arch/mips/Kconfig - filogic/uboot - Gitiles

 menu "MIPS architecture"
 	depends on MIPS

 config SYS_ARCH
 	default "mips"

 config SYS_CPU
 	default "mips32" if CPU_MIPS32
 	default "mips64" if CPU_MIPS64

 choice
 	prompt "Target select"
 	optional

 config TARGET_QEMU_MIPS
 	bool "Support qemu-mips"
 	select ROM_EXCEPTION_VECTORS
 	select SUPPORTS_BIG_ENDIAN
 	select SUPPORTS_CPU_MIPS32_R1
 	select SUPPORTS_CPU_MIPS32_R2
 	select SUPPORTS_CPU_MIPS64_R1
 	select SUPPORTS_CPU_MIPS64_R2
 	select SUPPORTS_LITTLE_ENDIAN

 config TARGET_MALTA
 	bool "Support malta"
 	select DM
 	select DM_SERIAL
 	select DYNAMIC_IO_PORT_BASE
 	select MIPS_CM
 	select MIPS_INSERT_BOOT_CONFIG
 	select MIPS_L1_CACHE_SHIFT_6
 	select MIPS_L2_CACHE
 	select OF_CONTROL
 	select OF_ISA_BUS
 	select ROM_EXCEPTION_VECTORS
 	select SUPPORTS_BIG_ENDIAN
 	select SUPPORTS_CPU_MIPS32_R1
 	select SUPPORTS_CPU_MIPS32_R2
 	select SUPPORTS_CPU_MIPS32_R6
 	select SUPPORTS_CPU_MIPS64_R1
 	select SUPPORTS_CPU_MIPS64_R2
 	select SUPPORTS_CPU_MIPS64_R6
 	select SUPPORTS_LITTLE_ENDIAN
 	select SWAP_IO_SPACE
 	imply CMD_DM

 config TARGET_VCT
 	bool "Support vct"
 	select ROM_EXCEPTION_VECTORS
 	select SUPPORTS_BIG_ENDIAN
 	select SUPPORTS_CPU_MIPS32_R1
 	select SUPPORTS_CPU_MIPS32_R2
 	select SYS_MIPS_CACHE_INIT_RAM_LOAD

 config ARCH_ATH79
 	bool "Support QCA/Atheros ath79"
 	select DM
 	select OF_CONTROL
 	imply CMD_DM

 config ARCH_MSCC
 	bool "Support MSCC VCore-III"
 	select OF_CONTROL
 	select DM

 config ARCH_BMIPS
 	bool "Support BMIPS SoCs"
 	select CLK
 	select CPU
 	select DM
 	select OF_CONTROL
 	select RAM
 	select SYSRESET
 	imply CMD_DM

 config ARCH_MTMIPS
 	bool "Support MediaTek MIPS platforms"
 	select CLK
 	imply CMD_DM
 	select DISPLAY_CPUINFO
 	select DM
 	imply DM_ETH
 	imply DM_GPIO
 	select DM_RESET
 	select DM_SERIAL
 	select PINCTRL
 	select PINMUX
 	select PINCONF
 	select RESET_MTMIPS
 	imply DM_SPI
 	imply DM_SPI_FLASH
 	select LAST_STAGE_INIT
 	select MIPS_TUNE_24KC
 	select OF_CONTROL
 	select ROM_EXCEPTION_VECTORS
 	select SUPPORTS_CPU_MIPS32_R1
 	select SUPPORTS_CPU_MIPS32_R2
 	select SUPPORTS_LITTLE_ENDIAN
 	select SYSRESET

 config ARCH_JZ47XX
 	bool "Support Ingenic JZ47xx"
 	select SUPPORT_SPL
 	select OF_CONTROL
 	select DM

 config MACH_PIC32
 	bool "Support Microchip PIC32"
 	select DM
 	select OF_CONTROL
 	imply CMD_DM

