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-rw-r--r--arch/powerpc/include/asm/cputable.h14
-rw-r--r--arch/powerpc/include/asm/reg.h16
-rw-r--r--arch/powerpc/kernel/cpu_setup_power7.S4
-rw-r--r--arch/powerpc/kernel/cpu_setup_ppc970.S26
-rw-r--r--arch/powerpc/kernel/exceptions-64s.S4
-rw-r--r--arch/powerpc/kernel/paca.c2
-rw-r--r--arch/powerpc/kvm/book3s_64_mmu_hv.c3
-rw-r--r--arch/powerpc/kvm/book3s_hv.c3
-rw-r--r--arch/powerpc/kvm/book3s_hv_builtin.c4
-rw-r--r--arch/powerpc/kvm/book3s_segment.S2
-rw-r--r--arch/powerpc/mm/hash_native_64.c4
11 files changed, 56 insertions, 26 deletions
diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h
index c0d842cfd012..e30442c539ce 100644
--- a/arch/powerpc/include/asm/cputable.h
+++ b/arch/powerpc/include/asm/cputable.h
@@ -179,8 +179,9 @@ extern const char *powerpc_base_platform;
#define LONG_ASM_CONST(x) 0
#endif
-
-#define CPU_FTR_HVMODE_206 LONG_ASM_CONST(0x0000000800000000)
+#define CPU_FTR_HVMODE LONG_ASM_CONST(0x0000000200000000)
+#define CPU_FTR_ARCH_201 LONG_ASM_CONST(0x0000000400000000)
+#define CPU_FTR_ARCH_206 LONG_ASM_CONST(0x0000000800000000)
#define CPU_FTR_CFAR LONG_ASM_CONST(0x0000001000000000)
#define CPU_FTR_IABR LONG_ASM_CONST(0x0000002000000000)
#define CPU_FTR_MMCRA LONG_ASM_CONST(0x0000004000000000)
@@ -401,9 +402,10 @@ extern const char *powerpc_base_platform;
CPU_FTR_MMCRA | CPU_FTR_CP_USE_DCBTZ | \
CPU_FTR_STCX_CHECKS_ADDRESS)
#define CPU_FTRS_PPC970 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
- CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
+ CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_201 | \
CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA | \
- CPU_FTR_CP_USE_DCBTZ | CPU_FTR_STCX_CHECKS_ADDRESS)
+ CPU_FTR_CP_USE_DCBTZ | CPU_FTR_STCX_CHECKS_ADDRESS | \
+ CPU_FTR_HVMODE)
#define CPU_FTRS_POWER5 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
CPU_FTR_MMCRA | CPU_FTR_SMT | \
@@ -417,13 +419,13 @@ extern const char *powerpc_base_platform;
CPU_FTR_DSCR | CPU_FTR_UNALIGNED_LD_STD | \
CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_CFAR)
#define CPU_FTRS_POWER7 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
- CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_HVMODE_206 |\
+ CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | CPU_FTR_ARCH_206 |\
CPU_FTR_MMCRA | CPU_FTR_SMT | \
CPU_FTR_COHERENT_ICACHE | \
CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
CPU_FTR_DSCR | CPU_FTR_SAO | CPU_FTR_ASYM_SMT | \
CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \
- CPU_FTR_ICSWX | CPU_FTR_CFAR)
+ CPU_FTR_ICSWX | CPU_FTR_CFAR | CPU_FTR_HVMODE)
#define CPU_FTRS_CELL (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index 20a053c14270..ddbe57ae8584 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -307,6 +307,7 @@
