diff options
Diffstat (limited to 'arch/sh/Kconfig')
| -rw-r--r-- | arch/sh/Kconfig | 476 |
1 files changed, 329 insertions, 147 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index ebabe518e72..834b67c4db5 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -1,19 +1,48 @@ -# -# For a description of the syntax of this configuration file, -# see Documentation/kbuild/kconfig-language.txt. -# - -mainmenu "Linux/SuperH Kernel Configuration" - config SUPERH def_bool y - select EMBEDDED - select HAVE_CLK - select HAVE_IDE + select ARCH_MIGHT_HAVE_PC_PARPORT + select EXPERT + select CLKDEV_LOOKUP + select HAVE_IDE if HAS_IOPORT_MAP + select HAVE_MEMBLOCK + select HAVE_MEMBLOCK_NODE_MAP + select ARCH_DISCARD_MEMBLOCK select HAVE_OPROFILE select HAVE_GENERIC_DMA_COHERENT - select HAVE_IOREMAP_PROT if MMU select HAVE_ARCH_TRACEHOOK + select HAVE_DMA_API_DEBUG + select HAVE_DMA_ATTRS + select HAVE_PERF_EVENTS + select HAVE_DEBUG_BUGVERBOSE + select ARCH_HAVE_CUSTOM_GPIO_H + select ARCH_HAVE_NMI_SAFE_CMPXCHG if (GUSA_RB || CPU_SH4A) + select PERF_USE_VMALLOC + select HAVE_DEBUG_KMEMLEAK + select HAVE_KERNEL_GZIP + select HAVE_KERNEL_BZIP2 + select HAVE_KERNEL_LZMA + select HAVE_KERNEL_XZ + select HAVE_KERNEL_LZO + select HAVE_UID16 + select ARCH_WANT_IPC_PARSE_VERSION + select HAVE_SYSCALL_TRACEPOINTS + select HAVE_REGS_AND_STACK_ACCESS_API + select MAY_HAVE_SPARSE_IRQ + select IRQ_FORCED_THREADING + select RTC_LIB + select GENERIC_ATOMIC64 + select GENERIC_IRQ_SHOW + select GENERIC_SMP_IDLE_THREAD + select GENERIC_IDLE_POLL_SETUP + select GENERIC_CLOCKEVENTS + select GENERIC_CMOS_UPDATE if SH_SH03 || SH_DREAMCAST + select GENERIC_STRNCPY_FROM_USER + select GENERIC_STRNLEN_USER + select HAVE_MOD_ARCH_SPECIFIC if DWARF_UNWINDER + select MODULES_USE_ELF_RELA + select OLD_SIGSUSPEND + select OLD_SIGACTION + select HAVE_ARCH_AUDITSYSCALL help The SuperH is a RISC processor targeted for use in embedded systems and consumer electronics; it was also used in the Sega Dreamcast @@ -21,16 +50,28 @@ config SUPERH <http://www.linux-sh.org/>. config SUPERH32 - def_bool !SUPERH64 + def_bool ARCH = "sh" select HAVE_KPROBES select HAVE_KRETPROBES + select HAVE_IOREMAP_PROT if MMU && !X2TLB select HAVE_FUNCTION_TRACER select HAVE_FTRACE_MCOUNT_RECORD select HAVE_DYNAMIC_FTRACE + select HAVE_FUNCTION_TRACE_MCOUNT_TEST + select HAVE_FTRACE_NMI_ENTER if DYNAMIC_FTRACE + select ARCH_WANT_IPC_PARSE_VERSION + select HAVE_FUNCTION_GRAPH_TRACER select HAVE_ARCH_KGDB + select HAVE_HW_BREAKPOINT + select HAVE_MIXED_BREAKPOINTS_REGS + select PERF_EVENTS + select ARCH_HIBERNATION_POSSIBLE if MMU + select SPARSE_IRQ + select HAVE_CC_STACKPROTECTOR config SUPERH64 - def_bool y if CPU_SH5 + def_bool ARCH = "sh64" + select KALLSYMS config ARCH_DEFCONFIG string @@ -47,47 +88,20 @@ config GENERIC_BUG def_bool y depends on BUG && SUPERH32 -config GENERIC_FIND_NEXT_BIT +config GENERIC_CSUM def_bool y + depends on SUPERH64 config GENERIC_HWEIGHT def_bool y -config GENERIC_HARDIRQS - def_bool y - -config GENERIC_HARDIRQS_NO__DO_IRQ - def_bool y - -config GENERIC_IRQ_PROBE - def_bool y - -config GENERIC_GPIO - def_bool n - config GENERIC_CALIBRATE_DELAY bool -config GENERIC_IOMAP - bool - -config GENERIC_TIME - def_bool n - -config GENERIC_CLOCKEVENTS - def_bool n - -config GENERIC_CLOCKEVENTS_BROADCAST - bool - config GENERIC_LOCKBREAK def_bool y depends on SMP && PREEMPT -config SYS_SUPPORTS_PM - bool - depends on !SMP - config ARCH_SUSPEND_POSSIBLE def_bool n @@ -98,6 +112,9 @@ config SYS_SUPPORTS_APM_EMULATION bool select ARCH_SUSPEND_POSSIBLE +config SYS_SUPPORTS_HUGETLBFS + bool + config SYS_SUPPORTS_SMP bool @@ -115,7 +132,6 @@ config LOCKDEP_SUPPORT config HAVE_LATENCYTOP_SUPPORT def_bool y - depends on !SMP config ARCH_HAS_ILOG2_U32 def_bool n @@ -123,12 +139,29 @@ config ARCH_HAS_ILOG2_U32 config ARCH_HAS_ILOG2_U64 def_bool n -config ARCH_NO_VIRT_TO_BUS - def_bool y +config NO_IOPORT_MAP + def_bool !PCI + depends on !SH_CAYMAN && !SH_SH4202_MICRODEV && !SH_SHMIN && \ + !SH_HP6XX && !SH_SOLUTION_ENGINE config IO_TRAPPED bool +config SWAP_IO_SPACE + bool + +config DMA_COHERENT + bool + +config DMA_NONCOHERENT + def_bool !DMA_COHERENT + +config NEED_DMA_MAP_STATE + def_bool DMA_NONCOHERENT + +config NEED_SG_DMA_LENGTH + def_bool y + source "init/Kconfig" source "kernel/Kconfig.freezer" @@ -144,18 +177,21 @@ config CPU_SH2 config CPU_SH2A bool select CPU_SH2 + select UNCACHED_MAPPING config CPU_SH3 bool select CPU_HAS_INTEVT select CPU_HAS_SR_RB + select SYS_SUPPORTS_SH_TMU config CPU_SH4 bool select CPU_HAS_INTEVT select CPU_HAS_SR_RB - select CPU_HAS_PTEA if !CPU_SH4A || CPU_SHX2 select CPU_HAS_FPU if !CPU_SH4AL_DSP + select SYS_SUPPORTS_SH_TMU + select SYS_SUPPORTS_HUGETLBFS if MMU config CPU_SH4A bool @@ -169,12 +205,30 @@ config CPU_SH4AL_DSP config CPU_SH5 bool select CPU_HAS_FPU + select SYS_SUPPORTS_SH_TMU + select SYS_SUPPORTS_HUGETLBFS if MMU config CPU_SHX2 bool config CPU_SHX3 bool + select DMA_COHERENT + select SYS_SUPPORTS_SMP + select SYS_SUPPORTS_NUMA + +config ARCH_SHMOBILE + bool + select ARCH_SUSPEND_POSSIBLE + select PM + select PM_RUNTIME + +config CPU_HAS_PMU + depends on CPU_SH4 || CPU_SH4A + default y + bool + +if SUPERH32 choice prompt "Processor sub-type selection" @@ -188,6 +242,7 @@ choice config CPU_SUBTYPE_SH7619 bool "Support SH7619 processor" select CPU_SH2 + select SYS_SUPPORTS_SH_CMT # SH-2A Processor Support @@ -195,24 +250,50 @@ config CPU_SUBTYPE_SH7201 bool "Support SH7201 processor" select CPU_SH2A select CPU_HAS_FPU + select SYS_SUPPORTS_SH_MTU2 config CPU_SUBTYPE_SH7203 bool "Support SH7203 processor" select CPU_SH2A select CPU_HAS_FPU + select SYS_SUPPORTS_SH_CMT + select SYS_SUPPORTS_SH_MTU2 + select ARCH_WANT_OPTIONAL_GPIOLIB + select PINCTRL config CPU_SUBTYPE_SH7206 bool "Support SH7206 processor" select CPU_SH2A + select SYS_SUPPORTS_SH_CMT + select SYS_SUPPORTS_SH_MTU2 config CPU_SUBTYPE_SH7263 bool "Support SH7263 processor" select CPU_SH2A select CPU_HAS_FPU + select SYS_SUPPORTS_SH_CMT + select SYS_SUPPORTS_SH_MTU2 + +config CPU_SUBTYPE_SH7264 + bool "Support SH7264 processor" + select CPU_SH2A + select CPU_HAS_FPU + select SYS_SUPPORTS_SH_CMT + select SYS_SUPPORTS_SH_MTU2 + select PINCTRL + +config CPU_SUBTYPE_SH7269 + bool "Support SH7269 processor" + select CPU_SH2A + select CPU_HAS_FPU + select SYS_SUPPORTS_SH_CMT + select SYS_SUPPORTS_SH_MTU2 + select PINCTRL config CPU_SUBTYPE_MXG bool "Support MX-G processor" select CPU_SH2A + select SYS_SUPPORTS_SH_MTU2 help Select MX-G if running on an R8A03022BG part. @@ -265,6 +346,10 @@ config CPU_SUBTYPE_SH7720 bool "Support SH7720 processor" select CPU_SH3 select CPU_HAS_DSP + select SYS_SUPPORTS_SH_CMT + select ARCH_WANT_OPTIONAL_GPIOLIB + select USB_OHCI_SH if USB_OHCI_HCD + select PINCTRL help Select SH7720 if you have a SH3-DSP SH7720 CPU. @@ -272,6 +357,8 @@ config CPU_SUBTYPE_SH7721 bool "Support