Add initial support for TI SK-AM62B board

config/boards/sk-am62b.conf

@@ -0,0 +1,17 @@
+# TI AM62 quad core 2GB 2xGBE OSPI HDMI
+
+BOARD_NAME="SK-AM62B"
+BOARDFAMILY="k3"
+BOARD_MAINTAINER="glneo"
+BOOTCONFIG="am62x_evm_a53_defconfig"
+BOOTFS_TYPE="fat"
+BOOT_FDT_FILE="ti/k3-am625-sk.dts"
+BOOT_DM_FIRMWARE="${SRC}/cache/sources/ti-linux-firmware/ti-dm/am62xx/ipc_echo_testb_mcu1_0_release_strip.xer5f"
+BOOTBRANCH_BOARD="tag:v2023.04"
+BOOTSCRIPT="boot-sk-am62b.cmd:uEnv.txt"
+TIBOOT3_BOOTCONFIG="am62x_evm_r5_defconfig"
+TIBOOT3_FILE="tiboot3-am62x-hs-fs-evm.bin"
+DEFAULT_CONSOLE="serial"
+HAS_VIDEO_OUTPUT="no"
+KERNEL_TARGET="edge"
+SERIALCON="ttyS2"

config/bootscripts/boot-sk-am62b.cmd

@@ -0,0 +1,8 @@
+bootpart=1:1
+bootdir=
+finduuid=part uuid \${boot} 1:2 uuid
+name_rd=uInitrd
+get_rd_mmc=load mmc ${bootpart} ${rdaddr} ${bootdir}/${name_rd}
+name_fdt=dtb/ti/k3-am625-sk.dtb
+
+uenvcmd=run init_${boot}; run get_kern_${boot}; run get_rd_${boot}; env set rd_spec ${rdaddr}:${filesize}; run get_fdt_${boot}; run run_kern

config/sources/families/k3.conf

@@ -33,7 +33,7 @@ ATF_PLAT="k3"
 ATF_BOARD="lite"
 ATF_TARGET_MAP="PLAT=$ATF_PLAT TARGET_BOARD=$ATF_BOARD DEBUG=1 bl31;;build/$ATF_PLAT/$ATF_BOARD/debug/bl31.bin:bl31.bin"
 
-UBOOT_TARGET_MAP="ATF=bl31.bin all;;tiboot3.bin tispl.bin u-boot.img"
+UBOOT_TARGET_MAP="ATF=bl31.bin DM=${BOOT_DM_FIRMWARE} all;;tiboot3.bin tispl.bin u-boot.img"
 
 # To match what our current SDK produces
 BOOT_FS_LABEL="boot"