From 716ca530e1c4515d8683c9d5be3d56b301758b66 Mon Sep 17 00:00:00 2001
From: James <>
Date: Wed, 4 Nov 2015 11:49:21 +0000
Subject: trunk-47381

---
 .../ixp4xx/patches-4.1/030-gpio_line_config.patch  | 73 ++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 target/linux/ixp4xx/patches-4.1/030-gpio_line_config.patch

(limited to 'target/linux/ixp4xx/patches-4.1/030-gpio_line_config.patch')

diff --git a/target/linux/ixp4xx/patches-4.1/030-gpio_line_config.patch b/target/linux/ixp4xx/patches-4.1/030-gpio_line_config.patch
new file mode 100644
index 0000000..0e51793
--- /dev/null
+++ b/target/linux/ixp4xx/patches-4.1/030-gpio_line_config.patch
@@ -0,0 +1,73 @@
+--- a/arch/arm/mach-ixp4xx/common.c
++++ b/arch/arm/mach-ixp4xx/common.c
+@@ -93,22 +93,7 @@ void __init ixp4xx_map_io(void)
+ /*
+  * GPIO-functions
+  */
+-/*
+- * The following converted to the real HW bits the gpio_line_config
+- */
+-/* GPIO pin types */
+-#define IXP4XX_GPIO_OUT 		0x1
+-#define IXP4XX_GPIO_IN  		0x2
+-
+-/* GPIO signal types */
+-#define IXP4XX_GPIO_LOW			0
+-#define IXP4XX_GPIO_HIGH		1
+-
+-/* GPIO Clocks */
+-#define IXP4XX_GPIO_CLK_0		14
+-#define IXP4XX_GPIO_CLK_1		15
+-
+-static void gpio_line_config(u8 line, u32 direction)
++void gpio_line_config(u8 line, u32 direction)
+ {
+ 	if (direction == IXP4XX_GPIO_IN)
+ 		*IXP4XX_GPIO_GPOER |= (1 << line);
+@@ -116,17 +101,17 @@ static void gpio_line_config(u8 line, u3
+ 		*IXP4XX_GPIO_GPOER &= ~(1 << line);
+ }
+ 
+-static void gpio_line_get(u8 line, int *value)
++void gpio_line_get(u8 line, int *value)
+ {
+ 	*value = (*IXP4XX_GPIO_GPINR >> line) & 0x1;
+ }
+ 
+-static void gpio_line_set(u8 line, int value)
++void gpio_line_set(u8 line, int value)
+ {
+-	if (value == IXP4XX_GPIO_HIGH)
+-	    *IXP4XX_GPIO_GPOUTR |= (1 << line);
+-	else if (value == IXP4XX_GPIO_LOW)
++	if (value == IXP4XX_GPIO_LOW)
+ 	    *IXP4XX_GPIO_GPOUTR &= ~(1 << line);
++	else
++	    *IXP4XX_GPIO_GPOUTR |= (1 << line);
+ }
+ 
+ /*************************************************************************
+--- a/arch/arm/mach-ixp4xx/include/mach/platform.h
++++ b/arch/arm/mach-ixp4xx/include/mach/platform.h
+@@ -131,5 +131,21 @@ struct pci_sys_data;
+ extern int ixp4xx_setup(int nr, struct pci_sys_data *sys);
+ extern struct pci_ops ixp4xx_ops;
+ 
++/* GPIO pin types */
++#define IXP4XX_GPIO_OUT 		0x1
++#define IXP4XX_GPIO_IN  		0x2
++
++/* GPIO signal types */
++#define IXP4XX_GPIO_LOW			0
++#define IXP4XX_GPIO_HIGH		1
++
++/* GPIO Clocks */
++#define IXP4XX_GPIO_CLK_0		14
++#define IXP4XX_GPIO_CLK_1		15
++
++void gpio_line_config(u8 line, u32 direction);
++void gpio_line_get(u8 line, int *value);
++void gpio_line_set(u8 line, int value);
++
+ #endif // __ASSEMBLY__
+ 
-- 
cgit v1.2.3