ar71xx: drop target

This target has been mostly replaced by ath79 and won't be included
in the upcoming release anymore. Finally put it to rest.

This also removes all references in packages, tools, etc. as well as
the uboot-ar71xx and vsc73x5-ucode packages.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

1 files changed, 0 insertions, 347 deletions

diff --git a/target/linux/ar71xx/files/drivers/spi/spi-rb4xx-cpld.c b/target/linux/ar71xx/files/drivers/spi/spi-rb4xx-cpld.c
deleted file mode 100644
index 18af83b67c..0000000000
--- a/target/linux/ar71xx/files/drivers/spi/spi-rb4xx-cpld.c
+++ /dev/null
@@ -1,347 +0,0 @@
-/*
- * SPI driver for the CPLD chip on the Mikrotik RB4xx boards
- *
- * Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
- *
- * This file was based on the patches for Linux 2.6.27.39 published by
- * MikroTik for their RouterBoard 4xx series devices.
- *
- * 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/types.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/device.h>
-#include <linux/bitops.h>
-#include <linux/spi/spi.h>
-#include <linux/gpio.h>
-#include <linux/slab.h>
-#include <linux/version.h>
-
-#include <asm/mach-ath79/rb4xx_cpld.h>
-
-#define DRV_NAME	"spi-rb4xx-cpld"
-#define DRV_DESC	"RB4xx CPLD driver"
-#define DRV_VERSION	"0.1.0"
-
-#define CPLD_CMD_WRITE_NAND	0x08 /* send cmd, n x send data, send indle */
-#define CPLD_CMD_WRITE_CFG	0x09 /* send cmd, n x send cfg */
-#define CPLD_CMD_READ_NAND	0x0a /* send cmd, send idle, n x read data */
-#define CPLD_CMD_READ_FAST	0x0b /* send cmd, 4 x idle, n x read data */
-#define CPLD_CMD_LED5_ON	0x0c /* send cmd */
-#define CPLD_CMD_LED5_OFF	0x0d /* send cmd */
-
-struct rb4xx_cpld {
-	struct spi_device	*spi;
-	struct mutex		lock;
-	struct gpio_chip	chip;
-	unsigned int		config;
-};
-
-static struct rb4xx_cpld *rb4xx_cpld;
-
-static inline struct rb4xx_cpld *gpio_to_cpld(struct gpio_chip *chip)
-{
-	return container_of(chip, struct rb4xx_cpld, chip);
-}
-
-static int rb4xx_cpld_write_cmd(struct rb4xx_cpld *cpld, unsigned char cmd)
-{
-	struct spi_transfer t[1];
-	struct spi_message m;
-	unsigned char tx_buf[1];
-	int err;
-
-	spi_message_init(&m);
-	memset(&t, 0, sizeof(t));
-
-	t[0].tx_buf = tx_buf;
-	t[0].len = sizeof(tx_buf);
-	spi_message_add_tail(&t[0], &m);
-
-	tx_buf[0] = cmd;
-
-	err = spi_sync(cpld->spi, &m);
-	return err;
-}
-
-static int rb4xx_cpld_write_cfg(struct rb4xx_cpld *cpld, unsigned char config)
-{
-	struct spi_transfer t[1];
-	struct spi_message m;
-	unsigned char cmd[2];
-	int err;
-
-	spi_message_init(&m);
-	memset(&t, 0, sizeof(t));
-
-	t[0].tx_buf = cmd;
-	t[0].len = sizeof(cmd);
-	spi_message_add_tail(&t[0], &m);
-
-	cmd[0] = CPLD_CMD_WRITE_CFG;
-	cmd[1] = config;
-
-	err = spi_sync(cpld->spi, &m);
-	return err;
-}
-
