arm64: ls2088ardb: Add distro secure boot support

Enable validation of boot.scr script prior to its execution dependent
on "secureboot" flag in environment. Also enable "secureboot=y"
flag in environment for ARM based platforms instead of bootcmd.

Signed-off-by: Vinitha Pillai <vinitha.pillai@nxp.com>
Signed-off-by: Sumit Garg <sumit.garg@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>

diff --git a/include/configs/ls2080ardb.h b/include/configs/ls2080ardb.h
index d8e29fc..620ccbe 100644 (file)
--- a/include/configs/ls2080ardb.h
+++ b/include/configs/ls2080ardb.h
@@ -358,33 +358,22 @@ unsigned long get_board_sys_clk(void);
        func(DHCP, dhcp, na)
 #include <config_distro_bootcmd.h>
 
+#ifdef CONFIG_QSPI_BOOT
+#define MC_INIT_CMD                            \
+       "mcinitcmd=env exists secureboot && "   \
+       "esbc_validate 0x20700000 && "          \
+       "esbc_validate 0x20740000;"             \
+       "fsl_mc start mc 0x20a00000 0x20e00000 \0"
+#else
+#define MC_INIT_CMD                            \
+       "mcinitcmd=env exists secureboot && "   \
+       "esbc_validate 0x580700000 && "         \
+       "esbc_validate 0x580740000; "           \
+       "fsl_mc start mc 0x580a00000 0x580e00000 \0"
+#endif
+
 /* Initial environment variables */
 #undef CONFIG_EXTRA_ENV_SETTINGS
-#ifdef CONFIG_SECURE_BOOT
-#define CONFIG_EXTRA_ENV_SETTINGS              \
-       "hwconfig=fsl_ddr:bank_intlv=auto\0"    \
-       "scriptaddr=0x80800000\0"               \
-       "kernel_addr_r=0x81000000\0"            \
-       "pxefile_addr_r=0x81000000\0"           \
-       "fdt_addr_r=0x88000000\0"               \
-       "ramdisk_addr_r=0x89000000\0"           \
-       "loadaddr=0x80100000\0"                 \
-       "kernel_addr=0x100000\0"                \
-       "ramdisk_addr=0x800000\0"               \
-       "ramdisk_size=0x2000000\0"              \
-       "fdt_high=0xa0000000\0"                 \
-       "initrd_high=0xffffffffffffffff\0"      \
-       "kernel_start=0x581000000\0"            \
-       "kernel_load=0xa0000000\0"              \
-       "kernel_size=0x2800000\0"               \
-       "mcmemsize=0x40000000\0"                \
-       "fdtfile=fsl-ls2080a-rdb.dtb\0"         \
-       "mcinitcmd=esbc_validate 0x580700000;"  \
-       "esbc_validate 0x580740000;"            \
-       "fsl_mc start mc 0x580a00000"           \
-       " 0x580e00000 \0"                       \
-       BOOTENV
-#else
 #define CONFIG_EXTRA_ENV_SETTINGS              \
        "hwconfig=fsl_ddr:bank_intlv=auto\0"    \
        "ramdisk_addr=0x800000\0"               \
@@ -393,16 +382,23 @@ unsigned long get_board_sys_clk(void);
        "initrd_high=0xffffffffffffffff\0"      \
        "fdt_addr=0x64f00000\0"                 \
        "kernel_addr=0x65000000\0"              \
+       "kernel_start=0x1000000\0"              \
+       "kernelheader_start=0x800000\0"         \
        "scriptaddr=0x80000000\0"               \
+       "scripthdraddr=0x80080000\0"            \
        "fdtheader_addr_r=0x80100000\0"         \
        "kernelheader_addr_r=0x80200000\0"      \
+       "kernelheader_addr=0x580800000\0"       \
        "kernel_addr_r=0x81000000\0"            \
+       "kernelheader_size=0x40000\0"           \
        "fdt_addr_r=0x90000000\0"               \
        "load_addr=0xa0000000\0"                \
        "kernel_size=0x2800000\0"               \
        "console=ttyAMA0,38400n8\0"             \
+       MC_INIT_CMD                             \
        BOOTENV                                 \
        "boot_scripts=ls2088ardb_boot.scr\0"    \
+       "boot_script_hdr=hdr_ls2088ardb_bs.out\0"       \
        "scan_dev_for_boot_part="               \
                "part list ${devtype} ${devnum} devplist; "     \
                "env exists devplist || setenv devplist 1; "    \
@@ -413,31 +409,54 @@ unsigned long get_board_sys_clk(void);
                                "run scan_dev_for_boot; "       \
                        "fi; "                                  \
                "done\0"                                        \
+       "scan_dev_for_boot="                                    \
+               "echo Scanning ${devtype} "                     \
+                       "${devnum}:${distro_bootpart}...; "     \
+               "for prefix in ${boot_prefixes}; do "           \
+                       "run scan_dev_for_scripts; "            \
+               "done;\0"                                       \
+       "boot_a_script="                                        \
+               "load ${devtype} ${devnum}:${distro_bootpart} " \
+                       "${scriptaddr} ${prefix}${script}; "    \
+               "env exists secureboot && load ${devtype} "     \
+                       "${devnum}:${distro_bootpart} "         \
+                       "${scripthdraddr} ${prefix}${boot_script_hdr} " \
+                       "&& esbc_validate ${scripthdraddr};"    \
+               "source ${scriptaddr}\0"                        \
        "installer=load mmc 0:2 $load_addr "                    \
                "/flex_installer_arm64.itb; "                   \
                "bootm $load_addr#ls2088ardb\0"                 \
        "qspi_bootcmd=echo Trying load from qspi..;"            \
                "sf probe && sf read $load_addr "               \
-               "$kernel_addr $kernel_size &&"                  \
+               "$kernel_start $kernel_size ; env exists secureboot &&" \
+               "sf read $kernelheader_addr_r $kernelheader_start "     \
+               "$kernelheader_size && esbc_validate ${kernelheader_addr_r}; "\
                " bootm $load_addr#$board\0"                    \
        "nor_bootcmd=echo Trying load from nor..;"              \
                "cp.b $kernel_addr $load_addr "                 \
-               "$kernel_size && bootm $load_addr#$board\0"
-#endif
+               "$kernel_size ; env exists secureboot && "      \
+               "cp.b $kernelheader_addr $kernelheader_addr_r " \
+               "$kernelheader_size && esbc_validate ${kernelheader_addr_r}; "\
+               "bootm $load_addr#$board\0"
 
