Merge branch 'master' of /home/wd/git/u-boot/master

1 files changed, 35 insertions, 27 deletions

diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c
index 2d09caf738..1191ef02f8 100644
--- a/drivers/mtd/cfi_flash.c
+++ b/drivers/mtd/cfi_flash.c
@@ -1096,8 +1096,30 @@ int flash_erase (flash_info_t * info, int s_first, int s_last)
 	return rcode;
 }
 
-/*-----------------------------------------------------------------------
- */
+#ifdef CONFIG_SYS_FLASH_EMPTY_INFO
+static int sector_erased(flash_info_t *info, int i)
+{
+	int k;
+	int size;
+	volatile unsigned long *flash;
+
+	/*
+	 * Check if whole sector is erased
+	 */
+	size = flash_sector_size(info, i);
+	flash = (volatile unsigned long *) info->start[i];
+	/* divide by 4 for longword access */
+	size = size >> 2;
+
+	for (k = 0; k < size; k++) {
+		if (*flash++ != 0xffffffff)
+			return 0;	/* not erased */
+	}
+
+	return 1;			/* erased */
+}
+#endif /* CONFIG_SYS_FLASH_EMPTY_INFO */
+
 void flash_print_info (flash_info_t * info)
 {
 	int i;
@@ -1142,8 +1164,10 @@ void flash_print_info (flash_info_t * info)
 			printf ("Unknown (%d)", info->vendor);
 			break;
 	}
-	printf (" command set, Manufacturer ID: 0x%02X, Device ID: 0x%02X",
-		info->manufacturer_id, info->device_id);
+	printf (" command set, Manufacturer ID: 0x%02X, Device ID: 0x",
+		info->manufacturer_id);
+	printf (info->chipwidth == FLASH_CFI_16BIT ? "%04X" : "%02X",
+		info->device_id);
 	if (info->device_id == 0x7E) {
 		printf("%04X", info->device_id2);
 	}
@@ -1159,32 +1183,15 @@ void flash_print_info (flash_info_t * info)
 
 	puts ("\n  Sector Start Addresses:");
 	for (i = 0; i < info->sector_count; ++i) {
+		if (ctrlc())
+			break;
 		if ((i % 5) == 0)
-			printf ("\n");
+			putc('\n');
 #ifdef CONFIG_SYS_FLASH_EMPTY_INFO
-		int k;
-		int size;
-		int erased;
-		volatile unsigned long *flash;
-
-		/*
-		 * Check if whole sector is erased
-		 */
-		size = flash_sector_size(info, i);
-		erased = 1;
-		flash = (volatile unsigned long *) info->start[i];
-		size = size >> 2;	/* divide by 4 for longword access */
-		for (k = 0; k < size; k++) {
-			if (*flash++ != 0xffffffff) {
-				erased = 0;
-				break;
-			}
-		}
-
 		/* print empty and read-only info */
 		printf ("  %08lX %c %s ",
 			info->start[i],
-			erased ? 'E' : ' ',
+			sector_erased(info, i) ? 'E' : ' ',
 			info->protect[i] ? "RO" : "  ");
 #else	/* ! CONFIG_SYS_FLASH_EMPTY_INFO */
 		printf ("  %08lX   %s ",
@@ -1477,8 +1484,9 @@ static void cmdset_intel_read_jedec_ids(flash_info_t *info)
 	udelay(1000); /* some flash are slow to respond */
 	info->manufacturer_id = flash_read_uchar (info,
 					FLASH_OFFSET_MANUFACTURER_ID);
-	info->device_id = flash_read_uchar (info,
-					FLASH_OFFSET_DEVICE_ID);
+	info->device_id = (info->chipwidth == FLASH_CFI_16BIT) ?
+			flash_read_word (info, FLASH_OFFSET_DEVICE_ID) :
+			flash_read_uchar (info, FLASH_OFFSET_DEVICE_ID);
 	flash_write_cmd(info, 0, 0, FLASH_CMD_RESET);
 }