sh: Rework CPU/board dependencies.

This was a big mess, rework the logic a bit so that we constrain
to a particular subtype and figure out the board support based
on that. This makes building subtype specific kernels supporting
multiple boards possible again.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 038179e..4c9d8fc 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -81,257 +81,8 @@
 
 menu "System type"
 
-config SOLUTION_ENGINE
-	bool
-
-choice
-	prompt "SuperH system type"
-	default SH_UNKNOWN
-
-config SH_SOLUTION_ENGINE
-	bool "SolutionEngine"
-	select SOLUTION_ENGINE
-	help
-	  Select SolutionEngine if configuring for a Hitachi SH7709
-	  or SH7750 evaluation board.
-
-config SH_7722_SOLUTION_ENGINE
-	bool "SolutionEngine7722"
-	select SOLUTION_ENGINE
-	select CPU_SUBTYPE_SH7722
-	help
-	  Select 7722 SolutionEngine if configuring for a Hitachi SH772
-	  evaluation board.
-
-config SH_7751_SOLUTION_ENGINE
-	bool "SolutionEngine7751"
-	select SOLUTION_ENGINE
-	select CPU_SUBTYPE_SH7751
-	help
-	  Select 7751 SolutionEngine if configuring for a Hitachi SH7751
-	  evaluation board.
-	  
-config SH_7780_SOLUTION_ENGINE
-	bool "SolutionEngine7780"
-	select SOLUTION_ENGINE
-	select CPU_SUBTYPE_SH7780
-	help
-	  Select 7780 SolutionEngine if configuring for a Renesas SH7780
-	  evaluation board.
-
-config SH_7300_SOLUTION_ENGINE
-	bool "SolutionEngine7300"
-	select SOLUTION_ENGINE
-	select CPU_SUBTYPE_SH7300
-	help
-	  Select 7300 SolutionEngine if configuring for a Hitachi
-	  SH7300(SH-Mobile V) evaluation board.
-
-config SH_7343_SOLUTION_ENGINE
-	bool "SolutionEngine7343"
-	select SOLUTION_ENGINE
-	select CPU_SUBTYPE_SH7343
-	help
-	  Select 7343 SolutionEngine if configuring for a Hitachi
-	  SH7343 (SH-Mobile 3AS) evaluation board.
-
-config SH_73180_SOLUTION_ENGINE
-       bool "SolutionEngine73180"
-	select SOLUTION_ENGINE
-	select CPU_SUBTYPE_SH73180
-	help
-	  Select 73180 SolutionEngine if configuring for a Hitachi
-	  SH73180(SH-Mobile 3) evaluation board.
-
-config SH_7751_SYSTEMH
-	bool "SystemH7751R"
-	select CPU_SUBTYPE_SH7751R
-	help
-	  Select SystemH if you are configuring for a Renesas SystemH
-	  7751R evaluation board.
-
-config SH_HP6XX
-	bool "HP6XX"
-	select SYS_SUPPORTS_APM_EMULATION
-	help
-	  Select HP6XX if configuring for a HP jornada HP6xx.
-	  More information (hardware only) at
-	  <http://www.hp.com/jornada/>.
-
-config SH_SATURN
-	bool "Saturn"
-	select CPU_SUBTYPE_SH7604
-	help
-	  Select Saturn if configuring for a SEGA Saturn.
-
-config SH_DREAMCAST
-	bool "Dreamcast"
-	select CPU_SUBTYPE_SH7091
-	help
-	  Select Dreamcast if configuring for a SEGA Dreamcast.
-	  More information at
-	  <http://www.m17n.org/linux-sh/dreamcast/>.  There is a
-	  Dreamcast project is at <http://linuxdc.sourceforge.net/>.
-
-config SH_MPC1211
-	bool "Interface MPC1211"
-	help
-	  CTP/PCI-SH02 is a CPU module computer that is produced
-	  by Interface Corporation.
-	  More information at <http://www.interface.co.jp>
-
-config SH_SH03
-	bool "Interface CTP/PCI-SH03"
-	help
-	  CTP/PCI-SH03 is a CPU module computer that is produced
-	  by Interface Corporation.
-	  More information at <http://www.interface.co.jp>
-
-config SH_SECUREEDGE5410
-	bool "SecureEdge5410"
-	select CPU_SUBTYPE_SH7751R
-	help
-	  Select SecureEdge5410 if configuring for a SnapGear SH board.
-	  This includes both the OEM SecureEdge products as well as the
-	  SME product line.
-
-config SH_HS7751RVOIP
-	bool "HS7751RVOIP"
-	select CPU_SUBTYPE_SH7751R
-	help
-	  Select HS7751RVOIP if configuring for a Renesas Technology
-	  Sales VoIP board.
-
-config SH_7710VOIPGW
-	bool "SH7710-VOIP-GW"
-	select CPU_SUBTYPE_SH7710
-	help
-	  Select this option to build a kernel for the SH7710 based
-	  VOIP GW.
-
-config SH_RTS7751R2D
-	bool "RTS7751R2D"
-	select CPU_SUBTYPE_SH7751R
-	help
-	  Select RTS7751R2D if configuring for a Renesas Technology
-	  Sales SH-Graphics board.
-
-config SH_HIGHLANDER
-	bool "Highlander"
-
-config SH_EDOSK7705
-	bool "EDOSK7705"
-	select CPU_SUBTYPE_SH7705
-
-config SH_SH4202_MICRODEV
-	bool "SH4-202 MicroDev"
-	select CPU_SUBTYPE_SH4_202
-	help
-	  Select SH4-202 MicroDev if configuring for a SuperH MicroDev board
-	  with an SH4-202 CPU.
-
-config SH_LANDISK
-	bool "LANDISK"
-	select CPU_SUBTYPE_SH7751R
-	help
-	  I-O DATA DEVICE, INC. "LANDISK Series" support.
-
-config SH_TITAN
-	bool "TITAN"
-	select CPU_SUBTYPE_SH7751R
-	help
-	  Select Titan if you are configuring for a Nimble Microsystems
-	  NetEngine NP51R.
-
-config SH_SHMIN
-	bool "SHMIN"
-	select CPU_SUBTYPE_SH7706
-	help
-	  Select SHMIN if configuring for the SHMIN board.
-
-config SH_7206_SOLUTION_ENGINE
-	bool "SolutionEngine7206"
-	select CPU_SUBTYPE_SH7206
-	help
-	  Select 7206 SolutionEngine if configuring for a Hitachi SH7206
-	  evaluation board.
-
-config SH_7619_SOLUTION_ENGINE
-	bool "SolutionEngine7619"
-	select CPU_SUBTYPE_SH7619
-	help
-	  Select 7619 SolutionEngine if configuring for a Hitachi SH7619
-	  evaluation board.
-	
-config SH_LBOX_RE2
-	bool "L-BOX RE2"
-	select CPU_SUBTYPE_SH7751R
-	help
-	  Select L-BOX RE2 if configuring for the NTT COMWARE L-BOX RE2.
-
-config SH_UNKNOWN
-	bool "BareCPU"
-	help
-	  "Bare CPU" aka "unknown" means an SH-based system which is not one
-	  of the specific ones mentioned above, which means you need to enter
-	  all sorts of stuff like CONFIG_MEMORY_START because the config
-	  system doesn't already know what it is.  You get a machine vector
-	  without any platform-specific code in it, so things like the RTC may
-	  not work.
-
-	  This option is for the early stages of porting to a new machine.
-
-endchoice
-
-source "arch/sh/boards/renesas/hs7751rvoip/Kconfig"
-source "arch/sh/boards/renesas/rts7751r2d/Kconfig"
-source "arch/sh/boards/renesas/r7780rp/Kconfig"
-
 source "arch/sh/mm/Kconfig"
 
