[U-Boot] [RFC PATCH 6/6] sunxi: add support for V3s DRAM controller

[Icenowy Zheng]

Allwinner V3s features a DRAM controller like the on in H3, but with a
DDR2 DRAM.

Add support for it.

Signed-off-by: Icenowy Zheng <icenowy at aosc.xyz>
---
 arch/arm/mach-sunxi/dram_sunxi_dw.c | 3 +++
 board/sunxi/Kconfig                 | 8 +++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-sunxi/dram_sunxi_dw.c b/arch/arm/mach-sunxi/dram_sunxi_dw.c
index 5e304d1915..8d7f1df27f 100644
--- a/arch/arm/mach-sunxi/dram_sunxi_dw.c
+++ b/arch/arm/mach-sunxi/dram_sunxi_dw.c
@@ -555,6 +555,9 @@ unsigned long sunxi_dram_init(void)
  */
 #if defined(CONFIG_MACH_SUN8I_H3)
 	uint16_t socid = SOCID_H3;
+#elif defined(CONFIG_MACH_SUN8I_V3S)
+	/* TODO: set delays and mbus priority for V3s */
+	uint16_t socid = SOCID_H3;
 #elif defined(CONFIG_MACH_SUN50I)
 	uint16_t socid = SOCID_A64;
 #endif
diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig
index 020371c455..0bf0579d9e 100644
--- a/board/sunxi/Kconfig
+++ b/board/sunxi/Kconfig
@@ -129,6 +129,9 @@ config MACH_SUN8I_V3S
 	select CPU_V7_HAS_NONSEC
 	select CPU_V7_HAS_VIRT
 	select SUNXI_GEN_SUN6I
+	select SUPPORT_SPL
+	select SUNXI_DW_DRAM
+	select SUNXI_DRAM_DDR2_V3S
 	select ARMV7_BOOT_SEC_DEFAULT if OLD_SUNXI_KERNEL_COMPAT
 
 config MACH_SUN9I
@@ -184,11 +187,13 @@ config SUNXI_DRAM_DDR2
 
 choice
 	prompt "DRAM Type and Timing"
-	default SUNXI_DRAM_DDR3_1333
+	default SUNXI_DRAM_DDR3_1333 if !MACH_SUN8I_V3S
+	default SUNXI_DRAM_DDR2_V3s if MACH_SUN8I_V3S
 
 config SUNXI_DRAM_DDR3_1333
 	bool "DDR3 1333"
 	select SUNXI_DRAM_DDR3
+	depends on !MACH_SUN8I_V3S
 	---help---
 	This option is the original only supported memory type, which suits
 	many H3/H5/A64 boards available now.
@@ -196,6 +201,7 @@ config SUNXI_DRAM_DDR3_1333
 config SUNXI_DRAM_DDR2_V3S
 	bool "DDR2 found in V3s chip"
 	select SUNXI_DRAM_DDR2
+	depends on MACH_SUN8I_V3S
 	---help---
 	This option is only for the DDR2 memory chip which is co-packaged in
 	Allwinner V3s SoC.
-- 
2.11.0