#include <asm/io.h>
#include <asm/byteorder.h>
#include <environment.h>
-#ifdef CFG_FLASH_CFI_DRIVER
/*
* This file implements a Common Flash Interface (CFI) driver for
#define AMD_STATUS_TOGGLE 0x40
#define AMD_STATUS_ERROR 0x20
+#define ATM_CMD_UNLOCK_SECT 0x70
+#define ATM_CMD_SOFTLOCK_START 0x80
+#define ATM_CMD_LOCK_SECT 0x40
+
#define FLASH_OFFSET_MANUFACTURER_ID 0x00
#define FLASH_OFFSET_DEVICE_ID 0x01
#define FLASH_OFFSET_DEVICE_ID2 0x0E
/* use CFG_MAX_FLASH_BANKS_DETECT if defined */
#ifdef CFG_MAX_FLASH_BANKS_DETECT
-static ulong bank_base[CFG_MAX_FLASH_BANKS_DETECT] = CFG_FLASH_BANKS_LIST;
-flash_info_t flash_info[CFG_MAX_FLASH_BANKS_DETECT]; /* FLASH chips info */
+# define CFI_MAX_FLASH_BANKS CFG_MAX_FLASH_BANKS_DETECT
#else
-static ulong bank_base[CFG_MAX_FLASH_BANKS] = CFG_FLASH_BANKS_LIST;
-flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* FLASH chips info */
+# define CFI_MAX_FLASH_BANKS CFG_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.
*/
/*-----------------------------------------------------------------------
*/
-#if defined(CFG_ENV_IS_IN_FLASH) || defined(CFG_ENV_ADDR_REDUND) || (CFG_MONITOR_BASE >= CFG_FLASH_BASE)
+#if defined(CONFIG_ENV_IS_IN_FLASH) || defined(CONFIG_ENV_ADDR_REDUND) || (CFG_MONITOR_BASE >= CFG_FLASH_BASE)
static flash_info_t *flash_get_info(ulong base)
{
int i;
/*-----------------------------------------------------------------------
* make a proper sized command based on the port and chip widths
*/
-static void flash_make_cmd (flash_info_t * info, ulong cmd, void *cmdbuf)
+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)
+ u32 cmd_le = cpu_to_le32(cmd);
+#endif
uchar val;
uchar *cp = (uchar *) cmdbuf;
cword_offset = (info->portwidth-i)%info->chipwidth;
#if defined(__LITTLE_ENDIAN) || defined(CFG_WRITE_SWAPPED_DATA)
cp_offset = info->portwidth - i;
- val = *((uchar*)&cmd + cword_offset);
+ val = *((uchar*)&cmd_le + cword_offset);
#else
cp_offset = i - 1;
- val = *((uchar*)&cmd + sizeof(ulong) - cword_offset - 1);
+ val = *((uchar*)&cmd + sizeof(u32) - cword_offset - 1);
#endif
- cp[cp_offset] = (cword_offset >= sizeof(ulong)) ? 0x00 : val;
+ cp[cp_offset] = (cword_offset >= sizeof(u32)) ? 0x00 : val;
}
}
* Write a proper sized command to the correct address
*/
static void flash_write_cmd (flash_info_t * info, flash_sect_t sect,
- uint offset, ulong cmd)
+ uint offset, u32 cmd)
{
void *addr;
retval = (flash_read16(addr) == cword.w);
break;
case FLASH_CFI_32BIT:
- debug ("is= %8.8lx %8.8lx\n", flash_read32(addr), cword.l);
+ debug ("is= %8.8x %8.8lx\n", flash_read32(addr), cword.l);
retval = (flash_read32(addr) == cword.l);
break;
case FLASH_CFI_64BIT:
{
int retcode = 0;
- 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);
+ switch (info->vendor) {
+ case CFI_CMDSET_INTEL_PROG_REGIONS:
+ case CFI_CMDSET_INTEL_STANDARD:
+ case CFI_CMDSET_INTEL_EXTENDED:
+ 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);
+ break;
+ case CFI_CMDSET_AMD_EXTENDED:
+ case CFI_CMDSET_AMD_STANDARD:
+ /* U-Boot only checks the first byte */
+ if (info->manufacturer_id == (uchar)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;
+#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);
+#endif
+ };
if ((retcode =
flash_full_status_check (info, sector, info->erase_blk_tout,
char *s = getenv("unlock");
#endif
+#define BANK_BASE(i) (((unsigned long [CFI_MAX_FLASH_BANKS])CFG_FLASH_BANKS_LIST)[i])
+
/* Init: no FLASHes known */
for (i = 0; i < CFG_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);
+ 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
#endif
/* Environment protection ON by default */
-#ifdef CFG_ENV_IS_IN_FLASH
+#ifdef CONFIG_ENV_IS_IN_FLASH
flash_protect (FLAG_PROTECT_SET,
- CFG_ENV_ADDR,
- CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
- flash_get_info(CFG_ENV_ADDR));
+ CONFIG_ENV_ADDR,
+ CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1,
+ flash_get_info(CONFIG_ENV_ADDR));
#endif
/* Redundant environment protection ON by default */
-#ifdef CFG_ENV_ADDR_REDUND
+#ifdef CONFIG_ENV_ADDR_REDUND
flash_protect (FLAG_PROTECT_SET,
- CFG_ENV_ADDR_REDUND,
- CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 1,
- flash_get_info(CFG_ENV_ADDR_REDUND));
+ CONFIG_ENV_ADDR_REDUND,
+ CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SIZE_REDUND - 1,
+ flash_get_info(CONFIG_ENV_ADDR_REDUND));
#endif
#if defined(CFG_FLASH_AUTOPROTECT_LIST)
#endif
return (size);
}
-
-#endif /* CFG_FLASH_CFI */
projects / karo-tx-uboot.git / blobdiff