-config CF_ENABLER
-	bool "Compact Flash Enabler support"
-	depends on SH_SOLUTION_ENGINE || SH_UNKNOWN || SH_SH03
-	---help---
-	  Compact Flash is a small, removable mass storage device introduced
-	  in 1994 originally as a PCMCIA device.  If you say `Y' here, you
-	  compile in support for Compact Flash devices directly connected to
-	  a SuperH processor.  A Compact Flash FAQ is available at
-	  <http://www.compactflash.org/faqs/faq.htm>.
-
-	  If your board has "Directly Connected" CompactFlash at area 5 or 6,
-	  you may want to enable this option.  Then, you can use CF as
-	  primary IDE drive (only tested for SanDisk).
-
-	  If in doubt, select 'N'.
-
-choice
-	prompt "Compact Flash Connection Area"
-	depends on CF_ENABLER
-	default CF_AREA6
-
-config CF_AREA5
-	bool "Area5"
-	help
-	  If your board has "Directly Connected" CompactFlash, You should
-	  select the area where your CF is connected to.
-
-	  - "Area5" if CompactFlash is connected to Area 5 (0x14000000)
-	  - "Area6" if it is connected to Area 6 (0x18000000)
-
-	  "Area6" will work for most boards.
-
-config CF_AREA6
-	bool "Area6"
-
-endchoice
-
-config CF_BASE_ADDR
-	hex
-	depends on CF_ENABLER
-	default "0xb8000000" if CF_AREA6
-	default "0xb4000000" if CF_AREA5
-
 menu "Processor features"
 
