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imx: imx8mn_evk: Switch to BOOTSTD

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Move env to imx8mn_evk.env
Switch to support BOOTSTD with a bsp bootcmd as fallback.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Peng Fan 2025-01-09 11:29:10 +08:00 • committed by Fabio Estevam
parent 35e43f7f75
commit f8ab31eae4
3 changed files with 68 additions and 31 deletions
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67
board/freescale/imx8mn_evk/imx8mn_evk.env Normal file
View file

@ -0,0 +1,67 @@
/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
boot_fdt=try
boot_fit=no
boot_targets=mmc1 mmc2 dhcp
bootm_size=0x10000000
console=ttymxc1,115200
fdt_addr_r=0x48000000
fdtfile=CONFIG_DEFAULT_FDT_FILE
fdtoverlay_addr_r=0x49000000
initrd_addr=0x48080000
image=Image
ip_dyn=yes
kernel_addr_r=0x42000000
loadaddr=CONFIG_SYS_LOAD_ADDR
mmcautodetect=yes
mmcdev=CONFIG_SYS_MMC_ENV_DEV
mmcpart=1
mmcroot=/dev/mmcblk1p2 rootwait rw
prepare_mcore=setenv mcore_clk clk-imx8mn.mcore_booted;
pxefile_addr_r=0x40100000
ramdisk_addr_r=0x48080000
scriptaddr=0x40000000
mmcargs=setenv bootargs ${jh_clk} ${mcore_clk} console=${console} root=${mmcroot}
prepare_mcore=setenv mcore_clk clk-imx8mn.mcore_booted
loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}
loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr_r} ${fdtfile}
mmcboot=echo Booting from mmc ...;
run mmcargs;
if test ${boot_fit} = yes || test ${boot_fit} = try; then
bootm ${loadaddr};
else
if run loadfdt; then
booti ${loadaddr} - ${fdt_addr_r};
else
echo WARN: Cannot load the DT;
fi;
fi
netargs=setenv bootargs ${jh_clk} ${mcore_clk} console=${console} root=/dev/nfs
ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp
netboot=echo Booting from net ...;
run netargs;
if test ${ip_dyn} = yes; then
setenv get_cmd dhcp;
else
setenv get_cmd tftp;
fi;
${get_cmd} ${loadaddr} ${image};
if test ${boot_fit} = yes || test ${boot_fit} = try; then
bootm ${loadaddr};
else
if ${get_cmd} ${fdt_addr_r} ${fdtfile}; then
booti ${loadaddr} - ${fdt_addr_r};
else
echo WARN: Cannot load the DT;
fi;
fi;
bsp_bootcmd=echo Running BSP bootcmd ...;
mmc dev ${mmcdev};
if mmc rescan; then
if run loadimage; then
run mmcboot;
else
run netboot;
fi;
fi;

2
configs/imx8mn_evk_defconfig
View file

@ -26,8 +26,8 @@ CONFIG_SPL_IMX_ROMAPI_LOADADDR=0x48000000
CONFIG_FIT=y
CONFIG_FIT_EXTERNAL_OFFSET=0x3000
CONFIG_SPL_LOAD_FIT=y
CONFIG_DISTRO_DEFAULTS=y
CONFIG_OF_SYSTEM_SETUP=y
CONFIG_BOOTCOMMAND="bootflow scan -lb; run bsp_bootcmd"
CONFIG_DEFAULT_FDT_FILE="imx8mn-evk.dtb"
CONFIG_SYS_CBSIZE=2048
CONFIG_SYS_PBSIZE=2074

30
include/configs/imx8mn_evk.h
View file

@ -13,36 +13,6 @@
#define CFG_SYS_UBOOT_BASE \
(QSPI0_AMBA_BASE + CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR * 512)
#define BOOT_TARGET_DEVICES(func) \
func(MMC, mmc, 1) \
func(MMC, mmc, 2) \
func(DHCP, dhcp, na)
#include <config_distro_bootcmd.h>
/* Initial environment variables */
/* see include/configs/ti_armv7_common.h */
#define ENV_MEM_LAYOUT_SETTINGS \
"loadaddr=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
"kernel_addr_r=0x42000000\0" \
"fdt_addr_r=0x48000000\0" \
"fdtoverlay_addr_r=0x49000000\0" \
"ramdisk_addr_r=0x48080000\0" \
"initrd_addr=0x48080000\0" \
"scriptaddr=0x40000000\0" \
"pxefile_addr_r=0x40100000\0"
#define CFG_EXTRA_ENV_SETTINGS \
"image=Image\0" \
BOOTENV \
"console=ttymxc1,115200\0" \
"boot_fit=no\0" \
"fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \
"bootm_size=0x10000000\0" \
"mmcpart=1\0" \
"mmcroot=/dev/mmcblk1p2 rootwait rw\0" \
ENV_MEM_LAYOUT_SETTINGS
/* Link Definitions */
#define CFG_SYS_INIT_RAM_ADDR 0x40000000