X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=board%2Fw7o%2Fflash.c;h=32815fb63e0833e88bdf865189604ae03299ae82;hb=b66a9383421805c705654ce9456ec28c202819fb;hp=00484762361560e20e564a436924995540cc4a20;hpb=c609719b8d1b2dca590e0ed499016d041203e403;p=u-boot diff --git a/board/w7o/flash.c b/board/w7o/flash.c index 0048476236..32815fb63e 100644 --- a/board/w7o/flash.c +++ b/board/w7o/flash.c @@ -50,21 +50,21 @@ unsigned long flash_init (void) /* Init: no FLASHes known */ for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) { - flash_info[i].flash_id = FLASH_UNKNOWN; + flash_info[i].flash_id = FLASH_UNKNOWN; } /* Get Size of Boot and Main Flashes */ size_b0 = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]); if (flash_info[0].flash_id == FLASH_UNKNOWN) { - printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", - size_b0, size_b0<<20); - return 0; + printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", + size_b0, size_b0<<20); + return 0; } size_b1 = flash_get_size((vu_long *)FLASH_BASE1_PRELIM, &flash_info[1]); if (flash_info[1].flash_id == FLASH_UNKNOWN) { - printf ("## Unknown FLASH on Bank 1 - Size = 0x%08lx = %ld MB\n", - size_b1, size_b1<<20); - return 0; + printf ("## Unknown FLASH on Bank 1 - Size = 0x%08lx = %ld MB\n", + size_b1, size_b1<<20); + return 0; } /* Calculate base addresses */ @@ -83,21 +83,21 @@ unsigned long flash_init (void) /* Monitor protection ON by default */ (void)flash_protect(FLAG_PROTECT_SET, - base_b0 + size_b0 - CFG_MONITOR_LEN, - base_b0 + size_b0 - 1, - &flash_info[0]); + base_b0 + size_b0 - monitor_flash_len, + base_b0 + size_b0 - 1, + &flash_info[0]); /* Protect the FPGA image */ (void)flash_protect(FLAG_PROTECT_SET, - FLASH_BASE1_PRELIM, - FLASH_BASE1_PRELIM + CFG_FPGA_IMAGE_LEN - 1, - &flash_info[1]); + FLASH_BASE1_PRELIM, + FLASH_BASE1_PRELIM + CFG_FPGA_IMAGE_LEN - 1, + &flash_info[1]); /* Protect the default boot image */ (void)flash_protect(FLAG_PROTECT_SET, - FLASH_BASE1_PRELIM + CFG_FPGA_IMAGE_LEN, - FLASH_BASE1_PRELIM + CFG_FPGA_IMAGE_LEN + 0x600000 - 1, - &flash_info[1]); + FLASH_BASE1_PRELIM + CFG_FPGA_IMAGE_LEN, + FLASH_BASE1_PRELIM + CFG_FPGA_IMAGE_LEN + 0x600000 - 1, + &flash_info[1]); /* Setup offsets for Main Flash */ flash_get_offsets (FLASH_BASE1_PRELIM, &flash_info[1]); @@ -113,8 +113,8 @@ static void flash_get_offsets (ulong base, flash_info_t *info) /* set up sector start address table - FOR BOOT ROM ONLY!!! */ if ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM040) { - for (i = 0; i < info->sector_count; i++) - info->start[i] = base + (i * 0x00010000); + for (i = 0; i < info->sector_count; i++) + info->start[i] = base + (i * 0x00010000); } } /* end flash_get_offsets() */ @@ -129,75 +129,75 @@ void flash_print_info (flash_info_t *info) volatile unsigned long *flash; if (info->flash_id == FLASH_UNKNOWN) { - printf ("missing or unknown FLASH type\n"); - return; + printf ("missing or unknown FLASH type\n"); + return; } switch (info->flash_id & FLASH_VENDMASK) { - case FLASH_MAN_AMD: printf ("1 x AMD "); break; + case FLASH_MAN_AMD: printf ("1 x AMD "); break; case FLASH_MAN_STM: printf ("1 x STM "); break; - case FLASH_MAN_INTEL: printf ("2 x Intel "); break; - default: printf ("Unknown Vendor "); + case FLASH_MAN_INTEL: printf ("2 x Intel "); break; + default: printf ("Unknown Vendor "); } switch (info->flash_id & FLASH_TYPEMASK) { - case FLASH_AM040: + case FLASH_AM040: if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD) - printf ("AM29LV040 (4096 Kbit, uniform sector size)\n"); + printf ("AM29LV040 (4096 