diff options
Diffstat (limited to 'arch/m68k/Kconfig.cpu')
| -rw-r--r-- | arch/m68k/Kconfig.cpu | 76 |
1 files changed, 62 insertions, 14 deletions
diff --git a/arch/m68k/Kconfig.cpu b/arch/m68k/Kconfig.cpu index 694c4fca9f5d..f4d23977d2a5 100644 --- a/arch/m68k/Kconfig.cpu +++ b/arch/m68k/Kconfig.cpu @@ -20,6 +20,7 @@ choice config M68KCLASSIC bool "Classic M68K CPU family support" + select HAVE_ARCH_PFN_VALID config COLDFIRE bool "Coldfire CPU family support" @@ -35,7 +36,7 @@ endchoice if M68KCLASSIC config M68000 - bool "MC68000" + bool depends on !MMU select CPU_HAS_NO_BITFIELDS select CPU_HAS_NO_MULDIV64 @@ -102,22 +103,25 @@ config M68060 processor, say Y. Otherwise, say N. config M68328 - bool "MC68328" + bool depends on !MMU + select LEGACY_TIMER_TICK select M68000 help Motorola 68328 processor support. config M68EZ328 - bool "MC68EZ328" + bool depends on !MMU + select LEGACY_TIMER_TICK select M68000 help Motorola 68EX328 processor support. config M68VZ328 - bool "MC68VZ328" + bool depends on !MMU + select LEGACY_TIMER_TICK select M68000 help Motorola 68VZ328 processor support. @@ -137,6 +141,7 @@ config M5206 bool "MCF5206" depends on !MMU select COLDFIRE_SW_A7 + select COLDFIRE_TIMERS select HAVE_MBAR select CPU_NO_EFFICIENT_FFS help @@ -146,6 +151,7 @@ config M5206e bool "MCF5206e" depends on !MMU select COLDFIRE_SW_A7 + select COLDFIRE_TIMERS select HAVE_MBAR select CPU_NO_EFFICIENT_FFS help @@ -154,7 +160,7 @@ config M5206e config M520x bool "MCF520x" depends on !MMU - select GENERIC_CLOCKEVENTS + select COLDFIRE_PIT_TIMER select HAVE_CACHE_SPLIT help Freescale Coldfire 5207/5208 processor support. @@ -162,7 +168,7 @@ config M520x config M523x bool "MCF523x" depends on !MMU - select GENERIC_CLOCKEVENTS + select COLDFIRE_PIT_TIMER select HAVE_CACHE_SPLIT select HAVE_IPSBAR help @@ -172,6 +178,7 @@ config M5249 bool "MCF5249" depends on !MMU select COLDFIRE_SW_A7 + select COLDFIRE_TIMERS select HAVE_MBAR select CPU_NO_EFFICIENT_FFS help @@ -181,6 +188,7 @@ config M525x bool "MCF525x" depends on !MMU select COLDFIRE_SW_A7 + select COLDFIRE_TIMERS select HAVE_MBAR select CPU_NO_EFFICIENT_FFS help @@ -189,10 +197,10 @@ config M525x config M5271 bool "MCF5271" depends on !MMU + select COLDFIRE_PIT_TIMER select M527x select HAVE_CACHE_SPLIT select HAVE_IPSBAR - select GENERIC_CLOCKEVENTS help Freescale (Motorola) ColdFire 5270/5271 processor support. @@ -200,6 +208,7 @@ config M5272 bool "MCF5272" depends on !MMU select COLDFIRE_SW_A7 + select COLDFIRE_TIMERS select HAVE_MBAR select CPU_NO_EFFICIENT_FFS help @@ -208,17 +217,17 @@ config M5272 config M5275 bool "MCF5275" depends on !MMU + select COLDFIRE_PIT_TIMER select M527x select HAVE_CACHE_SPLIT select HAVE_IPSBAR - select GENERIC_CLOCKEVENTS help Freescale (Motorola) ColdFire 5274/5275 processor support. config M528x bool "MCF528x" depends on !MMU - select GENERIC_CLOCKEVENTS + select COLDFIRE_PIT_TIMER select HAVE_CACHE_SPLIT select HAVE_IPSBAR help @@ -227,6 +236,7 @@ config M528x config M5307 bool "MCF5307" depends on !MMU + select