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path: root/drivers/cfi_flash.c
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Diffstat (limited to 'drivers/cfi_flash.c')
-rw-r--r--drivers/cfi_flash.c63
1 files changed, 28 insertions, 35 deletions
diff --git a/drivers/cfi_flash.c b/drivers/cfi_flash.c
index 3d0f204..4b7a110 100644
--- a/drivers/cfi_flash.c
+++ b/drivers/cfi_flash.c
@@ -47,7 +47,6 @@
#include <common.h>
#include <asm/processor.h>
#include <asm/byteorder.h>
-#include <linux/byteorder/swab.h>
#include <environment.h>
#ifdef CFG_FLASH_CFI_DRIVER
@@ -167,9 +166,15 @@ typedef union {
#define NUM_ERASE_REGIONS 4
+/* 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 */
+#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 */
+#endif
-flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
/*-----------------------------------------------------------------------
* Functions
@@ -185,11 +190,13 @@ static int flash_isequal (flash_info_t * info, flash_sect_t sect, uint offset, u
static int flash_isset (flash_info_t * info, flash_sect_t sect, uint offset, uchar cmd);
static int flash_toggle (flash_info_t * info, flash_sect_t sect, uint offset, uchar cmd);
static int flash_detect_cfi (flash_info_t * info);
-static ulong flash_get_size (ulong base, int banknum);
+ulong flash_get_size (ulong base, int banknum);
static int flash_write_cfiword (flash_info_t * info, ulong dest, cfiword_t cword);
static int flash_full_status_check (flash_info_t * info, flash_sect_t sector,
ulong tout, char *prompt);
+#if defined(CFG_ENV_IS_IN_FLASH) || defined(CFG_ENV_ADDR_REDUND) || (CFG_MONITOR_BASE >= CFG_FLASH_BASE)
static flash_info_t *flash_get_info(ulong base);
+#endif
#ifdef CFG_FLASH_USE_BUFFER_WRITE
static int flash_write_cfibuffer (flash_info_t * info, ulong dest, uchar * cp, int len);
#endif
@@ -220,7 +227,7 @@ static void flash_printqry (flash_info_t * info, flash_sect_t sect)
cfiptr_t cptr;
int x, y;
- for (x = 0; x < 0x40; x += 16 / info->portwidth) {
+ for (x = 0; x < 0x40; x += 16U / info->portwidth) {
cptr.cp =
flash_make_addr (info, sect,
x + FLASH_OFFSET_CFI_RESP);
@@ -333,8 +340,10 @@ unsigned long flash_init (void)
flash_info[i].flash_id = FLASH_UNKNOWN;
size += flash_info[i].size = flash_get_size (bank_base[i], i);
if (flash_info[i].flash_id == FLASH_UNKNOWN) {
+#ifndef CFG_FLASH_QUIET_TEST
printf ("## Unknown FLASH on Bank %d - Size = 0x%08lx = %ld MB\n",
i, flash_info[i].size, flash_info[i].size << 20);
+#endif /* CFG_FLASH_QUIET_TEST */
}
}
@@ -366,10 +375,11 @@ unsigned long flash_init (void)
/*-----------------------------------------------------------------------
*/
+#if defined(CFG_ENV_IS_IN_FLASH) || defined(CFG_ENV_ADDR_REDUND) || (CFG_MONITOR_BASE >= CFG_FLASH_BASE)
static flash_info_t *flash_get_info(ulong base)
{
int i;
- flash_info_t * info;
+ flash_info_t * info = 0;
for (i = 0; i < CFG_MAX_FLASH_BANKS; i ++) {
info = & flash_info[i];
@@ -380,6 +390,7 @@ static flash_info_t *flash_get_info(ulong base)
return i == CFG_MAX_FLASH_BANKS ? 0 : info;
}
+#endif
/*-----------------------------------------------------------------------
*/
@@ -498,11 +509,11 @@ void flash_print_info (flash_info_t * info)
info->start[i],
