Add boot option to boot from fitimage to support verified boot. The boot script plain text file should be packed into fit blob as image with name of bootscr.
Signed-off-by: Jun Nie jun.nie@linaro.org --- include/configs/pico-imx7d.h | 38 +++++++++++++++++++++++++++++++++++--- 1 file changed, 35 insertions(+), 3 deletions(-)
diff --git a/include/configs/pico-imx7d.h b/include/configs/pico-imx7d.h index 1884c58..8eb9064 100644 --- a/include/configs/pico-imx7d.h +++ b/include/configs/pico-imx7d.h @@ -52,11 +52,29 @@ "/boot/imx7d-pico-pi.dtb ext4 0 1;" \ "rootfs part 0 1\0" \
-#define BOOTMENU_ENV \ +/* When booting with FIT specify the node entry containing boot.scr */ +#if defined(CONFIG_FIT) +#define PICO_BOOT_ENV \ + "bootscr_fitimage_name=bootscr\0" \ + "bootscriptaddr=0x83200000\0" \ + "fdtovaddr=0x83100000\0" \ + "mmcdev=" __stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \ + "mmcpart=" __stringify(CONFIG_SYS_MMC_IMG_LOAD_PART) "\0" \ + "mmcargs=setenv bootargs console=${console},${baudrate} " \ + "rootwait rw;\0" \ + "loadbootscript=" \ + "load mmc ${mmcdev}:${mmcpart} ${bootscriptaddr} ${script};\0" \ + "bootscript=echo Running bootscript from mmc ...; " \ + "source ${bootscriptaddr}:${bootscr_fitimage_name}\0" +#else +#define PICO_BOOT_ENV \ "bootmenu_0=Boot using PICO-Hobbit baseboard=" \ "setenv fdtfile imx7d-pico-hobbit.dtb\0" \ "bootmenu_1=Boot using PICO-Pi baseboard=" \ "setenv fdtfile imx7d-pico-pi.dtb\0" \ + BOOTENV +#endif +
#define CONFIG_SUPPORT_EMMC_BOOT /* eMMC specific */ #define CONFIG_SYS_MMC_IMG_LOAD_PART 1 @@ -68,7 +86,6 @@ "fdt_high=0xffffffff\0" \ "initrd_high=0xffffffff\0" \ "fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \ - BOOTMENU_ENV \ "fdt_addr=0x83000000\0" \ "fdt_addr_r=0x83000000\0" \ "kernel_addr_r=" __stringify(CONFIG_LOADADDR) "\0" \ @@ -88,7 +105,22 @@ "name=rootfs,size=0,uuid=${uuid_gpt_rootfs}\0" \ "fastboot_partition_alias_system=rootfs\0" \ "setup_emmc=mmc dev 0; gpt write mmc 0 $partitions; reset;\0" \ - BOOTENV + PICO_BOOT_ENV + +#if defined(CONFIG_FIT) +#define CONFIG_BOOTCOMMAND \ + "mmc dev ${mmcdev};" \ + "mmc dev ${mmcdev}; if mmc rescan; then " \ + "if run loadbootscript; then " \ + "iminfo ${bootscriptaddr};" \ + "if test $? -eq 1; then hab_failsafe; fi;" \ + "run bootscript; " \ + "else " \ + "echo Fail to load fitImage with boot script;" \ + "hab_failsafe;" \ + "fi; " \ + "fi" +#endif
#define BOOT_TARGET_DEVICES(func) \ func(MMC, mmc, 0) \