @@ * NAND-FLASH stuff *----------------------------------------------------------------------- */ +#define CFG_NAND_LEGACY + #define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */ #define SECTORSIZE 512 diff --git a/include/configs/PM520.h b/include/configs/PM520.h index e73ad51..9c241e6 100644 --- a/include/configs/PM520.h +++ b/include/configs/PM520.h @@ -101,6 +101,8 @@ #define ADD_DOC_CMD 0 #else #define ADD_DOC_CMD CFG_CMD_DOC +/* DoC requires legacy NAND for now */ +#define CFG_NAND_LEGACY #endif /* diff --git a/include/configs/PM826.h b/include/configs/PM826.h index 6e5e3bb..88fdb51 100644 --- a/include/configs/PM826.h +++ b/include/configs/PM826.h @@ -180,6 +180,8 @@ /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include <cmd_confdefs.h> +#define CFG_NAND_LEGACY + /* * Disk-On-Chip configuration */ diff --git a/include/configs/PM828.h b/include/configs/PM828.h index 982a1f8..37ee977 100644 --- a/include/configs/PM828.h +++ b/include/configs/PM828.h @@ -183,6 +183,7 @@ /* * Disk-On-Chip configuration */ +#define CFG_NAND_LEGACY #define CFG_DOC_SHORT_TIMEOUT #define CFG_MAX_DOC_DEVICE 1 /* Max number of DOC devices */ diff --git a/include/configs/PPChameleonEVB.h b/include/configs/PPChameleonEVB.h index c406c8f..e1155e2 100644 --- a/include/configs/PPChameleonEVB.h +++ b/include/configs/PPChameleonEVB.h @@ -188,36 +188,31 @@ * NAND-FLASH stuff *----------------------------------------------------------------------- */ +/* + * nand device 1 on dave (PPChameleonEVB) needs more time, + * so we just introduce additional wait in nand_wait(), + * effectively for both devices. + */ +#define PPCHAMELON_NAND_TIMER_HACK -/* Use the new NAND code. (BOARDLIBS = drivers/nand/libnand.a required) */ -#define CONFIG_NEW_NAND_CODE #define CFG_NAND0_BASE 0xFF400000 #define CFG_NAND1_BASE 0xFF000000 #define CFG_NAND_BASE_LIST { CFG_NAND0_BASE, CFG_NAND1_BASE } #define NAND_BIG_DELAY_US 25 #define CFG_MAX_NAND_DEVICE 2 /* Max number of NAND devices */ -#define SECTORSIZE 512 -#define NAND_NO_RB -#define ADDR_COLUMN 1 -#define ADDR_PAGE 2 -#define ADDR_COLUMN_PAGE 3 - -#define NAND_ChipID_UNKNOWN 0x00 -#define NAND_MAX_FLOORS 1 #define NAND_MAX_CHIPS 1 #define CFG_NAND0_CE (0x80000000 >> 1) /* our CE is GPIO1 */ +#define CFG_NAND0_RDY (0x80000000 >> 4) /* our RDY is GPIO4 */ #define CFG_NAND0_CLE (0x80000000 >> 2) /* our CLE is GPIO2 */ #define CFG_NAND0_ALE (0x80000000 >> 3) /* our ALE is GPIO3 */ -#define CFG_NAND0_RDY (0x80000000 >> 4) /* our RDY is GPIO4 */ #define CFG_NAND1_CE (0x80000000 >> 14) /* our CE is GPIO14 */ +#define CFG_NAND1_RDY (0x80000000 >> 31) /* our RDY is GPIO31 */ #define CFG_NAND1_CLE (0x80000000 >> 15) /* our CLE is GPIO15 */ #define CFG_NAND1_ALE (0x80000000 >> 16) /* our ALE is GPIO16 */ -#define CFG_NAND1_RDY (0x80000000 >> 31) /* our RDY is GPIO31 */ -#ifdef CONFIG_NEW_NAND_CODE #define MACRO_NAND_DISABLE_CE(nandptr) do \ { \ switch((unsigned long)nandptr) \ @@ -293,83 +288,17 @@ break; \ } \ } while(0) -#else -#define NAND_DISABLE_CE(nand) do \ -{ \ - switch((unsigned long)(((struct nand_chip *)nand)->IO_ADDR)) \ - { \ - case CFG_NAND0_BASE: \ - out32(GPIO0_OR, in32(GPIO0_OR) | CFG_NAND0_CE); \ - break; \ - case CFG_NAND1_BASE: \ - out32(GPIO0_OR, in32(GPIO0_OR) | CFG_NAND1_CE); \ - break; \ - } \ -} while(0) - -#define NAND_ENABLE_CE(nand) do \ -{ \ - switch((unsigned long)(((struct nand_chip *)nand)->IO_ADDR)) \ - { \ - case CFG_NAND0_BASE: \ - out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_NAND0_CE); \ - break; \ - case CFG_NAND1_BASE: \ - out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_NAND1_CE); \ - break; \ - } \ -} while(0) - -#define NAND_CTL_CLRALE(nandptr) do \ -{ \ - switch((unsigned long)nandptr) \ - { \ - case CFG_NAND0_BASE: \ - out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_NAND0_ALE); \ - break; \ - case CFG_NAND1_BASE: \ - out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_NAND1_ALE); \ - break; \ - } \ -} while(0) -#define NAND_CTL_SETALE(nandptr) do \ -{ \ - switch((unsigned long)nandptr) \ - { \ - case CFG_NAND0_BASE: \ - out32(GPIO0_OR, in32(GPIO0_OR) | CFG_NAND0_ALE); \ - break; \ - case CFG_NAND1_BASE: \ - out32(GPIO0_OR, in32(GPIO0_OR) | CFG_NAND1_ALE); \ - break; \ - } \ -} while(0) +#if 0 +#define SECTORSIZE 512 +#define NAND_NO_RB -#define NAND_CTL_CLRCLE(nandptr) do \ -{ \ - switch((unsigned long)nandptr) \ - { \ - case CFG_NAND0_BASE: \ - out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_NAND0_CLE); \ - break; \ - case CFG_NAND1_BASE: \ - out32(GPIO0_OR, in32(GPIO0_OR) & ~CFG_NAND1_CLE); \ - break; \ - } \ -} while(0) +#define ADDR_COLUMN 1 +#define ADDR_PAGE 2 +#define ADDR_COLUMN_PAGE 3 -#define NAND_CTL_SETCLE(nandptr) do { \ - switch((unsigned long)nandptr) { \ - case CFG_NAND0_BASE: \ - out32(GPIO0_OR, in32(GPIO0_OR) | CFG_NAND0_CLE); \ - break; \ - case CFG_NAND1_BASE: \ - out32(GPIO0_OR, in32(GPIO0_OR) | CFG_NAND1_CLE); \ - break; \ - } \ -} while(0) -#endif /* !CONFIG_NEW_NAND_CODE */ +#define NAND_ChipID_UNKNOWN 0x00 +#define NAND_MAX_FLOORS 1 #ifdef NAND_NO_RB /* constant delay (see also tR in the datasheet) */ @@ -385,7 +314,7 @@ #define WRITE_NAND_ADDRESS(d, adr) do{ *(volatile __u8 *)((unsigned long)adr) = (__u8)(d); } while(0) #define WRITE_NAND(d, adr) do{ *(volatile __u8 *)((unsigned long)adr) = (__u8)d; } while(0) #define READ_NAND(adr) ((volatile unsigned char)(*(volatile __u8 *)(unsigned long)adr)) - +#endif /*----------------------------------------------------------------------- * PCI stuff *----------------------------------------------------------------------- diff --git a/include/configs/RBC823.h b/include/configs/RBC823.h index 242c837..21945a3 100644 --- a/include/configs/RBC823.h +++ b/include/configs/RBC823.h @@ -326,6 +326,8 @@ /************************************************************ * Disk-On-Chip configuration ************************************************************/ +#define CFG_NAND_LEGACY + #define CFG_MAX_DOC_DEVICE 1 /* Max number of DOC devices */ #define CFG_DOC_SHORT_TIMEOUT #define CFG_DOC_SUPPORT_2000 diff --git a/include/configs/SXNI855T.h b/include/configs/SXNI855T.h index c1c765f..a8454d9 100644 --- a/include/configs/SXNI855T.h +++ b/include/configs/SXNI855T.h @@ -183,6 +183,7 @@ */ /* NAND flash support */ +#define CFG_NAND_LEGACY #define CONFIG_MTD_NAND_ECC_JFFS2 #define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */ #define SECTORSIZE 512 diff --git a/include/configs/VOH405.h b/include/configs/VOH405.h index 3ca137e..96f3d26 100644 --- a/include/configs/VOH405.h +++ b/include/configs/VOH405.h @@ -141,6 +141,8 @@ * NAND-FLASH stuff *----------------------------------------------------------------------- */ +#define CFG_NAND_LEGACY + #define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */ #define SECTORSIZE 512 diff --git a/include/configs/WUH405.h b/include/configs/WUH405.h index d92f81f..faf855d 100644 --- a/include/configs/WUH405.h +++ b/include/configs/WUH405.h @@ -133,6 +133,8 @@ * NAND-FLASH stuff *----------------------------------------------------------------------- */ +#define CFG_NAND_LEGACY + #define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */ #define SECTORSIZE 512 diff --git a/include/configs/bamboo.h b/include/configs/bamboo.h index eacc744..6d32821 100644 --- a/include/configs/bamboo.h +++ b/include/configs/bamboo.h @@ -43,6 +43,7 @@ * 2nd ethernet port you have to "undef" the following define. */ #define CONFIG_BAMBOO_NAND 1 /* enable nand flash support */ +#define CFG_NAND_LEGACY /*----------------------------------------------------------------------- * Base addresses -- Note these are effective addresses where the diff --git a/include/configs/delta.h b/include/configs/delta.h index 8c848c3..8e5e612 100644 --- a/include/configs/delta.h +++ b/include/configs/delta.h @@ -172,7 +172,7 @@ #define SECTORSIZE 512 #define NAND_DELAY_US 25 /* mk@tbd: could be 0, I guess */ -/* nand timeout values */ +/* nand timeout values */ #define CFG_NAND_PROG_ERASE_TO 3000 #define CFG_NAND_OTHER_TO 100 #define CFG_NAND_SENDCMD_RETRY 3 diff --git a/include/configs/mcc200.h b/include/configs/mcc200.h new file mode 100644 index 0000000..d4dee3b --- /dev/null +++ b/include/configs/mcc200.h @@ -0,0 +1,281 @@ +/* + * (C) Copyright 2006 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* + * High Level Configuration Options + * (easy to change) + */ + +#define CONFIG_MPC5200 +#define CONFIG_MPC5xxx 1 /* This is an MPC5xxx CPU */ +#define CONFIG_MCC200 1 /* ... on MCC200 board */ + +#define CFG_MPC5XXX_CLKIN 33000000 /* ... running at 33MHz */ + +#define CONFIG_MISC_INIT_R + +#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ +#define BOOTFLAG_WARM 0x02 /* Software reboot */ + +#define CFG_CACHELINE_SIZE 32 /* For MPC5xxx CPUs */ +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +# define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */ +#endif + +/* + * Serial console configuration + */ +#define CONFIG_PSC_CONSOLE 1 /* console is on PSC1 */ +#define CONFIG_BAUDRATE 115200 +#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 } + +#define CONFIG_MII 1 + +#define CONFIG_DOS_PARTITION + +/* USB */ +#define CONFIG_USB_OHCI +#define ADD_USB_CMD CFG_CMD_USB | CFG_CMD_FAT +#define CONFIG_USB_STORAGE + +/* + * Supported commands + */ +#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \ + ADD_USB_CMD | \ + CFG_CMD_BEDBUG | \ + CFG_CMD_DATE | \ + CFG_CMD_DHCP | \ + CFG_CMD_EEPROM | \ + CFG_CMD_FAT | \ + CFG_CMD_I2C | \ + CFG_CMD_NFS | \ + CFG_CMD_SNTP ) + +/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ +#include <cmd_confdefs.h> + +/* + * Autobooting + */ +#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ + +#define CONFIG_PREBOOT "echo;" \ + "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \ + "echo" + +#undef CONFIG_BOOTARGS + +#define CONFIG_EXTRA_ENV_SETTINGS \ + "netdev=eth0\0" \ + "hostname=mcc200\0" \ + "nfsargs=setenv bootargs root=/dev/nfs rw " \ + "nfsroot=${serverip}:${rootpath}\0" \ + "ramargs=setenv bootargs root=/dev/ram rw\0" \ + "addip=setenv bootargs ${bootargs} " \ + "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \ + ":${hostname}:${netdev}:off panic=1\0" \ + "flash_nfs=run nfsargs addip;" \ + "bootm ${kernel_addr}\0" \ + "flash_self=run ramargs addip;" \ + "bootm ${kernel_addr} ${ramdisk_addr}\0" \ + "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \ + "rootpath=/opt/eldk/ppc_6xx\0" \ + "bootfile=/tftpboot/mcc200/uImage\0" \ + "baudrate=115200\0" \ + "load=tftp 200000 /tftpboot/mcc200/u-boot.bin\0" \ + "update=protect off FFF00000 +${filesize};" \ + "era FFF00000 +${filesize};" \ + "cp.b 200000 FFF00000 ${filesize}\0" \ + "serverip=192.168.1.1\0" \ + "ipaddr=192.168.133.144\0" \ + "netmask=255.255.0.0\0" \ + "unlock=yes\0" \ + "ethaddr=00:02:44:7D:73:3B\0" \ + "" + +#define CONFIG_BOOTCOMMAND "run flash_self" + +#define CFG_HUSH_PARSER 1 /* use "hush" command parser */ +#define CFG_PROMPT_HUSH_PS2 "> " + +/* + * IPB Bus clocking configuration. + */ +#define CFG_IPBSPEED_133 /* define for 133MHz speed */ + +/* + * I2C configuration + */ +#define CONFIG_HARD_I2C 1 /* I2C with hardware support */ +#define CFG_I2C_MODULE 2 /* Select I2C module #1 or #2 */ + +#define CFG_I2C_SPEED 100000 /* 100 kHz */ +#define CFG_I2C_SLAVE 0x7F + +/* + * EEPROM configuration + */ +#define CFG_I2C_EEPROM_ADDR 0x58 +#define CFG_I2C_EEPROM_ADDR_LEN 1 +#define CFG_EEPROM_PAGE_WRITE_BITS 4 +#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 + +/* + * RTC configuration + */ +#define CONFIG_RTC_PCF8563 +#define CFG_I2C_RTC_ADDR 0x51 + +/* + * Flash configuration (8,16 or 32 MB) + * TEXT base always at 0xFFF00000 + * ENV_ADDR always at 0xFFF40000 + * FLASH_BASE at 0xFC000000 for 64 MB (only 32MB are supported, not enough addr lines!!!) + * 0xFE000000 for 32 MB + * 0xFF000000 for 16 MB + * 0xFF800000 for 8 MB + */ +#define CFG_FLASH_BASE 0xfc000000 +#define CFG_FLASH_SIZE 0x04000000 + +#define CFG_FLASH_CFI /* The flash is CFI compatible */ +#define CFG_FLASH_CFI_DRIVER /* Use common CFI driver */ + +#define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE } + +#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ +#define CFG_MAX_FLASH_SECT 512 /* max number of sectors on one chip */ + +#define CFG_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */ +#define CFG_FLASH_PROTECTION 1 /* hardware flash protection */ + +#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ +#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ + +#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */ +#define CFG_FLASH_QUIET_TEST 1 /* don't warn upon unknown flash */ + +#define CFG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */ + +#define CFG_ENV_SECT_SIZE 0x40000 /* size of one complete sector */ +#define CFG_ENV_ADDR (CFG_MONITOR_BASE + CFG_MONITOR_LEN) +#define CFG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */ + +/* Address and size of Redundant Environment Sector */ +#define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR + CFG_ENV_SECT_SIZE) +#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE) + +#define CONFIG_ENV_OVERWRITE 1 /* allow modification of vendor params */ + +/* + * Memory map + */ +#define CFG_MBAR 0xf0000000 +#define CFG_SDRAM_BASE 0x00000000 +#define CFG_DEFAULT_MBAR 0x80000000 + +/* Use SRAM until RAM will be available */ +#define CFG_INIT_RAM_ADDR MPC5XXX_SRAM +#define CFG_INIT_RAM_END MPC5XXX_SRAM_SIZE /* End of used area in DPRAM */ + + +#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ +#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) +#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET + +#define CFG_MONITOR_BASE TEXT_BASE +#if (CFG_MONITOR_BASE < CFG_FLASH_BASE) +# define CFG_RAMBOOT 1 +#endif + +#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ +#define CFG_MALLOC_LEN (512 << 10) /* Reserve 512 kB for malloc() */ +#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ + +/* + * Ethernet configuration + */ +#define CONFIG_MPC5xxx_FEC 1 +/* + * Define CONFIG_FEC_10MBIT to force FEC at 10Mb + */ +/* #define CONFIG_FEC_10MBIT 1 */ +#define CONFIG_PHY_ADDR 1 + +/* + * GPIO configuration + */ +/* 0x10000004 = 32MB SDRAM */ +/* 0x90000004 = 64MB SDRAM */ +#define CFG_GPS_PORT_CONFIG 0x10000004 + +/* + * Miscellaneous configurable options + */ +#define CFG_LONGHELP /* undef to save memory */ +#define CFG_PROMPT "=> " /* Monitor Command Prompt */ +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ +#else +#define CFG_CBSIZE 256 /* Console I/O Buffer Size */ +#endif +#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ +#define CFG_MAXARGS 16 /* max number of command args */ +#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ + +#define CFG_MEMTEST_START 0x00100000 /* memtest works on */ +#define CFG_MEMTEST_END 0x00f00000 /* 1 ... 