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@ -77,153 +77,144 @@ unsigned long flash_init (void) |
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unsigned long base_b0, base_b1; |
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/* Init: no FLASHes known */ |
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for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) { |
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for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) { |
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flash_info[i].flash_id = FLASH_UNKNOWN; |
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} |
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/* Static FLASH Bank configuration here - FIXME XXX */ |
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size_b0 = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]); |
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size_b0 = flash_get_size ((vu_long *) FLASH_BASE0_PRELIM, &flash_info[0]); |
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if (flash_info[0].flash_id == FLASH_UNKNOWN) { |
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printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", |
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size_b0, size_b0<<20); |
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size_b0, size_b0 << 20); |
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} |
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/* Only one bank */ |
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if (CFG_MAX_FLASH_BANKS == 1) |
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{ |
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/* Setup offsets */ |
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flash_get_offsets (FLASH_BASE0_PRELIM, &flash_info[0]); |
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/* Monitor protection ON by default */ |
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(void)flash_protect(FLAG_PROTECT_SET, |
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FLASH_BASE0_PRELIM, |
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FLASH_BASE0_PRELIM+CFG_MONITOR_LEN-1, |
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&flash_info[0]); |
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/* Also protect sector containing initial power-up instruction */ |
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(void)flash_protect(FLAG_PROTECT_SET, |
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0xFFFFFFFC, |
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0xFFFFFFFF, |
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&flash_info[0]); |
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size_b1 = 0 ; |
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flash_info[0].size = size_b0; |
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} |
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if (CFG_MAX_FLASH_BANKS == 1) { |
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/* Setup offsets */ |
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flash_get_offsets (FLASH_BASE0_PRELIM, &flash_info[0]); |
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/* Monitor protection ON by default */ |
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(void) flash_protect (FLAG_PROTECT_SET, |
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FLASH_BASE0_PRELIM, |
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FLASH_BASE0_PRELIM + CFG_MONITOR_LEN - 1, |
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&flash_info[0]); |
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/* Also protect sector containing initial power-up instruction */ |
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(void) flash_protect (FLAG_PROTECT_SET, |
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0xFFFFFFFC, 0xFFFFFFFF, &flash_info[0]); |
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size_b1 = 0; |
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flash_info[0].size = size_b0; |
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} |
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/* 2 banks */ |
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else |
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{ |
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size_b1 = flash_get_size((vu_long *)FLASH_BASE1_PRELIM, &flash_info[1]); |
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/* Re-do sizing to get full correct info */ |
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if (size_b1) |
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{ |
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mtdcr(ebccfga, pb0cr); |
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pbcr = mfdcr(ebccfgd); |
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mtdcr(ebccfga, pb0cr); |
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base_b1 = -size_b1; |
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pbcr = (pbcr & 0x0001ffff) | base_b1 | (((size_b1/1024/1024)-1)<<17); |
