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author | Felix Fietkau <nbd@openwrt.org> | 2009-06-01 22:14:16 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2009-06-01 22:14:16 +0000 |
commit | 248747bc36fd21308b4c3430f80688cc713bc9b2 (patch) | |
tree | 2672dd55d0215ac2bc4abd34639c4b01eaee618a /target/linux/atheros/patches-2.6.30/120-spiflash.patch | |
parent | 9cba5fd9c685f60bc2bb1e9094c48c36e5eb2428 (diff) | |
download | master-187ad058-248747bc36fd21308b4c3430f80688cc713bc9b2.tar.gz master-187ad058-248747bc36fd21308b4c3430f80688cc713bc9b2.tar.bz2 master-187ad058-248747bc36fd21308b4c3430f80688cc713bc9b2.zip |
atheros: add working patches/config for 2.6.30
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@16288 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/atheros/patches-2.6.30/120-spiflash.patch')
-rw-r--r-- | target/linux/atheros/patches-2.6.30/120-spiflash.patch | 660 |
1 files changed, 660 insertions, 0 deletions
diff --git a/target/linux/atheros/patches-2.6.30/120-spiflash.patch b/target/linux/atheros/patches-2.6.30/120-spiflash.patch new file mode 100644 index 0000000000..74f01f6525 --- /dev/null +++ b/target/linux/atheros/patches-2.6.30/120-spiflash.patch @@ -0,0 +1,660 @@ +--- a/drivers/mtd/devices/Kconfig ++++ b/drivers/mtd/devices/Kconfig +@@ -104,6 +104,10 @@ config M25PXX_USE_FAST_READ + help + This option enables FAST_READ access supported by ST M25Pxx. + ++config MTD_AR2315 ++ tristate "Atheros AR2315+ SPI Flash support" ++ depends on ATHEROS_AR2315 ++ + config MTD_SLRAM + tristate "Uncached system RAM" + help +--- a/drivers/mtd/devices/Makefile ++++ b/drivers/mtd/devices/Makefile +@@ -16,3 +16,4 @@ obj-$(CONFIG_MTD_LART) += lart.o + obj-$(CONFIG_MTD_BLOCK2MTD) += block2mtd.o + obj-$(CONFIG_MTD_DATAFLASH) += mtd_dataflash.o + obj-$(CONFIG_MTD_M25P80) += m25p80.o ++obj-$(CONFIG_MTD_AR2315) += ar2315.o +--- /dev/null ++++ b/drivers/mtd/devices/ar2315.c +@@ -0,0 +1,518 @@ ++ ++/* ++ * MTD driver for the SPI Flash Memory support on Atheros AR2315 ++ * ++ * Copyright (c) 2005-2006 Atheros Communications Inc. ++ * Copyright (C) 2006-2007 FON Technology, SL. ++ * Copyright (C) 2006-2007 Imre Kaloz <kaloz@openwrt.org> ++ * Copyright (C) 2006-2009 Felix Fietkau <nbd@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. ++ * ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/types.h> ++#include <linux/version.h> ++#include <linux/errno.h> ++#include <linux/slab.h> ++#include <linux/mtd/mtd.h> ++#include <linux/mtd/partitions.h> ++#include <linux/platform_device.h> ++#include <linux/sched.h> ++#include <linux/root_dev.h> ++#include <linux/delay.h> ++#include <asm/delay.h> ++#include <asm/io.h> ++ ++#include <ar2315_spiflash.h> ++#include <ar231x_platform.h> ++#include <ar231x.h> ++ ++ ++#define SPIFLASH "spiflash: " ++#define busy_wait(_priv, _condition, _wait) do { \ ++ while (_condition) { \ ++ spin_unlock_bh(&_priv->lock); \ ++ if (_wait > 1) \ ++ msleep(_wait); \ ++ else if ((_wait == 1) && need_resched()) \ ++ schedule(); \ ++ else \ ++ udelay(1); \ ++ spin_lock_bh(&_priv->lock); \ ++ } \ ++} while (0) ++ ++enum { ++ FLASH_NONE, ++ FLASH_1MB, ++ FLASH_2MB, ++ FLASH_4MB, ++ FLASH_8MB, ++ FLASH_16MB, ++}; ++ ++/* Flash configuration table */ ++struct flashconfig { ++ u32 byte_cnt; ++ u32 sector_cnt; ++ u32 sector_size; ++}; ++ ++const struct flashconfig flashconfig_tbl[] = { ++ [FLASH_NONE] = { 0, 0, 0}, ++ [FLASH_1MB] = { STM_1MB_BYTE_COUNT, STM_1MB_SECTOR_COUNT, STM_1MB_SECTOR_SIZE}, ++ [FLASH_2MB] = { STM_2MB_BYTE_COUNT, STM_2MB_SECTOR_COUNT, STM_2MB_SECTOR_SIZE}, ++ [FLASH_4MB] = { STM_4MB_BYTE_COUNT, STM_4MB_SECTOR_COUNT, STM_4MB_SECTOR_SIZE}, ++ [FLASH_8MB] = { STM_8MB_BYTE_COUNT, STM_8MB_SECTOR_COUNT, STM_8MB_SECTOR_SIZE}, ++ [FLASH_16MB] = { STM_16MB_BYTE_COUNT, STM_16MB_SECTOR_COUNT, STM_16MB_SECTOR_SIZE} ++}; ++ ++/* Mapping of generic opcodes to STM serial flash opcodes */ ++enum { ++ SPI_WRITE_ENABLE, ++ SPI_WRITE_DISABLE, ++ SPI_RD_STATUS, ++ SPI_WR_STATUS, ++ SPI_RD_DATA, ++ SPI_FAST_RD_DATA, ++ SPI_PAGE_PROGRAM, ++ SPI_SECTOR_ERASE, ++ SPI_BULK_ERASE, ++ SPI_DEEP_PWRDOWN, ++ SPI_RD_SIG, ++}; ++ ++struct opcodes { ++ __u16 code; ++ __s8 tx_cnt; ++ __s8 rx_cnt; ++}; ++const struct opcodes stm_opcodes[] = { ++ [SPI_WRITE_ENABLE] = {STM_OP_WR_ENABLE, 1, 0}, ++ [SPI_WRITE_DISABLE] = {STM_OP_WR_DISABLE, 1, 0}, ++ [SPI_RD_STATUS] = {STM_OP_RD_STATUS, 1, 1}, ++ [SPI_WR_STATUS] = {STM_OP_WR_STATUS, 1, 0}, ++ [SPI_RD_DATA] = {STM_OP_RD_DATA, 4, 4}, ++ [SPI_FAST_RD_DATA] = {STM_OP_FAST_RD_DATA, 5, 0}, ++ [SPI_PAGE_PROGRAM] = {STM_OP_PAGE_PGRM, 8, 0}, ++ [SPI_SECTOR_ERASE] = {STM_OP_SECTOR_ERASE, 4, 0}, ++ [SPI_BULK_ERASE] = {STM_OP_BULK_ERASE, 1, 0}, ++ [SPI_DEEP_PWRDOWN] = {STM_OP_DEEP_PWRDOWN, 1, 0}, ++ [SPI_RD_SIG] = {STM_OP_RD_SIG, 4, 1}, ++}; ++ ++/* Driver private data structure */ ++struct spiflash_priv { ++ struct mtd_info mtd; ++ void *readaddr; /* memory mapped data for read */ ++ void *mmraddr; /* memory mapped register space */ ++ wait_queue_head_t wq; ++ spinlock_t lock; ++ int state; ++}; ++ ++#define to_spiflash(_mtd) container_of(_mtd, struct spiflash_priv, mtd) ++ ++enum { ++ FL_READY, ++ FL_READING, ++ FL_ERASING, ++ FL_WRITING ++}; ++ ++/***************************************************************************************************/ ++ ++static u32 ++spiflash_read_reg(struct spiflash_priv *priv, int reg) ++{ ++ return ar231x_read_reg((u32) priv->mmraddr + reg); ++} ++ ++static void ++spiflash_write_reg(struct spiflash_priv *priv, int reg, u32 data) ++{ ++ ar231x_write_reg((u32) priv->mmraddr + reg, data); ++} ++ ++static u32 ++spiflash_wait_busy(struct spiflash_priv *priv) ++{ ++ u32 reg; ++ ++ busy_wait(priv, (reg = spiflash_read_reg(priv, SPI_FLASH_CTL)) & ++ SPI_CTL_BUSY, 0); ++ return reg; ++} ++ ++static u32 ++spiflash_sendcmd (struct spiflash_priv *priv, int opcode, u32 addr) ++{ ++ const struct opcodes *op; ++ u32 