15 MB in DRAM */ + +#define CFG_LOAD_ADDR 0x100000 /* default load address */ + +#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ + +/* + * Various low-level settings + */ +#define CFG_HID0_INIT HID0_ICE | HID0_ICFI +#define CFG_HID0_FINAL HID0_ICE + +#define CFG_BOOTCS_START CFG_FLASH_BASE +#define CFG_BOOTCS_SIZE CFG_FLASH_SIZE +#define CFG_BOOTCS_CFG 0x0004fb00 +#define CFG_CS0_START CFG_FLASH_BASE +#define CFG_CS0_SIZE CFG_FLASH_SIZE + +#define CFG_CS_BURST 0x00000000 +#define CFG_CS_DEADCYCLE 0x33333333 + +#define CFG_RESET_ADDRESS 0xff000000 + +/*----------------------------------------------------------------------- + * USB stuff + *----------------------------------------------------------------------- + */ +#define CONFIG_USB_CLOCK 0x0001BBBB +#define CONFIG_USB_CONFIG 0x00005000 + +#endif /* __CONFIG_H */ diff --git a/include/configs/netstar.h b/include/configs/netstar.h index 30d2654..697796a 100644 --- a/include/configs/netstar.h +++ b/include/configs/netstar.h @@ -130,8 +130,8 @@ * NAND flash */ #define CFG_MAX_NAND_DEVICE 1 +#define NAND_MAX_CHIPS 1 #define CFG_NAND_BASE 0x04000000 + (2 << 23) -#define CONFIG_NEW_NAND_CODE /* * JFFS2 partitions (mtdparts command line support) diff --git a/include/configs/svm_sc8xx.h b/include/configs/svm_sc8xx.h index 7118f3f..92ee8cb 100644 --- a/include/configs/svm_sc8xx.h +++ b/include/configs/svm_sc8xx.h @@ -141,6 +141,7 @@ /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ #include <cmd_confdefs.h> +#define CFG_NAND_LEGACY /* * Miscellaneous configurable options diff --git a/include/flash.h b/include/flash.h index 069aa63..8493191 100644 --- a/include/flash.h +++ b/include/flash.h @@ -274,6 +274,12 @@ extern void flash_read_factory_serial(flash_info_t * info, void * buffer, int of #define INTEL_ID_28F64K3 0x88018801 /* 64M = 32K x 255 + 32k x 4 */ #define INTEL_ID_28F128K3 0x88028802 /* 128M = 64K x 255 + 32k x 4 */ #define INTEL_ID_28F256K3 0x88038803 /* 256M = 128K x 255 + 32k x 4 */ +#define INTEL_ID_28F64P30T 0x88178817 /* 64M = 32K x 255 + 32k x 4 */ +#define INTEL_ID_28F64P30B 0x881A881A /* 64M = 32K x 255 + 32k x 4 */ +#define INTEL_ID_28F128P30T 0x88188818 /* 128M = 64K x 255 + 32k x 4 */ +#define INTEL_ID_28F128P30B 0x881B881B /* 128M = 64K x 255 + 32k x 4 */ +#define INTEL_ID_28F256P30T 0x88198819 /* 256M = 128K x 255 + 32k x 4 */ +#define INTEL_ID_28F256P30B 0x881C881C /* 256M = 128K x 255 + 32k x 4 */ #define INTEL_ID_28F160S3 0x00D000D0 /* 16M = 512K x 32 (64kB x 32) */ #define INTEL_ID_28F320S3 0x00D400D4 /* 32M = 512K x 64 (64kB x 64) */ diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index b0894c5..a522718 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -2,10 +2,10 @@ * linux/include/linux/mtd/nand.h * * Copyright (c) 2000 David Woodhouse <dwmw2@mvhi.com> - * Steven J. Hill <sjhill@cotw.com> - * Thomas Gleixner <gleixner@autronix.de> + * Steven J. Hill <sjhill@realitydiluted.com> + * Thomas Gleixner <tglx@linutronix.de> * - * $Id: nand.h,v 1.7 2003/07/24 23:30:46 a0384864 Exp $ + * $Id: nand.h,v 1.68 2004/11/12 10:40:37 gleixner Exp $ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -32,13 +32,65 @@ * command delay times for different chips * 04-28-2002 TG OOB config defines moved from nand.c to avoid duplicate * defines in jffs2/wbuf.c + * 08-07-2002 TG forced bad block location to byte 5 of OOB, even if + * CONFIG_MTD_NAND_ECC_JFFS2 is not set + * 08-10-2002 TG extensions to nand_chip structure to support HW-ECC + * + * 08-29-2002 tglx nand_chip structure: data_poi for selecting + * internal / fs-driver buffer + * support for 6byte/512byte hardware ECC + * read_ecc, write_ecc extended for different oob-layout + * oob layout selections: NAND_NONE_OOB, NAND_JFFS2_OOB, + * NAND_YAFFS_OOB + * 11-25-2002 tglx Added Manufacturer code FUJITSU, NATIONAL + * Split manufacturer and device ID structures + * + * 02-08-2004 tglx added option field to nand structure for chip anomalities + * 05-25-2004 tglx added bad block table support, ST-MICRO manufacturer id + * update of nand_chip structure description */ #ifndef __LINUX_MTD_NAND_H #define __LINUX_MTD_NAND_H -#ifdef CONFIG_NEW_NAND_CODE -#include "nand_new.h" -#else +#include <linux/mtd/compat.h> +#include <linux/mtd/mtd.h> + +struct mtd_info; +/* Scan and identify a NAND device */ +extern int nand_scan (struct mtd_info *mtd, int max_chips); +/* Free resources held by the NAND device */ +extern void nand_release (struct mtd_info *mtd); + +/* Read raw data from the device without ECC */ +extern int nand_read_raw (struct mtd_info *mtd, uint8_t *buf, loff_t from, size_t len, size_t ooblen); + + +/* This constant declares the max. oobsize / page, which + * is supported now. If you add a chip with bigger oobsize/page + * adjust this accordingly. + */ +#define NAND_MAX_OOBSIZE 64 + +/* + * Constants for hardware specific CLE/ALE/NCE function +*/ +/* Select the chip by setting nCE to low */ +#define NAND_CTL_SETNCE 1 +/* Deselect the chip by setting nCE to high */ +#define NAND_CTL_CLRNCE 2 +/* Select the command latch by setting CLE to high */ +#define NAND_CTL_SETCLE 3 +/* Deselect the command latch by setting CLE to low */ +#define NAND_CTL_CLRCLE 4 +/* Select the address latch by setting ALE to high */ +#define NAND_CTL_SETALE 5 +/* Deselect the address latch by setting ALE to low */ +#define NAND_CTL_CLRALE 6 +/* Set write protection by setting WP to high. Not used! */ +#define NAND_CTL_SETWP 7 +/* Clear write protection by setting WP to low. Not used! */ +#define NAND_CTL_CLRWP 8 + /* * Standard NAND flash commands */ @@ -48,12 +100,104 @@ #define NAND_CMD_READOOB 0x50 #define NAND_CMD_ERASE1 0x60 #define NAND_CMD_STATUS 0x70 +#define NAND_CMD_STATUS_MULTI 0x71 #define NAND_CMD_SEQIN 0x80 #define NAND_CMD_READID 0x90 #define NAND_CMD_ERASE2 0xd0 #define NAND_CMD_RESET 0xff +/* Extended commands for large page devices */ +#define NAND_CMD_READSTART 0x30 +#define NAND_CMD_CACHEDPROG 0x15 + +/* Status bits */ +#define NAND_STATUS_FAIL 0x01 +#define NAND_STATUS_FAIL_N1 0x02 +#define NAND_STATUS_TRUE_READY 0x20 +#define NAND_STATUS_READY 0x40 +#define NAND_STATUS_WP 0x80 + /* + * Constants for ECC_MODES + */ + +/* No ECC. Usage is not recommended ! */ +#define NAND_ECC_NONE 0 +/* Software ECC 3 byte ECC per 256 Byte data */ +#define NAND_ECC_SOFT 1 +/* Hardware ECC 3 byte ECC per 256 Byte data */ +#define NAND_ECC_HW3_256 2 +/* Hardware ECC 3 byte ECC per 512 Byte data */ +#define NAND_ECC_HW3_512 3 +/* Hardware ECC 3 byte ECC per 512 Byte data */ +#define NAND_ECC_HW6_512 4 +/* Hardware ECC 8 byte ECC per 512 Byte data */ +#define NAND_ECC_HW8_512 6 +/* Hardware ECC 12 byte ECC per 2048 Byte data */ +#define NAND_ECC_HW12_2048 7 + +/* + * Constants for Hardware ECC +*/ +/* Reset Hardware ECC for read */ +#define NAND_ECC_READ 0 +/* Reset Hardware ECC for write */ +#define NAND_ECC_WRITE 1 +/* Enable Hardware ECC before syndrom is read back from flash */ +#define NAND_ECC_READSYN 2 + +/* Option constants for bizarre disfunctionality and real +* features +*/ +/* Chip can not auto increment pages */ +#define NAND_NO_AUTOINCR 0x00000001 +/* Buswitdh is 16 bit */ +#define NAND_BUSWIDTH_16 0x00000002 +/* Device supports partial programming without padding */ +#define NAND_NO_PADDING 0x00000004 +/* Chip has cache program function */ +#define NAND_CACHEPRG 0x00000008 +/* Chip has copy back function */ +#define NAND_COPYBACK 0x00000010 +/* AND Chip which has 4 banks and a confusing page / block + * assignment. See Renesas datasheet for further information */ +#define NAND_IS_AND 0x00000020 +/* Chip has a array of 4 pages which can be read without + * additional ready /busy waits */ +#define NAND_4PAGE_ARRAY 0x00000040 + +/* Options valid for Samsung large page devices */ +#define NAND_SAMSUNG_LP_OPTIONS \ + (NAND_NO_PADDING | NAND_CACHEPRG | NAND_COPYBACK) + +/* Macros to identify the above */ +#define NAND_CANAUTOINCR(chip) (!(chip->options & NAND_NO_AUTOINCR)) +#define NAND_MUST_PAD(chip) (!