diff options
| author | wdenk <wdenk> | 2003-07-16 21:53:01 +0000 |
|---|---|---|
| committer | wdenk <wdenk> | 2003-07-16 21:53:01 +0000 |
| commit | 945af8d723a29e9b6289d84250745ed0dc16fc81 (patch) | |
| tree | 6798d0b717c05b01742df0c410038c702b8a1979 | |
| parent | cb4dbb7bbc271f988e14ec353a5e86d7f10e1da0 (diff) | |
| download | u-boot-imx-945af8d723a29e9b6289d84250745ed0dc16fc81.zip u-boot-imx-945af8d723a29e9b6289d84250745ed0dc16fc81.tar.gz u-boot-imx-945af8d723a29e9b6289d84250745ed0dc16fc81.tar.bz2 | |
* Add support for IceCube board (with MGT5100 and MPC5200 CPUs)
* Add support for MGT5100 and MPC5200 processors
56 files changed, 6165 insertions, 542 deletions
@@ -1,9 +1,20 @@ ====================================================================== +Changes for U-Boot 0.4.4: +====================================================================== + +* Add support for IceCube board (with MGT5100 and MPC5200 CPUs) + +* Add support for MGT5100 and MPC5200 processors + +* Patch by Lutz Dennig, 15 Jul 2003: + update for R360MPI board + +====================================================================== Changes for U-Boot 0.4.3: ====================================================================== * Patches by Kshitij, 04 Jul 2003 - - added support for arm925t cpu core + - added support for arm925t cpu core - added support for TI OMAP 1510 Innovator Board * Patches by Martin Krause, 14 Jul 2003: @@ -24,7 +35,7 @@ Changes for U-Boot 0.4.3: - Fix PCI config table for A3000 - Fix iobase for natsemi.c (PCI_BASE_ADDRESS_0 is the IO base register for DP83815) - + * Allow to enable "slow" POST routines by key press on power-on * Fix temperature dependend switching of LCD backlight on LWMON * Tweak output format for LWMON diff --git a/MAINTAINERS b/MAINTAINERS index 69263ce..7f50738 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -52,6 +52,8 @@ Wolfgang Denk <wd@denx.de> FPS850L MPC850 FPS860L MPC860 ICU862 MPC862 + IceCube_5100 MGT5100 + IceCube_5200 MPC5200 IP860 MPC860 IVML24 MPC860 IVML24_128 MPC860 @@ -19,6 +19,14 @@ LIST_5xx=" \ " ######################################################################### +## MPC5xxx Systems +######################################################################### + +LIST_5xxx=" \ + IceCube_5100 IceCube_5200 \ +" + +######################################################################### ## MPC8xx Systems ######################################################################### @@ -45,9 +53,9 @@ LIST_8xx=" \ LIST_4xx=" \ ADCIOP AR405 ASH405 BUBINGA405EP \ - CANBT CPCI405 CPCI4052 CPCI405AB \ + CANBT CPCI405 CPCI4052 CPCI405AB \ CPCI440 CPCIISER4 CRAYL1 DASA_SIM \ - DU405 EBONY ERIC EXBITGEN \ + DU405 EBONY ERIC EXBITGEN \ MIP405 MIP405T ML2 OCRTC \ ORSG PCI405 PIP405 PMC405 \ W7OLMC W7OLMG WALNUT405 \ @@ -87,7 +95,8 @@ LIST_7xx=" \ BAB7xx ELPPC \ " -LIST_ppc="${LIST_5xx} ${LIST_8xx} \ +LIST_ppc="${LIST_5xx} ${LIST_5xxx} \ + ${LIST_8xx} \ ${LIST_824x} ${LIST_8260} \ ${LIST_4xx} \ ${LIST_74xx} ${LIST_7xx}" @@ -159,7 +168,7 @@ build_target() { for arg in $@ do case "$arg" in - 5xx|8xx|824x|8260|4xx|7xx|74xx|SA|ARM7|ARM9|ppc|arm|pxa|mips|I486|x86) + 5xx|5xxx|8xx|824x|8260|4xx|7xx|74xx|SA|ARM7|ARM9|ppc|arm|pxa|mips|I486|x86) for target in `eval echo '$LIST_'${arg}` do build_target ${target} @@ -182,6 +182,22 @@ cmi_mpc5xx_config: unconfig @./mkconfig $(@:_config=) ppc mpc5xx cmi ######################################################################### +## MPC5xxx Systems +######################################################################### +IceCube_5200_config \ +IceCube_5100_config: unconfig + @ >include/config.h + @[ -z "$(findstring _5200,$@)" ] || \ + { echo "#define CONFIG_MPC5200" >>include/config.h ; \ + echo "... with MPC5200 processor" ; \ + } + @[ -z "$(findstring _5100,$@)" ] || \ + { echo "#define CONFIG_MGT5100" >>include/config.h ; \ + echo "... with MGT5100 processor" ; \ + } + @./mkconfig -a IceCube ppc mpc5xxx icecube + +######################################################################### ## MPC8xx Systems ######################################################################### @@ -206,7 +206,7 @@ Directory Hierarchy: - board/mvs1 Files specific to MVS1 boards - board/nx823 Files specific to NX823 boards - board/oxc Files specific to OXC boards -- board/omap1510inn +- board/omap1510inn Files specific to OMAP 1510 Innovator boards - board/pcippc2 Files specific to PCIPPC2/PCIPPC6 boards - board/pm826 Files specific to PM826 boards @@ -913,35 +913,35 @@ The following options need to be configured: - I2C Support: CONFIG_HARD_I2C | CONFIG_SOFT_I2C These enable I2C serial bus commands. Defining either of - (but not both of) CONFIG_HARD_I2C or CONFIG_SOFT_I2C will - include the appropriate I2C driver for the selected cpu. + (but not both of) CONFIG_HARD_I2C or CONFIG_SOFT_I2C will + include the appropriate I2C driver for the selected cpu. - This will allow you to use i2c commands at the u-boot - command line (as long as you set CFG_CMD_I2C in + This will allow you to use i2c commands at the u-boot + command line (as long as you set CFG_CMD_I2C in CONFIG_COMMANDS) and communicate with i2c based realtime clock chips. See common/cmd_i2c.c for a description of the command line interface. - CONFIG_HARD_I2C selects the CPM hardware driver for I2C. + CONFIG_HARD_I2C selects the CPM hardware driver for I2C. - CONFIG_SOFT_I2C configures u-boot to use a software (aka + CONFIG_SOFT_I2C configures u-boot to use a software (aka bit-banging) driver instead of CPM or similar hardware support for I2C. - There are several other quantities that must also be + There are several other quantities that must also be defined when you define CONFIG_HARD_I2C or CONFIG_SOFT_I2C. In both cases you will need to define CFG_I2C_SPEED - to be the frequency (in Hz) at which you wish your i2c bus - to run and CFG_I2C_SLAVE to be the address of this node (ie - the cpu's i2c node address). - + to be the frequency (in Hz) at which you wish your i2c bus + to run and CFG_I2C_SLAVE to be the address of this node (ie + the cpu's i2c node address). + Now, the u-boot i2c code for the mpc8xx (cpu/mpc8xx/i2c.c) sets the cpu up as a master node and so its address should therefore be cleared to 0 (See, eg, MPC823e User's Manual - p.16-473). So, set CFG_I2C_SLAVE to 0. + p.16-473). So, set CFG_I2C_SLAVE to 0. - That's all that's required for CONFIG_HARD_I2C. + That's all that's required for CONFIG_HARD_I2C. If you use the software i2c interface (CONFIG_SOFT_I2C) then the following macros need to be defined (examples are @@ -999,15 +999,15 @@ The following options need to be configured: eg: #define I2C_SCL(bit) \ if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \ - else immr->im_cpm.cp_pbdat &= ~PB_SCL + else immr->im_cpm.cp_pbdat &= ~PB_SCL I2C_DELAY This delay is invoked four times per clock cycle so this controls the rate of data transfer. The data rate thus is 1 / (I2C_DELAY * 4). Often defined to be something - like: - + like: + #define I2C_DELAY udelay(2) CFG_I2C_INIT_BOARD @@ -1862,7 +1862,7 @@ configurations; the following names are supported: GENIETV_config TQM823L_config PIP405_config GEN860T_config EBONY_config FPS860L_config ELPT860_config cmi_mpc5xx_config NETVIA_config - at91rm9200dk_config omap1510inn_config + at91rm9200dk_config omap1510inn_config Note: for some board special configuration names may exist; check if additional information is available from the board vendor; for diff --git a/board/a3000/a3000.c b/board/a3000/a3000.c index 8d66585..efc95a3 100644 --- a/board/a3000/a3000.c +++ b/board/a3000/a3000.c @@ -91,31 +91,31 @@ Done: */ #ifndef CONFIG_PCI_PNP static struct pci_config_table pci_a3000_config_table[] = { - /* vendor, device, class */ - /* bus, dev, func */ + /* vendor, device, class */ + /* bus, dev, func */ { PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_83815, PCI_ANY_ID, - PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, /* dp83815 eth0 divice */ + PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, /* dp83815 eth0 divice */ pci_cfgfunc_config_device, { PCI_ENET0_IOADDR, PCI_ENET0_MEMADDR, PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }}, { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, - PCI_ANY_ID, 0x14, PCI_ANY_ID, /* PCI slot1 */ + PCI_ANY_ID, 0x14, PCI_ANY_ID, /* PCI slot1 */ pci_cfgfunc_config_device, { PCI_ENET1_IOADDR, PCI_ENET1_MEMADDR, PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }}, { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, - PCI_ANY_ID, 0x15, PCI_ANY_ID, /* PCI slot2 */ + PCI_ANY_ID, 0x15, PCI_ANY_ID, /* PCI slot2 */ pci_cfgfunc_config_device, { PCI_ENET2_IOADDR, PCI_ENET2_MEMADDR, PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }}, { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, - PCI_ANY_ID, 0x16, PCI_ANY_ID, /* PCI slot3 */ + PCI_ANY_ID, 0x16, PCI_ANY_ID, /* PCI slot3 */ pci_cfgfunc_config_device, { PCI_ENET3_IOADDR, PCI_ENET3_MEMADDR, PCI_COMMAND_IO | diff --git a/board/exbitgen/flash.c b/board/exbitgen/flash.c index f687ea3..ae88994 100644 --- a/board/exbitgen/flash.c +++ b/board/exbitgen/flash.c @@ -217,7 +217,7 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info) short i; FLASH_WORD_SIZE value; ulong base = (ulong)addr; - volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *)addr; + volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *)addr; /* Write auto select command: read Manufacturer ID */ addr2[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA; @@ -247,7 +247,7 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info) switch (value) { case (FLASH_WORD_SIZE)AMD_ID_F040B: - info->flash_id += FLASH_AM040; + info->flash_id += FLASH_AM040; info->sector_count = 8; info->size = 0x0080000; /* => 512 ko */ break; @@ -335,14 +335,14 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info) } /* set up sector start address table */ - if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) || + if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) || (info->flash_id == FLASH_AM040) || (info->flash_id == FLASH_AMDLV033C) || (info->flash_id == FLASH_AMDLV065D)) { ulong sectsize = info->size / info->sector_count; for (i = 0; i < info->sector_count; i++) info->start[i] = base + (i * sectsize); - } else { + } else { if (info->flash_id & FLASH_BTYPE) { /* set sector offsets for bottom boot block type */ info->start[0] = base + 0x00000000; @@ -370,9 +370,9 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info) /* D0 = 1 if protected */ addr2 = (volatile FLASH_WORD_SIZE *)(info->start[i]); - if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) info->protect[i] = 0; - else + else info->protect[i] = addr2[2] & 1; } @@ -450,7 +450,7 @@ int flash_erase (flash_info_t *info, int s_first, int s_last) while ((addr2[0] & 0x00800080) != (FLASH_WORD_SIZE) 0x00800080) { if ((now=get_timer(start)) > - CFG_FLASH_ERASE_TOUT) { + CFG_FLASH_ERASE_TOUT) { printf ("Timeout\n"); addr[0] = (FLASH_WORD_SIZE)0x00F000F0; return 1; @@ -551,12 +551,12 @@ int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) */ static int write_word (flash_info_t *info, ulong dest, ulong data) { - volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *)(info->start[0]); - volatile FLASH_WORD_SIZE *dest2 = (FLASH_WORD_SIZE *)dest; - volatile FLASH_WORD_SIZE *data2 = (FLASH_WORD_SIZE *)&data; + volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *)(info->start[0]); + volatile FLASH_WORD_SIZE *dest2 = (FLASH_WORD_SIZE *)dest; + volatile FLASH_WORD_SIZE *data2 = (FLASH_WORD_SIZE *)&data; ulong start; int flag; - int i; + int i; /* Check if Flash is (sufficiently) erased */ if ((*((volatile ulong *)dest) & data) != data) { @@ -565,7 +565,7 @@ static int write_word (flash_info_t *info, ulong dest, ulong data) return 2; } - for (i=0; i < 4/sizeof(FLASH_WORD_SIZE); i++) { + for (i=0; i < 4/sizeof(FLASH_WORD_SIZE); i++) { /* Disable interrupts which might cause a timeout here */ flag = disable_interrupts(); diff --git a/board/exbitgen/init.S b/board/exbitgen/init.S index 96b0aba..0e6cd04 100644 --- a/board/exbitgen/init.S +++ b/board/exbitgen/init.S @@ -34,7 +34,7 @@ #include <asm/mmu.h> #include "exbitgen.h" - + /* IIC declarations (This is an extract from 405gp_i2c.h, which also contains some */ /* c-code declarations and consequently can't be included here). */ /* (Possibly to be solved somehow else). */ @@ -100,25 +100,25 @@ #define TIMEBASE_10PS (1000000000 / CONFIG_SYS_CLK_FREQ) * 100 #define FLASH_8bit_AP 0x9B015480 -#define FLASH_8bit_CR 0xFFF18000 /* 1MB(min), 8bit, R/W */ +#define FLASH_8bit_CR 0xFFF18000 /* 1MB(min), 8bit, R/W */ #define FLASH_32bit_AP 0x9B015480 #define FLASH_32bit_CR 0xFFE3C000 /* 2MB, 32bit, R/W */ #define WDCR_EBC(reg,val) addi r4,0,reg;\ - mtdcr ebccfga,r4;\ - addis r4,0,val@h;\ - ori r4,r4,val@l;\ - mtdcr ebccfgd,r4 + mtdcr ebccfga,r4;\ + addis r4,0,val@h;\ + ori r4,r4,val@l;\ + mtdcr ebccfgd,r4 /*--------------------------------------------------------------------- * Function: ext_bus_cntlr_init - * Description: Initializes the External Bus Controller for the external - * peripherals. IMPORTANT: For pass1 this code must run from + * Description: Initializes the External Bus Controller for the external + * peripherals. IMPORTANT: For pass1 this code must run from * cache since you can not reliably change a peripheral banks * timing register (pbxap) while running code from that bank. - * For ex., since we are running from ROM on bank 0, we can NOT + * For ex., since we are running from ROM on bank 0, we can NOT * execute the code that modifies bank 0 timings from ROM, so * we run it from cache. * Bank 0 - Boot flash @@ -126,63 +126,63 @@ * Bank 5 - CPLD * Bank 6 - not used * Bank 7 - Heathrow chip - *--------------------------------------------------------------------- + *--------------------------------------------------------------------- */ - .globl ext_bus_cntlr_init + .globl ext_bus_cntlr_init ext_bus_cntlr_init: - mflr r4 /* save link register */ - bl ..getAddr + mflr r4 /* save link register */ + bl ..getAddr ..getAddr: - mflr r3 /* get address of ..getAddr */ - mtlr r4 /* restore link register */ - addi r4,0,14 /* set ctr to 10; used to prefetch */ - mtctr r4 /* 10 cache lines to fit this function */ - /* in cache (gives us 8x10=80 instrctns) */ + mflr r3 /* get address of ..getAddr */ + mtlr r4 /* restore link register */ + addi r4,0,14 /* set ctr to 10; used to prefetch */ + mtctr r4 /* 10 cache lines to fit this function */ + /* in cache (gives us 8x10=80 instrctns) */ ..ebcloop: - icbt r0,r3 /* prefetch cache line for addr in r3 */ - addi r3,r3,32 /* move to next cache line */ - bdnz ..ebcloop /* continue for 10 cache lines */ + icbt r0,r3 /* prefetch cache line for addr in r3 */ + addi r3,r3,32 /* move to next cache line */ + bdnz ..ebcloop /* continue for 10 cache lines */ mflr r31 /* save link register */ - - /*----------------------------------------------------------- - * Delay to ensure all accesses to ROM are complete before changing + + /*----------------------------------------------------------- + * Delay to ensure all accesses to ROM are complete before changing * bank 0 timings. 200usec should be enough. - * 200,000,000 (cycles/sec) X .000200 (sec) = 0x9C40 cycles - *----------------------------------------------------------- + * 200,000,000 (cycles/sec) X .000200 (sec) = 0x9C40 cycles + *----------------------------------------------------------- */ addis r3,0,0x0 - ori r3,r3,0xA000 /* ensure 200usec have passed since reset */ - mtctr r3 + ori r3,r3,0xA000 /* ensure 200usec have passed since reset */ + mtctr r3 ..spinlp: - bdnz ..spinlp /* spin loop */ + bdnz ..spinlp /* spin loop */ - /*--------------------------------------------------------------- - * Memory Bank 0 (Boot Flash) initialization - *--------------------------------------------------------------- + /*--------------------------------------------------------------- + * Memory Bank 0 (Boot Flash) initialization + *--------------------------------------------------------------- */ WDCR_EBC(pb0ap, FLASH_32bit_AP) WDCR_EBC(pb0cr, 0xffe38000) /*pnc WDCR_EBC(pb0cr, FLASH_32bit_CR) */ - - /*--------------------------------------------------------------- - * Memory Bank 5 (CPLD) initialization - *--------------------------------------------------------------- + + /*--------------------------------------------------------------- + * Memory Bank 5 (CPLD) initialization + *--------------------------------------------------------------- */ WDCR_EBC(pb5ap, 0x01010040) /*jsa recommendation: WDCR_EBC(pb5ap, 0x00010040) */ WDCR_EBC(pb5cr, 0x10038000) - /*--------------------------------------------------------------- */ - /* Memory Bank 6 (not used) initialization */ - /*--------------------------------------------------------------- */ + /*--------------------------------------------------------------- */ + /* Memory Bank 6 (not used) initialization */ + /*--------------------------------------------------------------- */ WDCR_EBC(pb6cr, 0x00000000) /* Read HW ID to determine whether old H2 board or new generic CPU board */ addis r3, 0, HW_ID_ADDR@h ori r3, r3, HW_ID_ADDR@l - lbz r3,0x0000(r3) + lbz r3,0x0000(r3) cmpi 0, r3, 1 /* if (HW_ID==1) */ beq setup_h2evalboard /* then jump */ cmpi 0, r3, 2 /* if (HW_ID==2) */ @@ -191,9 +191,9 @@ ext_bus_cntlr_init: beq setup_genieboard /* then jump */ setup_genieboard: - /*--------------------------------------------------------------- */ - /* Memory Bank 1 (Application Flash) initialization for generic CPU board */ - /*--------------------------------------------------------------- */ + /*--------------------------------------------------------------- */ + /* Memory Bank 1 (Application Flash) initialization for generic CPU board */ + /*--------------------------------------------------------------- */ /* WDCR_EBC(pb1ap, 0x7b015480) /###* T.B.M. */ /* WDCR_EBC(pb1ap, 0x7F8FFE80) /###* T.B.M. */ WDCR_EBC(pb1ap, 0x9b015480) /* hlb-20020207: burst 8 bit 6 cycles */ @@ -201,68 +201,68 @@ setup_genieboard: /* WDCR_EBC(pb1cr, 0x20098000) /###* 16 MB */ WDCR_EBC(pb1cr, 0x200B8000) /* 32 MB */ - /*--------------------------------------------------------------- */ - /* Memory Bank 4 (Onboard FPGA) initialization for generic CPU board */ - /*--------------------------------------------------------------- */ + /*--------------------------------------------------------------- */ + /* Memory Bank 4 (Onboard FPGA) initialization for generic CPU board */ + /*--------------------------------------------------------------- */ WDCR_EBC(pb4ap, 0x01010000) /* */ WDCR_EBC(pb4cr, 0x1021c000) /* */ - /*--------------------------------------------------------------- */ - /* Memory Bank 7 (Heathrow chip on Reference board) initialization */ - /*--------------------------------------------------------------- */ + /*--------------------------------------------------------------- */ + /* Memory Bank 7 (Heathrow chip on Reference board) initialization */ + /*--------------------------------------------------------------- */ WDCR_EBC(pb7ap, 0x200ffe80) /* No Ready, many wait states (let reflections die out) */ WDCR_EBC(pb7cr, 0X4001A000) bl setup_continue - + setup_h2evalboard: - /*--------------------------------------------------------------- */ - /* Memory Bank 1 (Application Flash) initialization */ - /*--------------------------------------------------------------- */ + /*--------------------------------------------------------------- */ + /* Memory Bank 1 (Application Flash) initialization */ + /*--------------------------------------------------------------- */ WDCR_EBC(pb1ap, 0x7b015480) /* T.B.M. */ /*3010 WDCR_EBC(pb1ap, 0x7F8FFE80) /###* T.B.M. */ - WDCR_EBC(pb1cr, 0x20058000) + WDCR_EBC(pb1cr, 0x20058000) - /*--------------------------------------------------------------- */ - /* Memory Bank 2 (Application Flash) initialization */ - /*--------------------------------------------------------------- */ + /*--------------------------------------------------------------- */ + /* Memory Bank 2 (Application Flash) initialization */ + /*--------------------------------------------------------------- */ WDCR_EBC(pb2ap, 0x7b015480) /* T.B.M. */ /*3010 WDCR_EBC(pb2ap, 0x7F8FFE80) /###* T.B.M. */ - WDCR_EBC(pb2cr, 0x20458000) + WDCR_EBC(pb2cr, 0x20458000) /*--------------------------------------------------------------- */ - /* Memory Bank 3 (Application Flash) initialization */ - /*--------------------------------------------------------------- */ + /* Memory Bank 3 (Application Flash) initialization */ + /*--------------------------------------------------------------- */ WDCR_EBC(pb3ap, 0x7b015480) /* T.B.M. */ /*3010 WDCR_EBC(pb3ap, 0x7F8FFE80) /###* T.B.M. */ - WDCR_EBC(pb3cr, 0x20858000) + WDCR_EBC(pb3cr, 0x20858000) - /*--------------------------------------------------------------- */ - /* Memory Bank 4 (Application Flash) initialization */ - /*--------------------------------------------------------------- */ + /*--------------------------------------------------------------- */ + /* Memory Bank 4 (Application Flash) initialization */ + /*--------------------------------------------------------------- */ WDCR_EBC(pb4ap, 0x7b015480) /* T.B.M. */ /*3010 WDCR_EBC(pb4ap, 0x7F8FFE80) /###* T.B.M. */ WDCR_EBC(pb4cr, 0x20C58000) - /*--------------------------------------------------------------- */ - /* Memory Bank 7 (Heathrow chip) initialization */ - /*--------------------------------------------------------------- */ + /*--------------------------------------------------------------- */ + /* Memory Bank 7 (Heathrow chip) initialization */ + /*--------------------------------------------------------------- */ WDCR_EBC(pb7ap, 0x02000280) /* No Ready, 4 wait states */ WDCR_EBC(pb7cr, 0X4001A000) setup_continue: - - mtlr r31 /* restore lr */ + + mtlr r31 /* restore lr */ nop /* pass2 DCR errata #8 */ - blr + blr /*--------------------------------------------------------------------- */ /* Function: sdram_init */ /* Description: Configures SDRAM memory banks. */ /*--------------------------------------------------------------------- */ - .globl sdram_init + .globl sdram_init sdram_init: #if CFG_MONITOR_BASE < CFG_FLASH_BASE @@ -377,12 +377,12 @@ sdram_init: subf r5, r6, r17 or r4, r4, r5 - /*----------------------------------------------------------- */ - /* Set SDTR1 */ - /*----------------------------------------------------------- */ - addi r5,0,mem_sdtr1 - mtdcr memcfga,r5 - mtdcr memcfgd,r4 + /*----------------------------------------------------------- */ + /* Set SDTR1 */ + /*----------------------------------------------------------- */ + addi r5,0,mem_sdtr1 + mtdcr memcfga,r5 + mtdcr memcfgd,r4 /*----------------------------------------------------------- */ /* */ @@ -444,36 +444,36 @@ b1skip: addi r7,0,mem_mb2cf addi r7,0,mem_mb3cf mtdcr memcfga,r7 mtdcr memcfgd,r6 -b3skip: +b3skip: - /*----------------------------------------------------------- */ - /* Set RTR */ - /*----------------------------------------------------------- */ + /*----------------------------------------------------------- */ + /* Set RTR */ + /*----------------------------------------------------------- */ cmpi 0, r30, 1600 bge rtr_1 - addis r7, 0, 0x05F0 /* RTR value for 100Mhz */ + addis r7, 0, 0x05F0 /* RTR value for 100Mhz */ bl rtr_2 rtr_1: addis r7, 0, 0x03F8 rtr_2: addi r4,0,mem_rtr mtdcr memcfga,r4 mtdcr memcfgd,r7 - /*----------------------------------------------------------- */ - /* Delay to ensure 200usec have elapsed since reset. Assume worst */ - /* case that the core is running 200Mhz: */ - /* 200,000,000 (cycles/sec) X .000200 (sec) = 0x9C40 cycles */ - /*----------------------------------------------------------- */ - addis r3,0,0x0000 - ori r3,r3,0xA000 /* ensure 200usec have passed since reset */ - mtctr r3 + /*----------------------------------------------------------- */ + /* Delay to ensure 200usec have elapsed since reset. Assume worst */ + /* case that the core is running 200Mhz: */ + /* 200,000,000 (cycles/sec) X .000200 (sec) = 0x9C40 cycles */ + /*----------------------------------------------------------- */ + addis r3,0,0x0000 + ori r3,r3,0xA000 /* ensure 200usec have passed since reset */ + mtctr r3 ..spinlp2: - bdnz ..spinlp2 /* spin loop */ + bdnz ..spinlp2 /* spin loop */ - /*----------------------------------------------------------- */ - /* Set memory controller options reg, MCOPT1. */ + /*----------------------------------------------------------- */ + /* Set memory controller options reg, MCOPT1. */ /* Set DC_EN to '1' and BRD_PRF to '01' for 16 byte PLB Burst */ /* read/prefetch. */ - /*----------------------------------------------------------- */ + /*----------------------------------------------------------- */ addi r4,0,mem_mcopt1 mtdcr memcfga,r4 addis r4,0,0x80C0 /* set DC_EN=1 */ @@ -481,13 +481,13 @@ rtr_2: addi r4,0,mem_rtr mtdcr memcfgd,r4 - /*----------------------------------------------------------- */ - /* Delay to ensure 10msec have elapsed since reset. This is */ - /* required for the MPC952 to stabalize. Assume worst */ - /* case that the core is running 200Mhz: */ - /* 200,000,000 (cycles/sec) X .010 (sec) = 0x1E8480 cycles */ - /* This delay should occur before accessing SDRAM. */ - /*----------------------------------------------------------- */ + /*----------------------------------------------------------- */ + /* Delay to ensure 10msec have elapsed since reset. This is */ + /* required for the MPC952 to stabalize. Assume worst */ + /* case that the core is running 200Mhz: */ + /* 200,000,000 (cycles/sec) X .010 (sec) = 0x1E8480 cycles */ + /* This delay should occur before accessing SDRAM. */ + /*----------------------------------------------------------- */ addis r3,0,0x001E ori r3,r3,0x8480 /* ensure 10msec have passed since reset */ mtctr r3 @@ -501,8 +501,8 @@ rtr_2: addi r4,0,mem_rtr stb r4,0(r5) eieio - mtlr r31 /* restore lr */ - blr + mtlr r31 /* restore lr */ + blr /*--------------------------------------------------------------------- */ /* Function: read_spd */ @@ -512,21 +512,21 @@ rtr_2: addi r4,0,mem_rtr #define WRITE_I2C(reg,val) \ addi r3,0,val;\ - addis r4, 0, 0xef60;\ - ori r4, r4, 0x0500 + reg;\ - stb r3, 0(r4);\ - eieio + addis r4, 0, 0xef60;\ + ori r4, r4, 0x0500 + reg;\ + stb r3, 0(r4);\ + eieio #define READ_I2C(reg) \ - addis r3, 0, 0xef60;\ - ori r3, r3, 0x0500 + reg;\ - lbz r3, 0x0000(r3);\ - eieio + addis r3, 0, 0xef60;\ + ori r3, r3, 0x0500 + reg;\ + lbz r3, 0x0000(r3);\ + eieio read_spd: mflr r5 - + /* Initialize