ARM: mach-pnx4008: Remove architecture

This patch removes the ARM architecture mach-pnx4008. No direct support or user
feedback since 2006. Acknowledgements from NXP/Philips and Linux arm-soc
maintainers.

Signed-off-by: Roland Stigge <stigge@antcom.de>

1 files changed, 0 insertions, 328 deletions

diff --git a/arch/arm/mach-pnx4008/gpio.c b/arch/arm/mach-pnx4008/gpio.c
deleted file mode 100644
index d3e71d3847b4..000000000000
--- a/arch/arm/mach-pnx4008/gpio.c
+++ /dev/null
@@ -1,328 +0,0 @@
-/*
- * arch/arm/mach-pnx4008/gpio.c
- *
- * PNX4008 GPIO driver
- *
- * Author: Dmitry Chigirev <source@mvista.com>
- *
- * Based on reference code by Iwo Mergler and Z.Tabaaloute from Philips:
- * Copyright (c) 2005 Koninklijke Philips Electronics N.V.
- *
- * 2005 (c) MontaVista Software, Inc. This file is licensed under
- * the terms of the GNU General Public License version 2. This program
- * is licensed "as is" without any warranty of any kind, whether express
- * or implied.
- */
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/io.h>
-#include <mach/hardware.h>
-#include <mach/platform.h>
-#include <mach/gpio-pnx4008.h>
-
-/* register definitions */
-#define PIO_VA_BASE	IO_ADDRESS(PNX4008_PIO_BASE)
-
-#define PIO_INP_STATE	(0x00U)
-#define PIO_OUTP_SET	(0x04U)
-#define PIO_OUTP_CLR	(0x08U)
-#define PIO_OUTP_STATE	(0x0CU)
-#define PIO_DRV_SET	(0x10U)
-#define PIO_DRV_CLR	(0x14U)
-#define PIO_DRV_STATE	(0x18U)
-#define PIO_SDINP_STATE	(0x1CU)
-#define PIO_SDOUTP_SET	(0x20U)
-#define PIO_SDOUTP_CLR	(0x24U)
-#define PIO_MUX_SET	(0x28U)
-#define PIO_MUX_CLR	(0x2CU)
-#define PIO_MUX_STATE	(0x30U)
-
-static inline void gpio_lock(void)
-{
-	local_irq_disable();
-}
-
-static inline void gpio_unlock(void)
-{
-	local_irq_enable();
-}
-
-/* Inline functions */
-static inline int gpio_read_bit(u32 reg, int gpio)
-{
-	u32 bit, val;
-	int ret = -EFAULT;
-
-	if (gpio < 0)
-		goto out;
-
-	bit = GPIO_BIT(gpio);
-	if (bit) {
-		val = __raw_readl(PIO_VA_BASE + reg);
-		ret = (val & bit) ? 1 : 0;
-	}
-out:
-	return ret;
-}
-
-static inline int gpio_set_bit(u32 reg, int gpio)
-{
-	u32 bit, val;
-	int ret = -EFAULT;
-
-	if (gpio < 0)
-		goto out;
-
-	bit = GPIO_BIT(gpio);
-	if (bit) {
-		val = __raw_readl(PIO_VA_BASE + reg);
-		val |= bit;
-		__raw_writel(val, PIO_VA_BASE + reg);
-		ret = 0;
-	}
-out:
-	return ret;
-}
-
-/* Very simple access control, bitmap for allocated/free */
-static unsigned long access_map[4];
-#define INP_INDEX	0
-#define OUTP_INDEX	1
-#define GPIO_INDEX	2
-#define MUX_INDEX	3
-
-/*GPIO to Input Mapping */
-static short gpio_to_inp_map[32] = {
-	-1, -1, -1, -1, -1, -1, -1, -1,
-	-1, -1, -1, -1, -1, -1, -1, -1,
-	-1, -1, -1, -1, -1, -1, -1, -1,
-	-1, 10, 11, 12, 13, 14, 24, -1
-};
-
-/*GPIO to Mux Mapping */