 #undef CONFIG_BOOTCOMMAND
 #ifdef CONFIG_QSPI_BOOT
 /* Try to boot an on-QSPI kernel first, then do normal distro boot */
 #define CONFIG_BOOTCOMMAND                                             \
-                       "fsl_mc start mc 0x20a00000 0x20e00000 &&"      \
-                       " fsl_mc lazyapply dpl 0x20d00000;"             \
-                       "run distro_bootcmd;run qspi_bootcmd"
+                       "env exists mcinitcmd && env exists secureboot "\
+                       "&& esbc_validate 0x20780000; "                 \
+                       "env exists mcinitcmd && "                      \
+                       "fsl_mc lazyapply dpl 0x20d00000; "             \
+                       "run distro_bootcmd;run qspi_bootcmd; "         \
+                       "env exists secureboot && esbc_halt; "
 #else
 /* Try to boot an on-NOR kernel first, then do normal distro boot */
 #define CONFIG_BOOTCOMMAND                                             \
-                       "fsl_mc start mc 0x580a00000 0x580e00000 &&"    \
-                       " fsl_mc lazyapply dpl 0x580d00000;"            \
-                       "run distro_bootcmd;run nor_bootcmd"
+                       "env exists mcinitcmd && env exists secureboot "\
+                       "&& esbc_validate 0x580780000; env exists mcinitcmd "\
+                       "&& fsl_mc lazyapply dpl 0x580d00000;"          \
+                       "run distro_bootcmd;run nor_bootcmd; "          \
+                       "env exists secureboot && esbc_halt; "
 #endif
 
 #undef CONFIG_BOOTARGS