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

SVN-Revision: 6334
owl
Felix Fietkau 2007-02-20 22:44:59 +00:00
parent 5f019983aa
commit b37101053a
3 changed files with 19 additions and 2 deletions
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4
target/linux/atheros-2.6/files/arch/mips/atheros/ar5315.c
View File

@ -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;

6
target/linux/atheros-2.6/files/drivers/mtd/devices/spiflash.c
View File

@ -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);

11
target/linux/atheros-2.6/files/drivers/mtd/devices/spiflash.h
View File

@ -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