 config TARGET_BOSTON
 	bool "Support Boston"
 	select DM
 	select DM_SERIAL
 	select MIPS_CM
 	select MIPS_L1_CACHE_SHIFT_6
 	select MIPS_L2_CACHE
 	select OF_BOARD_SETUP
 	select OF_CONTROL
 	select ROM_EXCEPTION_VECTORS
 	select SUPPORTS_BIG_ENDIAN
 	select SUPPORTS_CPU_MIPS32_R1
 	select SUPPORTS_CPU_MIPS32_R2
 	select SUPPORTS_CPU_MIPS32_R6
 	select SUPPORTS_CPU_MIPS64_R1
 	select SUPPORTS_CPU_MIPS64_R2
 	select SUPPORTS_CPU_MIPS64_R6
 	select SUPPORTS_LITTLE_ENDIAN
 	imply CMD_DM

 config TARGET_XILFPGA
 	bool "Support Imagination Xilfpga"
 	select DM
 	select DM_ETH
 	select DM_GPIO
 	select DM_SERIAL
 	select MIPS_L1_CACHE_SHIFT_4
 	select OF_CONTROL
 	select ROM_EXCEPTION_VECTORS
 	select SUPPORTS_CPU_MIPS32_R1
 	select SUPPORTS_CPU_MIPS32_R2
 	select SUPPORTS_LITTLE_ENDIAN
 	imply CMD_DM
 	help
 	  This supports IMGTEC MIPSfpga platform

 endchoice

 source "board/imgtec/boston/Kconfig"
 source "board/imgtec/malta/Kconfig"
 source "board/imgtec/xilfpga/Kconfig"
 source "board/qemu-mips/Kconfig"
 source "arch/mips/mach-ath79/Kconfig"
 source "arch/mips/mach-mscc/Kconfig"
 source "arch/mips/mach-bmips/Kconfig"
 source "arch/mips/mach-jz47xx/Kconfig"
 source "arch/mips/mach-pic32/Kconfig"
 source "arch/mips/mach-mtmips/Kconfig"

 if MIPS

 choice
 	prompt "Endianness selection"
 	help
 	  Some MIPS boards can be configured for either little or big endian
 	  byte order. These modes require different U-Boot images. In general there
 	  is one preferred byteorder for a particular system but some systems are
 	  just as commonly used in the one or the other endianness.

 config SYS_BIG_ENDIAN
 	bool "Big endian"
 	depends on SUPPORTS_BIG_ENDIAN

 config SYS_LITTLE_ENDIAN
 	bool "Little endian"
 	depends on SUPPORTS_LITTLE_ENDIAN

 endchoice

 choice
 	prompt "CPU selection"
 	default CPU_MIPS32_R2

 config CPU_MIPS32_R1
 	bool "MIPS32 Release 1"
 	depends on SUPPORTS_CPU_MIPS32_R1
 	select 32BIT
 	help
 	  Choose this option to build an U-Boot for release 1 through 5 of the
 	  MIPS32 architecture.

 config CPU_MIPS32_R2
 	bool "MIPS32 Release 2"
 	depends on SUPPORTS_CPU_MIPS32_R2
 	select 32BIT
 	help
 	  Choose this option to build an U-Boot for release 2 through 5 of the
 	  MIPS32 architecture.

 config CPU_MIPS32_R6
 	bool "MIPS32 Release 6"
 	depends on SUPPORTS_CPU_MIPS32_R6
 	select 32BIT
 	help
 	  Choose this option to build an U-Boot for release 6 or later of the
 	  MIPS32 architecture.

 config CPU_MIPS64_R1
 	bool "MIPS64 Release 1"
 	depends on SUPPORTS_CPU_MIPS64_R1
 	select 64BIT
 	help
 	  Choose this option to build a kernel for release 1 through 5 of the
 	  MIPS64 architecture.

 config CPU_MIPS64_R2
 	bool "MIPS64 Release 2"
 	depends on SUPPORTS_CPU_MIPS64_R2
 	select 64BIT
 	help
 	  Choose this option to build a kernel for release 2 through 5 of the
 	  MIPS64 architecture.

 config CPU_MIPS64_R6
 	bool "MIPS64 Release 6"
 	depends on SUPPORTS_CPU_MIPS64_R6
 	select 64BIT
 	help
 	  Choose this option to build a kernel for release 6 or later of the
 	  MIPS64 architecture.