(chip->options & NAND_NO_PADDING)) +#define NAND_HAS_CACHEPROG(chip) ((chip->options & NAND_CACHEPRG)) +#define NAND_HAS_COPYBACK(chip) ((chip->options & NAND_COPYBACK)) + +/* Mask to zero out the chip options, which come from the id table */ +#define NAND_CHIPOPTIONS_MSK (0x0000ffff & ~NAND_NO_AUTOINCR) + +/* Non chip related options */ +/* Use a flash based bad block table. This option is passed to the + * default bad block table function. */ +#define NAND_USE_FLASH_BBT 0x00010000 +/* The hw ecc generator provides a syndrome instead a ecc value on read + * This can only work if we have the ecc bytes directly behind the + * data bytes. Applies for DOC and AG-AND Renesas HW Reed Solomon generators */ +#define NAND_HWECC_SYNDROME 0x00020000 + + +/* Options set by nand scan */ +/* Nand scan has allocated oob_buf */ +#define NAND_OOBBUF_ALLOC 0x40000000 +/* Nand scan has allocated data_buf */ +#define NAND_DATABUF_ALLOC 0x80000000 + + +/* + * nand_state_t - chip states * Enumeration for NAND flash chip state */ typedef enum { @@ -61,71 +205,138 @@ typedef enum { FL_READING, FL_WRITING, FL_ERASING, - FL_SYNCING + FL_SYNCING, + FL_CACHEDPRG, } nand_state_t; +/* Keep gcc happy */ +struct nand_chip; -/* - * NAND Private Flash Chip Data - * - * Structure overview: - * - * IO_ADDR - address to access the 8 I/O lines of the flash device - * - * hwcontrol - hardwarespecific function for accesing control-lines - * - * dev_ready - hardwarespecific function for accesing device ready/busy line - * - * chip_lock - spinlock used to protect access to this structure - * - * wq - wait queue to sleep on if a NAND operation is in progress - * - * state - give the current state of the NAND device - * - * page_shift - number of address bits in a page (column address bits) - * - * data_buf - data buffer passed to/from MTD user modules - * - * data_cache - data cache for redundant page access and shadow for - * ECC failure - * - * ecc_code_buf - used only for holding calculated or read ECCs for - * a page read or written when ECC is in use - * - * reserved - padding to make structure fall on word boundary if - * when ECC is in use +#if 0 +/** + * struct nand_hw_control - Control structure for hardware controller (e.g ECC generator) shared among independend devices + * @lock: protection lock + * @active: the mtd device which holds the controller currently */ -struct Nand { - char floor, chip; - unsigned long curadr; - unsigned char curmode; - /* Also some erase/write/pipeline info when we get that far */ +struct nand_hw_control { + spinlock_t lock; + struct nand_chip *active; }; +#endif + +/** + * struct nand_chip - NAND Private Flash Chip Data + * @IO_ADDR_R: [BOARDSPECIFIC] address to read the 8 I/O lines of the flash device + * @IO_ADDR_W: [BOARDSPECIFIC] address to write the 8 I/O lines of the flash device + * @read_byte: [REPLACEABLE] read one byte from the chip + * @write_byte: [REPLACEABLE] write one byte to the chip + * @read_word: [REPLACEABLE] read one word from the chip + * @write_word: [REPLACEABLE] write one word to the chip + * @write_buf: [REPLACEABLE] write data from the buffer to the chip + * @read_buf: [REPLACEABLE] read data from the chip into the buffer + * @verify_buf: [REPLACEABLE] verify buffer contents against the chip data + * @select_chip: [REPLACEABLE] select chip nr + * @block_bad: [REPLACEABLE] check, if the block is bad + * @block_markbad: [REPLACEABLE] mark the block bad + * @hwcontrol: [BOARDSPECIFIC] hardwarespecific function for accesing control-lines + * @dev_ready: [BOARDSPECIFIC] hardwarespecific function for accesing device ready/busy line + * If set to NULL no access to ready/busy is available and the ready/busy information + * is read from the chip status register + * @cmdfunc: [REPLACEABLE] hardwarespecific function for writing commands to the chip + * @waitfunc: [REPLACEABLE] hardwarespecific function for wait on ready + * @calculate_ecc: [REPLACEABLE] function for ecc calculation or readback from ecc hardware + * @correct_data: [REPLACEABLE] function for ecc correction, matching to ecc generator (sw/hw) + * @enable_hwecc: [BOARDSPECIFIC] function to enable (reset) hardware ecc generator. Must only + * be provided if a hardware ECC is available + * @erase_cmd: [INTERN] erase command write function, selectable due to AND support + * @scan_bbt: [REPLACEABLE] function to scan bad block table + * @eccmode: [BOARDSPECIFIC] mode of ecc, see defines + * @eccsize: [INTERN] databytes used per ecc-calculation + * @eccbytes: [INTERN] number of ecc bytes per ecc-calculation step + * @eccsteps: [INTERN] number of ecc calculation steps per page + * @chip_delay: [BOARDSPECIFIC] chip dependent delay for transfering data from array to read regs (tR) + * @chip_lock: [INTERN] spinlock used to protect access to this structure and the chip + * @wq: [INTERN] wait queue to sleep on if a NAND operation is in progress + * @state: [INTERN] the current state of the NAND device + * @page_shift: [INTERN] number of address bits in a page (column address bits) + * @phys_erase_shift: [INTERN] number of address bits in a physical eraseblock + * @bbt_erase_shift: [INTERN] number of address bits in a bbt entry + * @chip_shift: [INTERN] number of address bits in one chip + * @data_buf: [INTERN] internal buffer for one page + oob + * @oob_buf: [INTERN] oob buffer for one eraseblock + * @oobdirty: [INTERN] indicates that oob_buf must be reinitialized + * @data_poi: [INTERN] pointer to a data buffer + * @options: [BOARDSPECIFIC] various chip options. They can partly be set to inform nand_scan about + * special functionality. See the defines for further explanation + * @badblockpos: [INTERN] position of the bad block marker in the oob area + * @numchips: [INTERN] number of physical chips + * @chipsize: [INTERN] the size of one chip for multichip arrays + * @pagemask: [INTERN] page number mask = number of (pages / chip) - 1 + * @pagebuf: [INTERN] holds the pagenumber which is currently in data_buf + * @autooob: [REPLACEABLE] the default (auto)placement scheme + * @bbt: [INTERN] bad block table pointer + * @bbt_td: [REPLACEABLE] bad block table descriptor for flash lookup + * @bbt_md: [REPLACEABLE] bad block table mirror descriptor + * @badblock_pattern: [REPLACEABLE] bad block scan pattern used for initial bad block scan + * @controller: [OPTIONAL] a pointer to a hardware controller structure which is shared among multiple independend devices + * @priv: [OPTIONAL] pointer to private chip date + */ struct nand_chip { + void __iomem *IO_ADDR_R; + void __iomem *IO_ADDR_W; + + u_char (*read_byte)(struct mtd_info *mtd); + void (*write_byte)(struct mtd_info *mtd, u_char byte); + u16 (*read_word)(struct mtd_info *mtd); + void (*write_word)(struct mtd_info *mtd, u16 word); + + void (*write_buf)(struct mtd_info *mtd, const u_char *buf, int len); + void (*read_buf)(struct mtd_info *mtd, u_char *buf, int len); + int (*verify_buf)(struct mtd_info *mtd, const u_char *buf, int len); + void (*select_chip)(struct mtd_info *mtd, int chip); + int (*block_bad)(struct mtd_info *mtd, loff_t ofs, int getchip); + int (*block_markbad)(struct mtd_info *mtd, loff_t ofs); + void (*hwcontrol)(struct mtd_info *mtd, int cmd); + int (*dev_ready)(struct mtd_info *mtd); + void (*cmdfunc)(struct mtd_info *mtd, unsigned command, int column, int page_addr); + int (*waitfunc)(struct mtd_info *mtd, struct nand_chip *this, int state); + int (*calculate_ecc)(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code); + int (*correct_data)(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc); + void (*enable_hwecc)(struct mtd_info *mtd, int mode); + void (*erase_cmd)(struct mtd_info *mtd, int page); + int (*scan_bbt)(struct mtd_info *mtd); + int eccmode; + int eccsize; + int eccbytes; + int eccsteps; + int chip_delay; +#if 0 + spinlock_t chip_lock; + wait_queue_head_t wq; + nand_state_t state; +#endif int page_shift; + int phys_erase_shift; + int bbt_erase_shift; + int chip_shift; u_char *data_buf; - u_char *data_cache; - int cache_page; - u_char ecc_code_buf[6]; - u_char reserved[2]; - char ChipID; /* Type of DiskOnChip */ - struct Nand *chips; - int chipshift; - char* chips_name; - unsigned long erasesize; - unsigned long mfr; /* Flash IDs - only one type of flash per device */ - unsigned long id; - char* name; - int numchips; - char page256; - char pageadrlen; - unsigned long IO_ADDR; /* address to access the 8 I/O lines to the flash