SH7721 processor" select CPU_SH3 select CPU_HAS_DSP + select SYS_SUPPORTS_SH_CMT + select USB_OHCI_SH if USB_OHCI_HCD help Select SH7721 if you have a SH3-DSP SH7721 CPU. @@ -323,13 +410,48 @@ config CPU_SUBTYPE_SH7723 bool "Support SH7723 processor" select CPU_SH4A select CPU_SHX2 + select ARCH_SHMOBILE select ARCH_SPARSEMEM_ENABLE + select SYS_SUPPORTS_SH_CMT + select ARCH_WANT_OPTIONAL_GPIOLIB + select PINCTRL help Select SH7723 if you have an SH-MobileR2 CPU. +config CPU_SUBTYPE_SH7724 + bool "Support SH7724 processor" + select CPU_SH4A + select CPU_SHX2 + select ARCH_SHMOBILE + select ARCH_SPARSEMEM_ENABLE + select SYS_SUPPORTS_SH_CMT + select ARCH_WANT_OPTIONAL_GPIOLIB + select PINCTRL + help + Select SH7724 if you have an SH-MobileR2R CPU. + +config CPU_SUBTYPE_SH7734 + bool "Support SH7734 processor" + select CPU_SH4A + select CPU_SHX2 + select ARCH_WANT_OPTIONAL_GPIOLIB + select PINCTRL + help + Select SH7734 if you have a SH4A SH7734 CPU. + +config CPU_SUBTYPE_SH7757 + bool "Support SH7757 processor" + select CPU_SH4A + select CPU_SHX2 + select ARCH_WANT_OPTIONAL_GPIOLIB + select PINCTRL + help + Select SH7757 if you have a SH4A SH7757 CPU. + config CPU_SUBTYPE_SH7763 bool "Support SH7763 processor" select CPU_SH4A + select USB_OHCI_SH if USB_OHCI_HCD help Select SH7763 if you have a SH4A SH7763(R5S77631) CPU. @@ -347,35 +469,64 @@ config CPU_SUBTYPE_SH7785 select CPU_SHX2 select ARCH_SPARSEMEM_ENABLE select SYS_SUPPORTS_NUMA + select ARCH_WANT_OPTIONAL_GPIOLIB + select PINCTRL + +config CPU_SUBTYPE_SH7786 + bool "Support SH7786 processor" + select CPU_SH4A + select CPU_SHX3 + select CPU_HAS_PTEAEX + select GENERIC_CLOCKEVENTS_BROADCAST if SMP + select ARCH_WANT_OPTIONAL_GPIOLIB + select USB_OHCI_SH if USB_OHCI_HCD + select USB_EHCI_SH if USB_EHCI_HCD + select PINCTRL config CPU_SUBTYPE_SHX3 bool "Support SH-X3 processor" select CPU_SH4A select CPU_SHX3 - select ARCH_SPARSEMEM_ENABLE - select SYS_SUPPORTS_NUMA - select SYS_SUPPORTS_SMP select GENERIC_CLOCKEVENTS_BROADCAST if SMP + select ARCH_REQUIRE_GPIOLIB + select PINCTRL # SH4AL-DSP Processor Support config CPU_SUBTYPE_SH7343 bool "Support SH7343 processor" select CPU_SH4AL_DSP + select ARCH_SHMOBILE + select SYS_SUPPORTS_SH_CMT config CPU_SUBTYPE_SH7722 bool "Support SH7722 processor" select CPU_SH4AL_DSP select CPU_SHX2 + select ARCH_SHMOBILE select ARCH_SPARSEMEM_ENABLE select SYS_SUPPORTS_NUMA + select SYS_SUPPORTS_SH_CMT + select ARCH_WANT_OPTIONAL_GPIOLIB + select PINCTRL config CPU_SUBTYPE_SH7366 bool "Support SH7366 processor" select CPU_SH4AL_DSP select CPU_SHX2 + select ARCH_SHMOBILE select ARCH_SPARSEMEM_ENABLE select SYS_SUPPORTS_NUMA + select SYS_SUPPORTS_SH_CMT + +endchoice + +endif + +if SUPERH64 + +choice + prompt "Processor sub-type selection" # SH-5 Processor Support @@ -389,6 +540,8 @@ config CPU_SUBTYPE_SH5_103 endchoice +endif + source "arch/sh/mm/Kconfig" source "arch/sh/Kconfig.cpu" @@ -397,48 +550,17 @@ source "arch/sh/boards/Kconfig" menu "Timer and clock configuration" -config SH_TMU - def_bool y - prompt "TMU timer support" - depends on CPU_SH3 || CPU_SH4 - select GENERIC_TIME - select GENERIC_CLOCKEVENTS - help - This enables the use of the TMU as the system timer. - -config SH_CMT - def_bool y - prompt "CMT timer support" - depends on CPU_SH2 && !CPU_SUBTYPE_MXG - help - This enables the use of the CMT as the system timer. - -config SH_MTU2 - def_bool n - prompt "MTU2 timer support" - depends