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Diffstat (limited to 'board/tqm8xx/flash.c')
-rw-r--r--board/tqm8xx/flash.c94
1 files changed, 76 insertions, 18 deletions
diff --git a/board/tqm8xx/flash.c b/board/tqm8xx/flash.c
index a974e23..b8a3595 100644
--- a/board/tqm8xx/flash.c
+++ b/board/tqm8xx/flash.c
@@ -1,5 +1,5 @@
/*
- * (C) Copyright 2000-2002
+ * (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
@@ -21,7 +21,9 @@
* MA 02111-1307 USA
*/
-/* #define DEBUG */
+#if 0
+#define DEBUG
+#endif
#include <common.h>
#include <mpc8xx.h>
@@ -214,6 +216,8 @@ void flash_print_info (flash_info_t *info)
break;
case FLASH_AMLV640U: printf ("AM29LV640ML (64Mbit, uniform sector size)\n");
break;
+ case FLASH_AMLV320B: printf ("AM29LV320MB (32Mbit, bottom boot sect)\n");
+ break;
# else /* ! TQM8xxM */
case FLASH_AM400B: printf ("AM29LV400B (4 Mbit, bottom boot sect)\n");
break;
@@ -232,6 +236,8 @@ void flash_print_info (flash_info_t *info)
break;
case FLASH_AM160T: printf ("AM29LV160T (16 Mbit, top boot sector)\n");
break;
+ case FLASH_AMDL163B: printf ("AM29DL163B (16 Mbit, bottom boot sect)\n");
+ break;
default: printf ("Unknown Chip Type\n");
break;
}
@@ -280,12 +286,15 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
switch (value) {
case AMD_MANUFACT:
+ debug ("Manufacturer: AMD\n");
info->flash_id = FLASH_MAN_AMD;
break;
case FUJ_MANUFACT:
+ debug ("Manufacturer: FUJITSU\n");
info->flash_id = FLASH_MAN_FUJ;
break;
default:
+ debug ("Manufacturer: *** unknown ***\n");
info->flash_id = FLASH_UNKNOWN;
info->sector_count = 0;
info->size = 0;
@@ -299,36 +308,53 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
switch (value) {
#ifdef CONFIG_TQM8xxM /* mirror bit flash */
case AMD_ID_MIRROR:
+ debug ("Mirror Bit flash: addr[14] = %08lX addr[15] = %08lX\n",
+ addr[14], addr[15]);
/* Special case for AMLV320MH/L */
if ((addr[14] & 0x00ff00ff) == 0x001d001d &&
- (addr[15] & 0x00ff00ff) == 0x00000000) {
+ (addr[15] & 0x00ff00ff) == 0x00000000) {
+ debug ("Chip: AMLV320MH/L\n");
info->flash_id += FLASH_AMLV320U;
info->sector_count = 64;
- info->size = 0x00800000; /* => 8 MB */
+ info->size = 0x00800000; /* => 8 MB */
break;
}
switch(addr[14]) {
case AMD_ID_LV128U_2:
if (addr[15] != AMD_ID_LV128U_3) {
+ debug ("Chip: AMLV128U -> unknown\n");
info->flash_id = FLASH_UNKNOWN;
- }
- else {
+ } else {
+ debug ("Chip: AMLV128U\n");
info->flash_id += FLASH_AMLV128U;
info->sector_count = 256;
info->size = 0x02000000;
}
- break; /* => 32 MB */
+ break; /* => 32 MB */
case AMD_ID_LV640U_2:
if (addr[15] != AMD_ID_LV640U_3) {
+ debug ("Chip: AMLV640U -> unknown\n");
info->flash_id = FLASH_UNKNOWN;
- }
- else {
+ } else {
+ debug ("Chip: AMLV640U\n");
info->flash_id += FLASH_AMLV640U;
info->sector_count = 128;
info->size = 0x01000000;
}
- break; /* => 16 MB */
+ break; /* => 16 MB */
+ case AMD_ID_LV320B_2:
+ if (addr[15] != AMD_ID_LV320B_3) {
