diff options
| author | Simon Glass <sjg@chromium.org> | 2017-01-16 07:04:15 -0700 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2017-02-06 11:38:46 +0800 |
| commit | fa5fcb3bc60c3c188b91f704b7d0d6b3810c9047 (patch) | |
| tree | 9dd3c13424ee132d4acd9c53543a66884a2f161f /arch/x86/include/asm/cpu.h | |
| parent | c2bf0dfaa3b313b941e52e565f6a2d20c02fe11a (diff) | |
| download | u-boot-fa5fcb3bc60c3c188b91f704b7d0d6b3810c9047.tar.gz | |
x86: Support jumping from SPL to U-Boot
Add a rough function to handle jumping from 32-bit SPL to 64-bit U-Boot.
This still needs work to clean it up.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'arch/x86/include/asm/cpu.h')
| -rw-r--r-- | arch/x86/include/asm/cpu.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h index b408515582..c651f2f594 100644 --- a/arch/x86/include/asm/cpu.h +++ b/arch/x86/include/asm/cpu.h @@ -264,6 +264,15 @@ void cpu_call32(ulong code_seg32, ulong target, ulong table); int cpu_jump_to_64bit(ulong setup_base, ulong target); /** + * cpu_jump_to_64bit_uboot() - special function to jump from SPL to U-Boot + * + * This handles calling from 32-bit SPL to 64-bit U-Boot. + * + * @target: Address of U-Boot in RAM + */ +int cpu_jump_to_64bit_uboot(ulong target); + +/** * cpu_get_family_model() - Get the family and model for the CPU * * @return the CPU ID masked with 0x0fff0ff0 |