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mtdcr(ebccfgd, pbcr); |
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/* printf("pb1cr = %x\n", pbcr); */ |
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} |
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if (size_b0) |
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{ |
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mtdcr(ebccfga, pb1cr); |
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pbcr = mfdcr(ebccfgd); |
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mtdcr(ebccfga, pb1cr); |
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base_b0 = base_b1 - size_b0; |
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pbcr = (pbcr & 0x0001ffff) | base_b0 | (((size_b0/1024/1024)-1)<<17); |
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mtdcr(ebccfgd, pbcr); |
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/* printf("pb0cr = %x\n", pbcr); */ |
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} |
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size_b0 = flash_get_size((vu_long *)base_b0, &flash_info[0]); |
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flash_get_offsets (base_b0, &flash_info[0]); |
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/* monitor protection ON by default */ |
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(void)flash_protect(FLAG_PROTECT_SET, |
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base_b0+size_b0-CFG_MONITOR_LEN, |
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base_b0+size_b0-1, |
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&flash_info[0]); |
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/* Also protect sector containing initial power-up instruction */ |
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/* (flash_protect() checks address range - other call ignored) */ |
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(void)flash_protect(FLAG_PROTECT_SET, |
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0xFFFFFFFC, |
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0xFFFFFFFF, |
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&flash_info[0]); |
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(void)flash_protect(FLAG_PROTECT_SET, |
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0xFFFFFFFC, |
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0xFFFFFFFF, |
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&flash_info[1]); |
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if (size_b1) { |
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/* Re-do sizing to get full correct info */ |
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size_b1 = flash_get_size((vu_long *)base_b1, &flash_info[1]); |
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flash_get_offsets (base_b1, &flash_info[1]); |
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/* monitor protection ON by default */ |
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(void)flash_protect(FLAG_PROTECT_SET, |
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base_b1+size_b1-CFG_MONITOR_LEN, |
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base_b1+size_b1-1, |
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&flash_info[1]); |
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/* monitor protection OFF by default (one is enough) */ |
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(void)flash_protect(FLAG_PROTECT_CLEAR, |
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base_b0+size_b0-CFG_MONITOR_LEN, |
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base_b0+size_b0-1, |
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&flash_info[0]); |
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} else { |
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flash_info[1].flash_id = FLASH_UNKNOWN; |
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flash_info[1].sector_count = -1; |
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} |
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flash_info[0].size = size_b0; |
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flash_info[1].size = size_b1; |
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}/* else 2 banks */ |
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else { |
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size_b1 = flash_get_size ((vu_long *) FLASH_BASE1_PRELIM, &flash_info[1]); |
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/* Re-do sizing to get full correct info */ |
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if (size_b1) { |
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mtdcr (ebccfga, pb0cr); |
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pbcr = mfdcr (ebccfgd); |
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mtdcr (ebccfga, pb0cr); |
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base_b1 = -size_b1; |
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pbcr = (pbcr & 0x0001ffff) | base_b1 | |
