summaryrefslogtreecommitdiffstats
path: root/arch/m68k/Kconfig
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--arch/m68k/Kconfig9
-rw-r--r--arch/m68k/Kconfig.cpu12
-rw-r--r--arch/m68k/Kconfig.machine4
3 files changed, 20 insertions, 5 deletions
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index 3e318bf950..4b3e93cac7 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -6,19 +6,22 @@ config M68K
select ARCH_HAS_BINFMT_FLAT
select ARCH_HAS_CPU_FINALIZE_INIT if MMU
select ARCH_HAS_CURRENT_STACK_POINTER
- select ARCH_HAS_DMA_PREP_COHERENT if HAS_DMA && MMU && !COLDFIRE
- select ARCH_HAS_SYNC_DMA_FOR_DEVICE if HAS_DMA
+ select ARCH_HAS_DMA_PREP_COHERENT if M68K_NONCOHERENT_DMA && !COLDFIRE
+ select ARCH_HAS_SYNC_DMA_FOR_DEVICE if M68K_NONCOHERENT_DMA
select ARCH_HAVE_NMI_SAFE_CMPXCHG if RMW_INSNS
select ARCH_MIGHT_HAVE_PC_PARPORT if ISA
select ARCH_NO_PREEMPT if !COLDFIRE
select ARCH_USE_MEMTEST if MMU_MOTOROLA
select ARCH_WANT_IPC_PARSE_VERSION
select BINFMT_FLAT_ARGVP_ENVP_ON_STACK
- select DMA_DIRECT_REMAP if HAS_DMA && MMU && !COLDFIRE
+ select DMA_DIRECT_REMAP if M68K_NONCOHERENT_DMA && !COLDFIRE
select GENERIC_ATOMIC64
select GENERIC_CPU_DEVICES
select GENERIC_IOMAP
select GENERIC_IRQ_SHOW
+ select GENERIC_LIB_ASHLDI3
+ select GENERIC_LIB_ASHRDI3
+ select GENERIC_LIB_LSHRDI3
select HAS_IOPORT if PCI || ISA || ATARI_ROM_ISA
select HAVE_ARCH_SECCOMP
select HAVE_ARCH_SECCOMP_FILTER
diff --git a/arch/m68k/Kconfig.cpu b/arch/m68k/Kconfig.cpu
index b826e9c677..ad69b466a0 100644
--- a/arch/m68k/Kconfig.cpu
+++ b/arch/m68k/Kconfig.cpu
@@ -535,3 +535,15 @@ config CACHE_COPYBACK
The ColdFire CPU cache is set into Copy-back mode.
endchoice
endif # HAVE_CACHE_CB
+
+# Coldfire cores that do not have a data cache configured can do coherent DMA.
+config COLDFIRE_COHERENT_DMA
+ bool
+ default y
+ depends on COLDFIRE
+ depends on !HAVE_CACHE_CB && !CACHE_D && !CACHE_BOTH
+
+config M68K_NONCOHERENT_DMA
+ bool
+ default y
+ depends on HAS_DMA && !COLDFIRE_COHERENT_DMA
diff --git a/arch/m68k/Kconfig.machine b/arch/m68k/Kconfig.machine
index 1f3574aef6..d06b1c5d9b 100644
--- a/arch/m68k/Kconfig.machine
+++ b/arch/m68k/Kconfig.machine
@@ -441,7 +441,7 @@ config ROM
config ROMVEC
hex "Address of the base of the ROM vectors"
- default "0"
+ default "0x10c10000"
depends on ROM
help
This is almost always the same as the base of the ROM. Since on all
@@ -450,7 +450,7 @@ config ROMVEC
config ROMSTART
hex "Address of the base of system image in ROM"
- default "0x400"
+ default "0x10c10400"
depends on ROM
help
Define the start address of the system image in ROM. Commonly this