 choice
@@ -437,6 +188,261 @@
 
 endmenu
 
+menu "Board support"
+
+config SOLUTION_ENGINE
+	bool
+
+config SH_SOLUTION_ENGINE
+	bool "SolutionEngine"
+	select SOLUTION_ENGINE
+	depends on CPU_SUBTYPE_SH7709 || CPU_SUBTYPE_SH7750
+	help
+	  Select SolutionEngine if configuring for a Hitachi SH7709
+	  or SH7750 evaluation board.
+
+config SH_7206_SOLUTION_ENGINE
+	bool "SolutionEngine7206"
+	select SOLUTION_ENGINE
+	depends on CPU_SUBTYPE_SH7206
+	help
+	  Select 7206 SolutionEngine if configuring for a Hitachi SH7206
+	  evaluation board.
+
+config SH_7619_SOLUTION_ENGINE
+	bool "SolutionEngine7619"
+	select SOLUTION_ENGINE
+	depends on CPU_SUBTYPE_SH7619
+	help
+	  Select 7619 SolutionEngine if configuring for a Hitachi SH7619
+	  evaluation board.
+	
+config SH_7722_SOLUTION_ENGINE
+	bool "SolutionEngine7722"
+	select SOLUTION_ENGINE
+	depends on CPU_SUBTYPE_SH7722
+	help
+	  Select 7722 SolutionEngine if configuring for a Hitachi SH772
+	  evaluation board.
+
+config SH_7751_SOLUTION_ENGINE
+	bool "SolutionEngine7751"
+	select SOLUTION_ENGINE
+	depends on CPU_SUBTYPE_SH7751
+	help
+	  Select 7751 SolutionEngine if configuring for a Hitachi SH7751
+	  evaluation board.
+	  
+config SH_7780_SOLUTION_ENGINE
+	bool "SolutionEngine7780"
+	select SOLUTION_ENGINE
+	depends on CPU_SUBTYPE_SH7780
+	help
+	  Select 7780 SolutionEngine if configuring for a Renesas SH7780
+	  evaluation board.
+
+config SH_7300_SOLUTION_ENGINE
+	bool "SolutionEngine7300"
+	select SOLUTION_ENGINE
+	depends on CPU_SUBTYPE_SH7300
+	help
+	  Select 7300 SolutionEngine if configuring for a Hitachi
+	  SH7300(SH-Mobile V) evaluation board.
+
+config SH_7343_SOLUTION_ENGINE
+	bool "SolutionEngine7343"
+	select SOLUTION_ENGINE
+	depends on CPU_SUBTYPE_SH7343
+	help
+	  Select 7343 SolutionEngine if configuring for a Hitachi
+	  SH7343 (SH-Mobile 3AS) evaluation board.
+
+config SH_73180_SOLUTION_ENGINE
+	bool "SolutionEngine73180"
+	select SOLUTION_ENGINE
+	depends on CPU_SUBTYPE_SH73180
+	help
+	  Select 73180 SolutionEngine if configuring for a Hitachi
+	  SH73180(SH-Mobile 3) evaluation board.
+
+config SH_7751_SYSTEMH
+	bool "SystemH7751R"
+	depends on CPU_SUBTYPE_SH7751R
+	help
+	  Select SystemH if you are configuring for a Renesas SystemH
+	  7751R evaluation board.
+
+config SH_HP6XX
+	bool "HP6XX"
+	select SYS_SUPPORTS_APM_EMULATION
+	depends on CPU_SUBTYPE_SH7709
+	help
+	  Select HP6XX if configuring for a HP jornada HP6xx.
+	  More information (hardware only) at
+	  <http://www.hp.com/jornada/>.
+
+config SH_SATURN
+	bool "Saturn"
+	depends on CPU_SUBTYPE_SH7604
+	help
+	  Select Saturn if configuring for a SEGA Saturn.
+
+config SH_DREAMCAST
+	bool "Dreamcast"
+	depends on CPU_SUBTYPE_SH7091
+	help
+	  Select Dreamcast if configuring for a SEGA Dreamcast.
+	  More information at
+	  <http://www.m17n.org/linux-sh/dreamcast/>.  There is a
+	  Dreamcast project is at <http://linuxdc.sourceforge.net/>.
+
+config SH_MPC1211
+	bool "Interface MPC1211"
+	depends on CPU_SUBTYPE_SH7751 && BROKEN
+	help
+	  CTP/PCI-SH02 is a CPU module computer that is produced
+	  by Interface Corporation.
+	  More information at <http://www.interface.co.jp>
+
+config SH_SH03
+	bool "Interface CTP/PCI-SH03"
+	depends on CPU_SUBTYPE_SH7751 && BROKEN
+	help
+	  CTP/PCI-SH03 is a CPU module computer that is produced
+	  by Interface Corporation.
+	  More information at <http://www.interface.co.jp>
+
+config SH_SECUREEDGE5410
+	bool "SecureEdge5410"
+	depends on CPU_SUBTYPE_SH7751R
+	help
