/* 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