device */ - unsigned long totlen; - uint oobblock; /* Size of OOB blocks (e.g. 512) */ - uint oobsize; /* Amount of OOB data per block (e.g. 16) */ - uint eccsize; - int bus16; + u_char *oob_buf; + int oobdirty; + u_char *data_poi; + unsigned int options; + int badblockpos; + int numchips; + unsigned long chipsize; + int pagemask; + int pagebuf; + struct nand_oobinfo *autooob; + uint8_t *bbt; + struct nand_bbt_descr *bbt_td; + struct nand_bbt_descr *bbt_md; + struct nand_bbt_descr *badblock_pattern; + struct nand_hw_control *controller; + void *priv; }; /* @@ -133,71 +344,125 @@ struct nand_chip { */ #define NAND_MFR_TOSHIBA 0x98 #define NAND_MFR_SAMSUNG 0xec +#define NAND_MFR_FUJITSU 0x04 +#define NAND_MFR_NATIONAL 0x8f +#define NAND_MFR_RENESAS 0x07 +#define NAND_MFR_STMICRO 0x20 -/* - * NAND Flash Device ID Structure - * - * Structure overview: - * - * name - Complete name of device - * - * manufacture_id - manufacturer ID code of device. - * - * model_id - model ID code of device. - * - * chipshift - total number of address bits for the device which - * is used to calculate address offsets and the total - * number of bytes the device is capable of. +/** + * struct nand_flash_dev - NAND Flash Device ID Structure * - * page256 - denotes if flash device has 256 byte pages or not. - * - * pageadrlen - number of bytes minus one needed to hold the - * complete address into the flash array. Keep in - * mind that when a read or write is done to a - * specific address, the address is input serially - * 8 bits at a time. This structure member is used - * by the read/write routines as a loop index for - * shifting the address out 8 bits at a time. - * - * erasesize - size of an erase block in the flash device. + * @name: Identify the device type + * @id: device ID code + * @pagesize: Pagesize in bytes. Either 256 or 512 or 0 + * If the pagesize is 0, then the real pagesize + * and the eraseize are determined from the + * extended id bytes in the chip + * @erasesize: Size of an erase block in the flash device. + * @chipsize: Total chipsize in Mega Bytes + * @options: Bitfield to store chip relevant options */ struct nand_flash_dev { - char * name; - int manufacture_id; - int model_id; - int chipshift; - char page256; - char pageadrlen; + char *name; + int id; + unsigned long pagesize; + unsigned long chipsize; unsigned long erasesize; - int bus16; + unsigned long options; }; +/** + * struct nand_manufacturers - NAND Flash Manufacturer ID Structure + * @name: Manufacturer name + * @id: manufacturer ID code of device. +*/ +struct nand_manufacturers { + int id; + char * name; +}; + +extern struct nand_flash_dev nand_flash_ids[]; +extern struct nand_manufacturers nand_manuf_ids[]; + +/** + * struct nand_bbt_descr - bad block table descriptor + * @options: options for this descriptor + * @pages: the page(s) where we find the bbt, used with option BBT_ABSPAGE + * when bbt is searched, then we store the found bbts pages here. + * Its an array and supports up to 8 chips now + * @offs: offset of the pattern in the oob area of the page + * @veroffs: offset of the bbt version counter in the oob are of the page + * @version: version read from the bbt page during scan + * @len: length of the pattern, if 0 no pattern check is performed + * @maxblocks: maximum number of blocks to search for a bbt. This number of + * blocks is reserved at the end of the device where the tables are + * written. + * @reserved_block_code: if non-0, this pattern denotes a reserved (rather than + * bad) block in the stored bbt + * @pattern: pattern to identify bad block table or factory marked good / + * bad blocks, can be NULL, if len = 0 + * + * Descriptor for the bad block table marker and the descriptor for the + * pattern which identifies good and bad blocks. The assumption is made + * that the pattern and the version count are always located in the oob area + * of the first block. + */ +struct nand_bbt_descr { + int options; + int pages[NAND_MAX_CHIPS]; + int offs; + int veroffs; + uint8_t version[NAND_MAX_CHIPS]; + int len; + int maxblocks; + int reserved_block_code; + uint8_t *pattern; +}; + +/* Options for the bad block table descriptors */ + +/* The number of bits used per block in the bbt on the device */ +#define NAND_BBT_NRBITS_MSK 0x0000000F +#define NAND_BBT_1BIT 0x00000001 +#define NAND_BBT_2BIT 0x00000002 +#define NAND_BBT_4BIT 0x00000004 +#define NAND_BBT_8BIT 0x00000008 +/* The bad block table is in the last good block of the device */ +#define NAND_BBT_LASTBLOCK 0x00000010 +/* The bbt is at the given page, else we must scan for the bbt */ +#define NAND_BBT_ABSPAGE 0x00000020 +/* The bbt is at the given page, else we must scan for the bbt */ +#define NAND_BBT_SEARCH 0x00000040 +/* bbt is stored per chip on multichip devices */ +#define NAND_BBT_PERCHIP 0x00000080 +/* bbt has a version counter at offset veroffs */ +#define NAND_BBT_VERSION 0x00000100 +/* Create a bbt if none axists */ +#define NAND_BBT_CREATE 0x00000200 +/* Search good / bad pattern through all pages of a block */ +#define NAND_BBT_SCANALLPAGES 0x00000400 +/* Scan block empty during good / bad block scan */ +#define NAND_BBT_SCANEMPTY 0x00000800 +/* Write bbt if neccecary */ +#define NAND_BBT_WRITE 0x00001000 +/* Read and write back block contents when writing bbt */ +#define NAND_BBT_SAVECONTENT 0x00002000 +/* Search good / bad pattern on the first and the second page */ +#define NAND_BBT_SCAN2NDPAGE 0x00004000 + +/* The maximum number of blocks to scan for a bbt */ +#define NAND_BBT_SCAN_MAXBLOCKS 4 + +extern int nand_scan_bbt (struct mtd_info *mtd, struct nand_bbt_descr *bd); +extern int nand_update_bbt (struct mtd_info *mtd, loff_t offs); +extern int nand_default_bbt (struct mtd_info *mtd); +extern int nand_isbad_bbt (struct mtd_info *mtd, loff_t offs, int allowbbt); +extern int nand_erase_nand (struct mtd_info *mtd, struct erase_info *instr, int allowbbt); + /* * Constants for oob configuration */ -#define NAND_NOOB_ECCPOS0 0 -#define NAND_NOOB_ECCPOS1 1 -#define NAND_NOOB_ECCPOS2 2 -#define NAND_NOOB_ECCPOS3 3 -#define NAND_NOOB_ECCPOS4 6 -#define NAND_NOOB_ECCPOS5 7 -#define NAND_NOOB_BADBPOS -1 -#define NAND_NOOB_ECCVPOS -1 - -#define NAND_JFFS2_OOB_ECCPOS0 0 -#define NAND_JFFS2_OOB_ECCPOS1 1 -#define NAND_JFFS2_OOB_ECCPOS2 2 -#define NAND_JFFS2_OOB_ECCPOS3 3 -#define NAND_JFFS2_OOB_ECCPOS4 6 -#define NAND_JFFS2_OOB_ECCPOS5 7 -#define NAND_JFFS2_OOB_BADBPOS 5 -#define NAND_JFFS2_OOB_ECCVPOS 4 - -#define NAND_JFFS2_OOB8_FSDAPOS 6 -#define NAND_JFFS2_OOB16_FSDAPOS 8 -#define NAND_JFFS2_OOB8_FSDALEN 2 -#define NAND_JFFS2_OOB16_FSDALEN 8 - -unsigned long nand_probe(unsigned long physadr); -#endif /* !CONFIG_NEW_NAND_CODE */ +#define NAND_SMALL_BADBLOCK_POS 5 +#define NAND_LARGE_BADBLOCK_POS 0 + #endif /* __LINUX_MTD_NAND_H */ diff --git a/include/linux/mtd/nand_ids.h b/include/linux/mtd/nand_ids.h index 75c305b..d9eb911 100644 --- a/include/linux/mtd/nand_ids.h +++ b/include/linux/mtd/nand_ids.h @@ -28,6 +28,10 @@ #ifndef __LINUX_MTD_NAND_IDS_H #define __LINUX_MTD_NAND_IDS_H +#ifndef CFG_NAND_LEGACY +#error This module is for the legacy NAND support +#endif + static struct nand_flash_dev nand_flash_ids[] = { {"Toshiba TC5816BDC", NAND_MFR_TOSHIBA, 0x64, 21, 1, 2, 0x1000, 0}, {"Toshiba TC5832DC", NAND_MFR_TOSHIBA, 0x6b, 22, 0, 2, 0x2000, 0}, diff --git a/include/linux/mtd/nand_legacy.h b/include/linux/mtd/nand_legacy.h new file mode 100644 index 0000000..a8769e7 --- /dev/null +++ b/include/linux/mtd/nand_legacy.h @@ -0,0 +1,203 @@ +/* + * linux/include/linux/mtd/nand.h + * + * Copyright (c) 2000 David Woodhouse <dwmw2@mvhi.com> + * Steven J. Hill <sjhill@cotw.com> + * Thomas Gleixner <gleixner@autronix.de> + * + * $Id: nand.h,v 1.7 2003/07/24 23:30:46 a0384864 Exp $ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Info: + * Contains standard defines and IDs for NAND flash devices + * + * Changelog: + * 01-31-2000 DMW Created + * 09-18-2000 SJH Moved structure out of the Disk-On-Chip drivers + * so it can be used by other NAND flash device + * drivers. I also changed the copyright since none + * of the original contents of this file are specific + * to DoC devices. David can whack me with a baseball + * bat later if I did something naughty. + * 10-11-2000 SJH Added private NAND flash structure for driver + * 10-24-2000 SJH Added prototype for 'nand_scan' function + * 10-29-2001 TG changed nand_chip structure to support + * hardwarespecific function for accessing control lines + * 02-21-2002 TG added support for different read/write adress and + * ready/busy line access function + * 02-26-2002 TG added chip_delay to nand_chip structure to optimize + * command delay times for different chips + * 04-28-2002 TG OOB config defines moved from nand.c to avoid duplicate + * defines in jffs2/wbuf.c + */ +#ifndef __LINUX_MTD_NAND_LEGACY_H +#define __LINUX_MTD_NAND_LEGACY_H + +#ifndef CFG_NAND_LEGACY +#error This module is for the legacy NAND support +#endif + +/* + * Standard NAND flash commands + */ +#define NAND_CMD_READ0 0 +#define NAND_CMD_READ1 1 +#define NAND_CMD_PAGEPROG 0x10 +#define NAND_CMD_READOOB 0x50 +#define NAND_CMD_ERASE1 0x60 +#define NAND_CMD_STATUS 0x70 +#define NAND_CMD_SEQIN 0x80 +#define NAND_CMD_READID 0x90 +#define NAND_CMD_ERASE2 0xd0 +#define NAND_CMD_RESET 0xff + +/* + * Enumeration for NAND flash chip state + */ +typedef enum { + FL_READY, + FL_READING, + FL_WRITING, + FL_ERASING, + FL_SYNCING +} nand_state_t; + + +/* + * NAND Private Flash Chip Data + * + * Structure overview: + * + * IO_ADDR - address to access the 8 I/O lines of the flash device + * + * hwcontrol - hardwarespecific function for accesing control-lines + * + * dev_ready - hardwarespecific function for accesing device ready/busy line + * + * chip_lock - spinlock used to protect access to this structure + * + * wq - wait queue to sleep on if a NAND operation is in progress + * + * state - give the current state of the NAND device + * + * page_shift - number of address bits in a page (column address bits) + * + * data_buf - data buffer passed to/from MTD user modules + * + * data_cache - data cache for redundant page access and shadow for + * ECC failure + * + * ecc_code_buf - used only for holding calculated or read ECCs for + * a page read or written when ECC is in use + * + * reserved - padding to make structure fall on word boundary if + * when ECC is in use + */ +struct Nand { + char floor, chip; + unsigned long curadr; + unsigned char curmode; + /* Also some erase/write/pipeline info when we get that far */ +}; + +struct nand_chip { + int page_shift; + u_char *data_buf; + u_char *data_cache; + int cache_page; + u_char ecc_code_buf[6]; + u_char reserved[2]; + char ChipID; /* Type of DiskOnChip */ + struct Nand *chips; + int chipshift; + char* chips_name; + unsigned long erasesize; + unsigned long mfr; /* Flash IDs - only one type of flash per device */ + unsigned long id; + char* name; + int numchips; + char page256; + char pageadrlen; + unsigned long IO_ADDR; /* address to access the 8 I/O lines to the flash device */ + unsigned long totlen; + uint oobblock; /* Size of OOB blocks (e.g. 512) */ + uint oobsize; /* Amount of OOB data per block (e.g. 16) */ + uint eccsize; + int bus16; +}; + +/* + * NAND Flash Manufacturer ID Codes + */ +#define NAND_MFR_TOSHIBA 0x98 +#define NAND_MFR_SAMSUNG 0xec + +/* + * NAND Flash Device ID Structure + * + * Structure overview: + * + * name - Complete name of device + * + * manufacture_id - manufacturer ID code of device. + * + * model_id - model ID code of device. + * + * chipshift - total number of address bits for the device which + * is used to calculate address offsets and the total + * number of bytes the device is capable of. + * + * page256 - denotes if flash device has 256 byte pages or not. + * + * pageadrlen - number of bytes minus one needed to hold the + * complete address into the flash array. Keep in + * mind that when a read or write is done to a + * specific address, the address is input serially + * 8 bits at a time. This structure member is used + * by the read/write routines as a loop index for + * shifting the address out 8 bits at a time. + * + * erasesize - size of an erase block in the flash device. + */ +struct nand_flash_dev { + char * name; + int manufacture_id; + int model_id; + int chipshift; + char page256; + char pageadrlen; + unsigned long erasesize; + int bus16; +}; + +/* +* Constants for oob configuration +*/ +#define NAND_NOOB_ECCPOS0 0 +#define NAND_NOOB_ECCPOS1 1 +#define NAND_NOOB_ECCPOS2 2 +#define NAND_NOOB_ECCPOS3 3 +#define NAND_NOOB_ECCPOS4 6 +#define NAND_NOOB_ECCPOS5 7 +#define NAND_NOOB_BADBPOS -1 +#define NAND_NOOB_ECCVPOS -1 + +#define NAND_JFFS2_OOB_ECCPOS0 0 +#define NAND_JFFS2_OOB_ECCPOS1 1 +#define NAND_JFFS2_OOB_ECCPOS2 2 +#define NAND_JFFS2_OOB_ECCPOS3 3 +#define NAND_JFFS2_OOB_ECCPOS4 6 +#define NAND_JFFS2_OOB_ECCPOS5 7 +#define NAND_JFFS2_OOB_BADBPOS 5 +#define NAND_JFFS2_OOB_ECCVPOS 4 + +#define NAND_JFFS2_OOB8_FSDAPOS 6 +#define NAND_JFFS2_OOB16_FSDAPOS 8 +#define NAND_JFFS2_OOB8_FSDALEN 2 +#define NAND_JFFS2_OOB16_FSDALEN 8 + +unsigned long nand_probe(unsigned long physadr); +#endif /* __LINUX_MTD_NAND_LEGACY_H */ diff --git a/include/linux/mtd/nand_new.h b/include/linux/mtd/nand_new.h deleted file mode 100644 index 7d4b805..0000000 --- a/include/linux/mtd/nand_new.h +++ /dev/null @@ -1,469 +0,0 @@ -/* - * linux/include/linux/mtd/nand.h - * - * Copyright (c) 2000 David Woodhouse <dwmw2@mvhi.com> - * Steven J. Hill <sjhill@realitydiluted.com> - * Thomas Gleixner <tglx@linutronix.de> - * - * $Id: nand.h,v 1.68 2004/11/12 10:40:37 gleixner Exp $ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Info: - * Contains standard defines and IDs for NAND flash devices - * - * Changelog: - * 01-31-2000 DMW Created - * 09-18-2000 SJH Moved structure out of the Disk-On-Chip drivers - * so it can be used by other NAND flash device - * drivers. I also changed the copyright since none - * of the original contents of this file are specific - * to DoC devices. David can whack me with a baseball - * bat later if I did something naughty. - * 10-11-2000 SJH Added private NAND flash structure for driver - * 10-24-2000 SJH Added prototype for 'nand_scan' function - * 10-29-2001 TG changed nand_chip structure to support - * hardwarespecific function for accessing control lines - * 02-21-2002 TG added support for different read/write adress and - * ready/busy line access function - * 02-26-2002 TG added chip_delay to nand_chip structure to optimize - * command delay times for different chips - * 04-28-2002 TG OOB config defines moved from nand.c to avoid duplicate - * defines in jffs2/wbuf.c - * 08-07-2002 TG forced bad block location to byte 5 of OOB, even if - * CONFIG_MTD_NAND_ECC_JFFS2 is not set - * 08-10-2002 TG extensions to nand_chip structure to support HW-ECC - * - * 08-29-2002 tglx nand_chip structure: data_poi for selecting - * internal / fs-driver buffer - * support for 6byte/512byte hardware ECC - * read_ecc, write_ecc extended for different oob-layout - * oob layout selections: NAND_NONE_OOB, NAND_JFFS2_OOB, - * NAND_YAFFS_OOB - * 11-25-2002 tglx Added Manufacturer code FUJITSU, NATIONAL - * Split manufacturer and device ID structures - * - * 02-08-2004 tglx added option field to nand structure for chip anomalities - * 05-25-2004 tglx added bad block table support, ST-MICRO manufacturer id - * update of nand_chip structure description - */ -#ifndef __LINUX_MTD_NAND_NEW_H -#define __LINUX_MTD_NAND_NEW_H - -#include <linux/mtd/compat.h> -#include <linux/mtd/mtd.h> - -struct