ar71xx: move arch specific files to files-2.6.39

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29867 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 0 insertions, 283 deletions

diff --git a/target/linux/ar71xx/files/drivers/spi/ar71xx_spi.c b/target/linux/ar71xx/files/drivers/spi/ar71xx_spi.c
deleted file mode 100644
index d1ed731c1..000000000
--- a/target/linux/ar71xx/files/drivers/spi/ar71xx_spi.c
+++ /dev/null
@@ -1,283 +0,0 @@
-/*
- * Atheros AR71xx SPI Controller driver
- *
- * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
- * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
- *
- * This program 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/init.h>
-#include <linux/delay.h>
-#include <linux/spinlock.h>
-#include <linux/workqueue.h>
-#include <linux/platform_device.h>
-#include <linux/io.h>
-#include <linux/spi/spi.h>
-#include <linux/spi/spi_bitbang.h>
-#include <linux/bitops.h>
-
-#include <asm/mach-ar71xx/ar71xx.h>
-#include <asm/mach-ar71xx/platform.h>
-
-#define DRV_DESC	"Atheros AR71xx SPI Controller driver"
-#define DRV_VERSION	"0.2.4"
-#define DRV_NAME	"ar71xx-spi"
-
-#undef PER_BIT_READ
-
-struct ar71xx_spi {
-	struct	spi_bitbang	bitbang;
-	u32			ioc_base;
-	u32			reg_ctrl;
-
-	void __iomem		*base;
-
-	struct platform_device	*pdev;
-	u32			(*get_ioc_base)(u8 chip_select, int cs_high,
-						int is_on);
-};
-
-static inline u32 ar71xx_spi_rr(struct ar71xx_spi *sp, unsigned reg)
-{
-	return __raw_readl(sp->base + reg);
-}
-
-static inline void ar71xx_spi_wr(struct ar71xx_spi *sp, unsigned reg, u32 val)
-{
-	__raw_writel(val, sp->base + reg);
-}
-
-static inline struct ar71xx_spi *spidev_to_sp(struct spi_device *spi)
-{
-	return spi_master_get_devdata(spi->master);
-}
-
-static u32 ar71xx_spi_get_ioc_base(u8 chip_select, int cs_high, int is_on)
-{
-	u32 ret;
-
-	if (is_on == AR71XX_SPI_CS_INACTIVE)
-		ret = SPI_IOC_CS_ALL;
-	else
-		ret = SPI_IOC_CS_ALL & ~SPI_IOC_CS(chip_select);
-
-	return ret;
-}
-
-static void ar71xx_spi_chipselect(struct spi_device *spi, int value)
-{
-	struct ar71xx_spi *sp = spidev_to_sp(spi);
-	void __iomem *base = sp->base;
-	u32 ioc_base;
-
-	switch (value) {
-	case BITBANG_CS_INACTIVE:
-		ioc_base = sp->get_ioc_base(spi->chip_select,
-					(spi->mode & SPI_CS_HIGH) != 0,
-					AR71XX_SPI_CS_INACTIVE);
-		__raw_writel(ioc_base, base + SPI_REG_IOC);
-		break;
-
-	case BITBANG_CS_ACTIVE:
-		ioc_base = sp->get_ioc_base(spi->chip_select,
-					(spi->mode & SPI_CS_HIGH) != 0,
-					AR71XX_SPI_CS_ACTIVE);
-
-		__raw_writel(ioc_base, base + SPI_REG_IOC);
-		sp->ioc_base = ioc_base;
-		break;
-	}
-}
-
-static void ar71xx_spi_setup_regs(struct ar71xx_spi *sp)
-{
-	/* enable GPIO mode */
-	ar71xx_spi_wr(sp, SPI_REG_FS, SPI_FS_GPIO);
-
-	/* save CTRL register */
-	sp->reg_ctrl = ar71xx_spi_rr(sp, SPI_REG_CTRL);
-
-	/* TODO: setup speed? */
-	ar71xx_spi_wr(sp, SPI_REG_CTRL, 0x43);
-}
-
-static void ar71xx_spi_restore_regs(struct ar71xx_spi *sp)
-{
-	/* restore CTRL register */
-	ar71xx_spi_wr(sp, SPI_REG_CTRL, sp->reg_ctrl);
-	/* disable GPIO mode */
-	ar71xx_spi_wr(sp, SPI_REG_FS, 0);
-}
-
-static int ar71xx_spi_setup(struct spi_device *spi)
-{
-	if (spi->bits_per_word > 32)
-		return -EINVAL;
-
-	return spi_bitbang_setup(spi);
-}
-
-static void ar71xx_spi_cleanup(struct spi_device *spi)
-{
-	spi_bitbang_cleanup(spi);
-}
-
-static u32 ar71xx_spi_txrx_mode0(struct spi_device *spi, unsigned nsecs,
-					u32 word, u8 bits)
-{
-	struct ar71xx_spi *sp = spidev_to_sp(spi);
-	void __iomem *base = sp->base;