-static int __rb4xx_cpld_change_cfg(struct rb4xx_cpld *cpld, unsigned mask,
-				   unsigned value)
-{
-	unsigned int config;
-	int err;
-
-	config = cpld->config & ~mask;
-	config |= value;
-
-	if ((cpld->config ^ config) & 0xff) {
-		err = rb4xx_cpld_write_cfg(cpld, config);
-		if (err)
-			return err;
-	}
-
-	if ((cpld->config ^ config) & CPLD_CFG_nLED5) {
-		err = rb4xx_cpld_write_cmd(cpld, (value) ? CPLD_CMD_LED5_ON :
-							   CPLD_CMD_LED5_OFF);
-		if (err)
-			return err;
-	}
-
-	cpld->config = config;
-	return 0;
-}
-
-int rb4xx_cpld_change_cfg(unsigned mask, unsigned value)
-{
-	int ret;
-
-	if (rb4xx_cpld == NULL)
-		return -ENODEV;
-
-	mutex_lock(&rb4xx_cpld->lock);
-	ret = __rb4xx_cpld_change_cfg(rb4xx_cpld, mask, value);
-	mutex_unlock(&rb4xx_cpld->lock);
-
-	return ret;
-}
-EXPORT_SYMBOL_GPL(rb4xx_cpld_change_cfg);
-
-int rb4xx_cpld_read(unsigned char *rx_buf, unsigned count)
-{
-	static const unsigned char cmd[2] = { CPLD_CMD_READ_NAND, 0 };
-	struct spi_transfer t[2] = {
-		{
-			.tx_buf = &cmd,
-			.len = 2,
-		}, {
-			.rx_buf = rx_buf,
-			.len = count,
-		},
-	};
-	struct spi_message m;
-
-	if (rb4xx_cpld == NULL)
-		return -ENODEV;
-
-	spi_message_init(&m);
-	spi_message_add_tail(&t[0], &m);
-	spi_message_add_tail(&t[1], &m);
-	return spi_sync(rb4xx_cpld->spi, &m);
-}
-EXPORT_SYMBOL_GPL(rb4xx_cpld_read);
-
-int rb4xx_cpld_write(const unsigned char *buf, unsigned count)
-{
-	static const unsigned char cmd = CPLD_CMD_WRITE_NAND;
-	struct spi_transfer t[3] = {
-		{
-			.tx_buf = &cmd,
-			.len = 1,
-		}, {
-			.tx_buf = buf,
-			.len = count,
-			.tx_nbits = SPI_NBITS_DUAL,
-		}, {
-			.len = 1,
-			.tx_nbits = SPI_NBITS_DUAL,
-		},
-	};
-	struct spi_message m;
-
-	if (rb4xx_cpld == NULL)
-		return -ENODEV;
-
-	spi_message_init(&m);
-	spi_message_add_tail(&t[0], &m);
-	spi_message_add_tail(&t[1], &m);
-	spi_message_add_tail(&t[2], &m);
-	return spi_sync(rb4xx_cpld->spi, &m);
-}
-EXPORT_SYMBOL_GPL(rb4xx_cpld_write);
-
-static int rb4xx_cpld_gpio_get(struct gpio_chip *chip, unsigned offset)
-{
-	struct rb4xx_cpld *cpld = gpio_to_cpld(chip);
-	int ret;
-
-	mutex_lock(&cpld->lock);
-	ret = (cpld->config >> offset) & 1;
-	mutex_unlock(&cpld->lock);
-
-	return ret;
-}
-
-static void rb4xx_cpld_gpio_set(struct gpio_chip *chip, unsigned offset,
-				int value)
-{
-	struct rb4xx_cpld *cpld = gpio_to_cpld(chip);
-
-	mutex_lock(&cpld->lock);
-	__rb4xx_cpld_change_cfg(cpld, (1 << offset), !!value << offset);
-	mutex_unlock(&cpld->lock);
-}
-
-static int rb4xx_cpld_gpio_direction_input(struct gpio_chip *chip,
-					   unsigned offset)
-{
-	return -EOPNOTSUPP;
-}
-
-static int rb4xx_cpld_gpio_direction_output(struct gpio_chip *chip,
-					    unsigned offset,
-					    int value)
-{
-	struct rb4xx_cpld *cpld = gpio_to_cpld(chip);
-	int ret;
-
