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-rw-r--r--arch/m68k/Kconfig.cpu123
1 files changed, 92 insertions, 31 deletions
diff --git a/arch/m68k/Kconfig.cpu b/arch/m68k/Kconfig.cpu
index e632b2d1210..33013dfcd3e 100644
--- a/arch/m68k/Kconfig.cpu
+++ b/arch/m68k/Kconfig.cpu
@@ -1,8 +1,45 @@
comment "Processor Type"
+choice
+ prompt "CPU family support"
+ default M68KCLASSIC if MMU
+ default COLDFIRE if !MMU
+ help
+ The Freescale (was Motorola) M68K family of processors implements
+ the full 68000 processor instruction set.
+ The Freescale ColdFire family of processors is a modern derivative
+ of the 68000 processor family. They are mainly targeted at embedded
+ applications, and are all System-On-Chip (SOC) devices, as opposed
+ to stand alone CPUs. They implement a subset of the original 68000
+ processor instruction set.
+ If you anticipate running this kernel on a computer with a classic
+ MC68xxx processor, select M68KCLASSIC.
+ If you anticipate running this kernel on a computer with a ColdFire
+ processor, select COLDFIRE.
+
+config M68KCLASSIC
+ bool "Classic M68K CPU family support"
+
+config COLDFIRE
+ bool "Coldfire CPU family support"
+ select ARCH_REQUIRE_GPIOLIB
+ select ARCH_HAVE_CUSTOM_GPIO_H
+ select CPU_HAS_NO_BITFIELDS
+ select CPU_HAS_NO_MULDIV64
+ select GENERIC_CSUM
+ select HAVE_CLK
+
+endchoice
+
+if M68KCLASSIC
+
config M68000
- bool
+ bool "MC68000"
+ depends on !MMU
select CPU_HAS_NO_BITFIELDS
+ select CPU_HAS_NO_MULDIV64
+ select CPU_HAS_NO_UNALIGNED
+ select GENERIC_CSUM
help
The Freescale (was Motorola) 68000 CPU is the first generation of
the well known M68K family of processors. The CPU core as well as
@@ -13,26 +50,16 @@ config M68000
config MCPU32
bool
select CPU_HAS_NO_BITFIELDS
+ select CPU_HAS_NO_UNALIGNED
help
The Freescale (was then Motorola) CPU32 is a CPU core that is
based on the 68020 processor. For the most part it is used in
System-On-Chip parts, and does not contain a paging MMU.
-config COLDFIRE
- bool
- select GENERIC_GPIO
- select ARCH_REQUIRE_GPIOLIB
- select CPU_HAS_NO_BITFIELDS
- help
- The Freescale ColdFire family of processors is a modern derivitive
- of the 68000 processor family. They are mainly targeted at embedded
- applications, and are all System-On-Chip (SOC) devices, as opposed
- to stand alone CPUs. They implement a subset of the original 68000
- processor instruction set.
-
config M68020
bool "68020 support"
depends on MMU
+ select CPU_HAS_ADDRESS_SPACES
help
If you anticipate running this kernel on a computer with a MC68020
processor, say Y. Otherwise, say N. Note that the 68020 requires a
@@ -42,6 +69,7 @@ config M68020
config M68030
bool "68030 support"
depends on MMU && !MMU_SUN3
+ select CPU_HAS_ADDRESS_SPACES
help
If you anticipate running this kernel on a computer with a MC68030
processor, say Y. Otherwise, say N. Note that a MC68EC030 will not
@@ -50,6 +78,7 @@ config M68030
config M68040
bool "68040 support"
depends on MMU && !MMU_SUN3
+ select CPU_HAS_ADDRESS_SPACES
help
If you anticipate running this kernel on a computer with a MC68LC040
or MC68040 processor, say Y. Otherwise, say N. Note that an
@@ -59,6 +88,7 @@ config M68040
config M68060
bool "68060 support"
depends on MMU && !MMU_SUN3
+ select CPU_HAS_ADDRESS_SPACES
help
If you anticipate running this kernel on a computer with a MC68060
processor, say Y. Otherwise, say N.
@@ -91,10 +121,13 @@ config M68360
help
Motorola 68360 processor support.