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(((size_b1 / 1024 / 1024) - 1) << 17); |
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mtdcr (ebccfgd, pbcr); |
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/* printf("pb1cr = %x\n", pbcr); */ |
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} |
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if (size_b0) { |
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mtdcr (ebccfga, pb1cr); |
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pbcr = mfdcr (ebccfgd); |
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mtdcr (ebccfga, pb1cr); |
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base_b0 = base_b1 - size_b0; |
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pbcr = (pbcr & 0x0001ffff) | base_b0 | |
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(((size_b0 / 1024 / 1024) - 1) << 17); |
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mtdcr (ebccfgd, pbcr); |
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/* printf("pb0cr = %x\n", pbcr); */ |
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} |
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size_b0 = flash_get_size ((vu_long *) base_b0, &flash_info[0]); |
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flash_get_offsets (base_b0, &flash_info[0]); |
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/* monitor protection ON by default */ |
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(void) flash_protect (FLAG_PROTECT_SET, |
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base_b0 + size_b0 - CFG_MONITOR_LEN, |
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base_b0 + size_b0 - 1, &flash_info[0]); |
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/* Also protect sector containing initial power-up instruction */ |
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/* (flash_protect() checks address range - other call ignored) */ |
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(void) flash_protect (FLAG_PROTECT_SET, |
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0xFFFFFFFC, 0xFFFFFFFF, &flash_info[0]); |
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(void) flash_protect (FLAG_PROTECT_SET, |
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0xFFFFFFFC, 0xFFFFFFFF, &flash_info[1]); |
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if (size_b1) { |
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/* Re-do sizing to get full correct info */ |
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size_b1 = flash_get_size ((vu_long *) base_b1, &flash_info[1]); |
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flash_get_offsets (base_b1, &flash_info[1]); |
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/* monitor protection ON by default */ |
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(void) flash_protect (FLAG_PROTECT_SET, |
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base_b1 + size_b1 - CFG_MONITOR_LEN, |
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base_b1 + size_b1 - 1, |
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&flash_info[1]); |
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/* monitor protection OFF by default (one is enough) */ |
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(void) flash_protect (FLAG_PROTECT_CLEAR, |
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base_b0 + size_b0 - CFG_MONITOR_LEN, |
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base_b0 + size_b0 - 1, |
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&flash_info[0]); |
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} else { |
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flash_info[1].flash_id = FLASH_UNKNOWN; |
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flash_info[1].sector_count = -1; |
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} |
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flash_info[0].size = size_b0; |
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flash_info[1].size = size_b1; |
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} /* else 2 banks */ |
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return (size_b0 + size_b1); |
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} |
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/*-----------------------------------------------------------------------
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*/ |
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static void flash_get_offsets (ulong base, flash_info_t *info) |
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static void flash_get_offsets (ulong base, flash_info_t * info) |
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{ |
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int i; |
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/* set up sector start address table */ |
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if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) || |
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(info->flash_id == FLASH_AM040)){ |
