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Date: Thu, 8 Sep 2022 19:37:41 +0200
From: Christophe Leroy <christophe.leroy@...roup.eu>
To: Michael Ellerman <mpe@...erman.id.au>,
Nicholas Piggin <npiggin@...il.com>
Cc: Christophe Leroy <christophe.leroy@...roup.eu>,
linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH v1 08/19] powerpc/cputable: Split cpu_specs[] for mpc85xx and e500mc
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@...roup.eu>
---
arch/powerpc/kernel/cpu_specs.h | 6 +-
arch/powerpc/kernel/cpu_specs_85xx.h | 60 +++++++++++++++++++
.../{cpu_specs_e500.h => cpu_specs_e500mc.h} | 57 ------------------
3 files changed, 64 insertions(+), 59 deletions(-)
create mode 100644 arch/powerpc/kernel/cpu_specs_85xx.h
rename arch/powerpc/kernel/{cpu_specs_e500.h => cpu_specs_e500mc.h} (58%)
diff --git a/arch/powerpc/kernel/cpu_specs.h b/arch/powerpc/kernel/cpu_specs.h
index 3de0b70d7203..2f5168c09be1 100644
--- a/arch/powerpc/kernel/cpu_specs.h
+++ b/arch/powerpc/kernel/cpu_specs.h
@@ -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
diff --git a/arch/powerpc/kernel/cpu_specs_85xx.h b/arch/powerpc/kernel/cpu_specs_85xx.h
new file mode 100644
index 000000000000..f5534311cfc0
--- /dev/null
+++ b/arch/powerpc/kernel/cpu_specs_85xx.h
@@ -0,0 +1,60 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2001 Ben. Herrenschmidt (benh@...nel.crashing.org)
+ */
+
+#define COMMON_USER_BOOKE (PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | \
+ PPC_FEATURE_BOOKE)
+
+static struct cpu_spec __initdata cpu_specs[] = {
+ { /* 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",
+ }
+};
diff --git a/arch/powerpc/kernel/cpu_specs_e500.h b/arch/powerpc/kernel/cpu_specs_e500mc.h
similarity index 58%
rename from arch/powerpc/kernel/cpu_specs_e500.h
rename to arch/powerpc/kernel/cpu_specs_e500mc.h
index 92d165741efc..2f6586f04cef 100644
--- a/arch/powerpc/kernel/cpu_specs_e500.h
+++ b/arch/powerpc/kernel/cpu_specs_e500mc.h
@@ -16,44 +16,6 @@
static struct cpu_spec __initdata cpu_specs[] = {
#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,
@@ -71,9 +33,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
.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,
@@ -115,21 +75,4 @@ static struct cpu_spec __initdata cpu_specs[] = {
.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 */
};
--
2.37.1
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