+ debug ("Chip: AMLV320B -> unknown\n");
+ info->flash_id = FLASH_UNKNOWN;
+ } else {
+ debug ("Chip: AMLV320B\n");
+ info->flash_id += FLASH_AMLV320B;
+ info->sector_count = 71;
+ info->size = 0x00800000;
+ }
+ break; /* => 8 MB */
default:
+ debug ("Chip: *** unknown ***\n");
info->flash_id = FLASH_UNKNOWN;
break;
}
@@ -338,50 +364,56 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
info->flash_id += FLASH_AM400T;
info->sector_count = 11;
info->size = 0x00100000;
- break; /* => 1 MB */
+ break; /* => 1 MB */
case AMD_ID_LV400B:
info->flash_id += FLASH_AM400B;
info->sector_count = 11;
info->size = 0x00100000;
- break; /* => 1 MB */
+ break; /* => 1 MB */
case AMD_ID_LV800T:
info->flash_id += FLASH_AM800T;
info->sector_count = 19;
info->size = 0x00200000;
- break; /* => 2 MB */
+ break; /* => 2 MB */
case AMD_ID_LV800B:
info->flash_id += FLASH_AM800B;
info->sector_count = 19;
info->size = 0x00200000;
- break; /* => 2 MB */
+ break; /* => 2 MB */
case AMD_ID_LV320T:
info->flash_id += FLASH_AM320T;
info->sector_count = 71;
info->size = 0x00800000;
- break; /* => 8 MB */
+ break; /* => 8 MB */
case AMD_ID_LV320B:
info->flash_id += FLASH_AM320B;
info->sector_count = 71;
info->size = 0x00800000;
- break; /* => 8 MB */
+ break; /* => 8 MB */
#endif /* TQM8xxM */
case AMD_ID_LV160T:
info->flash_id += FLASH_AM160T;
info->sector_count = 35;
info->size = 0x00400000;
- break; /* => 4 MB */
+ break; /* => 4 MB */
case AMD_ID_LV160B:
info->flash_id += FLASH_AM160B;
info->sector_count = 35;
info->size = 0x00400000;
- break; /* => 4 MB */
+ break; /* => 4 MB */
+
+ case AMD_ID_DL163B:
+ info->flash_id += FLASH_AMDL163B;
+ info->sector_count = 39;
+ info->size = 0x00400000;
+ break; /* => 4 MB */
default:
info->flash_id = FLASH_UNKNOWN;
@@ -402,6 +434,18 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
base += 0x20000;
}
break;
+ case FLASH_AMLV320B:
+ for (i = 0; i < info->sector_count; i++) {
+ info->start[i] = base;
+ /*
+ * The first 8 sectors are 8 kB,
+ * all the other ones are 64 kB
+ */
+ base += (i < 8)
+ ? 2 * ( 8 << 10)
+ : 2 * (64 << 10);
+ }
+ break;
}
break;
# else /* ! TQM8xxM */
@@ -472,11 +516,24 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
info->start[i] = base + i * 0x00020000;
}
break;
+ case AMD_ID_DL163B:
+ for (i = 0; i < info->sector_count; i++) {
+ info->start[i] = base;
+ /*
+ * The first 8 sectors are 8 kB,
+ * all the other ones are 64 kB
+ */
+ base += (i < 8)
+ ? 2 * ( 8 << 10)
+ : 2 * (64 << 10);
+ }
+ break;
default:
return (0);
break;
}
+#if 0
/* check for protected sectors */
for (i = 0; i < info->sector_count; i++) {
/* read sector protection at sector address, (A7 .. A0) = 0x02 */
@@ -484,6 +541,7 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
addr = (volatile unsigned long *)(info->start[i]);
info->protect[i] = addr[2] & 1;
}
+#endif
/*
* Prevent writes to uninitialized FLASH.
generated by cgit v1.1 at 2024-11-21 23:13:40 +0000