X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Fasm-ppc%2Fgpio.h;h=fc05dc0df714361c2573d59ccc773e637f55464d;hb=ed9953d6903c9673135a96ae1644f61cb0eac5ce;hp=c9b6a36b4f95a3934041d9ba713e1b5033deda26;hpb=bc2962482b707e44e0b43d20bd4dcf2a40230abb;p=oweals%2Fu-boot.git

diff --git a/include/asm-ppc/gpio.h b/include/asm-ppc/gpio.h
index c9b6a36b4f..fc05dc0df7 100644
--- a/include/asm-ppc/gpio.h
+++ b/include/asm-ppc/gpio.h
@@ -1,5 +1,5 @@
 /*
- * (C) Copyright 2007
+ * (C) Copyright 2007-2008
  * Stefan Roese, DENX Software Engineering, sr@denx.de.
  *
  * See file CREDITS for list of people who contributed to this
@@ -21,15 +21,49 @@
  * MA 02111-1307 USA
  */
 
+#ifndef __ASM_PPC_GPIO_H
+#define __ASM_PPC_GPIO_H
+
 /* 4xx PPC's have 2 GPIO controllers */
 #if defined(CONFIG_405EZ) ||					\
 	defined(CONFIG_440EP) || defined(CONFIG_440GR) ||	\
-	defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+	defined(CONFIG_440EPX) || defined(CONFIG_440GRX) ||	\
+	defined(CONFIG_460EX) || defined(CONFIG_460GT)
 #define GPIO_GROUP_MAX	2
 #else
 #define GPIO_GROUP_MAX	1
 #endif
 
+/* Offsets */
+#define GPIOx_OR	0x00		/* GPIO Output Register */
+#define GPIOx_TCR	0x04		/* GPIO Three-State Control Register */
+#define GPIOx_OSL	0x08		/* GPIO Output Select Register (Bits 0-31) */
+#define GPIOx_OSH	0x0C		/* GPIO Ouput Select Register (Bits 32-63) */
+#define GPIOx_TSL	0x10		/* GPIO Three-State Select Register (Bits 0-31) */
+#define GPIOx_TSH	0x14		/* GPIO Three-State Select Register  (Bits 32-63) */
+#define GPIOx_ODR	0x18		/* GPIO Open drain Register */
+#define GPIOx_IR	0x1C		/* GPIO Input Register */
+#define GPIOx_RR1	0x20		/* GPIO Receive Register 1 */
+#define GPIOx_RR2	0x24		/* GPIO Receive Register 2 */
+#define GPIOx_RR3	0x28		/* GPIO Receive Register 3 */
+#define GPIOx_IS1L	0x30		/* GPIO Input Select Register 1 (Bits 0-31) */
+#define GPIOx_IS1H	0x34		/* GPIO Input Select Register 1 (Bits 32-63) */
+#define GPIOx_IS2L	0x38		/* GPIO Input Select Register 2 (Bits 0-31) */
+#define GPIOx_IS2H	0x3C		/* GPIO Input Select Register 2 (Bits 32-63) */
+#define GPIOx_IS3L	0x40		/* GPIO Input Select Register 3 (Bits 0-31) */
+#define GPIOx_IS3H	0x44		/* GPIO Input Select Register 3 (Bits 32-63) */
+
+#define GPIO_OR(x)	(x+GPIOx_OR)	/* GPIO Output Register */
+#define GPIO_TCR(x)	(x+GPIOx_TCR)	/* GPIO Three-State Control Register */
+#define GPIO_OS(x)	(x+GPIOx_OSL)	/* GPIO Output Select Register High or Low */
+#define GPIO_TS(x)	(x+GPIOx_TSL)	/* GPIO Three-state Control Reg High or Low */
+#define GPIO_IS1(x)	(x+GPIOx_IS1L)	/* GPIO Input register1 High or Low */
+#define GPIO_IS2(x)	(x+GPIOx_IS2L)	/* GPIO Input register2 High or Low */
+#define GPIO_IS3(x)	(x+GPIOx_IS3L)	/* GPIO Input register3 High or Low */
+
+#define GPIO0		0
+#define GPIO1		1
+
 #define GPIO_MAX	32
 #define GPIO_ALT1_SEL	0x40000000
 #define GPIO_ALT2_SEL	0x80000000
@@ -55,4 +89,7 @@ typedef struct {
 void gpio_config(int pin, int in_out, int gpio_alt, int out_val);
 void gpio_write_bit(int pin, int val);
 int gpio_read_out_bit(int pin);
+int gpio_read_in_bit(int pin);
 void gpio_set_chip_configuration(void);
+
+#endif /* __ASM_PPC_GPIO_H */