#define SPRN_HASH1 0x3D2 /* Primary Hash Address Register */
#define SPRN_HASH2 0x3D3 /* Secondary Hash Address Resgister */
#define SPRN_HID0 0x3F0 /* Hardware Implementation Register 0 */
+#define HID0_HDICE_SH (63 - 23) /* 970 HDEC interrupt enable */
#define HID0_EMCP (1<<31) /* Enable Machine Check pin */
#define HID0_EBA (1<<29) /* Enable Bus Address Parity */
#define HID0_EBD (1<<28) /* Enable Bus Data Parity */
@@ -362,6 +363,13 @@
#define SPRN_IABR2 0x3FA /* 83xx */
#define SPRN_IBCR 0x135 /* 83xx Insn Breakpoint Control Reg */
#define SPRN_HID4 0x3F4 /* 970 HID4 */
+#define HID4_LPES0 (1ul << (63-0)) /* LPAR env. sel. bit 0 */
+#define HID4_RMLS2_SH (63 - 2) /* Real mode limit bottom 2 bits */
+#define HID4_LPID5_SH (63 - 6) /* partition ID bottom 4 bits */
+#define HID4_RMOR_SH (63 - 22) /* real mode offset (16 bits) */
+#define HID4_LPES1 (1 << (63-57)) /* LPAR env. sel. bit 1 */
+#define HID4_RMLS0_SH (63 - 58) /* Real mode limit top bit */
+#define HID4_LPID1_SH 0 /* partition ID top 2 bits */
#define SPRN_HID4_GEKKO 0x3F3 /* Gekko HID4 */
#define SPRN_HID5 0x3F6 /* 970 HID5 */
#define SPRN_HID6 0x3F9 /* BE HID 6 */
@@ -811,28 +819,28 @@
mfspr rX,SPRN_SPRG_PACA; \
FTR_SECTION_ELSE_NESTED(66); \
mfspr rX,SPRN_SPRG_HPACA; \
- ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_HVMODE_206, 66)
+ ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_HVMODE, 66)
#define SET_PACA(rX) \
BEGIN_FTR_SECTION_NESTED(66); \
mtspr SPRN_SPRG_PACA,rX; \
FTR_SECTION_ELSE_NESTED(66); \
mtspr SPRN_SPRG_HPACA,rX; \
- ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_HVMODE_206, 66)
+ ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_HVMODE, 66)
#define GET_SCRATCH0(rX) \
BEGIN_FTR_SECTION_NESTED(66); \
mfspr rX,SPRN_SPRG_SCRATCH0; \
FTR_SECTION_ELSE_NESTED(66); \
mfspr rX,SPRN_SPRG_HSCRATCH0; \
- ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_HVMODE_206, 66)
+ ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_HVMODE, 66)
#define SET_SCRATCH0(rX) \
BEGIN_FTR_SECTION_NESTED(66); \
mtspr SPRN_SPRG_SCRATCH0,rX; \
FTR_SECTION_ELSE_NESTED(66); \
mtspr SPRN_SPRG_HSCRATCH0,rX; \
- ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_HVMODE_206, 66)
+ ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_HVMODE, 66)
#else /* CONFIG_PPC_BOOK3S_64 */
#define GET_SCRATCH0(rX) mfspr rX,SPRN_SPRG_SCRATCH0
diff --git a/arch/powerpc/kernel/cpu_setup_power7.S b/arch/powerpc/kernel/cpu_setup_power7.S
index 2ef6749688e9..76797c5105d6 100644
--- a/arch/powerpc/kernel/cpu_setup_power7.S
+++ b/arch/powerpc/kernel/cpu_setup_power7.S
@@ -45,12 +45,12 @@ _GLOBAL(__restore_cpu_power7)
blr
__init_hvmode_206:
- /* Disable CPU_FTR_HVMODE_206 and exit if MSR:HV is not set */
+ /* Disable CPU_FTR_HVMODE and exit if MSR:HV is not set */
mfmsr r3
rldicl. r0,r3,4,63
bnelr