 endchoice

 menu "General setup"

 config ROM_EXCEPTION_VECTORS
 	bool "Build U-Boot image with exception vectors"
 	help
 	  Enable this to include exception vectors in the U-Boot image. This is
 	  required if the U-Boot entry point is equal to the address of the
 	  CPU reset exception vector (e.g. U-Boot as ROM loader in Qemu,
 	  U-Boot booted from parallel NOR flash).
 	  Disable this, if the U-Boot image is booted from DRAM (e.g. by SPL).
 	  In that case the image size will be reduced by 0x500 bytes.

 config MIPS_CM_BASE
 	hex "MIPS CM GCR Base Address"
 	depends on MIPS_CM
 	default 0x16100000 if TARGET_BOSTON
 	default 0x1fbf8000
 	help
 	  The physical base address at which to map the MIPS Coherence Manager
 	  Global Configuration Registers (GCRs). This should be set such that
 	  the GCRs occupy a region of the physical address space which is
 	  otherwise unused, or at minimum that software doesn't need to access.

 config MIPS_CACHE_INDEX_BASE
 	hex "Index base address for cache initialisation"
 	default 0x80000000 if CPU_MIPS32
 	default 0xffffffff80000000 if CPU_MIPS64
 	help
 	  This is the base address for a memory block, which is used for
 	  initialising the cache lines. This is also the base address of a memory
 	  block which is used for loading and filling cache lines when
 	  SYS_MIPS_CACHE_INIT_RAM_LOAD is selected.
 	  Normally this is CKSEG0. If the MIPS system needs to move this block
 	  to some SRAM or ScratchPad RAM, adapt this option accordingly.

 config MIPS_RELOCATION_TABLE_SIZE
 	hex "Relocation table size"
 	range 0x100 0x10000
 	default "0x8000"
 	---help---
 	  A table of relocation data will be appended to the U-Boot binary
 	  and parsed in relocate_code() to fix up all offsets in the relocated
 	  U-Boot.

 	  This option allows the amount of space reserved for the table to be
 	  adjusted in a range from 256 up to 64k. The default is 32k and should
 	  be ok in most cases. Reduce this value to shrink the size of U-Boot
 	  binary.

 	  The build will fail and a valid size suggested if this is too small.

 	  If unsure, leave at the default value.

 config RESTORE_EXCEPTION_VECTOR_BASE
 	bool "Restore exception vector base before booting linux kernel"
 	default n
 	help
 	  In U-Boot the exception vector base will be moved to top of memory,
 	  to be used to display register dump when exception occurs.
 	  But some old linux kernel does not honor the base set in CP0_EBASE.
 	  A modified exception vector base will cause kernel crash.

 	  This option will restore the exception vector base to its previous
 	  value.

 	  If unsure, say N.

 config OVERRIDE_EXCEPTION_VECTOR_BASE
 	bool "Override the exception vector base to be restored"
 	depends on RESTORE_EXCEPTION_VECTOR_BASE
 	default n
 	help
 	  Enable this option if you want to use a different exception vector
 	  base rather than the previously saved one.

 config NEW_EXCEPTION_VECTOR_BASE
 	hex "New exception vector base"
 	depends on OVERRIDE_EXCEPTION_VECTOR_BASE
 	range 0x80000000 0xbffff000
 	default 0x80000000
 	help
 	  The exception vector base to be restored before booting linux kernel

 endmenu

 menu "OS boot interface"

 config MIPS_BOOT_CMDLINE_LEGACY
 	bool "Hand over legacy command line to Linux kernel"
 	default y
 	help
 	  Enable this option if you want U-Boot to hand over the Yamon-style
 	  command line to the kernel. All bootargs will be prepared as argc/argv
 	  compatible list. The argument count (argc) is stored in register $a0.
 	  The address of the argument list (argv) is stored in register $a1.

 config MIPS_BOOT_ENV_LEGACY
 	bool "Hand over legacy environment to Linux kernel"
 	default y
 	help
 	  Enable this option if you want U-Boot to hand over the Yamon-style
 	  environment to the kernel. Information like memory size, initrd
 	  address and size will be prepared as zero-terminated key/value list.
 	  The address of the environment is stored in register $a2.

