summaryrefslogtreecommitdiff
path: root/board/xm250/flash.c
diff options
context:
space:
mode:
authorWolfgang Denk <wd@denx.de>2011-12-07 09:09:58 +0100
committerWolfgang Denk <wd@denx.de>2011-12-07 09:09:58 +0100
commitc786f54b9ace5d7b20a0404a7deb1bae683cd4e8 (patch)
tree8c612b0abb45c0b1bb1ca39df97620a0ab026797 /board/xm250/flash.c
parent99dee4b2ef570f289e2b1f105df0fdb8ad57ebd1 (diff)
parent15422043c4a213dc5d7d59a337be1ab34c9b2e7f (diff)
downloadu-boot-imx-c786f54b9ace5d7b20a0404a7deb1bae683cd4e8.zip
u-boot-imx-c786f54b9ace5d7b20a0404a7deb1bae683cd4e8.tar.gz
u-boot-imx-c786f54b9ace5d7b20a0404a7deb1bae683cd4e8.tar.bz2
Merge branch 'master' of git://git.denx.de/u-boot-arm
* 'master' of git://git.denx.de/u-boot-arm: davinci: Remove unwanted memsize.c from hawkboard's nand spl build devkit8000: Move CONFIG_SYS_TEXT_BASE out of bss da850evm: pass board revision info to kernel arch/arm/include/asm/arch-omap5/clocks.h: Fix GCC 4.2 warnings arch/arm/cpu/armv7/omap-common/clocks-common.c: Fix GCC 4.6 warnings arch/arm/cpu/armv7/omap-common/spl.c: Fix GCC 4.2 warnings MX35: flea3: changes due to hardware revision B MX: serial_mxc: cleanup removing nasty #ifdef M28: Fix OB1 bug in GPIO driver MXS: Add static annotations to dma driver apbh_dma: return error value on timeout Efika: Configure additional regulators for HDMI output mx5: Correct a warning in clock.c MC13892: Add REGMODE0 bits definitions mx51evk: Configure the pins as GPIOs prior to using gpio_get_value mx53smd: Configure the pins as GPIOs prior to using gpio_get_value mx53evk: Configure the pins as GPIOs prior to using gpio_get_value mx53ard: Configure the pins as GPIOs prior to using gpio_get_value mx53loco: Configure the pins as GPIOs prior to using gpio_get_value OMAP3: Add SPL_BOARD_INIT hook AM3517 CraneBoard: Add SPL support AM3517: Add SPL support OMAP3: Add SPL support to omap3_evm OMAP3: Add SPL support to Beagleboard OMAP3 SPL: Add identify_nand_chip function OMAP3 SPL: Rework memory initalization and devkit8000 support OMAP3: Suffix all Micron memory timing parts with their speed OMAP3: Add optimal SDRC autorefresh control values omap3: mem: Add MCFG helper macro OMAP3: Remove get_mem_type prototype OMAP3: Change mem_ok to clear again after reading back OMAP3: Add a helper function to set timings in SDRC OMAP3: Update SDRC dram_init to always call make_cs1_contiguous() omap3: mem: Comment enable_gpmc_cs_config more ARM: davici_emac: Fix condition for number of phy detects arm: printf() is not available in some SPL configurations arm, davinci: add support for am1808 based enbw_cmc board arm, davinci: move misc function in arch tree arm, board/davinci/common/misc.c: Codingstyle cleanup arm, davinci, da850: add uart1 tx rx pinmux config arm, davinci: move davinci_rtc struct to hardware.h arm, davinci: Remove duplication of pinmux configuration code arm, hawkboard: Use the pinmux configurations defined in the arch tree arm, da850evm: Use the pinmux configurations defined in the arch tree arm, da850: Add pinmux configurations to the arch tree arm, da850evm: Do pinmux configuration for EMAC together with other pinmuxes arm, hawkboard: Remove obsolete struct pinmux_config i2c_pins arm, davinci: Move pinmux functions from board to arch tree arm, arm926ejs: always do cpu critical inits omap_gpmc: use SOFTECC in SPL if it's enabled