[PATCH] sunxi: Add support for using UART4 as console on A64

Add some additional tests and definitions to be able to use UART4 of A64 and do not let it get in conflict with R_UART of some other SoCs (e.g. A23).
Signed-off-by: Nazım Gediz Aydındoğmuş gediz.aydindogmus@genemek.com ---
arch/arm/include/asm/arch-sunxi/gpio.h | 1 + arch/arm/mach-sunxi/board.c | 4 ++++ arch/arm/mach-sunxi/clock_sun6i.c | 3 ++- include/configs/sunxi-common.h | 4 ++++ 4 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/arch/arm/include/asm/arch-sunxi/gpio.h b/arch/arm/include/asm/arch-sunxi/gpio.h index a646ea6a3c..1407aff25f 100644 --- a/arch/arm/include/asm/arch-sunxi/gpio.h +++ b/arch/arm/include/asm/arch-sunxi/gpio.h @@ -176,6 +176,7 @@ enum sunxi_gpio_number { #define SUNXI_GPD_LCD0 2 #define SUNXI_GPD_LVDS0 3 #define SUNXI_GPD_PWM 2 +#define SUN50I_GPD_UART4 3
#define SUN5I_GPE_SDC2 3 #define SUN8I_GPE_TWI2 3 diff --git a/arch/arm/mach-sunxi/board.c b/arch/arm/mach-sunxi/board.c index f40fccd8f8..7d95b7dd29 100644 --- a/arch/arm/mach-sunxi/board.c +++ b/arch/arm/mach-sunxi/board.c @@ -140,6 +140,10 @@ static int gpio_init(void) sunxi_gpio_set_cfgpin(SUNXI_GPL(2), SUN8I_GPL_R_UART); sunxi_gpio_set_cfgpin(SUNXI_GPL(3), SUN8I_GPL_R_UART); sunxi_gpio_set_pull(SUNXI_GPL(3), SUNXI_GPIO_PULL_UP); +#elif CONFIG_CONS_INDEX == 5 && defined(CONFIG_MACH_SUN50I) + sunxi_gpio_set_cfgpin(SUNXI_GPD(2), SUN50I_GPD_UART4); + sunxi_gpio_set_cfgpin(SUNXI_GPD(3), SUN50I_GPD_UART4); + sunxi_gpio_set_pull(SUNXI_GPD(3), SUNXI_GPIO_PULL_UP); #else #error Unsupported console port number. Please fix pin mux settings in board.c #endif diff --git a/arch/arm/mach-sunxi/clock_sun6i.c b/arch/arm/mach-sunxi/clock_sun6i.c index 8e84062bd7..1f13b96be3 100644 --- a/arch/arm/mach-sunxi/clock_sun6i.c +++ b/arch/arm/mach-sunxi/clock_sun6i.c @@ -83,7 +83,8 @@ void clock_init_sec(void)
void clock_init_uart(void) { -#if CONFIG_CONS_INDEX < 5 +#if CONFIG_CONS_INDEX < 5 || \ + defined(CONFIG_MACH_SUN50I) && CONFIG_CONS_INDEX < 6 struct sunxi_ccm_reg *const ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h index 5b0bec0561..1324d60f60 100644 --- a/include/configs/sunxi-common.h +++ b/include/configs/sunxi-common.h @@ -45,8 +45,12 @@ # define CONFIG_SYS_NS16550_COM2 SUNXI_UART1_BASE # define CONFIG_SYS_NS16550_COM3 SUNXI_UART2_BASE # define CONFIG_SYS_NS16550_COM4 SUNXI_UART3_BASE +#if defined(CONFIG_MACH_SUN50I) +# define CONFIG_SYS_NS16550_COM5 SUNXI_UART4_BASE +#else # define CONFIG_SYS_NS16550_COM5 SUNXI_R_UART_BASE #endif +#endif
/* CPU */ #define COUNTER_FREQUENCY 24000000
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Nazım Gediz Aydındoğmuş