 config MIPS_BOOT_FDT
 	bool "Hand over a flattened device tree to Linux kernel"
 	default n
 	help
 	  Enable this option if you want U-Boot to hand over a flattened
 	  device tree to the kernel. According to UHI register $a0 will be set
 	  to -2 and the FDT address is stored in $a1.

 endmenu

 config SUPPORTS_BIG_ENDIAN
 	bool

 config SUPPORTS_LITTLE_ENDIAN
 	bool

 config SUPPORTS_CPU_MIPS32_R1
 	bool

 config SUPPORTS_CPU_MIPS32_R2
 	bool

 config SUPPORTS_CPU_MIPS32_R6
 	bool

 config SUPPORTS_CPU_MIPS64_R1
 	bool

 config SUPPORTS_CPU_MIPS64_R2
 	bool

 config SUPPORTS_CPU_MIPS64_R6
 	bool

 config CPU_MIPS32
 	bool
 	default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6

 config CPU_MIPS64
 	bool
 	default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6

 config MIPS_TUNE_4KC
 	bool

 config MIPS_TUNE_14KC
 	bool

 config MIPS_TUNE_24KC
 	bool

 config MIPS_TUNE_34KC
 	bool

 config MIPS_TUNE_74KC
 	bool

 config 32BIT
 	bool

 config 64BIT
 	bool

 config SWAP_IO_SPACE
 	bool

 config SYS_MIPS_CACHE_INIT_RAM_LOAD
 	bool

 config MIPS_INIT_STACK_IN_SRAM
 	bool
 	default n
 	help
 	  Select this if the initial stack frame could be setup in SRAM.
 	  Normally the initial stack frame is set up in DRAM which is often
 	  only available after lowlevel_init. With this option the initial
 	  stack frame and the early C environment is set up before
 	  lowlevel_init. Thus lowlevel_init does not need to be implemented
 	  in assembler.

 config SYS_DCACHE_SIZE
 	int
 	default 0
 	help
 	  The total size of the L1 Dcache, if known at compile time.

 config SYS_DCACHE_LINE_SIZE
 	int
 	default 0
 	help
 	  The size of L1 Dcache lines, if known at compile time.

 config SYS_ICACHE_SIZE
 	int
 	default 0
 	help
 	  The total size of the L1 ICache, if known at compile time.

 config SYS_ICACHE_LINE_SIZE
 	int
 	default 0
 	help
 	  The size of L1 Icache lines, if known at compile time.

 config SYS_SCACHE_LINE_SIZE
 	int
 	default 0
 	help
 	  The size of L2 cache lines, if known at compile time.


 config SYS_CACHE_SIZE_AUTO
 	def_bool y if SYS_DCACHE_SIZE = 0 && SYS_ICACHE_SIZE = 0 && \
 		SYS_DCACHE_LINE_SIZE = 0 && SYS_ICACHE_LINE_SIZE = 0 && \
 		SYS_SCACHE_LINE_SIZE = 0
 	help
 	  Select this (or let it be auto-selected by not defining any cache
 	  sizes) in order to allow U-Boot to automatically detect the sizes
 	  of caches at runtime. This has a small cost in code size & runtime
 	  so if you know the cache configuration for your system at compile
 	  time it would be beneficial to configure it.

 config MIPS_L1_CACHE_SHIFT_4
 	bool

 config MIPS_L1_CACHE_SHIFT_5
 	bool

 config MIPS_L1_CACHE_SHIFT_6
 	bool

 config MIPS_L1_CACHE_SHIFT_7
 	bool

 config MIPS_L1_CACHE_SHIFT
 	int
 	default "7" if MIPS_L1_CACHE_SHIFT_7
 	default "6" if MIPS_L1_CACHE_SHIFT_6
 	default "5" if MIPS_L1_CACHE_SHIFT_5
 	default "4" if MIPS_L1_CACHE_SHIFT_4
 	default "5"

 config MIPS_L2_CACHE
 	bool
 	help
 	  Select this if your system includes an L2 cache and you want U-Boot
 	  to initialise & maintain it.