i2c */ /*--------------- */ WRITE_I2C(IICLMADR, 0x00) /* clear lo master address */ @@ -558,9 +558,9 @@ read_spd: /* Wait a little */ /*-------------- */ - addis r3,0,0x0000 - ori r3,r3,0xA000 - mtctr r3 + addis r3,0,0x0000 + ori r3,r3,0xA000 + mtctr r3 in02: bdnz in02 /* Issue write command */ @@ -572,12 +572,12 @@ in02: bdnz in02 /*--------------- */ addi r7, 0, 0 /* byte counter in r7 */ addi r8, 0, 0 /* checksum in r8 */ -rdlp: +rdlp: /* issue read command */ /*------------------- */ cmpi 0, r7, 127 blt rd01 - WRITE_I2C(IICCNTL, IIC_CNTL_READ | IIC_CNTL_PT) + WRITE_I2C(IICCNTL, IIC_CNTL_READ | IIC_CNTL_PT) bl rd02 rd01: WRITE_I2C(IICCNTL, IIC_CNTL_READ | IIC_CNTL_CHT | IIC_CNTL_PT) rd02: bl wait_i2c_transfer_done @@ -585,46 +585,46 @@ rd02: bl wait_i2c_transfer_done /* Fetch byte from buffer */ /*----------------------- */ READ_I2C(IICMDBUF) - + /* Retrieve parameters that are going to be used during configuration. */ /* Save them in dedicated registers. */ /*------------------------------------------------------------ */ cmpi 0, r7, 3 /* Save byte 3 in r10 */ bne rd10 - addi r10, r3, 0 + addi r10, r3, 0 rd10: cmpi 0, r7, 4 /* Save byte 4 in r11 */ bne rd11 - addi r11, r3, 0 + addi r11, r3, 0 rd11: cmpi 0, r7, 5 /* Save byte 5 in r12 */ bne rd12 - addi r12, r3, 0 + addi r12, r3, 0 rd12: cmpi 0, r7, 17 /* Save byte 17 in r13 */ bne rd13 - addi r13, r3, 0 + addi r13, r3, 0 rd13: cmpi 0, r7, 18 /* Save byte 18 in r14 */ bne rd14 - addi r14, r3, 0 + addi r14, r3, 0 rd14: cmpi 0, r7, 31 /* Save byte 31 in r15 */ bne rd15 - addi r15, r3, 0 + addi r15, r3, 0 rd15: cmpi 0, r7, 27 /* Save byte 27 in r16 */ bne rd16 - addi r16, r3, 0 + addi r16, r3, 0 rd16: cmpi 0, r7, 29 /* Save byte 29 in r17 */ bne rd17 - addi r17, r3, 0 + addi r17, r3, 0 rd17: cmpi 0, r7, 30 /* Save byte 30 in r18 */ bne rd18 - addi r18, r3, 0 + addi r18, r3, 0 rd18: cmpi 0, r7, 9 /* Save byte 9 in r19 */ bne rd19 - addi r19, r3, 0 + addi r19, r3, 0 rd19: cmpi 0, r7, 23 /* Save byte 23 in r20 */ bne rd20 - addi r20, r3, 0 + addi r20, r3, 0 rd20: cmpi 0, r7, 25 /* Save byte 25 in r21 */ bne rd21 - addi r21, r3, 0 + addi r21, r3, 0 rd21: /* Calculate checksum of the first 63 bytes */ @@ -647,16 +647,16 @@ rd30: andi. r8, r8, 0xff /* use only 8 bits */ eieio rderr: bl rderr -rd31: - +rd31: + /* Increment byte counter and check whether all bytes have been read. */ /*------------------------------------------------------------------- */ addi r7, r7, 1 cmpi 0, r7, 127 bgt rd05 bl rdlp -rd05: - mtlr r5 /* restore lr */ +rd05: + mtlr r5 /* restore lr */ blr wait_i2c_transfer_done: @@ -664,8 +664,8 @@ wait_i2c_transfer_done: wt01: READ_I2C(IICSTS) andi. r4, r3, IIC_STS_PT cmpi 0, r4, IIC_STS_PT - beq wt01 - mtlr r6 /* restore lr */ + beq wt01 + mtlr r6 /* restore lr */ blr /*--------------------------------------------------------------------- */ @@ -696,7 +696,7 @@ fm01: cmpi 0, r10, 11 cmpi 0, r13, 2 bne fm02 addi r3, 0, 1 - bl fmfound + bl fmfound fm02: cmpi 0, r10, 12 bne fm03 @@ -815,7 +815,7 @@ fm14: cmpi 0, r10, 13 addi r3, 0, 7 bl fmfound -fm15: +fm15: /* not found, error code to be issued on LEDs */ addi r7, 0, LED_SDRAM_CODE_2 addis r6, 0, 0x1000 @@ -827,7 +827,7 @@ fmerr: bl fmerr fmfound:addi r6, 0, 1 subf r3, r6, r3 - mtlr r5 /* restore lr */ + mtlr r5 /* restore lr */ blr /*--------------------------------------------------------------------- */ @@ -838,13 +838,13 @@ fmfound:addi r6, 0, 1 find_size_code: mflr r5 - + addi r3, r15, 0 /* density */ addi r7, 0, 0 fs01: andi. r6, r3, 0x01 cmpi 0, r6, 1 beq fs04 - + addi r7, r7, 1 cmpi 0, r7, 7 bge fs02 @@ -866,7 +866,7 @@ fs04: addi r3, r7, 0 addi r6, 0, 1 subf r3, r6, r3 fs05: - mtlr r5 /* restore lr */ + mtlr r5 /* restore lr */ blr /*--------------------------------------------------------------------- */ @@ -895,9 +895,9 @@ fc01: srw r6, r14, r4 /* */ addi r7, r19, 0 /* SDRAM cycle time for highest CAS latenty */ bl fc03 -fc02: +fc02: addi r7, r20, 0 /* SDRAM cycle time for next-highest CAS latenty */ -fc03: +fc03: addi r8, r7, 0 addi r9, 0, 4 srw r7, r7, r9 @@ -910,7 +910,7 @@ fc03: bgt fc05 addi r3, r2, 0 bl fc05 -fc04: +fc04: addi r7, r21, 0 /* SDRAM cycle time for third-highest CAS latenty */ addi r8, r7, 0 addi r9, 0, 2 @@ -933,9 +933,9 @@ fc06: addi r6, 0, 1 cmpi 0, r4, 0 bne fc01 -fc07: +fc07: - mtlr r5 /* restore lr */ + mtlr r5 /* restore lr */ blr #endif @@ -1000,7 +1000,7 @@ fc07: /* Size: 2 MB */ /* Usage: read/write */ /* Width: 32 bit */ - + /* Walnut fpga pb7ap */ /* 0 1 8 1 5 2 8 0 */ /* 0 + 00000 + 011 + 000 + 00 + 01 + 01 + 01 + 001 + 0 + 1 + 0 + 0 + 00000 */ diff --git a/board/exbitgen/u-boot.lds b/board/exbitgen/u-boot.lds index 36f9491..7dd5391 100644 --- a/board/exbitgen/u-boot.lds +++ b/board/exbitgen/u-boot.lds @@ -98,7 +98,7 @@ SECTIONS PROVIDE (erotext = .); .reloc : { - *(.got) + *(.got) _GOT2_TABLE_ = .; *(.got2) _FIXUP_TABLE_ = .; diff --git a/board/gen860t/gen860t.c b/board/gen860t/gen860t.c index 4921f5b..434055c 100644 --- a/board/gen860t/gen860t.c +++ b/board/gen860t/gen860t.c @@ -303,7 +303,7 @@ board_poweroff(void) } #ifdef CONFIG_POST -/* +/* * Returns 1 if keys pressed to start the power-on long-running tests * Called from board_init_f(). */ diff --git a/board/icecube/Makefile b/board/icecube/Makefile new file mode 100644 index 0000000..eb5ed59 --- /dev/null +++ b/board/icecube/Makefile @@ -0,0 +1,47 @@ + +# +# (C) Copyright 2003 +# 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 := $(BOARD).o flash.o + +$(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) > $@ + +-include .depend + +######################################################################### diff --git a/board/icecube/config.mk b/board/icecube/config.mk new file mode 100644 index 0000000..9913cfb --- /dev/null +++ b/board/icecube/config.mk @@ -0,0 +1,31 @@ +# +# (C) Copyright 2003 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +# +# IceCube board +# + +TEXT_BASE = 0xfff00000 +# TEXT_BASE = 0x00100000 + +PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -I$(TOPDIR)/board diff --git a/board/icecube/flash.c b/board/icecube/flash.c new file mode 100644 index 0000000..9164bd9 --- /dev/null +++ b/board/icecube/flash.c @@ -0,0 +1,480 @@ +/* + * (C) Copyright 2003 + * 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> + +flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ + +/* NOTE - CONFIG_FLASH_16BIT means the CPU interface is 16-bit, it + * has nothing to do with the flash chip being 8-bit or 16-bit. + */ +#ifdef CONFIG_FLASH_16BIT +typedef unsigned short FLASH_PORT_WIDTH; +typedef volatile unsigned short FLASH_PORT_WIDTHV; +#define FLASH_ID_MASK 0xFFFF +#else +typedef unsigned char FLASH_PORT_WIDTH; +typedef volatile unsigned char FLASH_PORT_WIDTHV; +#define FLASH_ID_MASK 0xFF +#endif + +#define FPW FLASH_PORT_WIDTH +#define FPWV FLASH_PORT_WIDTHV + +#define ORMASK(size) ((-size) & OR_AM_MSK) + +#define FLASH_CYCLE1 0x0555 +#define FLASH_CYCLE2 0x02aa + +/*----------------------------------------------------------------------- + * Functions + */ +static ulong flash_get_size(FPWV *addr, flash_info_t *info); +static void flash_reset(flash_info_t *info); +static int write_word_amd(flash_info_t *info, FPWV *dest, FPW data); +static flash_info_t *flash_get_info(ulong base); + +/*----------------------------------------------------------------------- + * flash_init() + * + * sets up flash_info and returns size of FLASH (bytes) + */ +unsigned long flash_init (void) +{ + unsigned long size = 0; + int i; + extern void flash_preinit(void); + + flash_preinit(); + + /* Init: no FLASHes known */ + for (i=0; i < CFG_MAX_FLASH_BANKS; ++i) { + ulong flashbase = CFG_FLASH_BASE; + + memset(&flash_info[i], 0, sizeof(flash_info_t)); + + flash_info[i].size = + flash_get_size((FPW *)flashbase, &flash_info[i]); + + if (flash_info[i].flash_id == FLASH_UNKNOWN) { + printf ("## Unknown FLASH on Bank %d - Size = 0x%08lx\n", + i, flash_info[i].size); + } + + size += flash_info[i].size; + } +#if CFG_MONITOR_BASE >= CFG_FLASH_BASE + /* monitor protection ON by default */ + flash_protect(FLAG_PROTECT_SET, + CFG_MONITOR_BASE, + CFG_MONITOR_BASE+monitor_flash_len-1, + flash_get_info(CFG_MONITOR_BASE)); +#endif + +#ifdef CFG_ENV_IS_IN_FLASH + /* ENV protection ON by default */ + flash_protect(FLAG_PROTECT_SET, + CFG_ENV_ADDR, + CFG_ENV_ADDR+CFG_ENV_SIZE-1, + flash_get_info(CFG_ENV_ADDR)); +#endif + + + return size ? size : 1; +} + +/*----------------------------------------------------------------------- + */ +static void flash_reset(flash_info_t *info) +{ + FPWV *base = (FPWV *)(info->start[0]); + + /* Put FLASH back in read mode */ + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) + *base = (FPW)0x00FF00FF; /* Intel Read Mode */ + else if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD) + *base = (FPW)0x00F000F0; /* AMD Read Mode */ +} + +/*----------------------------------------------------------------------- + */ + +static flash_info_t *flash_get_info(ulong base) +{ + int i; + flash_info_t * info; + + for (i = 0; i < CFG_MAX_FLASH_BANKS; i ++) { + info = & flash_info[i]; + if (info->start[0] <= base && base <= info->start[0] + info->size - 1) + break; + } + + return i == CFG_MAX_FLASH_BANKS ? 0 : info; +} + +/*----------------------------------------------------------------------- + */ + +void flash_print_info (flash_info_t *info) +{ + int i; + uchar *boottype; + uchar *bootletter; + uchar *fmt; + uchar botbootletter[] = "B"; + uchar topbootletter[] = "T"; + uchar botboottype[] = "bottom boot sector"; + uchar topboottype[] = "top boot sector"; + + if (info->flash_id == FLASH_UNKNOWN) { + printf ("missing or unknown FLASH type\n"); + return; + } + + switch (info->flash_id & FLASH_VENDMASK) { + case FLASH_MAN_AMD: printf ("AMD "); break; + case FLASH_MAN_BM: printf ("BRIGHT MICRO "); break; + case FLASH_MAN_FUJ: printf ("FUJITSU "); break; + case FLASH_MAN_SST: printf ("SST "); break; + case FLASH_MAN_STM: printf ("STM "); break; + case FLASH_MAN_INTEL: printf ("INTEL "); break; + default: printf ("Unknown Vendor "); break; + } + + /* check for top or bottom boot, if it applies */ + if (info->flash_id & FLASH_BTYPE) { + boottype = botboottype; + bootletter = botbootletter; + } + else { + boottype = topboottype; + bootletter = topbootletter; + } + + switch (info->flash_id & FLASH_TYPEMASK) { + case FLASH_AMDLV065D: + fmt = "29LV065 (64 Mbit, uniform sectors)\n"; + break; + default: + fmt = "Unknown Chip Type\n"; + break; + } + + printf (fmt, bootletter, boottype); + + 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"); +} + +/*----------------------------------------------------------------------- + */ + +/* + * The following code cannot be run from FLASH! + */ + +ulong flash_get_size (FPWV *addr, flash_info_t *info) +{ + int i; + /* Write auto select command: read Manufacturer ID */ + /* Write auto select command sequence and test FLASH answer */ + addr[FLASH_CYCLE1] = (FPW)0x00AA00AA; /* for AMD, Intel ignores this */ + addr[FLASH_CYCLE2] = (FPW)0x00550055; /* for AMD, Intel ignores this */ + addr[FLASH_CYCLE1] = (FPW)0x00900090; /* selects Intel or AMD */ + + /* The manufacturer codes are only 1 byte, so just use 1 byte. + * This works for any bus width and any FLASH device width. + */ + udelay(100); + switch (addr[0] & 0xff) { + + case (uchar)AMD_MANUFACT: + info->flash_id = FLASH_MAN_AMD; + break; + + case (uchar)INTEL_MANUFACT: + info->flash_id = FLASH_MAN_INTEL; + break; + + default: + info->flash_id = FLASH_UNKNOWN; + info->sector_count = 0; + info->size = 0; + break; + } + + /* Check 16 bits or 32 bits of ID so work on 32 or 16 bit bus. */ + if (info->flash_id != FLASH_UNKNOWN) switch ((FPW)addr[1]) { + + case (FPW)AMD_ID_LV065D: + info->flash_id += FLASH_AMDLV065D; + info->sector_count = 128; + info->size = 0x00800000; + for( i = 0; i < info->sector_count; i++ ) + info->start[i] = (ulong)addr + (i * 0x10000); + break; /* => 8 or 16 MB */ + + default: + info->flash_id = FLASH_UNKNOWN; + info->sector_count = 0; + info->size = 0; + return (0); /* => no or unknown flash */ + } + + /* Put FLASH back in read mode */ + flash_reset(info); + + return (info->size); +} + +/*----------------------------------------------------------------------- + */ + +int flash_erase (flash_info_t *info, int s_first, int s_last) +{ + FPWV *addr; + int flag, prot, sect; + int intel = (info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL; + ulong start, now, last; + 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; + } + + switch (info->flash_id & FLASH_TYPEMASK) { + case FLASH_AMDLV065D: + break; + case FLASH_UNKNOWN: + default: + 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"); + } + + last = get_timer(0); + + /* Start erase on unprotected sectors */ + for (sect = s_first; sect<=s_last && rcode == 0; sect++) { + + if (info->protect[sect] != 0) /* protected, skip it */ + continue; + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + addr = (FPWV *)(info->start[sect]); + if (intel) { + *addr = (FPW)0x00500050; /* clear status register */ + *addr = (FPW)0x00200020; /* erase setup */ + *addr = (FPW)0x00D000D0; /* erase confirm */ + } + else { + /* must be AMD style if not Intel */ + FPWV *base; /* first address in bank */ + + base = (FPWV *)(info->start[0]); + base[FLASH_CYCLE1] = (FPW)0x00AA00AA; /* unlock */ + base[FLASH_CYCLE2] = (FPW)0x00550055; /* unlock */ + base[FLASH_CYCLE1] = (FPW)0x00800080; /* erase mode */ + base[FLASH_CYCLE1] = (FPW)0x00AA00AA; /* unlock */ + base[FLASH_CYCLE2] = (FPW)0x00550055; /* unlock */ + *addr = (FPW)0x00300030; /* erase sector */ + } + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + start = get_timer(0); + + /* wait at least 50us for AMD, 80us for Intel. + * Let's wait 1 ms. + */ + udelay (1000); + + while ((*addr & (FPW)0x00800080) != (FPW)0x00800080) { + if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) { + printf ("Timeout\n"); + + if (intel) { + /* suspend erase */ + *addr = (FPW)0x00B000B0; + } + + flash_reset(info); /* reset to read mode */ + rcode = 1; /* failed */ + break; + } + + /* show that we're waiting */ + if ((get_timer(last)) > CFG_HZ) {/* every second */ + putc ('.'); + last = get_timer(0); + } + } + + /* show that we're waiting */ + if ((get_timer(last)) > CFG_HZ) { /* every second */ + putc ('.'); + last = get_timer(0); + } + + flash_reset(info); /* reset to read mode */ + } + + printf (" done\n"); + return rcode; +} + +/*----------------------------------------------------------------------- + * Copy memory to flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ +int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) +{ + FPW data = 0; /* 16 or 32 bit word, matches flash bus width on MPC8XX */ + int bytes; /* number of bytes to program in current word */ + int left; /* number of bytes left to program */ + int i, res; + + for (left = cnt, res = 0; + left > 0 && res == 0; + addr += sizeof(data), left -= sizeof(data) - bytes) { + + bytes = addr & (sizeof(data) - 1); + addr &= ~(sizeof(data) - 1); + + /* combine source and destination data so can program + * an entire word of 16 or 32 bits + */ + for (i = 0; i < sizeof(data); i++) { + data <<= 8; + if (i < bytes || i - bytes >= left ) + data += *((uchar *)addr + i); + else + data += *src++; + } + + /* write one word to the flash */ + switch (info->flash_id & FLASH_VENDMASK) { + case FLASH_MAN_AMD: + res = write_word_amd(info, (FPWV *)addr, data); + break; + default: + /* unknown flash type, error! */ + printf ("missing or unknown FLASH type\n"); + res = 1; /* not really a timeout, but gives error */ + break; + } + } + + return (res); +} + +/*----------------------------------------------------------------------- + * Write a word to Flash for AMD FLASH + * A word is 16 or 32 bits, whichever the bus width of the flash bank + * (not an individual chip) is. + * + * returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ +static int write_word_amd (flash_info_t *info, FPWV *dest, FPW data) +{ + ulong start; + int flag; + int res = 0; /* result, assume success */ + FPWV *base; /* first address in flash bank */ + + /* Check if Flash is (sufficiently) erased */ + if ((*dest & data) != data) { + return (2); + } + + + base = (FPWV *)(info->start[0]); + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + base[FLASH_CYCLE1] = (FPW)0x00AA00AA; /* unlock */ + base[FLASH_CYCLE2] = (FPW)0x00550055; /* unlock */ + base[FLASH_CYCLE1] = (FPW)0x00A000A0; /* selects program mode */ + + *dest = data; /* start programming the data */ + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + start = get_timer (0); + + /* data polling for D7 */ + while (res == 0 && (*dest & (FPW)0x00800080) != (data & (FPW)0x00800080)) { + if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { + *dest = (FPW)0x00F000F0; /* reset bank */ + res = 1; + } + } + + return (res); +} diff --git a/board/icecube/icecube.c b/board/icecube/icecube.c new file mode 100644 index 0000000..916e780 --- /dev/null +++ b/board/icecube/icecube.c @@ -0,0 +1,116 @@ +/* + * (C) Copyright 2003 + * 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 <mpc5xxx.h> + +long int initdram (int board_type) +{ +#ifndef CFG_RAMBOOT + /* configure SDRAM start/end */ +#if defined(CONFIG_MPC5200) + *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x00000018;/* 32M at 0x0 */ + *(vu_long *)MPC5XXX_SDRAM_CS1CFG = 0x02000000;/* disabled */ + + /* setup config registers */ + *(vu_long *)MPC5XXX_SDRAM_CONFIG1 = 0xc2233a00; + *(vu_long *)MPC5XXX_SDRAM_CONFIG2 = 0x88b70004; + + /* unlock mode register */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = 0xd04f0000; + /* precharge all banks */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = 0xd04f0002; + /* set mode register */ + *(vu_long *)MPC5XXX_SDRAM_MODE = 0x408d0000; + /* precharge all banks */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = 0xd04f0002; + /* auto refresh */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = 0xd04f0004; + /* set mode register */ + *(vu_long *)MPC5XXX_SDRAM_MODE = 0x008d0000; + /* normal operation */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = 0x504f0000; +#elif defined(CONFIG_MGT5100) + *(vu_long *)MPC5XXX_SDRAM_START = 0x00000000; + *(vu_long *)MPC5XXX_SDRAM_STOP = 0x000007ff;/* 64M */ + *(vu_long *)MPC5XXX_ADDECR |= (1 << 22); /* Enable SDRAM */ + + /* setup config registers */ + *(vu_long *)MPC5XXX_SDRAM_CONFIG1 = 0xc2222600; + *(vu_long *)MPC5XXX_SDRAM_CONFIG2 = 0x88b70004; + + /* address select register */ + *(vu_long *)MPC5XXX_SDRAM_XLBSEL = 0x03000000; + + /* unlock mode register */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = 0xd14f0000; + /* precharge all banks */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = 0xd14f0002; + /* set mode register */ + *(vu_long *)MPC5XXX_SDRAM_MODE = 0x008d0000; + /* precharge all banks */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = 0xd14f0002; + /* auto refresh */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = 0xd14f0004; + /* set mode register */ + *(vu_long *)MPC5XXX_SDRAM_MODE = 0x008d0000; + /* normal operation */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = 0x514f0000; +#endif +#else +#ifdef CONFIG_MGT5100 + *(vu_long *)MPC5XXX_ADDECR |= (1 << 22); /* Enable SDRAM */ +#endif +#endif + /* return total ram size */ +#if defined(CONFIG_MGT5100) + return (64 * 1024 * 1024); +#elif defined(CONFIG_MPC5200) + return (32 * 1024 * 1024); +#endif +} + +int checkboard (void) +{ +#if defined(CONFIG_MPC5200) + puts ("Board: Motorola MPC5200 (IceCube)\n"); +#elif defined(CONFIG_MGT5100) + puts ("Board: Motorola MGT5100 (IceCube)\n"); +#endif + return 0; +} + +void flash_preinit(void) +{ + /* + * Now, when we are in RAM, enable flash write + * access for detection process. + * Note that CS_BOOT cannot be cleared when + * executing in flash. + */ +#if defined(CONFIG_MGT5100) + *(vu_long *)MPC5XXX_ADDECR &= ~(1 << 25); /* disable CS_BOOT */ + *(vu_long *)MPC5XXX_ADDECR |= (1 << 16); /* enable CS0 */ +#endif + *(vu_long *)MPC5XXX_BOOTCS_CFG &= ~0x1; /* clear RO */ +} diff --git a/board/icecube/u-boot.lds b/board/icecube/u-boot.lds new file mode 100644 index 0000000..d999dd1 --- /dev/null +++ b/board/icecube/u-boot.lds @@ -0,0 +1,122 @@ +/* + * (C) Copyright 2003 + * 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) + } + .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/lwmon/lwmon.c b/board/lwmon/lwmon.c index cf82408..b869bf3 100644 --- a/board/lwmon/lwmon.c +++ b/board/lwmon/lwmon.c @@ -1073,7 +1073,7 @@ static int key_pressed(void) #endif /* CONFIG_MODEM_SUPPORT */ #ifdef CONFIG_POST -/* +/* * Returns 1 if keys pressed to start the power-on long-running tests * Called from board_init_f(). */ diff --git a/board/omap1510inn/platform.S b/board/omap1510inn/platform.S index 6bad32d..a1602d1 100644 --- a/board/omap1510inn/platform.S +++ b/board/omap1510inn/platform.S @@ -42,171 +42,171 @@ _TEXT_BASE: .globl platformsetup platformsetup: - /* - * Configure 1510 pins functions to match our board. - */ - ldr r0, REG_PULL_DWN_CTRL_0 - ldr r1, VAL_PULL_DWN_CTRL_0 - str r1, [r0] - ldr r0, REG_PULL_DWN_CTRL_1 - ldr r1, VAL_PULL_DWN_CTRL_1 - str r1, [r0] - ldr r0, REG_PULL_DWN_CTRL_2 - ldr r1, VAL_PULL_DWN_CTRL_2 - str r1, [r0] - ldr r0, REG_PULL_DWN_CTRL_3 - ldr r1, VAL_PULL_DWN_CTRL_3 - str r1, [r0] - ldr r0, REG_FUNC_MUX_CTRL_4 - ldr r1, VAL_FUNC_MUX_CTRL_4 - str r1, [r0] - ldr r0, REG_FUNC_MUX_CTRL_5 - ldr r1, VAL_FUNC_MUX_CTRL_5 - str r1, [r0] - ldr r0, REG_FUNC_MUX_CTRL_6 - ldr r1, VAL_FUNC_MUX_CTRL_6 - str r1, [r0] - ldr r0, REG_FUNC_MUX_CTRL_7 - ldr r1, VAL_FUNC_MUX_CTRL_7 - str r1, [r0] - ldr r0, REG_FUNC_MUX_CTRL_8 - ldr r1, VAL_FUNC_MUX_CTRL_8 - str r1, [r0] - ldr r0, REG_FUNC_MUX_CTRL_9 - ldr r1, VAL_FUNC_MUX_CTRL_9 - str r1, [r0] - ldr r0, REG_FUNC_MUX_CTRL_A - ldr r1, VAL_FUNC_MUX_CTRL_A - str r1, [r0] - ldr r0, REG_FUNC_MUX_CTRL_B - ldr r1, VAL_FUNC_MUX_CTRL_B - str r1, [r0] - ldr r0, REG_FUNC_MUX_CTRL_C - ldr r1, VAL_FUNC_MUX_CTRL_C - str r1, [r0] - ldr r0, REG_VOLTAGE_CTRL_0 - ldr r1, VAL_VOLTAGE_CTRL_0 - str r1, [r0] - ldr r0, REG_TEST_DBG_CTRL_0 - ldr r1, VAL_TEST_DBG_CTRL_0 - str r1, [r0] - ldr r0, REG_MOD_CONF_CTRL_0 - ldr r1, VAL_MOD_CONF_CTRL_0 - str r1, [r0] + /* + * Configure 1510 pins functions to match our board. + */ + ldr r0, REG_PULL_DWN_CTRL_0 + ldr r1, VAL_PULL_DWN_CTRL_0 + str r1, [r0] + ldr r0, REG_PULL_DWN_CTRL_1 + ldr r1, VAL_PULL_DWN_CTRL_1 + str r1, [r0] + ldr r0, REG_PULL_DWN_CTRL_2 + ldr r1, VAL_PULL_DWN_CTRL_2 + str r1, [r0] + ldr r0, REG_PULL_DWN_CTRL_3 + ldr r1, VAL_PULL_DWN_CTRL_3 + str r1, [r0] + ldr r0, REG_FUNC_MUX_CTRL_4 + ldr r1, VAL_FUNC_MUX_CTRL_4 + str r1, [r0] + ldr r0, REG_FUNC_MUX_CTRL_5 + ldr r1, VAL_FUNC_MUX_CTRL_5 + str r1, [r0] + ldr r0, REG_FUNC_MUX_CTRL_6 + ldr r1, VAL_FUNC_MUX_CTRL_6 + str r1, [r0] + ldr r0, REG_FUNC_MUX_CTRL_7 + ldr r1, VAL_FUNC_MUX_CTRL_7 + str r1, [r0] + ldr r0, REG_FUNC_MUX_CTRL_8 + ldr r1, VAL_FUNC_MUX_CTRL_8 + str r1, [r0] + ldr r0, REG_FUNC_MUX_CTRL_9 + ldr r1, VAL_FUNC_MUX_CTRL_9 + str r1, [r0] + ldr r0, REG_FUNC_MUX_CTRL_A + ldr r1, VAL_FUNC_MUX_CTRL_A + str r1, [r0] + ldr r0, REG_FUNC_MUX_CTRL_B + ldr r1, VAL_FUNC_MUX_CTRL_B + str r1, [r0] + ldr r0, REG_FUNC_MUX_CTRL_C + ldr r1, VAL_FUNC_MUX_CTRL_C + str r1, [r0] + ldr r0, REG_VOLTAGE_CTRL_0 + ldr r1, VAL_VOLTAGE_CTRL_0 + str r1, [r0] + ldr r0, REG_TEST_DBG_CTRL_0 + ldr r1, VAL_TEST_DBG_CTRL_0 + str r1, [r0] + ldr r0, REG_MOD_CONF_CTRL_0 + ldr r1, VAL_MOD_CONF_CTRL_0 + str r1, [r0] - /* Move to 1510 mode */ - ldr r0, REG_COMP_MODE_CTRL_0 - ldr r1, VAL_COMP_MODE_CTRL_0 - str r1, [r0] + /* Move to 1510 mode */ + ldr r0, REG_COMP_MODE_CTRL_0 + ldr r1, VAL_COMP_MODE_CTRL_0 + str r1, [r0] - /* Set up Traffic Ctlr*/ - ldr r0, REG_TC_IMIF_PRIO - mov r1, #0x0 - str r1, [r0] - ldr r0, REG_TC_EMIFS_PRIO - str r1, [r0] - ldr r0, REG_TC_EMIFF_PRIO - str r1, [r0] + /* Set up Traffic Ctlr*/ + ldr r0, REG_TC_IMIF_PRIO + mov r1, #0x0 + str r1, [r0] + ldr r0, REG_TC_EMIFS_PRIO + str r1, [r0] + ldr r0, REG_TC_EMIFF_PRIO + str r1, [r0] - ldr r0, REG_TC_EMIFS_CONFIG - ldr r1, [r0] - bic r1, r1, #0x08 /* clear the global power-down enable PDE bit */ - bic r1, r1, #0x01 /* write protect flash by clearing the WP bit */ - str r1, [r0] /* EMIFS GlB Configuration. (value 0x12 most likely) */ + ldr r0, REG_TC_EMIFS_CONFIG + ldr r1, [r0] + bic r1, r1, #0x08 /* clear the global power-down enable PDE bit */ + bic r1, r1, #0x01 /* write protect flash by clearing the WP bit */ + str r1, [r0] /* EMIFS GlB Configuration. (value 0x12 most likely) */ - /* Setup some clock domains */ - ldr r1, =OMAP1510_CLKS - ldr r0, REG_ARM_IDLECT2 - strh r1, [r0] /* CLKM, Clock domain control. */ + /* Setup some clock domains */ + ldr r1, =OMAP1510_CLKS + ldr r0, REG_ARM_IDLECT2 + strh r1, [r0] /* CLKM, Clock domain control. */ - mov r1, #0x01 /* PER_EN bit */ - ldr r0, REG_ARM_RSTCT2 - strh r1, [r0] /* CLKM; Peripheral reset. */ + mov r1, #0x01 /* PER_EN bit */ + ldr r0, REG_ARM_RSTCT2 + strh r1, [r0] /* CLKM; Peripheral reset. */ - /* Set CLKM to Sync-Scalable */ - /* I supposidly need to enable the dsp clock before switching */ - mov r1, #0x1000 - ldr r0, REG_ARM_SYSST - strh r1, [r0] - mov r0, #0x400 + /* Set CLKM to Sync-Scalable */ + /* I supposidly need to enable the dsp clock before switching */ + mov r1, #0x1000 + ldr r0, REG_ARM_SYSST + strh r1, [r0] + mov r0, #0x400 1: - subs r0, r0, #0x1 /* wait for any bubbles to finish */ - bne 1b + subs r0, r0, #0x1 /* wait for any bubbles to finish */ + bne 1b - ldr r1, VAL_ARM_CKCTL /* use 12Mhz ref, PER must be <= 50Mhz so /2 */ - ldr r0, REG_ARM_CKCTL - strh r1, [r0] + ldr r1, VAL_ARM_CKCTL /* use 12Mhz ref, PER must be <= 50Mhz so /2 */ + ldr r0, REG_ARM_CKCTL + strh r1, [r0] - /* setup DPLL 1 */ - ldr r1, VAL_DPLL1_CTL - ldr r0, REG_DPLL1_CTL - strh r1, [r0] - ands r1, r1, #0x10 /* Check if PLL is enabled. */ - beq lock_end /* Do not look for lock if BYPASS selected */ + /* setup DPLL 1 */ + ldr r1, VAL_DPLL1_CTL + ldr r0, REG_DPLL1_CTL + strh r1, [r0] + ands r1, r1, #0x10 /* Check if PLL is enabled. */ + beq lock_end /* Do not look for lock if BYPASS selected */ 2: - ldrh r1, [r0] - ands r1, r1, #0x01 /* Check the LOCK bit. */ - beq 2b /* ...loop until bit goes hi. */ + ldrh r1, [r0] + ands r1, r1, #0x01 /* Check the LOCK bit. */ + beq 2b /* ...loop until bit goes hi. */ lock_end: - /* Set memory timings corresponding to the new clock speed */ + /* Set memory timings corresponding to the new clock speed */ - /* Check execution location to determine current execution location - * and branch to appropriate initialization code. - */ - mov r0, #0x10000000 /* Load physical SDRAM base. */ - mov r1, pc /* Get current execution location. */ - cmp r1, r0 /* Compare. */ - bge skip_sdram /* Skip over EMIF-fast initialization if running from SDRAM. */ + /* Check execution location to determine current execution location + * and branch to appropriate initialization code. + */ + mov r0, #0x10000000 /* Load physical SDRAM base. */ + mov r1, pc /* Get current execution location. */ + cmp r1, r0 /* Compare. */ + bge skip_sdram /* Skip over EMIF-fast initialization if running from SDRAM. */ - /* - * Delay for SDRAM initialization. - */ - mov r3, #0x1800 /* value should be checked */ + /* + * Delay for SDRAM initialization. + */ + mov r3, #0x1800 /* value should be checked */ 3: - subs r3, r3, #0x1 /* Decrement count */ - bne 3b + subs r3, r3, #0x1 /* Decrement count */ + bne 3b - /* - * Set SDRAM control values. Disable refresh before MRS command. - */ - ldr r0, VAL_TC_EMIFF_SDRAM_CONFIG /* get good value */ - bic r3, r0, #0xC /* (BIT3|BIT2) ulConfig with auto-refresh disabled. */ - orr r3, r3, #0x8000000 /* (BIT27) Disable CLK when Power down or Self-Refresh */ - orr r3, r3, #0x4000000 /* BIT26 Power Down Enable */ - ldr r2, REG_TC_EMIFF_SDRAM_CONFIG /* Point to configuration register. */ - str r3, [r2] /* Store the passed value with AR disabled. */ + /* + * Set SDRAM control values. Disable refresh before MRS command. + */ + ldr r0, VAL_TC_EMIFF_SDRAM_CONFIG /* get good value */ + bic r3, r0, #0xC /* (BIT3|BIT2) ulConfig with auto-refresh disabled. */ + orr r3, r3, #0x8000000 /* (BIT27) Disable CLK when Power down or Self-Refresh */ + orr r3, r3, #0x4000000 /* BIT26 Power Down Enable */ + ldr r2, REG_TC_EMIFF_SDRAM_CONFIG /* Point to configuration register. */ + str r3, [r2] /* Store the passed value with AR disabled. */ - ldr r1, VAL_TC_EMIFF_MRS /* get MRS value */ - ldr r2, REG_TC_EMIFF_MRS /* Point to MRS register. */ - str r1, [r2] /* Store the passed value.