powerpc: Remove CONFIG_PPC_BOOK3E_MMU

CONFIG_PPC_BOOK3E_MMU is redundant with CONFIG_PPC_E500.

Remove it.

Also rename mmu-book3e.h to mmu-e500.h
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/c5549cd59a131204ff94ab909cad2e2dad4ddf2f.1663606876.git.christophe.leroy@csgroup.eu

arch/powerpc/include/asm/nohash/mmu.h

@@ -8,9 +8,9 @@
 #elif defined(CONFIG_44x)
 /* 44x-style software loaded TLB */
 #include <asm/nohash/32/mmu-44x.h>
-#elif defined(CONFIG_PPC_BOOK3E_MMU)
+#elif defined(CONFIG_PPC_E500)
 /* Freescale Book-E software loaded TLB or Book-3e (ISA 2.06+) MMU */
-#include <asm/nohash/mmu-book3e.h>
+#include <asm/nohash/mmu-e500.h>
 #elif defined (CONFIG_PPC_8xx)
 /* Motorola/Freescale 8xx software loaded TLB */
 #include <asm/nohash/32/mmu-8xx.h>

arch/powerpc/kernel/cpu_setup_e500.S

@@ -12,7 +12,7 @@
 #include <asm/processor.h>
 #include <asm/cputable.h>
 #include <asm/ppc_asm.h>
-#include <asm/nohash/mmu-book3e.h>
+#include <asm/nohash/mmu-e500.h>
 #include <asm/asm-offsets.h>
 #include <asm/mpc85xx.h>
 

arch/powerpc/kernel/entry_32.S

@@ -488,7 +488,7 @@ _ASM_NOKPROBE_SYMBOL(interrupt_return)
 	mtspr	SPRN_##exc_lvl_srr0,r9;					\
 	mtspr	SPRN_##exc_lvl_srr1,r10;
 
-#if defined(CONFIG_PPC_BOOK3E_MMU)
+#if defined(CONFIG_PPC_E500)
 #ifdef CONFIG_PHYS_64BIT
 #define	RESTORE_MAS7							\
 	lwz	r11,MAS7(r1);						\

arch/powerpc/kernel/head_booke.h

@@ -242,7 +242,7 @@ ALT_FTR_SECTION_END_IFSET(CPU_FTR_EMB_HV)
 
 
 .macro SAVE_MMU_REGS
-#ifdef CONFIG_PPC_BOOK3E_MMU
+#ifdef CONFIG_PPC_E500
 	mfspr	r0,SPRN_MAS0
 	stw	r0,MAS0(r1)
 	mfspr	r0,SPRN_MAS1
@@ -257,7 +257,7 @@ ALT_FTR_SECTION_END_IFSET(CPU_FTR_EMB_HV)
 	mfspr	r0,SPRN_MAS7
 	stw	r0,MAS7(r1)
 #endif /* CONFIG_PHYS_64BIT */
-#endif /* CONFIG_PPC_BOOK3E_MMU */
+#endif /* CONFIG_PPC_E500 */
 #ifdef CONFIG_44x
 	mfspr	r0,SPRN_MMUCR
 	stw	r0,MMUCR(r1)

arch/powerpc/kernel/kvm.c

@@ -455,7 +455,7 @@ static void __init kvm_check_ins(u32 *inst, u32 features)
 		kvm_patch_ins_lwz(inst, magic_var(dsisr), inst_rt);
 		break;
 
