HeXin Tech Co. has applied for a new PVN from the OpenPower Community for its new processor C2000. The OpenPower has assigned a new PVN and this newly assigned PVN is 0x0066, add pvr register related support for this PVN.
Signed-off-by: Zhao Ke <ke.z...@shingroup.cn> Link: https://discuss.openpower.foundation/t/how-to-get-a-new-pvr-for-processors-follow-power-isa/477/10 --- v0 -> v1: - Fix .cpu_name with the correct description --- --- arch/powerpc/include/asm/reg.h | 1 + arch/powerpc/kernel/cpu_specs_book3s_64.h | 15 +++++++++++++++ arch/powerpc/kvm/book3s_pr.c | 1 + arch/powerpc/mm/book3s64/pkeys.c | 3 ++- arch/powerpc/platforms/powernv/subcore.c | 3 ++- drivers/misc/cxl/cxl.h | 3 ++- 6 files changed, 23 insertions(+), 3 deletions(-) diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index 4ae4ab9090a2..7fd09f25452d 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -1361,6 +1361,7 @@ #define PVR_POWER8E 0x004B #define PVR_POWER8NVL 0x004C #define PVR_POWER8 0x004D +#define PVR_HX_C2000 0x0066 #define PVR_POWER9 0x004E #define PVR_POWER10 0x0080 #define PVR_BE 0x0070 diff --git a/arch/powerpc/kernel/cpu_specs_book3s_64.h b/arch/powerpc/kernel/cpu_specs_book3s_64.h index c370c1b804a9..367c9f6d9be5 100644 --- a/arch/powerpc/kernel/cpu_specs_book3s_64.h +++ b/arch/powerpc/kernel/cpu_specs_book3s_64.h @@ -238,6 +238,21 @@ static struct cpu_spec cpu_specs[] __initdata = { .machine_check_early = __machine_check_early_realmode_p8, .platform = "power8", }, + { /* 2.07-compliant processor, HeXin C2000 processor */ + .pvr_mask = 0xffffffff, + .pvr_value = 0x00660000, + .cpu_name = "POWER8 (raw)", + .cpu_features = CPU_FTRS_POWER8, + .cpu_user_features = COMMON_USER_POWER8, + .cpu_user_features2 = COMMON_USER2_POWER8, + .mmu_features = MMU_FTRS_POWER8, + .icache_bsize = 128, + .dcache_bsize = 128, + .cpu_setup = __setup_cpu_power8, + .cpu_restore = __restore_cpu_power8, + .machine_check_early = __machine_check_early_realmode_p8, + .platform = "power8", + }, { /* 3.00-compliant processor, i.e. Power9 "architected" mode */ .pvr_mask = 0xffffffff, .pvr_value = 0x0f000005, diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c index 9118242063fb..5b92619a05fd 100644 --- a/arch/powerpc/kvm/book3s_pr.c +++ b/arch/powerpc/kvm/book3s_pr.c @@ -604,6 +604,7 @@ static void kvmppc_set_pvr_pr(struct kvm_vcpu *vcpu, u32 pvr) case PVR_POWER8: case PVR_POWER8E: case PVR_POWER8NVL: + case PVR_HX_C2000: case PVR_POWER9: vcpu->arch.hflags |= BOOK3S_HFLAG_MULTI_PGSIZE | BOOK3S_HFLAG_NEW_TLBIE; diff --git a/arch/powerpc/mm/book3s64/pkeys.c b/arch/powerpc/mm/book3s64/pkeys.c index 125733962033..c38f378e1942 100644 --- a/arch/powerpc/mm/book3s64/pkeys.c +++ b/arch/powerpc/mm/book3s64/pkeys.c @@ -89,7 +89,8 @@ static int __init scan_pkey_feature(void) unsigned long pvr = mfspr(SPRN_PVR); if (PVR_VER(pvr) == PVR_POWER8 || PVR_VER(pvr) == PVR_POWER8E || - PVR_VER(pvr) == PVR_POWER8NVL || PVR_VER(pvr) == PVR_POWER9) + PVR_VER(pvr) == PVR_POWER8NVL || PVR_VER(pvr) == PVR_POWER9 || + PVR_VER(pvr) == PVR_HX_C2000) pkeys_total = 32; } } diff --git a/arch/powerpc/platforms/powernv/subcore.c b/arch/powerpc/platforms/powernv/subcore.c index 191424468f10..58e7331e1e7e 100644 --- a/arch/powerpc/platforms/powernv/subcore.c +++ b/arch/powerpc/platforms/powernv/subcore.c @@ -425,7 +425,8 @@ static int subcore_init(void) if (pvr_ver != PVR_POWER8 && pvr_ver != PVR_POWER8E && - pvr_ver != PVR_POWER8NVL) + pvr_ver != PVR_POWER8NVL && + pvr_ver != PVR_HX_C2000) return 0; /* diff --git a/drivers/misc/cxl/cxl.h b/drivers/misc/cxl/cxl.h index 0562071cdd4a..9ac2991b29c7 100644 --- a/drivers/misc/cxl/cxl.h +++ b/drivers/misc/cxl/cxl.h @@ -836,7 +836,8 @@ static inline bool cxl_is_power8(void) { if ((pvr_version_is(PVR_POWER8E)) || (pvr_version_is(PVR_POWER8NVL)) || - (pvr_version_is(PVR_POWER8))) + (pvr_version_is(PVR_POWER8)) || + (pvr_version_is(PVR_HX_C2000))) return true; return false; } -- 2.34.1
