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path: root/drivers/mtd/cfi_flash.c
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Diffstat (limited to 'drivers/mtd/cfi_flash.c')
-rw-r--r--drivers/mtd/cfi_flash.c113
1 files changed, 58 insertions, 55 deletions
diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c
index 0d1ee8a..c40bf66 100644
--- a/drivers/mtd/cfi_flash.c
+++ b/drivers/mtd/cfi_flash.c
@@ -57,12 +57,12 @@
* AMD/Spansion Application Note: Migration from Single-byte to Three-byte
* Device IDs, Publication Number 25538 Revision A, November 8, 2001
*
- * Define CFG_WRITE_SWAPPED_DATA, if you have to swap the Bytes between
+ * Define CONFIG_SYS_WRITE_SWAPPED_DATA, if you have to swap the Bytes between
* reading and writing ... (yes there is such a Hardware).
*/
-#ifndef CFG_FLASH_BANKS_LIST
-#define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE }
+#ifndef CONFIG_SYS_FLASH_BANKS_LIST
+#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE }
#endif
#define FLASH_CMD_CFI 0x98
@@ -143,7 +143,7 @@
#define CFI_CMDSET_SST 258
#define CFI_CMDSET_INTEL_PROG_REGIONS 512
-#ifdef CFG_FLASH_CFI_AMD_RESET /* needed for STM_ID_29W320DB on UC100 */
+#ifdef CONFIG_SYS_FLASH_CFI_AMD_RESET /* needed for STM_ID_29W320DB on UC100 */
# undef FLASH_CMD_RESET
# define FLASH_CMD_RESET AMD_CMD_RESET /* use AMD-Reset instead */
#endif
@@ -159,11 +159,11 @@ typedef union {
static uint flash_offset_cfi[2] = { FLASH_OFFSET_CFI, FLASH_OFFSET_CFI_ALT };
-/* use CFG_MAX_FLASH_BANKS_DETECT if defined */
-#ifdef CFG_MAX_FLASH_BANKS_DETECT
-# define CFI_MAX_FLASH_BANKS CFG_MAX_FLASH_BANKS_DETECT
+/* use CONFIG_SYS_MAX_FLASH_BANKS_DETECT if defined */
+#ifdef CONFIG_SYS_MAX_FLASH_BANKS_DETECT
+# define CFI_MAX_FLASH_BANKS CONFIG_SYS_MAX_FLASH_BANKS_DETECT
#else
-# define CFI_MAX_FLASH_BANKS CFG_MAX_FLASH_BANKS
+# define CFI_MAX_FLASH_BANKS CONFIG_SYS_MAX_FLASH_BANKS
#endif
flash_info_t flash_info[CFI_MAX_FLASH_BANKS]; /* FLASH chips info */
@@ -171,8 +171,8 @@ flash_info_t flash_info[CFI_MAX_FLASH_BANKS]; /* FLASH chips info */
/*
* Check if chip width is defined. If not, start detecting with 8bit.
