sunxi: SPL SPI: add support for the V3s SoC

The V3s is identical regarding register layout, clocks and resets to
the sun6i variants. Therefore, we can just add the MACH_SUN8I_V3S to
the sun6i compatible ones.

SPI boot was tested on a custom board with a Gigadevice GD25Q64 8MiB
SPI flash.

Signed-off-by: Michael Walle <mwalle@kernel.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>

diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
index ddf9414..1766681 100644 (file)
--- a/arch/arm/mach-sunxi/Kconfig
+++ b/arch/arm/mach-sunxi/Kconfig
@@ -1078,7 +1078,7 @@ config SPL_STACK_R_ADDR
 
 config SPL_SPI_SUNXI
        bool "Support for SPI Flash on Allwinner SoCs in SPL"
-       depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I || MACH_SUNXI_H3_H5 || MACH_SUN50I || MACH_SUN8I_R40 || SUN50I_GEN_H6 || MACH_SUNIV || SUNXI_GEN_NCAT2
+       depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I || MACH_SUNXI_H3_H5 || MACH_SUN50I || MACH_SUN8I_R40 || MACH_SUN8I_V3S || SUN50I_GEN_H6 || MACH_SUNIV || SUNXI_GEN_NCAT2
        help
          Enable support for SPI Flash. This option allows SPL to read from
          sunxi SPI Flash. It uses the same method as the boot ROM, so does

diff --git a/arch/arm/mach-sunxi/spl_spi_sunxi.c b/arch/arm/mach-sunxi/spl_spi_sunxi.c
index 7acb44f..d7abdc2 100644 (file)
--- a/arch/arm/mach-sunxi/spl_spi_sunxi.c
+++ b/arch/arm/mach-sunxi/spl_spi_sunxi.c
@@ -140,7 +140,8 @@ static bool is_sun6i_gen_spi(void)
 {
        return IS_ENABLED(CONFIG_SUNXI_GEN_SUN6I) ||
               IS_ENABLED(CONFIG_SUN50I_GEN_H6) ||
-              IS_ENABLED(CONFIG_SUNXI_GEN_NCAT2);
+              IS_ENABLED(CONFIG_SUNXI_GEN_NCAT2) ||
+              IS_ENABLED(CONFIG_MACH_SUN8I_V3S);
 }
 
 static uintptr_t spi0_base_address(void)