reg, mask; ++ ++ op = &stm_opcodes[opcode]; ++ reg = spiflash_wait_busy(priv); ++ spiflash_write_reg(priv, SPI_FLASH_OPCODE, ++ ((u32) op->code) | (addr << 8)); ++ ++ reg &= ~SPI_CTL_TX_RX_CNT_MASK; ++ reg |= SPI_CTL_START | op->tx_cnt | (op->rx_cnt << 4); ++ ++ spiflash_write_reg(priv, SPI_FLASH_CTL, reg); ++ spiflash_wait_busy(priv); ++ ++ if (!op->rx_cnt) ++ return 0; ++ ++ reg = spiflash_read_reg(priv, SPI_FLASH_DATA); ++ ++ switch (op->rx_cnt) { ++ case 1: ++ mask = 0x000000ff; ++ break; ++ case 2: ++ mask = 0x0000ffff; ++ break; ++ case 3: ++ mask = 0x00ffffff; ++ break; ++ default: ++ mask = 0xffffffff; ++ break; ++ } ++ reg &= mask; ++ ++ return reg; ++} ++ ++ ++/* ++ * Probe SPI flash device ++ * Function returns 0 for failure. ++ * and flashconfig_tbl array index for success. ++ */ ++static int ++spiflash_probe_chip (struct spiflash_priv *priv) ++{ ++ u32 sig; ++ int flash_size; ++ ++ /* Read the signature on the flash device */ ++ spin_lock_bh(&priv->lock); ++ sig = spiflash_sendcmd(priv, SPI_RD_SIG, 0); ++ spin_unlock_bh(&priv->lock); ++ ++ switch (sig) { ++ case STM_8MBIT_SIGNATURE: ++ flash_size = FLASH_1MB; ++ break; ++ case STM_16MBIT_SIGNATURE: ++ flash_size = FLASH_2MB; ++ break; ++ case STM_32MBIT_SIGNATURE: ++ flash_size = FLASH_4MB; ++ break; ++ case STM_64MBIT_SIGNATURE: ++ flash_size = FLASH_8MB; ++ break; ++ case STM_128MBIT_SIGNATURE: ++ flash_size = FLASH_16MB; ++ break; ++ default: ++ printk (KERN_WARNING SPIFLASH "Read of flash device signature failed!\n"); ++ return 0; ++ } ++ ++ return flash_size; ++} ++ ++ ++/* wait until the flash chip is ready and grab a lock */ ++static int spiflash_wait_ready(struct spiflash_priv *priv, int state) ++{ ++ DECLARE_WAITQUEUE(wait, current); ++ ++retry: ++ spin_lock_bh(&priv->lock); ++ if (priv->state != FL_READY) { ++ set_current_state(TASK_UNINTERRUPTIBLE); ++ add_wait_queue(&priv->wq, &wait); ++ spin_unlock_bh(&priv->lock); ++ schedule(); ++ remove_wait_queue(&priv->wq, &wait); ++ ++ if(signal_pending(current)) ++ return 0; ++ ++ goto retry; ++ } ++ priv->state = state; ++ ++ return 1; ++} ++ ++static inline void spiflash_done(struct spiflash_priv *priv) ++{ ++ priv->state = FL_READY; ++ spin_unlock_bh(&priv->lock); ++ wake_up(&priv->wq); ++} ++ ++static void ++spiflash_wait_complete(struct spiflash_priv *priv, unsigned int timeout) ++{ ++ busy_wait(priv, spiflash_sendcmd(priv, SPI_RD_STATUS, 0) & ++ SPI_STATUS_WIP, timeout); ++ spiflash_done(priv); ++} ++ ++ ++ ++static int ++spiflash_erase (struct mtd_info *mtd, struct erase_info *instr) ++{ ++ struct spiflash_priv *priv = to_spiflash(mtd); ++ const struct opcodes *op; ++ u32 temp, reg; ++ ++ if (instr->addr + instr->len > mtd->size) ++ return -EINVAL; ++ ++ if (!spiflash_wait_ready(priv, FL_ERASING)) ++ return -EINTR; ++ ++ spiflash_sendcmd(priv, SPI_WRITE_ENABLE, 0); ++ reg = spiflash_wait_busy(priv); ++ ++ op = &stm_opcodes[SPI_SECTOR_ERASE]; ++ temp = ((u32)instr->addr << 