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for (i = 0; i < info->sector_count; i++) |
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info->start[i] = base + (i * 0x00010000); |
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(info->flash_id == FLASH_AM040)) { |
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for (i = 0; i < info->sector_count; i++) |
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info->start[i] = base + (i * 0x00010000); |
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} else { |
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if (info->flash_id & FLASH_BTYPE) { |
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/* set sector offsets for bottom boot block type */ |
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info->start[0] = base + 0x00000000; |
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info->start[1] = base + 0x00004000; |
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info->start[2] = base + 0x00006000; |
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info->start[3] = base + 0x00008000; |
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for (i = 4; i < info->sector_count; i++) { |
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info->start[i] = base + (i * 0x00010000) - 0x00030000; |
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} |
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} else { |
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/* set sector offsets for top boot block type */ |
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i = info->sector_count - 1; |
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info->start[i--] = base + info->size - 0x00004000; |
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info->start[i--] = base + info->size - 0x00006000; |
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info->start[i--] = base + info->size - 0x00008000; |
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for (; i >= 0; i--) { |
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info->start[i] = base + i * 0x00010000; |
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if (info->flash_id & FLASH_BTYPE) { |
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/* set sector offsets for bottom boot block type */ |
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info->start[0] = base + 0x00000000; |
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info->start[1] = base + 0x00004000; |
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info->start[2] = base + 0x00006000; |
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info->start[3] = base + 0x00008000; |
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for (i = 4; i < info->sector_count; i++) { |
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info->start[i] = base + (i * 0x00010000) - 0x00030000; |
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} |
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} else { |
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/* set sector offsets for top boot block type */ |
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i = info->sector_count - 1; |
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info->start[i--] = base + info->size - 0x00004000; |
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info->start[i--] = base + info->size - 0x00006000; |
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info->start[i--] = base + info->size - 0x00008000; |
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for (; i >= 0; i--) { |
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info->start[i] = base + i * 0x00010000; |
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} |
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} |
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} |
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} |
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} |
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/*-----------------------------------------------------------------------
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*/ |
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void flash_print_info (flash_info_t *info) |
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void flash_print_info (flash_info_t * info) |
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{ |
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int i; |
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int k; |
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@ -274,39 +265,35 @@ void flash_print_info (flash_info_t *info) |
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info->size >> 10, info->sector_count); |
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printf (" Sector Start Addresses:"); |
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for (i=0; i<info->sector_count; ++i) { |
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for (i = 0; i < info->sector_count; ++i) { |
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/*
