* 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
#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
#define NUM_ERASE_REGIONS 4 /* max. number of erase regions */
static uint flash_offset_cfi[2] = { FLASH_OFFSET_CFI, FLASH_OFFSET_CFI_ALT };
+static uint flash_verbose = 1;
-/* 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 */
/*
* 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;
-
/* CFI standard query structure */
struct cfi_qry {
u8 qry[3];
u8 minor_version;
} __attribute__((packed));
-static void flash_write8(u8 value, void *addr)
+static void __flash_write8(u8 value, void *addr)
{
__raw_writeb(value, addr);
}
-static void flash_write16(u16 value, void *addr)
+static void __flash_write16(u16 value, void *addr)
{
__raw_writew(value, addr);
}
-static void flash_write32(u32 value, void *addr)
+static void __flash_write32(u32 value, void *addr)
{
__raw_writel(value, addr);
}
-static void flash_write64(u64 value, void *addr)
+static void __flash_write64(u64 value, void *addr)
{
/* No architectures currently implement __raw_writeq() */
*(volatile u64 *)addr = value;
}
-static u8 flash_read8(void *addr)
+static u8 __flash_read8(void *addr)
{
return __raw_readb(addr);
}
-static u16 flash_read16(void *addr)
+static u16 __flash_read16(void *addr)
{
return __raw_readw(addr);
}
-static u32 flash_read32(void *addr)
+static u32 __flash_read32(void *addr)
{
return __raw_readl(addr);
}
return *(volatile u64 *)addr;
}
+#ifdef CONFIG_CFI_FLASH_USE_WEAK_ACCESSORS
+void flash_write8(u8 value, void *addr)__attribute__((weak, alias("__flash_write8")));
+void flash_write16(u16 value, void *addr)__attribute__((weak, alias("__flash_write16")));
+void flash_write32(u32 value, void *addr)__attribute__((weak, alias("__flash_write32")));
+void flash_write64(u64 value, void *addr)__attribute__((weak, alias("__flash_write64")));
+u8 flash_read8(void *addr)__attribute__((weak, alias("__flash_read8")));
+u16 flash_read16(void *addr)__attribute__((weak, alias("__flash_read16")));
+u32 flash_read32(void *addr)__attribute__((weak, alias("__flash_read32")));
u64 flash_read64(void *addr)__attribute__((weak, alias("__flash_read64")));
+#else
+#define flash_write8 __flash_write8
+#define flash_write16 __flash_write16
+#define flash_write32 __flash_write32
+#define flash_write64 __flash_write64
+#define flash_read8 __flash_read8
+#define flash_read16 __flash_read16
+#define flash_read32 __flash_read32
+#define flash_read64 __flash_read64
+#endif
/*-----------------------------------------------------------------------
*/
-#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
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;
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
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);
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)) |
retval = flash_read32(addr) != flash_read32(addr);
break;
case FLASH_CFI_64BIT:
- retval = flash_read64(addr) != flash_read64(addr);
+ retval = ( (flash_read32( addr ) != flash_read32( addr )) ||
+ (flash_read32(addr+4) != flash_read32(addr+4)) );
break;
default:
retval = 0;
{
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 */
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,
*/
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;
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;
#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;
#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;
}
}
-/* loop through the sectors from the highest address when the passed
- * address is greater or equal to the sector address we have a match
+/*
+ * Loop through the sector table starting from the previously found sector.
+ * Searches forwards or backwards, dependent on the passed address.
