[PATCH v1 08/19] powerpc/cputable: Split cpu_specs[] for mpc85xx and e500mc

Christophe Leroy christophe.leroy at csgroup.eu
Fri Sep 9 03:37:41 AEST 2022


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 at csgroup.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 at kernel.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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