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/*
* 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 SPI_WRITE_ENABLE 0
#define SPI_WRITE_DISABLE 1
#define SPI_RD_STATUS 2
#define SPI_WR_STATUS 3
#define SPI_RD_DATA 4
#define SPI_FAST_RD_DATA 5
#define SPI_PAGE_PROGRAM 6
#define SPI_SECTOR_ERASE 7
#define SPI_BULK_ERASE 8
#define SPI_DEEP_PWRDOWN 9
#define SPI_RD_SIG 10
#define SPI_MAX_OPCODES 11
#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
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