Kbit, uniform sector size)\n"); else if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_STM) - printf ("M29W040B (4096 Kbit, uniform block size)\n"); + printf ("M29W040B (4096 Kbit, uniform block size)\n"); else - printf ("UNKNOWN 29x040x (4096 Kbit, uniform sector size)\n"); - break; - case FLASH_28F320J3A: - printf ("28F320J3A (32 Mbit = 128K x 32)\n"); - break; - case FLASH_28F640J3A: - printf ("28F640J3A (64 Mbit = 128K x 64)\n"); - break; - case FLASH_28F128J3A: - printf ("28F128J3A (128 Mbit = 128K x 128)\n"); - break; - default: - printf ("Unknown Chip Type\n"); + printf ("UNKNOWN 29x040x (4096 Kbit, uniform sector size)\n"); + break; + case FLASH_28F320J3A: + printf ("28F320J3A (32 Mbit = 128K x 32)\n"); + break; + case FLASH_28F640J3A: + printf ("28F640J3A (64 Mbit = 128K x 64)\n"); + break; + case FLASH_28F128J3A: + printf ("28F128J3A (128 Mbit = 128K x 128)\n"); + break; + default: + printf ("Unknown Chip Type\n"); } if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_STM) { - printf (" Size: %ld KB in %d Blocks\n", - info->size >> 10, info->sector_count); + printf (" Size: %ld KB in %d Blocks\n", + info->size >> 10, info->sector_count); } else { - printf (" Size: %ld KB in %d Sectors\n", - info->size >> 10, info->sector_count); + printf (" Size: %ld KB in %d Sectors\n", + info->size >> 10, info->sector_count); } printf (" Sector Start Addresses:"); for (i=0; isector_count; ++i) { - /* - * Check if whole sector is erased - */ - if (i != (info->sector_count-1)) - size = info->start[i+1] - info->start[i]; - else - size = info->start[0] + info->size - info->start[i]; - erased = 1; - flash = (volatile unsigned long *)info->start[i]; - size = size >> 2; /* divide by 4 for longword access */ - for (k=0; kstart[i], - erased ? " E" : " ", - info->protect[i] ? "RO " : " " - ); + /* + * Check if whole sector is erased + */ + if (i != (info->sector_count-1)) + size = info->start[i+1] - info->start[i]; + else + size = info->start[0] + info->size - info->start[i]; + erased = 1; + flash = (volatile unsigned long *)info->start[i]; + size = size >> 2; /* divide by 4 for longword access */ + for (k=0; kstart[i], + erased ? " E" : " ", + info->protect[i] ? "RO " : " " + ); } printf ("\n"); } /* end flash_print_info() */ @@ -217,130 +217,130 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info) /* Test for Boot Flash */ if (base == FLASH_BASE0_PRELIM) { - unsigned char value; - volatile unsigned char * addr2 = (unsigned char *)addr; - - /* Write auto select command: read Manufacturer ID */ - *(addr2 + 0x555) = 0xaa; - *(addr2 + 0x2aa) = 0x55; - *(addr2 + 0x555) = 0x90; - - /* Manufacture ID */ - value = *addr2; - switch (value) { - case (unsigned char)AMD_MANUFACT: - info->flash_id = FLASH_MAN_AMD; - break; + unsigned char value; + volatile unsigned char * addr2 = (unsigned char *)addr; + + /* Write auto select command: read Manufacturer ID */ + *(addr2 + 0x555) = 0xaa; + *(addr2 + 0x2aa) = 0x55; + *(addr2 + 0x555) = 0x90; + + /* Manufacture ID */ + value = *addr2; + switch (value) { + case (unsigned char)AMD_MANUFACT: + info->flash_id = FLASH_MAN_AMD; + break; case (unsigned char)STM_MANUFACT: info->flash_id = FLASH_MAN_STM; break; - default: - *addr2 = 0xf0; /* no or unknown flash */ - return 0; - } - - /* Device ID */ - value = *(addr2 + 1); - switch (value) { - case (unsigned char)AMD_ID_LV040B: + default: + *addr2 = 0xf0; /* no or unknown flash */ + return 0; + } + + /* Device ID */ + value = *(addr2 + 1); + switch (value) { + case (unsigned char)AMD_ID_LV040B: case (unsigned char)STM_ID_29W040B: - info->flash_id += FLASH_AM040; - info->sector_count = 8; - info->size = 0x00080000; - break; /* => 512Kb */ - default: - *addr2 = 0xf0; /* => no or unknown flash */ - return 0; - } + info->flash_id += FLASH_AM040; + info->sector_count = 8; + info->size = 0x00080000; + break; /* => 512Kb */ + default: + *addr2 = 0xf0; /* => no or unknown flash */ + return 0; + } } else { /* MAIN Flash */ - unsigned long value; - volatile unsigned long * addr2 = (unsigned long *)addr; - - /* Write auto select command: read Manufacturer ID */ - *addr2 = 0x90909090; - - /* Manufacture ID */ - value = *addr2; - switch (value) { - case (unsigned long)INTEL_MANUFACT: - info->flash_id = FLASH_MAN_INTEL; - break; - default: - *addr2 = 0xff; /* no or unknown flash */ - return 0; - } - - /* Device ID - This shit is interleaved... */ - value = *(addr2 + 1); - switch (value) { - case (unsigned long)INTEL_ID_28F320J3A: - info->flash_id += FLASH_28F320J3A; - info->sector_count = 32; - info->size = 0x00400000 * 2; - break; /* => 2 X 4 MB */ - case (unsigned long)INTEL_ID_28F640J3A: - info->flash_id += FLASH_28F640J3A; - info->sector_count = 64; - info->size = 0x00800000 * 2; - break; /* => 2 X 8 MB */ - case (unsigned long)INTEL_ID_28F128J3A: - info->flash_id += FLASH_28F128J3A; - info->sector_count = 128; - info->size = 0x01000000 * 2; - break; /* => 2 X 16 MB */ - default: - *addr2 = 0xff; /* => no or unknown flash */ - } + unsigned long value; + volatile unsigned long * addr2 = (unsigned long *)addr; + + /* Write auto select command: read Manufacturer ID */ + *addr2 = 0x90909090; + + /* Manufacture ID */ + value = *addr2; + switch (value) { + case (unsigned long)INTEL_MANUFACT: + info->flash_id = FLASH_MAN_INTEL; + break; + default: + *addr2 = 0xff; /* no or unknown flash */ + return 0; + } + + /* Device ID - This shit is interleaved... */ + value = *(addr2 + 1); + switch (value) { + case (unsigned long)INTEL_ID_28F320J3A: + info->flash_id += FLASH_28F320J3A; + info->sector_count = 32; + info->size = 0x00400000 * 2; + break; /* => 2 X 4 MB */ + case (unsigned long)INTEL_ID_28F640J3A: + info->flash_id += FLASH_28F640J3A; + info->sector_count = 64; + info->size = 0x00800000 * 2; + break; /* => 2 X 8 MB */ + case (unsigned long)INTEL_ID_28F128J3A: + info->flash_id += FLASH_28F128J3A; + info->sector_count = 128; + info->size = 0x01000000 * 2; + break; /* => 2 X 16 MB */ + default: + *addr2 = 0xff; /* => no or unknown flash */ + } } /* Make sure we don't exceed CFG_MAX_FLASH_SECT */ if (info->sector_count > CFG_MAX_FLASH_SECT) { - printf ("** ERROR: sector count %d > max (%d) **\n", - info->sector_count, CFG_MAX_FLASH_SECT); - info->sector_count = CFG_MAX_FLASH_SECT; + printf ("** ERROR: sector count %d > max (%d) **\n", + info->sector_count, CFG_MAX_FLASH_SECT); + info->sector_count = CFG_MAX_FLASH_SECT; } /* set up sector start address table */ switch (info->flash_id & FLASH_TYPEMASK) { - case FLASH_AM040: - for (i = 0; i < info->sector_count; i++) - info->start[i] = base + (i * 0x00010000); - break; - case FLASH_28F320J3A: - case FLASH_28F640J3A: - case FLASH_28F128J3A: - for (i = 0; i < info->sector_count; i++) - info->start[i] = base + (i * 0x00020000 * 2); /* 2 Banks */ - break; + case FLASH_AM040: + for (i = 0; i < info->sector_count; i++) + info->start[i] = base + (i * 0x00010000); + break; + case FLASH_28F320J3A: + case FLASH_28F640J3A: + case FLASH_28F128J3A: + for (i = 0; i < info->sector_count; i++) + info->start[i] = base + (i * 0x00020000 * 2); /* 2 Banks */ + break; } /* Test for Boot Flash */ if (base == FLASH_BASE0_PRELIM) { - volatile unsigned char *addr2; - /* check for protected sectors */ - for (i = 0; i < info->sector_count; i++) { - /* read sector protection at sector address, (AX .. A0) = 0x02 */ - /* D0 = 1 if protected */ - addr2 = (volatile unsigned char *)(info->start[i]); - info->protect[i] = *(addr2 + 2) & 1; - } - - /* Restore read mode */ - *(unsigned char *)base = 0xF0; /* Reset NORMAL Flash */ + volatile unsigned char *addr2; + /* check for protected sectors */ + for (i = 0; i < info->sector_count; i++) { + /* read sector protection at sector address, (AX .. A0) = 0x02 */ + /* D0 = 1 if protected */ + addr2 = (volatile unsigned char *)(info->start[i]); + info->protect[i] = *(addr2 + 2) & 1; + } + + /* Restore read mode */ + *(unsigned char *)base = 0xF0; /* Reset NORMAL Flash */ } else { /* Main Flash */ - volatile unsigned long *addr2; - /* check for protected sectors */ - for (i = 0; i < info->sector_count; i++) { - /* read sector protection at sector address, (AX .. A0) = 0x02 */ - /* D0 = 1 if protected */ - addr2 = (volatile unsigned long *)(info->start[i]); - info->protect[i] = *(addr2 + 2) & 0x1; - } + volatile unsigned long *addr2; + /* check for protected sectors */ + for (i = 0; i < info->sector_count; i++) { + /* read sector protection at sector address, (AX .. A0) = 0x02 */ + /* D0 = 1 if protected */ + addr2 = (volatile unsigned long *)(info->start[i]); + info->protect[i] = *(addr2 + 2) & 0x1; + } - /* Restore read mode */ - *(unsigned long *)base = 0xFFFFFFFF; /* Reset Flash */ + /* Restore read mode */ + *(unsigned long *)base = 0xFFFFFFFF; /* Reset Flash */ } return (info->size); @@ -357,20 +357,20 @@ static int wait_for_DQ7(ulong addr, uchar cmp_val, ulong tout) /* Loop X times */ for (i = 1; i <= (100 * tout); i++) { /* Wait up to tout ms */ - udelay(10); - /* Pause 10 us */ + udelay(10); + /* Pause 10 us */ - /* Check for completion */ - if ((vaddr[0] & 0x80) == (cmp_val & 0x80)) { - return 0; - } + /* Check for completion */ + if ((vaddr[0] & 0x80) == (cmp_val & 0x80)) { + return 0; + } - /* KEEP THE LUSER HAPPY - Print a dot every 1.1 seconds */ - if (!(i % 110000)) - putc('.'); + /* KEEP THE LUSER HAPPY - Print a dot every 1.1 seconds */ + if (!(i % 110000)) + putc('.'); - /* Kick the dog if needed */ - WATCHDOG_RESET(); + /* Kick the dog if needed */ + WATCHDOG_RESET(); } return 1; @@ -388,70 +388,70 @@ static int flash_erase8(flash_info_t *info, int s_first, int s_last) /* Validate arguments */ 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 ("- missing\n"); + else + printf ("- no sectors to erase\n"); + return 1; } /* Check for KNOWN flash type */ if (info->flash_id == FLASH_UNKNOWN) { - printf ("Can't erase unknown flash type - aborted\n"); - return 1; + printf ("Can't erase unknown flash type - aborted\n"); + return 1; } /* Check for protected sectors */ prot = 0; for (sect = s_first; sect <= s_last; ++sect) { - if (info->protect[sect]) - prot++; + if (info->protect[sect]) + prot++; } if (prot) - printf ("- Warning: %d protected sectors will not be erased!\n", prot); + printf ("- Warning: %d protected sectors will not be erased!