nand_spl_simple: add support for software ECC AM3517: move AM3517 specific mux defines to generic header AM35xx: add EMAC support davinci_emac: hardcode 100Mbps for AM35xx and RMII davinci_emac: fix for running with dcache enabled arm926ejs: add noop implementation for dcache ops davinci_emac: conditionally compile specific PHY support davinci_emac: use internal addresses in buffer descriptors davinci_emac: move arch-independent defines to separate header BeagleBoard: config: Really switch to ttyO2 ARM: davinci_dm6467Tevm: Fix build breakage ARM: OMAP: Remove STACKSIZE for IRQ and FIQ if unused ARM: OMAP3: Remove unused define SDRC_R_C_B ARM: OMAP3: Remove unused define CONFIG_OMAP3430 omap4: fix IO setting omap4+: streamline CONFIG_SYS_TEXT_BASE and other SDRAM addresses omap4460: add ES1.1 identification omap4: emif: fix error in driver omap: remove I2C from SPL omap4460: fix TPS initialization omap: fix cache line size for omap3/omap4 boards omap4: ttyO2 instead of ttyS2 in default bootargs omap: Improve PLL parameter calculation tool start.S: remove omap3 specific code from start.S armv7: setup vector armv7: include armv7/cpu.c in SPL build armv7: disable L2 cache in cleanup_before_linux() arm, arm926ejs: Fix clear bss loop for zero length bss PXA: Move colibri_pxa270 to board/toradex/ PXA: Flip colibri_pxa27x to pxa-common.h PXA: Introduce common configuration header for PXA PXA: Rename pxa_dram_init to pxa2xx_dram_init PXA: Squash extern pxa_dram_init() PXA: Export cpu_is_ and pxa_dram_init functions PXA: Cleanup Colibri PXA270 PXA: Replace timer driver PXA: Add cpuinfo display for PXA2xx PXA: Separate PXA2xx CPU init PXA: Rename CONFIG_PXA2[57]X to CONFIG_CPU_PXA2[57]X PXA: Unify vpac270 environment size PXA: Enable command line editing for vpac270 PXA: Adapt Voipac PXA270 to OneNAND SPL PXA: Drop Voipac PXA270 OneNAND IPL PXA: Fixup PXA25x boards after start.S update PXA: Re-add the Dcache locking as RAM for pxa250 PXA: Rework start.S to be closer to other ARMs PXA: Drop XM250 board PXA: Drop PLEB2 board PXA: Drop CRADLE board PXA: Drop CERF250 board Fix regression in SMDK6400 nand: Add common functions to linux/mtd/nand.h Ethernut 5 board support net: Armada100: Fix compilation warnings ARM: remove duplicated code for LaCie boards ARM: add support for LaCie 2Big Network v2 mvsata: fix ide_preinit for missing disks netspace_v2: Read Ethernet MAC address from EEPROM omap3evm: Add support for EFI partitions part_efi: Fix compile errors
Diffstat (limited to 'board/xm250/flash.c')
-rw-r--r--board/xm250/flash.c535
1 files changed, 0 insertions, 535 deletions
diff --git a/board/xm250/flash.c b/board/xm250/flash.c
deleted file mode 100644
index e825aba..0000000
--- a/board/xm250/flash.c
+++ /dev/null
@@ -1,535 +0,0 @@
-/*
- * (C) Copyright 2001
- * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
- *
- * (C) Copyright 2001-2004
- * 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 <common.h>
-#include <linux/byteorder/swab.h>
-
-
-flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
-
-/* Board support for 1 or 2 flash devices */
-#define FLASH_PORT_WIDTH32
-#undef FLASH_PORT_WIDTH16
-
-#ifdef FLASH_PORT_WIDTH16
-#define FLASH_PORT_WIDTH ushort
-#define FLASH_PORT_WIDTHV vu_short
-#define SWAP(x) __swab16(x)
-#else
-#define FLASH_PORT_WIDTH ulong
-#define FLASH_PORT_WIDTHV vu_long
