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-rw-r--r--target/linux/atheros/patches-2.6.28/120-spiflash.patch661
1 files changed, 661 insertions, 0 deletions
diff --git a/target/linux/atheros/patches-2.6.28/120-spiflash.patch b/target/linux/atheros/patches-2.6.28/120-spiflash.patch
new file mode 100644
index 0000000000..e661365066
--- /dev/null
+++ b/target/linux/atheros/patches-2.6.28/120-spiflash.patch
@@ -0,0 +1,661 @@
+--- 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 +1,519 @@
++
++/*
++ * 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/squashfs_fs.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)
++{
++ busy_wait(priv, spiflash_sendcmd(priv, SPI_RD_STATUS, 0) &
++ SPI_STATUS_WIP, 20);
++ 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);
++
++ 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);
++
++ 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
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