On 09/29/2017 01:02 AM, Łukasz Majewski wrote:
Hi York,
Add jump_to_image_linux() for arm64. Add "noreturn" flag to armv8_switch_to_el2(). Add hooks to fsl-layerscape to enable falcon boot.
Signed-off-by: York Sun york.sun@nxp.com Reviewed-by: Simon Glass sjg@chromium.org
Changes in v3: Fix typo in subject and other cosmetic fix.
Changes in v2: Relace getenv_f() with env_get_f() after rebasing to latet master.
.../arm/cpu/armv8/fsl-layerscape/doc/README.falcon | 140 +++++++++++++++++++++ arch/arm/cpu/armv8/fsl-layerscape/spl.c | 29 +++++ arch/arm/include/asm/system.h | 4 +- arch/arm/lib/spl.c | 11 ++ 4 files changed, 182 insertions(+), 2 deletions(-) create mode 100644 arch/arm/cpu/armv8/fsl-layerscape/doc/README.falcon
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/doc/README.falcon b/arch/arm/cpu/armv8/fsl-layerscape/doc/README.falcon new file mode 100644 index 0000000..282b19f --- /dev/null +++ b/arch/arm/cpu/armv8/fsl-layerscape/doc/README.falcon @@ -0,0 +1,140 @@ +Falcon boot option +------------------ +Falcon boot is a short cut boot method for SD/eMMC targets. It skips loading the +RAM version U-Boot. Instead, it loads FIT image and boot directly to Linux. +CONFIG_SPL_OS_BOOT enables falcon boot. CONFIG_SPL_LOAD_FIT enables the FIT +image support (also need CONFIG_SPL_OF_LIBFDT, CONFIG_SPL_FIT and optionally +CONFIG_SPL_GZIP).
+To enable falcon boot, a hook function spl_start_uboot() returns 0 to indicate +booting U-Boot is not the first choice. The kernel FIT image needs to be put +at CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR. SPL mmc driver reads the header to +determine if this is a FIT image. If true, FIT image components are parsed and +copied or decompressed (if applicable) to their desitinations. If FIT image is
^^^^^ - destinations
Thanks for catching them. I will fix them with another spin, or when applying it. I need to setup the spelling check.
York