ppc4xx: Enable 440 GPIO init table CFG_440_GPIO_TABLE for 405 platforms
- Rename CFG_440_GPIO_TABLE to CFG_4xx_GPIO_TABLE
- Cleanup of the 4xx GPIO functions
- Move some GPIO defines from the cpu headers ppc405.h/ppc440.h into gpio.h
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/include/asm-ppc/gpio.h b/include/asm-ppc/gpio.h
index c9b6a36..d0c3eba 100644
--- a/include/asm-ppc/gpio.h
+++ b/include/asm-ppc/gpio.h
@@ -21,6 +21,9 @@
* 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) || \
@@ -30,6 +33,36 @@
#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
@@ -56,3 +89,5 @@
void gpio_write_bit(int pin, int val);
int gpio_read_out_bit(int pin);
void gpio_set_chip_configuration(void);
+
+#endif /* __ASM_PPC_GPIO_H */