-	u32 ioc = sp->ioc_base;
-	u32 ret;
-
-	/* clock starts at inactive polarity */
-	for (word <<= (32 - bits); likely(bits); bits--) {
-		u32 out;
-
-		if (word & (1 << 31))
-			out = ioc | SPI_IOC_DO;
-		else
-			out = ioc & ~SPI_IOC_DO;
-
-		/* setup MSB (to slave) on trailing edge */
-		__raw_writel(out, base + SPI_REG_IOC);
-
-		__raw_writel(out | SPI_IOC_CLK, base + SPI_REG_IOC);
-
-		word <<= 1;
-
-#ifdef PER_BIT_READ
-		/* sample MSB (from slave) on leading edge */
-		ret = __raw_readl(base + SPI_REG_RDS);
-		__raw_writel(out, base + SPI_REG_IOC);
-#endif
-
-	}
-
-#ifndef PER_BIT_READ
-	ret = __raw_readl(base + SPI_REG_RDS);
-#endif
-	return ret;
-}
-
-static int ar71xx_spi_probe(struct platform_device *pdev)
-{
-	struct spi_master *master;
-	struct ar71xx_spi *sp;
-	struct ar71xx_spi_platform_data *pdata;
-	struct resource	*r;
-	int ret;
-
-	master = spi_alloc_master(&pdev->dev, sizeof(*sp));
-	if (master == NULL) {
-		dev_err(&pdev->dev, "failed to allocate spi master\n");
-		return -ENOMEM;
-	}
-
-	sp = spi_master_get_devdata(master);
-	platform_set_drvdata(pdev, sp);
-
-	pdata = pdev->dev.platform_data;
-
-	master->setup = ar71xx_spi_setup;
-	master->cleanup = ar71xx_spi_cleanup;
-
-	sp->bitbang.master = spi_master_get(master);
-	sp->bitbang.chipselect = ar71xx_spi_chipselect;
-	sp->bitbang.txrx_word[SPI_MODE_0] = ar71xx_spi_txrx_mode0;
-	sp->bitbang.setup_transfer = spi_bitbang_setup_transfer;
-
-	sp->get_ioc_base = ar71xx_spi_get_ioc_base;
-	if (pdata) {
-		sp->bitbang.master->bus_num = pdata->bus_num;
-		sp->bitbang.master->num_chipselect = pdata->num_chipselect;
-		if (pdata->get_ioc_base)
-			sp->get_ioc_base = pdata->get_ioc_base;
-	} else {
-		sp->bitbang.master->bus_num = 0;
-		sp->bitbang.master->num_chipselect = 3;
-	}
-
-	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (r == NULL) {
-		ret = -ENOENT;
-		goto err1;
-	}
-
-	sp->base = ioremap_nocache(r->start, r->end - r->start + 1);
-	if (!sp->base) {
-		ret = -ENXIO;
-		goto err1;
-	}
-
-	ar71xx_spi_setup_regs(sp);
-
-	ret = spi_bitbang_start(&sp->bitbang);
-	if (!ret)
-		return 0;
-
-	ar71xx_spi_restore_regs(sp);
-	iounmap(sp->base);
-err1:
-	platform_set_drvdata(pdev, NULL);
-	spi_master_put(sp->bitbang.master);
-
-	return ret;
-}
-
-static int ar71xx_spi_remove(struct platform_device *pdev)
-{
-	struct ar71xx_spi *sp = platform_get_drvdata(pdev);
-
-	spi_bitbang_stop(&sp->bitbang);
-	ar71xx_spi_restore_regs(sp);
-	iounmap(sp->base);
-	platform_set_drvdata(pdev, NULL);
-	spi_master_put(sp->bitbang.master);
-
-	return 0;
-}
-
-static void ar71xx_spi_shutdown(struct platform_device *pdev)
-{
-	int ret;
-
-	ret = ar71xx_spi_remove(pdev);
-	if (ret)
-		dev_err(&pdev->dev, "shutdown failed with %d\n", ret);
-}
-
-static struct platform_driver ar71xx_spi_drv = {
-	.probe		= ar71xx_spi_probe,
-	.remove		= ar71xx_spi_remove,
-	.shutdown	= ar71xx_spi_shutdown,
-	.driver		= {
-		.name	= DRV_NAME,
-		.owner	= THIS_MODULE,
-	},
-};
-
-static int __init ar71xx_spi_init(void)
-{
-	printk(KERN_INFO DRV_DESC " version " DRV_VERSION "\n");
-	return platform_driver_register(&ar71xx_spi_drv);
-}
-module_init(ar71xx_spi_init);
-
-static void __exit ar71xx_spi_exit(void)
-{
-	platform_driver_unregister(&ar71xx_spi_drv);
-}
-module_exit(ar71xx_spi_exit);
-
-MODULE_ALIAS("platform:" DRV_NAME);
-MODULE_DESCRIPTION(DRV_DESC);
-MODULE_VERSION(DRV_VERSION);
-MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
-MODULE_AUTHOR("Imre Kaloz <kaloz@openwrt.org>");
-MODULE_LICENSE("GPL v2");