*/ + ldr r1, VAL_TC_EMIFF_MRS /* get MRS value */ + ldr r2, REG_TC_EMIFF_MRS /* Point to MRS register. */ + str r1, [r2] /* Store the passed value.*/ - ldr r2, REG_TC_EMIFF_SDRAM_CONFIG /* Point to configuration register. */ - str r0, [r2] /* Store the passed value. */ + ldr r2, REG_TC_EMIFF_SDRAM_CONFIG /* Point to configuration register. */ + str r0, [r2] /* Store the passed value. */ - /* - * Delay for SDRAM initialization. - */ - mov r3, #0x1800 + /* + * Delay for SDRAM initialization. + */ + mov r3, #0x1800 4: - subs r3, r3, #1 /* Decrement count. */ - bne 4b + subs r3, r3, #1 /* Decrement count. */ + bne 4b skip_sdram: - /* slow interface */ - ldr r1, VAL_TC_EMIFS_CS0_CONFIG - ldr r0, REG_TC_EMIFS_CS0_CONFIG - str r1, [r0] /* Chip Select 0 */ - ldr r1, VAL_TC_EMIFS_CS1_CONFIG - ldr r0, REG_TC_EMIFS_CS1_CONFIG - str r1, [r0] /* Chip Select 1 */ - ldr r1, VAL_TC_EMIFS_CS2_CONFIG - ldr r0, REG_TC_EMIFS_CS2_CONFIG - str r1, [r0] /* Chip Select 2 */ - ldr r1, VAL_TC_EMIFS_CS3_CONFIG - ldr r0, REG_TC_EMIFS_CS3_CONFIG - str r1, [r0] /* Chip Select 3 */ + /* slow interface */ + ldr r1, VAL_TC_EMIFS_CS0_CONFIG + ldr r0, REG_TC_EMIFS_CS0_CONFIG + str r1, [r0] /* Chip Select 0 */ + ldr r1, VAL_TC_EMIFS_CS1_CONFIG + ldr r0, REG_TC_EMIFS_CS1_CONFIG + str r1, [r0] /* Chip Select 1 */ + ldr r1, VAL_TC_EMIFS_CS2_CONFIG + ldr r0, REG_TC_EMIFS_CS2_CONFIG + str r1, [r0] /* Chip Select 2 */ + ldr r1, VAL_TC_EMIFS_CS3_CONFIG + ldr r0, REG_TC_EMIFS_CS3_CONFIG + str r1, [r0] /* Chip Select 3 */ /* Next, Enable the RS232 Line Drivers in the FPGA. */ /* Also, power on the audio CODEC's amplifier here, */ @@ -217,22 +217,22 @@ skip_sdram: /* Also, disable the CODEC's clocks. */ /* omap1510-HelenP1 [specific] */ - ldr r0, REG_FPGA_POWER - mov r1, #0 - ldr r2, REG_FPGA_DIP_SWITCH - ldrb r3, [r2] - cmp r3, #0x8 - movne r1, #0x62 /* Enable the RS232 Line Drivers in the EPLD */ - strb r1, [r0] - ldr r0, REG_FPGA_AUDIO - mov r1, #0x0 /* Disable sound driver (CODEC clocks) */ - strb r1, [r0] + ldr r0, REG_FPGA_POWER + mov r1, #0 + ldr r2, REG_FPGA_DIP_SWITCH + ldrb r3, [r2] + cmp r3, #0x8 + movne r1, #0x62 /* Enable the RS232 Line Drivers in the EPLD */ + strb r1, [r0] + ldr r0, REG_FPGA_AUDIO + mov r1, #0x0 /* Disable sound driver (CODEC clocks) */ + strb r1, [r0] - /* back to arch calling code */ + /* back to arch calling code */ mov pc, lr /* the literal pools origin */ - .ltorg + .ltorg /* OMAP configuration registers */ REG_FUNC_MUX_CTRL_0: /* 32 bits */ @@ -288,13 +288,13 @@ REG_TC_EMIFF_PRIO: /* 32 bits */ REG_TC_EMIFS_CONFIG: /* 32 bits */ .word 0xfffecc0c REG_TC_EMIFS_CS0_CONFIG: /* 32 bits */ - .word 0xfffecc10 + .word 0xfffecc10 REG_TC_EMIFS_CS1_CONFIG: /* 32 bits */ - .word 0xfffecc14 + .word 0xfffecc14 REG_TC_EMIFS_CS2_CONFIG: /* 32 bits */ - .word 0xfffecc18 + .word 0xfffecc18 REG_TC_EMIFS_CS3_CONFIG: /* 32 bits */ - .word 0xfffecc1c + .word 0xfffecc1c REG_TC_EMIFF_SDRAM_CONFIG: /* 32 bits */ .word 0xfffecc20 REG_TC_EMIFF_MRS: /* 32 bits */ @@ -303,27 +303,27 @@ REG_TC_EMIFF_MRS: /* 32 bits */ REG_ARM_CKCTL: /* 16 bits */ .word 0xfffece00 REG_ARM_IDLECT2: /* 16 bits */ - .word 0xfffece08 + .word 0xfffece08 REG_ARM_RSTCT2: /* 16 bits */ - .word 0xfffece14 + .word 0xfffece14 REG_ARM_SYSST: /* 16 bits */ - .word 0xfffece18 + .word 0xfffece18 /* DPLL control registers */ REG_DPLL1_CTL: /* 16 bits */ .word 0xfffecf00 /* identification code register */ REG_IDCODE: /* 32 bits */ - .word 0xfffed404 + .word 0xfffed404 /* Innovator specific */ REG_FPGA_LED_DIGIT: /* 8 bits (not used on Innovator) */ - .word 0x08000003 + .word 0x08000003 REG_FPGA_POWER: /* 8 bits */ - .word 0x08000005 + .word 0x08000005 REG_FPGA_AUDIO: /* 8 bits (not used on Innovator) */ .word 0x0800000c REG_FPGA_DIP_SWITCH: /* 8 bits (not used on Innovator) */ - .word 0x0800000e + .word 0x0800000e VAL_COMP_MODE_CTRL_0: .word 0x0000eaef @@ -359,8 +359,8 @@ VAL_VOLTAGE_CTRL_0: .word 0x00000007 VAL_TEST_DBG_CTRL_0: /* See Errata 4.13, This works around a SRAM bug, for chips below ES2.5 . - * This slows down internal SRAM accesses. - */ + * This slows down internal SRAM accesses. + */ .word 0x00000007 VAL_MOD_CONF_CTRL_0: .word 0x0b000008 diff --git a/board/omap1510inn/u-boot.lds b/board/omap1510inn/u-boot.lds index caa1d24..46cf9dc 100644 --- a/board/omap1510inn/u-boot.lds +++ b/board/omap1510inn/u-boot.lds @@ -27,23 +27,23 @@ OUTPUT_ARCH(arm) ENTRY(_start) SECTIONS { - . = 0x00000000; + . = 0x00000000; - . = ALIGN(4); + . = ALIGN(4); .text : { cpu/arm925t/start.o (.text) *(.text) } - . = ALIGN(4); - .rodata : { *(.rodata) } + . = ALIGN(4); + .rodata : { *(.rodata) } - . = ALIGN(4); - .data : { *(.data) } + . = ALIGN(4); + .data : { *(.data) } - . = ALIGN(4); - .got : { *(.got) } + . = ALIGN(4); + .got : { *(.got) } __u_boot_cmd_start = .; .u_boot_cmd : { *(.u_boot_cmd) } @@ -51,8 +51,8 @@ SECTIONS armboot_end_data = .; - . = ALIGN(4); - .bss : { *(.bss) } + . = ALIGN(4); + .bss : { *(.bss) } armboot_end = .; } diff --git a/board/sacsng/sacsng.c b/board/sacsng/sacsng.c index 79d56f3..eb7e416 100644 --- a/board/sacsng/sacsng.c +++ b/board/sacsng/sacsng.c @@ -818,7 +818,7 @@ int spi_chipsel_cnt = sizeof(spi_chipsel) / sizeof(spi_chipsel[0]); #endif /* CONFIG_MISC_INIT_R */ #ifdef CONFIG_POST -/* +/* * Returns 1 if keys pressed to start the power-on long-running tests * Called from board_init_f(). */ diff --git a/board/sl8245/u-boot.lds b/board/sl8245/u-boot.lds index e0d0b17..6bd865e 100644 --- a/board/sl8245/u-boot.lds +++ b/board/sl8245/u-boot.lds @@ -129,4 +129,3 @@ SECTIONS _end = . ; PROVIDE (end = .); } - diff --git a/board/tqm8xx/flash.c b/board/tqm8xx/flash.c index 6ce6235..d949c2e 100644 --- a/board/tqm8xx/flash.c +++ b/board/tqm8xx/flash.c @@ -305,7 +305,7 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info) info->sector_count = 64; info->size = 0x00800000; /* => 8 MB */ break; - } + } switch(addr[14]) { case AMD_ID_LV128U_2: if (addr[15] != AMD_ID_LV128U_3) { diff --git a/common/cmd_bdinfo.c b/common/cmd_bdinfo.c index c22a9d1..f1adeaa 100644 --- a/common/cmd_bdinfo.c +++ b/common/cmd_bdinfo.c @@ -178,4 +178,3 @@ U_BOOT_CMD( NULL ); #endif /* CFG_CMD_BDI */ - diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c index 489fa61..d1d03e3 100644 --- a/common/cmd_bootm.c +++ b/common/cmd_bootm.c @@ -481,6 +481,10 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag, kbd->bi_sccfreq /= 1000000L; kbd->bi_vco /= 1000000L; #endif /* CONFIG_8260 */ +#if defined(CONFIG_MPC5XXXX) + kbd->bi_ipbfreq /= 1000000L; + kbd->bi_pcifreq /= 1000000L; +#endif /* CONFIG_MPC5XXXX */ } kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))hdr->ih_ep; diff --git a/cpu/arm925t/interrupts.c b/cpu/arm925t/interrupts.c index ed8a1c7..132af1a 100644 --- a/cpu/arm925t/interrupts.c +++ b/cpu/arm925t/interrupts.c @@ -85,7 +85,6 @@ int disable_interrupts (void) #endif - void bad_mode (void) { panic ("Resetting CPU ...\n"); diff --git a/cpu/arm925t/omap925.c b/cpu/arm925t/omap925.c index 1166ca6..ae62656 100644 --- a/cpu/arm925t/omap925.c +++ b/cpu/arm925t/omap925.c @@ -41,14 +41,14 @@ void gpiosetdir(ushort mask, ushort in) void gpiosetout(ushort mask, ushort out) { ushort *r_ptr, r_val; - + r_ptr = (ushort *)GPIO_DATA_OUTPUT_REG; /* set pointer */ r_val = *r_ptr & ~mask; /* get previous val, clear bits we want to change */ r_val |= (out & mask); /* set specified bits in value + plus origional ones */ - *r_ptr = r_val; /* write it out */ -/* + *r_ptr = r_val; /* write it out */ +/* * gcc screwed this one up :(. - * + * * *(ushort *)GPIO_DATA_OUTPUT_REG = (*(ushort *)GPIO_DATA_OUTPUT_REG & ~mask) | (out & mask); */ diff --git a/cpu/arm925t/start.S b/cpu/arm925t/start.S index 2115fb3..a9241bc 100644 --- a/cpu/arm925t/start.S +++ b/cpu/arm925t/start.S @@ -31,7 +31,6 @@ */ - #include <config.h> #include <version.h> @@ -137,14 +136,14 @@ reset: bic r0,r0,#0x1f orr r0,r0,#0xd3 msr cpsr,r0 - + /* * Set up 925T mode */ mov r1, #0x81 /* Set ARM925T configuration. */ mcr p15, 0, r1, c15, c1, 0 /* Write ARM925T configuration register. */ - /* + /* * turn off the watchdog, unlock/diable sequence */ mov r1, #0xF5 @@ -162,9 +161,9 @@ reset: ldr r0, =REG_IHL2_MIR str r1, [r0] - /* + /* * wait for dpll to lock - */ + */ ldr r0, =CK_DPLL1 mov r1, #0x10 strh r1, [r0] @@ -414,7 +413,7 @@ fiq: .globl reset_cpu reset_cpu: ldr r1, rstctl1 /* get clkm1 reset ctl */ - mov r3, #0x0 + mov r3, #0x0 strh r3, [r1] /* clear it */ mov r3, #0x8 strh r3, [r1] /* force dsp+arm reset */ diff --git a/cpu/mpc5xxx/Makefile b/cpu/mpc5xxx/Makefile new file mode 100644 index 0000000..2688ee6 --- /dev/null +++ b/cpu/mpc5xxx/Makefile @@ -0,0 +1,45 @@ +# +# (C) Copyright 2003 +# 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 $(TOPDIR)/config.mk + +LIB = lib$(CPU).a + +START = start.o +ASOBJS = io.o firmware_sc_task_bestcomm.impl.o firmware_sc_task.impl.o +OBJS = traps.o cpu.o cpu_init.o speed.o interrupts.o serial.o \ + loadtask.o fec.o + +all: .depend $(START) $(ASOBJS) $(LIB) + +$(LIB): $(OBJS) + $(AR) crv $@ $(ASOBJS) $(OBJS) + +######################################################################### + +.depend: Makefile $(START:.o=.S) $(OBJS:.o=.c) + $(CC) -M $(CFLAGS) $(START:.o=.S) $(ASOBJS:.o=.S) $(OBJS:.o=.c) > $@ + +sinclude .depend + +######################################################################### diff --git a/cpu/mpc5xxx/config.mk b/cpu/mpc5xxx/config.mk new file mode 100644 index 0000000..f84b098 --- /dev/null +++ b/cpu/mpc5xxx/config.mk @@ -0,0 +1,27 @@ +# +# (C) Copyright 2003 +# 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 +# + +PLATFORM_RELFLAGS += -mrelocatable -ffixed-r14 -meabi + +PLATFORM_CPPFLAGS += -DCONFIG_MPC5XXX -ffixed-r2 -ffixed-r29 \ + -mstring -mcpu=603e -mmultiple diff --git a/cpu/mpc5xxx/cpu.c b/cpu/mpc5xxx/cpu.c new file mode 100644 index 0000000..7d95d2f --- /dev/null +++ b/cpu/mpc5xxx/cpu.c @@ -0,0 +1,103 @@ +/* + * (C) Copyright 2000-2003 + * 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 + */ + +/* + * CPU specific code for the MPC5xxx CPUs + */ + +#include <common.h> +#include <watchdog.h> +#include <command.h> +#include <mpc5xxx.h> +#include <asm/processor.h> + +int checkcpu (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + ulong clock = gd->cpu_clk; + char buf[32]; + + puts ("CPU: "); + + printf (CPU_ID_STR); + + printf (" (JTAG ID %08lx)", *(vu_long *)MPC5XXX_CDM_JTAGID); + + printf (" at %s MHz\n", strmhz (buf, clock)); + + return 0; +} + +/* ------------------------------------------------------------------------- */ + +int +do_reset (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +{ + ulong msr, addr; + + *(vu_long *)MPC5XXX_CDM_SRESET &= ~(1 << 16); /* Checkstop Reset enable */ + + /* Interrupts and MMU off */ + __asm__ __volatile__ ("mfmsr %0":"=r" (msr):); + + msr &= ~(MSR_ME | MSR_EE | MSR_IR | MSR_DR); + __asm__ __volatile__ ("mtmsr %0"::"r" (msr)); + + /* + * Trying to execute the next instruction at a non-existing address + * should cause a machine check, resulting in reset + */ +#ifdef CFG_RESET_ADDRESS + addr = CFG_RESET_ADDRESS; +#else + /* + * note: when CFG_MONITOR_BASE points to a RAM address, CFG_MONITOR_BASE + * - sizeof (ulong) is usually a valid address. Better pick an address + * known to be invalid on your system and assign it to CFG_RESET_ADDRESS. + */ + addr = CFG_MONITOR_BASE - sizeof (ulong); +#endif + ((void (*)(void)) addr) (); + return 1; + +} + +/* ------------------------------------------------------------------------- */ + +/* + * Get timebase clock frequency (like cpu_clk in Hz) + * + */ +unsigned long get_tbclk (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + ulong tbclk; + + tbclk = (gd->bus_clk + 3L) / 4L; + + return (tbclk); +} + +/* ------------------------------------------------------------------------- */ diff --git a/cpu/mpc5xxx/cpu_init.c b/cpu/mpc5xxx/cpu_init.c new file mode 100644 index 0000000..7322027 --- /dev/null +++ b/cpu/mpc5xxx/cpu_init.c @@ -0,0 +1,185 @@ +/* + * (C) Copyright 2000-2003 + * 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 <mpc5xxx.h> + +#if defined(CONFIG_MGT5100) +#define START_REG(start) ((start) >> 15) +#define STOP_REG(start, size) (((start) + (size) - 1) >> 15) +#elif defined(CONFIG_MPC5200) +#define START_REG(start) ((start) >> 16) +#define STOP_REG(start, size) (((start) + (size) - 1) >> 16) +#endif + +/* + * Breath some life into the CPU... + * + * Set up the memory map, + * initialize a bunch of registers. + */ +void cpu_init_f (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + unsigned long addecr = (1 << 25); /* Boot_CS */ +#if defined(CFG_RAMBOOT) && defined(CONFIG_MGT5100) + addecr |= (1 << 22); /* SDRAM enable */ +#endif + /* Pointer is writable since we allocated a register for it */ + gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET); + + /* Clear initial global data */ + memset ((void *) gd, 0, sizeof (gd_t)); + + /* + * Memory Controller: configure chip selects and enable them + */ +#if defined(CFG_BOOTCS_START) && defined(CFG_BOOTCS_SIZE) + *(vu_long *)MPC5XXX_BOOTCS_START = START_REG(CFG_BOOTCS_START); + *(vu_long *)MPC5XXX_BOOTCS_STOP = STOP_REG(CFG_BOOTCS_START, + CFG_BOOTCS_SIZE); +#endif +#if defined(CFG_BOOTCS_CFG) + *(vu_long *)MPC5XXX_BOOTCS_CFG = CFG_BOOTCS_CFG; +#endif + +#if defined(CFG_CS0_START) && defined(CFG_CS0_SIZE) + *(vu_long *)MPC5XXX_CS0_START = START_REG(CFG_CS0_START); + *(vu_long *)MPC5XXX_CS0_STOP = STOP_REG(CFG_CS0_START, CFG_CS0_SIZE); + /* CS0 and BOOT_CS cannot be enabled at once. */ + /* addecr |= (1 << 16); */ +#endif +#if defined(CFG_CS0_CFG) + *(vu_long *)MPC5XXX_CS0_CFG = CFG_CS0_CFG; +#endif + +#if defined(CFG_CS1_START) && defined(CFG_CS1_SIZE) + *(vu_long *)MPC5XXX_CS1_START = START_REG(CFG_CS1_START); + *(vu_long *)MPC5XXX_CS1_STOP = STOP_REG(CFG_CS1_START, CFG_CS1_SIZE); + addecr |= (1 << 17); +#endif +#if defined(CFG_CS1_CFG) + *(vu_long *)MPC5XXX_CS1_CFG = CFG_CS1_CFG; +#endif + +#if defined(CFG_CS2_START) && defined(CFG_CS2_SIZE) + *(vu_long *)MPC5XXX_CS2_START = START_REG(CFG_CS2_START); + *(vu_long *)MPC5XXX_CS2_STOP = STOP_REG(CFG_CS2_START, CFG_CS2_SIZE); + addecr |= (1 << 18); +#endif +#if defined(CFG_CS2_CFG) + *(vu_long *)MPC5XXX_CS2_CFG = CFG_CS2_CFG; +#endif + +#if defined(CFG_CS3_START) && defined(CFG_CS3_SIZE) + *(vu_long *)MPC5XXX_CS3_START = START_REG(CFG_CS3_START); + *(vu_long *)MPC5XXX_CS3_STOP = STOP_REG(CFG_CS3_START, CFG_CS3_SIZE); + addecr |= (1 << 19); +#endif +#if defined(CFG_CS3_CFG) + *(vu_long *)MPC5XXX_CS3_CFG = CFG_CS3_CFG; +#endif + +#if defined(CFG_CS4_START) && defined(CFG_CS4_SIZE) + *(vu_long *)MPC5XXX_CS4_START = START_REG(CFG_CS4_START); + *(vu_long *)MPC5XXX_CS4_STOP = STOP_REG(CFG_CS4_START, CFG_CS4_SIZE); + addecr |= (1 << 20); +#endif +#if defined(CFG_CS4_CFG) + *(vu_long *)MPC5XXX_CS4_CFG = CFG_CS4_CFG; +#endif + +#if defined(CFG_CS5_START) && defined(CFG_CS5_SIZE) + *(vu_long *)MPC5XXX_CS5_START = START_REG(CFG_CS5_START); + *(vu_long *)MPC5XXX_CS5_STOP = STOP_REG(CFG_CS5_START, CFG_CS5_SIZE); + addecr |= (1 << 21); +#endif +#if defined(CFG_CS5_CFG) + *(vu_long *)MPC5XXX_CS5_CFG = CFG_CS5_CFG; +#endif + +#if defined(CONFIG_MPC5200) + addecr |= 1; +#if defined(CFG_CS6_START) && defined(CFG_CS6_SIZE) + *(vu_long *)MPC5XXX_CS6_START = START_REG(CFG_CS6_START); + *(vu_long *)MPC5XXX_CS6_STOP = STOP_REG(CFG_CS6_START, CFG_CS6_SIZE); + addecr |= (1 << 26); +#endif +#if defined(CFG_CS6_CFG) + *(vu_long *)MPC5XXX_CS6_CFG = CFG_CS6_CFG; +#endif + +#if defined(CFG_CS7_START) && defined(CFG_CS7_SIZE) + *(vu_long *)MPC5XXX_CS7_START = START_REG(CFG_CS5_START); + *(vu_long *)MPC5XXX_CS7_STOP = STOP_REG(CFG_CS7_START, CFG_CS7_SIZE); + addecr |= (1 << 27); +#endif +#if defined(CFG_CS7_CFG) + *(vu_long *)MPC5XXX_CS7_CFG = CFG_CS7_CFG; +#endif + +#if defined(CFG_CS_BURST) + *(vu_long *)MPC5XXX_CS_BURST = CFG_CS_BURST; +#endif +#if defined(CFG_CS_DEADCYCLE) + *(vu_long *)MPC5XXX_CS_DEADCYCLE = CFG_CS_DEADCYCLE; +#endif +#endif /* CONFIG_MPC5200 */ + + /* Enable chip selects */ + *(vu_long *)MPC5XXX_ADDECR = addecr; + *(vu_long *)MPC5XXX_CS_CTRL = (1 << 24); + + /* Setup pin multiplexing */ +#if defined(CFG_GPS_PORT_CONFIG) + *(vu_long *)MPC5XXX_GPS_PORT_CONFIG = CFG_GPS_PORT_CONFIG; +#endif +} + +/* + * initialize higher level parts of CPU like time base and timers + */ +int cpu_init_r (void) +{ + /* mask all interrupts */ +#if defined(CONFIG_MGT5100) + *(vu_long *)MPC5XXX_ICTL_PER_MASK = 0xfffffc00; +#elif defined(CONFIG_MPC5200) + *(vu_long *)MPC5XXX_ICTL_PER_MASK = 0xffffff00; +#endif + *(vu_long *)MPC5XXX_ICTL_CRIT |= 0x0001ffff; + *(vu_long *)MPC5XXX_ICTL_EXT &= ~0x00000f00; + +#if defined(CONFIG_MPC5200) + /* enable timebase */ + *(vu_long *)(MPC5XXX_XLBARB + 0x40) |= (1 << 13); +#endif + +#if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_MPC5XXX_FEC) + /* load FEC microcode */ + loadtask(0, 2); +#endif + + return (0); +} diff --git a/cpu/mpc5xxx/fec.c b/cpu/mpc5xxx/fec.c new file mode 100644 index 0000000..b8e2560 --- /dev/null +++ b/cpu/mpc5xxx/fec.c @@ -0,0 +1,944 @@ +/* + * (C) Copyright 2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * This file is based on mpc4200fec.c, + * (C) Copyright Motorola, Inc., 2000 + */ + +#include <common.h> +#include <mpc5xxx.h> +#include <malloc.h> +#include <net.h> +#include <miiphy.h> +#include "sdma.h" +#include "fec.h" + +#define DEBUG 0x8 + +#if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_NET_MULTI) && \ + defined(CONFIG_MPC5XXX_FEC) + +#if (DEBUG & 0x60) +static void tfifo_print(mpc5xxx_fec_priv *fec); +static void rfifo_print(mpc5xxx_fec_priv *fec); +#endif /* DEBUG */ + +#if (DEBUG & 0x40) +static uint32 local_crc32(char *string, unsigned int crc_value, int len); +#endif + +/********************************************************************/ +static int mpc5xxx_fec_rbd_init(mpc5xxx_fec_priv *fec) +{ + int ix; + char *data; + + /* + * the receive ring is located right after the transmit one + */ + for (ix = 0; ix < FEC_RBD_NUM; ix++) { + data = (char *)malloc(FEC_MAX_PKT_SIZE); + if (data == NULL) { + printf ("RBD INIT FAILED\n"); + return -1; + } + fec->rbdBase[ix].status = FEC_RBD_EMPTY; + fec->rbdBase[ix].dataLength = 0; + fec->rbdBase[ix].dataPointer = (uint32)data; + } + + /* + * have the last RBD to close the ring + */ + fec->rbdBase[ix - 1].status |= FEC_RBD_WRAP; + fec->rbdIndex = 0; + + return 0; +} + +/********************************************************************/ +static void mpc5xxx_fec_tbd_init(mpc5xxx_fec_priv *fec) +{ + int ix; + + for (ix = 0; ix < FEC_TBD_NUM; ix++) { + fec->tbdBase[ix].status = 0; + } + + /* + * Have the last TBD to close the ring + */ + fec->tbdBase[ix - 1].status |= FEC_TBD_WRAP; + + /* + * Initialize some indices + */ + fec->tbdIndex = 0; + fec->usedTbdIndex = 0; + fec->cleanTbdNum = FEC_TBD_NUM; +} + +/********************************************************************/ +static void mpc5xxx_fec_rbd_clean(mpc5xxx_fec_priv *fec, FEC_RBD * pRbd) +{ + /* + * Reset buffer descriptor as empty + */ + if ((fec->rbdIndex) == (FEC_RBD_NUM - 1)) + pRbd->status = (FEC_RBD_WRAP | FEC_RBD_EMPTY); + else + pRbd->status = FEC_RBD_EMPTY; + + pRbd->dataLength = 0; + + /* + * Now, we have an empty RxBD, restart the SmartDMA receive task + */ + SDMA_TASK_ENABLE(FEC_RECV_TASK_NO); + + /* + * Increment BD count + */ + fec->rbdIndex = (fec->rbdIndex + 1) % FEC_RBD_NUM; +} + +/********************************************************************/ +static void mpc5xxx_fec_tbd_scrub(mpc5xxx_fec_priv *fec) +{ + FEC_TBD *pUsedTbd; + +#if (DEBUG & 0x1) + printf ("tbd_scrub: fec->cleanTbdNum = %d, fec->usedTbdIndex = %d\n", + fec->cleanTbdNum, fec->usedTbdIndex); +#endif + + /* + * process all the consumed TBDs + */ + while (fec->cleanTbdNum < FEC_TBD_NUM) { + pUsedTbd = &fec->tbdBase[fec->usedTbdIndex]; + if (pUsedTbd->status & FEC_TBD_READY) { +#if (DEBUG & 0x20) + printf("Cannot clean TBD %d, in use\n", fec->cleanTbdNum); +#endif + return; + } + + /* + * clean this buffer descriptor + */ + if (fec->usedTbdIndex == (FEC_TBD_NUM - 1)) + pUsedTbd->status = FEC_TBD_WRAP; + else + pUsedTbd->status = 0; + + /* + * update some indeces for a correct handling of the TBD ring + */ + fec->cleanTbdNum++; + fec->usedTbdIndex = (fec->usedTbdIndex + 1) % FEC_TBD_NUM; + } +} + +/********************************************************************/ +static void mpc5xxx_fec_set_hwaddr(mpc5xxx_fec_priv *fec, char *mac) +{ + uint8 currByte; /* byte for which to compute the CRC */ + int byte; /* loop - counter */ + int bit; /* loop - counter */ + uint32 crc = 0xffffffff; /* initial value */ + + /* + * The algorithm used is the following: + * we loop on each of the six bytes of the provided address, + * and we compute the CRC by left-shifting the previous + * value by one position, so that each bit in the current + * byte of the address may contribute the calculation. If + * the latter and the MSB in the CRC are different, then + * the CRC value so computed is also ex-ored with the + * "polynomium generator". The current byte of the address + * is also shifted right by one bit at each iteration. + * This is because the CRC generatore in hardware is implemented + * as a shift-register with as many ex-ores as the radixes + * in the polynomium. This suggests that we represent the + * polynomiumm itself as a 32-bit constant. + */ + for (byte = 0; byte < 6; byte++) { + currByte = mac[byte]; + for (bit = 0; bit < 8; bit++) { + if ((currByte & 0x01) ^ (crc & 0x01)) { + crc >>= 1; + crc = crc ^ 0xedb88320; + } else { + crc >>= 1; + } + currByte >>= 1; + } + } + + crc = crc >> 26; + + /* + * Set individual hash table register + */ + if (crc >= 32) { + fec->eth->iaddr1 = (1 << (crc - 32)); + fec->eth->iaddr2 = 0; + } else { + fec->eth->iaddr1 = 0; + fec->eth->iaddr2 = (1 << crc); + } + + /* + * Set physical address + */ + fec->eth->paddr1 = (mac[0] << 24) + (mac[1] << 16) + (mac[2] << 8) + mac[3]; + fec->eth->paddr2 = (mac[4] << 24) + (mac[5] << 16) + 0x8808; +} + +/********************************************************************/ +static int mpc5xxx_fec_init(struct eth_device *dev, bd_t * bis) +{ + mpc5xxx_fec_priv *fec = (mpc5xxx_fec_priv *)dev->priv; + struct mpc5xxx_sdma *sdma = (struct mpc5xxx_sdma *)MPC5XXX_SDMA; + const uint8 phyAddr = 0; /* Only one PHY */ + +#if (DEBUG & 0x1) + printf ("mpc5xxx_fec_init... Begin\n"); +#endif + + /* + * Initialize RxBD/TxBD rings + */ + mpc5xxx_fec_rbd_init(fec); + mpc5xxx_fec_tbd_init(fec); + + /* + * Initialize GPIO pins + */ + if (fec->xcv_type == SEVENWIRE) { + /* 10MBit with 7-wire operation */ + *(vu_long *)MPC5XXX_GPS_PORT_CONFIG |= 0x00020000; + } else { + /* 100MBit with MD operation */ + *(vu_long *)MPC5XXX_GPS_PORT_CONFIG |= 0x00050000; + } + + /* + * Clear FEC-Lite interrupt event register(IEVENT) + */ + fec->eth->ievent = 0xffffffff; + + /* + * Set interrupt mask register + */ + fec->eth->imask = 0x00000000; + + /* + * Set FEC-Lite receive control register(R_CNTRL): + */ + if (fec->xcv_type == SEVENWIRE) { + /* + * Frame length=1518; 7-wire mode + */ + fec->eth->r_cntrl = 0x05ee0020; /*0x05ee0000;FIXME */ + } else { + /* + * Frame length=1518; MII mode; + */ + fec->eth->r_cntrl = 0x05ee0024; /*0x05ee0004;FIXME */ + } + + if (fec->xcv_type == SEVENWIRE) { + /* + * Set FEC-Lite transmit control register(X_CNTRL): + */ + /*fec->eth->x_cntrl = 0x00000002; */ /* half-duplex, heartbeat */ + fec->eth->x_cntrl = 0x00000000; /* half-duplex, heartbeat disabled */ + } else { + /*fec->eth->x_cntrl = 0x00000006; */ /* full-duplex, heartbeat */ + fec->eth->x_cntrl = 0x00000004; /* full-duplex, heartbeat disabled */ + + /* + * Set MII_SPEED = (1/(mii_speed * 2)) * System Clock(25Mhz) + * and do not drop the Preamble. + */ + fec->eth->mii_speed = (0x5 << 1); /* No MII for 7-wire mode */ + } + + /* + * Set Opcode/Pause Duration Register + */ + fec->eth->op_pause = 0x00010020; /*FIXME0xffff0020; */ + + /* + * Set Rx FIFO alarm and granularity value + */ + fec->eth->rfifo_cntrl = 0x0c000000; + fec->eth->rfifo_alarm = 0x0000030c; +#if (DEBUG & 0x22) + if (fec->eth->rfifo_status & 0x00700000 ) { + printf("mpc5xxx_fec_init() RFIFO error\n"); + } +#endif + + /* + * Set Tx FIFO granularity value + */ + fec->eth->tfifo_cntrl = 0x0c000000; +#if (DEBUG & 0x2) + printf("tfifo_status: 0x%08x\n", fec->eth->tfifo_status); + printf("tfifo_alarm: 0x%08x\n", fec->eth->tfifo_alarm); +#endif + + /* + * Set transmit fifo watermark register(X_WMRK), default = 64 + */ + fec->eth->tfifo_alarm = 0x00000080; + fec->eth->x_wmrk = 0x2; + + /* + * Set individual address filter for unicast address + * and set physical address registers. + */ + mpc5xxx_fec_set_hwaddr(fec, dev->enetaddr); + + /* + * Set multicast address filter + */ + fec->eth->gaddr1 = 0x00000000; + fec->eth->gaddr2 = 0x00000000; + + /* + * Turn ON cheater FSM: ???? + */ + fec->eth->xmit_fsm = 0x03000000; + +#if defined(CONFIG_MPC5200) + /* + * Turn off COMM bus prefetch in the MGT5200 BestComm. It doesn't + * work w/ the current receive task. + */ + sdma->PtdCntrl |= 0x00000001; +#endif + + /* + * Set priority of different initiators + */ + sdma->IPR0 = 7; /* always */ + sdma->IPR3 = 6; /* Eth RX */ + sdma->IPR4 = 5; /* Eth Tx */ + + /* + * Clear SmartDMA task interrupt pending bits + */ + SDMA_CLEAR_IEVENT(FEC_RECV_TASK_NO); + + /* + * Set SmartDMA intMask register to enable SmartDMA task interrupts + */ + SDMA_INT_ENABLE(FEC_RECV_TASK_NO); + + /* + * Initialize SmartDMA parameters stored in SRAM + */ + *(int *)FEC_TBD_BASE = (int)fec->tbdBase; + *(int *)FEC_RBD_BASE = (int)fec->rbdBase; + *(int *)FEC_TBD_NEXT = (int)fec->tbdBase; + *(int *)FEC_RBD_NEXT = (int)fec->rbdBase; + + if (fec->xcv_type != SEVENWIRE) { + /* + * Initialize PHY(LXT971A): + * + * Generally, on power up, the LXT971A reads its configuration + * pins to check for forced operation, If not cofigured for + * forced operation, it uses auto-negotiation/parallel detection + * to automatically determine line operating conditions. + * If the PHY device on the other side of the link supports + * auto-negotiation, the LXT971A auto-negotiates with it + * using Fast Link Pulse(FLP) Bursts. If the PHY partner does not + * support auto-negotiation, the LXT971A automatically detects + * the presence of either link pulses(10Mbps PHY) or Idle + * symbols(100Mbps) and sets its operating conditions accordingly. + * + * When auto-negotiation is controlled by software, the following + * steps are recommended. + * + * Note: + * The physical address is dependent on hardware configuration. + * + */ + int timeout = 1; + uint16 phyStatus; + + /* + * Reset PHY, then delay 300ns + */ + miiphy_write(phyAddr, 0x0, 0x8000); + udelay(1000); + + if (fec->xcv_type == MII10) { + /* + * Force 10Base-T, FDX operation + */ + printf("Forcing 10 Mbps ethernet link... "); + miiphy_read(phyAddr, 0x1, &phyStatus); + /* + miiphy_write(fec, phyAddr, 0x0, 0x0100); + */ + miiphy_write(phyAddr, 0x0, 0x0180); + + timeout = 20; + do { /* wait for link status to go down */ + udelay(10000); + if ((timeout--) == 0) { +#if (DEBUG & 0x2) + printf("hmmm, should not have waited..."); +#endif + break; + } + miiphy_read(phyAddr, 0x1, &phyStatus); +#if (DEBUG & 0x2) + printf("="); +#endif + } while ((phyStatus & 0x0004)); /* !link up */ + + timeout = 1000; + do { /* wait for link status to come back up */ + udelay(10000); + if ((timeout--) == 0) { + printf("failed. Link is down.