 config DYNAMIC_IO_PORT_BASE
 	bool

 config MIPS_CM
 	bool
 	help
 	  Select this if your system contains a MIPS Coherence Manager and you
 	  wish U-Boot to configure it or make use of it to retrieve system
 	  information such as cache configuration.

 config MIPS_INSERT_BOOT_CONFIG
 	bool
 	default n
 	help
 	  Enable this to insert some board-specific boot configuration in
 	  the U-Boot binary at offset 0x10.

 config MIPS_BOOT_CONFIG_WORD0
 	hex
 	depends on MIPS_INSERT_BOOT_CONFIG
 	default 0x420 if TARGET_MALTA
 	default 0x0
 	help
 	  Value which is inserted as boot config word 0.

 config MIPS_BOOT_CONFIG_WORD1
 	hex
 	depends on MIPS_INSERT_BOOT_CONFIG
 	default 0x0
 	help
 	  Value which is inserted as boot config word 1.

 endif

 endmenu
	menu "MIPS architecture"
	depends on MIPS

	config SYS_ARCH
	default "mips"

	config SYS_CPU
	default "mips32" if CPU_MIPS32
	default "mips64" if CPU_MIPS64

	choice
	prompt "Target select"
	optional

	config TARGET_QEMU_MIPS
	bool "Support qemu-mips"
	select ROM_EXCEPTION_VECTORS
	select SUPPORTS_BIG_ENDIAN
	select SUPPORTS_CPU_MIPS32_R1
	select SUPPORTS_CPU_MIPS32_R2
	select SUPPORTS_CPU_MIPS64_R1
	select SUPPORTS_CPU_MIPS64_R2
	select SUPPORTS_LITTLE_ENDIAN

	config TARGET_MALTA
	bool "Support malta"
	select DM
	select DM_SERIAL
	select DYNAMIC_IO_PORT_BASE
	select MIPS_CM
	select MIPS_INSERT_BOOT_CONFIG
	select MIPS_L1_CACHE_SHIFT_6
	select MIPS_L2_CACHE
	select OF_CONTROL
	select OF_ISA_BUS
	select ROM_EXCEPTION_VECTORS
	select SUPPORTS_BIG_ENDIAN
	select SUPPORTS_CPU_MIPS32_R1
	select SUPPORTS_CPU_MIPS32_R2
	select SUPPORTS_CPU_MIPS32_R6
	select SUPPORTS_CPU_MIPS64_R1
	select SUPPORTS_CPU_MIPS64_R2
	select SUPPORTS_CPU_MIPS64_R6
	select SUPPORTS_LITTLE_ENDIAN
	select SWAP_IO_SPACE
	imply CMD_DM

	config TARGET_VCT
	bool "Support vct"
	select ROM_EXCEPTION_VECTORS
	select SUPPORTS_BIG_ENDIAN
	select SUPPORTS_CPU_MIPS32_R1
	select SUPPORTS_CPU_MIPS32_R2
	select SYS_MIPS_CACHE_INIT_RAM_LOAD

	config ARCH_ATH79
	bool "Support QCA/Atheros ath79"
	select DM
	select OF_CONTROL
	imply CMD_DM

	config ARCH_MSCC
	bool "Support MSCC VCore-III"
	select OF_CONTROL
	select DM

	config ARCH_BMIPS
	bool "Support BMIPS SoCs"
	select CLK
	select CPU
	select DM
	select OF_CONTROL
	select RAM
	select SYSRESET
	imply CMD_DM

	config ARCH_MTMIPS
	bool "Support MediaTek MIPS platforms"
	select CLK
	imply CMD_DM
	select DISPLAY_CPUINFO
	select DM
	imply DM_ETH
	imply DM_GPIO
	select DM_RESET
	select DM_SERIAL
	select PINCTRL
	select PINMUX
	select PINCONF
	select RESET_MTMIPS
	imply DM_SPI
	imply DM_SPI_FLASH
	select LAST_STAGE_INIT
	select MIPS_TUNE_24KC
	select OF_CONTROL
	select ROM_EXCEPTION_VECTORS
	select SUPPORTS_CPU_MIPS32_R1
	select SUPPORTS_CPU_MIPS32_R2
	select SUPPORTS_LITTLE_ENDIAN
	select SYSRESET