-#define SWAP(x) __swab32(x)
-#endif
-
-/* Intel-compatible flash ID */
-#define INTEL_COMPAT 0x00890089
-#define INTEL_ALT 0x00B000B0
-
-/* Intel-compatible flash commands */
-#define INTEL_PROGRAM 0x00100010
-#define INTEL_ERASE 0x00200020
-#define INTEL_CLEAR 0x00500050
-#define INTEL_LOCKBIT 0x00600060
-#define INTEL_PROTECT 0x00010001
-#define INTEL_STATUS 0x00700070
-#define INTEL_READID 0x00900090
-#define INTEL_CONFIRM 0x00D000D0
-#define INTEL_RESET 0xFFFFFFFF
-
-/* Intel-compatible flash status bits */
-#define INTEL_FINISHED 0x00800080
-#define INTEL_OK 0x00800080
-
-#define FPW FLASH_PORT_WIDTH
-#define FPWV FLASH_PORT_WIDTHV
-
-#define mb() __asm__ __volatile__ ("" : : : "memory")
-
-/*-----------------------------------------------------------------------
- * Functions
- */
-static ulong flash_get_size (FPW *addr, flash_info_t *info);
-static int write_data (flash_info_t *info, ulong dest, FPW data);
-static void flash_get_offsets (ulong base, flash_info_t *info);
-void inline spin_wheel (void);
-
-/*-----------------------------------------------------------------------
- */
-
-unsigned long flash_init (void)
-{
- int i;
- ulong size = 0;
-
- for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) {
- switch (i) {
- case 0:
- flash_get_size ((FPW *) PHYS_FLASH_1, &flash_info[i]);
- flash_get_offsets (PHYS_FLASH_1, &flash_info[i]);
- break;
- case 1:
- flash_get_size ((FPW *) PHYS_FLASH_2, &flash_info[i]);
- flash_get_offsets (PHYS_FLASH_2, &flash_info[i]);
- break;
- default:
- panic ("configured to many flash banks!\n");
- break;
- }
- size += flash_info[i].size;
- }
-
- /* Protect monitor and environment sectors
- */
- flash_protect ( FLAG_PROTECT_SET,
- CONFIG_SYS_FLASH_BASE,
- CONFIG_SYS_FLASH_BASE + monitor_flash_len - 1,
- &flash_info[0] );
-
- flash_protect ( FLAG_PROTECT_SET,
- CONFIG_ENV_ADDR,
- CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, &flash_info[0] );
-
- return size;
-}
-
-/*-----------------------------------------------------------------------
- */
-static void flash_get_offsets (ulong base, flash_info_t *info)
-{
- int i;
-
- if (info->flash_id == FLASH_UNKNOWN) {
- return;
- }
-
- if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
- for (i = 0; i < info->sector_count; i++) {
- info->start[i] = base + (i * PHYS_FLASH_SECT_SIZE);
- info->protect[i] = 0;
- }
- }
-}
-
-/*-----------------------------------------------------------------------
- */
-void flash_print_info (flash_info_t *info)
-{
- int i;
-
- if (info->flash_id == FLASH_UNKNOWN) {
- printf ("missing or unknown FLASH type\n");
- return;
- }
-
- switch (info->flash_id & FLASH_VENDMASK) {
- case FLASH_MAN_INTEL:
- printf ("INTEL ");
- break;
- default:
- printf ("Unknown Vendor ");
- break;
- }
-
- switch (info->flash_id & FLASH_TYPEMASK) {
- case FLASH_28F128J3A:
- printf ("28F128J3A\n");
- break;
-
- case FLASH_28F640J3A:
- printf ("28F640J3A\n");
- break;
- default:
- printf ("Unknown Chip Type\n");
- break;
- }
-
- printf (" Size: %ld MB in %d Sectors\n",
- info->size >> 20, info->sector_count);
-
- printf (" Sector Start Addresses:");
- for (i = 0; i < info->sector_count; ++i) {
- if ((i % 5) == 0)
- printf ("\n ");
- printf (" %08lX%s",
- info->start[i],
- info->protect[i] ? " (RO)" : " ");
- }
- printf ("\n");
- return;
-}
-
-/*
- * The following code cannot be run from FLASH!
