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Diffstat (limited to 'board/w7o/flash.c')
-rw-r--r--board/w7o/flash.c847
1 files changed, 423 insertions, 424 deletions
diff --git a/board/w7o/flash.c b/board/w7o/flash.c
index 5651e1c..d6ea635 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 - monitor_flash_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; 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");
} /* 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; 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_word8(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_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 */
@@ -808,50 +808,50 @@ static int _flash_protect(flash_info_t *info, long sector)
volatile long *addr = (unsigned 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;
@@ -866,42 +866,42 @@ static int _flash_unprotect(flash_info_t *info, long sector)
volatile long *addr = (unsigned 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() */
/*-----------------------------------------------------------------------
*/
-
generated by cgit v1.1 at 2024-11-22 20:22:55 +0000