\n"); + break; + } + miiphy_read(phyAddr, 0x1, &phyStatus); +#if (DEBUG & 0x2) + printf("+"); +#endif + } while (!(phyStatus & 0x0004)); /* !link up */ + + printf ("done.\n"); + } else { /* MII100 */ + /* + * Set the auto-negotiation advertisement register bits + */ + miiphy_write(phyAddr, 0x4, 0x01e1); + + /* + * Set MDIO bit 0.12 = 1(&& bit 0.9=1?) to enable auto-negotiation + */ + miiphy_write(phyAddr, 0x0, 0x1200); + + /* + * Wait for AN completion + */ + timeout = 5000; + do { + udelay(1000); + + if ((timeout--) == 0) { +#if (DEBUG & 0x2) + printf("PHY auto neg 0 failed...\n"); +#endif + return -1; + } + + if (miiphy_read(phyAddr, 0x1, &phyStatus) != 0) { +#if (DEBUG & 0x2) + printf("PHY auto neg 1 failed 0x%04x...\n", phyStatus); +#endif + return -1; + } + } while ((phyStatus & 0x0020) != 0x0020); + +#if (DEBUG & 0x2) + printf("PHY auto neg complete! \n"); +#endif + } + + } + + /* + * Enable FEC-Lite controller + */ + fec->eth->ecntrl |= 0x00000006; + + if (fec->xcv_type != SEVENWIRE) { +#if (DEBUG & 0x2) + uint16 phyStatus, i; + uint8 phyAddr = 0; + + for (i = 0; i < 9; i++) { + miiphy_read(phyAddr, i, &phyStatus); + printf("Mii reg %d: 0x%04x\n", i, phyStatus); + } + for (i = 16; i < 21; i++) { + miiphy_read(phyAddr, i, &phyStatus); + printf("Mii reg %d: 0x%04x\n", i, phyStatus); + } +#endif + } + /* + * Enable SmartDMA receive task + */ + SDMA_TASK_ENABLE(FEC_RECV_TASK_NO); + +#if (DEBUG & 0x1) + printf("mpc5xxx_fec_init... Done \n"); +#endif + + return 0; +} + +/********************************************************************/ +static void mpc5xxx_fec_halt(struct eth_device *dev) +{ + mpc5xxx_fec_priv *fec = (mpc5xxx_fec_priv *)dev->priv; + struct mpc5xxx_sdma *sdma = (struct mpc5xxx_sdma *)MPC5XXX_SDMA; + int counter = 0xffff; + +#if (DEBUG & 0x2) + if (fec->xcv_type != SEVENWIRE) { + uint16 phyStatus, i; + uint8 phyAddr = 0; + + for (i = 0; i < 9; i++) { + miiphy_read(phyAddr, i, &phyStatus); + printf("Mii reg %d: 0x%04x\n", i, phyStatus); + } + for (i = 16; i < 21; i++) { + miiphy_read(phyAddr, i, &phyStatus); + printf ("Mii reg %d: 0x%04x\n", i, phyStatus); + } + } +#endif + + + /* + * mask FEC chip interrupts + */ + fec->eth->imask = 0; + + /* + * issue graceful stop command to the FEC transmitter if necessary + */ + fec->eth->x_cntrl |= 0x00000001; + + /* + * wait for graceful stop to register + */ + while ((counter--) && (!(fec->eth->ievent & 0x10000000))) ; + + SDMA_INT_DISABLE (FEC_RECV_TASK_NO); + + /* + * Disable SmartDMA tasks + */ + SDMA_TASK_DISABLE (FEC_XMIT_TASK_NO); + SDMA_TASK_DISABLE (FEC_RECV_TASK_NO); + +#if defined(CONFIG_MPC5200) + /* + * Turn on COMM bus prefetch in the MGT5200 BestComm after we're + * done. It doesn't work w/ the current receive task. + */ + sdma->PtdCntrl &= ~0x00000001; +#endif + + /* + * Disable the Ethernet Controller + */ + fec->eth->ecntrl &= 0xfffffffd; + + /* + * Clear FIFO status registers + */ + fec->eth->rfifo_status &= 0x00700000; + fec->eth->tfifo_status &= 0x00700000; + + fec->eth->reset_cntrl = 0x01000000; + + /* + * Issue a reset command to the FEC chip + */ + fec->eth->ecntrl |= 0x1; + + /* + * wait at least 16 clock cycles + */ + udelay(10); + +#if (DEBUG & 0x3) + printf("Ethernet task stopped\n"); +#endif +} + +#if (DEBUG & 0x60) +/********************************************************************/ + +static void tfifo_print(mpc5xxx_fec_priv *fec) +{ + uint16 phyAddr = 0; + uint16 phyStatus; + + if ((fec->eth->tfifo_lrf_ptr != fec->eth->tfifo_lwf_ptr) + || (fec->eth->tfifo_rdptr != fec->eth->tfifo_wrptr)) { + + miiphy_read(phyAddr, 0x1, &phyStatus); + printf("\nphyStatus: 0x%04x\n", phyStatus); + printf("ecntrl: 0x%08x\n", fec->eth->ecntrl); + printf("ievent: 0x%08x\n", fec->eth->ievent); + printf("x_status: 0x%08x\n", fec->eth->x_status); + printf("tfifo: status 0x%08x\n", fec->eth->tfifo_status); + + printf(" control 0x%08x\n", fec->eth->tfifo_cntrl); + printf(" lrfp 0x%08x\n", fec->eth->tfifo_lrf_ptr); + printf(" lwfp 0x%08x\n", fec->eth->tfifo_lwf_ptr); + printf(" alarm 0x%08x\n", fec->eth->tfifo_alarm); + printf(" readptr 0x%08x\n", fec->eth->tfifo_rdptr); + printf(" writptr 0x%08x\n", fec->eth->tfifo_wrptr); + } +} + +static void rfifo_print(mpc5xxx_fec_priv *fec) +{ + uint16 phyAddr = 0; + uint16 phyStatus; + + if ((fec->eth->rfifo_lrf_ptr != fec->eth->rfifo_lwf_ptr) + || (fec->eth->rfifo_rdptr != fec->eth->rfifo_wrptr)) { + + miiphy_read(phyAddr, 0x1, &phyStatus); + printf("\nphyStatus: 0x%04x\n", phyStatus); + printf("ecntrl: 0x%08x\n", fec->eth->ecntrl); + printf("ievent: 0x%08x\n", fec->eth->ievent); + printf("x_status: 0x%08x\n", fec->eth->x_status); + printf("rfifo: status 0x%08x\n", fec->eth->rfifo_status); + + printf(" control 0x%08x\n", fec->eth->rfifo_cntrl); + printf(" lrfp 0x%08x\n", fec->eth->rfifo_lrf_ptr); + printf(" lwfp 0x%08x\n", fec->eth->rfifo_lwf_ptr); + printf(" alarm 0x%08x\n", fec->eth->rfifo_alarm); + printf(" readptr 0x%08x\n", fec->eth->rfifo_rdptr); + printf(" writptr 0x%08x\n", fec->eth->rfifo_wrptr); + } +} +#endif /* DEBUG */ + +/********************************************************************/ + +static int mpc5xxx_fec_send(struct eth_device *dev, volatile void *eth_data, + int data_length) +{ + /* + * This routine transmits one frame. This routine only accepts + * 6-byte Ethernet addresses. + */ + mpc5xxx_fec_priv *fec = (mpc5xxx_fec_priv *)dev->priv; + FEC_TBD *pTbd; + +#if (DEBUG & 0x20) + printf("tbd status: 0x%04x\n", fec->tbdBase[0].status); + tfifo_print(fec); +#endif + + /* + * Clear Tx BD ring at first + */ + mpc5xxx_fec_tbd_scrub(fec); + + /* + * Check for valid length of data. + */ + if ((data_length > 1500) || (data_length <= 0)) { + return -1; + } + + /* + * Check the number of vacant TxBDs. + */ + if (fec->cleanTbdNum < 1) { +#if (DEBUG & 0x20) + printf("No available TxBDs ...\n"); +#endif + return -1; + } + + /* + * Get the first TxBD to send the mac header + */ + pTbd = &fec->tbdBase[fec->tbdIndex]; + pTbd->dataLength = data_length; + pTbd->dataPointer = (uint32)eth_data; + pTbd->status |= FEC_TBD_READY; + fec->tbdIndex = (fec->tbdIndex + 1) % FEC_TBD_NUM; + +#if (DEBUG & 0x100) + printf("SDMA_TASK_ENABLE, fec->tbdIndex = %d \n", fec->tbdIndex); +#endif + + /* + * Kick the MII i/f + */ + if (fec->xcv_type != SEVENWIRE) { + uint16 phyStatus; + miiphy_read(0, 0x1, &phyStatus); + } + + /* + * Enable SmartDMA transmit task + */ + +#if (DEBUG & 0x20) + tfifo_print(fec); +#endif + SDMA_TASK_ENABLE (FEC_XMIT_TASK_NO); +#if (DEBUG & 0x20) + tfifo_print(fec); +#endif +#if (DEBUG & 0x8) + printf( "+" ); +#endif + + fec->cleanTbdNum -= 1; + +#if (DEBUG & 0x129) && (DEBUG & 0x80000000) + printf ("smartDMA ethernet Tx task enabled\n"); +#endif + /* + * wait until frame is sent . + */ + while (pTbd->status & FEC_TBD_READY) { + udelay(10); +#if (DEBUG & 0x8) + printf ("TDB status = %04x\n", pTbd->status); +#endif + } + + return 0; +} + + +/********************************************************************/ +static int mpc5xxx_fec_recv(struct eth_device *dev) +{ + /* + * This command pulls one frame from the card + */ + mpc5xxx_fec_priv *fec = (mpc5xxx_fec_priv *)dev->priv; + FEC_RBD *pRbd = &fec->rbdBase[fec->rbdIndex]; + unsigned long ievent; + int frame_length; + char *frame; + +#if (DEBUG & 0x1) + printf ("mpc5xxx_fec_recv %d Start...\n", fec->rbdIndex); +#endif +#if (DEBUG & 0x8) + printf( "-" ); +#endif + + /* + * Check if any critical events have happened + */ + ievent = fec->eth->ievent; + fec->eth->ievent = ievent; + if (ievent & 0x20060000) { + /* BABT, Rx/Tx FIFO errors */ + mpc5xxx_fec_halt(dev); + mpc5xxx_fec_init(dev, NULL); + return 0; + } + if (ievent & 0x80000000) { + /* Heartbeat error */ + fec->eth->x_cntrl |= 0x00000001; + } + if (ievent & 0x10000000) { + /* Graceful stop complete */ + if (fec->eth->x_cntrl & 0x00000001) { + mpc5xxx_fec_halt(dev); + fec->eth->x_cntrl &= ~0x00000001; + mpc5xxx_fec_init(dev, NULL); + } + } + + /* + * Do we have data in Rx FIFO? + */ + if ((pRbd->status & FEC_RBD_EMPTY) || !(pRbd->status & FEC_RBD_LAST)){ + return 0; + } + + /* + * Pass the packet up only if reception was Ok + */ + if ((pRbd->dataLength <= 14) || (pRbd->status & FEC_RBD_ERR)) { + mpc5xxx_fec_rbd_clean(fec, pRbd); +#if (DEBUG & 0x8) + printf( "X0" ); +#endif + return 0; + } + + /* + * Get buffer address and size + */ + frame = (char *)pRbd->dataPointer; + frame_length = pRbd->dataLength; + + /* + * Pass the buffer to upper layers + */ + NetReceive(frame, frame_length); + + /* + * Reset buffer descriptor as empty + */ + mpc5xxx_fec_rbd_clean(fec, pRbd); + + return frame_length; +} + + +/********************************************************************/ +int mpc5xxx_fec_initialize(bd_t * bis) +{ + mpc5xxx_fec_priv *fec; + struct eth_device *dev; + + fec = (mpc5xxx_fec_priv *)malloc(sizeof(*fec)); + dev = (struct eth_device *)malloc(sizeof(*dev)); + + fec->eth = (ethernet_regs *)MPC5XXX_FEC; + fec->tbdBase = (FEC_TBD *)FEC_BD_BASE; + fec->rbdBase = (FEC_RBD *)(FEC_BD_BASE + FEC_TBD_NUM * sizeof(FEC_TBD)); +#ifdef CONFIG_ICECUBE + fec->xcv_type = MII100; +#endif + + dev->priv = (void *)fec; + dev->iobase = MPC5XXX_FEC; + dev->init = mpc5xxx_fec_init; + dev->halt = mpc5xxx_fec_halt; + dev->send = mpc5xxx_fec_send; + dev->recv = mpc5xxx_fec_recv; + + eth_register(dev); + + return 1; +} + +/* MII-interface related functions */ +/********************************************************************/ +int miiphy_read(uint8 phyAddr, uint8 regAddr, uint16 * retVal) +{ + ethernet_regs *eth = (ethernet_regs *)MPC5XXX_FEC; + uint32 reg; /* convenient holder for the PHY register */ + uint32 phy; /* convenient holder for the PHY */ + int timeout = 0xffff; + + /* + * reading from any PHY's register is done by properly + * programming the FEC's MII data register. + */ + reg = regAddr << FEC_MII_DATA_RA_SHIFT; + phy = phyAddr << FEC_MII_DATA_PA_SHIFT; + + eth->mii_data = (FEC_MII_DATA_ST | FEC_MII_DATA_OP_RD | FEC_MII_DATA_TA | phy | reg); + + /* + * wait for the related interrupt + */ + while ((timeout--) && (!(eth->ievent & 0x00800000))) ; + + if (timeout == 0) { +#if (DEBUG & 0x2) + printf ("Read MDIO failed...\n"); +#endif + return -1; + } + + /* + * clear mii interrupt bit + */ + eth->ievent = 0x00800000; + + /* + * it's now safe to read the PHY's register + */ + *retVal = (uint16) eth->mii_data; + + return 0; +} + +/********************************************************************/ +int miiphy_write(uint8 phyAddr, uint8 regAddr, uint16 data) +{ + ethernet_regs *eth = (ethernet_regs *)MPC5XXX_FEC; + uint32 reg; /* convenient holder for the PHY register */ + uint32 phy; /* convenient holder for the PHY */ + int timeout = 0xffff; + + reg = regAddr << FEC_MII_DATA_RA_SHIFT; + phy = phyAddr << FEC_MII_DATA_PA_SHIFT; + + eth->mii_data = (FEC_MII_DATA_ST | FEC_MII_DATA_OP_WR | + FEC_MII_DATA_TA | phy | reg | data); + + /* + * wait for the MII interrupt + */ + while ((timeout--) && (!(eth->ievent & 0x00800000))) ; + + if (timeout == 0) { +#if (DEBUG & 0x2) + printf ("Write MDIO failed...\n"); +#endif + return -1; + } + + /* + * clear MII interrupt bit + */ + eth->ievent = 0x00800000; + + return 0; +} + +#if (DEBUG & 0x40) +static uint32 local_crc32(char *string, unsigned int crc_value, int len) +{ + int i; + char c; + unsigned int crc, count; + + /* + * crc32 algorithm + */ + /* + * crc = 0xffffffff; * The initialized value should be 0xffffffff + */ + crc = crc_value; + + for (i = len; --i >= 0;) { + c = *string++; + for (count = 0; count < 8; count++) { + if ((c & 0x01) ^ (crc & 0x01)) { + crc >>= 1; + crc = crc ^ 0xedb88320; + } else { + crc >>= 1; + } + c >>= 1; + } + } + + /* + * In big endian system, do byte swaping for crc value + */ + /**/ return crc; +} +#endif /* DEBUG */ + +#endif /* CONFIG_MPC5XXX_FEC */ diff --git a/cpu/mpc5xxx/fec.h b/cpu/mpc5xxx/fec.h new file mode 100644 index 0000000..81756a5 --- /dev/null +++ b/cpu/mpc5xxx/fec.h @@ -0,0 +1,286 @@ +/* + * (C) Copyright 2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * This file is based on mpc4200fec.h + * (C) Copyright Motorola, Inc., 2000 + * + * odin ethernet header file + */ + +#ifndef __MPC5XXX_FEC_H +#define __MPC5XXX_FEC_H + +#include <common.h> +#include <mpc5xxx.h> +#include "sdma.h" + +typedef unsigned long uint32; +typedef unsigned short uint16; +typedef unsigned char uint8; + +typedef struct ethernet_register_set { + +/* [10:2]addr = 00 */ + +/* Control and status Registers (offset 000-1FF) */ + + volatile uint32 fec_id; /* MBAR_ETH + 0x000 */ + volatile uint32 ievent; /* MBAR_ETH + 0x004 */ + volatile uint32 imask; /* MBAR_ETH + 0x008 */ + + volatile uint32 RES0[1]; /* MBAR_ETH + 0x00C */ + volatile uint32 r_des_active; /* MBAR_ETH + 0x010 */ + volatile uint32 x_des_active; /* MBAR_ETH + 0x014 */ + volatile uint32 r_des_active_cl; /* MBAR_ETH + 0x018 */ + volatile uint32 x_des_active_cl; /* MBAR_ETH + 0x01C */ + volatile uint32 ivent_set; /* MBAR_ETH + 0x020 */ + volatile uint32 ecntrl; /* MBAR_ETH + 0x024 */ + + volatile uint32 RES1[6]; /* MBAR_ETH + 0x028-03C */ + volatile uint32 mii_data; /* MBAR_ETH + 0x040 */ + volatile uint32 mii_speed; /* MBAR_ETH + 0x044 */ + volatile uint32 mii_status; /* MBAR_ETH + 0x048 */ + + volatile uint32 RES2[5]; /* MBAR_ETH + 0x04C-05C */ + volatile uint32 mib_data; /* MBAR_ETH + 0x060 */ + volatile uint32 mib_control; /* MBAR_ETH + 0x064 */ + + volatile uint32 RES3[6]; /* MBAR_ETH + 0x068-7C */ + volatile uint32 r_activate; /* MBAR_ETH + 0x080 */ + volatile uint32 r_cntrl; /* MBAR_ETH + 0x084 */ + volatile uint32 r_hash; /* MBAR_ETH + 0x088 */ + volatile uint32 r_data; /* MBAR_ETH + 0x08C */ + volatile uint32 ar_done; /* MBAR_ETH + 0x090 */ + volatile uint32 r_test; /* MBAR_ETH + 0x094 */ + volatile uint32 r_mib; /* MBAR_ETH + 0x098 */ + volatile uint32 r_da_low; /* MBAR_ETH + 0x09C */ + volatile uint32 r_da_high; /* MBAR_ETH + 0x0A0 */ + + volatile uint32 RES4[7]; /* MBAR_ETH + 0x0A4-0BC */ + volatile uint32 x_activate; /* MBAR_ETH + 0x0C0 */ + volatile uint32 x_cntrl; /* MBAR_ETH + 0x0C4 */ + volatile uint32 backoff; /* MBAR_ETH + 0x0C8 */ + volatile uint32 x_data; /* MBAR_ETH + 0x0CC */ + volatile uint32 x_status; /* MBAR_ETH + 0x0D0 */ + volatile uint32 x_mib; /* MBAR_ETH + 0x0D4 */ + volatile uint32 x_test; /* MBAR_ETH + 0x0D8 */ + volatile uint32 fdxfc_da1; /* MBAR_ETH + 0x0DC */ + volatile uint32 fdxfc_da2; /* MBAR_ETH + 0x0E0 */ + volatile uint32 paddr1; /* MBAR_ETH + 0x0E4 */ + volatile uint32 paddr2; /* MBAR_ETH + 0x0E8 */ + volatile uint32 op_pause; /* MBAR_ETH + 0x0EC */ + + volatile uint32 RES5[4]; /* MBAR_ETH + 0x0F0-0FC */ + volatile uint32 instr_reg; /* MBAR_ETH + 0x100 */ + volatile uint32 context_reg; /* MBAR_ETH + 0x104 */ + volatile uint32 test_cntrl; /* MBAR_ETH + 0x108 */ + volatile uint32 acc_reg; /* MBAR_ETH + 0x10C */ + volatile uint32 ones; /* MBAR_ETH + 0x110 */ + volatile uint32 zeros; /* MBAR_ETH + 0x114 */ + volatile uint32 iaddr1; /* MBAR_ETH + 0x118 */ + volatile uint32 iaddr2; /* MBAR_ETH + 0x11C */ + volatile uint32 gaddr1; /* MBAR_ETH + 0x120 */ + volatile uint32 gaddr2; /* MBAR_ETH + 0x124 */ + volatile uint32 random; /* MBAR_ETH + 0x128 */ + volatile uint32 rand1; /* MBAR_ETH + 0x12C */ + volatile uint32 tmp; /* MBAR_ETH + 0x130 */ + + volatile uint32 RES6[3]; /* MBAR_ETH + 0x134-13C */ + volatile uint32 fifo_id; /* MBAR_ETH + 0x140 */ + volatile uint32 x_wmrk; /* MBAR_ETH + 0x144 */ + volatile uint32 fcntrl; /* MBAR_ETH + 0x148 */ + volatile uint32 r_bound; /* MBAR_ETH + 0x14C */ + volatile uint32 r_fstart; /* MBAR_ETH + 0x150 */ + volatile uint32 r_count; /* MBAR_ETH + 0x154 */ + volatile uint32 r_lag; /* MBAR_ETH + 0x158 */ + volatile uint32 r_read; /* MBAR_ETH + 0x15C */ + volatile uint32 r_write; /* MBAR_ETH + 0x160 */ + volatile uint32 x_count; /* MBAR_ETH + 0x164 */ + volatile uint32 x_lag; /* MBAR_ETH + 0x168 */ + volatile uint32 x_retry; /* MBAR_ETH + 0x16C */ + volatile uint32 x_write; /* MBAR_ETH + 0x170 */ + volatile uint32 x_read; /* MBAR_ETH + 0x174 */ + + volatile uint32 RES7[2]; /* MBAR_ETH + 0x178-17C */ + volatile uint32 fm_cntrl; /* MBAR_ETH + 0x180 */ + volatile uint32 rfifo_data; /* MBAR_ETH + 0x184 */ + volatile uint32 rfifo_status; /* MBAR_ETH + 0x188 */ + volatile uint32 rfifo_cntrl; /* MBAR_ETH + 0x18C */ + volatile uint32 rfifo_lrf_ptr; /* MBAR_ETH + 0x190 */ + volatile uint32 rfifo_lwf_ptr; /* MBAR_ETH + 0x194 */ + volatile uint32 rfifo_alarm; /* MBAR_ETH + 0x198 */ + volatile uint32 rfifo_rdptr; /* MBAR_ETH + 0x19C */ + volatile uint32 rfifo_wrptr; /* MBAR_ETH + 0x1A0 */ + volatile uint32 tfifo_data; /* MBAR_ETH + 0x1A4 */ + volatile uint32 tfifo_status; /* MBAR_ETH + 0x1A8 */ + volatile uint32 tfifo_cntrl; /* MBAR_ETH + 0x1AC */ + volatile uint32 tfifo_lrf_ptr; /* MBAR_ETH + 0x1B0 */ + volatile uint32 tfifo_lwf_ptr; /* MBAR_ETH + 0x1B4 */ + volatile uint32 tfifo_alarm; /* MBAR_ETH + 0x1B8 */ + volatile uint32 tfifo_rdptr; /* MBAR_ETH + 0x1BC */ + volatile uint32 tfifo_wrptr; /* MBAR_ETH + 0x1C0 */ + + volatile uint32 reset_cntrl; /* MBAR_ETH + 0x1C4 */ + volatile uint32 xmit_fsm; /* MBAR_ETH + 0x1C8 */ + + volatile uint32 RES8[3]; /* MBAR_ETH + 0x1CC-1D4 */ + volatile uint32 rdes_data0; /* MBAR_ETH + 0x1D8 */ + volatile uint32 rdes_data1; /* MBAR_ETH + 0x1DC */ + volatile uint32 r_length; /* MBAR_ETH + 0x1E0 */ + volatile uint32 x_length; /* MBAR_ETH + 0x1E4 */ + volatile uint32 x_addr; /* MBAR_ETH + 0x1E8 */ + volatile uint32 cdes_data; /* MBAR_ETH + 0x1EC */ + volatile uint32 status; /* MBAR_ETH + 0x1F0 */ + volatile uint32 dma_control; /* MBAR_ETH + 0x1F4 */ + volatile uint32 des_cmnd; /* MBAR_ETH + 0x1F8 */ + volatile uint32 data; /* MBAR_ETH + 0x1FC */ + +/* MIB COUNTERS (Offset 200-2FF) */ + + volatile uint32 rmon_t_drop; /* MBAR_ETH + 0x200 */ + volatile uint32 rmon_t_packets; /* MBAR_ETH + 0x204 */ + volatile uint32 rmon_t_bc_pkt; /* MBAR_ETH + 0x208 */ + volatile uint32 rmon_t_mc_pkt; /* MBAR_ETH + 0x20C */ + volatile uint32 rmon_t_crc_align; /* MBAR_ETH + 0x210 */ + volatile uint32 rmon_t_undersize; /* MBAR_ETH + 0x214 */ + volatile uint32 rmon_t_oversize; /* MBAR_ETH + 0x218 */ + volatile uint32 rmon_t_frag; /* MBAR_ETH + 0x21C */ + volatile uint32 rmon_t_jab; /* MBAR_ETH + 0x220 */ + volatile uint32 rmon_t_col; /* MBAR_ETH + 0x224 */ + volatile uint32 rmon_t_p64; /* MBAR_ETH + 0x228 */ + volatile uint32 rmon_t_p65to127; /* MBAR_ETH + 0x22C */ + volatile uint32 rmon_t_p128to255; /* MBAR_ETH + 0x230 */ + volatile uint32 rmon_t_p256to511; /* MBAR_ETH + 0x234 */ + volatile uint32 rmon_t_p512to1023; /* MBAR_ETH + 0x238 */ + volatile uint32 rmon_t_p1024to2047; /* MBAR_ETH + 0x23C */ + volatile uint32 rmon_t_p_gte2048; /* MBAR_ETH + 0x240 */ + volatile uint32 rmon_t_octets; /* MBAR_ETH + 0x244 */ + volatile uint32 ieee_t_drop; /* MBAR_ETH + 0x248 */ + volatile uint32 ieee_t_frame_ok; /* MBAR_ETH + 0x24C */ + volatile uint32 ieee_t_1col; /* MBAR_ETH + 0x250 */ + volatile uint32 ieee_t_mcol; /* MBAR_ETH + 0x254 */ + volatile uint32 ieee_t_def; /* MBAR_ETH + 0x258 */ + volatile uint32 ieee_t_lcol; /* MBAR_ETH + 0x25C */ + volatile uint32 ieee_t_excol; /* MBAR_ETH + 0x260 */ + volatile uint32 ieee_t_macerr; /* MBAR_ETH + 0x264 */ + volatile uint32 ieee_t_cserr; /* MBAR_ETH + 0x268 */ + volatile uint32 ieee_t_sqe; /* MBAR_ETH + 0x26C */ + volatile uint32 t_fdxfc; /* MBAR_ETH + 0x270 */ + volatile uint32 ieee_t_octets_ok; /* MBAR_ETH + 0x274 */ + + volatile uint32 RES9[2]; /* MBAR_ETH + 0x278-27C */ + volatile uint32 rmon_r_drop; /* MBAR_ETH + 0x280 */ + volatile uint32 rmon_r_packets; /* MBAR_ETH + 0x284 */ + volatile uint32 rmon_r_bc_pkt; /* MBAR_ETH + 0x288 */ + volatile uint32 rmon_r_mc_pkt; /* MBAR_ETH + 0x28C */ + volatile uint32 rmon_r_crc_align; /* MBAR_ETH + 0x290 */ + volatile uint32 rmon_r_undersize; /* MBAR_ETH + 0x294 */ + volatile uint32 rmon_r_oversize; /* MBAR_ETH + 0x298 */ + volatile uint32 rmon_r_frag; /* MBAR_ETH + 0x29C */ + volatile uint32 rmon_r_jab; /* MBAR_ETH + 0x2A0 */ + + volatile uint32 rmon_r_resvd_0; /* MBAR_ETH + 0x2A4 */ + + volatile uint32 rmon_r_p64; /* MBAR_ETH + 0x2A8 */ + volatile uint32 rmon_r_p65to127; /* MBAR_ETH + 0x2AC */ + volatile uint32 rmon_r_p128to255; /* MBAR_ETH + 0x2B0 */ + volatile uint32 rmon_r_p256to511; /* MBAR_ETH + 0x2B4 */ + volatile uint32 rmon_r_p512to1023; /* MBAR_ETH + 0x2B8 */ + volatile uint32 rmon_r_p1024to2047; /* MBAR_ETH + 0x2BC */ + volatile uint32 rmon_r_p_gte2048; /* MBAR_ETH + 0x2C0 */ + volatile uint32 rmon_r_octets; /* MBAR_ETH + 0x2C4 */ + volatile uint32 ieee_r_drop; /* MBAR_ETH + 0x2C8 */ + volatile uint32 ieee_r_frame_ok; /* MBAR_ETH + 0x2CC */ + volatile uint32 ieee_r_crc; /* MBAR_ETH + 0x2D0 */ + volatile uint32 ieee_r_align; /* MBAR_ETH + 0x2D4 */ + volatile uint32 r_macerr; /* MBAR_ETH + 0x2D8 */ + volatile uint32 r_fdxfc; /* MBAR_ETH + 0x2DC */ + volatile uint32 ieee_r_octets_ok; /* MBAR_ETH + 0x2E0 */ + + volatile uint32 RES10[6]; /* MBAR_ETH + 0x2E4-2FC */ + + volatile uint32 RES11[64]; /* MBAR_ETH + 0x300-3FF */ +} ethernet_regs; + +/* Receive & Transmit Buffer Descriptor definitions */ +typedef struct BufferDescriptor { + uint16 status; + uint16 dataLength; + uint32 dataPointer; +} FEC_RBD; +typedef struct { + uint16 status; + uint16 dataLength; + uint32 dataPointer; +} FEC_TBD; + +/* private structure */ +typedef enum { + SEVENWIRE, /* 7-wire */ + MII10, /* MII 10Mbps */ + MII100 /* MII 100Mbps */ +} xceiver_type; + +typedef struct { + ethernet_regs *eth; + xceiver_type xcv_type; /* transceiver type */ + FEC_RBD *rbdBase; /* RBD ring */ + FEC_TBD *tbdBase; /* TBD ring */ + uint16 rbdIndex; /* next receive BD to read */ + uint16 tbdIndex; /* next transmit BD to send */ + uint16 usedTbdIndex; /* next transmit BD to clean */ + uint16 cleanTbdNum; /* the number of available transmit BDs */ +} mpc5xxx_fec_priv; + +/* Ethernet parameter area */ +#define FEC_TBD_BASE (FEC_PARAM_BASE + 0x00) +#define FEC_TBD_NEXT (FEC_PARAM_BASE + 0x04) +#define FEC_RBD_BASE (FEC_PARAM_BASE + 0x08) +#define FEC_RBD_NEXT (FEC_PARAM_BASE + 0x0c) + +/* BD Numer definitions */ +#define FEC_TBD_NUM 48 /* The user can adjust this value */ +#define FEC_RBD_NUM 32 /* The user can adjust this value */ + +/* packet size limit */ +#define FEC_MAX_PKT_SIZE 1536 + +/* RBD bits definitions */ +#define FEC_RBD_EMPTY 0x8000 /* Buffer is empty */ +#define FEC_RBD_WRAP 0x2000 /* Last BD in ring */ +#define FEC_RBD_INT 0x1000 /* Interrupt */ +#define FEC_RBD_LAST 0x0800 /* Buffer is last in frame(useless) */ +#define FEC_RBD_MISS 0x0100 /* Miss bit for prom mode */ +#define FEC_RBD_BC 0x0080 /* The received frame is broadcast frame */ +#define FEC_RBD_MC 0x0040 /* The received frame is multicast frame */ +#define FEC_RBD_LG 0x0020 /* Frame length violation */ +#define FEC_RBD_NO 0x0010 /* Nonoctet align frame */ +#define FEC_RBD_SH 0x0008 /* Short frame */ +#define FEC_RBD_CR 0x0004 /* CRC error */ +#define FEC_RBD_OV 0x0002 /* Receive FIFO overrun */ +#define FEC_RBD_TR 0x0001 /* Frame is truncated */ +#define FEC_RBD_ERR (FEC_RBD_LG | FEC_RBD_NO | FEC_RBD_CR | \ + FEC_RBD_OV | FEC_RBD_TR) + +/* TBD bits definitions */ +#define FEC_TBD_READY 0x8000 /* Buffer is ready */ +#define FEC_TBD_WRAP 0x2000 /* Last BD in ring */ +#define FEC_TBD_INT 0x1000 /* Interrupt */ +#define FEC_TBD_LAST 0x0800 /* Buffer is last in frame */ +#define FEC_TBD_TC 0x0400 /* Transmit the CRC */ +#define FEC_TBD_ABC 0x0200 /* Append bad CRC */ + +/* MII-related definitios */ +#define FEC_MII_DATA_ST 0x40000000 /* Start of frame delimiter */ +#define FEC_MII_DATA_OP_RD 0x20000000 /* Perform a read operation */ +#define FEC_MII_DATA_OP_WR 0x10000000 /* Perform a write operation */ +#define FEC_MII_DATA_PA_MSK 0x0f800000 /* PHY Address field mask */ +#define FEC_MII_DATA_RA_MSK 0x007c0000 /* PHY Register field mask */ +#define FEC_MII_DATA_TA 0x00020000 /* Turnaround */ +#define