X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=board%2Famcc%2Fcommon%2Fflash.c;h=e6429ecd1365fb7a0dfe89e14c9319dc9e098df5;hb=b3f9ec86e388207fd03dcdf7b145b9ed080bf024;hp=7311c4edd51a4ba2c80ca395c4b41fb33aad009a;hpb=8a316c9b6215266b8f5f7bbae5ee12e8b8afac83;p=u-boot diff --git a/board/amcc/common/flash.c b/board/amcc/common/flash.c index 7311c4edd5..e6429ecd13 100644 --- a/board/amcc/common/flash.c +++ b/board/amcc/common/flash.c @@ -35,12 +35,20 @@ #include #include -flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ +flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ /*----------------------------------------------------------------------- * Functions */ static int write_word(flash_info_t * info, ulong dest, ulong data); +#ifdef CFG_FLASH_2ND_16BIT_DEV +static int write_word_1(flash_info_t * info, ulong dest, ulong data); +static int write_word_2(flash_info_t * info, ulong dest, ulong data); +static int flash_erase_1(flash_info_t * info, int s_first, int s_last); +static int flash_erase_2(flash_info_t * info, int s_first, int s_last); +static ulong flash_get_size_1(vu_long * addr, flash_info_t * info); +static ulong flash_get_size_2(vu_long * addr, flash_info_t * info); +#endif void flash_print_info(flash_info_t * info) { @@ -68,6 +76,9 @@ void flash_print_info(flash_info_t * info) case FLASH_MAN_SST: printf("SST "); break; + case FLASH_MAN_MX: + printf ("MACRONIX "); + break; default: printf("Unknown Vendor "); break; @@ -113,6 +124,12 @@ void flash_print_info(flash_info_t * info) case FLASH_SST160A: printf("SST39LF/VF160 (16 Mbit, uniform sector size)\n"); break; + case FLASH_STMW320DT: + printf ("M29W320DT (32 M, top sector)\n"); + break; + case FLASH_MXLV320T: + printf ("MXLV320T (32 Mbit, top sector)\n"); + break; default: printf("Unknown Chip Type\n"); break; @@ -154,7 +171,21 @@ void flash_print_info(flash_info_t * info) /* * The following code cannot be run from FLASH! */ +#ifdef CFG_FLASH_2ND_16BIT_DEV +static ulong flash_get_size(vu_long * addr, flash_info_t * info) +{ + /* bit 0 used for big flash marking */ + if ((ulong)addr & 0x1) { + return flash_get_size_2((vu_long *)((ulong)addr & 0xfffffffe), info); + } else { + return flash_get_size_1(addr, info); + } +} + +static ulong flash_get_size_1(vu_long * addr, flash_info_t * info) +#else static ulong flash_get_size(vu_long * addr, flash_info_t * info) +#endif { short i; CFG_FLASH_WORD_SIZE value; @@ -192,76 +223,75 @@ static ulong flash_get_size(vu_long * addr, flash_info_t * info) return (0); /* no or unknown flash */ } - value = addr2[1]; /* device ID */ - + value = addr2[1]; /* device ID */ DEBUGF("\nFLASH DEVICEID: %x\n", value); switch (value) { case (CFG_FLASH_WORD_SIZE) AMD_ID_LV040B: info->flash_id += FLASH_AM040; info->sector_count = 8; - info->size = 0x0080000; /* => 512 ko */ + info->size = 0x0080000; /* => 512 KiB */ break; case (CFG_FLASH_WORD_SIZE) AMD_ID_F040B: info->flash_id += FLASH_AM040; info->sector_count = 8; - info->size = 0x0080000; /* => 512 ko */ + info->size = 0x0080000; /* => 512 KiB */ break; case (CFG_FLASH_WORD_SIZE) STM_ID_M29W040B: info->flash_id += FLASH_AM040; info->sector_count = 8; - info->size = 0x0080000; /* => 512 ko */ + info->size = 0x0080000; /* => 512 KiB */ break; case (CFG_FLASH_WORD_SIZE) AMD_ID_F016D: info->flash_id += FLASH_AMD016; info->sector_count = 32; - info->size = 0x00200000; - break; /* => 2 MB */ + info->size = 0x00200000; /* => 2 MiB */ + break; case (CFG_FLASH_WORD_SIZE) AMD_ID_LV033C: info->flash_id += FLASH_AMDLV033C; info->sector_count = 64; - info->size = 0x00400000; - break; /* => 4 MB */ + info->size = 0x00400000; /* => 4 MiB */ + break; case (CFG_FLASH_WORD_SIZE) AMD_ID_LV400T: info->flash_id += FLASH_AM400T; info->sector_count = 11; - info->size = 0x00080000; - break; /* => 0.5 MB */ + info->size = 0x00080000; /* => 512 KiB */ + break; case (CFG_FLASH_WORD_SIZE) AMD_ID_LV400B: info->flash_id += FLASH_AM400B; info->sector_count = 11; - info->size = 0x00080000; - break; /* => 0.5 MB */ + info->size = 0x00080000; /* => 512 KiB */ + break; case (CFG_FLASH_WORD_SIZE) AMD_ID_LV800T: info->flash_id += FLASH_AM800T; info->sector_count = 19; - info->size = 0x00100000; - break; /* => 1 MB */ + info->size = 0x00100000; /* => 1 MiB */ + break; case (CFG_FLASH_WORD_SIZE) AMD_ID_LV800B: info->flash_id += FLASH_AM800B; info->sector_count = 19; - info->size = 0x00100000; - break; /* => 1 MB */ + info->size = 0x00100000; /* => 1 MiB */ + break; case (CFG_FLASH_WORD_SIZE) AMD_ID_LV160T: info->flash_id += FLASH_AM160T; info->sector_count = 35; - info->size = 0x00200000; - break; /* => 2 MB */ + info->size = 0x00200000; /* => 2 MiB */ + break; case (CFG_FLASH_WORD_SIZE) AMD_ID_LV160B: info->flash_id += FLASH_AM160B; info->sector_count = 35; - info->size = 0x00200000; - break; /* => 2 MB */ + info->size = 0x00200000; /* => 2 MiB */ + break; default: info->flash_id = FLASH_UNKNOWN; @@ -276,7 +306,7 @@ static ulong flash_get_size(vu_long * addr, flash_info_t * info) info->start[i] = base + (i * 0x00010000); } else { if (info->flash_id & FLASH_BTYPE) { - /* set sector offsets for bottom boot block type */ + /* set sector offsets for bottom boot block type */ info->start[0] = base + 0x00000000; info->start[1] = base + 0x00004000; info->start[2] = base + 0x00006000; @@ -286,7 +316,7 @@ static ulong flash_get_size(vu_long * addr, flash_info_t * info) base + (i * 0x00010000) - 0x00030000; } } else { - /* set sector offsets for top boot block type */ + /* set sector offsets for top boot block type */ i = info->sector_count - 1; info->start[i--] = base + info->size - 0x00004000; info->start[i--] = base + info->size - 0x00006000; @@ -323,7 +353,7 @@ static ulong flash_get_size(vu_long * addr, flash_info_t * info) return (info->size); } -int wait_for_DQ7(flash_info_t * info, int sect) +static int wait_for_DQ7_1(flash_info_t * info, int sect) { ulong start, now, last; volatile CFG_FLASH_WORD_SIZE *addr = @@ -346,7 +376,23 @@ int wait_for_DQ7(flash_info_t * info, int sect) return 0; } +#ifdef CFG_FLASH_2ND_16BIT_DEV int flash_erase(flash_info_t * info, int s_first, int s_last) +{ + if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_MXLV320T) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT)) { + return flash_erase_2(info, s_first, s_last); + } else { + return flash_erase_1(info, s_first, s_last); + } +} + +static int flash_erase_1(flash_info_t * info, int s_first, int s_last) +#else +int flash_erase(flash_info_t * info, int s_first, int s_last) +#endif { volatile CFG_FLASH_WORD_SIZE *addr = (CFG_FLASH_WORD_SIZE *) (info->start[0]); volatile CFG_FLASH_WORD_SIZE *addr2; @@ -416,7 +462,7 @@ int flash_erase(flash_info_t * info, int s_first, int s_last) * timeout. This has been seen to fail, especially * if printf()s are included (for debug)!! */ - wait_for_DQ7(info, sect); + wait_for_DQ7_1(info, sect); } } @@ -506,12 +552,357 @@ int write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt) } /*----------------------------------------------------------------------- - * Write a word to Flash, returns: + * Copy memory to flash, returns: * 0 - OK * 1 - write timeout * 2 - Flash not erased */ +#ifdef CFG_FLASH_2ND_16BIT_DEV +static int write_word(flash_info_t * info, ulong dest, ulong data) +{ + if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_MXLV320T) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT)) { + return write_word_2(info, dest, data); + } else { + return write_word_1(info, dest, data); + } +} + +static int write_word_1(flash_info_t * info, ulong dest, ulong data) +#else static int write_word(flash_info_t * info, ulong dest, ulong data) +#endif +{ + volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[0]); + volatile CFG_FLASH_WORD_SIZE *dest2 = (CFG_FLASH_WORD_SIZE *) dest; + volatile CFG_FLASH_WORD_SIZE *data2 = (CFG_FLASH_WORD_SIZE *) & data; + ulong start; + int i; + + /* Check if Flash is (sufficiently) erased */ + if ((*((vu_long *)dest) & data) != data) { + return (2); + } + + for (i = 0; i < 4 / sizeof(CFG_FLASH_WORD_SIZE); i++) { + int flag; + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; + addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00A000A0; + + dest2[i] = data2[i]; + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + /* data polling for D7 */ + start = get_timer(0); + while ((dest2[i] & (CFG_FLASH_WORD_SIZE) 0x00800080) != + (data2[i] & (CFG_FLASH_WORD_SIZE) 0x00800080)) { + + if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { + return (1); + } + } + } + + return (0); +} + +#ifdef CFG_FLASH_2ND_16BIT_DEV + +#undef CFG_FLASH_WORD_SIZE +#define CFG_FLASH_WORD_SIZE unsigned short + +/* + * The following code cannot be run from FLASH! + */ +static ulong flash_get_size_2(vu_long * addr, flash_info_t * info) +{ + short i; + int n; + CFG_FLASH_WORD_SIZE value; + ulong base = (ulong) addr; + volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) addr; + + DEBUGF("FLASH ADDR: %08x\n", (unsigned)addr); + + /* Write auto select command: read Manufacturer ID */ + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; + addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00900090; + udelay(1000); + + value = addr2[0]; + DEBUGF("FLASH MANUFACT: %x\n", value); + + switch (value) { + case (CFG_FLASH_WORD_SIZE) AMD_MANUFACT: + info->flash_id = FLASH_MAN_AMD; + break; + case (CFG_FLASH_WORD_SIZE) FUJ_MANUFACT: + info->flash_id = FLASH_MAN_FUJ; + break; + case (CFG_FLASH_WORD_SIZE) SST_MANUFACT: + info->flash_id = FLASH_MAN_SST; + break; + case (CFG_FLASH_WORD_SIZE) STM_MANUFACT: + info->flash_id = FLASH_MAN_STM; + break; + case (CFG_FLASH_WORD_SIZE) MX_MANUFACT: + info->flash_id = FLASH_MAN_MX; + break; + default: + info->flash_id = FLASH_UNKNOWN; + info->sector_count = 0; + info->size = 0; + return (0); /* no or unknown flash */ + } + + value = addr2[1]; /* device ID */ + + DEBUGF("\nFLASH DEVICEID: %x\n", value); + + switch (value) { + + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV320T: + info->flash_id += FLASH_AM320T; + info->sector_count = 71; + info->size = 0x00400000; break; /* => 4 MiB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV320B: + info->flash_id += FLASH_AM320B; + info->sector_count = 71; + info->size = 0x00400000; break; /* => 4 MiB */ + + case (CFG_FLASH_WORD_SIZE)STM_ID_29W320DT: + info->flash_id += FLASH_STMW320DT; + info->sector_count = 67; + info->size = 0x00400000; break; /* => 4 MiB */ + + case (CFG_FLASH_WORD_SIZE)MX_ID_LV320T: + info->flash_id += FLASH_MXLV320T; + info->sector_count = 71; + info->size = 0x00400000; + break; /* => 4 MB */ + + default: + info->flash_id = FLASH_UNKNOWN; + return (0); /* => no or unknown flash */ + } + + /* set up sector start address table */ + if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM040) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMD016)) { + for (i = 0; i < info->sector_count; i++) + info->start[i] = base + (i * 0x00010000); + } else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT) { + /* set sector offsets for top boot block type */ + base += info->size; + i = info->sector_count; + /* 1 x 16k boot sector */ + base -= 16 << 10; + --i; + info->start[i] = base; + /* 2 x 8k boot sectors */ + for (n=0; n<2; ++n) { + base -= 8 << 10; + --i; + info->start[i] = base; + } + /* 1 x 32k boot sector */ + base -= 32 << 10; + --i; + info->start[i] = base; + + while (i > 0) { /* 64k regular sectors */ + base -= 64 << 10; + --i; + info->start[i] = base; + } + } else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_MXLV320T) { + i = info->sector_count - 1; + info->start[i--] = base + info->size - 0x00002000; + info->start[i--] = base + info->size - 0x00004000; + info->start[i--] = base + info->size - 0x00006000; + info->start[i--] = base + info->size - 0x00008000; + info->start[i--] = base + info->size - 0x0000a000; + info->start[i--] = base + info->size - 0x0000c000; + info->start[i--] = base + info->size - 0x0000e000; + info->start[i--] = base + info->size - 0x00010000; + + for (; i >= 0; i--) + info->start[i] = base + i * 0x00010000; + } else { + if (info->flash_id & FLASH_BTYPE) { + /* set sector offsets for bottom boot block type */ + info->start[0] = base + 0x00000000; + info->start[1] = base + 0x00004000; + info->start[2] = base + 0x00006000; + info->start[3] = base + 0x00008000; + for (i = 4; i < info->sector_count; i++) { + info->start[i] = + base + (i * 0x00010000) - 0x00030000; + } + } else { + /* set sector offsets for