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powerpc/cputable: Split cpu_specs[] for mpc85xx and e500mc

Browse source 
e500v1/v2 and e500mc are said to be mutually exclusive in Kconfig.

Split e500 cpu_specs[] and then restrict the non e500mc to PPC32
which is then 85xx.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
[mpe: Tweak formatting]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/553b901ea91e393df231103da4b018e9b251b0e9.1663606876.git.christophe.leroy@csgroup.eu
This commit is contained in:
Christophe Leroy 2022-09-19 19:01:32 +02:00 committed by Michael Ellerman
parent dfc3095cec
commit d7216567c6
3 changed files with 65 additions and 66 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
arch/powerpc/kernel/cpu_specs.h
View file

@ -14,8 +14,10 @@
#include "cpu_specs_8xx.h"
#endif
#ifdef CONFIG_E500
#include "cpu_specs_e500.h"
#ifdef CONFIG_PPC_E500MC
#include "cpu_specs_e500mc.h"
#elif defined(CONFIG_PPC_85xx)
#include "cpu_specs_85xx.h"
#endif
#ifdef CONFIG_PPC_BOOK3S_32

57
arch/powerpc/kernel/cpu_specs_85xx.h Normal file
View file

@ -0,0 +1,57 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2001 Ben. Herrenschmidt (benh@kernel.crashing.org)
*/
#define COMMON_USER_BOOKE (PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | \
PPC_FEATURE_BOOKE)
static struct cpu_spec cpu_specs[] __initdata = {
{ /* e500 */
.pvr_mask = 0xffff0000,
.pvr_value = 0x80200000,
.cpu_name = "e500",
.cpu_features = CPU_FTRS_E500,
.cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_SPE_COMP |
PPC_FEATURE_HAS_EFP_SINGLE_COMP,
.cpu_user_features2 = PPC_FEATURE2_ISEL,
.mmu_features = MMU_FTR_TYPE_FSL_E,
.icache_bsize = 32,
.dcache_bsize = 32,
.num_pmcs = 4,
.cpu_setup = __setup_cpu_e500v1,
.machine_check = machine_check_e500,
.platform = "ppc8540",
},
{ /* e500v2 */
.pvr_mask = 0xffff0000,
.pvr_value = 0x80210000,
.cpu_name = "e500v2",
.cpu_features = CPU_FTRS_E500_2,
.cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_SPE_COMP |
PPC_FEATURE_HAS_EFP_SINGLE_COMP |
PPC_FEATURE_HAS_EFP_DOUBLE_COMP,
.cpu_user_features2 = PPC_FEATURE2_ISEL,
.mmu_features = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS,
.icache_bsize = 32,
.dcache_bsize = 32,
.num_pmcs = 4,
.cpu_setup = __setup_cpu_e500v2,
.machine_check = machine_check_e500,
.platform = "ppc8548",
.cpu_down_flush = cpu_down_flush_e500v2,
},
{ /* default match */
.pvr_mask = 0x00000000,
.pvr_value = 0x00000000,
.cpu_name = "(generic E500 PPC)",
.cpu_features = CPU_FTRS_E500,
.cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_SPE_COMP |
PPC_FEATURE_HAS_EFP_SINGLE_COMP,
.mmu_features = MMU_FTR_TYPE_FSL_E,
.icache_bsize = 32,
.dcache_bsize = 32,
.machine_check = machine_check_e500,
.platform = "powerpc",
}
};

68
arch/powerpc/kernel/cpu_specs_e500.h → arch/powerpc/kernel/cpu_specs_e500mc.h
View file

