NORCO EMB-3531: Switch to rkbin ddr blob to support both DDR3 and LPDDR4X variants

Author: retro98boy

config/boards/norco-emb-3531.csc

@@ -1,4 +1,4 @@
-# Rockchip RK3399 2GB DDR3 16GB eMMC GBE USB3 RTL8188ETV WiFi PCIe x4 slot
+# Rockchip RK3399 DDR3/LPDDR4X eMMC GBE USB3 USB-WiFi PCIe x4 slot
 BOARD_NAME="NORCO EMB-3531"
 BOARD_VENDOR="norco"
 BOARDFAMILY="rockchip64"
@@ -14,12 +14,18 @@ BOOT_LOGO="desktop"
 BOOT_FDT_FILE="rockchip/rk3399-emb-3531.dtb"
 BOOTBRANCH_BOARD="tag:v2026.01"
 BOOTPATCHDIR="v2026.01"
-BOOT_SCENARIO="binman"
 SRC_EXTLINUX="yes"
 SRC_CMDLINE="console=ttyS2,1500000 console=tty0 rk3399_pcie_ignore_serror"
 
 PACKAGE_LIST_BOARD="alsa-ucm-conf" # Contain ALSA UCM top-level configuration file
 
+function post_family_config__norco-emb-3531() {
+	declare -g BOOT_SCENARIO="spl-blobs"
+	declare -g DDR_BLOB="rk33/rk3399_ddr_800MHz_v1.27.bin"
+	declare -g BL31_BLOB="rk33/rk3399_bl31_v1.36.elf"
+	declare -g UBOOT_TARGET_MAP="BL31=${RKBIN_DIR}/${BL31_BLOB} ROCKCHIP_TPL=${RKBIN_DIR}/${DDR_BLOB};;u-boot-rockchip.bin"
+}
+
 function post_family_tweaks_bsp__norco-emb-3531() {
 	display_alert "${BOARD}" "Installing ALSA UCM configuration files" "info"
 

patch/u-boot/v2026.01/board_norco-emb-3531/add-board-norco-emb-3531.patch

@@ -1,26 +1,25 @@
 diff --git a/arch/arm/dts/rk3399-emb-3531-u-boot.dtsi b/arch/arm/dts/rk3399-emb-3531-u-boot.dtsi
 new file mode 100644
-index 00000000..1f5fda1d
+index 00000000..50b0ca0d
 --- /dev/null
 +++ b/arch/arm/dts/rk3399-emb-3531-u-boot.dtsi
-@@ -0,0 +1,11 @@
+@@ -0,0 +1,10 @@
 +// SPDX-License-Identifier: GPL-2.0+
 +/*
 + * Copyright (C) 2019 Jagan Teki <jagan@amarulasolutions.com>
 + */
 +
 +#include "rk3399-u-boot.dtsi"
-+#include "rk3399-sdram-ddr3-1600.dtsi"
 +
 +&vdd_log {
 +	regulator-init-microvolt = <950000>;
 +};
 diff --git a/configs/emb-3531-rk3399_defconfig b/configs/emb-3531-rk3399_defconfig
 new file mode 100644
-index 00000000..ab892564
+index 00000000..6c6fe382
 --- /dev/null
 +++ b/configs/emb-3531-rk3399_defconfig
-@@ -0,0 +1,69 @@
+@@ -0,0 +1,70 @@
 +# Reference from firefly-rk3399_defconfig
 +CONFIG_ARM=y
 +CONFIG_SKIP_LOWLEVEL_INIT=y
@@ -32,6 +31,7 @@ index 00000000..ab892564
 +CONFIG_DEFAULT_DEVICE_TREE="rockchip/rk3399-emb-3531"
 +CONFIG_DM_RESET=y
 +CONFIG_ROCKCHIP_RK3399=y
++CONFIG_ROCKCHIP_EXTERNAL_TPL=y
 +CONFIG_TARGET_EVB_RK3399=y
 +CONFIG_SYS_LOAD_ADDR=0x800800
 +CONFIG_DEBUG_UART_BASE=0xFF1A0000