- */
-static ulong flash_get_size (FPW *addr, flash_info_t *info)
-{
- volatile FPW value;
-
- /* Write auto select command: read Manufacturer ID */
- addr[0x5555] = (FPW) 0x00AA00AA;
- addr[0x2AAA] = (FPW) 0x00550055;
- addr[0x5555] = (FPW) 0x00900090;
-
- mb ();
- value = addr[0];
-
- switch (value) {
-
- case (FPW) INTEL_MANUFACT:
- info->flash_id = FLASH_MAN_INTEL;
- break;
-
- default:
- info->flash_id = FLASH_UNKNOWN;
- info->sector_count = 0;
- info->size = 0;
- addr[0] = (FPW) 0x00FF00FF; /* restore read mode */
- return (0); /* no or unknown flash */
- }
-
- mb ();
- value = addr[1]; /* device ID */
-
- switch (value) {
-
- case (FPW) INTEL_ID_28F128J3A:
- info->flash_id += FLASH_28F128J3A;
- info->sector_count = 128;
- info->size = 0x02000000;
- break; /* => 32 MB */
-
- case (FPW) INTEL_ID_28F640J3A:
- info->flash_id += FLASH_28F640J3A;
- info->sector_count = 64;
- info->size = 0x01000000;
- break; /* => 16 MB */
-
- default:
- info->flash_id = FLASH_UNKNOWN;
- break;
- }
-
- if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) {
- printf ("** ERROR: sector count %d > max (%d) **\n",
- info->sector_count, CONFIG_SYS_MAX_FLASH_SECT);
- info->sector_count = CONFIG_SYS_MAX_FLASH_SECT;
- }
-
- addr[0] = (FPW) 0x00FF00FF; /* restore read mode */
-
- return (info->size);
-}
-
-
-/*-----------------------------------------------------------------------
- */
-
-int flash_erase (flash_info_t *info, int s_first, int s_last)
-{
- int flag, prot, sect;
- ulong type, start;
- int rcode = 0;
-
- if ((s_first < 0) || (s_first > s_last)) {
- if (info->flash_id == FLASH_UNKNOWN) {
- printf ("- missing\n");
- } else {
- printf ("- no sectors to erase\n");
- }
- return 1;
- }
-
- type = (info->flash_id & FLASH_VENDMASK);
- if ((type != FLASH_MAN_INTEL)) {
- printf ("Can't erase unknown flash type %08lx - aborted\n",
- info->flash_id);
- return 1;
- }
-
- prot = 0;
- for (sect = s_first; sect <= s_last; ++sect) {
- if (info->protect[sect]) {
- prot++;
- }
- }
-
- if (prot) {
- printf ("- Warning: %d protected sectors will not be erased!\n",
- prot);
- } else {
- printf ("\n");
- }
-
- /* Disable interrupts which might cause a timeout here */
- flag = disable_interrupts ();
-
- /* Start erase on unprotected sectors */
- for (sect = s_first; sect <= s_last; sect++) {
- if (info->protect[sect] == 0) { /* not protected */
- FPWV *addr = (FPWV *) (info->start[sect]);
- FPW status;
-
- printf ("Erasing sector %2d ... ", sect);
-
- /* arm simple, non interrupt dependent timer */
- start = get_timer(0);
-
- *addr = (FPW) 0x00500050; /* clear status register */
- *addr = (FPW) 0x00200020; /* erase setup */
- *addr = (FPW) 0x00D000D0; /* erase confirm */
-
- while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
- if (get_timer(start) > CONFIG_SYS_FLASH_ERASE_TOUT) {
- printf ("Timeout\n");
- *addr = (FPW) 0x00B000B0; /* suspend erase */
- *addr = (FPW) 0x00FF00FF; /* reset to read mode */
- rcode = 1;
- break;
- }
- }
-
- *addr = 0x00500050; /* clear status register cmd. */
- *addr = 0x00FF00FF; /* resest to read mode */
-
- printf (" done\n");
- }
- }
- return rcode;
-}
-
-/*-----------------------------------------------------------------------
- * Copy memory to flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- * 4 - Flash not identified
- */
-
-int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
-{
- ulong cp, wp;
- FPW data;
- int count, i, l, rc, port_width;
-
- if (info->flash_id == FLASH_UNKNOWN) {
- return 4;
- }
-/* get lower word aligned address */
-#ifdef FLASH_PORT_WIDTH16
- wp = (addr & ~1);
- port_width = 2;
-#else
- wp = (addr & ~3);
- port_width = 4;
-#endif
-
- /*
- * handle unaligned start bytes
- */
- if ((l = addr - wp) != 0) {
- data = 0;
- for (i = 0, cp = wp; i < l; ++i, ++cp) {
- data = (data << 8) | (*(uchar *) cp);
- }
- for (; i < port_width && cnt > 0; ++i) {
