/* 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;
}
/* initialise 1st flash */
if (flash_info[0].flash_id == FLASH_UNKNOWN)
{
- printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
- size1, size1<<20);
+ printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
+ size1, size1<<20);
}
/* initialise 2nd flash */
if (flash_info[1].flash_id == FLASH_UNKNOWN)
{
- printf ("## Unknown FLASH on Bank 1 - Size = 0x%08lx = %ld MB\n",
- size2, size2<<20);
+ printf ("## Unknown FLASH on Bank 1 - Size = 0x%08lx = %ld MB\n",
+ size2, size2<<20);
}
/* monitor protection ON by default */
if (size1 == 512*1024)
{
- (void)flash_protect(FLAG_PROTECT_SET,
- FLASH_BASE0_PRELIM,
- FLASH_BASE0_PRELIM+monitor_flash_len-1,
- &flash_info[0]);
+ (void)flash_protect(FLAG_PROTECT_SET,
+ FLASH_BASE0_PRELIM,
+ FLASH_BASE0_PRELIM+monitor_flash_len-1,
+ &flash_info[0]);
}
if (size2 == 512*1024)
{
- (void)flash_protect(FLAG_PROTECT_SET,
- FLASH_BASE1_PRELIM,
- FLASH_BASE1_PRELIM+monitor_flash_len-1,
- &flash_info[1]);
+ (void)flash_protect(FLAG_PROTECT_SET,
+ FLASH_BASE1_PRELIM,
+ FLASH_BASE1_PRELIM+monitor_flash_len-1,
+ &flash_info[1]);
}
if (size2 == 4*1024*1024)
{
- (void)flash_protect(FLAG_PROTECT_SET,
- CFG_FLASH_BASE,
- CFG_FLASH_BASE+monitor_flash_len-1,
- &flash_info[1]);
+ (void)flash_protect(FLAG_PROTECT_SET,
+ CFG_FLASH_BASE,
+ CFG_FLASH_BASE+monitor_flash_len-1,
+ &flash_info[1]);
}
return (size1 + size2);
volatile unsigned long *flash;
if (info->flash_id == FLASH_UNKNOWN) {
- printf ("missing or unknown FLASH type\n");
- flash_init();
+ printf ("missing or unknown FLASH type\n");
+ flash_init();
}
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 ("AMD ");
- break;
+ printf ("AMD ");
+ break;
default:
- printf ("Unknown Vendor ");
- break;
+ printf ("Unknown Vendor ");
+ break;
}
switch (info->flash_id & FLASH_TYPEMASK) {
case AMD_ID_F040B:
- printf ("AM29F040B (4 Mbit)\n");
- break;
+ printf ("AM29F040B (4 Mbit)\n");
+ break;
case AMD_ID_F016D:
- printf ("AM29F016D (16 Mbit)\n");
- break;
+ printf ("AM29F016D (16 Mbit)\n");
+ break;
case AMD_ID_F032B:
- printf ("AM29F032B (32 Mbit)\n");
- break;
+ printf ("AM29F032B (32 Mbit)\n");
+ break;
default:
- printf ("Unknown Chip Type\n");
- break;
+ printf ("Unknown Chip Type\n");
+ break;
}
if (info->size >= (1 << 20)) {
- printf (" Size: %ld MB in %d Sectors\n", info->size >> 20, info->sector_count);
+ printf (" Size: %ld MB in %d Sectors\n", info->size >> 20, 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; i<info->sector_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; k<size; k++) {
- if (*flash++ != 0xffffffff) {
- erased = 0;
- break;
- }
- }
-
- if ((i % 5) == 0)
- printf ("\n ");
-
- printf (" %08lX%s%s",
- info->start[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; k<size; k++) {
+ if (*flash++ != 0xffffffff) {
+ erased = 0;
+ break;
+ }
+ }
+
+ if ((i % 5) == 0)
+ printf ("\n ");
+
+ printf (" %08lX%s%s",
+ info->start[i],
+ erased ? " E" : " ",
+ info->protect[i] ? "RO " : " ");
}
printf ("\n");
}
/* We accept only two AMD types */
switch (vendor) {
case (FLASH_WORD_SIZE)AMD_MANUFACT:
- info->flash_id = FLASH_MAN_AMD;
- break;
+ info->flash_id = FLASH_MAN_AMD;
+ 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 */
}
switch (devid) {
case (FLASH_WORD_SIZE)AMD_ID_F040B:
- info->flash_id |= AMD_ID_F040B;
- info->sector_count = 8;
- info->size = 0x00080000;
- break; /* => 0.5 MB */
+ info->flash_id |= AMD_ID_F040B;
+ info->sector_count = 8;
+ info->size = 0x00080000;
+ break; /* => 0.5 MB */
case (FLASH_WORD_SIZE)AMD_ID_F016D:
- info->flash_id |= AMD_ID_F016D;
- info->sector_count = 32;
- info->size = 0x00200000;
- break; /* => 2 MB */
+ info->flash_id |= AMD_ID_F016D;
+ info->sector_count = 32;
+ info->size = 0x00200000;
+ break; /* => 2 MB */
case (FLASH_WORD_SIZE)AMD_ID_F032B:
- info->flash_id |= AMD_ID_F032B;