8) | (u32)(op->code); ++ spiflash_write_reg(priv, SPI_FLASH_OPCODE, temp); ++ ++ reg &= ~SPI_CTL_TX_RX_CNT_MASK; ++ reg |= op->tx_cnt | SPI_CTL_START; ++ spiflash_write_reg(priv, SPI_FLASH_CTL, reg); ++ ++ spiflash_wait_complete(priv, 20); ++ ++ instr->state = MTD_ERASE_DONE; ++ if (instr->callback) ++ instr->callback(instr); ++ ++ return 0; ++} ++ ++static int ++spiflash_read (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf) ++{ ++ struct spiflash_priv *priv = to_spiflash(mtd); ++ u8 *read_addr; ++ ++ if (!len) ++ return 0; ++ ++ if (from + len > mtd->size) ++ return -EINVAL; ++ ++ *retlen = len; ++ ++ if (!spiflash_wait_ready(priv, FL_READING)) ++ return -EINTR; ++ ++ read_addr = (u8 *)(priv->readaddr + from); ++ memcpy_fromio(buf, read_addr, len); ++ spiflash_done(priv); ++ ++ return 0; ++} ++ ++static int ++spiflash_write (struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u8 *buf) ++{ ++ struct spiflash_priv *priv = to_spiflash(mtd); ++ u32 opcode, bytes_left; ++ ++ *retlen = 0; ++ ++ if (!len) ++ return 0; ++ ++ if (to + len > mtd->size) ++ return -EINVAL; ++ ++ bytes_left = len; ++ ++ do { ++ u32 read_len, reg, page_offset, spi_data = 0; ++ ++ read_len = min(bytes_left, sizeof(u32)); ++ ++ /* 32-bit writes cannot span across a page boundary ++ * (256 bytes). This types of writes require two page ++ * program operations to handle it correctly. The STM part ++ * will write the overflow data to the beginning of the ++ * current page as opposed to the subsequent page. ++ */ ++ page_offset = (to & (STM_PAGE_SIZE - 1)) + read_len; ++ ++ if (page_offset > STM_PAGE_SIZE) ++ read_len -= (page_offset - STM_PAGE_SIZE); ++ ++ if (!spiflash_wait_ready(priv, FL_WRITING)) ++ return -EINTR; ++ ++ spiflash_sendcmd(priv, SPI_WRITE_ENABLE, 0); ++ spi_data = 0; ++ switch (read_len) { ++ case 4: ++ spi_data |= buf[3] << 24; ++ /* fall through */ ++ case 3: ++ spi_data |= buf[2] << 16; ++ /* fall through */ ++ case 2: ++ spi_data |= buf[1] << 8; ++ /* fall through */ ++ case 1: ++ spi_data |= buf[0] & 0xff; ++ break; ++ default: ++ break; ++ } ++ ++ spiflash_write_reg(priv, SPI_FLASH_DATA, spi_data); ++ opcode = stm_opcodes[SPI_PAGE_PROGRAM].code | ++ (to & 0x00ffffff) << 8; ++ spiflash_write_reg(priv, SPI_FLASH_OPCODE, opcode); ++ ++ reg = spiflash_read_reg(priv, SPI_FLASH_CTL); ++ reg &= ~SPI_CTL_TX_RX_CNT_MASK; ++ reg |= (read_len + 4) | SPI_CTL_START; ++ spiflash_write_reg(priv, SPI_FLASH_CTL, reg); ++ ++ spiflash_wait_complete(priv, 1); ++ ++ bytes_left -= read_len; ++ to += read_len; ++ buf += read_len; ++ ++ *retlen += read_len; ++ } while (bytes_left != 0); ++ ++ return 0; ++} ++ ++ ++#ifdef CONFIG_MTD_PARTITIONS ++static const char *part_probe_types[] = { "cmdlinepart", "RedBoot", "MyLoader", NULL }; ++#endif ++ ++ ++static int ++spiflash_probe(struct platform_device *pdev) ++{ ++ struct spiflash_priv *priv; ++ struct mtd_partition *parts; ++ struct mtd_info *mtd; ++ int index, num_parts; ++ int result = 0; ++ ++ priv = kzalloc(sizeof(struct spiflash_priv), GFP_KERNEL); ++ spin_lock_init(&priv->lock); ++ init_waitqueue_head(&priv->wq); ++ priv->state = FL_READY; ++ mtd = &priv->mtd; ++ ++ priv->mmraddr = ioremap_nocache(SPI_FLASH_MMR, SPI_FLASH_MMR_SIZE); ++ if (!priv->mmraddr) { ++ printk(KERN_WARNING SPIFLASH "Failed to map flash device\n"); ++ goto error; ++ } ++ ++ index = spiflash_probe_chip(priv); ++ if (!index) { ++ printk (KERN_WARNING SPIFLASH "Found no serial flash device\n"); ++ goto error; ++ } ++ ++ priv->readaddr = ioremap_nocache(SPI_FLASH_READ, flashconfig_tbl[index].byte_cnt); ++ if (!priv->readaddr) { ++ printk (KERN_WARNING SPIFLASH "Failed to map flash device\n"); ++ goto error; ++ } ++ ++ platform_set_drvdata(pdev, priv); ++ mtd->name = "spiflash"; ++ mtd->type = MTD_NORFLASH; ++ mtd->flags = (MTD_CAP_NORFLASH|MTD_WRITEABLE); ++ mtd->size = flashconfig_tbl[index].byte_cnt; ++ mtd->erasesize = flashconfig_tbl[index].sector_size; ++ mtd->writesize = 1; ++ mtd->numeraseregions = 0; ++ mtd->eraseregions = NULL; ++ mtd->erase = spiflash_erase; ++ mtd->read = spiflash_read; ++ mtd->write = spiflash_write; ++ mtd->owner = THIS_MODULE; ++ ++#ifdef CONFIG_MTD_PARTITIONS ++ /* parse redboot partitions */ ++ num_parts = parse_mtd_partitions(mtd, part_probe_types, &parts, 0); ++ if (!num_parts) ++ goto error; ++ ++ result = add_mtd_partitions(mtd, parts, num_parts); ++#endif ++ ++ return result; ++ ++error: ++ if (priv->mmraddr) ++ iounmap(priv->mmraddr); ++ kfree(priv); ++ return -ENXIO; ++} ++ ++static int ++spiflash_remove (struct platform_device *pdev) ++{ ++ struct spiflash_priv *priv = platform_get_drvdata(pdev); ++ struct mtd_info *mtd = &priv->mtd; ++ ++ del_mtd_partitions(mtd); ++ iounmap(priv->mmraddr); ++ iounmap(priv->readaddr); ++ kfree(priv); ++ ++ return 0; ++} ++ ++struct platform_driver spiflash_driver = { ++ .driver.name = "spiflash", ++ .probe = spiflash_probe, ++ .remove = spiflash_remove, ++}; ++ ++int __init ++spiflash_init (void) ++{ ++ return platform_driver_register(&spiflash_driver); ++} ++ ++void __exit ++spiflash_exit (void) ++{ ++ return platform_driver_unregister(&spiflash_driver); ++} ++ ++module_init (spiflash_init); ++module_exit (spiflash_exit); ++ ++MODULE_LICENSE("GPL"); ++MODULE_AUTHOR("OpenWrt.org, Atheros Communications Inc"); ++MODULE_DESCRIPTION("MTD driver for SPI Flash on Atheros SOC"); ++ +--- /dev/null ++++ b/arch/mips/include/asm/mach-ar231x/ar2315_spiflash.h +@@ -0,0 +1,116 @@ ++/* ++ * SPI Flash Memory support header file. ++ * ++ * Copyright (c) 2005, Atheros Communications Inc. ++ * Copyright (C) 2006 FON Technology, SL. ++ * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org> ++ * Copyright (C) 2006-2009 Felix Fietkau <nbd@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. ++ * ++ */ ++#ifndef __AR2315_SPIFLASH_H ++#define __AR2315_SPIFLASH_H ++ ++#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 ++ ++#endif |