FEC_MII_DATA_DATAMSK 0x0000ffff /* PHY data field */ + +#define FEC_MII_DATA_RA_SHIFT 18 /* MII Register address bits */ +#define FEC_MII_DATA_PA_SHIFT 23 /* MII PHY address bits */ + +#endif /* __MPC5XXX_FEC_H */ diff --git a/cpu/mpc5xxx/firmware_sc_task.impl.S b/cpu/mpc5xxx/firmware_sc_task.impl.S new file mode 100644 index 0000000..b668ee5 --- /dev/null +++ b/cpu/mpc5xxx/firmware_sc_task.impl.S @@ -0,0 +1,364 @@ +/* + * Copyright (C) 2001, Software Center, Motorola China. + * + * This file contains microcode for the FEC controller of the MGT5100 CPU. + */ + +#include <config.h> + +#if defined(CONFIG_MGT5100) + +/* sas/sccg, gas target */ +.section smartdmaInitData,"aw",@progbits /* Initialized data for task variables */ +.section smartdmaTaskTable,"aw",@progbits /* Task tables */ +.globl taskTable +taskTable: +.globl scEthernetRecv_Entry +scEthernetRecv_Entry: /* Task 0 */ +.long scEthernetRecv_TDT - taskTable /* Task 0 Descriptor Table */ +.long scEthernetRecv_TDT - taskTable + 0x000000a4 +.long scEthernetRecv_VarTab - taskTable /* Task 0 Variable Table */ +.long scEthernetRecv_FDT - taskTable + 0x03 /* Task 0 Function Descriptor Table & Flags */ +.long 0x00000000 +.long 0x00000000 +.long scEthernetRecv_CSave - taskTable /* Task 0 context save space */ +.long 0xf0000000 +.globl scEthernetXmit_Entry +scEthernetXmit_Entry: /* Task 1 */ +.long scEthernetXmit_TDT - taskTable /* Task 1 Descriptor Table */ +.long scEthernetXmit_TDT - taskTable + 0x000000d0 +.long scEthernetXmit_VarTab - taskTable /* Task 1 Variable Table */ +.long scEthernetXmit_FDT - taskTable + 0x03 /* Task 1 Function Descriptor Table & Flags */ +.long 0x00000000 +.long 0x00000000 +.long scEthernetXmit_CSave - taskTable /* Task 1 context save space */ +.long 0xf0000000 + + +.globl scEthernetRecv_TDT +scEthernetRecv_TDT: /* Task 0 Descriptor Table */ +.long 0xc4c50000 /* 0000: LCDEXT: idx0 = var9 + var10; idx0 once var0; idx0 += inc0 */ +.long 0x84c5e000 /* 0004: LCD: idx1 = var9 + var11; ; idx1 += inc0 */ +.long 0x10001f08 /* 0008: DRD1A: var7 = idx1; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x10000380 /* 000C: DRD1A: var0 = *idx0; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x00000f88 /* 0010: DRD1A: var3 = *idx1; FN=0 init=0 WS=0 RS=0 */ +.long 0x81980000 /* 0014: LCD: idx0 = var3; idx0 once var0; idx0 += inc0 */ +.long 0x10000780 /* 0018: DRD1A: var1 = *idx0; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x60000000 /* 001C: DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT init=0 WS=0 RS=0 */ +.long 0x010c504c /* 0020: DRD2B1: var4 = EU1(); EU1(var1,var12) */ +.long 0x82180349 /* 0024: LCD: idx0 = var4; idx0 != var13; idx0 += inc1 */ +.long 0x81c68004 /* 0028: LCD: idx1 = var3 + var13 + 4; idx1 once var0; idx1 += inc0 */ +.long 0x70000000 /* 002C: DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT MORE init=0 WS=0 RS=0 */ +.long 0x018c504e /* 0030: DRD2B1: var6 = EU1(); EU1(var1,var14) */ +.long 0x70000000 /* 0034: DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT MORE init=0 WS=0 RS=0 */ +.long 0x020c504f /* 0038: DRD2B1: var8 = EU1(); EU1(var1,var15) */ +.long 0x00000b88 /* 003C: DRD1A: var2 = *idx1; FN=0 init=0 WS=0 RS=0 */ +.long 0x8000d184 /* 0040: LCDEXT: idx1 = 0xf0003184; ; */ +.long 0xc6990452 /* 0044: LCDEXT: idx2 = var13; idx2 < var17; idx2 += inc2 */ +.long 0x81486010 /* 0048: LCD: idx3 = var2 + var16; ; idx3 += inc2 */ +.long 0x006acf88 /* 004C: DRD1A: *idx3 = *idx1; FN=0 init=3 WS=1 RS=1 */ +.long 0x8000d184 /* 0050: LCDEXT: idx1 = 0xf0003184; ; */ +.long 0x86810492 /* 0054: LCD: idx2 = var13, idx3 = var2; idx2 < var18; idx2 += inc2, idx3 += inc2 */ +.long 0x006acf88 /* 0058: DRD1A: *idx3 = *idx1; FN=0 init=3 WS=1 RS=1 */ +.long 0x8000d184 /* 005C: LCDEXT: idx1 = 0xf0003184; ; */ +.long 0x868184d2 /* 0060: LCD: idx2 = var13, idx3 = var3; idx2 < var19; idx2 += inc2, idx3 += inc2 */ +.long 0x000acf88 /* 0064: DRD1A: *idx3 = *idx1; FN=0 init=0 WS=1 RS=1 */ +.long 0xc318839b /* 0068: LCDEXT: idx1 = var6; idx1 == var14; idx1 += inc3 */ +.long 0x80190000 /* 006C: LCD: idx2 = var0; idx2 once var0; idx2 += inc0 */ +.long 0x04008468 /* 0070: DRD1A: idx1 = var13; FN=0 INT init=0 WS=0 RS=0 */ +.long 0xc4038358 /* 0074: LCDEXT: idx1 = var8, idx2 = var7; idx1 == var13; idx1 += inc3, idx2 += inc0 */ +.long 0x81c50000 /* 0078: LCD: idx3 = var3 + var10; idx3 once var0; idx3 += inc0 */ +.long 0x1000cb18 /* 007C: DRD1A: *idx2 = idx3; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x00000f18 /* 0080: DRD1A: var3 = idx3; FN=0 init=0 WS=0 RS=0 */ +.long 0xc4188364 /* 0084: LCDEXT: idx1 = var8; idx1 > var13; idx1 += inc4 */ +.long 0x83990000 /* 0088: LCD: idx2 = var7; idx2 once var0; idx2 += inc0 */ +.long 0x10000c00 /* 008C: DRD1A: var3 = var0; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x0000c800 /* 0090: DRD1A: *idx2 = var0; FN=0 init=0 WS=0 RS=0 */ +.long 0x81988000 /* 0094: LCD: idx1 = var3; idx1 once var0; idx1 += inc0 */ +.long 0x10000788 /* 0098: DRD1A: var1 = *idx1; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x60000000 /* 009C: DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT init=0 WS=0 RS=0 */ +.long 0x080c504c /* 00A0: DRD2B1: idx0 = EU1(); EU1(var1,var12) */ +.long 0x000001f8 /* 00A4(:0): NOP */ + + +.globl scEthernetXmit_TDT +scEthernetXmit_TDT: /* Task 1 Descriptor Table */ +.long 0x80014800 /* 0000: LCDEXT: idx0 = 0xf0004800; ; */ +.long 0x85c60004 /* 0004: LCD: idx1 = var11 + var12 + 4; idx1 once var0; idx1 += inc0 */ +.long 0x10002308 /* 0008: DRD1A: var8 = idx1; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x10000f88 /* 000C: DRD1A: var3 = *idx1; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x00000380 /* 0010: DRD1A: var0 = *idx0; FN=0 init=0 WS=0 RS=0 */ +.long 0x81980000 /* 0014: LCD: idx0 = var3; idx0 once var0; idx0 += inc0 */ +.long 0x10000780 /* 0018: DRD1A: var1 = *idx0; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x60000000 /* 001C: DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT init=0 WS=0 RS=0 */ +.long 0x024c504d /* 0020: DRD2B1: var9 = EU1(); EU1(var1,var13) */ +.long 0x84980309 /* 0024: LCD: idx0 = var9; idx0 != var12; idx0 += inc1 */ +.long 0xc0004003 /* 0028: LCDEXT: idx1 = 0x00000003; ; */ +.long 0x81c60004 /* 002C: LCD: idx2 = var3 + var12 + 4; idx2 once var0; idx2 += inc0 */ +.long 0x70000000 /* 0030: DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT MORE init=0 WS=0 RS=0 */ +.long 0x010c504e /* 0034: DRD2B1: var4 = EU1(); EU1(var1,var14) */ +.long 0x70000000 /* 0038: DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT MORE init=0 WS=0 RS=0 */ +.long 0x014c504f /* 003C: DRD2B1: var5 = EU1(); EU1(var1,var15) */ +.long 0x70000000 /* 0040: DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT MORE init=0 WS=0 RS=0 */ +.long 0x028c5050 /* 0044: DRD2B1: var10 = EU1(); EU1(var1,var16) */ +.long 0x70000000 /* 0048: DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT MORE init=0 WS=0 RS=0 */ +.long 0x018c5051 /* 004C: DRD2B1: var6 = EU1(); EU1(var1,var17) */ +.long 0x10000b90 /* 0050: DRD1A: var2 = *idx2; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x60000000 /* 0054: DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT init=0 WS=0 RS=0 */ +.long 0x01cc50a1 /* 0058: DRD2B1: var7 = EU1(); EU1(var2,idx1) */ +.long 0xc2988312 /* 005C: LCDEXT: idx1 = var5; idx1 > var12; idx1 += inc2 */ +.long 0x83490000 /* 0060: LCD: idx2 = var6 + var18; idx2 once var0; idx2 += inc0 */ +.long 0x00001b10 /* 0064: DRD1A: var6 = idx2; FN=0 init=0 WS=0 RS=0 */ +.long 0x8000d1a4 /* 0068: LCDEXT: idx1 = 0xf00031a4; ; */ +.long 0x8301031c /* 006C: LCD: idx2 = var6, idx3 = var2; idx2 > var12; idx2 += inc3, idx3 += inc4 */ +.long 0x008ac798 /* 0070: DRD1A: *idx1 = *idx3; FN=0 init=4 WS=1 RS=1 */ +.long 0x8000d1a4 /* 0074: LCDEXT: idx1 = 0xf00031a4; ; */ +.long 0xc1430000 /* 0078: LCDEXT: idx2 = var2 + var6; idx2 once var0; idx2 += inc0 */ +.long 0x82998312 /* 007C: LCD: idx3 = var5; idx3 > var12; idx3 += inc2 */ +.long 0x088ac790 /* 0080: DRD1A: *idx1 = *idx2; FN=0 TFD init=4 WS=1 RS=1 */ +.long 0x81988000 /* 0084: LCD: idx1 = var3; idx1 once var0; idx1 += inc0 */ +.long 0x60000100 /* 0088: DRD2A: EU0=0 EU1=1 EU2=0 EU3=0 EXT init=0 WS=0 RS=0 */ +.long 0x0c4c5c4d /* 008C: DRD2B1: *idx1 = EU1(); EU1(*idx1,var13) */ +.long 0xc21883ad /* 0090: LCDEXT: idx1 = var4; idx1 == var14; idx1 += inc5 */ +.long 0x80190000 /* 0094: LCD: idx2 = var0; idx2 once var0; idx2 += inc0 */ +.long 0x04008460 /* 0098: DRD1A: idx1 = var12; FN=0 INT init=0 WS=0 RS=0 */ +.long 0xc4052305 /* 009C: LCDEXT: idx1 = var8, idx2 = var10; idx2 == var12; idx1 += inc0, idx2 += inc5 */ +.long 0x81c98000 /* 00A0: LCD: idx3 = var3 + var19; idx3 once var0; idx3 += inc0 */ +.long 0x1000c718 /* 00A4: DRD1A: *idx1 = idx3; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x00000f18 /* 00A8: DRD1A: var3 = idx3; FN=0 init=0 WS=0 RS=0 */ +.long 0xc4188000 /* 00AC: LCDEXT: idx1 = var8; idx1 once var0; idx1 += inc0 */ +.long 0x85190312 /* 00B0: LCD: idx2 = var10; idx2 > var12; idx2 += inc2 */ +.long 0x10000c00 /* 00B4: DRD1A: var3 = var0; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x1000c400 /* 00B8: DRD1A: *idx1 = var0; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x00008860 /* 00BC: DRD1A: idx2 = var12; FN=0 init=0 WS=0 RS=0 */ +.long 0x81988000 /* 00C0: LCD: idx1 = var3; idx1 once var0; idx1 += inc0 */ +.long 0x10000788 /* 00C4: DRD1A: var1 = *idx1; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x60000000 /* 00C8: DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT init=0 WS=0 RS=0 */ +.long 0x080c504d /* 00CC: DRD2B1: idx0 = EU1(); EU1(var1,var13) */ +.long 0x000001f8 /* 00D0(:0): NOP */ + +.align 8 + +.globl scEthernetRecv_VarTab +scEthernetRecv_VarTab: /* Task 0 Variable Table */ +.long 0x00000000 /* var[0] */ +.long 0x00000000 /* var[1] */ +.long 0x00000000 /* var[2] */ +.long 0x00000000 /* var[3] */ +.long 0x00000000 /* var[4] */ +.long 0x00000000 /* var[5] */ +.long 0x00000000 /* var[6] */ +.long 0x00000000 /* var[7] */ +.long 0x00000000 /* var[8] */ +.long 0xf0004800 /* var[9] */ +.long 0x00000008 /* var[10] */ +.long 0x0000000c /* var[11] */ +.long 0x80000000 /* var[12] */ +.long 0x00000000 /* var[13] */ +.long 0x10000000 /* var[14] */ +.long 0x20000000 /* var[15] */ +.long 0x000005e4 /* var[16] */ +.long 0x0000000e /* var[17] */ +.long 0x000005e0 /* var[18] */ +.long 0x00000004 /* var[19] */ +.long 0x00000000 /* var[20] */ +.long 0x00000000 /* var[21] */ +.long 0x00000000 /* var[22] */ +.long 0x00000000 /* var[23] */ +.long 0x00000000 /* inc[0] */ +.long 0x60000000 /* inc[1] */ +.long 0x20000001 /* inc[2] */ +.long 0x80000000 /* inc[3] */ +.long 0x40000000 /* inc[4] */ +.long 0x00000000 /* inc[5] */ +.long 0x00000000 /* inc[6] */ +.long 0x00000000 /* inc[7] */ + +.align 8 + +.globl scEthernetXmit_VarTab +scEthernetXmit_VarTab: /* Task 1 Variable Table */ +.long 0x00000000 /* var[0] */ +.long 0x00000000 /* var[1] */ +.long 0x00000000 /* var[2] */ +.long 0x00000000 /* var[3] */ +.long 0x00000000 /* var[4] */ +.long 0x00000000 /* var[5] */ +.long 0x00000000 /* var[6] */ +.long 0x00000000 /* var[7] */ +.long 0x00000000 /* var[8] */ +.long 0x00000000 /* var[9] */ +.long 0x00000000 /* var[10] */ +.long 0xf0004800 /* var[11] */ +.long 0x00000000 /* var[12] */ +.long 0x80000000 /* var[13] */ +.long 0x10000000 /* var[14] */ +.long 0x08000000 /* var[15] */ +.long 0x20000000 /* var[16] */ +.long 0x0000ffff /* var[17] */ +.long 0xffffffff /* var[18] */ +.long 0x00000008 /* var[19] */ +.long 0x00000000 /* var[20] */ +.long 0x00000000 /* var[21] */ +.long 0x00000000 /* var[22] */ +.long 0x00000000 /* var[23] */ +.long 0x00000000 /* inc[0] */ +.long 0x60000000 /* inc[1] */ +.long 0x40000000 /* inc[2] */ +.long 0x4000ffff /* inc[3] */ +.long 0xe0000001 /* inc[4] */ +.long 0x80000000 /* inc[5] */ +.long 0x00000000 /* inc[6] */ +.long 0x00000000 /* inc[7] */ + +.align 8 + +.globl scEthernetRecv_FDT +scEthernetRecv_FDT: /* Task 0 Function Descriptor Table */ +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x05800000 /* and(), EU# 1 */ +.long 0x05400000 /* andn(), EU# 1 */ +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 + +.align 8 + +.globl scEthernetXmit_FDT +scEthernetXmit_FDT: /* Task 1 Function Descriptor Table */ +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x05800000 /* and(), EU# 1 */ +.long 0x05400000 /* andn(), EU# 1 */ +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 + + +.align 8 +.globl scEthernetRecv_CSave +scEthernetRecv_CSave: /* Task 0 context save space */ +.space 256, 0x0 + + +.align 8 +.globl scEthernetXmit_CSave +scEthernetXmit_CSave: /* Task 1 context save space */ +.space 256, 0x0 + +#endif /* CONFIG_MGT5100 */ diff --git a/cpu/mpc5xxx/firmware_sc_task_bestcomm.impl.S b/cpu/mpc5xxx/firmware_sc_task_bestcomm.impl.S new file mode 100644 index 0000000..1d83fe2 --- /dev/null +++ b/cpu/mpc5xxx/firmware_sc_task_bestcomm.impl.S @@ -0,0 +1,363 @@ +/* + * Copyright (C) 2001, Software Center, Motorola China. + * + * This file contains microcode for the FEC controller of the MPC5200 CPU. + */ + +#include <config.h> + +#if defined(CONFIG_MPC5200) + +/* sas/sccg, gas target */ +.section smartdmaInitData,"aw",@progbits /* Initialized data for task variables */ +.section smartdmaTaskTable,"aw",@progbits /* Task tables */ +.align 9 +.globl taskTable +taskTable: +.globl scEthernetRecv_Entry +scEthernetRecv_Entry: /* Task 0 */ +.long scEthernetRecv_TDT - taskTable /* Task 0 Descriptor Table */ +.long scEthernetRecv_TDT - taskTable + 0x000000a4 +.long scEthernetRecv_VarTab - taskTable /* Task 0 Variable Table */ +.long scEthernetRecv_FDT - taskTable + 0x03 /* Task 0 Function Descriptor Table & Flags */ +.long 0x00000000 +.long 0x00000000 +.long scEthernetRecv_CSave - taskTable /* Task 0 context save space */ +.long 0xf0000000 +.globl scEthernetXmit_Entry +scEthernetXmit_Entry: /* Task 1 */ +.long scEthernetXmit_TDT - taskTable /* Task 1 Descriptor Table */ +.long scEthernetXmit_TDT - taskTable + 0x000000d0 +.long scEthernetXmit_VarTab - taskTable /* Task 1 Variable Table */ +.long scEthernetXmit_FDT - taskTable + 0x03 /* Task 1 Function Descriptor Table & Flags */ +.long 0x00000000 +.long 0x00000000 +.long scEthernetXmit_CSave - taskTable /* Task 1 context save space */ +.long 0xf0000000 + + +.globl scEthernetRecv_TDT +scEthernetRecv_TDT: /* Task 0 Descriptor Table */ +.long 0xc4c50000 /* 0000: LCDEXT: idx0 = var9 + var10; idx0 once var0; idx0 += inc0 */ +.long 0x84c5e000 /* 0004: LCD: idx1 = var9 + var11; ; idx1 += inc0 */ +.long 0x10001f08 /* 0008: DRD1A: var7 = idx1; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x10000380 /* 000C: DRD1A: var0 = *idx0; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x00000f88 /* 0010: DRD1A: var3 = *idx1; FN=0 init=0 WS=0 RS=0 */ +.long 0x81980000 /* 0014: LCD: idx0 = var3; idx0 once var0; idx0 += inc0 */ +.long 0x10000780 /* 0018: DRD1A: var1 = *idx0; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x60000000 /* 001C: DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT init=0 WS=0 RS=0 */ +.long 0x010cf04c /* 0020: DRD2B1: var4 = EU3(); EU3(var1,var12) */ +.long 0x82180349 /* 0024: LCD: idx0 = var4; idx0 != var13; idx0 += inc1 */ +.long 0x81c68004 /* 0028: LCD: idx1 = var3 + var13 + 4; idx1 once var0; idx1 += inc0 */ +.long 0x70000000 /* 002C: DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT MORE init=0 WS=0 RS=0 */ +.long 0x018cf04e /* 0030: DRD2B1: var6 = EU3(); EU3(var1,var14) */ +.long 0x70000000 /* 0034: DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT MORE init=0 WS=0 RS=0 */ +.long 0x020cf04f /* 0038: DRD2B1: var8 = EU3(); EU3(var1,var15) */ +.long 0x00000b88 /* 003C: DRD1A: var2 = *idx1; FN=0 init=0 WS=0 RS=0 */ +.long 0x8000d184 /* 0040: LCDEXT: idx1 = 0xf0003184; ; */ +.long 0xc6990452 /* 0044: LCDEXT: idx2 = var13; idx2 < var17; idx2 += inc2 */ +.long 0x81486010 /* 0048: LCD: idx3 = var2 + var16; ; idx3 += inc2 */ +.long 0x006acf88 /* 004C: DRD1A: *idx3 = *idx1; FN=0 init=3 WS=1 RS=1 */ +.long 0x8000d184 /* 0050: LCDEXT: idx1 = 0xf0003184; ; */ +.long 0x86810492 /* 0054: LCD: idx2 = var13, idx3 = var2; idx2 < var18; idx2 += inc2, idx3 += inc2 */ +.long 0x006acf88 /* 0058: DRD1A: *idx3 = *idx1; FN=0 init=3 WS=1 RS=1 */ +.long 0x8000d184 /* 005C: LCDEXT: idx1 = 0xf0003184; ; */ +.long 0x868184d2 /* 0060: LCD: idx2 = var13, idx3 = var3; idx2 < var19; idx2 += inc2, idx3 += inc2 */ +.long 0x000acf88 /* 0064: DRD1A: *idx3 = *idx1; FN=0 init=0 WS=1 RS=1 */ +.long 0xc318839b /* 0068: LCDEXT: idx1 = var6; idx1 == var14; idx1 += inc3 */ +.long 0x80190000 /* 006C: LCD: idx2 = var0; idx2 once var0; idx2 += inc0 */ +.long 0x04008468 /* 0070: DRD1A: idx1 = var13; FN=0 INT init=0 WS=0 RS=0 */ +.long 0xc4038358 /* 0074: LCDEXT: idx1 = var8, idx2 = var7; idx1 == var13; idx1 += inc3, idx2 += inc0 */ +.long 0x81c50000 /* 0078: LCD: idx3 = var3 + var10; idx3 once var0; idx3 += inc0 */ +.long 0x1000cb18 /* 007C: DRD1A: *idx2 = idx3; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x00000f18 /* 0080: DRD1A: var3 = idx3; FN=0 init=0 WS=0 RS=0 */ +.long 0xc4188364 /* 0084: LCDEXT: idx1 = var8; idx1 > var13; idx1 += inc4 */ +.long 0x83990000 /* 0088: LCD: idx2 = var7; idx2 once var0; idx2 += inc0 */ +.long 0x10000c00 /* 008C: DRD1A: var3 = var0; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x0000c800 /* 0090: DRD1A: *idx2 = var0; FN=0 init=0 WS=0 RS=0 */ +.long 0x81988000 /* 0094: LCD: idx1 = var3; idx1 once var0; idx1 += inc0 */ +.long 0x10000788 /* 0098: DRD1A: var1 = *idx1; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x60000000 /* 009C: DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT init=0 WS=0 RS=0 */ +.long 0x080cf04c /* 00A0: DRD2B1: idx0 = EU3(); EU3(var1,var12) */ +.long 0x000001f8 /* 00A4(:0): NOP */ + + +.globl scEthernetXmit_TDT +scEthernetXmit_TDT: /* Task 1 Descriptor Table */ +.long 0x80024800 /* 0000: LCDEXT: idx0 = 0xf0008800; ; */ +.long 0x85c60004 /* 0004: LCD: idx1 = var11 + var12 + 4; idx1 once var0; idx1 += inc0 */ +.long 0x10002308 /* 0008: DRD1A: var8 = idx1; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x10000f88 /* 000C: DRD1A: var3 = *idx1; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x00000380 /* 0010: DRD1A: var0 = *idx0; FN=0 init=0 WS=0 RS=0 */ +.long 0x81980000 /* 0014: LCD: idx0 = var3; idx0 once var0; idx0 += inc0 */ +.long 0x10000780 /* 0018: DRD1A: var1 = *idx0; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x60000000 /* 001C: DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT init=0 WS=0 RS=0 */ +.long 0x024cf04d /* 0020: DRD2B1: var9 = EU3(); EU3(var1,var13) */ +.long 0x84980309 /* 0024: LCD: idx0 = var9; idx0 != var12; idx0 += inc1 */ +.long 0xc0004003 /* 0028: LCDEXT: idx1 = 0x00000003; ; */ +.long 0x81c60004 /* 002C: LCD: idx2 = var3 + var12 + 4; idx2 once var0; idx2 += inc0 */ +.long 0x70000000 /* 0030: DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT MORE init=0 WS=0 RS=0 */ +.long 0x010cf04e /* 0034: DRD2B1: var4 = EU3(); EU3(var1,var14) */ +.long 0x70000000 /* 0038: DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT MORE init=0 WS=0 RS=0 */ +.long 0x014cf04f /* 003C: DRD2B1: var5 = EU3(); EU3(var1,var15) */ +.long 0x70000000 /* 0040: DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT MORE init=0 WS=0 RS=0 */ +.long 0x028cf050 /* 0044: DRD2B1: var10 = EU3(); EU3(var1,var16) */ +.long 0x70000000 /* 0048: DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT MORE init=0 WS=0 RS=0 */ +.long 0x018cf051 /* 004C: DRD2B1: var6 = EU3(); EU3(var1,var17) */ +.long 0x10000b90 /* 0050: DRD1A: var2 = *idx2; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x60000000 /* 0054: DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT init=0 WS=0 RS=0 */ +.long 0x01ccf0a1 /* 0058: DRD2B1: var7 = EU3(); EU3(var2,idx1) */ +.long 0xc2988312 /* 005C: LCDEXT: idx1 = var5; idx1 > var12; idx1 += inc2 */ +.long 0x83490000 /* 0060: LCD: idx2 = var6 + var18; idx2 once var0; idx2 += inc0 */ +.long 0x00001b10 /* 0064: DRD1A: var6 = idx2; FN=0 init=0 WS=0 RS=0 */ +.long 0x8000d1a4 /* 0068: LCDEXT: idx1 = 0xf00031a4; ; */ +.long 0x8301031c /* 006C: LCD: idx2 = var6, idx3 = var2; idx2 > var12; idx2 += inc3, idx3 += inc4 */ +.long 0x008ac798 /* 0070: DRD1A: *idx1 = *idx3; FN=0 init=4 WS=1 RS=1 */ +.long 0x8000d1a4 /* 0074: LCDEXT: idx1 = 0xf00031a4; ; */ +.long 0xc1430000 /* 0078: LCDEXT: idx2 = var2 + var6; idx2 once var0; idx2 += inc0 */ +.long 0x82998312 /* 007C: LCD: idx3 = var5; idx3 > var12; idx3 += inc2 */ +.long 0x088ac790 /* 0080: DRD1A: *idx1 = *idx2; FN=0 TFD init=4 WS=1 RS=1 */ +.long 0x81988000 /* 0084: LCD: idx1 = var3; idx1 once var0; idx1 += inc0 */ +.long 0x60000001 /* 0088: DRD2A: EU0=0 EU1=0 EU2=0 EU3=1 EXT init=0 WS=0 RS=0 */ +.long 0x0c4cfc4d /* 008C: DRD2B1: *idx1 = EU3(); EU3(*idx1,var13) */ +.long 0xc21883ad /* 0090: LCDEXT: idx1 = var4; idx1 == var14; idx1 += inc5 */ +.long 0x80190000 /* 0094: LCD: idx2 = var0; idx2 once var0; idx2 += inc0 */ +.long 0x04008460 /* 0098: DRD1A: idx1 = var12; FN=0 INT init=0 WS=0 RS=0 */ +.long 0xc4052305 /* 009C: LCDEXT: idx1 = var8, idx2 = var10; idx2 == var12; idx1 += inc0, idx2 += inc5 */ +.long 0x81c98000 /* 00A0: LCD: idx3 = var3 + var19; idx3 once var0; idx3 += inc0 */ +.long 0x1000c718 /* 00A4: DRD1A: *idx1 = idx3; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x00000f18 /* 00A8: DRD1A: var3 = idx3; FN=0 init=0 WS=0 RS=0 */ +.long 0xc4188000 /* 00AC: LCDEXT: idx1 = var8; idx1 once var0; idx1 += inc0 */ +.long 0x85190312 /* 00B0: LCD: idx2 = var10; idx2 > var12; idx2 += inc2 */ +.long 0x10000c00 /* 00B4: DRD1A: var3 = var0; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x1000c400 /* 00B8: DRD1A: *idx1 = var0; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x00008860 /* 00BC: DRD1A: idx2 = var12; FN=0 init=0 WS=0 RS=0 */ +.long 0x81988000 /* 00C0: LCD: idx1 = var3; idx1 once var0; idx1 += inc0 */ +.long 0x10000788 /* 00C4: DRD1A: var1 = *idx1; FN=0 MORE init=0 WS=0 RS=0 */ +.long 0x60000000 /* 00C8: DRD2A: EU0=0 EU1=0 EU2=0 EU3=0 EXT init=0 WS=0 RS=0 */ +.long 0x080cf04d /* 00CC: DRD2B1: idx0 = EU3(); EU3(var1,var13) */ +.long 0x000001f8 /* 00D0(:0): NOP */ + +.align 8 + +.globl scEthernetRecv_VarTab +scEthernetRecv_VarTab: /* Task 0 Variable Table */ +.long 0x00000000 /* var[0] */ +.long 0x00000000 /* var[1] */ +.long 0x00000000 /* var[2] */ +.long 0x00000000 /* var[3] */ +.long 0x00000000 /* var[4] */ +.long 0x00000000 /* var[5] */ +.long 0x00000000 /* var[6] */ +.long 0x00000000 /* var[7] */ +.long 0x00000000 /* var[8] */ +.long 0xf0008800 /* var[9] */ +.long 0x00000008 /* var[10] */ +.long 0x0000000c /* var[11] */ +.long 0x80000000 /* var[12] */ +.long 0x00000000 /* var[13] */ +.long 0x10000000 /* var[14] */ +.long 0x20000000 /* var[15] */ +.long 0x000005e4 /* var[16] */ +.long 0x0000000e /* var[17] */ +.long 0x000005e0 /* var[18] */ +.long 0x00000004 /* var[19] */ +.long 0x00000000 /* var[20] */ +.long 0x00000000 /* var[21] */ +.long 0x00000000 /* var[22] */ +.long 0x00000000 /* var[23] */ +.long 0x00000000 /* inc[0] */ +.long 0x60000000 /* inc[1] */ +.long 0x20000001 /* inc[2] */ +.long 0x80000000 /* inc[3] */ +.long 0x40000000 /* inc[4] */ +.long 0x00000000 /* inc[5] */ +.long 0x00000000 /* inc[6] */ +.long 0x00000000 /* inc[7] */ + +.align 8 + +.globl scEthernetXmit_VarTab +scEthernetXmit_VarTab: /* Task 1 Variable Table */ +.long 0x00000000 /* var[0] */ +.long 0x00000000 /* var[1] */ +.long 0x00000000 /* var[2] */ +.long 0x00000000 /* var[3] */ +.long 0x00000000 /* var[4] */ +.long 0x00000000 /* var[5] */ +.long 0x00000000 /* var[6] */ +.long 0x00000000 /* var[7] */ +.long 0x00000000 /* var[8] */ +.long 0x00000000 /* var[9] */ +.long 0x00000000 /* var[10] */ +.long 0xf0008800 /* var[11] */ +.long 0x00000000 /* var[12] */ +.long 0x80000000 /* var[13] */ +.long 0x10000000 /* var[14] */ +.long 0x08000000 /* var[15] */ +.long 0x20000000 /* var[16] */ +.long 0x0000ffff /* var[17] */ +.long 0xffffffff /* var[18] */ +.long 0x00000008 /* var[19] */ +.long 0x00000000 /* var[20] */ +.long 0x00000000 /* var[21] */ +.long 0x00000000 /* var[22] */ +.long 0x00000000 /* var[23] */ +.long 0x00000000 /* inc[0] */ +.long 0x60000000 /* inc[1] */ +.long 0x40000000 /* inc[2] */ +.long 0x4000ffff /* inc[3] */ +.long 0xe0000001 /* inc[4] */ +.long 0x80000000 /* inc[5] */ +.long 0x00000000 /* inc[6] */ +.long 0x00000000 /* inc[7] */ + +.align 8 + +.globl scEthernetRecv_FDT +scEthernetRecv_FDT: /* Task 0 Function Descriptor Table */ +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x21800000 /* and(), EU# 3 */ +.long 0x21400000 /* andn(), EU# 3 */ +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 + +.align 8 + +.globl scEthernetXmit_FDT +scEthernetXmit_FDT: /* Task 1 Function Descriptor Table */ +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x21800000 /* and(), EU# 3 */ +.long 0x21400000 /* andn(), EU# 3 */ +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 +.long 0x00000000 + + +.globl scEthernetRecv_CSave +scEthernetRecv_CSave: /* Task 0 context save space */ +.space 128, 0x0 + + +.globl scEthernetXmit_CSave +scEthernetXmit_CSave: /* Task 1 context save space */ +.space 128, 0x0 + +#endif /* CONFIG_MPC5200 */ diff --git a/cpu/mpc5xxx/interrupts.c b/cpu/mpc5xxx/interrupts.c new file mode 100644 index 0000000..5aa4388 --- /dev/null +++ b/cpu/mpc5xxx/interrupts.c @@ -0,0 +1,180 @@ +/* + * (C) Copyright -2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2001 + * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc. + * + * 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 + */ + +/* + * interrupts.c - just enough support for the decrementer/timer + */ + +#include <common.h> +#include <asm/processor.h> +#include <command.h> + +/****************************************************************************/ + +unsigned decrementer_count; /* count value for 1e6/HZ microseconds */ + +/****************************************************************************/ + +static __inline__ unsigned long +get_msr(void) +{ + unsigned long msr; + + asm volatile("mfmsr %0" : "=r" (msr) :); + return msr; +} + +static __inline__ void +set_msr(unsigned long msr) +{ + asm volatile("mtmsr %0" : : "r" (msr)); +} + +static __inline__ unsigned long +get_dec(void) +{ + unsigned long val; + + asm volatile("mfdec %0" : "=r" (val) :); + return val; +} + + +static __inline__ void +set_dec(unsigned long val) +{ + asm volatile("mtdec %0" : : "r" (val)); +} + + +void +enable_interrupts(void) +{ + set_msr (get_msr() | MSR_EE); +} + +/* returns flag if MSR_EE was set before */ +int +disable_interrupts(void) +{ + ulong msr = get_msr(); + set_msr (msr & ~MSR_EE); + return ((msr & MSR_EE) != 0); +} + +/****************************************************************************/ + +int interrupt_init(void) +{ + decrementer_count = get_tbclk() / CFG_HZ; + +#ifdef DEBUG + puts("interrupt_init: setting actual decremter\n"); +#endif + set_dec (get_tbclk() / CFG_HZ); + +#ifdef DEBUG + printf("interrupt_init: enabling interrupts (msr = %08lx)\n", + get_msr()); +#endif + set_msr (get_msr() | MSR_EE); + +#ifdef DEBUG + printf("interrupt_init: done. (msr = %08lx)\n", get_msr()); +#endif + return (0); +} + +/****************************************************************************/ + +/* + * Handle external interrupts + */ +void +external_interrupt(struct pt_regs *regs) +{ + puts("external_interrupt (oops!)