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* Check if whole sector is erased |
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*/ |
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if (i != (info->sector_count-1)) |
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size = info->start[i+1] - info->start[i]; |
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if (i != (info->sector_count - 1)) |
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size = info->start[i + 1] - info->start[i]; |
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else |
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size = info->start[0] + info->size - info->start[i]; |
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size = info->start[0] + info->size - info->start[i]; |
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erased = 1; |
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flash = (volatile unsigned long *)info->start[i]; |
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size = size >> 2; /* divide by 4 for longword access */ |
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for (k=0; k<size; k++) |
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{ |
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if (*flash++ != 0xffffffff) |
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{ |
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erased = 0; |
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break; |
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} |
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} |
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flash = (volatile unsigned long *) info->start[i]; |
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size = size >> 2; /* divide by 4 for longword access */ |
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for (k = 0; k < size; k++) { |
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if (*flash++ != 0xffffffff) { |
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erased = 0; |
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break; |
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} |
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} |
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if ((i % 5) == 0) |
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printf ("\n "); |
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#if 0 /* test-only */
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#if 0 /* test-only */
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printf (" %08lX%s", |
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info->start[i], |
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info->protect[i] ? " (RO)" : " " |
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info->start[i], info->protect[i] ? " (RO)" : " " |
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#else |
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printf (" %08lX%s%s", |
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info->start[i], |
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erased ? " E" : " ", |
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info->protect[i] ? "RO " : " " |
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erased ? " E" : " ", info->protect[i] ? "RO " : " " |
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#endif |
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); |
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); |
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} |
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printf ("\n"); |
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return; |
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@ -322,17 +309,17 @@ void flash_print_info (flash_info_t *info) |
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/*
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* The following code cannot be run from FLASH! |
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*/ |
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static ulong flash_get_size (vu_long *addr, flash_info_t *info) |
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static ulong flash_get_size (vu_long * addr, flash_info_t * info) |
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{ |
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short i; |
|
|
|
|
FLASH_WORD_SIZE value; |
|
|
|
|
ulong base = (ulong)addr; |
|
|
|
|
volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *)addr; |
|
|
|
|
ulong base = (ulong) addr; |
|
|
|
|
volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *) addr; |
|
|
|
|
|
|
|
|
|
/* Write auto select command: read Manufacturer ID */ |
|
|
|
|
addr2[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA; |
|
|
|
|
addr2[ADDR1] = (FLASH_WORD_SIZE)0x00550055; |
|
|
|
|
addr2[ADDR0] = (FLASH_WORD_SIZE)0x00900090; |
|
|
|
|
addr2[ADDR0] = (FLASH_WORD_SIZE) 0x00AA00AA; |
|
|
|
|
addr2[ADDR1] = (FLASH_WORD_SIZE) 0x00550055; |
|
|
|
|
addr2[ADDR0] = (FLASH_WORD_SIZE) 0x00900090; |
|
|
|
|
|
|
|
|
|
#ifdef CONFIG_ADCIOP |
|
|
|
|
