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....@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) \
--
2.7.4
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