\n", prot); else - printf ("\n"); + printf ("\n"); /* Start erase on unprotected sectors */ for (sect = s_first; sect <= s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - sector_addr = (uchar *)(info->start[sect]); + if (info->protect[sect] == 0) { /* not protected */ + sector_addr = (uchar *)(info->start[sect]); - if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_STM) + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_STM) printf("Erasing block %p\n", sector_addr); else printf("Erasing sector %p\n", sector_addr); - /* Disable interrupts which might cause Flash to timeout */ - flag = disable_interrupts(); - - *(addr + 0x555) = (uchar)0xAA; - *(addr + 0x2aa) = (uchar)0x55; - *(addr + 0x555) = (uchar)0x80; - *(addr + 0x555) = (uchar)0xAA; - *(addr + 0x2aa) = (uchar)0x55; - *sector_addr = (uchar)0x30; /* sector erase */ - - /* - * 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)!! - * Takes up to 6 seconds. - */ - tcode = wait_for_DQ7((ulong)sector_addr, 0x80, 6000); - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - /* Make sure we didn't timeout */ - if (tcode) { - printf ("Timeout\n"); - rcode = 1; - } - } + /* Disable interrupts which might cause Flash to timeout */ + flag = disable_interrupts(); + + *(addr + 0x555) = (uchar)0xAA; + *(addr + 0x2aa) = (uchar)0x55; + *(addr + 0x555) = (uchar)0x80; + *(addr + 0x555) = (uchar)0xAA; + *(addr + 0x2aa) = (uchar)0x55; + *sector_addr = (uchar)0x30; /* sector erase */ + + /* + * 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)!! + * Takes up to 6 seconds. + */ + tcode = wait_for_DQ7((ulong)sector_addr, 0x80, 6000); + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + /* Make sure we didn't timeout */ + if (tcode) { + printf ("Timeout\n"); + rcode = 1; + } + } } /* wait at least 80us - let's wait 1 ms */ @@ -473,68 +473,68 @@ static int flash_erase32(flash_info_t *info, int s_first, int s_last) /* Validate arguments */ 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 ("- missing\n"); + else + printf ("- no sectors to erase\n"); + return 1; } /* Check for KNOWN flash type */ if ((info->flash_id & FLASH_VENDMASK) != FLASH_MAN_INTEL) { - printf ("Can erase only Intel flash types - aborted\n"); - return 1; + printf ("Can erase only Intel flash types - aborted\n"); + return 1; } /* Check for protected sectors */ for (sect = s_first; sect <= s_last; ++sect) { - if (info->protect[sect]) - prot++; + if (info->protect[sect]) + prot++; } if (prot) - printf ("- Warning: %d protected sectors will not be erased!\n", prot); + printf ("- Warning: %d protected sectors will not be erased!\n", prot); else - printf ("\n"); + printf ("\n"); start = get_timer (0); last = start; /* Start erase on unprotected sectors */ for (sect = s_first; sect <= s_last; sect++) { - WATCHDOG_RESET(); - if (info->protect[sect] == 0) { /* not protected */ - vu_long *addr = (vu_long *)(info->start[sect]); - unsigned long status; - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - *addr = 0x00500050; /* clear status register */ - *addr = 0x00200020; /* erase setup */ - *addr = 0x00D000D0; /* erase confirm */ - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - /* Wait at least 80us - let's wait 1 ms */ - udelay (1000); - - while (((status = *addr) & 0x00800080) != 0x00800080) { - if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) { - printf ("Timeout\n"); - *addr = 0x00B000B0; /* suspend erase */ - *addr = 0x00FF00FF; /* reset to read mode */ - return 1; - } - - /* show that we're waiting */ - if ((now - last) > 990) { /* every second */ - putc ('.'); - last = now; - } - } - *addr = 0x00FF00FF; /* reset to read mode */ - } + WATCHDOG_RESET(); + if (info->protect[sect] == 0) { /* not protected */ + vu_long *addr = (vu_long *)(info->start[sect]); + unsigned long status; + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + *addr = 0x00500050; /* clear status register */ + *addr = 0x00200020; /* erase setup */ + *addr = 0x00D000D0; /* erase confirm */ + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + /* Wait at least 80us - let's wait 1 ms */ + udelay (1000); + + while (((status = *addr) & 0x00800080) != 0x00800080) { + if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) { + printf ("Timeout\n"); + *addr = 0x00B000B0; /* suspend erase */ + *addr = 0x00FF00FF; /* reset to read mode */ + return 1; + } + + /* show that we're waiting */ + if ((now - last) > 990) { /* every second */ + putc ('.'); + last = now; + } + } + *addr = 0x00FF00FF; /* reset to read mode */ + } } printf (" done\n"); return 0; @@ -543,9 +543,9 @@ static int flash_erase32(flash_info_t *info, int s_first, int s_last) int flash_erase(flash_info_t *info, int s_first, int s_last) { if ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM040) - return flash_erase8(info, s_first, s_last); + return flash_erase8(info, s_first, s_last); else - return flash_erase32(info, s_first, s_last); + return flash_erase32(info, s_first, s_last); } /* end flash_erase() */ /*----------------------------------------------------------------------- @@ -563,53 +563,53 @@ static int write_buff8(flash_info_t *info, uchar *src, ulong addr, ulong cnt) start = get_timer (0); wp = (addr & ~3); /* get lower word - aligned address */ + aligned address */ /* * handle unaligned start bytes */ if ((l = addr - wp) != 0) { - data = 0; - for (i=0, cp=wp; i0; ++i) { - data = (data << 8) | *src++; - --cnt; - ++cp; - } - for (; cnt==0 && i<4; ++i, ++cp) { - data = (data << 8) | (*(uchar *)cp); - } - - if ((rc = write_word8(info, wp, data)) != 0) { - return (rc); - } - wp += 4; + data = 0; + for (i=0, cp=wp; i0; ++i) { + data = (data << 8) | *src++; + --cnt; + ++cp; + } + for (; cnt==0 && i<4; ++i, ++cp) { + data = (data << 8) | (*(uchar *)cp); + } + + if ((rc = write_word8(info, wp, data)) != 0) { + return (rc); + } + wp += 4; } /* * handle word aligned part */ while (cnt >= 4) { - data = 0; - for (i=0; i<4; ++i) { - data = (data << 8) | *src++; - } - if ((rc = write_word8(info, wp, data)) != 0) { - return (rc); - } - wp += 4; - cnt -= 4; - if (get_timer(start) > 1000) { /* every second */ - WATCHDOG_RESET(); - putc ('.'); - start = get_timer(0); - } + data = 0; + for (i=0; i<4; ++i) { + data = (data << 8) | *src++; + } + if ((rc = write_word8(info, wp, data)) != 0) { + return (rc); + } + wp += 4; + cnt -= 4; + if (get_timer(start) > 1000) { /* every second */ + WATCHDOG_RESET(); + putc ('.'); + start = get_timer(0); + } } if (cnt == 0) { - return (0); + return (0); } /* @@ -617,11 +617,11 @@ static int write_buff8(flash_info_t *info, uchar *src, ulong addr, ulong cnt) */ data = 0; for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) { - data = (data << 8) | *src++; - --cnt; + data = (data << 8) | *src++; + --cnt; } for (; i<4; ++i, ++cp) { - data = (data << 8) | (*(uchar *)cp); + data = (data << 8) | (*(uchar *)cp); } return (write_word8(info, wp, data)); @@ -678,7 +678,7 @@ static int write_buff32 (flash_info_t *info, uchar *src, ulong addr, ulong cnt) } wp += FLASH_WIDTH; cnt -= FLASH_WIDTH; - if (get_timer(start) > 990) { /* every second */ + if (get_timer(start) > 990) { /* every second */ putc ('.'); start = get_timer(0); } @@ -708,9 +708,9 @@ int write_buff(flash_info_t *info, uchar *src, ulong addr, ulong cnt) int retval; if ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM040) - retval = write_buff8(info, src, addr, cnt); + retval = write_buff8(info, src, addr, cnt); else - retval = write_buff32(info, src, addr, cnt); + retval = write_buff32(info, src, addr, cnt); return retval; } /* end write_buff() */ @@ -732,31 +732,31 @@ static int write_word8(flash_info_t *info, ulong dest, ulong data) /* Check if Flash is (sufficently) erased */ if ((*((volatile uchar *)dest) & - (uchar)data) != (uchar)data) { - return (2); + (uchar)data) != (uchar)data) { + return (2); } for (i=0; i < (4 / sizeof(uchar)); i++) { - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); - *(addr2 + 0x555) = (uchar)0xAA; - *(addr2 + 0x2aa) = (uchar)0x55; - *(addr2 + 0x555) = (uchar)0xA0; + *(addr2 + 0x555) = (uchar)0xAA; + *(addr2 + 0x2aa) = (uchar)0x55; + *(addr2 + 0x555) = (uchar)0xA0; - dest2[i] = data2[i]; + dest2[i] = data2[i]; - /* Wait for write to complete, up to 1ms */ - tcode = wait_for_DQ7((ulong)&dest2[i], data2[i], 1); + /* Wait for write to complete, up to 1ms */ + tcode = wait_for_DQ7((ulong)&dest2[i], data2[i], 1); - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); - /* Make sure we didn't timeout */ - if (tcode) { - rcode = 1; - } + /* Make sure we didn't timeout */ + if (tcode) { + rcode = 1; + } } return rcode; @@ -771,7 +771,7 @@ static int write_word32(flash_info_t *info, ulong dest, ulong data) /* Check if Flash is (sufficiently) erased */ if ((*addr & data) != data) { - return (2); + return (2); } /* Disable interrupts which might cause a timeout here */ flag = disable_interrupts(); @@ -781,16 +781,16 @@ static int write_word32(flash_info_t *info, ulong dest, ulong data) /* re-enable interrupts if necessary */ if (flag) - enable_interrupts(); + enable_interrupts(); start = get_timer (0); while (((status = *addr) & 0x00800080) != 0x00800080) { - WATCHDOG_RESET(); - if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { - *addr = 0x00FF00FF; /* restore read mode */ - return (1); - } + WATCHDOG_RESET(); + if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { + *addr = 0x00FF00FF; /* restore read mode */ + return (1); + } } *addr = 0x00FF00FF; /* restore read mode */ @@ -805,53 +805,53 @@ static int _flash_protect(flash_info_t *info, long sector) int flag; ulong status; int rcode = 0; - volatile long *addr = (unsigned long *)sector; + volatile long *addr = (long *)sector; switch(info->flash_id & FLASH_TYPEMASK) { - case FLASH_28F320J3A: - case FLASH_28F640J3A: - case FLASH_28F128J3A: - /* Disable interrupts which might cause Flash to timeout */ - flag = disable_interrupts(); - - /* Issue command */ - *addr = 0x00500050L; /* Clear the status register */ - *addr = 0x00600060L; /* Set lock bit setup */ - *addr = 0x00010001L; /* Set lock bit confirm */ - - /* Wait for command completion */ - for (i = 0; i < 10; i++) { /* 75us timeout, wait 100us */ - udelay(10); - if ((*addr & 0x00800080L) == 0x00800080L) - break; - } - - /* Not successful? */ - status = *addr; - if (status != 0x00800080L) { - printf("Protect %x sector failed: %x\n", - (uint)sector, (uint)status); - rcode = 1; - } - - /* Restore read mode */ - *addr = 0x00ff00ffL; - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - break; - case FLASH_AM040: /* No soft sector protection */ - break; + case FLASH_28F320J3A: + case FLASH_28F640J3A: + case FLASH_28F128J3A: + /* Disable interrupts which might cause Flash to timeout */ + flag = disable_interrupts(); + + /* Issue command */ + *addr = 0x00500050L; /* Clear the status register */ + *addr = 0x00600060L; /* Set lock bit setup */ + *addr = 0x00010001L; /* Set lock bit confirm */ + + /* Wait for command completion */ + for (i = 0; i < 10; i++) { /* 75us timeout, wait 100us */ + udelay(10); + if ((*addr & 0x00800080L) == 0x00800080L) + break; + } + + /* Not successful? */ + status = *addr; + if (status != 