From b37101053aad1afc08f689d32907aafaa3b48b8c Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Tue, 20 Feb 2007 22:44:59 +0000
Subject: [PATCH] add 16MB flash support for ar2315 (who knows...?)
SVN-Revision: 6334
---
.../atheros-2.6/files/arch/mips/atheros/ar5315.c | 4 ++++
.../atheros-2.6/files/drivers/mtd/devices/spiflash.c | 6 +++++-
.../atheros-2.6/files/drivers/mtd/devices/spiflash.h | 11 ++++++++++-
3 files changed, 19 insertions(+), 2 deletions(-)
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
--
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