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[U-Boot,PATCHv2,07/13] nomadik-gpio: get base address from platform code

Message ID 1270734200-17762-8-git-send-email-rabin.vincent@stericsson.com
State Not Applicable
Delegated to: Albert ARIBAUD
Headers show

Commit Message

Rabin Vincent April 8, 2010, 1:43 p.m. UTC 
Change the Nomadik GPIO driver to get the base addresses from platform
specific code, since it will be used on multiple platforms with
diff mbox

Patch

different base addresses.

Acked-by: Alessandro Rubini <rubini@unipv.it>
Acked-by: Michael Brandt <michael.brandt@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
---
 board/st/nhk8815/nhk8815.c  |    9 +++++++++
 drivers/gpio/nomadik_gpio.c |   11 ++---------
 include/configs/nhk8815.h   |    1 +
 include/nomadik.h           |    2 ++
 4 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/board/st/nhk8815/nhk8815.c b/board/st/nhk8815/nhk8815.c
index fc5d3b8..08fb332 100644
--- a/board/st/nhk8815/nhk8815.c
+++ b/board/st/nhk8815/nhk8815.c
@@ -32,6 +32,15 @@ 
 
 DECLARE_GLOBAL_DATA_PTR;
 
+#ifdef CONFIG_NOMADIK_GPIO
+unsigned long nmk_gpio_base[CONFIG_NOMADIK_GPIO_NUM_BANKS] = {
+	NOMADIK_GPIO0_BASE,
+	NOMADIK_GPIO1_BASE,
+	NOMADIK_GPIO2_BASE,
+	NOMADIK_GPIO3_BASE
+};
+#endif
+
 #ifdef CONFIG_SHOW_BOOT_PROGRESS
 void show_boot_progress(int progress)
 {
diff --git a/drivers/gpio/nomadik_gpio.c b/drivers/gpio/nomadik_gpio.c
index d084235..721c167 100644
--- a/drivers/gpio/nomadik_gpio.c
+++ b/drivers/gpio/nomadik_gpio.c
@@ -24,13 +24,6 @@ 
 #include <asm/io.h>
 #include <nomadik.h>
 
-static unsigned long gpio_base[4] = {
-	NOMADIK_GPIO0_BASE,
-	NOMADIK_GPIO1_BASE,
-	NOMADIK_GPIO2_BASE,
-	NOMADIK_GPIO3_BASE
-};
-
 enum gpio_registers {
 	GPIO_DAT =	0x00,		/* data register */
 	GPIO_DATS =	0x04,		/* data set */
@@ -45,12 +38,12 @@  enum gpio_registers {
 
 static inline unsigned long gpio_to_base(int gpio)
 {
-	if ((gpio / 32) >= ARRAY_SIZE(gpio_base)) {
+	if ((gpio / 32) >= ARRAY_SIZE(nmk_gpio_base)) {
 		printf("nomadik-gpio: invalid gpio %d\n", gpio);
 		return 0;
 	}
 
-	return gpio_base[gpio / 32];
+	return nmk_gpio_base[gpio / 32];
 }
 
 static inline u32 gpio_to_bit(int gpio)
diff --git a/include/configs/nhk8815.h b/include/configs/nhk8815.h
index f882715..c7700b3 100644
--- a/include/configs/nhk8815.h
+++ b/include/configs/nhk8815.h
@@ -101,6 +101,7 @@ 
 
 /* GPIO */
 #define CONFIG_NOMADIK_GPIO
+#define CONFIG_NOMADIK_GPIO_NUM_BANKS	4
 
 /* serial port (PL011) configuration */
 #define CONFIG_PL011_SERIAL
diff --git a/include/nomadik.h b/include/nomadik.h
index 1d3c9ce..72f7e88 100644
--- a/include/nomadik.h
+++ b/include/nomadik.h
@@ -34,6 +34,8 @@  enum nmk_af { /* alternate function settings */
 	GPIO_ALT_C
 };
 
+extern unsigned long nmk_gpio_base[CONFIG_NOMADIK_GPIO_NUM_BANKS];
+
 extern void nmk_gpio_af(int gpio, int alternate_function);
 extern void nmk_gpio_dir(int gpio, int dir);
 extern void nmk_gpio_set(int gpio, int val);