*/
-#ifndef CFG_FLASH_CFI_WIDTH
-#define CFG_FLASH_CFI_WIDTH FLASH_CFI_8BIT
+#ifndef CONFIG_SYS_FLASH_CFI_WIDTH
+#define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_8BIT
#endif
typedef unsigned long flash_sect_t;
@@ -255,20 +255,20 @@ u64 flash_read64(void *addr)__attribute__((weak, alias("__flash_read64")));
/*-----------------------------------------------------------------------
*/
-#if defined(CONFIG_ENV_IS_IN_FLASH) || defined(CONFIG_ENV_ADDR_REDUND) || (CFG_MONITOR_BASE >= CFG_FLASH_BASE)
+#if defined(CONFIG_ENV_IS_IN_FLASH) || defined(CONFIG_ENV_ADDR_REDUND) || (CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE)
static flash_info_t *flash_get_info(ulong base)
{
int i;
flash_info_t * info = 0;
- for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
+ for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) {
info = & flash_info[i];
if (info->size && info->start[0] <= base &&
base <= info->start[0] + info->size - 1)
break;
}
- return i == CFG_MAX_FLASH_BANKS ? 0 : info;
+ return i == CONFIG_SYS_MAX_FLASH_BANKS ? 0 : info;
}
#endif
@@ -309,7 +309,7 @@ static void flash_make_cmd(flash_info_t *info, u32 cmd, void *cmdbuf)
int i;
int cword_offset;
int cp_offset;
-#if defined(__LITTLE_ENDIAN) || defined(CFG_WRITE_SWAPPED_DATA)
+#if defined(__LITTLE_ENDIAN) || defined(CONFIG_SYS_WRITE_SWAPPED_DATA)
u32 cmd_le = cpu_to_le32(cmd);
#endif
uchar val;
@@ -317,7 +317,7 @@ static void flash_make_cmd(flash_info_t *info, u32 cmd, void *cmdbuf)
for (i = info->portwidth; i > 0; i--){
cword_offset = (info->portwidth-i)%info->chipwidth;
-#if defined(__LITTLE_ENDIAN) || defined(CFG_WRITE_SWAPPED_DATA)
+#if defined(__LITTLE_ENDIAN) || defined(CONFIG_SYS_WRITE_SWAPPED_DATA)
cp_offset = info->portwidth - i;
val = *((uchar*)&cmd_le + cword_offset);
#else
@@ -374,7 +374,7 @@ static inline uchar flash_read_uchar (flash_info_t * info, uint offset)
uchar retval;
cp = flash_map (info, 0, offset);
-#if defined(__LITTLE_ENDIAN) || defined(CFG_WRITE_SWAPPED_DATA)
+#if defined(__LITTLE_ENDIAN) || defined(CONFIG_SYS_WRITE_SWAPPED_DATA)
retval = flash_read8(cp);
#else
retval = flash_read8(cp + info->portwidth - 1);
@@ -419,7 +419,7 @@ static ulong flash_read_long (flash_info_t * info, flash_sect_t sect,
debug ("addr[%x] = 0x%x\n", x, flash_read8(addr + x));
}
#endif
-#if defined(__LITTLE_ENDIAN) || defined(CFG_WRITE_SWAPPED_DATA)
+#if defined(__LITTLE_ENDIAN) || defined(CONFIG_SYS_WRITE_SWAPPED_DATA)
retval = ((flash_read8(addr) << 16) |
(flash_read8(addr + info->portwidth) << 24) |
(flash_read8(addr + 2 * info->portwidth)) |
@@ -646,8 +646,8 @@ static int flash_status_check (flash_info_t * info, flash_sect_t sector,
{
ulong start;
-#if CFG_HZ != 1000
- tout *= CFG_HZ/1000;
+#if CONFIG_SYS_HZ != 1000
+ tout *= CONFIG_SYS_HZ/1000;
#endif
/* Wait for command completion */
@@ -681,7 +681,7 @@ static int flash_full_status_check (flash_info_t * info, flash_sect_t sector,
case CFI_CMDSET_INTEL_PROG_REGIONS:
