[U-Boot] [PATCH 3/5] sunxi: Add support for UART0 in PB pin group on A33

Chen-Yu Tsai wens at csie.org
Tue Jun 23 13:57:25 CEST 2015


The A33 adds a pinmux function for UART0 in the PB pin group.

Signed-off-by: Chen-Yu Tsai <wens at csie.org>
---
 arch/arm/cpu/armv7/sunxi/board.c       | 4 ++++
 arch/arm/include/asm/arch-sunxi/gpio.h | 1 +
 2 files changed, 5 insertions(+)

diff --git a/arch/arm/cpu/armv7/sunxi/board.c b/arch/arm/cpu/armv7/sunxi/board.c
index 5a4e64b..f01846e 100644
--- a/arch/arm/cpu/armv7/sunxi/board.c
+++ b/arch/arm/cpu/armv7/sunxi/board.c
@@ -66,6 +66,10 @@ static int gpio_init(void)
 	sunxi_gpio_set_cfgpin(SUNXI_GPH(20), SUN6I_GPH_UART0);
 	sunxi_gpio_set_cfgpin(SUNXI_GPH(21), SUN6I_GPH_UART0);
 	sunxi_gpio_set_pull(SUNXI_GPH(21), SUNXI_GPIO_PULL_UP);
+#elif CONFIG_CONS_INDEX == 1 && defined(CONFIG_MACH_SUN8I_A33)
+	sunxi_gpio_set_cfgpin(SUNXI_GPB(0), SUN8I_A33_GPB_UART0);
+	sunxi_gpio_set_cfgpin(SUNXI_GPB(1), SUN8I_A33_GPB_UART0);
+	sunxi_gpio_set_pull(SUNXI_GPB(1), SUNXI_GPIO_PULL_UP);
 #elif CONFIG_CONS_INDEX == 1 && defined(CONFIG_MACH_SUN9I)
 	sunxi_gpio_set_cfgpin(SUNXI_GPH(12), SUN9I_GPH_UART0);
 	sunxi_gpio_set_cfgpin(SUNXI_GPH(13), SUN9I_GPH_UART0);
diff --git a/arch/arm/include/asm/arch-sunxi/gpio.h b/arch/arm/include/asm/arch-sunxi/gpio.h
index b628fee..f30e76f 100644
--- a/arch/arm/include/asm/arch-sunxi/gpio.h
+++ b/arch/arm/include/asm/arch-sunxi/gpio.h
@@ -156,6 +156,7 @@ enum sunxi_gpio_number {
 #define SUN4I_GPB_UART0		2
 #define SUN5I_GPB_UART0		2
 #define SUN8I_GPB_UART2		2
+#define SUN8I_A33_GPB_UART0	3
 
 #define SUNXI_GPC_NAND		2
 
-- 
2.1.4



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