	config ARCH_JZ47XX
	bool "Support Ingenic JZ47xx"
	select SUPPORT_SPL
	select OF_CONTROL
	select DM

	config MACH_PIC32
	bool "Support Microchip PIC32"
	select DM
	select OF_CONTROL
	imply CMD_DM

	config TARGET_BOSTON
	bool "Support Boston"
	select DM
	select DM_SERIAL
	select MIPS_CM
	select MIPS_L1_CACHE_SHIFT_6
	select MIPS_L2_CACHE
	select OF_BOARD_SETUP
	select OF_CONTROL
	select ROM_EXCEPTION_VECTORS
	select SUPPORTS_BIG_ENDIAN
	select SUPPORTS_CPU_MIPS32_R1
	select SUPPORTS_CPU_MIPS32_R2
	select SUPPORTS_CPU_MIPS32_R6
	select SUPPORTS_CPU_MIPS64_R1
	select SUPPORTS_CPU_MIPS64_R2
	select SUPPORTS_CPU_MIPS64_R6
	select SUPPORTS_LITTLE_ENDIAN
	imply CMD_DM

	config TARGET_XILFPGA
	bool "Support Imagination Xilfpga"
	select DM
	select DM_ETH
	select DM_GPIO
	select DM_SERIAL
	select MIPS_L1_CACHE_SHIFT_4
	select OF_CONTROL
	select ROM_EXCEPTION_VECTORS
	select SUPPORTS_CPU_MIPS32_R1
	select SUPPORTS_CPU_MIPS32_R2
	select SUPPORTS_LITTLE_ENDIAN
	imply CMD_DM
	help
	This supports IMGTEC MIPSfpga platform

	endchoice

	source "board/imgtec/boston/Kconfig"
	source "board/imgtec/malta/Kconfig"
	source "board/imgtec/xilfpga/Kconfig"
	source "board/qemu-mips/Kconfig"
	source "arch/mips/mach-ath79/Kconfig"
	source "arch/mips/mach-mscc/Kconfig"
	source "arch/mips/mach-bmips/Kconfig"
	source "arch/mips/mach-jz47xx/Kconfig"
	source "arch/mips/mach-pic32/Kconfig"
	source "arch/mips/mach-mtmips/Kconfig"

	if MIPS

	choice
	prompt "Endianness selection"
	help
	Some MIPS boards can be configured for either little or big endian
	byte order. These modes require different U-Boot images. In general there
	is one preferred byteorder for a particular system but some systems are
	just as commonly used in the one or the other endianness.

	config SYS_BIG_ENDIAN
	bool "Big endian"
	depends on SUPPORTS_BIG_ENDIAN

	config SYS_LITTLE_ENDIAN
	bool "Little endian"
	depends on SUPPORTS_LITTLE_ENDIAN

	endchoice

	choice
	prompt "CPU selection"
	default CPU_MIPS32_R2

	config CPU_MIPS32_R1
	bool "MIPS32 Release 1"
	depends on SUPPORTS_CPU_MIPS32_R1
	select 32BIT
	help
	Choose this option to build an U-Boot for release 1 through 5 of the
	MIPS32 architecture.

	config CPU_MIPS32_R2
	bool "MIPS32 Release 2"
	depends on SUPPORTS_CPU_MIPS32_R2
	select 32BIT
	help
	Choose this option to build an U-Boot for release 2 through 5 of the
	MIPS32 architecture.

	config CPU_MIPS32_R6
	bool "MIPS32 Release 6"
	depends on SUPPORTS_CPU_MIPS32_R6
	select 32BIT
	help
	Choose this option to build an U-Boot for release 6 or later of the
	MIPS32 architecture.

	config CPU_MIPS64_R1
	bool "MIPS64 Release 1"
	depends on SUPPORTS_CPU_MIPS64_R1
	select 64BIT
	help
	Choose this option to build a kernel for release 1 through 5 of the
	MIPS64 architecture.

	config CPU_MIPS64_R2
	bool "MIPS64 Release 2"
	depends on SUPPORTS_CPU_MIPS64_R2
	select 64BIT
	help
	Choose this option to build a kernel for release 2 through 5 of the
	MIPS64 architecture.