case CFI_CMDSET_INTEL_EXTENDED:
case CFI_CMDSET_INTEL_STANDARD:
- if ((retcode == ERR_OK)
+ if ((retcode != ERR_OK)
&& !flash_isequal (info, sector, 0, FLASH_STATUS_DONE)) {
retcode = ERR_INVAL;
printf ("Flash %s error at address %lx\n", prompt,
@@ -716,7 +716,7 @@ static int flash_full_status_check (flash_info_t * info, flash_sect_t sector,
*/
static void flash_add_byte (flash_info_t * info, cfiword_t * cword, uchar c)
{
-#if defined(__LITTLE_ENDIAN) && !defined(CFG_WRITE_SWAPPED_DATA)
+#if defined(__LITTLE_ENDIAN) && !defined(CONFIG_SYS_WRITE_SWAPPED_DATA)
unsigned short w;
unsigned int l;
unsigned long long ll;
@@ -727,7 +727,7 @@ static void flash_add_byte (flash_info_t * info, cfiword_t * cword, uchar c)
cword->c = c;
break;
case FLASH_CFI_16BIT:
-#if defined(__LITTLE_ENDIAN) && !defined(CFG_WRITE_SWAPPED_DATA)
+#if defined(__LITTLE_ENDIAN) && !defined(CONFIG_SYS_WRITE_SWAPPED_DATA)
w = c;
w <<= 8;
cword->w = (cword->w >> 8) | w;
@@ -736,7 +736,7 @@ static void flash_add_byte (flash_info_t * info, cfiword_t * cword, uchar c)
#endif
break;
case FLASH_CFI_32BIT:
-#if defined(__LITTLE_ENDIAN) && !defined(CFG_WRITE_SWAPPED_DATA)
+#if defined(__LITTLE_ENDIAN) && !defined(CONFIG_SYS_WRITE_SWAPPED_DATA)
l = c;
l <<= 24;
cword->l = (cword->l >> 8) | l;
@@ -745,7 +745,7 @@ static void flash_add_byte (flash_info_t * info, cfiword_t * cword, uchar c)
#endif
break;
case FLASH_CFI_64BIT:
-#if defined(__LITTLE_ENDIAN) && !defined(CFG_WRITE_SWAPPED_DATA)
+#if defined(__LITTLE_ENDIAN) && !defined(CONFIG_SYS_WRITE_SWAPPED_DATA)
ll = c;
ll <<= 56;
cword->ll = (cword->ll >> 8) | ll;
@@ -777,6 +777,7 @@ static int flash_write_cfiword (flash_info_t * info, ulong dest,
{
void *dstaddr;
int flag;
+ flash_sect_t sect;
dstaddr = map_physmem(dest, info->portwidth, MAP_NOCACHE);
@@ -818,8 +819,9 @@ static int flash_write_cfiword (flash_info_t * info, ulong dest,
#ifdef CONFIG_FLASH_CFI_LEGACY
case CFI_CMDSET_AMD_LEGACY:
#endif
- flash_unlock_seq (info, 0);
- flash_write_cmd (info, 0, info->addr_unlock1, AMD_CMD_WRITE);
+ sect = find_sector(info, dest);
+ flash_unlock_seq (info, sect);
+ flash_write_cmd (info, sect, info->addr_unlock1, AMD_CMD_WRITE);
break;
}
@@ -848,7 +850,7 @@ static int flash_write_cfiword (flash_info_t * info, ulong dest,
info->write_tout, "write");
}
-#ifdef CFG_FLASH_USE_BUFFER_WRITE
+#ifdef CONFIG_SYS_FLASH_USE_BUFFER_WRITE
static int flash_write_cfibuffer (flash_info_t * info, ulong dest, uchar * cp,
int len)
@@ -1022,7 +1024,7 @@ out_unmap:
unmap_physmem(dst, len);
return retcode;
}
-#endif /* CFG_FLASH_USE_BUFFER_WRITE */
+#endif /* CONFIG_SYS_FLASH_USE_BUFFER_WRITE */
/*-----------------------------------------------------------------------
@@ -1171,7 +1173,7 @@ void flash_print_info (flash_info_t * info)
for (i = 0; i < info->sector_count; ++i) {
if ((i % 5) == 0)
printf ("\n");
-#ifdef CFG_FLASH_EMPTY_INFO
+#ifdef CONFIG_SYS_FLASH_EMPTY_INFO
int k;
int size;
int erased;
@@ -1196,7 +1198,7 @@ void flash_print_info (flash_info_t * info)