ld r5,CPU_SPEC_FEATURES(r4)
- LOAD_REG_IMMEDIATE(r6,CPU_FTR_HVMODE_206)
+ LOAD_REG_IMMEDIATE(r6,CPU_FTR_HVMODE)
xor r5,r5,r6
std r5,CPU_SPEC_FEATURES(r4)
blr
diff --git a/arch/powerpc/kernel/cpu_setup_ppc970.S b/arch/powerpc/kernel/cpu_setup_ppc970.S
index 27f2507279d8..12fac8df01c5 100644
--- a/arch/powerpc/kernel/cpu_setup_ppc970.S
+++ b/arch/powerpc/kernel/cpu_setup_ppc970.S
@@ -76,7 +76,7 @@ _GLOBAL(__setup_cpu_ppc970)
/* Do nothing if not running in HV mode */
mfmsr r0
rldicl. r0,r0,4,63
- beqlr
+ beq no_hv_mode
mfspr r0,SPRN_HID0
li r11,5 /* clear DOZE and SLEEP */
@@ -90,7 +90,7 @@ _GLOBAL(__setup_cpu_ppc970MP)
/* Do nothing if not running in HV mode */
mfmsr r0
rldicl. r0,r0,4,63
- beqlr
+ beq no_hv_mode
mfspr r0,SPRN_HID0
li r11,0x15 /* clear DOZE and SLEEP */
@@ -109,6 +109,14 @@ load_hids:
sync
isync
+ /* Try to set LPES = 01 in HID4 */
+ mfspr r0,SPRN_HID4
+ clrldi r0,r0,1 /* clear LPES0 */
+ ori r0,r0,HID4_LPES1 /* set LPES1 */
+ sync
+ mtspr SPRN_HID4,r0
+ isync
+
/* Save away cpu state */
LOAD_REG_ADDR(r5,cpu_state_storage)
@@ -117,11 +125,21 @@ load_hids:
std r3,CS_HID0(r5)
mfspr r3,SPRN_HID1
std r3,CS_HID1(r5)
- mfspr r3,SPRN_HID4
- std r3,CS_HID4(r5)
+ mfspr r4,SPRN_HID4
+ std r4,CS_HID4(r5)
mfspr r3,SPRN_HID5
std r3,CS_HID5(r5)
+ /* See if we successfully set LPES1 to 1; if not we are in Apple mode */
+ andi. r4,r4,HID4_LPES1
+ bnelr
+
+no_hv_mode:
+ /* Disable CPU_FTR_HVMODE and exit, since we don't have HV mode */
+ ld r5,CPU_SPEC_FEATURES(r4)
+ LOAD_REG_IMMEDIATE(r6,CPU_FTR_HVMODE)
+ andc r5,r5,r6
+ std r5,CPU_SPEC_FEATURES(r4)
blr
/* Called with no MMU context (typically MSR:IR/DR off) to
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 5bc06fdfa6c0..a5345380bef3 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -75,7 +75,7 @@ BEGIN_FTR_SECTION
b .power7_wakeup_noloss
2: b .power7_wakeup_loss
9:
-END_FTR_SECTION_IFSET(CPU_FTR_HVMODE_206)
+END_FTR_SECTION_IFSET(CPU_FTR_HVMODE | CPU_FTR_ARCH_206)
#endif /* CONFIG_PPC_P7_NAP */
EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, system_reset_common, EXC_STD,
NOTEST, 0x100)
@@ -173,7 +173,7 @@ hardware_interrupt_hv:
_MASKABLE_EXCEPTION_PSERIES(0x500, hardware_interrupt,
EXC_STD, SOFTEN_TEST_PR)
KVM_HANDLER(PACA_EXGEN, EXC_STD, 0x500)
- ALT_FTR_SECTION_END_IFSET(CPU_FTR_HVMODE_206)
+ ALT_FTR_SECTION_END_IFSET(CPU_FTR_HVMODE | CPU_FTR_ARCH_206)
STD_EXCEPTION_PSERIES(0x600, 0x600, alignment)
KVM_HANDLER_PR(PACA_EXGEN, EXC_STD, 0x600)
diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c
index efeb88184182..0a5a899846bb 100644
--- a/arch/powerpc/kernel/paca.c
+++ b/arch/powerpc/kernel/paca.c
@@ -167,7 +167,7 @@ void setup_paca(struct paca_struct *new_paca)
* if we do a GET_PACA() before the feature fixups have been
* applied
*/
- if (cpu_has_feature(CPU_FTR_HVMODE_206))
