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path: root/board/bmw/flash.c
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Diffstat (limited to 'board/bmw/flash.c')
-rw-r--r--board/bmw/flash.c426
1 files changed, 212 insertions, 214 deletions
diff --git a/board/bmw/flash.c b/board/bmw/flash.c
index be62274..e04af97 100644
--- a/board/bmw/flash.c
+++ b/board/bmw/flash.c
@@ -91,7 +91,6 @@ byte_parity_odd(unsigned char x)
#endif /* 0 */
-
static unsigned long
flash_id(unsigned char mfct, unsigned char chip)
{
@@ -135,7 +134,6 @@ flash_id(unsigned char mfct, unsigned char chip)
}
-
unsigned long
flash_init(void)
{
@@ -181,9 +179,9 @@ flash_init(void)
switch(pflinfo->flash_id & FLASH_TYPEMASK)
{
case FLASH_AM040:
- pflinfo->size = 0x00080000;
+ pflinfo->size = 0x00080000;
pflinfo->sector_count = 8;
- for(j = 0; j < 8; j++)
+ for(j = 0; j < 8; j++)
{
pflinfo->start[j] = base_address + 0x00010000 * j;
pflinfo->protect[j] = flash[(j << 16) | 0x2];
@@ -201,16 +199,16 @@ flash_init(void)
pflinfo->start[j+3] = base_address + 0x00010000 * j;
}
#if 0
- /* check for protected sectors */
- for (j = 0; j < pflinfo->sector_count; j++) {
- /* read sector protection at sector address, (A7 .. A0) = 0x02 */
- /* D0 = 1 if protected */
- addr2 = (volatile FLASH_WORD_SIZE *)(pflinfo->start[j]);
- if (pflinfo->flash_id & FLASH_MAN_SST)
- pflinfo->protect[j] = 0;
- else
- pflinfo->protect[j] = addr2[2] & 1;
- }
+ /* check for protected sectors */
+ for (j = 0; j < pflinfo->sector_count; j++) {
+ /* read sector protection at sector address, (A7 .. A0) = 0x02 */
+ /* D0 = 1 if protected */
+ addr2 = (volatile FLASH_WORD_SIZE *)(pflinfo->start[j]);
+ if (pflinfo->flash_id & FLASH_MAN_SST)
+ pflinfo->protect[j] = 0;
+ else
+ pflinfo->protect[j] = addr2[2] & 1;
+ }
#endif
break;
}
@@ -245,30 +243,30 @@ flash_get_offsets (ulong base, flash_info_t *info)
int i;
/* set up sector start address table */
- if (info->flash_id & FLASH_MAN_SST)
- {
- for (i = 0; i < info->sector_count; i++)
- info->start[i] = base + (i * 0x00010000);
- }
- else
+ if (info->flash_id & FLASH_MAN_SST)
+ {
+ 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;
- }
+ /* 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;
- }
+ /* 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;
+ }
}
}
@@ -367,7 +365,7 @@ flash_get_size (vu_long *addr, flash_info_t *info)
short i;
FLASH_WORD_SIZE value;
ulong base = (ulong)addr;
- volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *)addr;
+ volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *)addr;
printf("flash_get_size: \n");
/* Write auto select command: read Manufacturer ID */
@@ -379,123 +377,123 @@ flash_get_size (vu_long *addr, flash_info_t *info)
switch (value) {
case (FLASH_WORD_SIZE)AMD_MANUFACT:
- info->flash_id = FLASH_MAN_AMD;
- break;
+ info->flash_id = FLASH_MAN_AMD;
+ break;
case (FLASH_WORD_SIZE)FUJ_MANUFACT:
- info->flash_id = FLASH_MAN_FUJ;
- break;
+ info->flash_id = FLASH_MAN_FUJ;
+ break;
case (FLASH_WORD_SIZE)SST_MANUFACT:
- info->flash_id = FLASH_MAN_SST;
- break;
+ 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 */
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0;
+ return (0); /* no or unknown flash */
}
printf("recognised manufacturer");
