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authorWolfgang Denk <wd@pollux.denx.de>2007-01-19 22:56:23 +0100
committerWolfgang Denk <wd@denx.de>2007-01-19 22:56:23 +0100
commit2ed5594649821a674a2ee256f9d49f9e97ba474d (patch)
tree9c98c291d4690a797ad59dad7e17d0d2dd7efc58
parent15e5025a7337df1ab94549bdd79db08083868b85 (diff)
parentf539b7ba7d7ef6dd187c8209609001cb1cd95e39 (diff)
downloadblackbird-obmc-uboot-2ed5594649821a674a2ee256f9d49f9e97ba474d.tar.gz
blackbird-obmc-uboot-2ed5594649821a674a2ee256f9d49f9e97ba474d.zip
Merge with /home/hs/SC3/u-boot-dev
-rw-r--r--drivers/cfi_flash.c26
-rw-r--r--include/configs/sc3.h28
2 files changed, 26 insertions, 28 deletions
diff --git a/drivers/cfi_flash.c b/drivers/cfi_flash.c
index 665d8e7649..696f9a47ad 100644
--- a/drivers/cfi_flash.c
+++ b/drivers/cfi_flash.c
@@ -40,10 +40,6 @@
#include <environment.h>
#ifdef CFG_FLASH_CFI_DRIVER
-#if defined(CONFIG_SOLIDCARD3)
-#define __LITTLE_ENDIAN
-#endif
-
/*
* This file implements a Common Flash Interface (CFI) driver for U-Boot.
* The width of the port and the width of the chips are determined at initialization.
@@ -58,6 +54,8 @@
* 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
+ * reading and writing ... (yes there is such a Hardware).
*/
#ifndef CFG_FLASH_BANKS_LIST
@@ -260,7 +258,7 @@ inline uchar flash_read_uchar (flash_info_t * info, uint offset)
uchar *cp;
cp = flash_make_addr (info, 0, offset);
-#if defined(__LITTLE_ENDIAN)
+#if defined(__LITTLE_ENDIAN) || defined(CFG_WRITE_SWAPPED_DATA)
return (cp[0]);
#else
return (cp[info->portwidth - 1]);
@@ -287,7 +285,7 @@ ushort flash_read_ushort (flash_info_t * info, flash_sect_t sect, uint offset)
debug ("addr[%x] = 0x%x\n", x, addr[x]);
}
#endif
-#if defined(__LITTLE_ENDIAN)
+#if defined(__LITTLE_ENDIAN) || defined(CFG_WRITE_SWAPPED_DATA)
retval = ((addr[(info->portwidth)] << 8) | addr[0]);
#else
retval = ((addr[(2 * info->portwidth) - 1] << 8) |
@@ -319,7 +317,7 @@ ulong flash_read_long (flash_info_t * info, flash_sect_t sect, uint offset)
debug ("addr[%x] = 0x%x\n", x, addr[x]);
}
#endif
-#if defined(__LITTLE_ENDIAN)
+#if defined(__LITTLE_ENDIAN) || defined(CFG_WRITE_SWAPPED_DATA)
retval = (addr[0] << 16) | (addr[(info->portwidth)] << 24) |
(addr[(2 * info->portwidth)]) | (addr[(3 * info->portwidth)] << 8);
#else
@@ -860,7 +858,7 @@ 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(CONFIG_SOLIDCARD3)
+#if defined(__LITTLE_ENDIAN) && !defined(CFG_WRITE_SWAPPED_DATA)
unsigned short w;
unsigned int l;
unsigned long long ll;
@@ -871,7 +869,7 @@ 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(CONFIG_SOLIDCARD3)
+#if defined(__LITTLE_ENDIAN) && !defined(CFG_WRITE_SWAPPED_DATA)
w = c;
w <<= 8;
cword->w = (cword->w >> 8) | w;
@@ -880,7 +878,7 @@ 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(CONFIG_SOLIDCARD3)
+#if defined(__LITTLE_ENDIAN) && !defined(CFG_WRITE_SWAPPED_DATA)
l = c;
l <<= 24;
cword->l = (cword->l >> 8) | l;
@@ -889,7 +887,7 @@ 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(CONFIG_SOLIDCARD3)
+#if defined(__LITTLE_ENDIAN) && !defined(CFG_WRITE_SWAPPED_DATA)
ll = c;
ll <<= 56;
cword->ll = (cword->ll >> 8) | ll;
@@ -909,7 +907,7 @@ static void flash_make_cmd (flash_info_t * info, uchar cmd, void *cmdbuf)
int i;
uchar *cp = (uchar *) cmdbuf;
-#if defined(__LITTLE_ENDIAN)
+#if defined(__LITTLE_ENDIAN) || defined(CFG_WRITE_SWAPPED_DATA)
for (i = info->portwidth; i > 0; i--)
#else
for (i = 1; i <= info->portwidth; i++)
@@ -1535,8 +1533,4 @@ static int flash_write_cfibuffer (flash_info_t * info, ulong dest, uchar * cp,
}
#endif /* CFG_FLASH_USE_BUFFER_WRITE */
-#if defined(CONFIG_SOLIDCARD3)
-#undef __LITTLE_ENDIAN
-#endif
-
#endif /* CFG_FLASH_CFI */
diff --git a/include/configs/sc3.h b/include/configs/sc3.h
index a4a1605460..b767449759 100644
--- a/include/configs/sc3.h
+++ b/include/configs/sc3.h
@@ -119,6 +119,8 @@
"net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
"rootpath=/opt/eldk/ppc_4xx\0" \
"bootfile=/tftpboot/sc3/uImage\0" \
+ "u-boot=/tftpboot/sc3/u-boot.bin\0" \
+ "setup=tftp 200000 /tftpboot/sc3/setup.img;autoscr 200000\0" \
"kernel_addr=FFE08000\0" \
""
#undef CONFIG_BOOTCOMMAND
@@ -165,18 +167,19 @@
#define CONFIG_COMMANDS \
(CONFIG_CMD_DFL | \
- CFG_CMD_PCI | \
- CFG_CMD_IRQ | \
- CFG_CMD_NET | \
- CFG_CMD_MII | \
- CFG_CMD_PING | \
- CFG_CMD_NAND | \
- CFG_CMD_JFFS2 | \
- CFG_CMD_I2C | \
- CFG_CMD_IDE | \
- CFG_CMD_DATE | \
- CFG_CMD_DHCP | \
- CFG_CMD_CACHE | \
+ CFG_CMD_AUTOSCRIPT | \
+ CFG_CMD_PCI | \
+ CFG_CMD_IRQ | \
+ CFG_CMD_NET | \
+ CFG_CMD_MII | \
+ CFG_CMD_PING | \
+ CFG_CMD_NAND | \
+ CFG_CMD_JFFS2 | \
+ CFG_CMD_I2C | \
+ CFG_CMD_IDE | \
+ CFG_CMD_DATE | \
+ CFG_CMD_DHCP | \
+ CFG_CMD_CACHE | \
CFG_CMD_ELF )
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
@@ -384,6 +387,7 @@ extern unsigned long offsetOfEnvironment;
#define CFG_FLASH_QUIET_TEST 1 /* don't warn upon unknown flash*/
#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
+#define CFG_WRITE_SWAPPED_DATA /* swap Databytes between reading/writing */
#define CFG_ENV_IS_IN_FLASH 1
#if CFG_ENV_IS_IN_FLASH
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