COLDFIRE_TIMERS select COLDFIRE_SW_A7 select HAVE_CACHE_CB select HAVE_MBAR @@ -237,6 +247,7 @@ config M5307 config M532x bool "MCF532x" depends on !MMU + select COLDFIRE_TIMERS select M53xx select HAVE_CACHE_CB help @@ -245,6 +256,7 @@ config M532x config M537x bool "MCF537x" depends on !MMU + select COLDFIRE_TIMERS select M53xx select HAVE_CACHE_CB help @@ -254,6 +266,7 @@ config M5407 bool "MCF5407" depends on !MMU select COLDFIRE_SW_A7 + select COLDFIRE_TIMERS select HAVE_CACHE_CB select HAVE_MBAR select CPU_NO_EFFICIENT_FFS @@ -263,6 +276,7 @@ config M5407 config M547x bool "MCF547x" select M54xx + select COLDFIRE_SLTIMERS select MMU_COLDFIRE if MMU select FPU if MMU select HAVE_CACHE_CB @@ -273,6 +287,7 @@ config M547x config M548x bool "MCF548x" + select COLDFIRE_SLTIMERS select MMU_COLDFIRE if MMU select FPU if MMU select M54xx @@ -284,8 +299,8 @@ config M548x config M5441x bool "MCF5441x" + select COLDFIRE_PIT_TIMER select MMU_COLDFIRE if MMU - select GENERIC_CLOCKEVENTS select HAVE_CACHE_CB help Freescale Coldfire 54410/54415/54416/54417/54418 processor support. @@ -302,6 +317,17 @@ config M54xx select HAVE_PCI bool +config COLDFIRE_PIT_TIMER + bool + +config COLDFIRE_TIMERS + bool + select LEGACY_TIMER_TICK + +config COLDFIRE_SLTIMERS + bool + select LEGACY_TIMER_TICK + endif # COLDFIRE @@ -373,16 +399,38 @@ config RMW_INSNS config SINGLE_MEMORY_CHUNK bool "Use one physical chunk of memory only" if ADVANCED && !SUN3 depends on MMU - default y if SUN3 - select NEED_MULTIPLE_NODES + default y if SUN3 || MMU_COLDFIRE help Ignore all but the first contiguous chunk of physical memory for VM purposes. This will save a few bytes kernel size and may speed up - some operations. Say N if not sure. + some operations. + When this option os set to N, you may want to lower "Maximum zone + order" to save memory that could be wasted for unused memory map. + Say N if not sure. config ARCH_DISCONTIGMEM_ENABLE + depends on BROKEN def_bool MMU && !SINGLE_MEMORY_CHUNK +config FORCE_MAX_ZONEORDER + int "Maximum zone order" if ADVANCED + depends on !SINGLE_MEMORY_CHUNK + default "11" + help + The kernel memory allocator divides physically contiguous memory + blocks into "zones", where each zone is a power of two number of + pages. This option selects the largest power of two that the kernel + keeps in the memory allocator. If you need to allocate very large + blocks of physically contiguous memory, then you may need to + increase this value. + + For systems that have holes in their physical address space this + value also defines the minimal size of the hole that allows + freeing unused memory map. + + This config option is actually maximum order plus one. For example, + a value of 11 means that the largest free memory block is 2^10 pages. + config 060_WRITETHROUGH bool "Use write-through caching for 68060 supervisor accesses" depends on ADVANCED && M68060 @@ -406,7 +454,7 @@ config M68K_L2_CACHE config NODES_SHIFT int default "3" - depends on !SINGLE_MEMORY_CHUNK + depends on DISCONTIGMEM config CPU_HAS_NO_BITFIELDS bool |