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authorkaloz <kaloz@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-09-21 05:40:04 +0000
committerkaloz <kaloz@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-09-21 05:40:04 +0000
commite3342242df96711d525c234141a09493d3d8bcca (patch)
tree95ece87609561128a713654dac3ba268af333332 /target/linux/cns3xxx/patches-3.3/104-cns3xxx_gpio.patch
parent053d207b3c520875ca7135f21516eee531528431 (diff)
[cns3xxx]: move gpio stuff into the right file
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33502 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/cns3xxx/patches-3.3/104-cns3xxx_gpio.patch')
-rw-r--r--target/linux/cns3xxx/patches-3.3/104-cns3xxx_gpio.patch111
1 files changed, 111 insertions, 0 deletions
diff --git a/target/linux/cns3xxx/patches-3.3/104-cns3xxx_gpio.patch b/target/linux/cns3xxx/patches-3.3/104-cns3xxx_gpio.patch
index a4d186c868..ebaaa4df7d 100644
--- a/target/linux/cns3xxx/patches-3.3/104-cns3xxx_gpio.patch
+++ b/target/linux/cns3xxx/patches-3.3/104-cns3xxx_gpio.patch
@@ -105,3 +105,114 @@
void __init cns3xxx_init_irq(void);
void cns3xxx_power_off(void);
void cns3xxx_restart(char, const char *);
+--- a/arch/arm/Kconfig
++++ b/arch/arm/Kconfig
+@@ -366,6 +366,7 @@ config ARCH_CLPS711X
+ config ARCH_CNS3XXX
+ bool "Cavium Networks CNS3XXX family"
+ select CPU_V6K
++ select ARCH_WANT_OPTIONAL_GPIOLIB
+ select GENERIC_CLOCKEVENTS
+ select ARM_GIC
+ select CLKDEV_LOOKUP
+--- /dev/null
++++ b/arch/arm/mach-cns3xxx/include/mach/gpio.h
+@@ -0,0 +1,98 @@
++/*
++ * arch/arm/mach-cns3xxx/include/mach/gpio.h
++ *
++ * CNS3xxx GPIO wrappers for arch-neutral GPIO calls
++ *
++ * Copyright 2011 Gateworks Corporation
++ * Chris Lang <clang@gateworks.com>
++ *
++ * Based on IXP implementation by Milan Svoboda <msvoboda@ra.rockwell.com>
++ * Based on PXA implementation by Philipp Zabel <philipp.zabel@gmail.com>
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License as published by
++ * the Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software
++ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
++ *
++ */
++
++#ifndef __ASM_ARCH_CNS3XXX_GPIO_H
++#define __ASM_ARCH_CNS3XXX_GPIO_H
++
++#include <linux/kernel.h>
++#include <linux/io.h>
++#include <mach/platform.h>
++#include <asm-generic/gpio.h> /* cansleep wrappers */
++
++#define NR_BUILTIN_GPIO 64
++
++#define CNS3XXX_GPIO_IN 0x0
++#define CNS3XXX_GPIO_OUT 0x1
++
++#define CNS3XXX_GPIO_LO 0
++#define CNS3XXX_GPIO_HI 1
++
++#define CNS3XXX_GPIO_OUTPUT 0x00
++#define CNS3XXX_GPIO_INPUT 0x04
++#define CNS3XXX_GPIO_DIR 0x08
++#define CNS3XXX_GPIO_SET 0x10
++#define CNS3XXX_GPIO_CLEAR 0x14
++
++static inline void gpio_line_get(u8 line, int *value)
++{
++ if (line < 32)
++ *value = ((__raw_readl(CNS3XXX_GPIOA_BASE_VIRT + CNS3XXX_GPIO_INPUT) >> line) & 0x1);
++ else
++ *value = ((__raw_readl(CNS3XXX_GPIOB_BASE_VIRT + CNS3XXX_GPIO_INPUT) >> (line - 32)) & 0x1);
++}
++
++static inline void gpio_line_set(u8 line, int value)
++{
++ if (line < 32) {
++ if (value)
++ __raw_writel((1 << line), CNS3XXX_GPIOA_BASE_VIRT + CNS3XXX_GPIO_SET);
++ else
++ __raw_writel((1 << line), CNS3XXX_GPIOA_BASE_VIRT + CNS3XXX_GPIO_CLEAR);
++ } else {
++ if (value)
++ __raw_writel((1 << line), CNS3XXX_GPIOB_BASE_VIRT + CNS3XXX_GPIO_SET);
++ else
++ __raw_writel((1 << line), CNS3XXX_GPIOB_BASE_VIRT + CNS3XXX_GPIO_CLEAR);
++ }
++}
++
++static inline int gpio_get_value(unsigned gpio)
++{
++ if (gpio < NR_BUILTIN_GPIO)
++ {
++ int value;
++ gpio_line_get(gpio, &value);
++ return value;
++ }
++ else
++ return __gpio_get_value(gpio);
++}
++
++static inline void gpio_set_value(unsigned gpio, int value)
++{
++ if (gpio < NR_BUILTIN_GPIO)
++ gpio_line_set(gpio, value);
++ else
++ __gpio_set_value(gpio, value);
++}
++
++#define gpio_cansleep __gpio_cansleep
++
++extern int gpio_to_irq(int gpio);
++extern int irq_to_gpio(int gpio);
++
++#endif