value = addr2[ADDR3]; /* device ID */
- debug ("\ndev_code=%x\n", value);
+ debug ("\ndev_code=%x\n", value);
switch (value) {
case (FLASH_WORD_SIZE)AMD_ID_LV400T:
- info->flash_id += FLASH_AM400T;
- info->sector_count = 11;
- info->size = 0x00080000;
- break; /* => 0.5 MB */
+ info->flash_id += FLASH_AM400T;
+ info->sector_count = 11;
+ info->size = 0x00080000;
+ break; /* => 0.5 MB */
case (FLASH_WORD_SIZE)AMD_ID_LV400B:
- info->flash_id += FLASH_AM400B;
- info->sector_count = 11;
- info->size = 0x00080000;
- break; /* => 0.5 MB */
+ info->flash_id += FLASH_AM400B;
+ info->sector_count = 11;
+ info->size = 0x00080000;
+ break; /* => 0.5 MB */
case (FLASH_WORD_SIZE)AMD_ID_LV800T:
- info->flash_id += FLASH_AM800T;
- info->sector_count = 19;
- info->size = 0x00100000;
- break; /* => 1 MB */
+ info->flash_id += FLASH_AM800T;
+ info->sector_count = 19;
+ info->size = 0x00100000;
+ break; /* => 1 MB */
case (FLASH_WORD_SIZE)AMD_ID_LV800B:
- info->flash_id += FLASH_AM800B;
- info->sector_count = 19;
- info->size = 0x00100000;
- break; /* => 1 MB */
+ info->flash_id += FLASH_AM800B;
+ info->sector_count = 19;
+ info->size = 0x00100000;
+ break; /* => 1 MB */
case (FLASH_WORD_SIZE)AMD_ID_LV160T:
- info->flash_id += FLASH_AM160T;
- info->sector_count = 35;
- info->size = 0x00200000;
- break; /* => 2 MB */
+ info->flash_id += FLASH_AM160T;
+ info->sector_count = 35;
+ info->size = 0x00200000;
+ break; /* => 2 MB */
case (FLASH_WORD_SIZE)AMD_ID_LV160B:
- info->flash_id += FLASH_AM160B;
- info->sector_count = 35;
- info->size = 0x00200000;
- break; /* => 2 MB */
+ info->flash_id += FLASH_AM160B;
+ info->sector_count = 35;
+ info->size = 0x00200000;
+ break; /* => 2 MB */
case (FLASH_WORD_SIZE)SST_ID_xF800A:
- info->flash_id += FLASH_SST800A;
- info->sector_count = 16;
- info->size = 0x00100000;
- break; /* => 1 MB */
+ info->flash_id += FLASH_SST800A;
+ info->sector_count = 16;
+ info->size = 0x00100000;
+ break; /* => 1 MB */
case (FLASH_WORD_SIZE)SST_ID_xF160A:
- info->flash_id += FLASH_SST160A;
- info->sector_count = 32;
- info->size = 0x00200000;
- break; /* => 2 MB */
+ info->flash_id += FLASH_SST160A;
+ info->sector_count = 32;
+ info->size = 0x00200000;
+ break; /* => 2 MB */
case (FLASH_WORD_SIZE)AMD_ID_F040B:
- info->flash_id += FLASH_AM040;
- info->sector_count = 8;
- info->size = 0x00080000;
- break; /* => 0.5 MB */
+ info->flash_id += FLASH_AM040;
+ info->sector_count = 8;
+ info->size = 0x00080000;
+ break; /* => 0.5 MB */
default:
- info->flash_id = FLASH_UNKNOWN;
- return (0); /* => no or unknown flash */
+ info->flash_id = FLASH_UNKNOWN;
+ return (0); /* => no or unknown flash */
}
printf("flash id %lx; sector count %x, size %lx\n", info->flash_id,info->sector_count,info->size);
/* set up sector start address table */
- if (info->flash_id & FLASH_MAN_SST)
- {
- for (i = 0; i < info->sector_count; i++)
- info->start[i] = base + (i * 0x00010000);
- }
- else
+ if (info->flash_id & FLASH_MAN_SST)
+ {
+ 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;
- }
+ /* 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;
- }
+ /* 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 FLASH_WORD_SIZE *)(info->start[i]);
- if (info->flash_id & FLASH_MAN_SST)
