| /* SPDX-License-Identifier: GPL-2.0 */ |
| |
| #ifndef _ASM_POWERPC_BOOK3S_64_KEXEC_H_ |
| #define _ASM_POWERPC_BOOK3S_64_KEXEC_H_ |
| |
| #include <asm/plpar_wrappers.h> |
| |
| #define reset_sprs reset_sprs |
| static inline void reset_sprs(void) |
| { |
| if (cpu_has_feature(CPU_FTR_ARCH_206)) { |
| mtspr(SPRN_AMR, 0); |
| mtspr(SPRN_UAMOR, 0); |
| } |
| |
| if (cpu_has_feature(CPU_FTR_ARCH_207S)) { |
| mtspr(SPRN_IAMR, 0); |
| if (cpu_has_feature(CPU_FTR_HVMODE)) |
| mtspr(SPRN_CIABR, 0); |
| else |
| plpar_set_ciabr(0); |
| } |
| |
| /* Do we need isync()? We are going via a kexec reset */ |
| isync(); |
| } |
| |
| #endif |