info->start[i],
erased ? 'E' : ' ',
info->protect[i] ? "RO" : " ");
-#else /* ! CFG_FLASH_EMPTY_INFO */
+#else /* ! CONFIG_SYS_FLASH_EMPTY_INFO */
printf (" %08lX %s ",
info->start[i],
info->protect[i] ? "RO" : " ");
@@ -1240,7 +1242,7 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
int aln;
cfiword_t cword;
int i, rc;
-#ifdef CFG_FLASH_USE_BUFFER_WRITE
+#ifdef CONFIG_SYS_FLASH_USE_BUFFER_WRITE
int buffered_size;
#endif
#ifdef CONFIG_FLASH_SHOW_PROGRESS
@@ -1284,7 +1286,7 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
}
/* handle the aligned part */
-#ifdef CFG_FLASH_USE_BUFFER_WRITE
+#ifdef CONFIG_SYS_FLASH_USE_BUFFER_WRITE
buffered_size = (info->portwidth / info->chipwidth);
buffered_size *= info->buffer_size;
while (cnt >= info->portwidth) {
@@ -1324,7 +1326,7 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
cnt -= info->portwidth;
FLASH_SHOW_PROGRESS(scale, dots, digit, info->portwidth);
}
-#endif /* CFG_FLASH_USE_BUFFER_WRITE */
+#endif /* CONFIG_SYS_FLASH_USE_BUFFER_WRITE */
if (cnt == 0) {
return (0);
@@ -1348,7 +1350,7 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
/*-----------------------------------------------------------------------
*/
-#ifdef CFG_FLASH_PROTECTION
+#ifdef CONFIG_SYS_FLASH_PROTECTION
int flash_real_protect (flash_info_t * info, long sector, int prot)
{
@@ -1455,7 +1457,7 @@ void flash_read_factory_serial (flash_info_t * info, void *buffer, int offset,
flash_unmap(info, 0, FLASH_OFFSET_INTEL_PROTECTION, src);
}
-#endif /* CFG_FLASH_PROTECTION */
+#endif /* CONFIG_SYS_FLASH_PROTECTION */
/*-----------------------------------------------------------------------
* Reverse the order of the erase regions in the CFI QRY structure.
@@ -1499,7 +1501,7 @@ static int cmdset_intel_init(flash_info_t *info, struct cfi_qry *qry)
cmdset_intel_read_jedec_ids(info);
flash_write_cmd(info, 0, info->cfi_offset, FLASH_CMD_CFI);
-#ifdef CFG_FLASH_PROTECTION
+#ifdef CONFIG_SYS_FLASH_PROTECTION
/* read legacy lock/unlock bit from intel flash */
if (info->ext_addr) {
info->legacy_unlock = flash_read_uchar (info,
@@ -1715,7 +1717,7 @@ static int flash_detect_cfi (flash_info_t * info, struct cfi_qry *qry)
{
debug ("flash detect cfi\n");
- for (info->portwidth = CFG_FLASH_CFI_WIDTH;
+ for (info->portwidth = CONFIG_SYS_FLASH_CFI_WIDTH;
info->portwidth <= FLASH_CFI_64BIT; info->portwidth <<= 1) {
for (info->chipwidth = FLASH_CFI_BY8;
info->chipwidth <= info->portwidth;
@@ -1791,7 +1793,7 @@ ulong flash_get_size (ulong base, int banknum)
info->ext_addr = 0;
info->cfi_version = 0;
-#ifdef CFG_FLASH_PROTECTION
+#ifdef CONFIG_SYS_FLASH_PROTECTION
info->legacy_unlock = 0;
#endif
@@ -1880,7 +1882,7 @@ ulong flash_get_size (ulong base, int banknum)
debug ("erase_region_count = %d erase_region_size = %d\n",
erase_region_count, erase_region_size);
for (j = 0; j < erase_region_count; j++) {
- if (sect_cnt >= CFG_MAX_FLASH_SECT) {
+ if (sect_cnt >= CONFIG_SYS_MAX_FLASH_SECT) {