- info->protect[i] = 0;
- else
- info->protect[i] = addr2[2] & 1;
+ /* read sector protection at sector address, (A7 .. A0) = 0x02 */
+ /* D0 = 1 if protected */
+ addr2 = (volatile FLASH_WORD_SIZE *)(info->start[i]);
+ if (info->flash_id & FLASH_MAN_SST)
+ info->protect[i] = 0;
+ else
+ info->protect[i] = addr2[2] & 1;
}
/*
@@ -503,7 +501,7 @@ flash_get_size (vu_long *addr, flash_info_t *info)
*/
if (info->flash_id != FLASH_UNKNOWN) {
addr2 = (FLASH_WORD_SIZE *)info->start[0];
- *addr2 = (FLASH_WORD_SIZE)0x00F000F0; /* reset bank */
+ *addr2 = (FLASH_WORD_SIZE)0x00F000F0; /* reset bank */
}
return (info->size);
@@ -521,32 +519,32 @@ flash_erase(flash_info_t *info, int s_first, int s_last)
unsigned char sh8b;
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;
}
if ((info->flash_id == FLASH_UNKNOWN) ||
- (info->flash_id > (FLASH_MAN_STM | FLASH_AMD_COMP))) {
- printf ("Can't erase unknown flash type - aborted\n");
- return 1;
+ (info->flash_id > (FLASH_MAN_STM | FLASH_AMD_COMP))) {
+ 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 (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");
}
l_sect = -1;
@@ -568,28 +566,28 @@ flash_erase(flash_info_t *info, int s_first, int s_last)
/* Start erase on unprotected sectors */
for (sect = s_first; sect<=s_last; sect++) {
- if (info->protect[sect] == 0) { /* not protected */
- addr = (FLASH_WORD_SIZE *)(info->start[0] + (
+ if (info->protect[sect] == 0) { /* not protected */
+ addr = (FLASH_WORD_SIZE *)(info->start[0] + (
(info->start[sect] - info->start[0]) << sh8b));
- if (info->flash_id & FLASH_MAN_SST)
- {
- addr[ADDR0 << sh8b] = (FLASH_WORD_SIZE)0x00AA00AA;
- addr[ADDR1 << sh8b] = (FLASH_WORD_SIZE)0x00550055;
- addr[ADDR0 << sh8b] = (FLASH_WORD_SIZE)0x00800080;
- addr[ADDR0 << sh8b] = (FLASH_WORD_SIZE)0x00AA00AA;
- addr[ADDR1 << sh8b] = (FLASH_WORD_SIZE)0x00550055;
- addr[0] = (FLASH_WORD_SIZE)0x00500050; /* block erase */
- udelay(30000); /* wait 30 ms */
- }
- else
- addr[0] = (FLASH_WORD_SIZE)0x00300030; /* sector erase */
- l_sect = sect;
- }
+ if (info->flash_id & FLASH_MAN_SST)
+ {
+ addr[ADDR0 << sh8b] = (FLASH_WORD_SIZE)0x00AA00AA;
+ addr[ADDR1 << sh8b] = (FLASH_WORD_SIZE)0x00550055;
+ addr[ADDR0 << sh8b] = (FLASH_WORD_SIZE)0x00800080;
+ addr[ADDR0 << sh8b] = (FLASH_WORD_SIZE)0x00AA00AA;
+ addr[ADDR1 << sh8b] = (FLASH_WORD_SIZE)0x00550055;
+ addr[0] = (FLASH_WORD_SIZE)0x00500050; /* block erase */
+ udelay(30000); /* wait 30 ms */
+ }
+ else
+ addr[0] = (FLASH_WORD_SIZE)0x00300030; /* sector erase */
+ l_sect = sect;
+ }
}
/* re-enable interrupts if necessary */
if (flag)
- enable_interrupts();
+ enable_interrupts();
/* wait at least 80us - let's wait 1 ms */
udelay (1000);
@@ -598,22 +596,22 @@ flash_erase(flash_info_t *info, int s_first, int s_last)
* We wait for the last triggered sector
*/
if (l_sect < 0)
- goto DONE;
+ goto DONE;
start = get_timer (0);
last = start;
addr = (FLASH_WORD_SIZE *)(info->start[0] + (
(info->start[l_sect] - info->start[0]) << sh8b));
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 */
- serial_putc ('.');
- last = now;
- }
+ 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 */
+ serial_putc ('.');
+ last = now;
+ }
}
DONE:
@@ -643,42 +641,42 @@ int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
* handle unaligned start bytes
*/
if ((l = addr - wp) != 0) {
- data = 0;
- for (i=0, cp=wp; i<l; ++i, ++cp) {
- data = (data << 8) | (*(uchar *)cp);
- }
- for (; i<4 && cnt>0; ++i) {
- data = (data << 8) | *src++;
- --cnt;
- ++cp;
- }
- for (; cnt==0 && i<4; ++i, ++cp) {
- data = (data << 8) | (*(uchar *)cp);
- }
-
- if ((rc = write_word(info, wp, data)) != 0) {
- return (rc);
- }
- wp += 4;
+ data = 0;
+ for (i=0, cp=wp; i<l; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *)cp);
+ }
+ for (; i<4 && cnt>0; ++i) {
+ data = (data << 8) | *src++;
+ --cnt;
+ ++cp;
+ }
+ for (; cnt==0 && i<4; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *)cp);
+ }
+
+ if ((rc = write_word(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_word(info, wp, data)) != 0) {
- return (rc);
- }
- wp += 4;
- cnt -= 4;
+ data = 0;
+ for (i=0; i<4; ++i) {
+ data = (data << 8) | *src++;
+ }
+ if ((rc = write_word(info, wp, data)) != 0) {
+ return (rc);
+ }
+ wp += 4;
+ cnt -= 4;
}
if (cnt == 0) {
- return (0);
+ return (0);
}
/*
@@ -686,11 +684,11 @@ int write_buff (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_word(info, wp, data));
@@ -704,12 +702,12 @@ int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
*/
static int write_word (flash_info_t *info, ulong dest, ulong data)
{
- volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *)info->start[0];
- volatile FLASH_WORD_SIZE *dest2;
- volatile FLASH_WORD_SIZE *data2 = (FLASH_WORD_SIZE *)&data;
+ volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *)info->start[0];
+ volatile FLASH_WORD_SIZE *dest2;
+ volatile FLASH_WORD_SIZE *data2 = (FLASH_WORD_SIZE *)&data;
ulong start;
int flag;
- int i;
+ int i;
unsigned char sh8b;
/* Check the ROM CS */
@@ -723,32 +721,32 @@ static int write_word (flash_info_t *info, ulong dest, ulong data)
/* Check if Flash is (sufficiently) erased */
if ((*dest2 & (FLASH_WORD_SIZE)data) != (FLASH_WORD_SIZE)data) {
- return (2);
+ return (2);
}
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
- for (i=0; i<4/sizeof(FLASH_WORD_SIZE); i++)
- {
- addr2[ADDR0 << sh8b] = (FLASH_WORD_SIZE)0x00AA00AA;
- addr2[ADDR1 << sh8b] = (FLASH_WORD_SIZE)0x00550055;
- addr2[ADDR0 << sh8b] = (FLASH_WORD_SIZE)0x00A000A0;
-
- dest2[i << sh8b] = data2[i];
-
- /* re-enable interrupts if necessary */
- if (flag)
- enable_interrupts();
-
- /* data polling for D7 */
- start = get_timer (0);
- while ((dest2[i << sh8b] & (FLASH_WORD_SIZE)0x00800080) !=
- (data2[i] & (FLASH_WORD_SIZE)0x00800080)) {
- if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
- return (1);
- }
- }
- }
+ for (i=0; i<4/sizeof(FLASH_WORD_SIZE); i++)
+ {
+ addr2[ADDR0 << sh8b] = (FLASH_WORD_SIZE)0x00AA00AA;
+ addr2[ADDR1 << sh8b] = (FLASH_WORD_SIZE)0x00550055;
+ addr2[ADDR0 << sh8b] = (FLASH_WORD_SIZE)0x00A000A0;
+
+ dest2[i << sh8b] = data2[i];
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ /* data polling for D7 */
+ start = get_timer (0);
+ while ((dest2[i << sh8b] & (FLASH_WORD_SIZE)0x00800080) !=
+ (data2[i] & (FLASH_WORD_SIZE)0x00800080)) {
+ if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
+ return (1);
+ }
+ }
+ }
return (0);
}
generated by cgit v1.1 at 2024-11-20 11:42:00 +0000