+endif # M68KCLASSIC
+
+if COLDFIRE
+
config M5206
bool "MCF5206"
depends on !MMU
- select COLDFIRE
select COLDFIRE_SW_A7
select HAVE_MBAR
help
@@ -103,7 +136,6 @@ config M5206
config M5206e
bool "MCF5206e"
depends on !MMU
- select COLDFIRE
select COLDFIRE_SW_A7
select HAVE_MBAR
help
@@ -112,7 +144,6 @@ config M5206e
config M520x
bool "MCF520x"
depends on !MMU
- select COLDFIRE
select GENERIC_CLOCKEVENTS
select HAVE_CACHE_SPLIT
help
@@ -121,7 +152,6 @@ config M520x
config M523x
bool "MCF523x"
depends on !MMU
- select COLDFIRE
select GENERIC_CLOCKEVENTS
select HAVE_CACHE_SPLIT
select HAVE_IPSBAR
@@ -131,19 +161,25 @@ config M523x
config M5249
bool "MCF5249"
depends on !MMU
- select COLDFIRE
select COLDFIRE_SW_A7
select HAVE_MBAR
help
Motorola ColdFire 5249 processor support.
+config M525x
+ bool "MCF525x"
+ depends on !MMU
+ select COLDFIRE_SW_A7
+ select HAVE_MBAR
+ help
+ Freescale (Motorola) Coldfire 5251/5253 processor support.
+
config M527x
bool
config M5271
bool "MCF5271"
depends on !MMU
- select COLDFIRE
select M527x
select HAVE_CACHE_SPLIT
select HAVE_IPSBAR
@@ -154,7 +190,6 @@ config M5271
config M5272
bool "MCF5272"
depends on !MMU
- select COLDFIRE
select COLDFIRE_SW_A7
select HAVE_MBAR
help
@@ -163,7 +198,6 @@ config M5272
config M5275
bool "MCF5275"
depends on !MMU
- select COLDFIRE
select M527x
select HAVE_CACHE_SPLIT
select HAVE_IPSBAR
@@ -174,7 +208,6 @@ config M5275
config M528x
bool "MCF528x"
depends on !MMU
- select COLDFIRE
select GENERIC_CLOCKEVENTS
select HAVE_CACHE_SPLIT
select HAVE_IPSBAR
@@ -184,25 +217,34 @@ config M528x
config M5307
bool "MCF5307"
depends on !MMU
- select COLDFIRE
select COLDFIRE_SW_A7
select HAVE_CACHE_CB
select HAVE_MBAR
help
Motorola ColdFire 5307 processor support.
+config M53xx
+ bool
+
config M532x
bool "MCF532x"
depends on !MMU
- select COLDFIRE
+ select M53xx
select HAVE_CACHE_CB
help
Freescale (Motorola) ColdFire 532x processor support.
+config M537x
+ bool "MCF537x"
+ depends on !MMU
+ select M53xx
+ select HAVE_CACHE_CB
+ help
+ Freescale ColdFire 537x processor support.
+
config M5407
bool "MCF5407"
depends on !MMU
- select COLDFIRE
select COLDFIRE_SW_A7
select HAVE_CACHE_CB
select HAVE_MBAR
@@ -214,9 +256,8 @@ config M54xx
config M547x
bool "MCF547x"
- depends on !MMU
- select COLDFIRE
select M54xx
+ select MMU_COLDFIRE if MMU
select HAVE_CACHE_CB
select HAVE_MBAR
help
@@ -224,21 +265,29 @@ config M547x
config M548x
bool "MCF548x"
- depends on !MMU
- select COLDFIRE
+ select MMU_COLDFIRE if MMU
select M54xx
select HAVE_CACHE_CB
select HAVE_MBAR
help
Freescale ColdFire 5480/5481/5482/5483/5484/5485 processor support.
+config M5441x
+ bool "MCF5441x"
+ depends on !MMU
+ select GENERIC_CLOCKEVENTS
+ select HAVE_CACHE_CB
+ help
+ Freescale Coldfire 54410/54415/54416/54417/54418 processor support.
+
+endif # COLDFIRE
+
comment "Processor Specific Options"
config M68KFPU_EMU
- bool "Math emulation support (EXPERIMENTAL)"
+ bool "Math emulation support"
depends on MMU
- depends on EXPERIMENTAL
help
At some point in the future, this will cause floating-point math
instructions to be emulated by the kernel on machines that lack a
@@ -337,6 +386,18 @@ config NODES_SHIFT
default "3"
depends on !SINGLE_MEMORY_CHUNK
+config CPU_HAS_NO_BITFIELDS
+ bool
+
+config CPU_HAS_NO_MULDIV64
+ bool
+
+config CPU_HAS_NO_UNALIGNED
+ bool
+
+config CPU_HAS_ADDRESS_SPACES
+ bool
+
config FPU
bool