value = addr2[2]; |
|
|
|
@ -341,126 +328,126 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info) |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
switch (value) { |
|
|
|
|
case (FLASH_WORD_SIZE)AMD_MANUFACT: |
|
|
|
|
case (FLASH_WORD_SIZE) AMD_MANUFACT: |
|
|
|
|
info->flash_id = FLASH_MAN_AMD; |
|
|
|
|
break; |
|
|
|
|
case (FLASH_WORD_SIZE)FUJ_MANUFACT: |
|
|
|
|
case (FLASH_WORD_SIZE) FUJ_MANUFACT: |
|
|
|
|
info->flash_id = FLASH_MAN_FUJ; |
|
|
|
|
break; |
|
|
|
|
case (FLASH_WORD_SIZE)SST_MANUFACT: |
|
|
|
|
case (FLASH_WORD_SIZE) SST_MANUFACT: |
|
|
|
|
info->flash_id = FLASH_MAN_SST; |
|
|
|
|
break; |
|
|
|
|
default: |
|
|
|
|
info->flash_id = FLASH_UNKNOWN; |
|
|
|
|
info->sector_count = 0; |
|
|
|
|
info->size = 0; |
|
|
|
|
return (0); /* no or unknown flash */ |
|
|
|
|
return (0); /* no or unknown flash */ |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
#ifdef CONFIG_ADCIOP |
|
|
|
|
value = addr2[0]; /* device ID */ |
|
|
|
|
value = addr2[0]; /* device ID */ |
|
|
|
|
/* printf("\ndev_code=%x\n", value); */ |
|
|
|
|
#else |
|
|
|
|
value = addr2[1]; /* device ID */ |
|
|
|
|
value = addr2[1]; /* device ID */ |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
switch (value) { |
|
|
|
|
case (FLASH_WORD_SIZE)AMD_ID_F040B: |
|
|
|
|
case (FLASH_WORD_SIZE) AMD_ID_F040B: |
|
|
|
|
info->flash_id += FLASH_AM040; |
|
|
|
|
info->sector_count = 8; |
|
|
|
|
info->size = 0x0080000; /* => 512 ko */ |
|
|
|
|
info->size = 0x0080000; /* => 512 ko */ |
|
|
|
|
break; |
|
|
|
|
case (FLASH_WORD_SIZE)AMD_ID_LV400T: |
|
|
|
|
case (FLASH_WORD_SIZE) AMD_ID_LV400T: |
|
|
|
|
info->flash_id += FLASH_AM400T; |
|
|
|
|
info->sector_count = 11; |
|
|
|
|
info->size = 0x00080000; |
|
|
|
|
break; /* => 0.5 MB */ |
|
|
|
|
break; /* => 0.5 MB */ |
|
|
|
|
|
|
|
|
|
case (FLASH_WORD_SIZE)AMD_ID_LV400B: |
|
|
|
|
case (FLASH_WORD_SIZE) AMD_ID_LV400B: |
|
|
|
|
info->flash_id += FLASH_AM400B; |
|
|
|
|
info->sector_count = 11; |
|
|
|
|
info->size = 0x00080000; |
|
|
|
|
break; /* => 0.5 MB */ |
|
|
|
|
break; /* => 0.5 MB */ |
|
|
|
|
|
|
|
|
|
case (FLASH_WORD_SIZE)AMD_ID_LV800T: |
|
|
|
|
case (FLASH_WORD_SIZE) AMD_ID_LV800T: |
|
|
|
|
info->flash_id += FLASH_AM800T; |
|
|
|
|
info->sector_count = 19; |
|
|
|
|
info->size = 0x00100000; |
|
|
|
|
break; /* => 1 MB */ |
|
|
|
|
break; /* => 1 MB */ |
|
|
|
|
|
|
|
|
|
case (FLASH_WORD_SIZE)AMD_ID_LV800B: |
|
|
|
|
case (FLASH_WORD_SIZE) AMD_ID_LV800B: |
|
|
|
|
info->flash_id += FLASH_AM800B; |
|
|
|
|
info->sector_count = 19; |
|
|
|
|
info->size = 0x00100000; |
|
|
|
|
break; /* => 1 MB */ |
|
|
|
|
break; /* => 1 MB */ |
|
|
|
|
|
|
|
|
|
case (FLASH_WORD_SIZE)AMD_ID_LV160T: |
|
|
|
|
case (FLASH_WORD_SIZE) AMD_ID_LV160T: |
|
|
|
|
info->flash_id += FLASH_AM160T; |
|
|
|
|
info->sector_count = 35; |
|
|
|
|
info->size = 0x00200000; |
|
|
|
|
break; /* => 2 MB */ |
|
|
|
|
break; /* => 2 MB */ |
|
|
|
|
|
|
|
|
|
case (FLASH_WORD_SIZE)AMD_ID_LV160B: |
|
|
|
|
case (FLASH_WORD_SIZE) AMD_ID_LV160B: |
|
|
|
|
info->flash_id += FLASH_AM160B; |
|
|
|
|
info->sector_count = 35; |
|
|
|
|
info->size = 0x00200000; |
|
|
|
|
break; /* => 2 MB */ |
|
|
|
|
#if 0 /* enable when device IDs are available */
|
|
|
|
|
case (FLASH_WORD_SIZE)AMD_ID_LV320T: |
|
|
|
|
break; /* => 2 MB */ |
|
|
|
|
#if 0 /* enable when device IDs are available */
|
|
|
|
|
case (FLASH_WORD_SIZE) AMD_ID_LV320T: |
|
|
|
|
info->flash_id += FLASH_AM320T; |
|
|
|
|
info->sector_count = 67; |
|
|
|
|
info->size = 0x00400000; |
|
|
|
|
break; /* => 4 MB */ |
|
|
|
|
break; /* => 4 MB */ |
|
|
|
|
|
|
|
|
|
case (FLASH_WORD_SIZE)AMD_ID_LV320B: |
|
|
|
|
case (FLASH_WORD_SIZE) AMD_ID_LV320B: |
|
|
|
|
info->flash_id += FLASH_AM320B; |
|
|
|
|
info->sector_count = 67; |
|
|
|
|
info->size = 0x00400000; |
|
|
|
|
break; /* => 4 MB */ |
|
|
|
|
break; /* => 4 MB */ |
|
|
|
|
#endif |
|
|
|
|
case (FLASH_WORD_SIZE)SST_ID_xF800A: |
|
|
|
|
case (FLASH_WORD_SIZE) SST_ID_xF800A: |
|
|
|
|
info->flash_id += FLASH_SST800A; |
|
|
|
|
info->sector_count = 16; |
|
|
|
|
info->size = 0x00100000; |
|
|
|
|
break; /* => 1 MB */ |
|
|
|
|
break; /* => 1 MB */ |
|
|
|
|
|
|
|
|
|
case (FLASH_WORD_SIZE)SST_ID_xF160A: |
|
|
|
|
case (FLASH_WORD_SIZE) SST_ID_xF160A: |
|
|
|
|
info->flash_id += FLASH_SST160A; |
|
|
|
|
info->sector_count = 32; |
|
|
|
|
info->size = 0x00200000; |
|
|
|
|
break; /* => 2 MB */ |
|
|
|
|
break; /* => 2 MB */ |
|
|
|
|
|
|
|
|
|
default: |
|
|
|
|
info->flash_id = FLASH_UNKNOWN; |
|
|
|
|
return (0); /* => no or unknown flash */ |
|
|
|
|
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_AM040)){ |
|
|
|
|
for (i = 0; i < info->sector_count; i++) |
|
|
|
|
info->start[i] = base + (i * 0x00010000); |
|
|
|
|
(info->flash_id == FLASH_AM040)) { |
|
|
|
|
for (i = 0; i < info->sector_count; 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; |
|
|
|
|
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 */ |
|
|
|
@ -468,14 +455,14 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info) |
|
|
|
|
/* read sector protection at sector address, (A7 .. A0) = 0x02 */ |
|
|
|
|