on CPU_SH2A - help - This enables the use of the MTU2 as the system timer. - -config SH_TIMER_IRQ - int - default "28" if CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785 || \ - CPU_SUBTYPE_SH7763 - default "86" if CPU_SUBTYPE_SH7619 - default "140" if CPU_SUBTYPE_SH7206 - default "142" if CPU_SUBTYPE_SH7203 - default "238" if CPU_SUBTYPE_MXG - default "16" - config SH_PCLK_FREQ int "Peripheral clock frequency (in Hz)" - default "27000000" if CPU_SUBTYPE_SH7343 + depends on SH_CLK_CPG_LEGACY default "31250000" if CPU_SUBTYPE_SH7619 - default "32000000" if CPU_SUBTYPE_SH7722 - default "33333333" if CPU_SUBTYPE_SH7770 || CPU_SUBTYPE_SH7723 || \ - CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \ - CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \ - CPU_SUBTYPE_SH7263 || CPU_SUBTYPE_MXG + default "33333333" if CPU_SUBTYPE_SH7770 || \ + CPU_SUBTYPE_SH7760 || \ + CPU_SUBTYPE_SH7705 || \ + CPU_SUBTYPE_SH7203 || \ + CPU_SUBTYPE_SH7206 || \ + CPU_SUBTYPE_SH7263 || \ + CPU_SUBTYPE_MXG default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R default "66000000" if CPU_SUBTYPE_SH4_202 default "50000000" @@ -447,39 +569,20 @@ config SH_PCLK_FREQ This is necessary for determining the reference clock value on platforms lacking an RTC. -config SH_CLK_MD - int "CPU Mode Pin Setting" - depends on CPU_SH2 - default 6 if CPU_SUBTYPE_SH7206 - default 5 if CPU_SUBTYPE_SH7619 - default 0 - help - MD2 - MD0 pin setting. +config SH_CLK_CPG + def_bool y -source "kernel/time/Kconfig" +config SH_CLK_CPG_LEGACY + depends on SH_CLK_CPG + def_bool y if !CPU_SUBTYPE_SH7785 && !ARCH_SHMOBILE && \ + !CPU_SHX3 && !CPU_SUBTYPE_SH7757 && \ + !CPU_SUBTYPE_SH7734 && !CPU_SUBTYPE_SH7264 && \ + !CPU_SUBTYPE_SH7269 endmenu menu "CPU Frequency scaling" - source "drivers/cpufreq/Kconfig" - -config SH_CPU_FREQ - tristate "SuperH CPU Frequency driver" - depends on CPU_FREQ - select CPU_FREQ_TABLE - help - This adds the cpufreq driver for SuperH. Any CPU that supports - clock rate rounding through the clock framework can use this - driver. While it will make the kernel slightly larger, this is - harmless for CPUs that don't support rate rounding. The driver - will also generate a notice in the boot log before disabling - itself if the CPU in question is not capable of rate rounding. - - For details, take a look at <file:Documentation/cpu-freq>. - - If unsure, say N. - endmenu source "arch/sh/drivers/Kconfig" @@ -492,7 +595,7 @@ source kernel/Kconfig.hz config KEXEC bool "kexec system call (EXPERIMENTAL)" - depends on SUPERH32 && EXPERIMENTAL + depends on SUPERH32 && MMU help kexec is a system call that implements the ability to shutdown your current kernel, and to start another kernel. It is like a reboot @@ -503,13 +606,13 @@ config KEXEC It is an ongoing process to be certain the hardware in a machine is properly shutdown, so do not be surprised if this code does not - initially work for you. It may help to enable device hotplugging - support. As of this writing the exact hardware interface is - strongly in flux, so no good recommendation can be made. + initially work for you. As of this writing the exact hardware + interface is strongly in flux, so no good recommendation can be + made. config CRASH_DUMP bool "kernel crash dumps (EXPERIMENTAL)" - depends on SUPERH32 && EXPERIMENTAL + depends on SUPERH32 && BROKEN_ON_SMP help Generate crash dump after being started by kexec. This should be normally