* create an address based on the offset and the port width
*/
static inline void *
-flash_map(flash_info_t * info, flash_sect_t sect, uint offset)
+flash_map(flash_info_t *info, flash_sect_t sect, uint offset)
{
unsigned int byte_offset = offset * info->portwidth;
uchar val;
uchar *cp = (uchar *) cmdbuf;
- for (i = info->portwidth; i > 0; i--){
- cword_offset = (info->portwidth-i)%info->chipwidth;
+ for (i = info->portwidth; i > 0; i--) {
+ cword_offset = (info->portwidth - i) % info->chipwidth;
#if defined(__LITTLE_ENDIAN) || defined(CONFIG_SYS_WRITE_SWAPPED_DATA)
cp_offset = info->portwidth - i;
- val = *((uchar*)&cmd_le + cword_offset);
+ val = *((uchar *)&cmd_le + cword_offset);
#else
cp_offset = i - 1;
- val = *((uchar*)&cmd + sizeof(u32) - cword_offset - 1);
+ val = *((uchar *)&cmd + sizeof(u32) - cword_offset - 1);
#endif
cp[cp_offset] = (cword_offset >= sizeof(u32)) ? 0x00 : val;
}
int i;
char *cp;
- cp = (char *) &data;
+ cp = (char *)&data;
for (i = 0; i < 8; i++)
sprintf(&str[i * 2], "%2.2x", *cp++);
}
debug(" ");
for (y = 0; y < 16; y++) {
unsigned char c = p[x + y];
+
if (c >= 0x20 && c <= 0x7e)
debug("%c", c);
else
}
#endif
-
/*-----------------------------------------------------------------------
* read a character at a port width address
*/
-static inline uchar flash_read_uchar(flash_info_t * info, uint offset)
+static inline uchar flash_read_uchar(flash_info_t *info, uint offset)
{
uchar *cp;
uchar retval;
/*-----------------------------------------------------------------------
* read a word at a port width address, assume 16bit bus
*/
-static inline ushort flash_read_word(flash_info_t * info, uint offset)
+static inline ushort flash_read_word(flash_info_t *info, uint offset)
{
ushort *addr, retval;
return retval;
}
-
/*-----------------------------------------------------------------------
* read a long word by picking the least significant byte of each maximum
* port size word. Swap for ppc format.
*/
-static ulong flash_read_long (flash_info_t * info, flash_sect_t sect,
+static ulong flash_read_long (flash_info_t *info, flash_sect_t sect,
uint offset)
{
uchar *addr;
#ifdef DEBUG
debug("long addr is at %p info->portwidth = %d\n", addr,
info->portwidth);
- for (x = 0; x < 4 * info->portwidth; x++) {
+ for (x = 0; x < 4 * info->portwidth; x++)
debug("addr[%x] = 0x%x\n", x, flash_read8(addr + x));
- }
#endif
#if defined(__LITTLE_ENDIAN) || defined(CONFIG_SYS_WRITE_SWAPPED_DATA)
retval = ((flash_read8(addr) << 16) |
static void flash_write_cmd(flash_info_t *info, flash_sect_t sect,
uint offset, u32 cmd)
{
-
void *addr;
cfiword_t cword;
flash_unmap(info, sect, offset, addr);
}
-static void flash_unlock_seq(flash_info_t * info, flash_sect_t sect)
+static void flash_unlock_seq(flash_info_t *info, flash_sect_t sect)
{
flash_write_cmd(info, sect, info->addr_unlock1, AMD_CMD_UNLOCK_START);
flash_write_cmd(info, sect, info->addr_unlock2, AMD_CMD_UNLOCK_ACK);
/*-----------------------------------------------------------------------
*/
-static int flash_isequal(flash_info_t * info, flash_sect_t sect,
+static int flash_isequal(flash_info_t *info, flash_sect_t sect,
uint offset, uchar cmd)
{
void *addr;
/*-----------------------------------------------------------------------
*/
-static int flash_isset(flash_info_t * info, flash_sect_t sect,
+static int flash_isset(flash_info_t *info, flash_sect_t sect,
uint offset, uchar cmd)
{
void *addr;
/*-----------------------------------------------------------------------
*/
-static int flash_toggle(flash_info_t * info, flash_sect_t sect,
+static int flash_toggle(flash_info_t *info, flash_sect_t sect,
uint offset, uchar cmd)
{
void *addr;
retval = flash_read32(addr) != flash_read32(addr);
break;
case FLASH_CFI_64BIT:
- retval = ( (flash_read32( addr ) != flash_read32( addr )) ||
- (flash_read32(addr+4) != flash_read32(addr+4)) );
+ retval = ((flash_read32(addr) != flash_read32(addr)) ||
+ (flash_read32(addr + 4) != flash_read32(addr + 4)));
break;
default:
retval = 0;
* This routine checks the status of the chip and returns true if the
* chip is busy.