+	  Select SecureEdge5410 if configuring for a SnapGear SH board.
+	  This includes both the OEM SecureEdge products as well as the
+	  SME product line.
+
+config SH_HS7751RVOIP
+	bool "HS7751RVOIP"
+	depends on CPU_SUBTYPE_SH7751R
+	help
+	  Select HS7751RVOIP if configuring for a Renesas Technology
+	  Sales VoIP board.
+
+config SH_7710VOIPGW
+	bool "SH7710-VOIP-GW"
+	depends on CPU_SUBTYPE_SH7710
+	help
+	  Select this option to build a kernel for the SH7710 based
+	  VOIP GW.
+
+config SH_RTS7751R2D
+	bool "RTS7751R2D"
+	depends on CPU_SUBTYPE_SH7751R
+	help
+	  Select RTS7751R2D if configuring for a Renesas Technology
+	  Sales SH-Graphics board.
+
+config SH_HIGHLANDER
+	bool "Highlander"
+	depends on CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785
+
+config SH_EDOSK7705
+	bool "EDOSK7705"
+	depends on CPU_SUBTYPE_SH7705
+
+config SH_SH4202_MICRODEV
+	bool "SH4-202 MicroDev"
+	depends on CPU_SUBTYPE_SH4_202
+	help
+	  Select SH4-202 MicroDev if configuring for a SuperH MicroDev board
+	  with an SH4-202 CPU.
+
+config SH_LANDISK
+	bool "LANDISK"
+	depends on CPU_SUBTYPE_SH7751R
+	help
+	  I-O DATA DEVICE, INC. "LANDISK Series" support.
+
+config SH_TITAN
+	bool "TITAN"
+	depends on CPU_SUBTYPE_SH7751R
+	help
+	  Select Titan if you are configuring for a Nimble Microsystems
+	  NetEngine NP51R.
+
+config SH_SHMIN
+	bool "SHMIN"
+	depends on CPU_SUBTYPE_SH7706
+	help
+	  Select SHMIN if configuring for the SHMIN board.
+
+config SH_LBOX_RE2
+	bool "L-BOX RE2"
+	depends on CPU_SUBTYPE_SH7751R
+	help
+	  Select L-BOX RE2 if configuring for the NTT COMWARE L-BOX RE2.
+
+config SH_UNKNOWN
+	bool "BareCPU"
+	help
+	  "Bare CPU" aka "unknown" means an SH-based system which is not one
+	  of the specific ones mentioned above, which means you need to enter
+	  all sorts of stuff like CONFIG_MEMORY_START because the config
+	  system doesn't already know what it is.  You get a machine vector
+	  without any platform-specific code in it, so things like the RTC may
+	  not work.
+
+	  This option is for the early stages of porting to a new machine.
+
+endmenu
+
+source "arch/sh/boards/renesas/hs7751rvoip/Kconfig"
+source "arch/sh/boards/renesas/rts7751r2d/Kconfig"
+source "arch/sh/boards/renesas/r7780rp/Kconfig"
+
+config CF_ENABLER
+	bool "Compact Flash Enabler support"
+	depends on SH_SOLUTION_ENGINE || SH_UNKNOWN || SH_SH03
+	---help---
+	  Compact Flash is a small, removable mass storage device introduced
+	  in 1994 originally as a PCMCIA device.  If you say `Y' here, you
+	  compile in support for Compact Flash devices directly connected to
+	  a SuperH processor.  A Compact Flash FAQ is available at
+	  <http://www.compactflash.org/faqs/faq.htm>.
+
+	  If your board has "Directly Connected" CompactFlash at area 5 or 6,
+	  you may want to enable this option.  Then, you can use CF as
+	  primary IDE drive (only tested for SanDisk).
+
+	  If in doubt, select 'N'.
+
+choice
+	prompt "Compact Flash Connection Area"
+	depends on CF_ENABLER
+	default CF_AREA6
+
+config CF_AREA5
+	bool "Area5"
+	help
+	  If your board has "Directly Connected" CompactFlash, You should
+	  select the area where your CF is connected to.
+
+	  - "Area5" if CompactFlash is connected to Area 5 (0x14000000)
+	  - "Area6" if it is connected to Area 6 (0x18000000)
+
+	  "Area6" will work for most boards.
+
+config CF_AREA6
+	bool "Area6"
+
+endchoice
+
+config CF_BASE_ADDR
+	hex
+	depends on CF_ENABLER
+	default "0xb8000000" if CF_AREA6
+	default "0xb4000000" if CF_AREA5
+
+
 menu "Timer and clock configuration"
 
