From: Felix Fietkau <nbd@openwrt.org>
Date: Tue, 20 Feb 2007 22:44:59 +0000 (+0000)
Subject: add 16MB flash support for ar2315 (who knows...?)
X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fsvn-archive%2Farchive.git;a=commitdiff_plain;h=4afdaaf9fb6f5bc4eda6ca65cf05bb491e71423d

add 16MB flash support for ar2315 (who knows...?)

SVN-Revision: 6334
---

diff --git a/target/linux/atheros-2.6/files/arch/mips/atheros/ar5315.c b/target/linux/atheros-2.6/files/arch/mips/atheros/ar5315.c
index 4e09fe01f0..0255ae3246 100644
--- a/target/linux/atheros-2.6/files/arch/mips/atheros/ar5315.c
+++ b/target/linux/atheros-2.6/files/arch/mips/atheros/ar5315.c
@@ -143,6 +143,7 @@ static __u8 spiflash_probe(void)
 #define STM_16MBIT_SIGNATURE    0x14
 #define STM_32MBIT_SIGNATURE    0x15
 #define STM_64MBIT_SIGNATURE    0x16
+#define STM_128MBIT_SIGNATURE   0x17
 
 
 static char __init *ar5315_flash_limit(void)
@@ -168,6 +169,9 @@ static char __init *ar5315_flash_limit(void)
 		case STM_64MBIT_SIGNATURE:
 			flash_size = 0x00800000;
 			break;
+		case STM_128MBIT_SIGNATURE:
+			flash_size = 0x01000000;
+			break;
 	}
 
 	ar5315_spiflash_res[0].end = ar5315_spiflash_res[0].start + flash_size;
diff --git a/target/linux/atheros-2.6/files/drivers/mtd/devices/spiflash.c b/target/linux/atheros-2.6/files/drivers/mtd/devices/spiflash.c
index 029f624eb9..75a59d6e81 100644
--- a/target/linux/atheros-2.6/files/drivers/mtd/devices/spiflash.c
+++ b/target/linux/atheros-2.6/files/drivers/mtd/devices/spiflash.c
@@ -84,7 +84,8 @@ struct flashconfig {
         { STM_1MB_BYTE_COUNT, STM_1MB_SECTOR_COUNT, STM_1MB_SECTOR_SIZE, 0x0},
         { STM_2MB_BYTE_COUNT, STM_2MB_SECTOR_COUNT, STM_2MB_SECTOR_SIZE, 0x0},
         { STM_4MB_BYTE_COUNT, STM_4MB_SECTOR_COUNT, STM_4MB_SECTOR_SIZE, 0x0},
-        { STM_8MB_BYTE_COUNT, STM_8MB_SECTOR_COUNT, STM_8MB_SECTOR_SIZE, 0x0}
+        { STM_8MB_BYTE_COUNT, STM_8MB_SECTOR_COUNT, STM_8MB_SECTOR_SIZE, 0x0},
+        { STM_16MB_BYTE_COUNT, STM_16MB_SECTOR_COUNT, STM_16MB_SECTOR_SIZE, 0x0}
     };
 
 /* Mapping of generic opcodes to STM serial flash opcodes */
@@ -215,6 +216,9 @@ spiflash_probe_chip (void)
         case STM_64MBIT_SIGNATURE:
             	flash_size = FLASH_8MB;
             	break;
+        case STM_128MBIT_SIGNATURE:
+            	flash_size = FLASH_16MB;
+            	break;
         default:
 	    	printk (KERN_WARNING "%s: Read of flash device signature failed!\n", module_name);
             	return (0);
diff --git a/target/linux/atheros-2.6/files/drivers/mtd/devices/spiflash.h b/target/linux/atheros-2.6/files/drivers/mtd/devices/spiflash.h
index e543e040fd..ac0a93b977 100644
--- a/target/linux/atheros-2.6/files/drivers/mtd/devices/spiflash.h
+++ b/target/linux/atheros-2.6/files/drivers/mtd/devices/spiflash.h
@@ -17,7 +17,8 @@
 #define FLASH_2MB  2
 #define FLASH_4MB  3
 #define FLASH_8MB  4
-#define MAX_FLASH  5
+#define FLASH_16MB 5
+#define MAX_FLASH  6
 
 #define STM_PAGE_SIZE           256
 
@@ -57,6 +58,11 @@
 #define STM_M25P64_SECTOR_COUNT 128
 #define STM_M25P64_SECTOR_SIZE  0x10000
 
+#define STM_128MBIT_SIGNATURE   0x17
+#define STM_M25P128_BYTE_COUNT   16777216
+#define STM_M25P128_SECTOR_COUNT 256
+#define STM_M25P128_SECTOR_SIZE  0x10000
+
 #define STM_1MB_BYTE_COUNT   STM_M25P80_BYTE_COUNT
 #define STM_1MB_SECTOR_COUNT STM_M25P80_SECTOR_COUNT
 #define STM_1MB_SECTOR_SIZE  STM_M25P80_SECTOR_SIZE
@@ -69,6 +75,9 @@
 #define STM_8MB_BYTE_COUNT   STM_M25P64_BYTE_COUNT
 #define STM_8MB_SECTOR_COUNT STM_M25P64_SECTOR_COUNT
 #define STM_8MB_SECTOR_SIZE  STM_M25P64_SECTOR_SIZE
+#define STM_16MB_BYTE_COUNT   STM_M25P128_BYTE_COUNT
+#define STM_16MB_SECTOR_COUNT STM_M25P128_SECTOR_COUNT
+#define STM_16MB_SECTOR_SIZE  STM_M25P128_SECTOR_SIZE
 
 /*
  * ST Microelectronics Opcodes for Serial Flash