domenico/openwrt-18.06
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domenico
2025-06-24 15:51:28 +02:00
commit 22031d9dab
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73
target/linux/ixp4xx/patches-4.9/030-gpio_line_config.patch Normal file
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@@ -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__