5 files changed, 50 insertions, 15 deletions
diff --git a/arch/arm/dts/armada-385-thecus-n2350.dts b/arch/arm/dts/armada-385-thecus-n2350.dts
index 253cf011308..fdaa444e510 100644
--- a/arch/arm/dts/armada-385-thecus-n2350.dts
+++ b/arch/arm/dts/armada-385-thecus-n2350.dts
@@ -2,7 +2,7 @@
 /*
  * Device Tree file for Thecus N2350 board
  *
- * Copyright (C) 2018-2023 Tony Dinh <mibodhi@gmail.com>
+ * Copyright (C) 2018-2024 Tony Dinh <mibodhi@gmail.com>
  * Copyright (C) 2018 Manuel Jung <manuel.jung@hotmail.com>
  */
 
@@ -143,9 +143,9 @@
 	fan {
 		compatible = "gpio-fan";
 		gpios = <&gpio1 16 GPIO_ACTIVE_HIGH>;
-		gpio-fan,speed-map = <	  0  0
-					600  1
-					3000 2 >;
+		gpio-fan,speed-map = <	  0  0>,
+					<600  1>,
+					<3000 2 >;
 		pinctrl-0 = <&pmx_fan>;
 		pinctrl-names = "default";
 	};
@@ -415,7 +415,7 @@
 		compatible = "jedec,spi-nor";
 		reg = <0>;
 
-		spi-max-frequency = <108000000>;
+		spi-max-frequency = <50000000>;
 		spi-cpha;
 
 		partition@0 {
diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
index f15d3cc5edb..4a8328760eb 100644
--- a/arch/arm/mach-mvebu/Kconfig
+++ b/arch/arm/mach-mvebu/Kconfig
@@ -37,6 +37,10 @@ config ARMADA_38X_HS_IMPEDANCE_THRESH
 	default 0x6
 	range 0x0 0x7
 
+config ARMADA_38X_SUPPORT_OLD_DDR3_TRAINING
+	bool
+	depends on ARMADA_38X
+
 config ARMADA_XP
 	bool
 	select ARMADA_32BIT
@@ -145,6 +149,7 @@ config TARGET_TURRIS_OMNIA
 	select SPL_SYS_MALLOC_SIMPLE
 	select SYS_I2C_MVTWSI
 	select ATSHA204A
+	select ARMADA_38X_SUPPORT_OLD_DDR3_TRAINING
 
 config TARGET_TURRIS_MOX
 	bool "Support CZ.NIC's Turris Mox / RIPE Atlas Probe"
@@ -250,6 +255,16 @@ config DDR_LOG_LEVEL
 	  At level 3, rovides the windows margin of each DQ as a results of
 	  DQS centeralization.
 
+config DDR_IMMUTABLE_DEBUG_SETTINGS
+	bool "Immutable DDR debug level (always DEBUG_LEVEL_ERROR)"
+	depends on ARMADA_38X
+	help
+	  Makes the DDR training code debug level settings immutable.
+	  The debug level setting from board topology definition is ignored.
+	  The debug level is always set to DEBUG_LEVEL_ERROR and register
+	  dumps are disabled.
+	  This can save around 10 KiB of space in SPL binary.
+
 config DDR_RESET_ON_TRAINING_FAILURE
 	bool "Reset the board on DDR training failure instead of hanging"
 	depends on ARMADA_38X || ARMADA_XP
diff --git a/arch/arm/mach-mvebu/cpu.c b/arch/arm/mach-mvebu/cpu.c
index e603ab9ffb7..8a145a5f742 100644
--- a/arch/arm/mach-mvebu/cpu.c
+++ b/arch/arm/mach-mvebu/cpu.c
@@ -36,7 +36,7 @@ static const struct mbus_win windows[] = {
 };
 
 /* SPI0 CS0 Flash of size MBUS_SPI_SIZE is mapped to address MBUS_SPI_BASE */
-#if CONFIG_ENV_SPI_BUS == 0 && CONFIG_ENV_SPI_CS == 0 && \
+#if defined(CONFIG_ENV_IS_IN_SPI_FLASH) && CONFIG_ENV_SPI_BUS == 0 && CONFIG_ENV_SPI_CS == 0 && \
     CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE <= MBUS_SPI_SIZE
 void *env_sf_get_env_addr(void)
 {
diff --git a/arch/arm/mach-mvebu/include/mach/cpu.h b/arch/arm/mach-mvebu/include/mach/cpu.h
index 904e7157ba6..af6ce2920e6 100644
--- a/arch/arm/mach-mvebu/include/mach/cpu.h
+++ b/arch/arm/mach-mvebu/include/mach/cpu.h
@@ -174,6 +174,7 @@ int serdes_phy_config(void);
  * drivers/ddr/marvell
  */
 int ddr3_init(void);
+int old_ddr3_init(void);
 
 /* Auto Voltage Scaling */
 #if defined(CONFIG_ARMADA_38X)
diff --git a/arch/arm/mach-mvebu/spl.c b/arch/arm/mach-mvebu/spl.c
index 4f4f7e00e3c..cbef4113767 100644
--- a/arch/arm/mach-mvebu/spl.c
+++ b/arch/arm/mach-mvebu/spl.c
@@ -313,6 +313,33 @@ int board_return_to_bootrom(struct spl_image_info *spl_image,
 	hang();
 }
 
+#if !defined(CONFIG_ARMADA_375)
+__weak bool board_use_old_ddr3_training(void)
+{
+	return false;
+}
+
+static void ddr3_init_or_fail(void)
+{
+	int ret;
+
+	if (IS_ENABLED(CONFIG_ARMADA_38X_SUPPORT_OLD_DDR3_TRAINING) &&
+	    board_use_old_ddr3_training())
+		ret = old_ddr3_init();
+	else
+		ret = ddr3_init();
+
+	if (ret) {
+		printf("ddr3 init failed: %d\n", ret);
+		if (IS_ENABLED(CONFIG_DDR_RESET_ON_TRAINING_FAILURE) &&
+		    get_boot_device() != BOOT_DEVICE_UART)
+			reset_cpu();
+		else
+			hang();
+	}
+}
+#endif
+
 void board_init_f(ulong dummy)
 {
 	int ret;
@@ -347,15 +374,7 @@ void board_init_f(ulong dummy)
 	serdes_phy_config();
 
 	/* Setup DDR */
-	ret = ddr3_init();
-	if (ret) {
-		printf("ddr3_init() failed: %d\n", ret);
-		if (IS_ENABLED(CONFIG_DDR_RESET_ON_TRAINING_FAILURE) &&
-		    get_boot_device() != BOOT_DEVICE_UART)
-			reset_cpu();
-		else
-			hang();
-	}
+	ddr3_init_or_fail();
 #endif
 
 	/* Initialize Auto Voltage Scaling */