only set in special crash dump kernels @@ -517,10 +620,28 @@ config CRASH_DUMP a specially reserved region and then later executed after a crash by kdump/kexec. The crash dump kernel must be compiled to a memory address not used by the main kernel using - MEMORY_START. + PHYSICAL_START. For more details see Documentation/kdump/kdump.txt +config KEXEC_JUMP + bool "kexec jump (EXPERIMENTAL)" + depends on SUPERH32 && KEXEC && HIBERNATION + help + Jump between original kernel and kexeced kernel and invoke + code via KEXEC + +config PHYSICAL_START + hex "Physical address where the kernel is loaded" if (EXPERT || CRASH_DUMP) + default MEMORY_START + ---help--- + This gives the physical address where the kernel is loaded + and is ordinarily the same as MEMORY_START. + + Different values are primarily used in the case of kexec on panic + where the fail safe kernel needs to run at a different address + than the panic-ed kernel. + config SECCOMP bool "Enable seccomp to safely compute untrusted bytecode" depends on PROC_FS @@ -540,16 +661,15 @@ config SECCOMP config SMP bool "Symmetric multi-processing support" depends on SYS_SUPPORTS_SMP - select USE_GENERIC_SMP_HELPERS ---help--- This enables support for systems with more than one CPU. If you have - a system with only one CPU, like most personal computers, say N. If - you have a system with more than one CPU, say Y. + a system with only one CPU, say N. If you have a system with more + than one CPU, say Y. - If you say N here, the kernel will run on single and multiprocessor + If you say N here, the kernel will run on uni- and multiprocessor machines, but will use only one CPU of a multiprocessor machine. If you say Y here, the kernel will run on many, but not all, - singleprocessor machines. On a singleprocessor machine, the kernel + uniprocessor machines. On a uniprocessor machine, the kernel will run faster if you say N here. People using multiprocessor machines who say Y here should also say @@ -564,7 +684,7 @@ config NR_CPUS int "Maximum number of CPUs (2-32)" range 2 32 depends on SMP - default "4" if CPU_SHX3 + default "4" if CPU_SUBTYPE_SHX3 default "2" help This allows you to specify the maximum number of CPUs which this @@ -574,6 +694,13 @@ config NR_CPUS This is purely to save memory - each supported CPU adds approximately eight kilobytes to the kernel image. +config HOTPLUG_CPU + bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" + depends on SMP + help + Say Y here to experiment with turning CPUs off and on. CPUs + can be controlled through /sys/devices/system/cpu. + source "kernel/Kconfig.preempt" config GUSA @@ -595,49 +722,93 @@ config GUSA_RB depends on GUSA && CPU_SH3 || (CPU_SH4 && !CPU_SH4A) help Enabling this option will allow the kernel to implement some - atomic operations using a software implemention of load-locked/ + atomic operations using a software implementation of load-locked/ store-conditional (LLSC). On machines which do not have hardware LLSC, this should be more efficient than the other alternative of - disabling insterrupts around the atomic sequence. + disabling interrupts around the atomic sequence. + +config HW_PERF_EVENTS + bool "Enable hardware performance counter support for perf events" + depends on PERF_EVENTS && CPU_HAS_PMU + default y + help + Enable hardware performance counter support for perf events. If + disabled, perf events will use software events only. + +source "drivers/sh/Kconfig" endmenu