 config SH_TMU
diff --git a/arch/sh/boards/renesas/r7780rp/Kconfig b/arch/sh/boards/renesas/r7780rp/Kconfig
index 9fb1164..fc8f28e 100644
--- a/arch/sh/boards/renesas/r7780rp/Kconfig
+++ b/arch/sh/boards/renesas/r7780rp/Kconfig
@@ -6,18 +6,18 @@
 
 config SH_R7780RP
 	bool "R7780RP-1 board support"
-	select CPU_SUBTYPE_SH7780
+	depends on CPU_SUBTYPE_SH7780
 
 config SH_R7780MP
 	bool "R7780MP board support"
-	select CPU_SUBTYPE_SH7780
+	depends on CPU_SUBTYPE_SH7780
 	help
 	  Selecting this option will enable support for the mass-production
 	  version of the R7780RP. If in doubt, say Y.
 
 config SH_R7785RP
 	bool "R7785RP board support"
-	select CPU_SUBTYPE_SH7785
+	depends on CPU_SUBTYPE_SH7785
 
 endchoice
 
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index 253346d..8f826b0 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -1,5 +1,3 @@
-menu "Processor selection"
-
 #
 # Processor families
 #
@@ -38,11 +36,14 @@
 config CPU_SHX2
 	bool
 
+choice
+	prompt "Processor sub-type selection"
+
 #
 # Processor subtypes
 #
 
-comment "SH-2 Processor Support"
+# SH-2 Processor Support
 
 config CPU_SUBTYPE_SH7604
 	bool "Support SH7604 processor"
@@ -52,13 +53,13 @@
 	bool "Support SH7619 processor"
 	select CPU_SH2
 
-comment "SH-2A Processor Support"
+# SH-2A Processor Support
 
 config CPU_SUBTYPE_SH7206
 	bool "Support SH7206 processor"
 	select CPU_SH2A
 
-comment "SH-3 Processor Support"
+# SH-3 Processor Support
 
 config CPU_SUBTYPE_SH7300
 	bool "Support SH7300 processor"
@@ -113,7 +114,7 @@
 	help
 	  Select SH7712 if you have a SH3-DSP SH7712 CPU.
 
-comment "SH-4 Processor Support"
+# SH-4 Processor Support
 
 config CPU_SUBTYPE_SH7750
 	bool "Support SH7750 processor"
@@ -166,7 +167,7 @@
 	bool "Support SH4-202 processor"
 	select CPU_SH4
 
-comment "ST40 Processor Support"
+# ST40 Processor Support
 
 config CPU_SUBTYPE_ST40STB1
 	bool "Support ST40STB1/ST40RA processors"
@@ -181,7 +182,7 @@
 	help
 	  Select ST40GX1 if you have a ST40GX1 CPU.
 
-comment "SH-4A Processor Support"
+# SH-4A Processor Support
 
 config CPU_SUBTYPE_SH7770
 	bool "Support SH7770 processor"
@@ -198,7 +199,7 @@
 	select CPU_SHX2
 	select CPU_HAS_INTC2_IRQ
 
-comment "SH4AL-DSP Processor Support"
+# SH4AL-DSP Processor Support
 
 config CPU_SUBTYPE_SH73180
 	bool "Support SH73180 processor"
@@ -214,7 +215,7 @@
 	select CPU_SHX2
 	select CPU_HAS_IPR_IRQ
 
-endmenu
+endchoice
 
 menu "Memory management options"