The basic blocks of the A23 are similar to the A31 (sun6i). Re-use sun6i code for initial clock, gpio, and uart setup.
There is no SPL support for A23, as we do not have any documentation or sample code for DRAM initialization. Signed-off-by: Chen-Yu Tsai <[email protected]> Acked-by: Ian Campbell <[email protected]> --- arch/arm/Kconfig | 3 +++ arch/arm/cpu/armv7/sunxi/Makefile | 2 ++ arch/arm/cpu/armv7/sunxi/board.c | 3 ++- arch/arm/cpu/armv7/sunxi/cpu_info.c | 2 ++ arch/arm/include/asm/arch-sunxi/clock.h | 2 +- board/sunxi/Kconfig | 3 ++- include/configs/sun8i.h | 23 +++++++++++++++++++++++ 7 files changed, 35 insertions(+), 3 deletions(-) create mode 100644 include/configs/sun8i.h diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 8bcb7e3..cff7ad9 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -450,6 +450,9 @@ config TARGET_SUN6I config TARGET_SUN7I bool "Support sun7i" +config TARGET_SUN8I + bool "Support sun8i" + config TARGET_SNOWBALL bool "Support snowball" diff --git a/arch/arm/cpu/armv7/sunxi/Makefile b/arch/arm/cpu/armv7/sunxi/Makefile index 2a42dca..24f1dae 100644 --- a/arch/arm/cpu/armv7/sunxi/Makefile +++ b/arch/arm/cpu/armv7/sunxi/Makefile @@ -12,10 +12,12 @@ obj-y += board.o obj-y += clock.o obj-y += pinmux.o obj-$(CONFIG_SUN6I) += prcm.o +obj-$(CONFIG_SUN8I) += prcm.o obj-$(CONFIG_SUN4I) += clock_sun4i.o obj-$(CONFIG_SUN5I) += clock_sun4i.o obj-$(CONFIG_SUN6I) += clock_sun6i.o obj-$(CONFIG_SUN7I) += clock_sun4i.o +obj-$(CONFIG_SUN8I) += clock_sun6i.o ifndef CONFIG_SPL_BUILD obj-y += cpu_info.o diff --git a/arch/arm/cpu/armv7/sunxi/board.c b/arch/arm/cpu/armv7/sunxi/board.c index 29d45b6..61c1ba9 100644 --- a/arch/arm/cpu/armv7/sunxi/board.c +++ b/arch/arm/cpu/armv7/sunxi/board.c @@ -100,7 +100,8 @@ void reset_cpu(ulong addr) /* do some early init */ void s_init(void) { -#if !defined CONFIG_SPL_BUILD && (defined CONFIG_SUN7I || defined CONFIG_SUN6I) +#if !defined CONFIG_SPL_BUILD && (defined CONFIG_SUN7I || \ + defined CONFIG_SUN6I || defined CONFIG_SUN8I) /* Enable SMP mode for CPU0, by setting bit 6 of Auxiliary Ctl reg */ asm volatile( "mrc p15, 0, r0, c1, c0, 1\n" diff --git a/arch/arm/cpu/armv7/sunxi/cpu_info.c b/arch/arm/cpu/armv7/sunxi/cpu_info.c index 40c4e13..4f2a09c 100644 --- a/arch/arm/cpu/armv7/sunxi/cpu_info.c +++ b/arch/arm/cpu/armv7/sunxi/cpu_info.c @@ -27,6 +27,8 @@ int print_cpuinfo(void) puts("CPU: Allwinner A31 (SUN6I)\n"); #elif defined CONFIG_SUN7I puts("CPU: Allwinner A20 (SUN7I)\n"); +#elif defined CONFIG_SUN8I + puts("CPU: Allwinner A23 (SUN8I)\n"); #else #warning Please update cpu_info.c with correct CPU information puts("CPU: SUNXI Family\n"); diff --git a/arch/arm/include/asm/arch-sunxi/clock.h b/arch/arm/include/asm/arch-sunxi/clock.h index 8f5d860..012c2af 100644 --- a/arch/arm/include/asm/arch-sunxi/clock.h +++ b/arch/arm/include/asm/arch-sunxi/clock.h @@ -15,7 +15,7 @@ #define CLK_GATE_CLOSE 0x0 /* clock control module regs definition */ -#ifdef CONFIG_SUN6I +#if defined(CONFIG_SUN6I) || defined(CONFIG_SUN8I) #include <asm/arch/clock_sun6i.h> #else #include <asm/arch/clock_sun4i.h> diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig index 4ac562c..7fe9005 100644 --- a/board/sunxi/Kconfig +++ b/board/sunxi/Kconfig @@ -1,4 +1,4 @@ -if TARGET_SUN4I || TARGET_SUN5I || TARGET_SUN6I || TARGET_SUN7I +if TARGET_SUN4I || TARGET_SUN5I || TARGET_SUN6I || TARGET_SUN7I || TARGET_SUN8I config SYS_CONFIG_NAME string @@ -6,6 +6,7 @@ config SYS_CONFIG_NAME default "sun5i" if TARGET_SUN5I default "sun6i" if TARGET_SUN5I default "sun7i" if TARGET_SUN7I + default "sun8i" if TARGET_SUN8I config SYS_CPU default "armv7" diff --git a/include/configs/sun8i.h b/include/configs/sun8i.h new file mode 100644 index 0000000..1c1a7cd --- /dev/null +++ b/include/configs/sun8i.h @@ -0,0 +1,23 @@ +/* + * (C) Copyright 2014 Chen-Yu Tsai <[email protected]> + * + * Configuration settings for the Allwinner A23 (sun8i) CPU + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* + * A23 specific configuration + */ +#define CONFIG_SUN8I /* sun8i SoC generation */ +#define CONFIG_SYS_PROMPT "sun8i# " + +/* + * Include common sunxi configuration where most the settings are + */ +#include <configs/sunxi-common.h> + +#endif /* __CONFIG_H */ -- 2.1.1 -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