\n"); +} + +volatile ulong timestamp = 0; + +/* + * timer_interrupt - gets called when the decrementer overflows, + * with interrupts disabled. + * Trivial implementation - no need to be really accurate. + */ +void +timer_interrupt(struct pt_regs *regs) +{ + set_dec(decrementer_count); + timestamp++; +} + +/****************************************************************************/ + +void +reset_timer(void) +{ + timestamp = 0; +} + +ulong +get_timer(ulong base) +{ + return (timestamp - base); +} + +void +set_timer(ulong t) +{ + timestamp = t; +} + +/****************************************************************************/ + +/* + * Install and free a interrupt handler. + */ + +void +irq_install_handler(int vec, interrupt_handler_t *handler, void *arg) +{ + +} + +void +irq_free_handler(int vec) +{ + +} + +/****************************************************************************/ + +void +do_irqinfo(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) +{ + puts("IRQ related functions are unimplemented currently.\n"); +} diff --git a/cpu/mpc5xxx/io.S b/cpu/mpc5xxx/io.S new file mode 100644 index 0000000..2178a26 --- /dev/null +++ b/cpu/mpc5xxx/io.S @@ -0,0 +1,128 @@ +/* + * Copyright (C) 1998 Dan Malek <dmalek@jlc.net> + * Copyright (C) 1999 Magnus Damm <kieraypc01.p.y.kie.era.ericsson.se> + * Copyright (C) 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Andreas Heppel <aheppel@sysgo.de> + * Copyright (C) 2003 Wolfgang Denk <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 <config.h> +#include <ppc_asm.tmpl> + +/* ------------------------------------------------------------------------------- */ +/* Function: in8 */ +/* Description: Input 8 bits */ +/* ------------------------------------------------------------------------------- */ + .globl in8 +in8: + lbz r3,0(r3) + sync + blr + +/* ------------------------------------------------------------------------------- */ +/* Function: in16 */ +/* Description: Input 16 bits */ +/* ------------------------------------------------------------------------------- */ + .globl in16 +in16: + lhz r3,0(r3) + sync + blr + +/* ------------------------------------------------------------------------------- */ +/* Function: in16r */ +/* Description: Input 16 bits and byte reverse */ +/* ------------------------------------------------------------------------------- */ + .globl in16r +in16r: + lhbrx r3,0,r3 + sync + blr + +/* ------------------------------------------------------------------------------- */ +/* Function: in32 */ +/* Description: Input 32 bits */ +/* ------------------------------------------------------------------------------- */ + .globl in32 +in32: + lwz 3,0(3) + sync + blr + +/* ------------------------------------------------------------------------------- */ +/* Function: in32r */ +/* Description: Input 32 bits and byte reverse */ +/* ------------------------------------------------------------------------------- */ + .globl in32r +in32r: + lwbrx r3,0,r3 + sync + blr + +/* ------------------------------------------------------------------------------- */ +/* Function: out8 */ +/* Description: Output 8 bits */ +/* ------------------------------------------------------------------------------- */ + .globl out8 +out8: + stb r4,0(r3) + sync + blr + +/* ------------------------------------------------------------------------------- */ +/* Function: out16 */ +/* Description: Output 16 bits */ +/* ------------------------------------------------------------------------------- */ + .globl out16 +out16: + sth r4,0(r3) + sync + blr + +/* ------------------------------------------------------------------------------- */ +/* Function: out16r */ +/* Description: Byte reverse and output 16 bits */ +/* ------------------------------------------------------------------------------- */ + .globl out16r +out16r: + sthbrx r4,0,r3 + sync + blr + +/* ------------------------------------------------------------------------------- */ +/* Function: out32 */ +/* Description: Output 32 bits */ +/* ------------------------------------------------------------------------------- */ + .globl out32 +out32: + stw r4,0(r3) + sync + blr + +/* ------------------------------------------------------------------------------- */ +/* Function: out32r */ +/* Description: Byte reverse and output 32 bits */ +/* ------------------------------------------------------------------------------- */ + .globl out32r +out32r: + stwbrx r4,0,r3 + sync + blr diff --git a/cpu/mpc5xxx/loadtask.c b/cpu/mpc5xxx/loadtask.c new file mode 100644 index 0000000..47e7b59 --- /dev/null +++ b/cpu/mpc5xxx/loadtask.c @@ -0,0 +1,76 @@ +/* + * (C) Copyright 2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * This file is based on code + * (C) Copyright Motorola, Inc., 2000 + */ + +#include <common.h> +#include <mpc5xxx.h> + +/* BestComm/SmartComm microcode */ +extern int taskTable; + +void loadtask(int basetask, int tasks) +{ + int *sram = (int *)MPC5XXX_SRAM; + int *task_org = &taskTable; + unsigned int start, offset, end; + int i; + +#ifdef DEBUG + printf("basetask = %d, tasks = %d\n", basetask, tasks); + printf("task_org = 0x%08x\n", (unsigned int)task_org); +#endif + + /* setup TaskBAR register */ + *(vu_long *)MPC5XXX_SDMA = MPC5XXX_SRAM; + + /* relocate task table entries */ + offset = (unsigned int)sram; + for (i = basetask; i < basetask + tasks; i++) { + sram[i * 8 + 0] = task_org[i * 8 + 0] + offset; + sram[i * 8 + 1] = task_org[i * 8 + 1] + offset; + sram[i * 8 + 2] = task_org[i * 8 + 2] + offset; + sram[i * 8 + 3] = task_org[i * 8 + 3] + offset; + sram[i * 8 + 4] = task_org[i * 8 + 4]; + sram[i * 8 + 5] = task_org[i * 8 + 5]; + sram[i * 8 + 6] = task_org[i * 8 + 6] + offset; + sram[i * 8 + 7] = task_org[i * 8 + 7]; + } + + /* relocate task descriptors */ + start = (sram[basetask * 8] - (unsigned int)sram); + end = (sram[(basetask + tasks - 1) * 8 + 1] - (unsigned int)sram); + +#ifdef DEBUG + printf ("TDT start = 0x%08x, end = 0x%08x\n", start, end); +#endif + + start /= 4; + end /= 4; + for (i = start; i <= end; i++) { + sram[i] = task_org[i]; + } + + /* relocate variables */ + start = (sram[basetask * 8 + 2] - (unsigned int)sram); + end = (sram[(basetask + tasks - 1) * 8 + 2] + 256 - (unsigned int)sram); + start /= 4; + end /= 4; + for (i = start; i < end; i++) { + sram[i] = task_org[i]; + } + + /* relocate function decriptors */ + start = ((sram[basetask * 8 + 3] & 0xfffffffc) - (unsigned int)sram); + end = ((sram[(basetask + tasks - 1) * 8 + 3] & 0xfffffffc) + 256 - (unsigned int)sram); + start /= 4; + end /= 4; + for (i = start; i < end; i++) { + sram[i] = task_org[i]; + } + + asm volatile ("sync"); +} diff --git a/cpu/mpc5xxx/sdma.h b/cpu/mpc5xxx/sdma.h new file mode 100644 index 0000000..8b740e4 --- /dev/null +++ b/cpu/mpc5xxx/sdma.h @@ -0,0 +1,93 @@ +/* + * (C) Copyright 2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * This file is based on code + * (C) Copyright Motorola, Inc., 2000 + * + * odin smartdma header file + */ + +#ifndef __MPC5XXX_SDMA_H +#define __MPC5XXX_SDMA_H + +#include <common.h> +#include <mpc5xxx.h> + +/* Task number assignment */ +#define FEC_RECV_TASK_NO 0 +#define FEC_XMIT_TASK_NO 1 + +/*---------------------------------------------------------------------*/ + +/* Stuff for Ethernet Tx/Rx tasks */ + +/*---------------------------------------------------------------------*/ + +/* Layout of Ethernet controller Parameter SRAM area: +---------------------------------------------------------------- +0x00: TBD_BASE, base address of TX BD ring +0x04: TBD_NEXT, address of next TX BD to be processed +0x08: RBD_BASE, base address of RX BD ring +0x0C: RBD_NEXT, address of next RX BD to be processed +--------------------------------------------------------------- +ALL PARAMETERS ARE ALL LONGWORDS (FOUR BYTES EACH). +*/ + +/* base address of SRAM area to store parameters used by Ethernet tasks */ +#define FEC_PARAM_BASE (MPC5XXX_SRAM + 0x0800) + +/* base address of SRAM area for buffer descriptors */ +#define FEC_BD_BASE (MPC5XXX_SRAM + 0x0820) + +/*---------------------------------------------------------------------*/ + +/* common shortcuts used by driver C code */ + +/*---------------------------------------------------------------------*/ + +/* Disable SmartDMA task */ +#define SDMA_TASK_DISABLE(tasknum) \ +{ \ + volatile ushort *tcr = (ushort *)(MPC5XXX_SDMA + 0x0000001c + 2 * tasknum); \ + *tcr = (*tcr) & (~0x8000); \ +} + +/* Enable SmartDMA task */ +#define SDMA_TASK_ENABLE(tasknum) \ +{ \ + volatile ushort *tcr = (ushort *) (MPC5XXX_SDMA + 0x0000001c + 2 * tasknum); \ + *tcr = (*tcr) | 0x8000; \ +} + +/* Enable interrupt */ +#define SDMA_INT_ENABLE(tasknum) \ +{ \ + struct mpc5xxx_sdma *sdma = (struct mpc5xxx_sdma *)MPC5XXX_SDMA; \ + sdma->IntMask &= ~(1 << tasknum); \ +} + +/* Disable interrupt */ +#define SDMA_INT_DISABLE(tasknum) \ +{ \ + struct mpc5xxx_sdma *sdma = (struct mpc5xxx_sdma *)MPC5XXX_SDMA; \ + sdma->IntMask |= (1 << tasknum); \ +} + + +/* Clear interrupt pending bits */ +#define SDMA_CLEAR_IEVENT(tasknum) \ +{ \ + struct mpc5xxx_sdma *sdma = (struct mpc5xxx_sdma *)MPC5XXX_SDMA; \ + sdma->IntPend = (1 << tasknum); \ +} + +/* get interupt pending bit of a task */ +#define SDMA_GET_PENDINGBIT(tasknum) \ + ((*(vu_long *)(MPC5XXX_SDMA + 0x14)) & (1<<(tasknum))) + +/* get interupt mask bit of a task */ +#define SDMA_GET_MASKBIT(tasknum) \ + ((*(vu_long *)(MPC5XXX_SDMA + 0x18)) & (1<<(tasknum))) + +#endif /* __MPC5XXX_SDMA_H */ diff --git a/cpu/mpc5xxx/serial.c b/cpu/mpc5xxx/serial.c new file mode 100644 index 0000000..54ecf5b --- /dev/null +++ b/cpu/mpc5xxx/serial.c @@ -0,0 +1,165 @@ +/* + * (C) Copyright 2000 - 2003 + * 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 + * + * Hacked for MPC8260 by Murray.Jensen@cmst.csiro.au, 19-Oct-00, with + * changes based on the file arch/ppc/mbxboot/m8260_tty.c from the + * Linux/PPC sources (m8260_tty.c had no copyright info in it). + */ + +/* + * Minimal serial functions needed to use one of the PSC ports + * as serial console interface. + */ + +#include <common.h> +#include <mpc5xxx.h> + +#if defined(CONFIG_PSC_CONSOLE) + +#if CONFIG_PSC_CONSOLE == 1 +#define PSC_BASE MPC5XXX_PSC1 +#elif CONFIG_PSC_CONSOLE == 2 +#define PSC_BASE MPC5XXX_PSC2 +#elif CONFIG_PSC_CONSOLE == 3 +#define PSC_BASE MPC5XXX_PSC3 +#elif defined(CONFIG_MGT5100) +#error CONFIG_PSC_CONSOLE must be in 1, 2 or 3 +#elif CONFIG_PSC_CONSOLE == 4 +#define PSC_BASE MPC5XXX_PSC4 +#elif CONFIG_PSC_CONSOLE == 5 +#define PSC_BASE MPC5XXX_PSC5 +#elif CONFIG_PSC_CONSOLE == 6 +#define PSC_BASE MPC5XXX_PSC6 +#else +#error CONFIG_PSC_CONSOLE must be in 1 ... 6 +#endif + +int serial_init (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE; + unsigned long baseclk; + int div; + + /* reset PSC */ + psc->command = PSC_SEL_MODE_REG_1; + + /* select clock sources */ +#if defined(CONFIG_MGT5100) + psc->psc_clock_select = 0xdd00; + baseclk = CFG_MPC5XXX_CLKIN / 32; +#elif defined(CONFIG_MPC5200) + psc->psc_clock_select = 0; + baseclk = gd->ipb_clk / 32; +#endif + + /* switch to UART mode */ + psc->sicr = 0; + + /* configure parity, bit length and so on */ +#if defined(CONFIG_MGT5100) + psc->mode = PSC_MODE_ERR | PSC_MODE_8_BITS | PSC_MODE_PARNONE; +#elif defined(CONFIG_MPC5200) + psc->mode = PSC_MODE_8_BITS | PSC_MODE_PARNONE; +#endif + psc->mode = PSC_MODE_ONE_STOP; + + /* set up UART divisor */ + div = baseclk / gd->baudrate; + psc->ctur = div >> 8; + psc->ctlr = div & 0xff; + + /* disable all interrupts */ + psc->psc_imr = 0; + + /* reset and enable Rx/Tx */ + psc->command = PSC_RST_RX; + psc->command = PSC_RST_TX; + psc->command = PSC_RX_ENABLE | PSC_TX_ENABLE; + + return (0); +} + +void +serial_putc(const char c) +{ + volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE; + + if (c == '\n') + serial_putc('\r'); + + /* Wait for last character to go. */ + while (!(psc->psc_status & PSC_SR_TXEMP)) + ; + + psc->psc_buffer_8 = c; +} + +void +serial_puts (const char *s) +{ + while (*s) { + serial_putc (*s++); + } +} + +int +serial_getc(void) +{ + volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE; + + /* Wait for a character to arrive. */ + while (!(psc->psc_status & PSC_SR_RXRDY)) + ; + + return psc->psc_buffer_8; +} + +int +serial_tstc(void) +{ + volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE; + + return (psc->psc_status & PSC_SR_RXRDY); +} + +void +serial_setbrg(void) +{ + DECLARE_GLOBAL_DATA_PTR; + + volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE; + unsigned long baseclk, div; + +#if defined(CONFIG_MGT5100) + baseclk = CFG_MPC5XXX_CLKIN / 32; +#elif defined(CONFIG_MPC5200) + baseclk = gd->ipb_clk / 32; +#endif + + /* set up UART divisor */ + div = baseclk / gd->baudrate; + psc->ctur = div >> 8; + psc->ctlr = div & 0xff; +} +#endif /* CONFIG_PSC_CONSOLE */ diff --git a/cpu/mpc5xxx/speed.c b/cpu/mpc5xxx/speed.c new file mode 100644 index 0000000..cb27779 --- /dev/null +++ b/cpu/mpc5xxx/speed.c @@ -0,0 +1,93 @@ +/* + * (C) Copyright 2000-2002 + * 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 <mpc5xxx.h> +#include <asm/processor.h> + +/* ------------------------------------------------------------------------- */ + +/* Bus-to-Core Multipliers */ + +static int bus2core[] = { + 0, 0, 0, 10, 20, 20, 25, 45, + 30, 55, 40, 50, 0, 60, 35, 0, + 30, 25, 65, 10, 70, 20, 75, 45, + 0, 55, 40, 50, 80, 60, 35, 0 +}; +/* ------------------------------------------------------------------------- */ + +/* + * + */ + +int get_clocks (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + ulong val, vco; + +#if !defined(CFG_MPC5XXX_CLKIN) +#error clock measuring not implemented yet - define CFG_MPC5XXX_CLKIN +#endif + + val = *(vu_long *)MPC5XXX_CDM_PORCFG; + if (val & (1 << 6)) { + vco = CFG_MPC5XXX_CLKIN * 12; + } else { + vco = CFG_MPC5XXX_CLKIN * 16; + } + if (val & (1 << 5)) { + gd->bus_clk = vco / 8; + } else { + gd->bus_clk = vco / 4; + } + gd->cpu_clk = gd->bus_clk * bus2core[val & 0x1f] / 10; + + val = *(vu_long *)MPC5XXX_CDM_CFG; + if (val & (1 << 8)) { + gd->ipb_clk = gd->bus_clk / 2; + } else { + gd->ipb_clk = gd->bus_clk; + } + switch (val & 3) { + case 0: gd->pci_clk = gd->ipb_clk; break; + case 1: gd->pci_clk = gd->ipb_clk / 2; break; + default: gd->pci_clk = gd->bus_clk / 4; break; + } + + return (0); +} + +int prt_mpc5xxx_clks (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + printf(" Bus %ld MHz, IPB %ld MHz, PCI %ld MHz\n", + gd->bus_clk / 1000000, gd->ipb_clk / 1000000, + gd->pci_clk / 1000000); + + return (0); +} + +/* ------------------------------------------------------------------------- */ diff --git a/cpu/mpc5xxx/start.S b/cpu/mpc5xxx/start.S new file mode 100644 index 0000000..4145442 --- /dev/null +++ b/cpu/mpc5xxx/start.S @@ -0,0 +1,817 @@ +/* + * Copyright (C) 1998 Dan Malek <dmalek@jlc.net> + * Copyright (C) 1999 Magnus Damm <kieraypc01.p.y.kie.era.ericsson.se> + * Copyright (C) 2000 - 2003 Wolfgang Denk <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 + */ + +/* + * U-Boot - Startup Code for MPC5xxx CPUs + */ +#include <config.h> +#include <mpc5xxx.h> +#include <version.h> + +#define CONFIG_MPC5XXX 1 /* needed for Linux kernel header files */ +#define _LINUX_CONFIG_H 1 /* avoid reading Linux autoconf.h file */ + +#include <ppc_asm.tmpl> +#include <ppc_defs.h> + +#include <asm/cache.h> +#include <asm/mmu.h> + +#ifndef CONFIG_IDENT_STRING +#define CONFIG_IDENT_STRING "" +#endif + +/* We don't want the MMU yet. +*/ +#undef MSR_KERNEL +/* Floating Point enable, Machine Check and Recoverable Interr. */ +#ifdef DEBUG +#define MSR_KERNEL (MSR_FP|MSR_RI) +#else +#define MSR_KERNEL (MSR_FP|MSR_ME|MSR_RI) +#endif + +/* + * Set up GOT: Global Offset Table + * + * Use r14 to access the GOT + */ + START_GOT + GOT_ENTRY(_GOT2_TABLE_) + GOT_ENTRY(_FIXUP_TABLE_) + + GOT_ENTRY(_start) + GOT_ENTRY(_start_of_vectors) + GOT_ENTRY(_end_of_vectors) + GOT_ENTRY(transfer_to_handler) + + GOT_ENTRY(__init_end) + GOT_ENTRY(_end) + GOT_ENTRY(__bss_start) + END_GOT + +/* + * Version string + */ + .data + .globl version_string +version_string: + .ascii U_BOOT_VERSION + .ascii " (", __DATE__, " - ", __TIME__, ")" + .ascii CONFIG_IDENT_STRING, "\0" + +/* + * Exception vectors + */ + .text + . = EXC_OFF_SYS_RESET + .globl _start +_start: + li r21, BOOTFLAG_COLD /* Normal Power-On */ + nop + b boot_cold + + . = EXC_OFF_SYS_RESET + 0x10 + + .globl _start_warm +_start_warm: + li r21, BOOTFLAG_WARM /* Software reboot */ + b boot_warm + +boot_cold: +boot_warm: + mfmsr r5 /* save msr contents */ + +#if defined(CFG_DEFAULT_MBAR) + lis r3, CFG_MBAR@h + ori r3, r3, CFG_MBAR@l +#if defined(CONFIG_MPC5200) + rlwinm r3, r3, 16, 16, 31 +#endif +#if defined(CONFIG_MGT5100) + rlwinm r3, r3, 17, 15, 31 +#endif + lis r4, CFG_DEFAULT_MBAR@h + stw r3, 0(r4) +#endif /* CFG_DEFAULT_MBAR */ + + /* Initialise the MPC5xxx processor core */ + /*--------------------------------------------------------------*/ + + bl init_5xxx_core + + /* initialize some things that are hard to access from C */ + /*--------------------------------------------------------------*/ + + /* set up stack in on-chip SRAM */ + lis r3, CFG_INIT_RAM_ADDR@h + ori r3, r3, CFG_INIT_RAM_ADDR@l + ori r1, r3, CFG_INIT_SP_OFFSET + li r0, 0 /* Make room for stack frame header and */ + stwu r0, -4(r1) /* clear final stack frame so that */ + stwu r0, -4(r1) /* stack backtraces terminate cleanly */ + + /* let the C-code set up the rest */ + /* */ + /* Be careful to keep code relocatable ! */ + /*--------------------------------------------------------------*/ + + GET_GOT /* initialize GOT access */ + + /* r3: IMMR */ + bl cpu_init_f /* run low-level CPU init code (in Flash)*/ + + mr r3, r21 + /* r3: BOOTFLAG */ + bl board_init_f /* run 1st part of board init code (in Flash)*/ + +/* + * Vector Table + */ + + .globl _start_of_vectors +_start_of_vectors: + +/* Machine check */ + STD_EXCEPTION(0x200, MachineCheck, MachineCheckException) + +/* Data Storage exception. */ + STD_EXCEPTION(0x300, DataStorage, UnknownException) + +/* Instruction Storage exception. */ + STD_EXCEPTION(0x400, InstStorage, UnknownException) + +/* External Interrupt exception. */ + STD_EXCEPTION(0x500, ExtInterrupt, external_interrupt) + +/* Alignment exception. */ + . = 0x600 +Alignment: + EXCEPTION_PROLOG + mfspr r4,DAR + stw r4,_DAR(r21) + mfspr r5,DSISR + stw r5,_DSISR(r21) + addi r3,r1,STACK_FRAME_OVERHEAD + li r20,MSR_KERNEL + rlwimi r20,r23,0,16,16 /* copy EE bit from saved MSR */ + rlwimi r20,r23,0,25,25 /* copy IP bit from saved MSR */ + lwz r6,GOT(transfer_to_handler) + mtlr r6 + blrl +.L_Alignment: + .long AlignmentException - _start + EXC_OFF_SYS_RESET + .long int_return - _start + EXC_OFF_SYS_RESET + +/* Program check exception */ + . = 0x700 +ProgramCheck: + EXCEPTION_PROLOG + addi r3,r1,STACK_FRAME_OVERHEAD + li r20,MSR_KERNEL + rlwimi r20,r23,0,16,16 /* copy EE bit from saved MSR */ + rlwimi r20,r23,0,25,25 /* copy IP bit from saved MSR */ + lwz r6,GOT(transfer_to_handler) + mtlr r6 + blrl +.L_ProgramCheck: + .long ProgramCheckException - _start + EXC_OFF_SYS_RESET + .long int_return - _start + EXC_OFF_SYS_RESET + + STD_EXCEPTION(0x800, FPUnavailable, UnknownException) + + /* I guess we could implement decrementer, and may have + * to someday for timekeeping. + */ + STD_EXCEPTION(0x900, Decrementer, timer_interrupt) + + STD_EXCEPTION(0xa00, Trap_0a, UnknownException) + STD_EXCEPTION(0xb00, Trap_0b, UnknownException) + + . = 0xc00 +/* + * r0 - SYSCALL number + * r3-... arguments + */ +SystemCall: + addis r11,r0,0 /* get functions table addr */ + ori r11,r11,0 /* Note: this code is patched in trap_init */ + addis r12,r0,0 /* get number of functions */ + ori r12,r12,0 + + cmplw 0, r0, r12 + bge 1f + + rlwinm r0,r0,2,0,31 /* fn_addr = fn_tbl[r0] */ + add r11,r11,r0 + lwz r11,0(r11) + + li r20,0xd00-4 /* Get stack pointer */ + lwz r12,0(r20) + subi r12,r12,12 /* Adjust stack pointer */ + li r0,0xc00+_end_back-SystemCall + cmplw 0, r0, r12 /* Check stack overflow */ + bgt 1f + stw r12,0(r20) + + mflr r0 + stw r0,0(r12) + mfspr r0,SRR0 + stw r0,4(r12) + mfspr r0,SRR1 + stw r0,8(r12) + + li r12,0xc00+_back-SystemCall + mtlr r12 + mtspr SRR0,r11 + +1: SYNC + rfi + +_back: + + mfmsr r11 /* Disable interrupts */ + li r12,0 + ori r12,r12,MSR_EE + andc r11,r11,r12 + SYNC /* Some chip revs need this... */ + mtmsr r11 + SYNC + + li r12,0xd00-4 /* restore regs */ + lwz r12,0(r12) + + lwz r11,0(r12) + mtlr r11 + lwz r11,4(r12) + mtspr SRR0,r11 + lwz r11,8(r12) + mtspr SRR1,r11 + + addi r12,r12,12 /* Adjust stack pointer */ + li r20,0xd00-4 + stw r12,0(r20) + + SYNC + rfi +_end_back: + + STD_EXCEPTION(0xd00, SingleStep, UnknownException) + + STD_EXCEPTION(0xe00, Trap_0e, UnknownException) + STD_EXCEPTION(0xf00, Trap_0f, UnknownException) + + STD_EXCEPTION(0x1000, InstructionTLBMiss, UnknownException) + STD_EXCEPTION(0x1100, DataLoadTLBMiss, UnknownException) + STD_EXCEPTION(0x1200, DataStoreTLBMiss, UnknownException) +#ifdef DEBUG + . = 0x1300 + /* + * This exception occurs when the program counter matches the + * Instruction Address Breakpoint Register (IABR). + * + * I want the cpu to halt if this occurs so I can hunt around + * with the debugger and look at things. + * + * When DEBUG is defined, both machine check enable (in the MSR) + * and checkstop reset enable (in the reset mode register) are + * turned off and so a checkstop condition will result in the cpu + * halting. + * + * I force the cpu into a checkstop condition by putting an illegal + * instruction here (at least this is the theory). + * + * well - that didnt work, so just do an infinite loop! + */ +1: b 1b +#else + STD_EXCEPTION(0x1300, InstructionBreakpoint, DebugException) +#endif + STD_EXCEPTION(0x1400, SMI, UnknownException) + + STD_EXCEPTION(0x1500, Trap_15, UnknownException) + STD_EXCEPTION(0x1600, Trap_16, UnknownException) + STD_EXCEPTION(0x1700, Trap_17, UnknownException) + STD_EXCEPTION(0x1800, Trap_18, UnknownException) + STD_EXCEPTION(0x1900, Trap_19, UnknownException) + STD_EXCEPTION(0x1a00, Trap_1a, UnknownException) + STD_EXCEPTION(0x1b00, Trap_1b, UnknownException) + STD_EXCEPTION(0x1c00, Trap_1c, UnknownException) + STD_EXCEPTION(0x1d00, Trap_1d, UnknownException) + STD_EXCEPTION(0x1e00, Trap_1e, UnknownException) + STD_EXCEPTION(0x1f00, Trap_1f, UnknownException) + STD_EXCEPTION(0x2000, Trap_20, UnknownException) + STD_EXCEPTION(0x2100, Trap_21, UnknownException) + STD_EXCEPTION(0x2200, Trap_22, UnknownException) + STD_EXCEPTION(0x2300, Trap_23, UnknownException) + STD_EXCEPTION(0x2400, Trap_24, UnknownException) + STD_EXCEPTION(0x2500, Trap_25, UnknownException) + STD_EXCEPTION(0x2600, Trap_26, UnknownException) + STD_EXCEPTION(0x2700, Trap_27, UnknownException) + STD_EXCEPTION(0x2800, Trap_28, UnknownException) + STD_EXCEPTION(0x2900, Trap_29, UnknownException) + STD_EXCEPTION(0x2a00, Trap_2a, UnknownException) + STD_EXCEPTION(0x2b00, Trap_2b, UnknownException) + STD_EXCEPTION(0x2c00, Trap_2c, UnknownException) + STD_EXCEPTION(0x2d00, Trap_2d, UnknownException) + STD_EXCEPTION(0x2e00, Trap_2e, UnknownException) + STD_EXCEPTION(0x2f00, Trap_2f, UnknownException) + + + .globl _end_of_vectors +_end_of_vectors: + + . = 0x3000 + +/* + * This code finishes saving the registers to the exception frame + * and jumps to the appropriate handler for the exception. + * Register r21 is pointer into trap frame, r1 has new stack pointer. + */ + .globl transfer_to_handler +transfer_to_handler: + stw r22,_NIP(r21) + lis r22,MSR_POW@h + andc r23,r23,r22 + stw r23,_MSR(r21) + SAVE_GPR(7, r21) + SAVE_4GPRS(8, r21) + SAVE_8GPRS(12, r21) + SAVE_8GPRS(24, r21) + mflr r23 + andi. r24,r23,0x3f00 /* get vector offset */ + stw r24,TRAP(r21) + li r22,0 + stw r22,RESULT(r21) + lwz r24,0(r23) /* virtual address of handler */ + lwz r23,4(r23) /* where to go when done */ + mtspr SRR0,r24 + mtspr SRR1,r20 + mtlr r23 + SYNC + rfi /* jump to handler, enable MMU */ + +int_return: + mfmsr r28 /* Disable interrupts */ + li r4,0 + ori r4,r4,MSR_EE + andc r28,r28,r4 + SYNC /* Some chip revs need this... */ + mtmsr r28 + SYNC + lwz r2,_CTR(r1) + lwz r0,_LINK(r1) + mtctr r2 + mtlr r0 + lwz r2,_XER(r1) + lwz r0,_CCR(r1) + mtspr XER,r2 + mtcrf 0xFF,r0 + REST_10GPRS(3, r1) + REST_10GPRS(13, r1) + REST_8GPRS(23, r1) + REST_GPR(31, r1) + lwz r2,_NIP(r1) /* Restore environment */ + lwz r0,_MSR(r1) + mtspr SRR0,r2 + mtspr SRR1,r0 + lwz r0,GPR0(r1) + lwz r2,GPR2(r1) + lwz r1,GPR1(r1) + SYNC + rfi + +/* + * This code initialises the MPC5xxx processor core + * (conforms to PowerPC 603e spec) + * Note: expects original MSR contents to be in r5. + */ + + .globl init_5xx_core +init_5xxx_core: + + /* Initialize machine status; enable machine check interrupt */ + /*--------------------------------------------------------------*/ + + li r3, MSR_KERNEL /* Set ME and RI flags */ + rlwimi r3, r5, 0, 25, 25 /* preserve IP bit set by HRCW */ +#ifdef DEBUG + rlwimi r3, r5, 0, 21, 22 /* debugger might set SE & BE bits */ +#endif + SYNC /* Some chip revs need this... */ + mtmsr r3 + SYNC + mtspr SRR1, r3 /* Make SRR1 match MSR */ + + /* Initialize the Hardware Implementation-dependent Registers */ + /* HID0 also contains cache control */ + /*--------------------------------------------------------------*/ + + lis r3, CFG_HID0_INIT@h + ori r3, r3, CFG_HID0_INIT@l + SYNC + mtspr HID0, r3 + + lis r3, CFG_HID0_FINAL@h + ori r3, r3, CFG_HID0_FINAL@l + SYNC + mtspr HID0, r3 + + /* clear all BAT's */ + /*--------------------------------------------------------------*/ + + li r0, 0 + mtspr DBAT0U, r0 + mtspr DBAT0L, r0 + mtspr DBAT1U, r0 + mtspr DBAT1L, r0 + mtspr DBAT2U, r0 + mtspr DBAT2L, r0 + mtspr DBAT3U, r0 + mtspr DBAT3L, r0 + mtspr IBAT0U, r0 + mtspr IBAT0L, r0 + mtspr IBAT1U, r0 + mtspr IBAT1L, r0 + mtspr IBAT2U, r0 + mtspr IBAT2L, r0 + mtspr IBAT3U, r0 + mtspr