menu "Boot options" config ZERO_PAGE_OFFSET - hex "Zero page offset" - default "0x00004000" if SH_SH03 - default "0x00010000" if PAGE_SIZE_64KB + hex + default "0x00010000" if PAGE_SIZE_64KB || SH_RTS7751R2D || \ + SH_7751_SOLUTION_ENGINE + default "0x00004000" if PAGE_SIZE_16KB || SH_SH03 default "0x00002000" if PAGE_SIZE_8KB default "0x00001000" help This sets the default offset of zero page. config BOOT_LINK_OFFSET - hex "Link address offset for booting" + hex + default "0x00210000" if SH_SHMIN + default "0x00400000" if SH_CAYMAN + default "0x00810000" if SH_7780_SOLUTION_ENGINE + default "0x009e0000" if SH_TITAN + default "0x01800000" if SH_SDK7780 + default "0x02000000" if SH_EDOSK7760 default "0x00800000" help This option allows you to set the link address offset of the zImage. This can be useful if you are on a board which has a small amount of memory. -config UBC_WAKEUP - bool "Wakeup UBC on startup" - depends on CPU_SH4 && !CPU_SH4A +config ENTRY_OFFSET + hex + default "0x00001000" if PAGE_SIZE_4KB + default "0x00002000" if PAGE_SIZE_8KB + default "0x00004000" if PAGE_SIZE_16KB + default "0x00010000" if PAGE_SIZE_64KB + default "0x00000000" + +config ROMIMAGE_MMCIF + bool "Include MMCIF loader in romImage (EXPERIMENTAL)" + depends on CPU_SUBTYPE_SH7724 help - Selecting this option will wakeup the User Break Controller (UBC) on - startup. Although the UBC is left in an awake state when the processor - comes up, some boot loaders misbehave by putting the UBC to sleep in a - power saving state, which causes issues with things like ptrace(). + Say Y here to include experimental MMCIF loading code in + romImage. With this enabled it is possible to write the romImage + kernel image to an MMC card and boot the kernel straight from + the reset vector. At reset the processor Mask ROM will load the + first part of the romImage which in turn loads the rest the kernel + image to RAM using the MMCIF hardware block. - If unsure, say N. +choice + prompt "Kernel command line" + optional + default CMDLINE_OVERWRITE + help + Setting this option allows the kernel command line arguments + to be set. -config CMDLINE_BOOL - bool "Default bootloader kernel arguments" +config CMDLINE_OVERWRITE + bool "Overwrite bootloader kernel arguments" + help + Given string will overwrite any arguments passed in by + a bootloader. + +config CMDLINE_EXTEND + bool "Extend bootloader kernel arguments" + help + Given string will be concatenated with arguments passed in + by a bootloader. + +endchoice config CMDLINE - string "Initial kernel command string" - depends on CMDLINE_BOOL + string "Kernel command line arguments string" + depends on CMDLINE_OVERWRITE || CMDLINE_EXTEND default "console=ttySC1,115200" endmenu @@ -659,7 +830,19 @@ config MAPLE Dreamcast with a serial line terminal or a remote network connection. -source "arch/sh/drivers/pci/Kconfig" +config PCI + bool "PCI support" + depends on SYS_SUPPORTS_PCI + select PCI_DOMAINS + select GENERIC_PCI_IOMAP + select NO_GENERIC_PCI_IOPORT_MAP + help + Find out whether you have a PCI motherboard. PCI is the name of a + bus system, i.e. the way the CPU talks to the other stuff inside + your box. If you have PCI, say Y, otherwise N. + +config PCI_DOMAINS + bool source "drivers/pci/pcie/Kconfig" @@ -678,7 +861,6 @@ source "fs/Kconfig.binfmt" endmenu menu "Power management options (EXPERIMENTAL)" -depends on EXPERIMENTAL source "kernel/power/Kconfig" |