mtd_info; -/* Scan and identify a NAND device */ -extern int nand_scan (struct mtd_info *mtd, int max_chips); -/* Free resources held by the NAND device */ -extern void nand_release (struct mtd_info *mtd); - -/* Read raw data from the device without ECC */ -extern int nand_read_raw (struct mtd_info *mtd, uint8_t *buf, loff_t from, size_t len, size_t ooblen); - - - -/* This constant declares the max. oobsize / page, which - * is supported now. If you add a chip with bigger oobsize/page - * adjust this accordingly. - */ -#define NAND_MAX_OOBSIZE 64 - -/* - * Constants for hardware specific CLE/ALE/NCE function -*/ -/* Select the chip by setting nCE to low */ -#define NAND_CTL_SETNCE 1 -/* Deselect the chip by setting nCE to high */ -#define NAND_CTL_CLRNCE 2 -/* Select the command latch by setting CLE to high */ -#define NAND_CTL_SETCLE 3 -/* Deselect the command latch by setting CLE to low */ -#define NAND_CTL_CLRCLE 4 -/* Select the address latch by setting ALE to high */ -#define NAND_CTL_SETALE 5 -/* Deselect the address latch by setting ALE to low */ -#define NAND_CTL_CLRALE 6 -/* Set write protection by setting WP to high. Not used! */ -#define NAND_CTL_SETWP 7 -/* Clear write protection by setting WP to low. Not used! */ -#define NAND_CTL_CLRWP 8 - -/* - * Standard NAND flash commands - */ -#define NAND_CMD_READ0 0 -#define NAND_CMD_READ1 1 -#define NAND_CMD_PAGEPROG 0x10 -#define NAND_CMD_READOOB 0x50 -#define NAND_CMD_ERASE1 0x60 -#define NAND_CMD_STATUS 0x70 -#define NAND_CMD_STATUS_MULTI 0x71 -#define NAND_CMD_SEQIN 0x80 -#define NAND_CMD_READID 0x90 -#define NAND_CMD_ERASE2 0xd0 -#define NAND_CMD_RESET 0xff - -/* Extended commands for large page devices */ -#define NAND_CMD_READSTART 0x30 -#define NAND_CMD_CACHEDPROG 0x15 - -/* Status bits */ -#define NAND_STATUS_FAIL 0x01 -#define NAND_STATUS_FAIL_N1 0x02 -#define NAND_STATUS_TRUE_READY 0x20 -#define NAND_STATUS_READY 0x40 -#define NAND_STATUS_WP 0x80 - -/* - * Constants for ECC_MODES - */ - -/* No ECC. Usage is not recommended ! */ -#define NAND_ECC_NONE 0 -/* Software ECC 3 byte ECC per 256 Byte data */ -#define NAND_ECC_SOFT 1 -/* Hardware ECC 3 byte ECC per 256 Byte data */ -#define NAND_ECC_HW3_256 2 -/* Hardware ECC 3 byte ECC per 512 Byte data */ -#define NAND_ECC_HW3_512 3 -/* Hardware ECC 3 byte ECC per 512 Byte data */ -#define NAND_ECC_HW6_512 4 -/* Hardware ECC 8 byte ECC per 512 Byte data */ -#define NAND_ECC_HW8_512 6 -/* Hardware ECC 12 byte ECC per 2048 Byte data */ -#define NAND_ECC_HW12_2048 7 - -/* - * Constants for Hardware ECC -*/ -/* Reset Hardware ECC for read */ -#define NAND_ECC_READ 0 -/* Reset Hardware ECC for write */ -#define NAND_ECC_WRITE 1 -/* Enable Hardware ECC before syndrom is read back from flash */ -#define NAND_ECC_READSYN 2 - -/* Option constants for bizarre disfunctionality and real -* features -*/ -/* Chip can not auto increment pages */ -#define NAND_NO_AUTOINCR 0x00000001 -/* Buswitdh is 16 bit */ -#define NAND_BUSWIDTH_16 0x00000002 -/* Device supports partial programming without padding */ -#define NAND_NO_PADDING 0x00000004 -/* Chip has cache program function */ -#define NAND_CACHEPRG 0x00000008 -/* Chip has copy back function */ -#define NAND_COPYBACK 0x00000010 -/* AND Chip which has 4 banks and a confusing page / block - * assignment. See Renesas datasheet for further information */ -#define NAND_IS_AND 0x00000020 -/* Chip has a array of 4 pages which can be read without - * additional ready /busy waits */ -#define NAND_4PAGE_ARRAY 0x00000040 - -/* Options valid for Samsung large page devices */ -#define NAND_SAMSUNG_LP_OPTIONS \ - (NAND_NO_PADDING | NAND_CACHEPRG | NAND_COPYBACK) - -/* Macros to identify the above */ -#define NAND_CANAUTOINCR(chip) (!(chip->options & NAND_NO_AUTOINCR)) -#define NAND_MUST_PAD(chip) (!(chip->options & NAND_NO_PADDING)) -#define NAND_HAS_CACHEPROG(chip) ((chip->options & NAND_CACHEPRG)) -#define NAND_HAS_COPYBACK(chip) ((chip->options & NAND_COPYBACK)) - -/* Mask to zero out the chip options, which come from the id table */ -#define NAND_CHIPOPTIONS_MSK (0x0000ffff & ~NAND_NO_AUTOINCR) - -/* Non chip related options */ -/* Use a flash based bad block table. This option is passed to the - * default bad block table function. */ -#define NAND_USE_FLASH_BBT 0x00010000 -/* The hw ecc generator provides a syndrome instead a ecc value on read - * This can only work if we have the ecc bytes directly behind the - * data bytes. Applies for DOC and AG-AND Renesas HW Reed Solomon generators */ -#define NAND_HWECC_SYNDROME 0x00020000 - - -/* Options set by nand scan */ -/* Nand scan has allocated oob_buf */ -#define NAND_OOBBUF_ALLOC 0x40000000 -/* Nand scan has allocated data_buf */ -#define NAND_DATABUF_ALLOC 0x80000000 - - -/* - * nand_state_t - chip states - * Enumeration for NAND flash chip state - */ -typedef enum { - FL_READY, - FL_READING, - FL_WRITING, - FL_ERASING, - FL_SYNCING, - FL_CACHEDPRG, -} nand_state_t; - -/* Keep gcc happy */ -struct nand_chip; - -#if 0 -/** - * struct nand_hw_control - Control structure for hardware controller (e.g ECC generator) shared among independend devices - * @lock: protection lock - * @active: the mtd device which holds the controller currently - */ -struct nand_hw_control { - spinlock_t lock; - struct nand_chip *active; -}; -#endif - -/** - * struct nand_chip - NAND Private Flash Chip Data - * @IO_ADDR_R: [BOARDSPECIFIC] address to read the 8 I/O lines of the flash device - * @IO_ADDR_W: [BOARDSPECIFIC] address to write the 8 I/O lines of the flash device - * @read_byte: [REPLACEABLE] read one byte from the chip - * @write_byte: [REPLACEABLE] write one byte to the chip - * @read_word: [REPLACEABLE] read one word from the chip - * @write_word: [REPLACEABLE] write one word to the chip - * @write_buf: [REPLACEABLE] write data from the buffer to the chip - * @read_buf: [REPLACEABLE] read data from the chip into the buffer - * @verify_buf: [REPLACEABLE] verify buffer contents against the chip data - * @select_chip: [REPLACEABLE] select chip nr - * @block_bad: [REPLACEABLE] check, if the block is bad - * @block_markbad: [REPLACEABLE] mark the block bad - * @hwcontrol: [BOARDSPECIFIC] hardwarespecific function for accesing control-lines - * @dev_ready: [BOARDSPECIFIC] hardwarespecific function for accesing device ready/busy line - * If set to NULL no access to ready/busy is available and the ready/busy information - * is read from the chip status register - * @cmdfunc: [REPLACEABLE] hardwarespecific function for writing commands to the chip - * @waitfunc: [REPLACEABLE] hardwarespecific function for wait on ready - * @calculate_ecc: [REPLACEABLE] function for ecc calculation or readback from ecc hardware - * @correct_data: [REPLACEABLE] function for ecc correction, matching to ecc generator (sw/hw) - * @enable_hwecc: [BOARDSPECIFIC] function to enable (reset) hardware ecc generator. Must only - * be provided if a hardware ECC is available - * @erase_cmd: [INTERN] erase command write function, selectable due to AND support - * @scan_bbt: [REPLACEABLE] function to scan bad block table - * @eccmode: [BOARDSPECIFIC] mode of ecc, see defines - * @eccsize: [INTERN] databytes used per ecc-calculation - * @eccbytes: [INTERN] number of ecc bytes per ecc-calculation step - * @eccsteps: [INTERN] number of ecc calculation steps per page - * @chip_delay: [BOARDSPECIFIC] chip dependent delay for transfering data from array to read regs (tR) - * @chip_lock: [INTERN] spinlock used to protect access to this structure and the chip - * @wq: [INTERN] wait queue to sleep on if a NAND operation is in progress - * @state: [INTERN] the current state of the NAND device - * @page_shift: [INTERN] number of address bits in a page (column address bits) - * @phys_erase_shift: [INTERN] number of address bits in a physical