*/
-static int flash_is_busy(flash_info_t * info, flash_sect_t sect)
+static int flash_is_busy(flash_info_t *info, flash_sect_t sect)
{
int retval;
* wait for XSR.7 to be set. Time out with an error if it does not.
* This routine does not set the flash to read-array mode.
*/
-static int flash_status_check(flash_info_t * info, flash_sect_t sector,
+static int flash_status_check(flash_info_t *info, flash_sect_t sector,
ulong tout, char *prompt)
{
ulong start;
*
* This routine sets the flash to read-array mode.
*/
-static int flash_full_status_check(flash_info_t * info, flash_sect_t sector,
+static int flash_full_status_check(flash_info_t *info, flash_sect_t sector,
ulong tout, char *prompt)
{
int retcode;
/*-----------------------------------------------------------------------
*/
-static void flash_add_byte(flash_info_t * info, cfiword_t * cword, uchar c)
+static void flash_add_byte(flash_info_t *info, cfiword_t *cword, uchar c)
{
#if defined(__LITTLE_ENDIAN) && !defined(CONFIG_SYS_WRITE_SWAPPED_DATA)
unsigned short w;
* 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)
+static flash_sect_t find_sector(flash_info_t *info, ulong addr)
{
static flash_sect_t saved_sector; /* previously found sector */
static flash_info_t *saved_info; /* previously used flash bank */
/*-----------------------------------------------------------------------
*/
-static int flash_write_cfiword(flash_info_t * info, ulong dest,
+static int flash_write_cfiword(flash_info_t *info, ulong dest,
cfiword_t cword)
{
void *dstaddr = (void *)dest;
#ifdef CONFIG_SYS_FLASH_USE_BUFFER_WRITE
-static int flash_write_cfibuffer(flash_info_t * info, ulong dest, uchar * cp,
+static int flash_write_cfibuffer(flash_info_t *info, ulong dest, uchar *cp,
int len)
{
flash_sect_t sector;
}
#endif /* CONFIG_SYS_FLASH_USE_BUFFER_WRITE */
-
/*-----------------------------------------------------------------------
*/
-int flash_erase(flash_info_t * info, int s_first, int s_last)
+int flash_erase(flash_info_t *info, int s_first, int s_last)
{
int rcode = 0;
int prot;
}
prot = 0;
- for (sect = s_first; sect <= s_last; ++sect) {
- if (info->protect[sect]) {
+ for (sect = s_first; sect <= s_last; ++sect)
+ if (info->protect[sect])
prot++;
- }
- }
if (prot) {
printf("- Warning: %d protected sectors will not be erased!\n",
prot);
putc('\n');
}
-
for (sect = s_first; sect <= s_last; sect++) {
if (ctrlc()) {
printf("\n");
if (use_flash_status_poll(info)) {
cfiword_t cword;
void *dest;
+
cword.w64 = 0xffffffffffffffffULL;
dest = flash_map(info, sect, 0);
st = flash_status_poll(info, &cword, dest,
}
#endif /* CONFIG_SYS_FLASH_EMPTY_INFO */
-void flash_print_info(flash_info_t * info)
+void flash_print_info(flash_info_t *info)
{
int i;
printf("%s flash (%d x %d)",
info->name,
(info->portwidth << 3), (info->chipwidth << 3));
- if (info->size < 1024*1024)
+ if (info->size < 1024 * 1024)
printf(" Size: %ld kB in %d Sectors\n",
info->size >> 10, info->sector_count);
else
info->size >> 20, info->sector_count);
printf(" ");
switch (info->vendor) {
- case CFI_CMDSET_INTEL_PROG_REGIONS:
- printf("Intel Prog Regions");
- break;
- case CFI_CMDSET_INTEL_STANDARD:
- printf("Intel Standard");