-static short gpio_to_mux_map[32] = {
-	-1, -1, -1, -1, -1, -1, -1, -1,
-	-1, -1, -1, -1, -1, -1, -1, -1,
-	-1, -1, -1, -1, -1, -1, -1, -1,
-	-1, -1, -1, 0, 1, 4, 5, -1
-};
-
-/*Output to Mux Mapping */
-static short outp_to_mux_map[32] = {
-	-1, -1, -1, 6, -1, -1, -1, -1,
-	-1, -1, -1, -1, -1, -1, -1, -1,
-	-1, -1, -1, -1, -1, 2, -1, -1,
-	-1, -1, -1, -1, -1, -1, -1, -1
-};
-
-int pnx4008_gpio_register_pin(unsigned short pin)
-{
-	unsigned long bit = GPIO_BIT(pin);
-	int ret = -EBUSY;	/* Already in use */
-
-	gpio_lock();
-
-	if (GPIO_ISBID(pin)) {
-		if (access_map[GPIO_INDEX] & bit)
-			goto out;
-		access_map[GPIO_INDEX] |= bit;
-
-	} else if (GPIO_ISRAM(pin)) {
-		if (access_map[GPIO_INDEX] & bit)
-			goto out;
-		access_map[GPIO_INDEX] |= bit;
-
-	} else if (GPIO_ISMUX(pin)) {
-		if (access_map[MUX_INDEX] & bit)
-			goto out;
-		access_map[MUX_INDEX] |= bit;
-
-	} else if (GPIO_ISOUT(pin)) {
-		if (access_map[OUTP_INDEX] & bit)
-			goto out;
-		access_map[OUTP_INDEX] |= bit;
-
-	} else if (GPIO_ISIN(pin)) {
-		if (access_map[INP_INDEX] & bit)
-			goto out;
-		access_map[INP_INDEX] |= bit;
-	} else
-		goto out;
-	ret = 0;
-
-out:
-	gpio_unlock();
-	return ret;
-}
-
-EXPORT_SYMBOL(pnx4008_gpio_register_pin);
-
-int pnx4008_gpio_unregister_pin(unsigned short pin)
-{
-	unsigned long bit = GPIO_BIT(pin);
-	int ret = -EFAULT;	/* Not registered */
-
-	gpio_lock();
-
-	if (GPIO_ISBID(pin)) {
-		if (~access_map[GPIO_INDEX] & bit)
-			goto out;
-		access_map[GPIO_INDEX] &= ~bit;
-	} else if (GPIO_ISRAM(pin)) {
-		if (~access_map[GPIO_INDEX] & bit)
-			goto out;
-		access_map[GPIO_INDEX] &= ~bit;
-	} else if (GPIO_ISMUX(pin)) {
-		if (~access_map[MUX_INDEX] & bit)
-			goto out;
-		access_map[MUX_INDEX] &= ~bit;
-	} else if (GPIO_ISOUT(pin)) {
-		if (~access_map[OUTP_INDEX] & bit)
-			goto out;
-		access_map[OUTP_INDEX] &= ~bit;
-	} else if (GPIO_ISIN(pin)) {
-		if (~access_map[INP_INDEX] & bit)
-			goto out;
-		access_map[INP_INDEX] &= ~bit;
-	} else
-		goto out;
-	ret = 0;
-
-out:
-	gpio_unlock();
-	return ret;
-}
-
-EXPORT_SYMBOL(pnx4008_gpio_unregister_pin);
-
-unsigned long pnx4008_gpio_read_pin(unsigned short pin)
-{
-	unsigned long ret = -EFAULT;
-	int gpio = GPIO_BIT_MASK(pin);
-	gpio_lock();
-	if (GPIO_ISOUT(pin)) {
-		ret = gpio_read_bit(PIO_OUTP_STATE, gpio);
-	} else if (GPIO_ISRAM(pin)) {
-		if (gpio_read_bit(PIO_DRV_STATE, gpio) == 0) {
-			ret = gpio_read_bit(PIO_SDINP_STATE, gpio);
-		}
-	} else if (GPIO_ISBID(pin)) {
-		ret = gpio_read_bit(PIO_DRV_STATE, gpio);
-		if (ret > 0)
-			ret = gpio_read_bit(PIO_OUTP_STATE, gpio);
-		else if (ret == 0)
-			ret =
-			    gpio_read_bit(PIO_INP_STATE, gpio_to_inp_map[gpio]);
-	} else if (GPIO_ISIN(pin)) {
-		ret = gpio_read_bit(PIO_INP_STATE, gpio);
-	}
-	gpio_unlock();
-	return ret;
-}
-
-EXPORT_SYMBOL(pnx4008_gpio_read_pin);
-
-/* Write Value to output */
-int pnx4008_gpio_write_pin(unsigned short pin, int output)
-{
-	int gpio = GPIO_BIT_MASK(pin);
-	int ret = -EFAULT;
-
-	gpio_lock();
-	if (GPIO_ISOUT(pin)) {
-		printk( "writing '%x' to '%x'\n",
-				gpio, output ? PIO_OUTP_SET : PIO_OUTP_CLR );
-		ret = gpio_set_bit(output ? PIO_OUTP_SET : PIO_OUTP_CLR, gpio);
-	} else if (GPIO_ISRAM(pin)) {
-		if (gpio_read_bit(PIO_DRV_STATE, gpio) > 0)
-			ret = gpio_set_bit(output ? PIO_SDOUTP_SET :
-					   PIO_SDOUTP_CLR, gpio);
-	} else if (GPIO_ISBID(pin)) {
-		if (gpio_read_bit(PIO_DRV_STATE, gpio) > 0)
-			ret = gpio_set_bit(output ? PIO_OUTP_SET :
-					   PIO_OUTP_CLR, gpio);
-	}
-	gpio_unlock();
-	return ret;
-}
-
-EXPORT_SYMBOL(pnx4008_gpio_write_pin);
-
-/* Value = 1 : Set GPIO pin as output */
-/* Value = 0 : Set GPIO pin as input */
-int pnx4008_gpio_set_pin_direction(unsigned short pin, int output)
-{
-	int gpio = GPIO_BIT_MASK(pin);
-	int ret = -EFAULT;
-
-	gpio_lock();
-	if (GPIO_ISBID(pin) || GPIO_ISRAM(pin)) {
-		ret = gpio_set_bit(output ? PIO_DRV_SET : PIO_DRV_CLR, gpio);
-	}
-	gpio_unlock();
-	return ret;
-}
-
-EXPORT_SYMBOL(pnx4008_gpio_set_pin_direction);
-
-/* Read GPIO pin direction: 0= pin used as input, 1= pin used as output*/
-int pnx4008_gpio_read_pin_direction(unsigned short pin)
-{
-	int gpio = GPIO_BIT_MASK(pin);
-	int ret = -EFAULT;
-
-	gpio_lock();
-	if (GPIO_ISBID(pin) || GPIO_ISRAM(pin)) {
-		ret = gpio_read_bit(PIO_DRV_STATE, gpio);
-	}
-	gpio_unlock();
-	return ret;
-}
-
-EXPORT_SYMBOL(pnx4008_gpio_read_pin_direction);
-
-/* Value = 1 : Set pin to muxed function  */
-/* Value = 0 : Set pin as GPIO */
-int pnx4008_gpio_set_pin_mux(unsigned short pin, int output)
-{
-	int gpio = GPIO_BIT_MASK(pin);
-	int ret = -EFAULT;
-
-	gpio_lock();
-	if (GPIO_ISBID(pin)) {
-		ret =
-		    gpio_set_bit(output ? PIO_MUX_SET : PIO_MUX_CLR,
-				 gpio_to_mux_map[gpio]);
-	} else if (GPIO_ISOUT(pin)) {
-		ret =
-		    gpio_set_bit(output ? PIO_MUX_SET : PIO_MUX_CLR,
-				 outp_to_mux_map[gpio]);
-	} else if (GPIO_ISMUX(pin)) {
-		ret = gpio_set_bit(output ? PIO_MUX_SET : PIO_MUX_CLR, gpio);
-	}
-	gpio_unlock();
-	return ret;
-}
-
-EXPORT_SYMBOL(pnx4008_gpio_set_pin_mux);
-
-/* Read pin mux function: 0= pin used as GPIO, 1= pin used for muxed function*/
-int pnx4008_gpio_read_pin_mux(unsigned short pin)
-{
-	int gpio = GPIO_BIT_MASK(pin);
-	int ret = -EFAULT;
-
-	gpio_lock();
-	if (GPIO_ISBID(pin)) {
-		ret = gpio_read_bit(PIO_MUX_STATE, gpio_to_mux_map[gpio]);
-	} else if (GPIO_ISOUT(pin)) {
-		ret = gpio_read_bit(PIO_MUX_STATE, outp_to_mux_map[gpio]);
-	} else if (GPIO_ISMUX(pin)) {
-		ret = gpio_read_bit(PIO_MUX_STATE, gpio);
-	}
-	gpio_unlock();
-	return ret;
-}
-
-EXPORT_SYMBOL(pnx4008_gpio_read_pin_mux);