IBAT3L, r0 + SYNC + + /* invalidate all tlb's */ + /* */ + /* From the 603e User Manual: "The 603e provides the ability to */ + /* invalidate a TLB entry. The TLB Invalidate Entry (tlbie) */ + /* instruction invalidates the TLB entry indexed by the EA, and */ + /* operates on both the instruction and data TLBs simultaneously*/ + /* invalidating four TLB entries (both sets in each TLB). The */ + /* index corresponds to bits 15-19 of the EA. To invalidate all */ + /* entries within both TLBs, 32 tlbie instructions should be */ + /* issued, incrementing this field by one each time." */ + /* */ + /* "Note that the tlbia instruction is not implemented on the */ + /* 603e." */ + /* */ + /* bits 15-19 correspond to addresses 0x00000000 to 0x0001F000 */ + /* incrementing by 0x1000 each time. The code below is sort of */ + /* based on code in "flush_tlbs" from arch/ppc/kernel/head.S */ + /* */ + /*--------------------------------------------------------------*/ + + li r3, 32 + mtctr r3 + li r3, 0 +1: tlbie r3 + addi r3, r3, 0x1000 + bdnz 1b + SYNC + + /* Done! */ + /*--------------------------------------------------------------*/ + + blr + +/* Cache functions. + * + * Note: requires that all cache bits in + * HID0 are in the low half word. + */ + .globl icache_enable +icache_enable: + mfspr r3, HID0 + ori r3, r3, HID0_ICE + lis r4, 0 + ori r4, r4, HID0_ILOCK + andc r3, r3, r4 + ori r4, r3, HID0_ICFI + isync + mtspr HID0, r4 /* sets enable and invalidate, clears lock */ + isync + mtspr HID0, r3 /* clears invalidate */ + blr + + .globl icache_disable +icache_disable: + mfspr r3, HID0 + lis r4, 0 + ori r4, r4, HID0_ICE|HID0_ILOCK + andc r3, r3, r4 + ori r4, r3, HID0_ICFI + isync + mtspr HID0, r4 /* sets invalidate, clears enable and lock */ + isync + mtspr HID0, r3 /* clears invalidate */ + blr + + .globl icache_status +icache_status: + mfspr r3, HID0 + rlwinm r3, r3, HID0_ICE_BITPOS + 1, 31, 31 + blr + + .globl dcache_enable +dcache_enable: + mfspr r3, HID0 + ori r3, r3, HID0_DCE + lis r4, 0 + ori r4, r4, HID0_DLOCK + andc r3, r3, r4 + ori r4, r3, HID0_DCI + sync + mtspr HID0, r4 /* sets enable and invalidate, clears lock */ + sync + mtspr HID0, r3 /* clears invalidate */ + blr + + .globl dcache_disable +dcache_disable: + mfspr r3, HID0 + lis r4, 0 + ori r4, r4, HID0_DCE|HID0_DLOCK + andc r3, r3, r4 + ori r4, r3, HID0_DCI + sync + mtspr HID0, r4 /* sets invalidate, clears enable and lock */ + sync + mtspr HID0, r3 /* clears invalidate */ + blr + + .globl dcache_status +dcache_status: + mfspr r3, HID0 + rlwinm r3, r3, HID0_DCE_BITPOS + 1, 31, 31 + blr + + .globl get_pvr +get_pvr: + mfspr r3, PVR + blr + +/*------------------------------------------------------------------------------*/ + +/* + * void relocate_code (addr_sp, gd, addr_moni) + * + * This "function" does not return, instead it continues in RAM + * after relocating the monitor code. + * + * r3 = dest + * r4 = src + * r5 = length in bytes + * r6 = cachelinesize + */ + .globl relocate_code +relocate_code: + mr r1, r3 /* Set new stack pointer */ + mr r9, r4 /* Save copy of Global Data pointer */ + mr r10, r5 /* Save copy of Destination Address */ + + mr r3, r5 /* Destination Address */ + lis r4, CFG_MONITOR_BASE@h /* Source Address */ + ori r4, r4, CFG_MONITOR_BASE@l + lwz r5, GOT(__init_end) + sub r5, r5, r4 + li r6, CFG_CACHELINE_SIZE /* Cache Line Size */ + + /* + * Fix GOT pointer: + * + * New GOT-PTR = (old GOT-PTR - CFG_MONITOR_BASE) + Destination Address + * + * Offset: + */ + sub r15, r10, r4 + + /* First our own GOT */ + add r14, r14, r15 + /* then the one used by the C code */ + add r30, r30, r15 + + /* + * Now relocate code + */ + + cmplw cr1,r3,r4 + addi r0,r5,3 + srwi. r0,r0,2 + beq cr1,4f /* In place copy is not necessary */ + beq 7f /* Protect against 0 count */ + mtctr r0 + bge cr1,2f + + la r8,-4(r4) + la r7,-4(r3) +1: lwzu r0,4(r8) + stwu r0,4(r7) + bdnz 1b + b 4f + +2: slwi r0,r0,2 + add r8,r4,r0 + add r7,r3,r0 +3: lwzu r0,-4(r8) + stwu r0,-4(r7) + bdnz 3b + +/* + * Now flush the cache: note that we must start from a cache aligned + * address. Otherwise we might miss one cache line. + */ +4: cmpwi r6,0 + add r5,r3,r5 + beq 7f /* Always flush prefetch queue in any case */ + subi r0,r6,1 + andc r3,r3,r0 + mfspr r7,HID0 /* don't do dcbst if dcache is disabled */ + rlwinm r7,r7,HID0_DCE_BITPOS+1,31,31 + cmpwi r7,0 + beq 9f + mr r4,r3 +5: dcbst 0,r4 + add r4,r4,r6 + cmplw r4,r5 + blt 5b + sync /* Wait for all dcbst to complete on bus */ +9: mfspr r7,HID0 /* don't do icbi if icache is disabled */ + rlwinm r7,r7,HID0_ICE_BITPOS+1,31,31 + cmpwi r7,0 + beq 7f + mr r4,r3 +6: icbi 0,r4 + add r4,r4,r6 + cmplw r4,r5 + blt 6b +7: sync /* Wait for all icbi to complete on bus */ + isync + +/* + * We are done. Do not return, instead branch to second part of board + * initialization, now running from RAM. + */ + + addi r0, r10, in_ram - _start + EXC_OFF_SYS_RESET + mtlr r0 + blr + +in_ram: + + /* + * Relocation Function, r14 point to got2+0x8000 + * + * Adjust got2 pointers, no need to check for 0, this code + * already puts a few entries in the table. + */ + li r0,__got2_entries@sectoff@l + la r3,GOT(_GOT2_TABLE_) + lwz r11,GOT(_GOT2_TABLE_) + mtctr r0 + sub r11,r3,r11 + addi r3,r3,-4 +1: lwzu r0,4(r3) + add r0,r0,r11 + stw r0,0(r3) + bdnz 1b + + /* + * Now adjust the fixups and the pointers to the fixups + * in case we need to move ourselves again. + */ +2: li r0,__fixup_entries@sectoff@l + lwz r3,GOT(_FIXUP_TABLE_) + cmpwi r0,0 + mtctr r0 + addi r3,r3,-4 + beq 4f +3: lwzu r4,4(r3) + lwzux r0,r4,r11 + add r0,r0,r11 + stw r10,0(r3) + stw r0,0(r4) + bdnz 3b +4: +clear_bss: + /* + * Now clear BSS segment + */ + lwz r3,GOT(__bss_start) + lwz r4,GOT(_end) + + cmplw 0, r3, r4 + beq 6f + + li r0, 0 +5: + stw r0, 0(r3) + addi r3, r3, 4 + cmplw 0, r3, r4 + bne 5b +6: + + mr r3, r9 /* Global Data pointer */ + mr r4, r10 /* Destination Address */ + bl board_init_r + + /* + * Copy exception vector code to low memory + * + * r3: dest_addr + * r7: source address, r8: end address, r9: target address + */ + .globl trap_init +trap_init: + lwz r7, GOT(_start) + lwz r8, GOT(_end_of_vectors) + + li r9, 0x100 /* reset vector always at 0x100 */ + + cmplw 0, r7, r8 + bgelr /* return if r7>=r8 - just in case */ + + mflr r4 /* save link register */ +1: + lwz r0, 0(r7) + stw r0, 0(r9) + addi r7, r7, 4 + addi r9, r9, 4 + cmplw 0, r7, r8 + bne 1b + + /* + * relocate `hdlr' and `int_return' entries + */ + li r7, .L_MachineCheck - _start + EXC_OFF_SYS_RESET + li r8, Alignment - _start + EXC_OFF_SYS_RESET +2: + bl trap_reloc + addi r7, r7, 0x100 /* next exception vector */ + cmplw 0, r7, r8 + blt 2b + + li r7, .L_Alignment - _start + EXC_OFF_SYS_RESET + bl trap_reloc + + li r7, .L_ProgramCheck - _start + EXC_OFF_SYS_RESET + bl trap_reloc + + li r7, .L_FPUnavailable - _start + EXC_OFF_SYS_RESET + li r8, SystemCall - _start + EXC_OFF_SYS_RESET +3: + bl trap_reloc + addi r7, r7, 0x100 /* next exception vector */ + cmplw 0, r7, r8 + blt 3b + + li r7, .L_SingleStep - _start + EXC_OFF_SYS_RESET + li r8, _end_of_vectors - _start + EXC_OFF_SYS_RESET +4: + bl trap_reloc + addi r7, r7, 0x100 /* next exception vector */ + cmplw 0, r7, r8 + blt 4b + + mfmsr r3 /* now that the vectors have */ + lis r7, MSR_IP@h /* relocated into low memory */ + ori r7, r7, MSR_IP@l /* MSR[IP] can be turned off */ + andc r3, r3, r7 /* (if it was on) */ + SYNC /* Some chip revs need this... */ + mtmsr r3 + SYNC + + mtlr r4 /* restore link register */ + blr + + /* + * Function: relocate entries for one exception vector + */ +trap_reloc: + lwz r0, 0(r7) /* hdlr ... */ + add r0, r0, r3 /* ... += dest_addr */ + stw r0, 0(r7) + + lwz r0, 4(r7) /* int_return ... */ + add r0, r0, r3 /* ... += dest_addr */ + stw r0, 4(r7) + + blr diff --git a/cpu/mpc5xxx/traps.c b/cpu/mpc5xxx/traps.c new file mode 100644 index 0000000..5d43394 --- /dev/null +++ b/cpu/mpc5xxx/traps.c @@ -0,0 +1,246 @@ +/* + * linux/arch/ppc/kernel/traps.c + * + * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org) + * + * Modified by Cort Dougan (cort@cs.nmt.edu) + * and Paul Mackerras (paulus@cs.anu.edu.au) + * + * (C) Copyright 2000-2003 + * 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 + */ + +/* + * This file handles the architecture-dependent parts of hardware exceptions + */ + +#include <common.h> +#include <command.h> +#include <asm/processor.h> + +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) +int (*debugger_exception_handler)(struct pt_regs *) = 0; +#endif + +/* Returns 0 if exception not found and fixup otherwise. */ +extern unsigned long search_exception_table(unsigned long); + +/* THIS NEEDS CHANGING to use the board info structure. +*/ +#define END_OF_MEM 0x02000000 + +/* + * Trap & Exception support + */ + +void +print_backtrace(unsigned long *sp) +{ + int cnt = 0; + unsigned long i; + + printf("Call backtrace: "); + while (sp) { + if ((uint)sp > END_OF_MEM) + break; + + i = sp[1]; + if (cnt++ % 7 == 0) + printf("\n"); + printf("%08lX ", i); + if (cnt > 32) break; + sp = (unsigned long *)*sp; + } + printf("\n"); +} + +void show_regs(struct pt_regs * regs) +{ + int i; + + printf("NIP: %08lX XER: %08lX LR: %08lX REGS: %p TRAP: %04lx DAR: %08lX\n", + regs->nip, regs->xer, regs->link, regs, regs->trap, regs->dar); + printf("MSR: %08lx EE: %01x PR: %01x FP: %01x ME: %01x IR/DR: %01x%01x\n", + regs->msr, regs->msr&MSR_EE ? 1 : 0, regs->msr&MSR_PR ? 1 : 0, + regs->msr & MSR_FP ? 1 : 0,regs->msr&MSR_ME ? 1 : 0, + regs->msr&MSR_IR ? 1 : 0, + regs->msr&MSR_DR ? 1 : 0); + + printf("\n"); + for (i = 0; i < 32; i++) { + if ((i % 8) == 0) + { + printf("GPR%02d: ", i); + } + + printf("%08lX ", regs->gpr[i]); + if ((i % 8) == 7) + { + printf("\n"); + } + } +} + + +void +_exception(int signr, struct pt_regs *regs) +{ + show_regs(regs); + print_backtrace((unsigned long *)regs->gpr[1]); + panic("Exception in kernel pc %lx signal %d",regs->nip,signr); +} + +void +MachineCheckException(struct pt_regs *regs) +{ + unsigned long fixup; + + /* Probing PCI using config cycles cause this exception + * when a device is not present. Catch it and return to + * the PCI exception handler. + */ + if ((fixup = search_exception_table(regs->nip)) != 0) { + regs->nip = fixup; + return; + } + +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) + if (debugger_exception_handler && (*debugger_exception_handler)(regs)) + return; +#endif + + printf("Machine check in kernel mode.\n"); + printf("Caused by (from msr): "); + printf("regs %p ",regs); + switch( regs->msr & 0x0000F000) + { + case (1<<12) : + printf("Machine check signal - probably due to mm fault\n" + "with mmu off\n"); + break; + case (1<<13) : + printf("Transfer error ack signal\n"); + break; + case (1<<14) : + printf("Data parity signal\n"); + break; + case (1<<15) : + printf("Address parity signal\n"); + break; + default: + printf("Unknown values in msr\n"); + } + show_regs(regs); + print_backtrace((unsigned long *)regs->gpr[1]); + panic("machine check"); +} + +void +AlignmentException(struct pt_regs *regs) +{ +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) + if (debugger_exception_handler && (*debugger_exception_handler)(regs)) + return; +#endif + show_regs(regs); + print_backtrace((unsigned long *)regs->gpr[1]); + panic("Alignment Exception"); +} + +void +ProgramCheckException(struct pt_regs *regs) +{ +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) + if (debugger_exception_handler && (*debugger_exception_handler)(regs)) + return; +#endif + show_regs(regs); + print_backtrace((unsigned long *)regs->gpr[1]); + panic("Program Check Exception"); +} + +void +SoftEmuException(struct pt_regs *regs) +{ +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) + if (debugger_exception_handler && (*debugger_exception_handler)(regs)) + return; +#endif + show_regs(regs); + print_backtrace((unsigned long *)regs->gpr[1]); + panic("Software Emulation Exception"); +} + + +void +UnknownException(struct pt_regs *regs) +{ +#if (CONFIG_COMMANDS & CFG_CMD_KGDB) + if (debugger_exception_handler && (*debugger_exception_handler)(regs)) + return; +#endif + printf("Bad trap at PC: %lx, SR: %lx, vector=%lx\n", + regs->nip, regs->msr, regs->trap); + _exception(0, regs); +} + +#if (CONFIG_COMMANDS & CFG_CMD_BEDBUG) +extern void do_bedbug_breakpoint(struct pt_regs *); +#endif + +void +DebugException(struct pt_regs *regs) +{ + + printf("Debugger trap at @ %lx\n", regs->nip ); + show_regs(regs); +#if (CONFIG_COMMANDS & CFG_CMD_BEDBUG) + do_bedbug_breakpoint( regs ); +#endif +} + +/* Probe an address by reading. If not present, return -1, otherwise + * return 0. + */ +int +addr_probe(uint *addr) +{ +#if 0 + int retval; + + __asm__ __volatile__( \ + "1: lwz %0,0(%1)\n" \ + " eieio\n" \ + " li %0,0\n" \ + "2:\n" \ + ".section .fixup,\"ax\"\n" \ + "3: li %0,-1\n" \ + " b 2b\n" \ + ".section __ex_table,\"a\"\n" \ + " .align 2\n" \ + " .long 1b,3b\n" \ + ".text" \ + : "=r" (retval) : "r"(addr)); + + return (retval); +#endif + return 0; +} diff --git a/cpu/mpc8xx/video.c b/cpu/mpc8xx/video.c index 1887cfe..f2b8814 100644 --- a/cpu/mpc8xx/video.c +++ b/cpu/mpc8xx/video.c @@ -684,15 +684,15 @@ static int video_mode_generate (void) ADDENTRY (0, 3, 0, 3, 1, 0, VID_R , 1, 0); ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0); ADDENTRY (3, 3, 0, 3, 1, 0, HBP, 0, 0); - ADDENTRY (3, 3, 0, 3, 0, 0, VIDEO_COLS*2, 0, 0); + ADDENTRY (3, 3, 0, 3, 0, 0, VIDEO_COLS*2, 0, 0); ADDENTRY (3, 3, 0, 3, 1, 0, 72, 1, 1); ADDENTRY (0, 3, 0, 3, 1, 0, 51, 1, 0); ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0); ADDENTRY (3, 3, 0, 3, 1, 0, HBP +(VIDEO_COLS * 2) + 72 , 1, 0); -/* - * Odd field - */ +/* + * Odd field + */ ADDENTRY (0, 3, 0, 3, 1, 0, 2, 0, 0); ADDENTRY (0, 0, 0, 3, 1, 0, HPW, 0, 0); ADDENTRY (3, 0, 0, 3, 1, 0, HBP + (VIDEO_COLS * 2) + 72, 0, 0); @@ -710,7 +710,7 @@ static int video_mode_generate (void) ADDENTRY (0, 3, 0, 3, 1, 0, VID_R , 1, 0); ADDENTRY (0, 3, 0, 3, 1, 0, HPW-1, 0, 0); ADDENTRY (3, 3, 0, 3, 1, 0, HBP, 0, 0); - ADDENTRY (3, 3, 0, 3, 0, 0, VIDEO_COLS*2, 0, 0); + ADDENTRY (3, 3, 0, 3, 0, 0, VIDEO_COLS*2, 0, 0); ADDENTRY (3, 3, 0, 3, 1, 0, 72, 1, 1); ADDENTRY (0, 3, 0, 3, 1, 0, 51, 1, 0); diff --git a/drivers/ns16550.c b/drivers/ns16550.c index 9344a0a..b20ae4b 100644 --- a/drivers/ns16550.c +++ b/drivers/ns16550.c @@ -17,9 +17,9 @@ void NS16550_init (NS16550_t com_port, int baud_divisor) { com_port->ier = 0x00; -#ifdef CONFIG_OMAP1510 +#ifdef CONFIG_OMAP1510 com_port->mdr1 = 0x7; /* mode select reset TL16C750*/ -#endif +#endif com_port->lcr = LCR_BKSE | LCRVAL; com_port->dll = baud_divisor & 0xff; com_port->dlm = (baud_divisor >> 8) & 0xff; diff --git a/include/asm-ppc/global_data.h b/include/asm-ppc/global_data.h index e3aa25d..4253020 100644 --- a/include/asm-ppc/global_data.h +++ b/include/asm-ppc/global_data.h @@ -46,6 +46,10 @@ typedef struct global_data { unsigned long scc_clk; unsigned long brg_clk; #endif +#if defined(CONFIG_MPC5XXX) + unsigned long ipb_clk; + unsigned long pci_clk; +#endif unsigned long ram_size; /* RAM size */ unsigned long reloc_off; /* Relocation Offset */ unsigned long reset_status; /* reset status register at boot */ diff --git a/include/asm-ppc/u-boot.h b/include/asm-ppc/u-boot.h index db563a5..8014225 100644 --- a/include/asm-ppc/u-boot.h +++ b/include/asm-ppc/u-boot.h @@ -41,6 +41,9 @@ typedef struct bd_info { #if defined(CONFIG_5xx) || defined(CONFIG_8xx) || defined(CONFIG_8260) unsigned long bi_immr_base; /* base of IMMR register */ #endif +#if defined(CONFIG_MPC5XXX) + unsigned long bi_mbar_base; /* base of internal registers */ +#endif unsigned long bi_bootflags; /* boot / reboot flag (for LynxOS) */ unsigned long bi_ip_addr; /* IP Address */ unsigned char bi_enetaddr[6]; /* Ethernet adress */ @@ -53,6 +56,10 @@ typedef struct bd_info { unsigned long bi_sccfreq; /* SCC_CLK Freq, in MHz */ unsigned long bi_vco; /* VCO Out from PLL, in MHz */ #endif +#if defined(CONFIG_MPC5XXX) + unsigned long bi_ipbfreq; /* IPB Bus Freq, in MHz */ + unsigned long bi_pcifreq; /* PCI Bus Freq, in MHz */ +#endif unsigned long bi_baudrate; /* Console Baudrate */ #if defined(CONFIG_405GP) || \ defined(CONFIG_405CR) || \ diff --git a/include/common.h b/include/common.h index 8a98de3..c8ad856 100644 --- a/include/common.h +++ b/include/common.h @@ -327,6 +327,9 @@ int get_clocks (void); #if defined(CONFIG_8260) int prt_8260_clks (void); #endif +#if defined(CONFIG_MPC5XXX) +int prt_mpc5xxx_clks (void); +#endif #ifdef CONFIG_4xx ulong get_OPB_freq (void); ulong get_PCI_freq (void); diff --git a/include/configs/EXBITGEN.h b/include/configs/EXBITGEN.h index f1ffcb3..4e70519 100644 --- a/include/configs/EXBITGEN.h +++ b/include/configs/EXBITGEN.h @@ -65,7 +65,7 @@ /* Explanation: autbooting is altogether disabled and cannot be enabled if CONFIG_BOOTDELAY is negative. - If you want shorter bootdelay, then + If you want shorter bootdelay, then - "setenv bootdelay <delay>" to the proper value */ @@ -111,11 +111,11 @@ /* Default baud rate */ #define CONFIG_BAUDRATE 115200 - + /* The following table includes the supported baudrates */ #define CFG_BAUDRATE_TABLE \ - { 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, \ - 57600, 115200, 230400, 460800, 921600 } + { 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, \ + 57600, 115200, 230400, 460800, 921600 } #define CFG_CLKS_IN_HZ 1 /* everything, incl board info, in Hz */ @@ -177,7 +177,7 @@ #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ -#ifdef CFG_ENV_IS_IN_FLASH +#ifdef CFG_ENV_IS_IN_FLASH #define CFG_ENV_OFFSET 0x00060000 /* Offset of Environment Sector */ #define CFG_ENV_SIZE 0x00010000 /* Total Size of Environment Sector */ #define CFG_ENV_SECT_SIZE 0x00010000 /* see README - env sector total size */ diff --git a/include/configs/IceCube.h b/include/configs/IceCube.h new file mode 100644 index 0000000..e6d735a --- /dev/null +++ b/include/configs/IceCube.h @@ -0,0 +1,173 @@ +/* + * (C) Copyright 2003 + * 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_MPC5XXX 1 /* This is an MPC5xxx CPU */ +#define CONFIG_ICECUBE 1 /* ... on IceCube board */ + +#define CFG_MPC5XXX_CLKIN 33333333 /* ... running at 33MHz */ + +#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ +#define BOOTFLAG_WARM 0x02 /* Software reboot */ + +#define CFG_CACHELINE_SIZE 32 /* For MPC8260 CPU */ +#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 /* ... at 115200 bps */ +#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 } + +/* + * Supported commands + */ +#define CONFIG_COMMANDS (CONFIG_CMD_DFL & ~(CFG_CMD_NET)) + +/* 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_BOOTCOMMAND "bootm 100000" /* autoboot command */ +#define CONFIG_BOOTARGS "root=/dev/ram rw" + +/* + * I2C configuration + */ + +/* + * Flash configuration + */ +#define CFG_FLASH_BASE 0xff800000 +#define CFG_FLASH_SIZE 0x00800000 + +/* + * Flash organization + */ +#define CFG_MAX_FLASH_BANKS 1 /* max num of memory banks */ +#define CFG_MAX_FLASH_SECT 128 /* max num of sects on one chip */ + +#define CFG_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */ +#define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */ + +#undef CONFIG_FLASH_16BIT /* Flash is 8-bit */ + + +/* + * Environment settings + */ +#define CFG_ENV_IS_IN_FLASH 1 +#define CFG_ENV_SIZE 0x10000 +#define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x740000) +#define CFG_ENV_SECT_SIZE 0x10000 + + +/* + * Memory map + */ +#define CFG_MBAR 0xf0000000 +#define CFG_SDRAM_BASE 0x00000000 + +/* 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 (128 << 10) /* Reserve 128 kB for malloc() */ +#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ + +/* + * Ethernet configuration + */ +#if 0 +#define CONFIG_NET_MULTI 1 +#define CONFIG_MPC5XXX_FEC 1 +#endif + +/* + * GPIO configuration + */ +#define CFG_GPS_PORT_CONFIG 0x00000004 + +/* + * 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 0 +#define CFG_HID0_FINAL 0 + +#define CFG_BOOTCS_START CFG_FLASH_BASE +#define CFG_BOOTCS_SIZE CFG_FLASH_SIZE +#define CFG_BOOTCS_CFG 0x00047801 +#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 + +#endif /* __CONFIG_H */ diff --git a/include/configs/TOP860.h b/include/configs/TOP860.h index f902685..535ec79 100644 --- a/include/configs/TOP860.h +++ b/include/configs/TOP860.h @@ -25,15 +25,15 @@ * MA 02111-1307 USA */ /* - * TOP860 is a simple module:
- * 16-bit wide FLASH on CS0 (2MB or more)
- * 32-bit wide DRAM on CS2 (either 4MB or 16MB)
- * FEC with Am79C874 100-Base-T and Fiber Optic
- * Ports available, but we choose SMC1 for Console
+ * TOP860 is a simple module: + * 16-bit wide FLASH on CS0 (2MB or more) + * 32-bit wide DRAM on CS2 (either 4MB or 16MB) + * FEC with Am79C874 100-Base-T and Fiber Optic + * Ports available, but we choose SMC1 for Console * 8k I2C EEPROM at address 0xae, 6k user available, 2k factory set - * 32768Hz crystal PLL set for 49.152MHz Core and 24.576MHz Bus Clock
- *
- * This config has been copied from MBX.h / MBX860T.h
+ * 32768Hz crystal PLL set for 49.152MHz Core and 24.576MHz Bus Clock + * + * This config has been copied from MBX.h / MBX860T.h */ /* * board/config.h - configuration options, board specific @@ -54,36 +54,36 @@ #define CONFIG_MPC860T 1 /* even better... an FEC! */ #define CONFIG_TOP860 1 /* ...on a TOP860 module */ #undef CONFIG_WATCHDOG /* watchdog disabled */ -#define CONFIG_IDENT_STRING " EMK TOP860"
+#define CONFIG_IDENT_STRING " EMK TOP860" /*----------------------------------------------------------------------- * CLOCK settings */ -#define CONFIG_SYSCLK 49152000
-#define CFG_XTAL 32768
-#define CONFIG_EBDF 1
-#define CONFIG_COM 3
-#define CONFIG_RTC_MPC8xx
-
+#define CONFIG_SYSCLK 49152000 +#define CFG_XTAL 32768 +#define CONFIG_EBDF 1 +#define CONFIG_COM 3 +#define CONFIG_RTC_MPC8xx + /*----------------------------------------------------------------------- * Physical memory map as defined by EMK */ #define CFG_IMMR 0xFFF00000 /* Internal Memory Mapped Register */ -#define CFG_FLASH_BASE 0x80000000 /* FLASH in final mapping */
-#define CFG_DRAM_BASE 0x00000000 /* DRAM in final mapping */
-#define CFG_FLASH_MAX 0x00400000 /* max FLASH to expect */
-#define CFG_DRAM_MAX 0x01000000 /* max DRAM to expect */
-
+#define CFG_FLASH_BASE 0x80000000 /* FLASH in final mapping */ +#define CFG_DRAM_BASE 0x00000000 /* DRAM in final mapping */ +#define CFG_FLASH_MAX 0x00400000 /* max FLASH to expect */ +#define CFG_DRAM_MAX 0x01000000 /* max DRAM to expect */ + /*----------------------------------------------------------------------- * derived values */ -#define CFG_MF (CONFIG_SYSCLK/CFG_XTAL)
-#define CFG_CPUCLOCK CONFIG_SYSCLK
-#define CFG_BRGCLOCK CONFIG_SYSCLK
-#define CFG_BUSCLOCK (CONFIG_SYSCLK >> CONFIG_EBDF)
+#define CFG_MF (CONFIG_SYSCLK/CFG_XTAL) +#define CFG_CPUCLOCK CONFIG_SYSCLK +#define CFG_BRGCLOCK CONFIG_SYSCLK +#define CFG_BUSCLOCK (CONFIG_SYSCLK >> CONFIG_EBDF) #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ -#define CONFIG_8xx_GCLK_FREQ CONFIG_SYSCLK
-
+#define CONFIG_8xx_GCLK_FREQ CONFIG_SYSCLK + /*----------------------------------------------------------------------- * FLASH organization */ @@ -92,8 +92,8 @@ #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_CFI
+ +#define CFG_FLASH_CFI /*----------------------------------------------------------------------- * Command interpreter @@ -101,7 +101,7 @@ #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ #undef CONFIG_8xx_CONS_SMC2 #define CONFIG_BAUDRATE 9600 -
+ /* * Allow partial commands to be matched to uniqueness. */ @@ -125,8 +125,8 @@ CFG_CMD_BEDBUG \ ) -#define CONFIG_AUTOSCRIPT 1
-#define CFG_LOADS_BAUD_CHANGE 1
+#define CONFIG_AUTOSCRIPT 1 +#define CFG_LOADS_BAUD_CHANGE 1 #undef CONFIG_LOADS_ECHO /* NO echo on for serial download */ /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ @@ -134,19 +134,19 @@ #define CFG_LONGHELP /* undef to save memory */ #define CFG_PROMPT "=> " /* Monitor Command Prompt */ -
+ #undef CFG_HUSH_PARSER /* Hush parse for U-Boot */ -
+ #ifdef CFG_HUSH_PARSER #define CFG_PROMPT_HUSH_PS2 "> " #endif -
+ #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 */ @@ -156,63 +156,63 @@ */ #define CFG_MEMTEST_START 0x0400000 /* memtest works on */ #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ -
+ /*----------------------------------------------------------------------- * Environment handler * only the first 6k in EEPROM are available for user. Of that we use 256b */ -#define CONFIG_SOFT_I2C
+#define CONFIG_SOFT_I2C #define CFG_ENV_IS_IN_EEPROM 1 /* turn on EEPROM env feature */ #define CFG_ENV_OFFSET 0x1000 -#define CFG_ENV_SIZE 0x0700
-#define CFG_I2C_EEPROM_ADDR 0x57
+#define CFG_ENV_SIZE 0x0700 +#define CFG_I2C_EEPROM_ADDR 0x57 #define CFG_FACT_OFFSET 0x1800 -#define CFG_FACT_SIZE 0x0800
-#define CFG_I2C_FACT_ADDR 0x57
-#define CFG_EEPROM_PAGE_WRITE_BITS 3
-#define CFG_I2C_EEPROM_ADDR_LEN 2
+#define CFG_FACT_SIZE 0x0800 +#define CFG_I2C_FACT_ADDR 0x57 +#define CFG_EEPROM_PAGE_WRITE_BITS 3 +#define CFG_I2C_EEPROM_ADDR_LEN 2 #define CFG_EEPROM_SIZE 0x2000 #define CFG_I2C_SPEED 100000 -#define CFG_I2C_SLAVE 0xFE
-#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 12
-#define CONFIG_ENV_OVERWRITE
-#define CONFIG_MISC_INIT_R
-
-#if defined (CONFIG_SOFT_I2C)
-#define SDA 0x00010
-#define SCL 0x00020
-#define DIR immr->im_cpm.cp_pbdir
-#define DAT immr->im_cpm.cp_pbdat
-#define PAR immr->im_cpm.cp_pbpar
-#define ODR immr->im_cpm.cp_pbodr
-#define I2C_INIT {PAR&=~(SDA|SCL);ODR&=~(SDA|SCL);DAT|=(SDA|SCL);DIR|=(SDA|SCL);}
-#define I2C_READ ((DAT&SDA)?1:0)
-#define I2C_SDA(x) {if(x)DAT|=SDA;else DAT&=~SDA;}
-#define I2C_SCL(x) {if(x)DAT|=SCL;else DAT&=~SCL;}
-#define I2C_DELAY {udelay(5);}
-#define I2C_ACTIVE {DIR|=SDA;}
-#define I2C_TRISTATE {DIR&=~SDA;}
+#define CFG_I2C_SLAVE 0xFE +#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 12 +#define CONFIG_ENV_OVERWRITE +#define CONFIG_MISC_INIT_R + +#if defined (CONFIG_SOFT_I2C) +#define SDA 0x00010 +#define SCL 0x00020 +#define DIR immr->im_cpm.cp_pbdir +#define DAT immr->im_cpm.cp_pbdat +#define PAR immr->im_cpm.cp_pbpar +#define ODR immr->im_cpm.cp_pbodr +#define I2C_INIT {PAR&=~(SDA|SCL);ODR&=~(SDA|SCL);DAT|=(SDA|SCL);DIR|=(SDA|SCL);} +#define I2C_READ ((DAT&SDA)?1:0) +#define I2C_SDA(x) {if(x)DAT|=SDA;else DAT&=~SDA;} +#define I2C_SCL(x) {if(x)DAT|=SCL;else DAT&=~SCL;} +#define I2C_DELAY {udelay(5);} +#define I2C_ACTIVE {DIR|=SDA;} +#define I2C_TRISTATE {DIR&=~SDA;} #endif #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 } /*----------------------------------------------------------------------- * defines we need to get FEC running - */