- break;
- case CFI_CMDSET_INTEL_EXTENDED:
- printf("Intel Extended");
- break;
- case CFI_CMDSET_AMD_STANDARD:
- printf("AMD Standard");
- break;
- case CFI_CMDSET_AMD_EXTENDED:
- printf("AMD Extended");
- break;
+ case CFI_CMDSET_INTEL_PROG_REGIONS:
+ printf("Intel Prog Regions");
+ break;
+ case CFI_CMDSET_INTEL_STANDARD:
+ printf("Intel Standard");
+ break;
+ case CFI_CMDSET_INTEL_EXTENDED:
+ printf("Intel Extended");
+ break;
+ case CFI_CMDSET_AMD_STANDARD:
+ printf("AMD Standard");
+ break;
+ case CFI_CMDSET_AMD_EXTENDED:
+ printf("AMD Extended");
+ break;
#ifdef CONFIG_FLASH_CFI_LEGACY
- case CFI_CMDSET_AMD_LEGACY:
- printf("AMD Legacy");
- break;
+ case CFI_CMDSET_AMD_LEGACY:
+ printf("AMD Legacy");
+ break;
#endif
- default:
- printf("Unknown (%d)", info->vendor);
- break;
+ default:
+ printf("Unknown (%d)", info->vendor);
+ break;
}
printf(" command set, Manufacturer ID: 0x%02X, Device ID: 0x",
info->manufacturer_id);
* 1 - write timeout
* 2 - Flash not erased
*/
-int write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+int write_buff(flash_info_t *info, uchar *src, ulong addr, ulong cnt)
{
ulong wp;
uchar *p;
#else
while (cnt >= info->portwidth) {
cword.w32 = 0;
- for (i = 0; i < info->portwidth; i++) {
+ for (i = 0; i < info->portwidth; i++)
flash_add_byte(info, &cword, *src++);
- }
if ((rc = flash_write_cfiword(info, wp, cword)) != 0)
return rc;
wp += info->portwidth;
}
#endif /* CONFIG_SYS_FLASH_USE_BUFFER_WRITE */
- if (cnt == 0) {
+ if (cnt == 0)
return (0);
- }
/*
* handle unaligned tail bytes
return 0;
}
-int flash_real_protect(flash_info_t * info, long sector, int prot)
+int flash_real_protect(flash_info_t *info, long sector, int prot)
{
int retcode = 0;
switch (info->vendor) {
- case CFI_CMDSET_INTEL_PROG_REGIONS:
- case CFI_CMDSET_INTEL_STANDARD:
- case CFI_CMDSET_INTEL_EXTENDED:
- if (!cfi_protect_bugfix(info, sector, prot)) {
+ case CFI_CMDSET_INTEL_PROG_REGIONS:
+ case CFI_CMDSET_INTEL_STANDARD:
+ case CFI_CMDSET_INTEL_EXTENDED:
+ if (!cfi_protect_bugfix(info, sector, prot)) {
+ flash_write_cmd(info, sector, 0,
+ FLASH_CMD_CLEAR_STATUS);
+ flash_write_cmd(info, sector, 0,
+ FLASH_CMD_PROTECT);
+ if (prot)
flash_write_cmd(info, sector, 0,
- FLASH_CMD_CLEAR_STATUS);
+ FLASH_CMD_PROTECT_SET);
+ else
flash_write_cmd(info, sector, 0,
- FLASH_CMD_PROTECT);
- if (prot)
- flash_write_cmd(info, sector, 0,
- FLASH_CMD_PROTECT_SET);
- else
- flash_write_cmd(info, sector, 0,
- FLASH_CMD_PROTECT_CLEAR);
-
+ FLASH_CMD_PROTECT_CLEAR);
+ }
+ break;
+ case CFI_CMDSET_AMD_EXTENDED:
+ case CFI_CMDSET_AMD_STANDARD:
+ /* U-Boot only checks the first byte */
+ if (manufact_match(info, ATM_MANUFACT)) {
+ if (prot) {
+ flash_unlock_seq(info, 0);
+ flash_write_cmd(info, 0,
+ info->addr_unlock1,
+ ATM_CMD_SOFTLOCK_START);
+ flash_unlock_seq(info, 0);
+ flash_write_cmd(info, sector, 0,
+ ATM_CMD_LOCK_SECT);
+ } else {
+ flash_write_cmd(info, 0,
+ info->addr_unlock1,
+ AMD_CMD_UNLOCK_START);
+ if (info->device_id == ATM_ID_BV6416)
+ flash_write_cmd(info, sector,
+ 0, ATM_CMD_UNLOCK_SECT);
}
- break;
- case CFI_CMDSET_AMD_EXTENDED:
- case CFI_CMDSET_AMD_STANDARD:
- /* U-Boot only checks the first byte */
