diff options
Diffstat (limited to 'arch/x86/include/asm/cpu.h')
| -rw-r--r-- | arch/x86/include/asm/cpu.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h index 540024a859..c651f2f594 100644 --- a/arch/x86/include/asm/cpu.h +++ b/arch/x86/include/asm/cpu.h @@ -159,6 +159,8 @@ static inline unsigned int cpuid_edx(unsigned int op) return edx; } +#if !CONFIG_IS_ENABLED(X86_64) + /* Standard macro to see if a specific flag is changeable */ static inline int flag_is_changeable_p(uint32_t flag) { @@ -179,6 +181,7 @@ static inline int flag_is_changeable_p(uint32_t flag) : "ir" (flag)); return ((f1^f2) & flag) != 0; } +#endif static inline void mfence(void) { @@ -261,6 +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 |