@ -16,44 +16,6 @@
static struct cpu_spec cpu_specs[] __initdata = {
#ifdef CONFIG_PPC32
#ifndef CONFIG_PPC_E500MC
{ /* e500 */
.pvr_mask = 0xffff0000,
.pvr_value = 0x80200000,
.cpu_name = "e500",
.cpu_features = CPU_FTRS_E500,
.cpu_user_features = COMMON_USER_BOOKE |
PPC_FEATURE_HAS_SPE_COMP |
PPC_FEATURE_HAS_EFP_SINGLE_COMP,
.cpu_user_features2 = PPC_FEATURE2_ISEL,
.mmu_features = MMU_FTR_TYPE_FSL_E,
.icache_bsize = 32,
.dcache_bsize = 32,
.num_pmcs = 4,
.cpu_setup = __setup_cpu_e500v1,
.machine_check = machine_check_e500,
.platform = "ppc8540",
},
{ /* e500v2 */
.pvr_mask = 0xffff0000,
.pvr_value = 0x80210000,
.cpu_name = "e500v2",
.cpu_features = CPU_FTRS_E500_2,
.cpu_user_features = COMMON_USER_BOOKE |
PPC_FEATURE_HAS_SPE_COMP |
PPC_FEATURE_HAS_EFP_SINGLE_COMP |
PPC_FEATURE_HAS_EFP_DOUBLE_COMP,
.cpu_user_features2 = PPC_FEATURE2_ISEL,
.mmu_features = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS,
.icache_bsize = 32,
.dcache_bsize = 32,
.num_pmcs = 4,
.cpu_setup = __setup_cpu_e500v2,
.machine_check = machine_check_e500,
.platform = "ppc8548",
.cpu_down_flush = cpu_down_flush_e500v2,
},
#else
{ /* e500mc */
.pvr_mask = 0xffff0000,
.pvr_value = 0x80230000,
@ -61,8 +23,7 @@ static struct cpu_spec cpu_specs[] __initdata = {
.cpu_features = CPU_FTRS_E500MC,
.cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
.cpu_user_features2 = PPC_FEATURE2_ISEL,
.mmu_features = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS |
MMU_FTR_USE_TLBILX,
.mmu_features = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS | MMU_FTR_USE_TLBILX,
.icache_bsize = 64,
.dcache_bsize = 64,
.num_pmcs = 4,
@ -71,9 +32,7 @@ static struct cpu_spec cpu_specs[] __initdata = {
.platform = "ppce500mc",
.cpu_down_flush = cpu_down_flush_e500mc,
},
#endif /* CONFIG_PPC_E500MC */
#endif /* CONFIG_PPC32 */
#ifdef CONFIG_PPC_E500MC
{ /* e5500 */
.pvr_mask = 0xffff0000,
.pvr_value = 0x80240000,
@ -81,8 +40,7 @@ static struct cpu_spec cpu_specs[] __initdata = {
.cpu_features = CPU_FTRS_E5500,
.cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
.cpu_user_features2 = PPC_FEATURE2_ISEL,
.mmu_features = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS |
MMU_FTR_USE_TLBILX,
.mmu_features = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS | MMU_FTR_USE_TLBILX,
.icache_bsize = 64,
.dcache_bsize = 64,
.num_pmcs = 4,
@ -100,10 +58,9 @@ static struct cpu_spec cpu_specs[] __initdata = {
.cpu_name = "e6500",
.cpu_features = CPU_FTRS_E6500,
.cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU |
PPC_FEATURE_HAS_ALTIVEC_COMP,
PPC_FEATURE_HAS_ALTIVEC_COMP,
.cpu_user_features2 = PPC_FEATURE2_ISEL,
.mmu_features = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS |
MMU_FTR_USE_TLBILX,
.mmu_features = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS | MMU_FTR_USE_TLBILX,
.icache_bsize = 64,
.dcache_bsize = 64,
.num_pmcs = 6,
@ -115,21 +72,4 @@ static struct cpu_spec cpu_specs[] __initdata = {
.platform = "ppce6500",
.cpu_down_flush = cpu_down_flush_e6500,
},
#endif /* CONFIG_PPC_E500MC */
#ifdef CONFIG_PPC32
{ /* default match */
.pvr_mask = 0x00000000,
.pvr_value = 0x00000000,
.cpu_name = "(generic E500 PPC)",
.cpu_features = CPU_FTRS_E500,
.cpu_user_features = COMMON_USER_BOOKE |
PPC_FEATURE_HAS_SPE_COMP |
PPC_FEATURE_HAS_EFP_SINGLE_COMP,
.mmu_features = MMU_FTR_TYPE_FSL_E,
.icache_bsize = 32,
.dcache_bsize = 32,
.machine_check = machine_check_e500,
.platform = "powerpc",
}
#endif /* CONFIG_PPC32 */
};