Support booting Linux (as payload of BBL) from FIT images. For this, the default CONFIG_SYS_BOOTM_LEN is increased to 16 MB, and the environment variables fdt_high and initrd_high are set to mark the device tree and initrd as in-place.
Signed-off-by: Lukas Auer lukas.auer@aisec.fraunhofer.de Reviewed-by: Bin Meng bmeng.cn@gmail.com ---
Changes in v4: None Changes in v3: None Changes in v2: None
configs/qemu-riscv32_defconfig | 1 + configs/qemu-riscv64_defconfig | 1 + include/configs/qemu-riscv.h | 6 ++++++ 3 files changed, 8 insertions(+)
diff --git a/configs/qemu-riscv32_defconfig b/configs/qemu-riscv32_defconfig index 72c54a3dd5..b55644378a 100644 --- a/configs/qemu-riscv32_defconfig +++ b/configs/qemu-riscv32_defconfig @@ -1,6 +1,7 @@ CONFIG_RISCV=y CONFIG_TARGET_QEMU_VIRT=y CONFIG_NR_DRAM_BANKS=1 +CONFIG_FIT=y CONFIG_DISPLAY_CPUINFO=y CONFIG_DISPLAY_BOARDINFO=y CONFIG_OF_PRIOR_STAGE=y diff --git a/configs/qemu-riscv64_defconfig b/configs/qemu-riscv64_defconfig index 44766c38f6..a542ac4893 100644 --- a/configs/qemu-riscv64_defconfig +++ b/configs/qemu-riscv64_defconfig @@ -2,6 +2,7 @@ CONFIG_RISCV=y CONFIG_TARGET_QEMU_VIRT=y CONFIG_ARCH_RV64I=y CONFIG_NR_DRAM_BANKS=1 +CONFIG_FIT=y CONFIG_DISPLAY_CPUINFO=y CONFIG_DISPLAY_BOARDINFO=y CONFIG_OF_PRIOR_STAGE=y diff --git a/include/configs/qemu-riscv.h b/include/configs/qemu-riscv.h index d279c233b2..ba6a18f2e6 100644 --- a/include/configs/qemu-riscv.h +++ b/include/configs/qemu-riscv.h @@ -15,7 +15,13 @@
#define CONFIG_SYS_MALLOC_LEN SZ_8M
+#define CONFIG_SYS_BOOTM_LEN SZ_16M + /* Environment options */ #define CONFIG_ENV_SIZE SZ_4K
+#define CONFIG_EXTRA_ENV_SETTINGS \ + "fdt_high=0xffffffffffffffff\0" \ + "initrd_high=0xffffffffffffffff\0" + #endif /* __CONFIG_H */