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[V3,2/9] sunxi: H616: DRAM: Add alternative pin mapping

Message ID 20240830155514.481410-3-macroalpha82@gmail.com
State New
Delegated to: Andre Przywara
Headers show
Series Add Anbernic RG35XX-2024 | expand

Commit Message

Chris Morgan Aug. 30, 2024, 3:55 p.m. UTC 
From: Chris Morgan <macromorgan@hotmail.com>

It seems that different dies need different PHY pin mapping. Select
alternatives at compile time.

Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
[adapted to switch from runtime to compile time config]
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
---
 arch/arm/mach-sunxi/Kconfig            | 17 +++++++++++++++++
 arch/arm/mach-sunxi/dram_sun50i_h616.c | 22 +++++++++++++++++++++-
 2 files changed, 38 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
index 17666814c5..078f8c19fa 100644
--- a/arch/arm/mach-sunxi/Kconfig
+++ b/arch/arm/mach-sunxi/Kconfig
@@ -108,6 +108,23 @@  config DRAM_SUN50I_H616_TPR12
 	default 0x0
 	help
 	  TPR12 value from vendor DRAM settings.
+
+choice
+	prompt "H616 PHY pin mapping selection"
+	default DRAM_SUN50I_H616_PHY_ADDR_MAP_0
+
+config DRAM_SUN50I_H616_PHY_ADDR_MAP_0
+	bool "H313/H616/H618"
+	help
+	  The pin mapping selection used by the H313, H616, H618, and
+	  possibly other dies which use the H616 DRAM controller.
+
+config DRAM_SUN50I_H616_PHY_ADDR_MAP_1
+	bool "H700"
+	help
+	  The pin mapping selection used by the H700 and possibly other
+	  dies which use the H616 DRAM controller.
+endchoice
 endif
 
 config SUN6I_PRCM
diff --git a/arch/arm/mach-sunxi/dram_sun50i_h616.c b/arch/arm/mach-sunxi/dram_sun50i_h616.c
index 5be2887a06..52f7799173 100644
--- a/arch/arm/mach-sunxi/dram_sun50i_h616.c
+++ b/arch/arm/mach-sunxi/dram_sun50i_h616.c
@@ -225,6 +225,26 @@  static void mctl_set_addrmap(const struct dram_config *config)
 	mctl_ctl->addrmap[8] = 0x3F3F;
 }
 
+#ifdef CONFIG_DRAM_SUN50I_H616_PHY_ADDR_MAP_1
+static const u8 phy_init[] = {
+#ifdef CONFIG_SUNXI_DRAM_H616_DDR3_1333
+	0x08, 0x02, 0x12, 0x05, 0x15, 0x17, 0x18, 0x0b,
+	0x14, 0x07, 0x04, 0x13, 0x0c, 0x00, 0x16, 0x1a,
+	0x0a, 0x11, 0x03, 0x10, 0x0e, 0x01, 0x0d, 0x19,
+	0x06, 0x09, 0x0f
+#elif defined(CONFIG_SUNXI_DRAM_H616_LPDDR3)
+	0x18, 0x00, 0x04, 0x09, 0x06, 0x05, 0x02, 0x19,
+	0x17, 0x03, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+	0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x07,
+	0x08, 0x01, 0x1a
+#elif defined(CONFIG_SUNXI_DRAM_H616_LPDDR4)
+	0x03, 0x00, 0x17, 0x05, 0x02, 0x19, 0x06, 0x07,
+	0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+	0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x01,
+	0x18, 0x04, 0x1a
+#endif
+};
+#else /* CONFIG_DRAM_SUN50I_H616_PHY_ADDR_MAP_0 */
 static const u8 phy_init[] = {
 #ifdef CONFIG_SUNXI_DRAM_H616_DDR3_1333
 	0x07, 0x0b, 0x02, 0x16, 0x0d, 0x0e, 0x14, 0x19,
@@ -243,7 +263,7 @@  static const u8 phy_init[] = {
 	0x18, 0x03, 0x1a
 #endif
 };
-
+#endif /* CONFIG_DRAM_SUN50I_H616_PHY_ADDR_MAP_0 */
 #define MASK_BYTE(reg, nr) (((reg) >> ((nr) * 8)) & 0x1f)
 static void mctl_phy_configure_odt(const struct dram_para *para)
 {