summaryrefslogtreecommitdiffstats
path: root/include/asm-ppc/gpio.h
diff options
context:
space:
mode:
authorMarkus Klotzbuecher <mk@denx.de>2008-01-09 13:57:10 +0100
committerMarkus Klotzbuecher <mk@denx.de>2008-01-09 13:57:10 +0100
commit6a40ef62c4300e9f606deef0a4618cbc4b514a51 (patch)
treec01bdd0e773d092f13af05567fa92fb9072df9e0 /include/asm-ppc/gpio.h
parent245a362ad3c0c1b84fccc9fec7b623eb14f6e502 (diff)
parent07eb02687f008721974a2fb54cd7fdc28033ab3c (diff)
downloadu-boot-6a40ef62c4300e9f606deef0a4618cbc4b514a51.tar.gz
u-boot-6a40ef62c4300e9f606deef0a4618cbc4b514a51.tar.xz
u-boot-6a40ef62c4300e9f606deef0a4618cbc4b514a51.zip
Merge git://www.denx.de/git/u-boot
Conflicts: board/tqm5200/tqm5200.c
Diffstat (limited to 'include/asm-ppc/gpio.h')
-rw-r--r--include/asm-ppc/gpio.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/include/asm-ppc/gpio.h b/include/asm-ppc/gpio.h
index c9b6a36b4f..c3a4a88d58 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
@@ -55,4 +88,7 @@ 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 */