-#ifdef CONFIG_PPC_BOOK3E_MMU
+#ifdef CONFIG_PPC_E500
 	case KVM_INST_MFSPR(SPRN_MAS0):
 		if (features & KVM_MAGIC_FEAT_MAS0_TO_SPRG7)
 			kvm_patch_ins_lwz(inst, magic_var(mas0), inst_rt);
@@ -484,7 +484,7 @@ static void __init kvm_check_ins(u32 *inst, u32 features)
 		if (features & KVM_MAGIC_FEAT_MAS0_TO_SPRG7)
 			kvm_patch_ins_lwz(inst, magic_var(mas7_3), inst_rt);
 		break;
-#endif /* CONFIG_PPC_BOOK3E_MMU */
+#endif /* CONFIG_PPC_E500 */
 
 	case KVM_INST_MFSPR(SPRN_SPRG4):
 #ifdef CONFIG_BOOKE
@@ -557,7 +557,7 @@ static void __init kvm_check_ins(u32 *inst, u32 features)
 	case KVM_INST_MTSPR(SPRN_DSISR):
 		kvm_patch_ins_stw(inst, magic_var(dsisr), inst_rt);
 		break;
-#ifdef CONFIG_PPC_BOOK3E_MMU
+#ifdef CONFIG_PPC_E500
 	case KVM_INST_MTSPR(SPRN_MAS0):
 		if (features & KVM_MAGIC_FEAT_MAS0_TO_SPRG7)
 			kvm_patch_ins_stw(inst, magic_var(mas0), inst_rt);
@@ -586,7 +586,7 @@ static void __init kvm_check_ins(u32 *inst, u32 features)
 		if (features & KVM_MAGIC_FEAT_MAS0_TO_SPRG7)
 			kvm_patch_ins_stw(inst, magic_var(mas7_3), inst_rt);
 		break;
-#endif /* CONFIG_PPC_BOOK3E_MMU */
+#endif /* CONFIG_PPC_E500 */
 
 	case KVM_INST_MTSPR(SPRN_SPRG4):
 		if (features & KVM_MAGIC_FEAT_MAS0_TO_SPRG7)

arch/powerpc/kvm/e500.h

@@ -17,7 +17,7 @@
 #define KVM_E500_H
 
 #include <linux/kvm_host.h>
-#include <asm/nohash/mmu-book3e.h>
+#include <asm/nohash/mmu-e500.h>
 #include <asm/tlb.h>
 #include <asm/cputhreads.h>
 

arch/powerpc/mm/nohash/tlb.c

@@ -49,7 +49,7 @@
  * other sizes not listed here.   The .ind field is only used on MMUs that have
  * indirect page table entries.
  */
-#if defined(CONFIG_PPC_BOOK3E_MMU) || defined(CONFIG_PPC_8xx)
+#if defined(CONFIG_PPC_E500) || defined(CONFIG_PPC_8xx)
 #ifdef CONFIG_PPC_E500
 struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT] = {
 	[MMU_PAGE_4K] = {
@@ -142,7 +142,7 @@ static inline int mmu_get_tsize(int psize)
 	/* This isn't used on !Book3E for now */
 	return 0;
 }
-#endif /* CONFIG_PPC_BOOK3E_MMU */
+#endif /* CONFIG_PPC_E500 */
 
 /* The variables below are currently only used on 64-bit Book3E
  * though this will probably be made common with other nohash

arch/powerpc/mm/ptdump/Makefile

@@ -4,7 +4,7 @@ obj-y	+= ptdump.o
 
 obj-$(CONFIG_4xx)		+= shared.o
 obj-$(CONFIG_PPC_8xx)		+= 8xx.o
-obj-$(CONFIG_PPC_BOOK3E_MMU)	+= shared.o
+obj-$(CONFIG_PPC_E500)		+= shared.o
 obj-$(CONFIG_PPC_BOOK3S_32)	+= shared.o
 obj-$(CONFIG_PPC_BOOK3S_64)	+= book3s64.o
 

arch/powerpc/platforms/Kconfig.cputype

@@ -466,10 +466,6 @@ config PPC_MMU_NOHASH
 	def_bool y
 	depends on !PPC_BOOK3S
 
-config PPC_BOOK3E_MMU
-	def_bool y
-	depends on PPC_85xx || PPC_BOOK3E_64
-
 config PPC_HAVE_PMU_SUPPORT
 	bool