- info->sector_count = 64;
- info->size = 0x00400000;
- break; /* => 4 MB */
+ info->flash_id |= AMD_ID_F032B;
+ info->sector_count = 64;
+ info->size = 0x00400000;
+ break; /* => 4 MB */
default:
- info->flash_id = FLASH_UNKNOWN;
- return (0); /* => no or unknown flash */
+ info->flash_id = FLASH_UNKNOWN;
+ return (0); /* => no or unknown flash */
}
/* check for protected sectors */
for (i = 0; i < info->sector_count; i++) {
- /* sector base address */
- info->start[i] = base + i * (info->size / info->sector_count);
- /* read sector protection at sector address, (A7 .. A0) = 0x02 */
- /* D0 = 1 if protected */
- caddr = (volatile unsigned char *)(info->start[i]);
- info->protect[i] = caddr[2] & 1;
+ /* sector base address */
+ info->start[i] = base + i * (info->size / info->sector_count);
+ /* read sector protection at sector address, (A7 .. A0) = 0x02 */
+ /* D0 = 1 if protected */
+ caddr = (volatile unsigned char *)(info->start[i]);
+ info->protect[i] = caddr[2] & 1;
}
/*
* Prevent writes to uninitialized FLASH.
*/
if (info->flash_id != FLASH_UNKNOWN) {
- caddr = (volatile unsigned char *)info->start[0];
- caddr[0] = 0xF0; /* reset bank */
+ caddr = (volatile unsigned char *)info->start[0];
+ caddr[0] = 0xF0; /* reset bank */
}
return (info->size);
int rc = 0;
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_AMD_COMP)) {
- printf ("Can't erase unknown flash type - aborted\n");
- return 1;
+ (info->flash_id > 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;
/* 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[sect]);
- if (info->flash_id & 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;
- 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->protect[sect] == 0) { /* not protected */
+ addr = (FLASH_WORD_SIZE *)(info->start[sect]);
+ if (info->flash_id & 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;
+ 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);
* 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[l_sect]);
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:
* 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);
}
/*
*/
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));
*/
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 = (FLASH_WORD_SIZE *)dest;
- 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 = (FLASH_WORD_SIZE *)dest;
+ volatile FLASH_WORD_SIZE *data2 = (FLASH_WORD_SIZE *)&data;
ulong start;
int flag;
- int i;
+ int i;
/* Check if Flash is (sufficiently) erased */
if ((*((volatile FLASH_WORD_SIZE *)dest) &
- (FLASH_WORD_SIZE)data) != (FLASH_WORD_SIZE)data) {
- return (2);
+ (FLASH_WORD_SIZE)data) != (FLASH_WORD_SIZE)data) {
+ 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] = (FLASH_WORD_SIZE)0x00AA00AA;
- addr2[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
- addr2[ADDR0] = (FLASH_WORD_SIZE)0x00A000A0;
+ for (i=0; i<4/sizeof(FLASH_WORD_SIZE); i++)
+ {
+ addr2[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
+ addr2[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
+ addr2[ADDR0] = (FLASH_WORD_SIZE)0x00A000A0;
- dest2[i] = data2[i];
+ dest2[i] = data2[i];
- /* re-enable interrupts if necessary */
- if (flag)
- enable_interrupts();
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
- /* data polling for D7 */
- start = get_timer (0);
- while ((dest2[i] & (FLASH_WORD_SIZE)0x00800080) !=
- (data2[i] & (FLASH_WORD_SIZE)0x00800080)) {
- if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
- return (1);
- }
- }
- }
+ /* data polling for D7 */
+ start = get_timer (0);
+ while ((dest2[i] & (FLASH_WORD_SIZE)0x00800080) !=
+ (data2[i] & (FLASH_WORD_SIZE)0x00800080)) {
+ if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
+ return (1);
+ }
+ }
+ }
return (0);
}
/*----------------------------------------------------------------------------*/
-
projects / people / ms / u-boot.git / blobdiff