*/
static flash_sect_t find_sector (flash_info_t * info, ulong addr)
{
- flash_sect_t sector;
+ static flash_sect_t saved_sector = 0; /* previously found sector */
+ flash_sect_t sector = saved_sector;
- for (sector = info->sector_count - 1; sector >= 0; sector--) {
- if (addr >= info->start[sector])
- break;
- }
+ while ((info->start[sector] < addr)
+ && (sector < info->sector_count - 1))
+ sector++;
+ while ((info->start[sector] > addr) && (sector > 0))
+ /*
+ * also decrements the sector in case of an overshot
+ * in the first loop
+ */
+ sector--;
+
+ saved_sector = sector;
return sector;
}
{
void *dstaddr;
int flag;
+ flash_sect_t sect = 0;
+ char sect_found = 0;
dstaddr = map_physmem(dest, info->portwidth, MAP_NOCACHE);
#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);
+ sect_found = 1;
break;
}
unmap_physmem(dstaddr, info->portwidth);
- return flash_full_status_check (info, find_sector (info, dest),
- info->write_tout, "write");
+ if (!sect_found)
+ sect = find_sector (info, dest);
+
+ return flash_full_status_check (info, sect, 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)
unmap_physmem(dst, len);
return retcode;
}
-#endif /* CFG_FLASH_USE_BUFFER_WRITE */
+#endif /* CONFIG_SYS_FLASH_USE_BUFFER_WRITE */
/*-----------------------------------------------------------------------
if (prot) {
printf ("- Warning: %d protected sectors will not be erased!\n",
prot);
- } else {
+ } else if (flash_verbose) {
putc ('\n');
}
if (flash_full_status_check
(info, sect, info->erase_blk_tout, "erase")) {
rcode = 1;
- } else
+ } else if (flash_verbose)
putc ('.');
}
}
- puts (" done\n");
+
+ if (flash_verbose)
+ puts (" done\n");
+
return rcode;
}
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;
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" : " ");
*/
#ifdef CONFIG_FLASH_SHOW_PROGRESS
#define FLASH_SHOW_PROGRESS(scale, dots, digit, dots_sub) \
- dots -= dots_sub; \
- if ((scale > 0) && (dots <= 0)) { \
- if ((digit % 5) == 0) \
- printf ("%d", digit / 5); \
- else \
- putc ('.'); \
- digit--; \
- dots += scale; \
+ if (flash_verbose) { \
+ dots -= dots_sub; \
+ if ((scale > 0) && (dots <= 0)) { \
+ if ((digit % 5) == 0) \
+ printf ("%d", digit / 5); \
+ else \
+ putc ('.'); \
+ digit--; \
+ dots += scale; \
+ } \
}
#else
#define FLASH_SHOW_PROGRESS(scale, dots, digit, dots_sub)
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
}
/* 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) {
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);
/*-----------------------------------------------------------------------
*/
-#ifdef CFG_FLASH_PROTECTION
+#ifdef CONFIG_SYS_FLASH_PROTECTION
int flash_real_protect (flash_info_t * info, long sector, int prot)
{
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.
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,
{
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;
cfi_reverse_geometry(qry);
}
+static void flash_fixup_stm(flash_info_t *info, struct cfi_qry *qry)
+{
+ /* check if flash geometry needs reversal */
+ if (qry->num_erase_regions > 1) {
+ /* reverse geometry if top boot part */
+ if (info->cfi_version < 0x3131) {
+ /* CFI < 1.1, guess by device id (only M29W320ET now) */
+ if (info->device_id == 0x2256) {
+ cfi_reverse_geometry(qry);
+ }
+ }
+ }
+}
+
/*
* The following code cannot be run from FLASH!
*
info->ext_addr = 0;
info->cfi_version = 0;
-#ifdef CFG_FLASH_PROTECTION
+#ifdef CONFIG_SYS_FLASH_PROTECTION
info->legacy_unlock = 0;
#endif
case 0x001f:
flash_fixup_atmel(info, &qry);
break;
+ case 0x0020:
+ flash_fixup_stm(info, &qry);
+ break;
}
debug ("manufacturer is %d\n", info->vendor);
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;
}
return (info->size);
}
+void flash_set_verbose(uint v)
+{
+ flash_verbose = v;
+}
+
/*-----------------------------------------------------------------------
*/
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".
*/
&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 */
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);
flash_get_info(apl[i].start));
}
#endif
+
+#ifdef CONFIG_FLASH_CFI_MTD
+ cfi_mtd_init();
+#endif
+
return (size);
}