7 files changed, 83 insertions, 31 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 4bf9afc..ff8f5b5 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -1,77 +1,129 @@
 menu "SuperH architecture"
 	depends on SH
 
-config SYS_ARCH
-	default "sh"
+config CPU_SH2
+	bool
+
+config CPU_SH2A
+	bool
+	select CPU_SH2
+
+config CPU_SH3
+	bool
+
+config CPU_SH4
+	bool
+
+config CPU_SH4A
+	bool
+	select CPU_SH4
+
+config SH_32BIT
+	bool "32bit mode"
+	depends on CPU_SH4A
+	default n
+	help
+	  SH4A has 2 physical memory maps. This use 32bit mode.
+	  And this is board specific. Please check your board if you
+	  want to use this.
 
 choice
 	prompt "Target select"
 
 config TARGET_RSK7203
-	bool "Support rsk7203"
+	bool "RSK+ 7203"
+	select CPU_SH2A
 
 config TARGET_RSK7264
-	bool "Support rsk7264"
+	bool "RSK2+SH7264"
+	select CPU_SH2A
 
 config TARGET_RSK7269
-	bool "Support rsk7269"
+	bool "RSK2+SH7269"
+	select CPU_SH2A
 
 config TARGET_MPR2
-	bool "Support mpr2"
+	bool "Magic Panel Release 2 board"
+	select CPU_SH3
 
 config TARGET_MS7720SE
 	bool "Support ms7720se"
+	select CPU_SH3
 
 config TARGET_SHMIN
-	bool "Support shmin"
+	bool "SHMIN"
+	select CPU_SH3
 
 config TARGET_ESPT
-	bool "Support espt"
+	bool "Data Technology ESPT-GIGA board"
+	select CPU_SH4
 
 config TARGET_MS7722SE
-	bool "Support ms7722se"
+	bool "SolutionEngine 7722"
+	select CPU_SH4
 
 config TARGET_MS7750SE
-	bool "Support ms7750se"
+	bool "SolutionEngine 7750"
+	select CPU_SH4
 
 config TARGET_AP_SH4A_4A
-	bool "Support ap_sh4a_4a"
+	bool "ALPHAPROJECT AP-SH4A-4A"
+	select CPU_SH4A
 
 config TARGET_AP325RXA
-	bool "Support ap325rxa"
+	bool "Renesas AP-325RXA"
+	select CPU_SH4
 
 config TARGET_ECOVEC
-	bool "Support ecovec"
+	bool "EcoVec"
+	select CPU_SH4A
 
 config TARGET_MIGOR
-	bool "Support MigoR"
+	bool "Migo-R"
+	select CPU_SH4
 
 config TARGET_R0P7734
 	bool "Support r0p7734"
+	select CPU_SH4A
 
 config TARGET_R2DPLUS
-	bool "Support r2dplus"
+	bool "Renesas R2D-PLUS"
+	select CPU_SH4
 
 config TARGET_R7780MP
-	bool "Support r7780mp"
+	bool "R7780MP board"
+	select CPU_SH4A
 
 config TARGET_SH7752EVB
-	bool "Support sh7752evb"
+	bool "SH7752EVB"
+	select CPU_SH4A
 
 config TARGET_SH7753EVB
-	bool "Support sh7753evb"
+	bool "SH7753EVB"
+	select CPU_SH4
 
 config TARGET_SH7757LCR
-	bool "Support sh7757lcr"
+	bool "SH7757LCR"
+	select CPU_SH4A
 
 config TARGET_SH7763RDP
-	bool "Support sh7763rdp"
+	bool "SH7763RDP"
+	select CPU_SH4
 
 config TARGET_SH7785LCR
-	bool "Support sh7785lcr"
+	bool "SH7785LCR"
+	select CPU_SH4A
 
 endchoice
 
+config SYS_ARCH
+	default "sh"
+
+config SYS_CPU
+	default "sh2" if CPU_SH2
+	default "sh3" if CPU_SH3
+	default "sh4" if CPU_SH4
+
 source "board/alphaproject/ap_sh4a_4a/Kconfig"
 source "board/espt/Kconfig"
 source "board/mpr2/Kconfig"
diff --git a/arch/sh/cpu/sh2/config.mk b/arch/sh/cpu/sh2/config.mk
index 4904d76..12e202d 100644
--- a/arch/sh/cpu/sh2/config.mk
+++ b/arch/sh/cpu/sh2/config.mk
@@ -7,11 +7,11 @@
 #
 ENDIANNESS += -EB
 
