diff options
Diffstat (limited to 'target/linux/atheros/files/drivers/mtd/devices/spiflash.h')
| -rw-r--r-- | target/linux/atheros/files/drivers/mtd/devices/spiflash.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/target/linux/atheros/files/drivers/mtd/devices/spiflash.h b/target/linux/atheros/files/drivers/mtd/devices/spiflash.h new file mode 100644 index 000000000..2553c6f50 --- /dev/null +++ b/target/linux/atheros/files/drivers/mtd/devices/spiflash.h @@ -0,0 +1,120 @@ +/* + * SPI Flash Memory support header file. + * + * $Id: //depot/sw/releases/linuxsrc/src/kernels/mips-linux-2.4.25/drivers/mtd/devices/spiflash.h#3 $ + * + * + * Copyright (c) 2005, Atheros Communications Inc. + * Copyright (C) 2006 FON Technology, SL. + * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org> + * + * This code is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ +#define FLASH_1MB 1 +#define FLASH_2MB 2 +#define FLASH_4MB 3 +#define FLASH_8MB 4 +#define FLASH_16MB 5 +#define MAX_FLASH 6 + +#define STM_PAGE_SIZE 256 + +#define SFI_WRITE_BUFFER_SIZE 4 +#define SFI_FLASH_ADDR_MASK 0x00ffffff + +#define STM_8MBIT_SIGNATURE 0x13 +#define STM_M25P80_BYTE_COUNT 1048576 +#define STM_M25P80_SECTOR_COUNT 16 +#define STM_M25P80_SECTOR_SIZE 0x10000 + +#define STM_16MBIT_SIGNATURE 0x14 +#define STM_M25P16_BYTE_COUNT 2097152 +#define STM_M25P16_SECTOR_COUNT 32 +#define STM_M25P16_SECTOR_SIZE 0x10000 + +#define STM_32MBIT_SIGNATURE 0x15 +#define STM_M25P32_BYTE_COUNT 4194304 +#define STM_M25P32_SECTOR_COUNT 64 +#define STM_M25P32_SECTOR_SIZE 0x10000 + +#define STM_64MBIT_SIGNATURE 0x16 +#define STM_M25P64_BYTE_COUNT 8388608 +#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 +#define STM_2MB_BYTE_COUNT STM_M25P16_BYTE_COUNT +#define STM_2MB_SECTOR_COUNT STM_M25P16_SECTOR_COUNT +#define STM_2MB_SECTOR_SIZE STM_M25P16_SECTOR_SIZE +#define STM_4MB_BYTE_COUNT STM_M25P32_BYTE_COUNT +#define STM_4MB_SECTOR_COUNT STM_M25P32_SECTOR_COUNT +#define STM_4MB_SECTOR_SIZE STM_M25P32_SECTOR_SIZE +#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 + */ + +#define STM_OP_WR_ENABLE 0x06 /* Write Enable */ +#define STM_OP_WR_DISABLE 0x04 /* Write Disable */ +#define STM_OP_RD_STATUS 0x05 /* Read Status */ +#define STM_OP_WR_STATUS 0x01 /* Write Status */ +#define STM_OP_RD_DATA 0x03 /* Read Data */ +#define STM_OP_FAST_RD_DATA 0x0b /* Fast Read Data */ +#define STM_OP_PAGE_PGRM 0x02 /* Page Program */ +#define STM_OP_SECTOR_ERASE 0xd8 /* Sector Erase */ +#define STM_OP_BULK_ERASE 0xc7 /* Bulk Erase */ +#define STM_OP_DEEP_PWRDOWN 0xb9 /* Deep Power-Down Mode */ +#define STM_OP_RD_SIG 0xab /* Read Electronic Signature */ + +#define STM_STATUS_WIP 0x01 /* Write-In-Progress */ +#define STM_STATUS_WEL 0x02 /* Write Enable Latch */ +#define STM_STATUS_BP0 0x04 /* Block Protect 0 */ +#define STM_STATUS_BP1 0x08 /* Block Protect 1 */ +#define STM_STATUS_BP2 0x10 /* Block Protect 2 */ +#define STM_STATUS_SRWD 0x80 /* Status Register Write Disable */ + +/* + * SPI Flash Interface Registers + */ +#define AR531XPLUS_SPI_READ 0x08000000 +#define AR531XPLUS_SPI_MMR 0x11300000 +#define AR531XPLUS_SPI_MMR_SIZE 12 + +#define AR531XPLUS_SPI_CTL 0x00 +#define AR531XPLUS_SPI_OPCODE 0x04 +#define AR531XPLUS_SPI_DATA 0x08 + +#define SPI_FLASH_READ AR531XPLUS_SPI_READ +#define SPI_FLASH_MMR AR531XPLUS_SPI_MMR +#define SPI_FLASH_MMR_SIZE AR531XPLUS_SPI_MMR_SIZE +#define SPI_FLASH_CTL AR531XPLUS_SPI_CTL +#define SPI_FLASH_OPCODE AR531XPLUS_SPI_OPCODE +#define SPI_FLASH_DATA AR531XPLUS_SPI_DATA + +#define SPI_CTL_START 0x00000100 +#define SPI_CTL_BUSY 0x00010000 +#define SPI_CTL_TXCNT_MASK 0x0000000f +#define SPI_CTL_RXCNT_MASK 0x000000f0 +#define SPI_CTL_TX_RX_CNT_MASK 0x000000ff +#define SPI_CTL_SIZE_MASK 0x00060000 + +#define SPI_CTL_CLK_SEL_MASK 0x03000000 +#define SPI_OPCODE_MASK 0x000000ff + +#define SPI_STATUS_WIP STM_STATUS_WIP |