[U-Boot] [PATCH v2 2/9] sunxi: Add support for UART0 in PB pin group on A83T

Vishnu Patekar vishnupatekar0510 at gmail.com
Sat Nov 28 18:07:20 CET 2015


On A83T, PB9,PB10 are UART0 pins.
On allwinner A83T Dev board(h8homlet), this uart0 serial connector
is exposed.

Signed-off-by: Vishnu Patekar <vishnupatekar0510 at gmail.com>
---
 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 4785ac6..348f028 100644
--- a/arch/arm/cpu/armv7/sunxi/board.c
+++ b/arch/arm/cpu/armv7/sunxi/board.c
@@ -72,6 +72,10 @@ static int gpio_init(void)
 	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_SUN8I_A83T)
+	sunxi_gpio_set_cfgpin(SUNXI_GPB(9), SUN8I_A83T_GPB_UART0);
+	sunxi_gpio_set_cfgpin(SUNXI_GPB(10), SUN8I_A83T_GPB_UART0);
+	sunxi_gpio_set_pull(SUNXI_GPB(10), 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 8382101..14a3328 100644
--- a/arch/arm/include/asm/arch-sunxi/gpio.h
+++ b/arch/arm/include/asm/arch-sunxi/gpio.h
@@ -157,6 +157,7 @@ enum sunxi_gpio_number {
 #define SUN5I_GPB_UART0		2
 #define SUN8I_GPB_UART2		2
 #define SUN8I_A33_GPB_UART0	3
+#define SUN8I_A83T_GPB_UART0	2
 
 #define SUNXI_GPC_NAND		2
 #define SUNXI_GPC_SDC2		3
-- 
1.9.1



More information about the U-Boot mailing list