pico-imx7d: Add boot option for verified boot
authorJun Nie <jun.nie@linaro.org>
Wed, 8 May 2019 06:38:33 +0000 (14:38 +0800)
committerStefano Babic <sbabic@denx.de>
Tue, 11 Jun 2019 08:42:48 +0000 (10:42 +0200)
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

index 365a5984e4d54268ca6cc9942eef6f14fca737b5..9a3b3b1e80b6d0ed424b2913bf05054a0e0c81a6 100644 (file)
                "/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_SYS_MMC_IMG_LOAD_PART   1
 
@@ -69,7 +87,6 @@
        "initrd_high=0xffffffff\0" \
        "fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \
        "videomode=video=ctfb:x:800,y:480,depth:24,mode:0,pclk:30000,le:46,ri:210,up:22,lo:23,hs:20,vs:10,sync:0,vmode:0\0" \
-       BOOTMENU_ENV \
        "fdt_addr=0x83000000\0" \
        "fdt_addr_r=0x83000000\0" \
        "kernel_addr_r=" __stringify(CONFIG_LOADADDR) "\0" \
                "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) \