/* D0 = 1 if protected */ |
|
|
|
|
#ifdef CONFIG_ADCIOP |
|
|
|
|
addr2 = (volatile FLASH_WORD_SIZE *)(info->start[i]); |
|
|
|
|
addr2 = (volatile FLASH_WORD_SIZE *) (info->start[i]); |
|
|
|
|
info->protect[i] = addr2[4] & 1; |
|
|
|
|
#else |
|
|
|
|
addr2 = (volatile FLASH_WORD_SIZE *)(info->start[i]); |
|
|
|
|
addr2 = (volatile FLASH_WORD_SIZE *) (info->start[i]); |
|
|
|
|
if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) |
|
|
|
|
info->protect[i] = 0; |
|
|
|
|
info->protect[i] = 0; |
|
|
|
|
else |
|
|
|
|
info->protect[i] = addr2[2] & 1; |
|
|
|
|
info->protect[i] = addr2[2] & 1; |
|
|
|
|
#endif |
|
|
|
|
} |
|
|
|
|
|
|
|
|
@ -483,39 +470,39 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info) |
|
|
|
|
* Prevent writes to uninitialized FLASH. |
|
|
|
|
*/ |
|
|
|
|
if (info->flash_id != FLASH_UNKNOWN) { |
|
|
|
|
#if 0 /* test-only */
|
|
|
|
|
#if 0 /* test-only */
|
|
|
|
|
#ifdef CONFIG_ADCIOP |
|
|
|
|
addr2 = (volatile unsigned char *)info->start[0]; |
|
|
|
|
addr2 = (volatile unsigned char *) info->start[0]; |
|
|
|
|
addr2[ADDR0] = 0xAA; |
|
|
|
|
addr2[ADDR1] = 0x55; |
|
|
|
|
addr2[ADDR0] = 0xF0; /* reset bank */ |
|
|
|
|
addr2[ADDR0] = 0xF0; /* reset bank */ |
|
|
|
|
#else |
|
|
|
|
addr2 = (FLASH_WORD_SIZE *)info->start[0]; |
|
|
|
|
*addr2 = (FLASH_WORD_SIZE)0x00F000F0; /* reset bank */ |
|
|
|
|
addr2 = (FLASH_WORD_SIZE *) info->start[0]; |
|
|
|
|
*addr2 = (FLASH_WORD_SIZE) 0x00F000F0; /* reset bank */ |
|
|
|
|
#endif |
|
|
|
|
#else /* test-only */ |
|
|
|
|
addr2 = (FLASH_WORD_SIZE *)info->start[0]; |
|
|
|
|
*addr2 = (FLASH_WORD_SIZE)0x00F000F0; /* reset bank */ |
|
|
|
|
#else /* test-only */ |
|
|
|
|
addr2 = (FLASH_WORD_SIZE *) info->start[0]; |
|
|
|
|
*addr2 = (FLASH_WORD_SIZE) 0x00F000F0; /* reset bank */ |
|
|
|
|
#endif /* test-only */ |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
return (info->size); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
int wait_for_DQ7(flash_info_t *info, int sect) |
|
|
|
|
int wait_for_DQ7 (flash_info_t * info, int sect) |
|
|
|
|
{ |
|
|
|
|
ulong start, now, last; |
|
|
|
|
volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *)(info->start[sect]); |
|
|
|
|
volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *) (info->start[sect]); |
|
|
|
|
|
|
|
|
|
start = get_timer (0); |
|
|
|
|
last = 0; |
|
|
|
|
while ((addr[0] & (FLASH_WORD_SIZE)0x00800080) != (FLASH_WORD_SIZE)0x00800080) { |
|
|
|
|
if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) { |
|
|
|
|
last = 0; |
|
|
|
|
while ((addr[0] & (FLASH_WORD_SIZE) 0x00800080) != (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 */ |
|
|
|
|
if ((now - last) > 1000) { /* every second */ |
|
|
|
|
putc ('.'); |
|
|
|
|
last = now; |
|
|
|
|
} |
|
|
|
@ -526,9 +513,9 @@ int wait_for_DQ7(flash_info_t *info, int sect) |
|
|
|
|
/*-----------------------------------------------------------------------
|
|
|
|
|
*/ |
|
|
|
|
|
|
|
|
|
int flash_erase (flash_info_t *info, int s_first, int s_last) |
|
|
|
|
int flash_erase (flash_info_t * info, int s_first, int s_last) |
|
|
|
|
{ |
|
|
|
|
volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *)(info->start[0]); |
|
|
|
|
volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *) (info->start[0]); |
|
|
|
|
volatile FLASH_WORD_SIZE *addr2; |
|
|
|
|
int flag, prot, sect, l_sect; |
|
|
|
|
int i; |
|
|
|
@ -548,15 +535,14 @@ int flash_erase (flash_info_t *info, int s_first, int s_last) |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
prot = 0; |
|
|
|
|
for (sect=s_first; sect<=s_last; ++sect) { |
|
|
|
|
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); |
|
|
|
|
printf ("- Warning: %d protected sectors will not be erased!\n", prot); |
|
|
|
|
} else { |
|
|
|
|
printf ("\n"); |
|
|
|
|
} |
|
|
|
@ -564,46 +550,46 @@ int flash_erase (flash_info_t *info, int s_first, int s_last) |
|
|
|
|
l_sect = -1; |
|
|
|
|
|
|
|
|
|
/* Disable interrupts which might cause a timeout here */ |
|
|
|
|
flag = disable_interrupts(); |
|
|
|
|
flag = disable_interrupts (); |
|
|
|
|
|
|
|
|
|
/* Start erase on unprotected sectors */ |
|
|
|
|
for (sect = s_first; sect<=s_last; sect++) { |
|
|
|
|
for (sect = s_first; sect <= s_last; sect++) { |
|
|
|
|
if (info->protect[sect] == 0) { /* not protected */ |
|
|
|
|
addr2 = (FLASH_WORD_SIZE *)(info->start[sect]); |
|
|
|
|
printf("Erasing sector %p\n", addr2); /* CLH */ |
|
|
|
|
|
|
|
|
|
if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) { |
|
|
|
|
addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA; |
|
|
|
|
addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055; |
|
|
|
|
addr[ADDR0] = (FLASH_WORD_SIZE)0x00800080; |
|
|
|
|
addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA; |
|
|
|
|
addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055; |
|
|
|
|
addr2[0] = (FLASH_WORD_SIZE)0x00500050; /* block erase */ |
|
|
|
|
for (i=0; i<50; i++) |
|
|
|
|
udelay(1000); /* wait 1 ms */ |
|
|
|
|
} else { |
|
|
|
|
addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA; |
|
|
|
|
addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055; |
