[U-Boot] [PATCH] edminiv2: orion5x: fix GPIO inits and values

Albert ARIBAUD albert.u.boot at aribaud.net
Thu Aug 16 18:35:21 CEST 2012


Orion5x did not actually write GPIO output values
or input polarities, and ED Mini V2 had bad or
missing values for GPIO settings.

Signed-off-by: Albert ARIBAUD <albert.u.boot at aribaud.net>
---
 arch/arm/cpu/arm926ejs/orion5x/cpu.c |    2 ++
 include/configs/edminiv2.h           |   13 +++++++++----
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/arch/arm/cpu/arm926ejs/orion5x/cpu.c b/arch/arm/cpu/arm926ejs/orion5x/cpu.c
index 792b11d..c3948d3 100644
--- a/arch/arm/cpu/arm926ejs/orion5x/cpu.c
+++ b/arch/arm/cpu/arm926ejs/orion5x/cpu.c
@@ -292,7 +292,9 @@ int arch_misc_init(void)
 	writel(ORION5X_MPP0_7, ORION5X_MPP_BASE+0x00);
 	writel(ORION5X_MPP8_15, ORION5X_MPP_BASE+0x04);
 	writel(ORION5X_MPP16_23, ORION5X_MPP_BASE+0x50);
+	writel(ORION5X_GPIO_OUT_VALUE, ORION5X_GPIO_BASE+0x00);
 	writel(ORION5X_GPIO_OUT_ENABLE, ORION5X_GPIO_BASE+0x04);
+	writel(ORION5X_GPIO_IN_POLARITY, ORION5X_GPIO_BASE+0x0c);
 
 	/* initialize timer */
 	timer_init_r();
diff --git a/include/configs/edminiv2.h b/include/configs/edminiv2.h
index 6a67aa5..1541cfb 100644
--- a/include/configs/edminiv2.h
+++ b/include/configs/edminiv2.h
@@ -69,13 +69,18 @@
  * - GPIO16 is Power LED control (0 = on, 1 = off)
  * - GPIO17 is Power LED source select (0 = CPLD, 1 = GPIO16)
  * - GPIO18 is Power Button status (0 = Released, 1 = Pressed)
- * - Last GPIO is 26, further bits are supposed to be 0.
+ * - GPIO19 is SATA disk power toggle (toggles on 0-to-1)
+ * - GPIO22 is SATA disk power status ()
+ * - GPIO23 is supply status for SATA disk ()
+ * - GPIO24 is supply control for board (write 1 to power off)
+ * Last GPIO is 25, further bits are supposed to be 0.
  * Enable mask has ones for INPUT, 0 for OUTPUT.
- * Default is LED ON.
+ * Default is LED ON, board ON :)
  */
 
-#define ORION5X_GPIO_OUT_ENABLE	0x03fcffff
-#define ORION5X_GPIO_OUT_VALUE	0x03fcffff
+#define ORION5X_GPIO_OUT_ENABLE		0xfef4f0ca
+#define ORION5X_GPIO_OUT_VALUE		0x00000000
+#define ORION5X_GPIO_IN_POLARITY	0x000000d0
 
 /*
  * NS16550 Configuration
-- 
1.7.9.5



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