From 5cd83b11f934295cdd0e201b54c1c2b99529698f Mon Sep 17 00:00:00 2001
From: Laurent Itti <laurentitti@gmail.com>
Date: Tue, 5 May 2015 17:02:00 -0700
Subject: [PATCH] sunxi: add support for UART2 on A23/A33
Add support for UART2 (2-pin version but note that RTS/CTS pins are available
pn that port for possible future use), can be selected in config
by using CONFIG_CONS_INDEX=3
Signed-off-by: Laurent Itti <laurentitti@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
arch/arm/cpu/armv7/sunxi/board.c | 4 ++++
arch/arm/include/asm/arch-sunxi/gpio.h | 1 +
include/configs/sunxi-common.h | 2 ++
3 files changed, 7 insertions(+)
diff --git a/arch/arm/cpu/armv7/sunxi/board.c b/arch/arm/cpu/armv7/sunxi/board.c
index 6718ae2205..e6730c0dfa 100644
--- a/arch/arm/cpu/armv7/sunxi/board.c
+++ b/arch/arm/cpu/armv7/sunxi/board.c
@@ -68,6 +68,10 @@ static int gpio_init(void)
sunxi_gpio_set_cfgpin(SUNXI_GPG(3), SUN5I_GPG_UART1);
sunxi_gpio_set_cfgpin(SUNXI_GPG(4), SUN5I_GPG_UART1);
sunxi_gpio_set_pull(SUNXI_GPG(4), SUNXI_GPIO_PULL_UP);
+#elif CONFIG_CONS_INDEX == 3 && defined(CONFIG_MACH_SUN8I)
+ sunxi_gpio_set_cfgpin(SUNXI_GPB(0), SUN8I_GPB_UART2);
+ sunxi_gpio_set_cfgpin(SUNXI_GPB(1), SUN8I_GPB_UART2);
+ sunxi_gpio_set_pull(SUNXI_GPB(1), SUNXI_GPIO_PULL_UP);
#elif CONFIG_CONS_INDEX == 5 && defined(CONFIG_MACH_SUN8I)
sunxi_gpio_set_cfgpin(SUNXI_GPL(2), SUN8I_GPL_R_UART);
sunxi_gpio_set_cfgpin(SUNXI_GPL(3), SUN8I_GPL_R_UART);
diff --git a/arch/arm/include/asm/arch-sunxi/gpio.h b/arch/arm/include/asm/arch-sunxi/gpio.h
index 59d8210e88..148123a87f 100644
--- a/arch/arm/include/asm/arch-sunxi/gpio.h
+++ b/arch/arm/include/asm/arch-sunxi/gpio.h
@@ -155,6 +155,7 @@ enum sunxi_gpio_number {
#define SUN5I_GPB_TWI2 2
#define SUN4I_GPB_UART0 2
#define SUN5I_GPB_UART0 2
+#define SUN8I_GPB_UART2 2
#define SUNXI_GPC_SDC2 3
#define SUN6I_GPC_SDC3 4
diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h
index 0495dc3b8c..f80f006e3d 100644
--- a/include/configs/sunxi-common.h
+++ b/include/configs/sunxi-common.h
@@ -241,6 +241,8 @@ extern int soft_i2c_gpio_scl;
#endif
#elif CONFIG_CONS_INDEX == 2 && defined(CONFIG_MACH_SUN5I)
#define OF_STDOUT_PATH "/soc@01c00000/serial@01c28400:115200"
+#elif CONFIG_CONS_INDEX == 3 && defined(CONFIG_MACH_SUN8I)
+#define OF_STDOUT_PATH "/soc@01c00000/serial@01c28800:115200"
#elif CONFIG_CONS_INDEX == 5 && defined(CONFIG_MACH_SUN8I)
#define OF_STDOUT_PATH "/soc@01c00000/serial@01f02800:115200"
#else