|
|
|
|
addr[ADDR0] = (FLASH_WORD_SIZE)0x00800080; |
|
|
|
|
addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA; |
|
|
|
|
addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055; |
|
|
|
|
addr2[0] = (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(info, sect); |
|
|
|
|
addr2 = (FLASH_WORD_SIZE *) (info->start[sect]); |
|
|
|
|
printf ("Erasing sector %p\n", addr2); /* CLH */ |
|
|
|
|
|
|
|
|
|
if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) { |
|
|
|
|
addr[ADDR0] = (FLASH_WORD_SIZE) 0x00AA00AA; |
|
|
|
|
addr[ADDR1] = (FLASH_WORD_SIZE) 0x00550055; |
|
|
|
|
addr[ADDR0] = (FLASH_WORD_SIZE) 0x00800080; |
|
|
|
|
addr[ADDR0] = (FLASH_WORD_SIZE) 0x00AA00AA; |
|
|
|
|
addr[ADDR1] = (FLASH_WORD_SIZE) 0x00550055; |
|
|
|
|
addr2[0] = (FLASH_WORD_SIZE) 0x00500050; /* block erase */ |
|
|
|
|
for (i = 0; i < 50; i++) |
|
|
|
|
udelay (1000); /* wait 1 ms */ |
|
|
|
|
} else { |
|
|
|
|
addr[ADDR0] = (FLASH_WORD_SIZE) 0x00AA00AA; |
|
|
|
|
addr[ADDR1] = (FLASH_WORD_SIZE) 0x00550055; |
|
|
|
|
addr[ADDR0] = (FLASH_WORD_SIZE) 0x00800080; |
|
|
|
|
addr[ADDR0] = (FLASH_WORD_SIZE) 0x00AA00AA; |
|
|
|
|
addr[ADDR1] = (FLASH_WORD_SIZE) 0x00550055; |
|
|
|
|
addr2[0] = (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 (info, sect); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
/* re-enable interrupts if necessary */ |
|
|
|
|
if (flag) |
|
|
|
|
enable_interrupts(); |
|
|
|
|
enable_interrupts (); |
|
|
|
|
|
|
|
|
|
/* wait at least 80us - let's wait 1 ms */ |
|
|
|
|
udelay (1000); |
|
|
|
@ -614,13 +600,13 @@ int flash_erase (flash_info_t *info, int s_first, int s_last) |
|
|
|
|
*/ |
|
|
|
|
if (l_sect < 0) |
|
|
|
|
goto DONE; |
|
|
|
|
wait_for_DQ7(info, l_sect); |
|
|
|
|
wait_for_DQ7 (info, l_sect); |
|
|
|
|
|
|
|
|
|
DONE: |
|
|
|
|
DONE: |
|
|
|
|
#endif |
|
|
|
|
/* reset to read mode */ |
|
|
|
|
addr = (FLASH_WORD_SIZE *)info->start[0]; |
|
|
|
|
addr[0] = (FLASH_WORD_SIZE)0x00F000F0; /* reset bank */ |
|
|
|
|
addr = (FLASH_WORD_SIZE *) info->start[0]; |
|
|
|
|
addr[0] = (FLASH_WORD_SIZE) 0x00F000F0; /* reset bank */ |
|
|
|
|
|
|
|
|
|
printf (" done\n"); |
|
|
|
|
return 0; |
|
|
|
@ -633,7 +619,7 @@ DONE: |
|
|
|
|
* 2 - Flash not erased |
|
|
|
|
*/ |
|
|
|
|
|
|
|
|
|
int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) |
|
|
|
|
int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) |
|
|
|
|
{ |
|
|
|
|
ulong cp, wp, data; |
|
|
|
|
int i, l, rc; |
|
|
|
@ -645,19 +631,19 @@ int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) |
|
|
|
|
*/ |
|
|
|
|
if ((l = addr - wp) != 0) { |
|
|
|
|
data = 0; |
|
|
|
|
for (i=0, cp=wp; i<l; ++i, ++cp) { |
|
|
|
|
data = (data << 8) | (*(uchar *)cp); |
|
|
|
|
for (i = 0, cp = wp; i < l; ++i, ++cp) { |
|
|
|
|
data = (data << 8) | (*(uchar *) cp); |
|
|
|
|
} |
|
|
|
|
for (; i<4 && cnt>0; ++i) { |
|
|
|
|
for (; i < 4 && cnt > 0; ++i) { |
|
|
|
|
data = (data << 8) | *src++; |
|
|
|
|
--cnt; |
|
|
|
|
++cp; |
|
|
|
|
} |
|
|
|
|
for (; cnt==0 && i<4; ++i, ++cp) { |
|
|
|
|
data = (data << 8) | (*(uchar *)cp); |
|
|
|
|
for (; cnt == 0 && i < 4; ++i, ++cp) { |
|
|
|
|
data = (data << 8) | (*(uchar *) cp); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
if ((rc = write_word(info, wp, data)) != 0) { |
|
|
|
|
if ((rc = write_word (info, wp, data)) != 0) { |
|
|
|
|
return (rc); |
|
|
|
|
} |
|
|
|
|
wp += 4; |
|
|
|
@ -668,13 +654,13 @@ int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) |
|
|
|
|
*/ |
|
|
|
|
while (cnt >= 4) { |
|
|
|
|
data = 0; |
|
|
|
|
for (i=0; i<4; ++i) { |
|
|
|
|
for (i = 0; i < 4; ++i) { |
|
|
|
|
data = (data << 8) | *src++; |
|
|
|
|
} |
|
|
|
|
if ((rc = write_word(info, wp, data)) != 0) { |
|
|
|
|
if ((rc = write_word (info, wp, data)) != 0) { |
|
|
|
|
return (rc); |
|
|
|
|
} |
|
|
|
|
wp += 4; |
|
|
|
|
wp += 4; |
|
|
|
|
cnt -= 4; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
@ -686,15 +672,15 @@ int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) |
|
|
|
|
* handle unaligned tail bytes |
|
|
|
|
*/ |
|
|
|
|
data = 0; |
|
|
|
|
for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) { |
|
|
|
|
for (i = 0, cp = wp; i < 4 && cnt > 0; ++i, ++cp) { |
|
|
|
|
data = (data << 8) | *src++; |
|
|
|
|
--cnt; |
|
|
|
|
} |
|
|
|
|
for (; i<4; ++i, ++cp) { |
|
|
|
|
data = (data << 8) | (*(uchar *)cp); |
|
|
|
|
for (; i < 4; ++i, ++cp) { |
|
|
|
|
data = (data << 8) | (*(uchar *) cp); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
return (write_word(info, wp, data)); |
|
|
|
|
return (write_word (info, wp, data)); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
/*-----------------------------------------------------------------------
|
|
|
|
@ -713,7 +699,7 @@ static int write_word (flash_info_t * info, ulong dest, ulong data) |
|
|
|
|
|
|
|
|
|
/* Check if Flash is (sufficiently) erased */ |
|
|
|
|
if ((*((volatile FLASH_WORD_SIZE *) dest) & |
|
|
|
|
(FLASH_WORD_SIZE) data) != (FLASH_WORD_SIZE) data) { |
|
|
|
|
(FLASH_WORD_SIZE) data) != (FLASH_WORD_SIZE) data) { |
|
|
|
|
return (2); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|