-ifdef CONFIG_SH2A
+ifdef CONFIG_CPU_SH2A
 PLATFORM_CPPFLAGS += -m2a -m2a-nofpu -mb
 else # SH2
 PLATFORM_CPPFLAGS += -m3e -mb
 endif
-PLATFORM_CPPFLAGS += -DCONFIG_SH2 $(call cc-option,-mno-fdpic)
+PLATFORM_CPPFLAGS += $(call cc-option,-mno-fdpic)
 
 PLATFORM_LDFLAGS += $(ENDIANNESS)
diff --git a/arch/sh/cpu/sh3/config.mk b/arch/sh/cpu/sh3/config.mk
index 24b5c47..dcafd19 100644
--- a/arch/sh/cpu/sh3/config.mk
+++ b/arch/sh/cpu/sh3/config.mk
@@ -11,4 +11,4 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 #
-PLATFORM_CPPFLAGS += -DCONFIG_SH3 -m3
+PLATFORM_CPPFLAGS += -m3
diff --git a/arch/sh/cpu/sh4/config.mk b/arch/sh/cpu/sh4/config.mk
index 5773d4f..4fb2dc2 100644
--- a/arch/sh/cpu/sh4/config.mk
+++ b/arch/sh/cpu/sh4/config.mk
@@ -8,4 +8,4 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 #
-PLATFORM_CPPFLAGS += -DCONFIG_SH4 -m4-nofpu
+PLATFORM_CPPFLAGS += -m4-nofpu
diff --git a/arch/sh/include/asm/cache.h b/arch/sh/include/asm/cache.h
index 0698a37..abaf405 100644
--- a/arch/sh/include/asm/cache.h
+++ b/arch/sh/include/asm/cache.h
@@ -1,7 +1,7 @@
 #ifndef __ASM_SH_CACHE_H
 #define __ASM_SH_CACHE_H
 
-#if defined(CONFIG_SH4)
+#if defined(CONFIG_CPU_SH4)
 
 int cache_control(unsigned int cmd);
 
@@ -18,7 +18,7 @@ struct __large_struct { unsigned long buf[100]; };
  */
 #define ARCH_DMA_MINALIGN	32
 
-#endif /* CONFIG_SH4 */
+#endif /* CONFIG_CPU_SH4 */
 
 /*
  * Use the L1 data cache line size value for the minimum DMA buffer alignment
diff --git a/arch/sh/include/asm/processor.h b/arch/sh/include/asm/processor.h
index b8677da..b07fe54 100644
--- a/arch/sh/include/asm/processor.h
+++ b/arch/sh/include/asm/processor.h
@@ -1,10 +1,10 @@
 #ifndef _ASM_SH_PROCESSOR_H_
 #define _ASM_SH_PROCESSOR_H_
-#if defined(CONFIG_SH2)
+#if defined(CONFIG_CPU_SH2)
 # include <asm/cpu_sh2.h>
-#elif defined(CONFIG_SH3)
+#elif defined(CONFIG_CPU_SH3)
 # include <asm/cpu_sh3.h>
-#elif defined(CONFIG_SH4)
+#elif defined(CONFIG_CPU_SH4)
 # include <asm/cpu_sh4.h>
 #endif
 #endif
diff --git a/arch/sh/lib/Makefile b/arch/sh/lib/Makefile
index 8a84b24..1304f4e 100644
--- a/arch/sh/lib/Makefile
+++ b/arch/sh/lib/Makefile
@@ -8,7 +8,7 @@
 
 obj-y	+= board.o
 obj-$(CONFIG_CMD_BOOTM) += bootm.o
-ifeq ($(CONFIG_SH2),y)
+ifeq ($(CONFIG_CPU_SH2),y)
 obj-y	+= time_sh2.o
 else
 obj-y	+= time.o