printf("ERROR: too many flash sectors\n");
break;
}
@@ -1932,9 +1934,10 @@ ulong flash_get_size (ulong base, int banknum)
/* XXX - Need to test on x8/x16 in parallel. */
info->portwidth >>= 1;
}
+
+ flash_write_cmd (info, 0, 0, info->cmd_reset);
}
- flash_write_cmd (info, 0, 0, info->cmd_reset);
return (info->size);
}
@@ -1944,41 +1947,41 @@ unsigned long flash_init (void)
{
unsigned long size = 0;
int i;
-#if defined(CFG_FLASH_AUTOPROTECT_LIST)
+#if defined(CONFIG_SYS_FLASH_AUTOPROTECT_LIST)
struct apl_s {
ulong start;
ulong size;
- } apl[] = CFG_FLASH_AUTOPROTECT_LIST;
+ } apl[] = CONFIG_SYS_FLASH_AUTOPROTECT_LIST;
#endif
-#ifdef CFG_FLASH_PROTECTION
+#ifdef CONFIG_SYS_FLASH_PROTECTION
char *s = getenv("unlock");
#endif
-#define BANK_BASE(i) (((unsigned long [CFI_MAX_FLASH_BANKS])CFG_FLASH_BANKS_LIST)[i])
+#define BANK_BASE(i) (((unsigned long [CFI_MAX_FLASH_BANKS])CONFIG_SYS_FLASH_BANKS_LIST)[i])
/* Init: no FLASHes known */
- for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) {
+ for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i) {
flash_info[i].flash_id = FLASH_UNKNOWN;
if (!flash_detect_legacy (BANK_BASE(i), i))
flash_get_size (BANK_BASE(i), i);
size += flash_info[i].size;
if (flash_info[i].flash_id == FLASH_UNKNOWN) {
-#ifndef CFG_FLASH_QUIET_TEST
+#ifndef CONFIG_SYS_FLASH_QUIET_TEST
printf ("## Unknown FLASH on Bank %d "
"- Size = 0x%08lx = %ld MB\n",
i+1, flash_info[i].size,
flash_info[i].size << 20);
-#endif /* CFG_FLASH_QUIET_TEST */
+#endif /* CONFIG_SYS_FLASH_QUIET_TEST */
}
-#ifdef CFG_FLASH_PROTECTION
+#ifdef CONFIG_SYS_FLASH_PROTECTION
else if ((s != NULL) && (strcmp(s, "yes") == 0)) {
/*
* Only the U-Boot image and it's environment
* is protected, all other sectors are
* unprotected (unlocked) if flash hardware
- * protection is used (CFG_FLASH_PROTECTION)
+ * protection is used (CONFIG_SYS_FLASH_PROTECTION)
* and the environment variable "unlock" is
* set to "yes".
*/
@@ -2019,15 +2022,15 @@ unsigned long flash_init (void)
&flash_info[i]);
}
}
-#endif /* CFG_FLASH_PROTECTION */
+#endif /* CONFIG_SYS_FLASH_PROTECTION */
}
/* Monitor protection ON by default */
-#if (CFG_MONITOR_BASE >= CFG_FLASH_BASE)
+#if (CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE)
flash_protect (FLAG_PROTECT_SET,
- CFG_MONITOR_BASE,
- CFG_MONITOR_BASE + monitor_flash_len - 1,
- flash_get_info(CFG_MONITOR_BASE));
+ CONFIG_SYS_MONITOR_BASE,
+ CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1,
+ flash_get_info(CONFIG_SYS_MONITOR_BASE));
#endif
/* Environment protection ON by default */
@@ -2046,7 +2049,7 @@ unsigned long flash_init (void)
flash_get_info(CONFIG_ENV_ADDR_REDUND));
#endif
-#if defined(CFG_FLASH_AUTOPROTECT_LIST)
+#if defined(CONFIG_SYS_FLASH_AUTOPROTECT_LIST)
for (i = 0; i < (sizeof(apl) / sizeof(struct apl_s)); i++) {
debug("autoprotecting from %08x to %08x\n",
apl[i].start, apl[i].start + apl[i].size - 1);
generated by cgit v1.1 at 2024-11-27 14:50:18 +0000