From a5bbcc3c53a7fb541f812d25d576c35f097438ba Mon Sep 17 00:00:00 2001
From: wdenk <wdenk>
Date: Wed, 29 Sep 2004 22:55:14 +0000
Subject: * Patches by Sean Chang, 09 Aug 2004:   - Added support for both 8
 and 16 bit mode access to System ACE CF     through MPU.   - Fixed missing
 System ACE CF device during get FAT partition info     in fat_register_device
 function.   - Enabled System ACE CF support on ML300.

* Patch by Sean Chang, 09 Aug 2004:
  Synch defines for saveenv and do_saveenv functions so they get
  compiled under the same statement.
---
 common/cmd_ace.c    | 27 +++++++++++++++++++++++++--
 common/cmd_nvedit.c |  5 +++--
 2 files changed, 28 insertions(+), 4 deletions(-)

(limited to 'common')

diff --git a/common/cmd_ace.c b/common/cmd_ace.c
index 4969811..c5b08bf 100644
--- a/common/cmd_ace.c
+++ b/common/cmd_ace.c
@@ -50,12 +50,35 @@
  */
 static unsigned ace_readw(unsigned offset)
 {
-      return readw(CFG_SYSTEMACE_BASE+offset);
+#if (CFG_SYSTEMACE_WIDTH == 8)
+  u16 temp;
+
+#if !defined(__BIG_ENDIAN)
+  temp =((u16)readb(CFG_SYSTEMACE_BASE+offset) << 8);
+  temp |= (u16)readb(CFG_SYSTEMACE_BASE+offset+1);
+#else
+  temp = (u16)readb(CFG_SYSTEMACE_BASE+offset);
+  temp |=((u16)readb(CFG_SYSTEMACE_BASE+offset+1) << 8);
+#endif
+  return temp;
+#else
+  return readw(CFG_SYSTEMACE_BASE+offset);
+#endif
 }
 
 static void ace_writew(unsigned val, unsigned offset)
 {
-      writew(val, CFG_SYSTEMACE_BASE+offset);
+#if (CFG_SYSTEMACE_WIDTH == 8)
+#if !defined(__BIG_ENDIAN)
+  writeb((u8)(val>>8), CFG_SYSTEMACE_BASE+offset);
+  writeb((u8)val, CFG_SYSTEMACE_BASE+offset+1);
+#else
+  writeb((u8)val, CFG_SYSTEMACE_BASE+offset);
+  writeb((u8)(val>>8), CFG_SYSTEMACE_BASE+offset+1);
+#endif
+#else
+  writew(val, CFG_SYSTEMACE_BASE+offset);
+#endif
 }
 
 /* */
diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c
index 3510561..578b0ca 100644
--- a/common/cmd_nvedit.c
+++ b/common/cmd_nvedit.c
@@ -586,8 +586,9 @@ U_BOOT_CMD(
 	"    - delete environment variable 'name'\n"
 );
 
-#if ((CONFIG_COMMANDS & (CFG_CMD_ENV|CFG_CMD_FLASH)) == (CFG_CMD_ENV|CFG_CMD_FLASH))
-
+#if defined(CFG_ENV_IS_IN_NVRAM) || defined(CFG_ENV_IS_IN_EEPROM) || \
+    ((CONFIG_COMMANDS & (CFG_CMD_ENV|CFG_CMD_FLASH)) == \
+      (CFG_CMD_ENV|CFG_CMD_FLASH))
 U_BOOT_CMD(
 	saveenv, 1, 0,	do_saveenv,
 	"saveenv - save environment variables to persistent storage\n",
-- 
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