top boot block type */ + i = info->sector_count - 1; + info->start[i--] = base + info->size - 0x00004000; + info->start[i--] = base + info->size - 0x00006000; + info->start[i--] = base + info->size - 0x00008000; + for (; i >= 0; i--) { + info->start[i] = base + i * 0x00010000; + } + } + } + + /* check for protected sectors */ + for (i = 0; i < info->sector_count; i++) { + /* read sector protection at sector address, (A7 .. A0) = 0x02 */ + /* D0 = 1 if protected */ + addr2 = (volatile CFG_FLASH_WORD_SIZE *)(info->start[i]); + + /* For AMD29033C flash we need to resend the command of * + * reading flash protection for upper 8 Mb of flash */ + if (i == 32) { + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA; + addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555; + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x90909090; + } + + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) + info->protect[i] = 0; + else + info->protect[i] = addr2[2] & 1; + } + + /* issue bank reset to return to read mode */ + addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00F000F0; + + return (info->size); +} + +static int wait_for_DQ7_2(flash_info_t * info, int sect) +{ + ulong start, now, last; + volatile CFG_FLASH_WORD_SIZE *addr = + (CFG_FLASH_WORD_SIZE *) (info->start[sect]); + + start = get_timer(0); + last = start; + while ((addr[0] & (CFG_FLASH_WORD_SIZE) 0x00800080) != + (CFG_FLASH_WORD_SIZE) 0x00800080) { + if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) { + printf("Timeout\n"); + return -1; + } + /* show that we're waiting */ + if ((now - last) > 1000) { /* every second */ + putc('.'); + last = now; + } + } + return 0; +} + +static int flash_erase_2(flash_info_t * info, int s_first, int s_last) +{ + volatile CFG_FLASH_WORD_SIZE *addr = (CFG_FLASH_WORD_SIZE *) (info->start[0]); + volatile CFG_FLASH_WORD_SIZE *addr2; + int flag, prot, sect, l_sect; + int i; + + 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; + } + + if (info->flash_id == FLASH_UNKNOWN) { + printf("Can't erase unknown flash type - aborted\n"); + 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"); + } + + l_sect = -1; + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + /* Start erase on unprotected sectors */ + for (sect = s_first; sect <= s_last; sect++) { + if (info->protect[sect] == 0) { /* not protected */ + addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[sect]); + + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) { + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; + addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00800080; + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; + addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; + addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00500050; /* block erase */ + for (i = 0; i < 50; i++) + udelay(1000); /* wait 1 ms */ + } else { + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; + addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00800080; + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; + addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; + addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00300030; /* sector erase */ + } + l_sect = sect; + /* + * Wait for each sector to complete, it's more + * reliable. According to AMD Spec, you must + * issue all erase commands within a specified + * timeout. This has been seen to fail, especially + * if printf()s are included (for debug)!! + */ + wait_for_DQ7_2(info, sect); + } + } + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + /* wait at least 80us - let's wait 1 ms */ + udelay(1000); + + /* reset to read mode */ + addr = (CFG_FLASH_WORD_SIZE *) info->start[0]; + addr[0] = (CFG_FLASH_WORD_SIZE) 0x00F000F0; /* reset bank */ + + printf(" done\n"); + return 0; +} + +static int write_word_2(flash_info_t * info, ulong dest, ulong data) { volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[0]); volatile CFG_FLASH_WORD_SIZE *dest2 = (CFG_FLASH_WORD_SIZE *) dest; @@ -553,3 +944,4 @@ static int write_word(flash_info_t * info, ulong dest, ulong data) return (0); } +#endif /* CFG_FLASH_2ND_16BIT_DEV */