-	mutex_lock(&cpld->lock);
-	ret = __rb4xx_cpld_change_cfg(cpld, (1 << offset), !!value << offset);
-	mutex_unlock(&cpld->lock);
-
-	return ret;
-}
-
-static int rb4xx_cpld_gpio_init(struct rb4xx_cpld *cpld, unsigned int base)
-{
-	int err;
-
-	/* init config */
-	cpld->config = CPLD_CFG_nLED1 | CPLD_CFG_nLED2 | CPLD_CFG_nLED3 |
-		       CPLD_CFG_nLED4 | CPLD_CFG_nCE;
-	rb4xx_cpld_write_cfg(cpld, cpld->config);
-
-	/* setup GPIO chip */
-	cpld->chip.label = DRV_NAME;
-
-	cpld->chip.get = rb4xx_cpld_gpio_get;
-	cpld->chip.set = rb4xx_cpld_gpio_set;
-	cpld->chip.direction_input = rb4xx_cpld_gpio_direction_input;
-	cpld->chip.direction_output = rb4xx_cpld_gpio_direction_output;
-
-	cpld->chip.base = base;
-	cpld->chip.ngpio = CPLD_NUM_GPIOS;
-	cpld->chip.can_sleep = 1;
-#if LINUX_VERSION_CODE < KERNEL_VERSION(4,5,0)
-	cpld->chip.dev = &cpld->spi->dev;
-#else
-	cpld->chip.parent = &cpld->spi->dev;
-#endif
-	cpld->chip.owner = THIS_MODULE;
-
-	err = gpiochip_add(&cpld->chip);
-	if (err)
-		dev_err(&cpld->spi->dev, "adding GPIO chip failed, err=%d\n",
-			err);
-
-	return err;
-}
-
-static int rb4xx_cpld_probe(struct spi_device *spi)
-{
-	struct rb4xx_cpld *cpld;
-	struct rb4xx_cpld_platform_data *pdata;
-	int err;
-
-	pdata = spi->dev.platform_data;
-	if (!pdata) {
-		dev_dbg(&spi->dev, "no platform data\n");
-		return -EINVAL;
-	}
-
-	cpld = kzalloc(sizeof(*cpld), GFP_KERNEL);
-	if (!cpld) {
-		dev_err(&spi->dev, "no memory for private data\n");
-		return -ENOMEM;
-	}
-
-	mutex_init(&cpld->lock);
-	cpld->spi = spi_dev_get(spi);
-	dev_set_drvdata(&spi->dev, cpld);
-
-	spi->mode = SPI_MODE_0 | SPI_TX_DUAL;
-	spi->bits_per_word = 8;
-	err = spi_setup(spi);
-	if (err) {
-		dev_err(&spi->dev, "spi_setup failed, err=%d\n", err);
-		goto err_drvdata;
-	}
-
-	err = rb4xx_cpld_gpio_init(cpld, pdata->gpio_base);
-	if (err)
-		goto err_drvdata;
-
-	rb4xx_cpld = cpld;
-
-	return 0;
-
-err_drvdata:
-	dev_set_drvdata(&spi->dev, NULL);
-	kfree(cpld);
-
-	return err;
-}
-
-static int rb4xx_cpld_remove(struct spi_device *spi)
-{
-	struct rb4xx_cpld *cpld;
-
-	rb4xx_cpld = NULL;
-	cpld = dev_get_drvdata(&spi->dev);
-	dev_set_drvdata(&spi->dev, NULL);
-	kfree(cpld);
-
-	return 0;
-}
-
-static struct spi_driver rb4xx_cpld_driver = {
-	.driver = {
-		.name		= DRV_NAME,
-		.bus		= &spi_bus_type,
-		.owner		= THIS_MODULE,
-	},
-	.probe		= rb4xx_cpld_probe,
-	.remove		= rb4xx_cpld_remove,
-};
-
-static int __init rb4xx_cpld_init(void)
-{
-	return spi_register_driver(&rb4xx_cpld_driver);
-}
-module_init(rb4xx_cpld_init);
-
-static void __exit rb4xx_cpld_exit(void)
-{
-	spi_unregister_driver(&rb4xx_cpld_driver);
-}
-module_exit(rb4xx_cpld_exit);
-
-MODULE_DESCRIPTION(DRV_DESC);
-MODULE_VERSION(DRV_VERSION);
-MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
-MODULE_LICENSE("GPL v2");