+ if (cpu_has_feature(CPU_FTR_HVMODE))
mtspr(SPRN_SPRG_HPACA, local_paca);
#endif
mtspr(SPRN_SPRG_PACA, local_paca);
diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c
index 96ba96a16abf..212dcd8fc50b 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_hv.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c
@@ -128,7 +128,8 @@ void kvmppc_map_vrma(struct kvm *kvm, struct kvm_userspace_memory_region *mem)
int kvmppc_mmu_hv_init(void)
{
- if (!cpu_has_feature(CPU_FTR_HVMODE_206))
+ if (!cpu_has_feature(CPU_FTR_HVMODE) ||
+ !cpu_has_feature(CPU_FTR_ARCH_206))
return -EINVAL;
memset(lpid_inuse, 0, sizeof(lpid_inuse));
set_bit(mfspr(SPRN_LPID), lpid_inuse);
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 04da135cae61..dc70e7745ab3 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -443,7 +443,8 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
int kvmppc_core_check_processor_compat(void)
{
- if (cpu_has_feature(CPU_FTR_HVMODE_206))
+ if (cpu_has_feature(CPU_FTR_HVMODE) &&
+ cpu_has_feature(CPU_FTR_ARCH_206))
return 0;
return -EIO;
}
diff --git a/arch/powerpc/kvm/book3s_hv_builtin.c b/arch/powerpc/kvm/book3s_hv_builtin.c
index 736df3cbbc55..7315ec6e8177 100644
--- a/arch/powerpc/kvm/book3s_hv_builtin.c
+++ b/arch/powerpc/kvm/book3s_hv_builtin.c
@@ -90,8 +90,8 @@ void kvm_rma_init(void)
void *rma;
struct page *pg;
- /* Only do this on POWER7 in HV mode */
- if (!cpu_has_feature(CPU_FTR_HVMODE_206))
+ /* Only do this in HV mode */
+ if (!cpu_has_feature(CPU_FTR_HVMODE))
return;
if (!kvm_rma_size || !kvm_rma_count)
diff --git a/arch/powerpc/kvm/book3s_segment.S b/arch/powerpc/kvm/book3s_segment.S
index 134501691ad0..aed32e517212 100644
--- a/arch/powerpc/kvm/book3s_segment.S
+++ b/arch/powerpc/kvm/book3s_segment.S
@@ -170,7 +170,7 @@ BEGIN_FTR_SECTION
mfspr r4,SPRN_HSRR1
andi. r12,r12,0x3ffd
b 2f
-END_FTR_SECTION_IFSET(CPU_FTR_HVMODE_206)
+END_FTR_SECTION_IFSET(CPU_FTR_HVMODE)
#endif
1: mfsrr0 r3
mfsrr1 r4
diff --git a/arch/powerpc/mm/hash_native_64.c b/arch/powerpc/mm/hash_native_64.c
index dfd764896db0..b44f5f803052 100644
--- a/arch/powerpc/mm/hash_native_64.c
+++ b/arch/powerpc/mm/hash_native_64.c
@@ -51,7 +51,7 @@ static inline void __tlbie(unsigned long va, int psize, int ssize)
va &= ~0xffful;
va |= ssize << 8;
asm volatile(ASM_FTR_IFCLR("tlbie %0,0", PPC_TLBIE(%1,%0), %2)
- : : "r" (va), "r"(0), "i" (CPU_FTR_HVMODE_206)
+ : : "r" (va), "r"(0), "i" (CPU_FTR_ARCH_206)
: "memory");
break;
default:
@@ -61,7 +61,7 @@ static inline void __tlbie(unsigned long va, int psize, int ssize)
va |= ssize << 8;
va |= 1; /* L */
asm volatile(ASM_FTR_IFCLR("tlbie %0,1", PPC_TLBIE(%1,%0), %2)
- : : "r" (va), "r"(0), "i" (CPU_FTR_HVMODE_206)
+ : : "r" (va), "r"(0), "i" (CPU_FTR_ARCH_206)
: "memory");
break;
}
generated by cgit (git 2.34.1) at 2024-06-11 02:29:59 +0000