- data = (data << 8) | *src++;
- --cnt;
- ++cp;
- }
- for (; cnt == 0 && i < port_width; ++i, ++cp) {
- data = (data << 8) | (*(uchar *) cp);
- }
-
- if ((rc = write_data (info, wp, SWAP (data))) != 0) {
- return (rc);
- }
- wp += port_width;
- }
-
- /*
- * handle word aligned part
- */
- count = 0;
- while (cnt >= port_width) {
- data = 0;
- for (i = 0; i < port_width; ++i) {
- data = (data << 8) | *src++;
- }
- if ((rc = write_data (info, wp, SWAP (data))) != 0) {
- return (rc);
- }
- wp += port_width;
- cnt -= port_width;
- if (count++ > 0x800) {
- spin_wheel ();
- count = 0;
- }
- }
-
- if (cnt == 0) {
- return (0);
- }
-
- /*
- * handle unaligned tail bytes
- */
- data = 0;
- for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) {
- data = (data << 8) | *src++;
- --cnt;
- }
- for (; i < port_width; ++i, ++cp) {
- data = (data << 8) | (*(uchar *) cp);
- }
-
- return (write_data (info, wp, SWAP (data)));
-}
-
-/*-----------------------------------------------------------------------
- * Write a word or halfword to Flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- */
-static int write_data (flash_info_t *info, ulong dest, FPW data)
-{
- FPWV *addr = (FPWV *) dest;
- ulong status;
- int flag;
- ulong start;
-
- /* Check if Flash is (sufficiently) erased */
- if ((*addr & data) != data) {
- printf ("not erased at %08lx (%lx)\n", (ulong) addr, *addr);
- return (2);
- }
- /* Disable interrupts which might cause a timeout here */
- flag = disable_interrupts ();
-
- *addr = (FPW) 0x00400040; /* write setup */
- *addr = data;
-
- /* arm simple, non interrupt dependent timer */
- start = get_timer(0);
-
- /* wait while polling the status register */
- while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
- if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
- *addr = (FPW) 0x00FF00FF; /* restore read mode */
- return (1);
- }
- }
-
- *addr = (FPW) 0x00FF00FF; /* restore read mode */
-
- return (0);
-}
-
-void inline spin_wheel (void)
-{
- static int p = 0;
- static char w[] = "\\/-";
-
- printf ("\010%c", w[p]);
- (++p == 3) ? (p = 0) : 0;
-}
-
-/*-----------------------------------------------------------------------
- * Set/Clear sector's lock bit, returns:
- * 0 - OK
- * 1 - Error (timeout, voltage problems, etc.)
- */
-int flash_real_protect(flash_info_t *info, long sector, int prot)
-{
- int i;
- int rc = 0;
- vu_long *addr = (vu_long *)(info->start[sector]);
- int flag = disable_interrupts();
- ulong start;
-
- *addr = INTEL_CLEAR; /* Clear status register */
- if (prot) { /* Set sector lock bit */
- *addr = INTEL_LOCKBIT; /* Sector lock bit */
- *addr = INTEL_PROTECT; /* set */
- }
- else { /* Clear sector lock bit */
- *addr = INTEL_LOCKBIT; /* All sectors lock bits */
- *addr = INTEL_CONFIRM; /* clear */
- }
-
- start = get_timer(0);
-
- while ((*addr & INTEL_FINISHED) != INTEL_FINISHED) {
- if (get_timer(start) > CONFIG_SYS_FLASH_UNLOCK_TOUT) {
- printf("Flash lock bit operation timed out\n");
- rc = 1;
- break;
- }
- }
-
- if (*addr != INTEL_OK) {
- printf("Flash lock bit operation failed at %08X, CSR=%08X\n",
- (uint)addr, (uint)*addr);
- rc = 1;
- }
-
- if (!rc)
- info->protect[sector] = prot;
-
- /*
- * Clear lock bit command clears all sectors lock bits, so
- * we have to restore lock bits of protected sectors.
- */
- if (!prot)
- {
- for (i = 0; i < info->sector_count; i++)
- {
- if (info->protect[i])
- {
- start = get_timer(0);
- addr = (vu_long *)(info->start[i]);
- *addr = INTEL_LOCKBIT; /* Sector lock bit */
- *addr = INTEL_PROTECT; /* set */
- while ((*addr & INTEL_FINISHED) != INTEL_FINISHED)
- {
- if (get_timer(start) > CONFIG_SYS_FLASH_UNLOCK_TOUT)
- {
- printf("Flash lock bit operation timed out\n");
- rc = 1;
- break;
- }
- }
- }
- }
- }
-
- if (flag)
- enable_interrupts();
-
- *addr = INTEL_RESET; /* Reset to read array mode */
-
- return rc;
-}