kconfig

linux 内核源代码

config SIBYTE_SB1250
	bool
	select CEVT_SB1250
	select CSRC_SB1250
	select HW_HAS_PCI
	select IRQ_CPU
	select SIBYTE_ENABLE_LDT_IF_PCI
	select SIBYTE_HAS_ZBUS_PROFILING
	select SIBYTE_SB1xxx_SOC
	select SYS_SUPPORTS_SMP

config SIBYTE_BCM1120
	bool
	select CEVT_SB1250
	select CSRC_SB1250
	select IRQ_CPU
	select SIBYTE_BCM112X
	select SIBYTE_HAS_ZBUS_PROFILING
	select SIBYTE_SB1xxx_SOC

config SIBYTE_BCM1125
	bool
	select CEVT_SB1250
	select CSRC_SB1250
	select HW_HAS_PCI
	select IRQ_CPU
	select SIBYTE_BCM112X
	select SIBYTE_HAS_ZBUS_PROFILING
	select SIBYTE_SB1xxx_SOC

config SIBYTE_BCM1125H
	bool
	select CEVT_SB1250
	select CSRC_SB1250
	select HW_HAS_PCI
	select IRQ_CPU
	select SIBYTE_BCM112X
	select SIBYTE_ENABLE_LDT_IF_PCI
	select SIBYTE_HAS_ZBUS_PROFILING
	select SIBYTE_SB1xxx_SOC

config SIBYTE_BCM112X
	bool
	select CEVT_SB1250
	select CSRC_SB1250
	select IRQ_CPU
	select SIBYTE_SB1xxx_SOC
	select SIBYTE_HAS_ZBUS_PROFILING

config SIBYTE_BCM1x80
	bool
	select CEVT_BCM1480
	select CSRC_BCM1480
	select HW_HAS_PCI
	select IRQ_CPU
	select SIBYTE_HAS_ZBUS_PROFILING
	select SIBYTE_SB1xxx_SOC
	select SYS_SUPPORTS_SMP

config SIBYTE_BCM1x55
	bool
	select CEVT_BCM1480
	select CSRC_BCM1480
	select HW_HAS_PCI
	select IRQ_CPU
	select SIBYTE_SB1xxx_SOC
	select SIBYTE_HAS_ZBUS_PROFILING
	select SYS_SUPPORTS_SMP

config SIBYTE_SB1xxx_SOC
	bool
	select DMA_COHERENT
	select IRQ_CPU
	select SIBYTE_CFE
	select SWAP_IO_SPACE
	select SYS_SUPPORTS_32BIT_KERNEL
	select SYS_SUPPORTS_64BIT_KERNEL

choice
	prompt "SiByte SOC Stepping"
	depends on SIBYTE_SB1xxx_SOC

config CPU_SB1_PASS_1
	bool "1250 Pass1"
	depends on SIBYTE_SB1250
	select CPU_HAS_PREFETCH

config CPU_SB1_PASS_2_1250
	bool "1250 An"
	depends on SIBYTE_SB1250
	select CPU_SB1_PASS_2
	help
	  Also called BCM1250 Pass 2

config CPU_SB1_PASS_2_2
	bool "1250 Bn"
	depends on SIBYTE_SB1250
	select CPU_HAS_PREFETCH
	help
	  Also called BCM1250 Pass 2.2

config CPU_SB1_PASS_4
	bool "1250 Cn"
	depends on SIBYTE_SB1250
	select CPU_HAS_PREFETCH
	help
	  Also called BCM1250 Pass 3

config CPU_SB1_PASS_2_112x
	bool "112x Hybrid"
	depends on SIBYTE_BCM112X
	select CPU_SB1_PASS_2

config CPU_SB1_PASS_3
	bool "112x An"
	depends on SIBYTE_BCM112X
	select CPU_HAS_PREFETCH

endchoice

config CPU_SB1_PASS_2
	bool

config SIBYTE_HAS_LDT
	bool

config SIBYTE_ENABLE_LDT_IF_PCI
	bool
	select SIBYTE_HAS_LDT if PCI

config SIMULATION
	bool "Running under simulation"
	depends on SIBYTE_SB1xxx_SOC
	help
	  Build a kernel suitable for running under the GDB simulator.
	  Primarily adjusts the kernel's notion of time.

config SB1_CEX_ALWAYS_FATAL
	bool "All cache exceptions considered fatal (no recovery attempted)"
	depends on SIBYTE_SB1xxx_SOC

config SB1_CERR_STALL
	bool "Stall (rather than panic) on fatal cache error"
	depends on SIBYTE_SB1xxx_SOC

config SIBYTE_CFE
	bool "Booting from CFE"
	depends on SIBYTE_SB1xxx_SOC
	select CFE
	select SYS_HAS_EARLY_PRINTK
	help
	  Make use of the CFE API for enumerating available memory,
	  controlling secondary CPUs, and possibly console output.

config SIBYTE_CFE_CONSOLE
	bool "Use firmware console"
	depends on SIBYTE_CFE
	help
	  Use the CFE API's console write routines during boot.  Other console
	  options (VT console, sb1250 duart console, etc.) should not be
	  configured.

config SIBYTE_STANDALONE
	bool
	depends on SIBYTE_SB1xxx_SOC && !SIBYTE_CFE
	select SYS_HAS_EARLY_PRINTK
	default y

config SIBYTE_STANDALONE_RAM_SIZE
	int "Memory size (in megabytes)"
	depends on SIBYTE_STANDALONE
	default "32"

config SIBYTE_BUS_WATCHER
	bool "Support for Bus Watcher statistics"
	depends on SIBYTE_SB1xxx_SOC
	help
	  Handle and keep statistics on the bus error interrupts (COR_ECC,
	  BAD_ECC, IO_BUS).

config SIBYTE_BW_TRACE
	bool "Capture bus trace before bus error"
	depends on SIBYTE_BUS_WATCHER
	help
	  Run a continuous bus trace, dumping the raw data as soon as
	  a ZBbus error is detected.  Cannot work if ZBbus profiling
	  is turned on, and also will interfere with JTAG-based trace
	  buffer activity.  Raw buffer data is dumped to console, and
	  must be processed off-line.

config SIBYTE_TBPROF
	tristate "Support for ZBbus profiling"
	depends on SIBYTE_HAS_ZBUS_PROFILING

config SIBYTE_HAS_ZBUS_PROFILING
	bool