erased ? " E" : " ",
info->protect[i] ? "RO " : " ");
-#else
+#else /* ! CFG_FLASH_EMPTY_INFO */
if ((i % 5) == 0)
printf ("\n ");
printf (" %08lX%s",
- info->start[i], info->protect[i] ? " (RO) " : " ");
+ info->start[i], info->protect[i] ? " (RO)" : " ");
#endif
}
putc ('\n');
@@ -639,7 +650,7 @@ void flash_read_user_serial (flash_info_t * info, void *buffer, int offset,
src = flash_make_addr (info, 0, FLASH_OFFSET_USER_PROTECTION);
flash_write_cmd (info, 0, 0, FLASH_CMD_READ_ID);
memcpy (dst, src + offset, len);
- flash_write_cmd (info, 0, 0, FLASH_CMD_RESET);
+ flash_write_cmd (info, 0, 0, info->cmd_reset);
}
/*
@@ -653,7 +664,7 @@ void flash_read_factory_serial (flash_info_t * info, void *buffer, int offset,
src = flash_make_addr (info, 0, FLASH_OFFSET_INTEL_PROTECTION);
flash_write_cmd (info, 0, 0, FLASH_CMD_READ_ID);
memcpy (buffer, src + offset, len);
- flash_write_cmd (info, 0, 0, FLASH_CMD_RESET);
+ flash_write_cmd (info, 0, 0, info->cmd_reset);
}
#endif /* CFG_FLASH_PROTECTION */
@@ -738,7 +749,7 @@ static int flash_full_status_check (flash_info_t * info, flash_sect_t sector,
if (flash_isset (info, sector, 0, FLASH_STATUS_VPENS))
puts ("Vpp Low Error.\n");
}
- flash_write_cmd (info, sector, 0, FLASH_CMD_RESET);
+ flash_write_cmd (info, sector, 0, info->cmd_reset);
break;
default:
break;
@@ -797,32 +808,14 @@ static void flash_add_byte (flash_info_t * info, cfiword_t * cword, uchar c)
static void flash_make_cmd (flash_info_t * info, uchar cmd, void *cmdbuf)
{
int i;
-
-#if defined(__LITTLE_ENDIAN)
- ushort stmpw;
- uint stmpi;
-#endif
uchar *cp = (uchar *) cmdbuf;
- for (i = 0; i < info->portwidth; i++)
- *cp++ = ((i + 1) & (info->chipwidth - 1)) ? '\0' : cmd;
#if defined(__LITTLE_ENDIAN)
- switch (info->portwidth) {
- case FLASH_CFI_8BIT:
- break;
- case FLASH_CFI_16BIT:
- stmpw = *(ushort *) cmdbuf;
- *(ushort *) cmdbuf = __swab16 (stmpw);
- break;
- case FLASH_CFI_32BIT:
- stmpi = *(uint *) cmdbuf;
- *(uint *) cmdbuf = __swab32 (stmpi);
- break;
- default:
- puts ("WARNING: flash_make_cmd: unsuppported LittleEndian mode\n");
- break;
- }
+ for (i = info->portwidth; i > 0; i--)
+#else
+ for (i = 1; i <= info->portwidth; i++)
#endif
+ *cp++ = (i & (info->chipwidth - 1)) ? '\0' : cmd;
}
/*
@@ -997,7 +990,7 @@ static int flash_detect_cfi (flash_info_t * info)
for (info->chipwidth = FLASH_CFI_BY8;
info->chipwidth <= info->portwidth;
info->chipwidth <<= 1) {
- flash_write_cmd (info, 0, 0, FLASH_CMD_RESET);
+ flash_write_cmd (info, 0, 0, info->cmd_reset);
flash_write_cmd (info, 0, FLASH_OFFSET_CFI, FLASH_CMD_CFI);
if (flash_isequal (info, 0, FLASH_OFFSET_CFI_RESP, 'Q')
&& flash_isequal (info, 0, FLASH_OFFSET_CFI_RESP + 1, 'R')
@@ -1022,7 +1015,7 @@ static int flash_detect_cfi (flash_info_t * info)
* The following code cannot be run from FLASH!
*
*/
-static ulong flash_get_size (ulong base, int banknum)
+ulong flash_get_size (ulong base, int banknum)
{
flash_info_t *info = &flash_info[banknum];
int i, j;
@@ -1121,7 +1114,7 @@ static ulong flash_get_size (ulong base, int banknum)
}
}
- flash_write_cmd (info, 0, 0, FLASH_CMD_RESET);
+ flash_write_cmd (info, 0, 0, info->cmd_reset);
return (info->size);
}
generated by cgit v1.1 at 2024-07-11 08:25:20 +0000