- if (manufact_match(info, ATM_MANUFACT)) {
- if (prot) {
- flash_unlock_seq(info, 0);
- flash_write_cmd(info, 0,
- info->addr_unlock1,
- ATM_CMD_SOFTLOCK_START);
- flash_unlock_seq(info, 0);
+ }
+ if (info->legacy_unlock) {
+ int flag = disable_interrupts();
+ int lock_flag;
+
+ flash_unlock_seq(info, 0);
+ flash_write_cmd(info, 0, info->addr_unlock1,
+ AMD_CMD_SET_PPB_ENTRY);
+ lock_flag = flash_isset(info, sector, 0, 0x01);
+ if (prot) {
+ if (lock_flag) {
flash_write_cmd(info, sector, 0,
- ATM_CMD_LOCK_SECT);
- } else {
- flash_write_cmd(info, 0,
- info->addr_unlock1,
- AMD_CMD_UNLOCK_START);
- if (info->device_id == ATM_ID_BV6416)
- flash_write_cmd(info, sector,
- 0, ATM_CMD_UNLOCK_SECT);
+ AMD_CMD_PPB_LOCK_BC1);
+ flash_write_cmd(info, sector, 0,
+ AMD_CMD_PPB_LOCK_BC2);
}
- }
- if (info->legacy_unlock) {
- int flag = disable_interrupts();
- int lock_flag;
-
- flash_unlock_seq(info, 0);
- flash_write_cmd(info, 0, info->addr_unlock1,
- AMD_CMD_SET_PPB_ENTRY);
- lock_flag = flash_isset(info, sector, 0, 0x01);
- if (prot) {
- if (lock_flag) {
- flash_write_cmd(info, sector, 0,
- AMD_CMD_PPB_LOCK_BC1);
- flash_write_cmd(info, sector, 0,
- AMD_CMD_PPB_LOCK_BC2);
- }
- debug("sector %ld %slocked\n", sector,
- lock_flag ? "" : "already ");
- } else {
- if (!lock_flag) {
- debug("unlock %ld\n", sector);
- flash_write_cmd(info, 0, 0,
- AMD_CMD_PPB_UNLOCK_BC1);
- flash_write_cmd(info, 0, 0,
- AMD_CMD_PPB_UNLOCK_BC2);
- }
- debug("sector %ld %sunlocked\n", sector,
- !lock_flag ? "" : "already ");
+ debug("sector %ld %slocked\n", sector,
+ lock_flag ? "" : "already ");
+ } else {
+ if (!lock_flag) {
+ debug("unlock %ld\n", sector);
+ flash_write_cmd(info, 0, 0,
+ AMD_CMD_PPB_UNLOCK_BC1);
+ flash_write_cmd(info, 0, 0,
+ AMD_CMD_PPB_UNLOCK_BC2);
}
- if (flag)
- enable_interrupts();
-
- if (flash_status_check(info, sector,
- info->erase_blk_tout,
- prot ? "protect" : "unprotect"))
- printf("status check error\n");
-
- flash_write_cmd(info, 0, 0,
- AMD_CMD_SET_PPB_EXIT_BC1);
- flash_write_cmd(info, 0, 0,
- AMD_CMD_SET_PPB_EXIT_BC2);
+ debug("sector %ld %sunlocked\n", sector,
+ !lock_flag ? "" : "already ");
}
- break;
+ if (flag)
+ enable_interrupts();
+
+ if (flash_status_check(info, sector,
+ info->erase_blk_tout,
+ prot ? "protect" : "unprotect"))
+ printf("status check error\n");
+
+ flash_write_cmd(info, 0, 0,
+ AMD_CMD_SET_PPB_EXIT_BC1);
+ flash_write_cmd(info, 0, 0,
+ AMD_CMD_SET_PPB_EXIT_BC2);
+ }
+ break;
#ifdef CONFIG_FLASH_CFI_LEGACY
- case CFI_CMDSET_AMD_LEGACY:
- flash_write_cmd(info, sector, 0, FLASH_CMD_CLEAR_STATUS);
- flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT);
- if (prot)
- flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT_SET);
- else
- flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT_CLEAR);
+ case CFI_CMDSET_AMD_LEGACY:
+ flash_write_cmd(info, sector, 0, FLASH_CMD_CLEAR_STATUS);
+ flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT);
+ if (prot)
+ flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT_SET);
+ else
+ flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT_CLEAR);
#endif
};
if ((retcode =
flash_full_status_check(info, sector, info->erase_blk_tout,
prot ? "protect" : "unprotect")) == 0) {
