[U-Boot-Users] [PATCH] M18 flash (Sibley) support (attempt 2)

[Vasiliy Leoenenko]

The first patch (support of long commands):

===================================================
diff -aupNr a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c
--- a/drivers/mtd/cfi_flash.c	2008-04-21 02:39:38.000000000 +0400
+++ b/drivers/mtd/cfi_flash.c	2008-04-29 15:57:51.000000000 +0400
@@ -298,17 +298,29 @@ static inline void flash_unmap(flash_inf
 /*-----------------------------------------------------------------------
  * make a proper sized command based on the port and chip widths
  */
-static void flash_make_cmd (flash_info_t * info, uchar cmd, void *cmdbuf)
+static void flash_make_cmd (flash_info_t * info, ulong cmd, void *cmdbuf)
 {
 	int i;
+	int cpofft;
 	uchar *cp = (uchar *) cmdbuf;
+	uchar cp_val;
 
 #if defined(__LITTLE_ENDIAN) || defined(CFG_WRITE_SWAPPED_DATA)
-	for (i = info->portwidth; i > 0; i--)
+	for (i = sizeof(cfiword_t); i > 0; i--)
+	{
+		cpofft=(i-1);
 #else
-	for (i = 1; i <= info->portwidth; i++)
-#endif
-		*cp++ = (i & (info->chipwidth - 1)) ? '\0' : cmd;
+	for (i = 1; i <= sizeof(cfiword_t); i++)
+	{
+		cpofft=(sizeof(cfiword_t)-i);
+#endif
+		if( cpofft%info->chipwidth >= sizeof(ulong) || cpofft>=info->portwidth)
+			cp_val = 0x00;
+		else
+			cp_val = *((uchar*)&cmd + cpofft%info->chipwidth);
+			
+		cp[i-1] = cp_val;		
+	}
 }
 
 #ifdef DEBUG
@@ -422,7 +434,7 @@ static ulong flash_read_long (flash_info
  * Write a proper sized command to the correct address
  */
 static void flash_write_cmd (flash_info_t * info, flash_sect_t sect,
-			     uint offset, uchar cmd)
+			     uint offset, ulong cmd)
 {
 
 	void *addr;
@@ -911,7 +923,7 @@ static int flash_write_cfibuffer (flash_
 			/* reduce the number of loops by the width of
 			 * the port */
 			cnt = len >> shift;
-			flash_write_cmd (info, sector, 0, (uchar) cnt - 1);
+			flash_write_cmd (info, sector, 0, cnt - 1);
 			while (cnt-- > 0) {
 				switch (info->portwidth) {
 				case FLASH_CFI_8BIT: