sun9i: Basic sun9i (A80) support

Add initial sun9i (A80) support, only uart + mmc are supported for now.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>

arch/arm/cpu/armv7/sunxi/Makefile

@@ -13,7 +13,9 @@ obj-y	+= clock.o
 obj-y	+= cpu_info.o
 obj-y	+= dram_helpers.o
 obj-y	+= pinmux.o
+ifndef CONFIG_MACH_SUN9I
 obj-y	+= usb_phy.o
+endif
 obj-$(CONFIG_MACH_SUN6I)	+= prcm.o
 obj-$(CONFIG_MACH_SUN8I)	+= prcm.o
 obj-$(CONFIG_MACH_SUN9I)	+= prcm.o

arch/arm/cpu/armv7/sunxi/board.c

@@ -64,6 +64,10 @@ 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_SUN9I)
+	sunxi_gpio_set_cfgpin(SUNXI_GPH(12), SUN9I_GPH_UART0);
+	sunxi_gpio_set_cfgpin(SUNXI_GPH(13), SUN9I_GPH_UART0);
+	sunxi_gpio_set_pull(SUNXI_GPH(13), SUNXI_GPIO_PULL_UP);
 #elif CONFIG_CONS_INDEX == 2 && defined(CONFIG_MACH_SUN5I)
 	sunxi_gpio_set_cfgpin(SUNXI_GPG(3), SUN5I_GPG_UART1);
 	sunxi_gpio_set_cfgpin(SUNXI_GPG(4), SUN5I_GPG_UART1);

arch/arm/cpu/armv7/sunxi/cpu_info.c

@@ -11,6 +11,7 @@
 #include <asm/arch/cpu.h>
 #include <asm/arch/clock.h>
 #include <axp221.h>
+#include <errno.h>
 
 #ifdef CONFIG_MACH_SUN6I
 int sunxi_get_ss_bonding_id(void)
@@ -68,6 +69,8 @@ int print_cpuinfo(void)
 	puts("CPU:   Allwinner A23 (SUN8I)\n");
 #elif defined CONFIG_MACH_SUN8I_A33
 	puts("CPU:   Allwinner A33 (SUN8I)\n");
+#elif defined CONFIG_MACH_SUN9I
+	puts("CPU:   Allwinner A80 (SUN9I)\n");
 #else
 #warning Please update cpu_info.c with correct CPU information
 	puts("CPU:   SUNXI Family\n");

arch/arm/include/asm/arch-sunxi/gpio.h

@@ -185,6 +185,7 @@ enum sunxi_gpio_number {
 #define SUN8I_GPH_TWI1		2
 #define SUN6I_GPH_TWI2		2
 #define SUN6I_GPH_UART0		2
+#define SUN9I_GPH_UART0		2
 
 #define SUNXI_GPI_SDC3		2
 #define SUN7I_GPI_TWI3		3

board/sunxi/Kconfig

@@ -59,6 +59,11 @@ config MACH_SUN8I_A33
 	select SUNXI_GEN_SUN6I
 	select SUPPORT_SPL
 
+config MACH_SUN9I
+	bool "sun9i (Allwinner A80)"
+	select CPU_V7
+	select SUNXI_GEN_SUN6I
+
 endchoice
 
 # The sun8i SoCs share a lot, this helps to avoid a lot of "if A23 || A33"
@@ -187,6 +192,7 @@ config SYS_CONFIG_NAME
 	default "sun6i" if MACH_SUN6I
 	default "sun7i" if MACH_SUN7I
 	default "sun8i" if MACH_SUN8I
+	default "sun9i" if MACH_SUN9I
 
 config SYS_BOARD
 	default "sunxi"

board/sunxi/board.c

@@ -530,10 +530,11 @@ int misc_init_r(void)
 		}
 	}
 
+#ifndef CONFIG_MACH_SUN9I
 	ret = sunxi_usb_phy_probe();
 	if (ret)
 		return ret;
-
+#endif
 #if defined(CONFIG_MUSB_HOST) || defined(CONFIG_MUSB_GADGET)
 	musb_register(&musb_plat, NULL, (void *)SUNXI_USB0_BASE);
 #endif

include/configs/sun9i.h

@@ -0,0 +1,21 @@
+/*
+ * (C) Copyright 2015 Hans de Goede <hdegoede@redhat.com>
+ *
+ * Configuration settings for the Allwinner A80 (sun9i) CPU
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * A80 specific configuration
+ */
+
+/*
+ * Include common sunxi configuration where most the settings are
+ */
+#include <configs/sunxi-common.h>
+
+#endif /* __CONFIG_H */