From: Icenowy Zheng icenowy@aosc.xyz
Allwinner SoCs after H3 (e.g. A64, H5, R40, V3s) uses a H3-like DesignWare DRAM controller, which do not have official free DRAM initialization code, but can use modified dram_sun8i_h3.c.
Add a invisible option for easier DRAM initialization code reuse.
Signed-off-by: Icenowy Zheng icenowy@aosc.xyz Acked-by: Maxime Ripard maxime.ripard@free-electrons.com --- Changes in v2: - Rebased on newest sunxi/next.
arch/arm/include/asm/arch-sunxi/dram.h | 6 ++---- .../asm/arch-sunxi/{dram_sun8i_h3.h => dram_sunxi_dw.h} | 0 arch/arm/mach-sunxi/Kconfig | 10 ++++++++++ arch/arm/mach-sunxi/Makefile | 4 +--- arch/arm/mach-sunxi/{dram_sun8i_h3.c => dram_sunxi_dw.c} | 0 5 files changed, 13 insertions(+), 7 deletions(-) rename arch/arm/include/asm/arch-sunxi/{dram_sun8i_h3.h => dram_sunxi_dw.h} (100%) rename arch/arm/mach-sunxi/{dram_sun8i_h3.c => dram_sunxi_dw.c} (100%)
diff --git a/arch/arm/include/asm/arch-sunxi/dram.h b/arch/arm/include/asm/arch-sunxi/dram.h index f452f889f9..80abac95b8 100644 --- a/arch/arm/include/asm/arch-sunxi/dram.h +++ b/arch/arm/include/asm/arch-sunxi/dram.h @@ -24,10 +24,8 @@ #include <asm/arch/dram_sun8i_a33.h> #elif defined(CONFIG_MACH_SUN8I_A83T) #include <asm/arch/dram_sun8i_a83t.h> -#elif defined(CONFIG_MACH_SUNXI_H3_H5) || \ - defined(CONFIG_MACH_SUN8I_R40) || \ - defined(CONFIG_MACH_SUN50I) -#include <asm/arch/dram_sun8i_h3.h> +#elif defined(CONFIG_SUNXI_DRAM_DW) +#include <asm/arch/dram_sunxi_dw.h> #elif defined(CONFIG_MACH_SUN9I) #include <asm/arch/dram_sun9i.h> #else diff --git a/arch/arm/include/asm/arch-sunxi/dram_sun8i_h3.h b/arch/arm/include/asm/arch-sunxi/dram_sunxi_dw.h similarity index 100% rename from arch/arm/include/asm/arch-sunxi/dram_sun8i_h3.h rename to arch/arm/include/asm/arch-sunxi/dram_sunxi_dw.h diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig index 7ced838d6a..11da1ab738 100644 --- a/arch/arm/mach-sunxi/Kconfig +++ b/arch/arm/mach-sunxi/Kconfig @@ -29,11 +29,19 @@ config SUNXI_GEN_SUN6I separate ahb reset control registers, custom pmic bus, new style watchdog, etc.
+config SUNXI_DRAM_DW + bool + ---help--- + Select this for sunxi SoCs which uses a DRAM controller like the + DesignWare controller used in H3, mainly SoCs after H3, which do + not have official open-source DRAM initialization code, but can + use modified H3 DRAM initialization code.
config MACH_SUNXI_H3_H5 bool select DM_I2C select SUNXI_DE2 + select SUNXI_DRAM_DW select SUNXI_GEN_SUN6I select SUPPORT_SPL
@@ -118,6 +126,7 @@ config MACH_SUN8I_R40 select ARCH_SUPPORT_PSCI select SUNXI_GEN_SUN6I select SUPPORT_SPL + select SUNXI_DRAM_DW
config MACH_SUN8I_V3S bool "sun8i (Allwinner V3s)" @@ -143,6 +152,7 @@ config MACH_SUN50I select SUNXI_GEN_SUN6I select SUNXI_HIGH_SRAM select SUPPORT_SPL + select SUNXI_DRAM_DW select FIT select SPL_LOAD_FIT
diff --git a/arch/arm/mach-sunxi/Makefile b/arch/arm/mach-sunxi/Makefile index 5510aa5435..41cee26765 100644 --- a/arch/arm/mach-sunxi/Makefile +++ b/arch/arm/mach-sunxi/Makefile @@ -48,8 +48,6 @@ obj-$(CONFIG_MACH_SUN7I) += dram_sun4i.o obj-$(CONFIG_MACH_SUN8I_A23) += dram_sun8i_a23.o obj-$(CONFIG_MACH_SUN8I_A33) += dram_sun8i_a33.o obj-$(CONFIG_MACH_SUN8I_A83T) += dram_sun8i_a83t.o -obj-$(CONFIG_MACH_SUNXI_H3_H5) += dram_sun8i_h3.o -obj-$(CONFIG_MACH_SUN8I_R40) += dram_sun8i_h3.o +obj-$(CONFIG_SUNXI_DRAM_DW) += dram_sunxi_dw.o obj-$(CONFIG_MACH_SUN9I) += dram_sun9i.o -obj-$(CONFIG_MACH_SUN50I) += dram_sun8i_h3.o endif diff --git a/arch/arm/mach-sunxi/dram_sun8i_h3.c b/arch/arm/mach-sunxi/dram_sunxi_dw.c similarity index 100% rename from arch/arm/mach-sunxi/dram_sun8i_h3.c rename to arch/arm/mach-sunxi/dram_sunxi_dw.c