eraseblock - * @bbt_erase_shift: [INTERN] number of address bits in a bbt entry - * @chip_shift: [INTERN] number of address bits in one chip - * @data_buf: [INTERN] internal buffer for one page + oob - * @oob_buf: [INTERN] oob buffer for one eraseblock - * @oobdirty: [INTERN] indicates that oob_buf must be reinitialized - * @data_poi: [INTERN] pointer to a data buffer - * @options: [BOARDSPECIFIC] various chip options. They can partly be set to inform nand_scan about - * special functionality. See the defines for further explanation - * @badblockpos: [INTERN] position of the bad block marker in the oob area - * @numchips: [INTERN] number of physical chips - * @chipsize: [INTERN] the size of one chip for multichip arrays - * @pagemask: [INTERN] page number mask = number of (pages / chip) - 1 - * @pagebuf: [INTERN] holds the pagenumber which is currently in data_buf - * @autooob: [REPLACEABLE] the default (auto)placement scheme - * @bbt: [INTERN] bad block table pointer - * @bbt_td: [REPLACEABLE] bad block table descriptor for flash lookup - * @bbt_md: [REPLACEABLE] bad block table mirror descriptor - * @badblock_pattern: [REPLACEABLE] bad block scan pattern used for initial bad block scan - * @controller: [OPTIONAL] a pointer to a hardware controller structure which is shared among multiple independend devices - * @priv: [OPTIONAL] pointer to private chip date - */ - -struct nand_chip { - void __iomem *IO_ADDR_R; - void __iomem *IO_ADDR_W; - - u_char (*read_byte)(struct mtd_info *mtd); - void (*write_byte)(struct mtd_info *mtd, u_char byte); - u16 (*read_word)(struct mtd_info *mtd); - void (*write_word)(struct mtd_info *mtd, u16 word); - - void (*write_buf)(struct mtd_info *mtd, const u_char *buf, int len); - void (*read_buf)(struct mtd_info *mtd, u_char *buf, int len); - int (*verify_buf)(struct mtd_info *mtd, const u_char *buf, int len); - void (*select_chip)(struct mtd_info *mtd, int chip); - int (*block_bad)(struct mtd_info *mtd, loff_t ofs, int getchip); - int (*block_markbad)(struct mtd_info *mtd, loff_t ofs); - void (*hwcontrol)(struct mtd_info *mtd, int cmd); - int (*dev_ready)(struct mtd_info *mtd); - void (*cmdfunc)(struct mtd_info *mtd, unsigned command, int column, int page_addr); - int (*waitfunc)(struct mtd_info *mtd, struct nand_chip *this, int state); - int (*calculate_ecc)(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code); - int (*correct_data)(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc); - void (*enable_hwecc)(struct mtd_info *mtd, int mode); - void (*erase_cmd)(struct mtd_info *mtd, int page); - int (*scan_bbt)(struct mtd_info *mtd); - int eccmode; - int eccsize; - int eccbytes; - int eccsteps; - int chip_delay; -#if 0 - spinlock_t chip_lock; - wait_queue_head_t wq; - nand_state_t state; -#endif - int page_shift; - int phys_erase_shift; - int bbt_erase_shift; - int chip_shift; - u_char *data_buf; - u_char *oob_buf; - int oobdirty; - u_char *data_poi; - unsigned int options; - int badblockpos; - int numchips; - unsigned long chipsize; - int pagemask; - int pagebuf; - struct nand_oobinfo *autooob; - uint8_t *bbt; - struct nand_bbt_descr *bbt_td; - struct nand_bbt_descr *bbt_md; - struct nand_bbt_descr *badblock_pattern; - struct nand_hw_control *controller; - void *priv; -}; - -/* - * NAND Flash Manufacturer ID Codes - */ -#define NAND_MFR_TOSHIBA 0x98 -#define NAND_MFR_SAMSUNG 0xec -#define NAND_MFR_FUJITSU 0x04 -#define NAND_MFR_NATIONAL 0x8f -#define NAND_MFR_RENESAS 0x07 -#define NAND_MFR_STMICRO 0x20 - -/** - * struct nand_flash_dev - NAND Flash Device ID Structure - * - * @name: Identify the device type - * @id: device ID code - * @pagesize: Pagesize in bytes. Either 256 or 512 or 0 - * If the pagesize is 0, then the real pagesize - * and the eraseize are determined from the - * extended id bytes in the chip - * @erasesize: Size of an erase block in the flash device. - * @chipsize: Total chipsize in Mega Bytes - * @options: Bitfield to store chip relevant options - */ -struct nand_flash_dev { - char *name; - int id; - unsigned long pagesize; - unsigned long chipsize; - unsigned long erasesize; - unsigned long options; -}; - -/** - * struct nand_manufacturers - NAND Flash Manufacturer ID Structure - * @name: Manufacturer name - * @id: manufacturer ID code of device. -*/ -struct nand_manufacturers { - int id; - char * name; -}; - -extern struct nand_flash_dev nand_flash_ids[]; -extern struct nand_manufacturers nand_manuf_ids[]; - -/** - * struct nand_bbt_descr - bad block table descriptor - * @options: options for this descriptor - * @pages: the page(s) where we find the bbt, used with option BBT_ABSPAGE - * when bbt is searched, then we store the found bbts pages here. - * Its an array and supports up to 8 chips now - * @offs: offset of the pattern in the oob area of the page - * @veroffs: offset of the bbt version counter in the oob are of the page - * @version: version read from the bbt page during scan - * @len: length of the pattern, if 0 no pattern check is performed - * @maxblocks: maximum number of blocks to search for a bbt. This number of - * blocks is reserved at the end of the device where the tables are - * written. - * @reserved_block_code: if non-0, this pattern denotes a reserved (rather than - * bad) block in the stored bbt - * @pattern: pattern to identify bad block table or factory marked good / - * bad blocks, can be NULL, if len = 0 - * - * Descriptor for the bad block table marker and the descriptor for the - * pattern which identifies good and bad blocks. The assumption is made - * that the pattern and the version count are always located in the oob area - * of the first block. - */ -struct nand_bbt_descr { - int options; - int pages[NAND_MAX_CHIPS]; - int offs; - int veroffs; - uint8_t version[NAND_MAX_CHIPS]; - int len; - int maxblocks; - int reserved_block_code; - uint8_t *pattern; -}; - -/* Options for the bad block table descriptors */ - -/* The number of bits used per block in the bbt on the device */ -#define NAND_BBT_NRBITS_MSK 0x0000000F -#define NAND_BBT_1BIT 0x00000001 -#define NAND_BBT_2BIT 0x00000002 -#define NAND_BBT_4BIT 0x00000004 -#define NAND_BBT_8BIT 0x00000008 -/* The bad block table is in the last good block of the device */ -#define NAND_BBT_LASTBLOCK 0x00000010 -/* The bbt is at the given page, else we must scan for the bbt */ -#define NAND_BBT_ABSPAGE 0x00000020 -/* The bbt is at the given page, else we must scan for the bbt */ -#define NAND_BBT_SEARCH 0x00000040 -/* bbt is stored per chip on multichip devices */ -#define NAND_BBT_PERCHIP 0x00000080 -/* bbt has a version counter at offset veroffs */ -#define NAND_BBT_VERSION 0x00000100 -/* Create a bbt if none axists */ -#define NAND_BBT_CREATE 0x00000200 -/* Search good / bad pattern through all pages of a block */ -#define NAND_BBT_SCANALLPAGES 0x00000400 -/* Scan block empty during good / bad block scan */ -#define NAND_BBT_SCANEMPTY 0x00000800 -/* Write bbt if neccecary */ -#define NAND_BBT_WRITE 0x00001000 -/* Read and write back block contents when writing bbt */ -#define NAND_BBT_SAVECONTENT 0x00002000 -/* Search good / bad pattern on the first and the second page */ -#define NAND_BBT_SCAN2NDPAGE 0x00004000 - -/* The maximum number of blocks to scan for a bbt */ -#define NAND_BBT_SCAN_MAXBLOCKS 4 - -extern int nand_scan_bbt (struct mtd_info *mtd, struct nand_bbt_descr *bd); -extern int nand_update_bbt (struct mtd_info *mtd, loff_t offs); -extern int nand_default_bbt (struct mtd_info *mtd); -extern int nand_isbad_bbt (struct mtd_info *mtd, loff_t offs, int allowbbt); -extern int nand_erase_nand (struct mtd_info *mtd, struct erase_info *instr, int allowbbt); - -/* -* Constants for oob configuration -*/ -#define NAND_SMALL_BADBLOCK_POS 5 -#define NAND_LARGE_BADBLOCK_POS 0 - -#endif /* __LINUX_MTD_NAND_NEW_H */ |