-
info->protect[sector] = prot;
/*
/*-----------------------------------------------------------------------
* flash_read_user_serial - read the OneTimeProgramming cells
*/
-void flash_read_user_serial(flash_info_t * info, void *buffer, int offset,
+void flash_read_user_serial(flash_info_t *info, void *buffer, int offset,
int len)
{
uchar *src;
/*
* flash_read_factory_serial - read the device Id from the protection area
*/
-void flash_read_factory_serial(flash_info_t * info, void *buffer, int offset,
+void flash_read_factory_serial(flash_info_t *info, void *buffer, int offset,
int len)
{
uchar *src;
info->sr_supported = feature & 0x1;
}
- switch (info->chipwidth){
+ switch (info->chipwidth) {
case FLASH_CFI_8BIT:
info->device_id = flash_read_uchar(info,
FLASH_OFFSET_DEVICE_ID);
}
#ifdef CONFIG_FLASH_CFI_LEGACY
-static void flash_read_jedec_ids(flash_info_t * info)
+static void flash_read_jedec_ids(flash_info_t *info)
{
info->manufacturer_id = 0;
info->device_id = 0;
}
}
- switch(info->vendor) {
+ switch (info->vendor) {
case CFI_CMDSET_INTEL_PROG_REGIONS:
case CFI_CMDSET_INTEL_STANDARD:
case CFI_CMDSET_INTEL_EXTENDED:
udelay(1);
flash_write_cmd(info, 0, 0, FLASH_CMD_RESET);
}
+
void flash_cmd_reset(flash_info_t *info)
- __attribute__((weak,alias("__flash_cmd_reset")));
+ __attribute__((weak, alias("__flash_cmd_reset")));
-static int __flash_detect_cfi(flash_info_t * info, struct cfi_qry *qry)
+static int __flash_detect_cfi(flash_info_t *info, struct cfi_qry *qry)
{
int cfi_offset;
* modify the unlock address if we are
* in compatibility mode
*/
- if ( /* x8/x16 in x8 mode */
- ((info->chipwidth == FLASH_CFI_BY8) &&
- (info->interface == FLASH_CFI_X8X16)) ||
- /* x16/x32 in x16 mode */
- ((info->chipwidth == FLASH_CFI_BY16) &&
- (info->interface == FLASH_CFI_X16X32)))
+ if (/* x8/x16 in x8 mode */
+ ((info->chipwidth == FLASH_CFI_BY8) &&
+ (info->interface == FLASH_CFI_X8X16)) ||
+ /* x16/x32 in x16 mode */
+ ((info->chipwidth == FLASH_CFI_BY16) &&
+ (info->interface == FLASH_CFI_X16X32)))
{
info->addr_unlock1 = 0xaaa;
info->addr_unlock2 = 0x555;
return 0;
}
-static int flash_detect_cfi(flash_info_t * info, struct cfi_qry *qry)
+static int flash_detect_cfi(flash_info_t *info, struct cfi_qry *qry)
{
debug("flash detect cfi\n");
if (info->device_id == 0x5D23 || /* SST39VF3201B */
info->device_id == 0x5C23) { /* SST39VF3202B */
/* set sector granularity to 4KB */
- info->cmd_erase_sector=0x50;
+ info->cmd_erase_sector = 0x50;
}
}
num_erase_regions = qry.num_erase_regions;
if (info->ext_addr) {
- info->cfi_version = (ushort) flash_read_uchar(info,
+ info->cfi_version = (ushort)flash_read_uchar(info,
info->ext_addr + 3) << 8;
- info->cfi_version |= (ushort) flash_read_uchar(info,
+ info->cfi_version |= (ushort)flash_read_uchar(info,
info->ext_addr + 4);
}
#ifdef CONFIG_SYS_FLASH_PROTECTION
/* read environment from EEPROM */
char s[64];
+
env_get_f("unlock", s, sizeof(s));
#endif
#ifndef CONFIG_SYS_FLASH_QUIET_TEST
printf("## Unknown flash on Bank %d "
"- Size = 0x%08lx = %ld MB\n",
- i+1, flash_info[i].size,
+ i + 1, flash_info[i].size,
flash_info[i].size >> 20);
#endif /* CONFIG_SYS_FLASH_QUIET_TEST */
}