+ */ #define CONFIG_NET_MULTI 1 /* the only way to get the FEC in */ #define CONFIG_FEC_ENET 1 /* Ethernet only via FEC */ -#define FEC_ENET 1 /* eth.c needs it that way... */
+#define FEC_ENET 1 /* eth.c needs it that way... */ #define CFG_DISCOVER_PHY 1 #define CONFIG_MII 1 #define CONFIG_PHY_ADDR 31 -
+ /*----------------------------------------------------------------------- * adresses - */
+ */ #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ #define CFG_MONITOR_BASE TEXT_BASE #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ -
+ /*----------------------------------------------------------------------- * Start addresses for the final memory configuration * (Set up by the startup code) @@ -220,7 +220,7 @@ */ #define CFG_SDRAM_BASE 0x00000000 #define CFG_FLASH_BASE 0x80000000 -
+ /*----------------------------------------------------------------------- * Definitions for initial stack pointer and data area (in DPRAM) */ @@ -262,36 +262,36 @@ /*----------------------------------------------------------------------- * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 *----------------------------------------------------------------------- - * set up PLPRCR (PLL, Low-Power, and Reset Control Register)
- * 12 MF calculated Multiplication factor
- * 4 0 0000
- * 1 SPLSS 0 System PLL lock status sticky
- * 1 TEXPS 1 Timer expired status
- * 1 0 0
- * 1 TMIST 0 Timers interrupt status
- * 1 0 0
- * 1 CSRC 0 Clock source (0=DFNH, 1=DFNL)
- * 2 LPM 00 Low-power modes
- * 1 CSR 0 Checkstop reset enable
- * 1 LOLRE 0 Loss-of-lock reset enable
- * 1 FIOPD 0 Force I/O pull down
- * 5 0 00000
+ * set up PLPRCR (PLL, Low-Power, and Reset Control Register) + * 12 MF calculated Multiplication factor + * 4 0 0000 + * 1 SPLSS 0 System PLL lock status sticky + * 1 TEXPS 1 Timer expired status + * 1 0 0 + * 1 TMIST 0 Timers interrupt status + * 1 0 0 + * 1 CSRC 0 Clock source (0=DFNH, 1=DFNL) + * 2 LPM 00 Low-power modes + * 1 CSR 0 Checkstop reset enable + * 1 LOLRE 0 Loss-of-lock reset enable + * 1 FIOPD 0 Force I/O pull down + * 5 0 00000 */ #define CFG_PLPRCR (PLPRCR_TEXPS | ((CFG_MF-1)<<20)) -
+ /*----------------------------------------------------------------------- * SYPCR - System Protection Control 11-9 * SYPCR can only be written once after reset! *----------------------------------------------------------------------- - * set up SYPCR:
- * 16 SWTC 0xffff Software watchdog timer count
- * 8 BMT 0xff Bus monitor timing
- * 1 BME 1 Bus monitor enable
- * 3 0 000
- * 1 SWF 1 Software watchdog freeze
- * 1 SWE 0/1 Software watchdog enable
- * 1 SWRI 0/1 Software watchdog reset/interrupt select (1=HRESET)
- * 1 SWP 0/1 Software watchdog prescale (1=/2048)
+ * set up SYPCR: + * 16 SWTC 0xffff Software watchdog timer count + * 8 BMT 0xff Bus monitor timing + * 1 BME 1 Bus monitor enable + * 3 0 000 + * 1 SWF 1 Software watchdog freeze + * 1 SWE 0/1 Software watchdog enable + * 1 SWRI 0/1 Software watchdog reset/interrupt select (1=HRESET) + * 1 SWP 0/1 Software watchdog prescale (1=/2048) */ #if defined (CONFIG_WATCHDOG) #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ @@ -303,31 +303,31 @@ /*----------------------------------------------------------------------- * SIUMCR - SIU Module Configuration 11-6 *----------------------------------------------------------------------- - * set up SIUMCR
- * 1 EARB 0 External arbitration
- * 3 EARP 000 External arbitration request priority
- * 4 0 0000
- * 1 DSHW 0 Data show cycles
- * 2 DBGC 00 Debug pin configuration
- * 2 DBPC 00 Debug port pins configuration
- * 1 0 0
- * 1 FRC 0 FRZ pin configuration
- * 1 DLK 0 Debug register lock
- * 1 OPAR 0 Odd parity
- * 1 PNCS 0 Parity enable for non memory controller regions
- * 1 DPC 0 Data parity pins configuration
- * 1 MPRE 0 Multiprocessor reservation enable
- * 2 MLRC 11 Multi level reservation control (00=IRQ4, 01=3State, 10=KR/RETRY, 11=SPKROUT)
- * 1 AEME 0 Async external master enable
- * 1 SEME 0 Sync external master enable
- * 1 BSC 0 Byte strobe configuration
- * 1 GB5E 0 GPL_B5 enable
- * 1 B2DD 0 Bank 2 double drive
- * 1 B3DD 0 Bank 3 double drive
- * 4 0 0000
+ * set up SIUMCR + * 1 EARB 0 External arbitration + * 3 EARP 000 External arbitration request priority + * 4 0 0000 + * 1 DSHW 0 Data show cycles + * 2 DBGC 00 Debug pin configuration + * 2 DBPC 00 Debug port pins configuration + * 1 0 0 + * 1 FRC 0 FRZ pin configuration + * 1 DLK 0 Debug register lock + * 1 OPAR 0 Odd parity + * 1 PNCS 0 Parity enable for non memory controller regions + * 1 DPC 0 Data parity pins configuration + * 1 MPRE 0 Multiprocessor reservation enable + * 2 MLRC 11 Multi level reservation control (00=IRQ4, 01=3State, 10=KR/RETRY, 11=SPKROUT) + * 1 AEME 0 Async external master enable + * 1 SEME 0 Sync external master enable + * 1 BSC 0 Byte strobe configuration + * 1 GB5E 0 GPL_B5 enable + * 1 B2DD 0 Bank 2 double drive + * 1 B3DD 0 Bank 3 double drive + * 4 0 0000 */ #define CFG_SIUMCR (SIUMCR_MLRC11) -
+ /*----------------------------------------------------------------------- * TBSCR - Time Base Status and Control 11-26 *----------------------------------------------------------------------- @@ -345,30 +345,30 @@ /*----------------------------------------------------------------------- * SCCR - System Clock and reset Control Register 15-27 *----------------------------------------------------------------------- - * set up SCCR (System Clock and Reset Control Register)
- * 1 0 0
- * 2 COM 11 Clock output module (00=full, 01=half, 11=off)
- * 3 0 000
- * 1 TBS 1 Timebase source (0=OSCCLK, 1=GCLK2)
- * 1 RTDIV 0 Real-time clock divide (0=/4, 1=/512)
- * 1 RTSEL 0 Real-time clock select (0=OSCM, 1=EXTCLK)
- * 1 CRQEN 0 CPM request enable
- * 1 PRQEN 0 Power management request enable
- * 2 0 00
- * 2 EBDF xx External bus division factor
- * 2 0 00
- * 2 DFSYNC 00 Division factor for SYNCLK
- * 2 DFBRG 00 Division factor for BRGCLK
- * 3 DFNL 000 Division factor low frequency
- * 3 DFNH 000 Division factor high frequency
- * 5 0 00000
+ * set up SCCR (System Clock and Reset Control Register) + * 1 0 0 + * 2 COM 11 Clock output module (00=full, 01=half, 11=off) + * 3 0 000 + * 1 TBS 1 Timebase source (0=OSCCLK, 1=GCLK2) + * 1 RTDIV 0 Real-time clock divide (0=/4, 1=/512) + * 1 RTSEL 0 Real-time clock select (0=OSCM, 1=EXTCLK) + * 1 CRQEN 0 CPM request enable + * 1 PRQEN 0 Power management request enable + * 2 0 00 + * 2 EBDF xx External bus division factor + * 2 0 00 + * 2 DFSYNC 00 Division factor for SYNCLK + * 2 DFBRG 00 Division factor for BRGCLK + * 3 DFNL 000 Division factor low frequency + * 3 DFNH 000 Division factor high frequency + * 5 0 00000 */ #define SCCR_MASK 0 -#if CONFIG_EBDF
+#if CONFIG_EBDF #define CFG_SCCR (SCCR_COM11 | SCCR_TBS | SCCR_EBDF01) -#else
+#else #define CFG_SCCR (SCCR_COM11 | SCCR_TBS) -#endif
+#endif /*----------------------------------------------------------------------- * Chip Select 0 - FLASH @@ -379,7 +379,7 @@ #define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_4_CLK | OR_TRLX | OR_EHTR) #define CFG_OR0_PRELIM (-CFG_FLASH_MAX | CFG_OR_TIMING_FLASH) #define CFG_BR0_PRELIM (CFG_FLASH_BASE | BR_PS_16 | BR_V ) -
+ /*----------------------------------------------------------------------- * misc *----------------------------------------------------------------------- @@ -408,11 +408,11 @@ /* * BOOTP options */ -#undef CONFIG_BOOTP_MASK
+#undef CONFIG_BOOTP_MASK #define CONFIG_BOOTP_MASK ( CONFIG_BOOTP_DEFAULT | \ CONFIG_BOOTP_BOOTFILESIZE \ - )
-
+ ) + /* * Set default IP stuff just to get bootstrap entries into the @@ -421,13 +421,13 @@ #define CONFIG_ETHADDR 9a:52:63:15:85:25 #define CONFIG_SERVERIP 10.0.4.200 #define CONFIG_IPADDR 10.0.4.111 -
+ /*----------------------------------------------------------------------- * Defaults for Autoscript */ #define CFG_LOAD_ADDR 0x00100000 /* default load address */ #define CFG_TFTP_LOADADDR 0x00100000 -
+ /* * For booting Linux, the board info and command line data * have to be in the first 8 MB of memory, since this is @@ -435,5 +435,5 @@ */ #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ -
+ #endif /* __CONFIG_H */ diff --git a/include/configs/omap1510.h b/include/configs/omap1510.h index 001e21a..540630b 100644 --- a/include/configs/omap1510.h +++ b/include/configs/omap1510.h @@ -521,7 +521,6 @@ typedef struct { #define WDTIM_CONTROL_ST BIT7 - /* --------------------------------------------------------------------------- * Differentiating processor versions for those who care. * --------------------------------------------------------------------------- diff --git a/include/mpc5xxx.h b/include/mpc5xxx.h new file mode 100644 index 0000000..e0f2367 --- /dev/null +++ b/include/mpc5xxx.h @@ -0,0 +1,467 @@ +/* + * include/asm-ppc/mpc5xxx.h + * + * Prototypes, etc. for the Motorola MGT5xxx/MPC5xxx + * embedded cpu chips + * + * 2003 (c) MontaVista, Software, Inc. + * Author: Dale Farnsworth <dfarnsworth@mvista.com> + * + * 2003 (C) 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 __ASMPPC_MPC5XXX_H +#define __ASMPPC_MPC5XXX_H + +/* Processor name */ +#if defined(CONFIG_MPC5200) +#define CPU_ID_STR "MPC5200" +#elif defined(CONFIG_MGT5100) +#define CPU_ID_STR "MGT5100" +#endif + +/* Exception offsets (PowerPC standard) */ +#define EXC_OFF_SYS_RESET 0x0100 + +/* Internal memory map */ + +#define MPC5XXX_CS0_START (CFG_MBAR + 0x0004) +#define MPC5XXX_CS0_STOP (CFG_MBAR + 0x0008) +#define MPC5XXX_CS1_START (CFG_MBAR + 0x000c) +#define MPC5XXX_CS1_STOP (CFG_MBAR + 0x0010) +#define MPC5XXX_CS2_START (CFG_MBAR + 0x0014) +#define MPC5XXX_CS2_STOP (CFG_MBAR + 0x0018) +#define MPC5XXX_CS3_START (CFG_MBAR + 0x001c) +#define MPC5XXX_CS3_STOP (CFG_MBAR + 0x0020) +#define MPC5XXX_CS4_START (CFG_MBAR + 0x0024) +#define MPC5XXX_CS4_STOP (CFG_MBAR + 0x0028) +#define MPC5XXX_CS5_START (CFG_MBAR + 0x002c) +#define MPC5XXX_CS5_STOP (CFG_MBAR + 0x0030) +#define MPC5XXX_BOOTCS_START (CFG_MBAR + 0x004c) +#define MPC5XXX_BOOTCS_STOP (CFG_MBAR + 0x0050) +#define MPC5XXX_ADDECR (CFG_MBAR + 0x0054) + +#if defined(CONFIG_MGT5100) +#define MPC5XXX_SDRAM_START (CFG_MBAR + 0x0034) +#define MPC5XXX_SDRAM_STOP (CFG_MBAR + 0x0038) +#elif defined(CONFIG_MPC5200) +#define MPC5XXX_CS6_START (CFG_MBAR + 0x0058) +#define MPC5XXX_CS6_STOP (CFG_MBAR + 0x005c) +#define MPC5XXX_CS7_START (CFG_MBAR + 0x0060) +#define MPC5XXX_CS7_STOP (CFG_MBAR + 0x0064) +#define MPC5XXX_SDRAM_CS0CFG (CFG_MBAR + 0x0034) +#define MPC5XXX_SDRAM_CS1CFG (CFG_MBAR + 0x0038) +#endif + +#define MPC5XXX_SDRAM (CFG_MBAR + 0x0100) +#define MPC5XXX_CDM (CFG_MBAR + 0x0200) +#define MPC5XXX_LPB (CFG_MBAR + 0x0300) +#define MPC5XXX_ICTL (CFG_MBAR + 0x0500) +#define MPC5XXX_GPIO (CFG_MBAR + 0x0b00) +#define MPC5XXX_SDMA (CFG_MBAR + 0x1200) +#define MPC5XXX_XLBARB (CFG_MBAR + 0x1f00) + +#if defined(CONFIG_MGT5100) +#define MPC5XXX_PSC1 (CFG_MBAR + 0x2000) +#define MPC5XXX_PSC2 (CFG_MBAR + 0x2400) +#define MPC5XXX_PSC3 (CFG_MBAR + 0x2800) +#elif defined(CONFIG_MPC5200) +#define MPC5XXX_PSC1 (CFG_MBAR + 0x2000) +#define MPC5XXX_PSC2 (CFG_MBAR + 0x2200) +#define MPC5XXX_PSC3 (CFG_MBAR + 0x2400) +#define MPC5XXX_PSC4 (CFG_MBAR + 0x2600) +#define MPC5XXX_PSC5 (CFG_MBAR + 0x2800) +#define MPC5XXX_PSC6 (CFG_MBAR + 0x2c00) +#endif + +#define MPC5XXX_FEC (CFG_MBAR + 0x3000) + +#if defined(CONFIG_MGT5100) +#define MPC5XXX_SRAM (CFG_MBAR + 0x4000) +#define MPC5XXX_SRAM_SIZE (8*1024) +#elif defined(CONFIG_MPC5200) +#define MPC5XXX_SRAM (CFG_MBAR + 0x8000) +#define MPC5XXX_SRAM_SIZE (16*1024) +#endif + +/* SDRAM Controller */ +#define MPC5XXX_SDRAM_MODE (MPC5XXX_SDRAM + 0x0000) +#define MPC5XXX_SDRAM_CTRL (MPC5XXX_SDRAM + 0x0004) +#define MPC5XXX_SDRAM_CONFIG1 (MPC5XXX_SDRAM + 0x0008) +#define MPC5XXX_SDRAM_CONFIG2 (MPC5XXX_SDRAM + 0x000c) +#if defined(CONFIG_MGT5100) +#define MPC5XXX_SDRAM_XLBSEL (MPC5XXX_SDRAM + 0x0010) +#endif + +/* Clock Distribution Module */ +#define MPC5XXX_CDM_JTAGID (MPC5XXX_CDM + 0x0000) +#define MPC5XXX_CDM_PORCFG (MPC5XXX_CDM + 0x0004) +#define MPC5XXX_CDM_CFG (MPC5XXX_CDM + 0x000c) +#define MPC5XXX_CDM_SRESET (MPC5XXX_CDM + 0x0020) + +/* Local Plus Bus interface */ +#define MPC5XXX_CS0_CFG (MPC5XXX_LPB + 0x0000) +#define MPC5XXX_CS1_CFG (MPC5XXX_LPB + 0x0004) +#define MPC5XXX_CS2_CFG (MPC5XXX_LPB + 0x0008) +#define MPC5XXX_CS3_CFG (MPC5XXX_LPB + 0x000c) +#define MPC5XXX_CS4_CFG (MPC5XXX_LPB + 0x0010) +#define MPC5XXX_CS5_CFG (MPC5XXX_LPB + 0x0014) +#define MPC5XXX_BOOTCS_CFG MPC5XXX_CS0_CFG +#define MPC5XXX_CS_CTRL (MPC5XXX_LPB + 0x0018) +#define MPC5XXX_CS_STATUS (MPC5XXX_LPB + 0x001c) +#if defined(CONFIG_MPC5200) +#define MPC5XXX_CS6_CFG (MPC5XXX_LPB + 0x0020) +#define MPC5XXX_CS7_CFG (MPC5XXX_LPB + 0x0024) +#define MPC5XXX_CS_BURST (MPC5XXX_LPB + 0x0028) +#define MPC5XXX_CS_DEADCYCLE (MPC5XXX_LPB + 0x002c) +#endif + +/* GPIO registers */ +#define MPC5XXX_GPS_PORT_CONFIG (MPC5XXX_GPIO + 0x0000) + +/* Interrupt Controller registers */ +#define MPC5XXX_ICTL_PER_MASK (MPC5XXX_ICTL + 0x0000) +#define MPC5XXX_ICTL_PER_PRIO1 (MPC5XXX_ICTL + 0x0004) +#define MPC5XXX_ICTL_PER_PRIO2 (MPC5XXX_ICTL + 0x0008) +#define MPC5XXX_ICTL_PER_PRIO3 (MPC5XXX_ICTL + 0x000c) +#define MPC5XXX_ICTL_EXT (MPC5XXX_ICTL + 0x0010) +#define MPC5XXX_ICTL_CRIT (MPC5XXX_ICTL + 0x0014) +#define MPC5XXX_ICTL_MAIN_PRIO1 (MPC5XXX_ICTL + 0x0018) +#define MPC5XXX_ICTL_MAIN_PRIO2 (MPC5XXX_ICTL + 0x001c) +#define MPC5XXX_ICTL_STS (MPC5XXX_ICTL + 0x0024) +#define MPC5XXX_ICTL_CRIT_STS (MPC5XXX_ICTL + 0x0028) +#define MPC5XXX_ICTL_MAIN_STS (MPC5XXX_ICTL + 0x002c) +#define MPC5XXX_ICTL_PER_STS (MPC5XXX_ICTL + 0x0030) +#define MPC5XXX_ICTL_BUS_STS (MPC5XXX_ICTL + 0x0038) + +/* Programmable Serial Controller (PSC) status register bits */ +#define PSC_SR_CDE 0x0080 +#define PSC_SR_RXRDY 0x0100 +#define PSC_SR_RXFULL 0x0200 +#define PSC_SR_TXRDY 0x0400 +#define PSC_SR_TXEMP 0x0800 +#define PSC_SR_OE 0x1000 +#define PSC_SR_PE 0x2000 +#define PSC_SR_FE 0x4000 +#define PSC_SR_RB 0x8000 + +/* PSC Command values */ +#define PSC_RX_ENABLE 0x0001 +#define PSC_RX_DISABLE 0x0002 +#define PSC_TX_ENABLE 0x0004 +#define PSC_TX_DISABLE 0x0008 +#define PSC_SEL_MODE_REG_1 0x0010 +#define PSC_RST_RX 0x0020 +#define PSC_RST_TX 0x0030 +#define PSC_RST_ERR_STAT 0x0040 +#define PSC_RST_BRK_CHG_INT 0x0050 +#define PSC_START_BRK 0x0060 +#define PSC_STOP_BRK 0x0070 + +/* PSC Rx FIFO status bits */ +#define PSC_RX_FIFO_ERR 0x0040 +#define PSC_RX_FIFO_UF 0x0020 +#define PSC_RX_FIFO_OF 0x0010 +#define PSC_RX_FIFO_FR 0x0008 +#define PSC_RX_FIFO_FULL 0x0004 +#define PSC_RX_FIFO_ALARM 0x0002 +#define PSC_RX_FIFO_EMPTY 0x0001 + +/* PSC interrupt mask bits */ +#define PSC_IMR_TXRDY 0x0100 +#define PSC_IMR_RXRDY 0x0200 +#define PSC_IMR_DB 0x0400 +#define PSC_IMR_IPC 0x8000 + +/* PSC input port change bits */ +#define PSC_IPCR_CTS 0x01 +#define PSC_IPCR_DCD 0x02 + +/* PSC mode fields */ +#define PSC_MODE_5_BITS 0x00 +#define PSC_MODE_6_BITS 0x01 +#define PSC_MODE_7_BITS 0x02 +#define PSC_MODE_8_BITS 0x03 +#define PSC_MODE_PAREVEN 0x00 +#define PSC_MODE_PARODD 0x04 +#define PSC_MODE_PARFORCE 0x08 +#define PSC_MODE_PARNONE 0x10 +#define PSC_MODE_ERR 0x20 +#define PSC_MODE_FFULL 0x40 +#define PSC_MODE_RXRTS 0x80 + +#define PSC_MODE_ONE_STOP_5_BITS 0x00 +#define PSC_MODE_ONE_STOP 0x07 +#define PSC_MODE_TWO_STOP 0x0f + +#ifndef __ASSEMBLY__ +struct mpc5xxx_psc { + volatile u8 mode; /* PSC + 0x00 */ + volatile u8 reserved0[3]; + union { /* PSC + 0x04 */ + volatile u16 status; + volatile u16 clock_select; + } sr_csr; +#define psc_status sr_csr.status +#define psc_clock_select sr_csr.clock_select + volatile u16 reserved1; + volatile u8 command; /* PSC + 0x08 */ + volatile u8 reserved2[3]; + union { /* PSC + 0x0c */ + volatile u8 buffer_8; + volatile u16 buffer_16; + volatile u32 buffer_32; + } buffer; +#define psc_buffer_8 buffer.buffer_8 +#define psc_buffer_16 buffer.buffer_16 +#define psc_buffer_32 buffer.buffer_32 + union { /* PSC + 0x10 */ + volatile u8 ipcr; + volatile u8 acr; + } ipcr_acr; +#define psc_ipcr ipcr_acr.ipcr +#define psc_acr ipcr_acr.acr + volatile u8 reserved3[3]; + union { /* PSC + 0x14 */ + volatile u16 isr; + volatile u16 imr; + } isr_imr; +#define psc_isr isr_imr.isr +#define psc_imr isr_imr.imr + volatile u16 reserved4; + volatile u8 ctur; /* PSC + 0x18 */ + volatile u8 reserved5[3]; + volatile u8 ctlr; /* PSC + 0x1c */ + volatile u8 reserved6[19]; + volatile u8 ivr; /* PSC + 0x30 */ + volatile u8 reserved7[3]; + volatile u8 ip; /* PSC + 0x34 */ + volatile u8 reserved8[3]; + volatile u8 op1; /* PSC + 0x38 */ + volatile u8 reserved9[3]; + volatile u8 op0; /* PSC + 0x3c */ + volatile u8 reserved10[3]; + volatile u8 sicr; /* PSC + 0x40 */ + volatile u8 reserved11[3]; + volatile u8 ircr1; /* PSC + 0x44 */ + volatile u8 reserved12[3]; + volatile u8 ircr2; /* PSC + 0x44 */ + volatile u8 reserved13[3]; + volatile u8 irsdr; /* PSC + 0x4c */ + volatile u8 reserved14[3]; + volatile u8 irmdr; /* PSC + 0x50 */ + volatile u8 reserved15[3]; + volatile u8 irfdr; /* PSC + 0x54 */ + volatile u8 reserved16[3]; + volatile u16 rfnum; /* PSC + 0x58 */ + volatile u16 reserved17; + volatile u16 tfnum; /* PSC + 0x5c */ + volatile u16 reserved18; + volatile u32 rfdata; /* PSC + 0x60 */ + volatile u16 rfstat; /* PSC + 0x64 */ + volatile u16 reserved20; + volatile u8 rfcntl; /* PSC + 0x68 */ + volatile u8 reserved21[5]; + volatile u16 rfalarm; /* PSC + 0x6e */ + volatile u16 reserved22; + volatile u16 rfrptr; /* PSC + 0x72 */ + volatile u16 reserved23; + volatile u16 rfwptr; /* PSC + 0x76 */ + volatile u16 reserved24; + volatile u16 rflrfptr; /* PSC + 0x7a */ + volatile u16 reserved25; + volatile u16 rflwfptr; /* PSC + 0x7e */ + volatile u32 tfdata; /* PSC + 0x80 */ + volatile u16 tfstat; /* PSC + 0x84 */ + volatile u16 reserved26; + volatile u8 tfcntl; /* PSC + 0x88 */ + volatile u8 reserved27[5]; + volatile u16 tfalarm; /* PSC + 0x8e */ + volatile u16 reserved28; + volatile u16 tfrptr; /* PSC + 0x92 */ + volatile u16 reserved29; + volatile u16 tfwptr; /* PSC + 0x96 */ + volatile u16 reserved30; + volatile u16 tflrfptr; /* PSC + 0x9a */ + volatile u16 reserved31; + volatile u16 tflwfptr; /* PSC + 0x9e */ +}; + +struct mpc5xxx_intr { + volatile u32 per_mask; /* INTR + 0x00 */ + volatile u32 per_pri1; /* INTR + 0x04 */ + volatile u32 per_pri2; /* INTR + 0x08 */ + volatile u32 per_pri3; /* INTR + 0x0c */ + volatile u32 ctrl; /* INTR + 0x10 */ + volatile u32 main_mask; /* INTR + 0x14 */ + volatile u32 main_pri1; /* INTR + 0x18 */ + volatile u32 main_pri2; /* INTR + 0x1c */ + volatile u32 reserved1; /* INTR + 0x20 */ + volatile u32 enc_status; /* INTR + 0x24 */ + volatile u32 crit_status; /* INTR + 0x28 */ + volatile u32 main_status; /* INTR + 0x2c */ + volatile u32 per_status; /* INTR + 0x30 */ + volatile u32 reserved2; /* INTR + 0x34 */ + volatile u32 per_error; /* INTR + 0x38 */ +}; + +struct mpc5xxx_gpio { + volatile u32 port_config; /* GPIO + 0x00 */ + volatile u32 simple_gpioe; /* GPIO + 0x04 */ + volatile u32 simple_ode; /* GPIO + 0x08 */ + volatile u32 simple_ddr; /* GPIO + 0x0c */ + volatile u32 simple_dvo; /* GPIO + 0x10 */ + volatile u32 simple_ival; /* GPIO + 0x14 */ + volatile u8 outo_gpioe; /* GPIO + 0x18 */ + volatile u8 reserved1[3]; /* GPIO + 0x19 */ + volatile u8 outo_dvo; /* GPIO + 0x1c */ + volatile u8 reserved2[3]; /* GPIO + 0x1d */ + volatile u8 sint_gpioe; /* GPIO + 0x20 */ + volatile u8 reserved3[3]; /* GPIO + 0x21 */ + volatile u8 sint_ode; /* GPIO + 0x24 */ + volatile u8 reserved4[3]; /* GPIO + 0x25 */ + volatile u8 sint_ddr; /* GPIO + 0x28 */ + volatile u8 reserved5[3]; /* GPIO + 0x29 */ + volatile u8 sint_dvo; /* GPIO + 0x2c */ + volatile u8 reserved6[3]; /* GPIO + 0x2d */ + volatile u8 sint_inten; /* GPIO + 0x30 */ + volatile u8 reserved7[3]; /* GPIO + 0x31 */ + volatile u16 sint_itype; /* GPIO + 0x34 */ + volatile u16 reserved8; /* GPIO + 0x36 */ + volatile u8 gpio_control; /* GPIO + 0x38 */ + volatile u8 reserved9[3]; /* GPIO + 0x39 */ + volatile u8 sint_istat; /* GPIO + 0x3c */ + volatile u8 sint_ival; /* GPIO + 0x3d */ + volatile u8 bus_errs; /* GPIO + 0x3e */ + volatile u8 reserved10; /* GPIO + 0x3f */ +}; + +struct mpc5xxx_sdma { + volatile u32 taskBar; /* SDMA + 0x00 */ + volatile u32 currentPointer; /* SDMA + 0x04 */ + volatile u32 endPointer; /* SDMA + 0x08 */ + volatile u32 variablePointer; /* SDMA + 0x0c */ + + volatile u8 IntVect1; /* SDMA + 0x10 */ + volatile u8 IntVect2; /* SDMA + 0x11 */ + volatile u16 PtdCntrl; /* SDMA + 0x12 */ + + volatile u32 IntPend; /* SDMA + 0x14 */ + volatile u32 IntMask; /* SDMA + 0x18 */ + + volatile u16 tcr_0; /* SDMA + 0x1c */ + volatile u16 tcr_1; /* SDMA + 0x1e */ + volatile u16 tcr_2; /* SDMA + 0x20 */ + volatile u16 tcr_3; /* SDMA + 0x22 */ + volatile u16 tcr_4; /* SDMA + 0x24 */ + volatile u16 tcr_5; /* SDMA + 0x26 */ + volatile u16 tcr_6; /* SDMA + 0x28 */ + volatile u16 tcr_7; /* SDMA + 0x2a */ + volatile u16 tcr_8; /* SDMA + 0x2c */ + volatile u16 tcr_9; /* SDMA + 0x2e */ + volatile u16 tcr_a; /* SDMA + 0x30 */ + volatile u16 tcr_b; /* SDMA + 0x32 */ + volatile u16 tcr_c; /* SDMA + 0x34 */ + volatile u16 tcr_d; /* SDMA + 0x36 */ + volatile u16 tcr_e; /* SDMA + 0x38 */ + volatile u16 tcr_f; /* SDMA + 0x3a */ + + volatile u8 IPR0; /* SDMA + 0x3c */ + volatile u8 IPR1; /* SDMA + 0x3d */ + volatile u8 IPR2; /* SDMA + 0x3e */ + volatile u8 IPR3; /* SDMA + 0x3f */ + volatile u8 IPR4; /* SDMA + 0x40 */ + volatile u8 IPR5; /* SDMA + 0x41 */ + volatile u8 IPR6; /* SDMA + 0x42 */ + volatile u8 IPR7; /* SDMA + 0x43 */ + volatile u8 IPR8; /* SDMA + 0x44 */ + volatile u8 IPR9; /* SDMA + 0x45 */ + volatile u8 IPR10; /* SDMA + 0x46 */ + volatile u8 IPR11; /* SDMA + 0x47 */ + volatile u8 IPR12; /* SDMA + 0x48 */ + volatile u8 IPR13; /* SDMA + 0x49 */ + volatile u8 IPR14; /* SDMA + 0x4a */ + volatile u8 IPR15; /* SDMA + 0x4b */ + volatile u8 IPR16; /* SDMA + 0x4c */ + volatile u8 IPR17; /* SDMA + 0x4d */ + volatile u8 IPR18; /* SDMA + 0x4e */ + volatile u8 IPR19; /* SDMA + 0x4f */ + volatile u8 IPR20; /* SDMA + 0x50 */ + volatile u8 IPR21; /* SDMA + 0x51 */ + volatile u8 IPR22; /* SDMA + 0x52 */ + volatile u8 IPR23; /* SDMA + 0x53 */ + volatile u8 IPR24; /* SDMA + 0x54 */ + volatile u8 IPR25; /* SDMA + 0x55 */ + volatile u8 IPR26; /* SDMA + 0x56 */ + volatile u8 IPR27; /* SDMA + 0x57 */ + volatile u8 IPR28; /* SDMA + 0x58 */ + volatile u8 IPR29; /* SDMA + 0x59 */ + volatile u8 IPR30; /* SDMA + 0x5a */ + volatile u8 IPR31; /* SDMA + 0x5b */ + + volatile u32 res1; /* SDMA + 0x5c */ + volatile u32 res2; /* SDMA + 0x60 */ + volatile u32 res3; /* SDMA + 0x64 */ + volatile u32 MDEDebug; /* SDMA + 0x68 */ + volatile u32 ADSDebug; /* SDMA + 0x6c */ + volatile u32 Value1; /* SDMA + 0x70 */ + volatile u32 Value2; /* SDMA + 0x74 */ + volatile u32 Control; /* SDMA + 0x78 */ + volatile u32 Status; /* SDMA + 0x7c */ + volatile u32 EU00; /* SDMA + 0x80 */ + volatile u32 EU01; /* SDMA + 0x84 */ + volatile u32 EU02; /* SDMA + 0x88 */ + volatile u32 EU03; /* SDMA + 0x8c */ + volatile u32 EU04; /* SDMA + 0x90 */ + volatile u32 EU05; /* SDMA + 0x94 */ + volatile u32 EU06; /* SDMA + 0x98 */ + volatile u32 EU07; /* SDMA + 0x9c */ + volatile u32 EU10; /* SDMA + 0xa0 */ + volatile u32 EU11; /* SDMA + 0xa4 */ + volatile u32 EU12; /* SDMA + 0xa8 */ + volatile u32 EU13; /* SDMA + 0xac */ + volatile u32 EU14; /* SDMA + 0xb0 */ + volatile u32 EU15; /* SDMA + 0xb4 */ + volatile u32 EU16; /* SDMA + 0xb8 */ + volatile u32 EU17; /* SDMA + 0xbc */ + volatile u32 EU20; /* SDMA + 0xc0 */ + volatile u32 EU21; /* SDMA + 0xc4 */ + volatile u32 EU22; /* SDMA + 0xc8 */ + volatile u32 EU23; /* SDMA + 0xcc */ + volatile u32 EU24; /* SDMA + 0xd0 */ + volatile u32 EU25; /* SDMA + 0xd4 */ + volatile u32 EU26; /* SDMA + 0xd8 */ + volatile u32 EU27; /* SDMA + 0xdc */ + volatile u32 EU30; /* SDMA + 0xe0 */ + volatile u32 EU31; /* SDMA + 0xe4 */ + volatile u32 EU32; /* SDMA + 0xe8 */ + volatile u32 EU33; /* SDMA + 0xec */ + volatile u32 EU34; /* SDMA + 0xf0 */ + volatile u32 EU35; /* SDMA + 0xf4 */ + volatile u32 EU36; /* SDMA + 0xf8 */ + volatile u32 EU37; /* SDMA + 0xfc */ +}; + +/* function prototypes */ +void loadtask(int basetask, int tasks); + +#endif /* __ASSEMBLY__ */ + +#endif /* __ASMPPC_MPC5XXX_H */ diff --git a/include/ppc_asm.tmpl b/include/ppc_asm.tmpl index 0e0bde5..799a726 100644 --- a/include/ppc_asm.tmpl +++ b/include/ppc_asm.tmpl @@ -175,6 +175,11 @@ #define IM_IMMR (IM_REGBASE+0x01a8) #define IM_SCCR (IM_REGBASE+0x0c80) +#elif defined(CONFIG_MPC5XXX) + +#define HID0_ICE_BITPOS 16 +#define HID0_DCE_BITPOS 17 + #endif #define curptr r2 diff --git a/include/video_ad7179.h b/include/video_ad7179.h index 4510d39..6a1ec86 100644 --- a/include/video_ad7179.h +++ b/include/video_ad7179.h @@ -23,7 +23,7 @@ #ifndef _VIDEO_AD7179_H_ #define _VIDEO_AD7179_H_ -/* +/* * The video encoder data are board specific now! */ diff --git a/lib_ppc/board.c b/lib_ppc/board.c index a9b959b..278357d 100644 --- a/lib_ppc/board.c +++ b/lib_ppc/board.c @@ -33,6 +33,9 @@ #ifdef CONFIG_5xx #include <mpc5xx.h> #endif +#ifdef CONFIG_MPC5XXX +#include <mpc5xxx.h> +#endif #if (CONFIG_COMMANDS & CFG_CMD_IDE) #include <ide.h> #endif @@ -304,6 +307,9 @@ init_fnc_t *init_sequence[] = { prt_8260_clks, #endif /* CONFIG_8260 */ checkcpu, +#if defined(CONFIG_MPC5XXX) + prt_mpc5xxx_clks, +#endif /* CONFIG_MPC5XXX */ checkboard, INIT_FUNC_WATCHDOG_INIT #if defined(CONFIG_BMW) || \ @@ -494,6 +500,9 @@ void board_init_f (ulong bootflag) #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) bd->bi_immr_base = CFG_IMMR; /* base of IMMR register */ #endif +#if defined(CONFIG_MPC5XXX) + bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */ +#endif bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */ @@ -506,7 +515,10 @@ void board_init_f (ulong bootflag) bd->bi_sccfreq = gd->scc_clk; bd->bi_vco = gd->vco_out; #endif /* CONFIG_8260 */ - +#if defined(CONFIG_MPC5XXX) + bd->bi_ipbfreq = gd->ipb_clk; + bd->bi_pcifreq = gd->pci_clk; +#endif /* CONFIG_MPC5XXX */ bd->bi_baudrate = gd->baudrate; /* Console Baudrate */ #ifdef CFG_EXTBDINFO @@ -43,6 +43,7 @@ extern int scc_initialize(bd_t*); extern int inca_switch_initialize(bd_t*); extern int ppc_4xx_eth_initialize(bd_t *); extern int plb2800_eth_initialize(bd_t*); +extern int mpc5xxx_fec_initialize(bd_t*); static struct eth_device *eth_devices, *eth_current; @@ -138,6 +139,9 @@ int eth_initialize(bd_t *bis) #if defined(FEC_ENET) || defined(CONFIG_ETHER_ON_FCC) fec_initialize(bis); #endif +#if defined(CONFIG_MPC5XXX_FEC) + mpc5xxx_fec_initialize(bis); +#endif if (!eth_devices) { puts ("No ethernet found.\n"); |