0x00800080L) { + printf("Protect %x sector failed: %x\n", + (uint)sector, (uint)status); + rcode = 1; + } + + /* Restore read mode */ + *addr = 0x00ff00ffL; + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + break; + case FLASH_AM040: /* No soft sector protection */ + break; } /* Turn protection on for this sector */ for (i = 0; i < info->sector_count; i++) { - if (info->start[i] == sector) { - info->protect[i] = 1; - break; - } + if (info->start[i] == sector) { + info->protect[i] = 1; + break; + } } return rcode; @@ -863,45 +863,45 @@ static int _flash_unprotect(flash_info_t *info, long sector) int flag; ulong status; int rcode = 0; - volatile long *addr = (unsigned long *)sector; + volatile long *addr = (long *)sector; switch(info->flash_id & FLASH_TYPEMASK) { - case FLASH_28F320J3A: - case FLASH_28F640J3A: - case FLASH_28F128J3A: - /* Disable interrupts which might cause Flash to timeout */ - flag = disable_interrupts(); - - *addr = 0x00500050L; /* Clear the status register */ - *addr = 0x00600060L; /* Clear lock bit setup */ - *addr = 0x00D000D0L; /* Clear lock bit confirm */ - - /* Wait for command completion */ - for (i = 0; i < 80 ; i++) { /* 700ms timeout, wait 800 */ - udelay(10000); /* Delay 10ms */ - if ((*addr & 0x00800080L) == 0x00800080L) - break; - } - - /* Not successful? */ - status = *addr; - if (status != 0x00800080L) { - printf("Un-protect %x sector failed: %x\n", - (uint)sector, (uint)status); - *addr = 0x00ff00ffL; - rcode = 1; - } - - /* restore read mode */ - *addr = 0x00ff00ffL; - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - break; - case FLASH_AM040: /* No soft sector protection */ - break; + case FLASH_28F320J3A: + case FLASH_28F640J3A: + case FLASH_28F128J3A: + /* Disable interrupts which might cause Flash to timeout */ + flag = disable_interrupts(); + + *addr = 0x00500050L; /* Clear the status register */ + *addr = 0x00600060L; /* Clear lock bit setup */ + *addr = 0x00D000D0L; /* Clear lock bit confirm */ + + /* Wait for command completion */ + for (i = 0; i < 80 ; i++) { /* 700ms timeout, wait 800 */ + udelay(10000); /* Delay 10ms */ + if ((*addr & 0x00800080L) == 0x00800080L) + break; + } + + /* Not successful? */ + status = *addr; + if (status != 0x00800080L) { + printf("Un-protect %x sector failed: %x\n", + (uint)sector, (uint)status); + *addr = 0x00ff00ffL; + rcode = 1; + } + + /* restore read mode */ + *addr = 0x00ff00ffL; + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + break; + case FLASH_AM040: /* No soft sector protection */ + break; } /* @@ -910,14 +910,14 @@ static int _flash_unprotect(flash_info_t *info, long sector) * protection on a specific sector. */ for (i = 0; i < info->sector_count; i++) { - if (info->start[i] != sector) { - if (info->protect[i]) { - if (_flash_protect(info, info->start[i])) - rcode = 1; + if (info->start[i] != sector) { + if (info->protect[i]) { + if (_flash_protect(info, info->start[i])) + rcode = 1; } - } - else /* Turn protection off for this sector */ - info->protect[i] = 0; + } + else /* Turn protection off for this sector */ + info->protect[i] = 0; } return rcode; @@ -929,13 +929,12 @@ int flash_real_protect(flash_info_t *info, long sector, int prot) int rcode; if (prot) - rcode = _flash_protect(info, info->start[sector]); + rcode = _flash_protect(info, info->start[sector]); else - rcode = _flash_unprotect(info, info->start[sector]); + rcode = _flash_unprotect(info, info->start[sector]); return rcode; } /* end flash_real_protect() */ /*----------------------------------------------------------------------- */ -