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Diffstat (limited to 'board/dave/common/flash.c')
-rw-r--r--board/dave/common/flash.c196
1 files changed, 98 insertions, 98 deletions
diff --git a/board/dave/common/flash.c b/board/dave/common/flash.c
index 3cdbaa9..feea093 100644
--- a/board/dave/common/flash.c
+++ b/board/dave/common/flash.c
@@ -40,11 +40,11 @@ static void flash_get_offsets (ulong base, flash_info_t *info)
short n;
/* 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_TYPEMASK) == FLASH_AM640U)) {
for (i = 0; i < info->sector_count; i++)
info->start[i] = base + (i * 0x00010000);
- } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322B) ||
+ } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322B) ||
((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323B) ||
((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) ||
((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324B)) {
@@ -58,7 +58,7 @@ static void flash_get_offsets (ulong base, flash_info_t *info)
base += 64 << 10;
++i;
}
- } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322T) ||
+ } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322T) ||
((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323T) ||
((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) ||
((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324T)) {
@@ -75,7 +75,7 @@ static void flash_get_offsets (ulong base, flash_info_t *info)
--i;
info->start[i] = base;
}
- } else {
+ } else {
if (info->flash_id & FLASH_BTYPE) {
/* set sector offsets for bottom boot block type */
info->start[0] = base + 0x00000000;
@@ -103,10 +103,10 @@ static void flash_get_offsets (ulong base, flash_info_t *info)
void flash_print_info (flash_info_t *info)
{
int i;
- int k;
- int size;
- int erased;
- volatile unsigned long *flash;
+ int k;
+ int size;
+ int erased;
+ volatile unsigned long *flash;
if (info->flash_id == FLASH_UNKNOWN) {
printf ("missing or unknown FLASH type\n");
@@ -164,28 +164,28 @@ void flash_print_info (flash_info_t *info)
printf (" Sector Start Addresses:");
for (i=0; i<info->sector_count; ++i) {
#ifdef CFG_FLASH_EMPTY_INFO
- /*
- * 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; k<size; k++)
- {
- if (*flash++ != 0xffffffff)
- {
- erased = 0;
- break;
- }
- }
+ /*
+ * 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; k<size; k++)
+ {
+ if (*flash++ != 0xffffffff)
+ {
+ erased = 0;
+ break;
+ }
+ }
if ((i % 5) == 0)
printf ("\n ");
- /* print empty and read-only info */
+ /* print empty and read-only info */
printf (" %08lX%s%s",
info->start[i],
erased ? " E" : " ",
@@ -219,7 +219,7 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
short n;
CFG_FLASH_WORD_SIZE value;
ulong base = (ulong)addr;
- volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *)addr;
+ volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *)addr;
/* Write auto select command: read Manufacturer ID */
addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA;
@@ -288,42 +288,42 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
break; /* => 2 MB */
case (CFG_FLASH_WORD_SIZE)STM_ID_29W320DT:
- info->flash_id += FLASH_STMW320DT;
- info->sector_count = 67;
+ info->flash_id += FLASH_STMW320DT;
+ info->sector_count = 67;
info->size = 0x00400000; break; /* => 4 MB */
case (CFG_FLASH_WORD_SIZE)AMD_ID_LV320T:
- info->flash_id += FLASH_AM320T;
- info->sector_count = 71;
+ info->flash_id += FLASH_AM320T;
+ info->sector_count = 71;
info->size = 0x00400000; break; /* => 4 MB */
case (CFG_FLASH_WORD_SIZE)AMD_ID_LV320B:
- info->flash_id += FLASH_AM320B;
+ info->flash_id += FLASH_AM320B;
info->sector_count = 71;
info->size = 0x00400000; break; /* => 4 MB */
case (CFG_FLASH_WORD_SIZE)AMD_ID_DL322T:
- info->flash_id += FLASH_AMDL322T;
- info->sector_count = 71;
+ info->flash_id += FLASH_AMDL322T;
+ info->sector_count = 71;
info->size = 0x00400000; break; /* => 4 MB */
case (CFG_FLASH_WORD_SIZE)AMD_ID_DL322B:
- info->flash_id += FLASH_AMDL322B;
+ info->flash_id += FLASH_AMDL322B;
info->sector_count = 71;
info->size = 0x00400000; break; /* => 4 MB */
case (CFG_FLASH_WORD_SIZE)AMD_ID_DL323T:
- info->flash_id += FLASH_AMDL323T;
+ info->flash_id += FLASH_AMDL323T;
info->sector_count = 71;
info->size = 0x00400000; break; /* => 4 MB */
case (CFG_FLASH_WORD_SIZE)AMD_ID_DL323B:
- info->flash_id += FLASH_AMDL323B;
+ info->flash_id += FLASH_AMDL323B;
info->sector_count = 71;
info->size = 0x00400000; break; /* => 4 MB */
case (CFG_FLASH_WORD_SIZE)AMD_ID_LV640U:
- info->flash_id += FLASH_AM640U;
+ info->flash_id += FLASH_AM640U;
info->sector_count = 128;
info->size = 0x00800000; break; /* => 8 MB */
@@ -346,11 +346,11 @@ 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_TYPEMASK) == FLASH_AM640U)) {
for (i = 0; i < info->sector_count; i++)
info->start[i] = base + (i * 0x00010000);
- } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322B) ||
+ } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322B) ||
((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323B) ||
((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) ||
((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324B)) {
@@ -364,7 +364,7 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
base += 64 << 10;
++i;
}
- } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322T) ||
+ } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322T) ||
((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323T) ||
((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) ||
((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324T)) {
@@ -381,13 +381,13 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
--i;
info->start[i] = base;
}
- } else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT) {
+ } 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 */
+ /* 1 x 16k boot sector */
base -= 16 << 10;
- --i;
+ --i;
info->start[i] = base;
/* 2 x 8k boot sectors */
for (n=0; n<2; ++n) {
@@ -395,9 +395,9 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
--i;
info->start[i] = base;
}
- /* 1 x 32k boot sector */
+ /* 1 x 32k boot sector */
base -= 32 << 10;
- --i;
+ --i;
info->start[i] = base;
while (i > 0) { /* 64k regular sectors */
@@ -405,7 +405,7 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
--i;
info->start[i] = base;
}
- } else {
+ } else {
if (info->flash_id & FLASH_BTYPE) {
/* set sector offsets for bottom boot block type */
info->start[0] = base + 0x00000000;
@@ -432,10 +432,10 @@ 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 */
addr2 = (volatile CFG_FLASH_WORD_SIZE *)(info->start[i]);
- if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST)
- info->protect[i] = 0;
- else
- info->protect[i] = addr2[CFG_FLASH_READ2] & 1;
+ if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST)
+ info->protect[i] = 0;
+ else
+ info->protect[i] = addr2[CFG_FLASH_READ2] & 1;
}
/*
@@ -459,7 +459,7 @@ int flash_erase (flash_info_t *info, int s_first, int s_last)
volatile CFG_FLASH_WORD_SIZE *addr2;
int flag, prot, sect, l_sect;
ulong start, now, last;
- int i;
+ int i;
if ((s_first < 0) || (s_first > s_last)) {
if (info->flash_id == FLASH_UNKNOWN) {
@@ -498,25 +498,25 @@ int flash_erase (flash_info_t *info, int s_first, int s_last)
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 {
- if (sect == s_first) {
- 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 */
- }
+ 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 {
+ if (sect == s_first) {
+ 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;
}
}
@@ -637,42 +637,42 @@ 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 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;
+ 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 flag;
- int i;
+ int i;
/* Check if Flash is (sufficiently) erased */
if ((*((volatile CFG_FLASH_WORD_SIZE *)dest) &
- (CFG_FLASH_WORD_SIZE)data) != (CFG_FLASH_WORD_SIZE)data) {
+ (CFG_FLASH_WORD_SIZE)data) != (CFG_FLASH_WORD_SIZE)data) {
return (2);
}
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
- for (i=0; i<4/sizeof(CFG_FLASH_WORD_SIZE); i++)
- {
- 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);
- }
- }
- }
+ for (i=0; i<4/sizeof(CFG_FLASH_WORD_SIZE); i++)
+ {
+ 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);
}
generated by cgit v1.1 at 2024-11-28 00:51:55 +0000