	config CPU_MIPS64_R6
	bool "MIPS64 Release 6"
	depends on SUPPORTS_CPU_MIPS64_R6
	select 64BIT
	help
	Choose this option to build a kernel for release 6 or later of the
	MIPS64 architecture.

	endchoice

	menu "General setup"

	config ROM_EXCEPTION_VECTORS
	bool "Build U-Boot image with exception vectors"
	help
	Enable this to include exception vectors in the U-Boot image. This is
	required if the U-Boot entry point is equal to the address of the
	CPU reset exception vector (e.g. U-Boot as ROM loader in Qemu,
	U-Boot booted from parallel NOR flash).
	Disable this, if the U-Boot image is booted from DRAM (e.g. by SPL).
	In that case the image size will be reduced by 0x500 bytes.

	config MIPS_CM_BASE
	hex "MIPS CM GCR Base Address"
	depends on MIPS_CM
	default 0x16100000 if TARGET_BOSTON
	default 0x1fbf8000
	help
	The physical base address at which to map the MIPS Coherence Manager
	Global Configuration Registers (GCRs). This should be set such that
	the GCRs occupy a region of the physical address space which is
	otherwise unused, or at minimum that software doesn't need to access.

	config MIPS_CACHE_INDEX_BASE
	hex "Index base address for cache initialisation"
	default 0x80000000 if CPU_MIPS32
	default 0xffffffff80000000 if CPU_MIPS64
	help
	This is the base address for a memory block, which is used for
	initialising the cache lines. This is also the base address of a memory
	block which is used for loading and filling cache lines when
	SYS_MIPS_CACHE_INIT_RAM_LOAD is selected.
	Normally this is CKSEG0. If the MIPS system needs to move this block
	to some SRAM or ScratchPad RAM, adapt this option accordingly.

	config MIPS_RELOCATION_TABLE_SIZE
	hex "Relocation table size"
	range 0x100 0x10000
	default "0x8000"
	---help---
	A table of relocation data will be appended to the U-Boot binary
	and parsed in relocate_code() to fix up all offsets in the relocated
	U-Boot.

	This option allows the amount of space reserved for the table to be
	adjusted in a range from 256 up to 64k. The default is 32k and should
	be ok in most cases. Reduce this value to shrink the size of U-Boot
	binary.

	The build will fail and a valid size suggested if this is too small.

	If unsure, leave at the default value.

	config RESTORE_EXCEPTION_VECTOR_BASE
	bool "Restore exception vector base before booting linux kernel"
	default n
	help
	In U-Boot the exception vector base will be moved to top of memory,
	to be used to display register dump when exception occurs.
	But some old linux kernel does not honor the base set in CP0_EBASE.
	A modified exception vector base will cause kernel crash.

	This option will restore the exception vector base to its previous
	value.

	If unsure, say N.

	config OVERRIDE_EXCEPTION_VECTOR_BASE
	bool "Override the exception vector base to be restored"
	depends on RESTORE_EXCEPTION_VECTOR_BASE
	default n
	help
	Enable this option if you want to use a different exception vector
	base rather than the previously saved one.

	config NEW_EXCEPTION_VECTOR_BASE
	hex "New exception vector base"
	depends on OVERRIDE_EXCEPTION_VECTOR_BASE
	range 0x80000000 0xbffff000
	default 0x80000000
	help
	The exception vector base to be restored before booting linux kernel

	endmenu

	menu "OS boot interface"

	config MIPS_BOOT_CMDLINE_LEGACY
	bool "Hand over legacy command line to Linux kernel"
	default y
	help
	Enable this option if you want U-Boot to hand over the Yamon-style
	command line to the kernel. All bootargs will be prepared as argc/argv
	compatible list. The argument count (argc) is stored in register $a0.
	The address of the argument list (argv) is stored in register $a1.

	config MIPS_BOOT_ENV_LEGACY
	bool "Hand over legacy environment to Linux kernel"
	default y
	help
	Enable this option if you want U-Boot to hand over the Yamon-style
	environment to the kernel. Information like memory size, initrd
	address and size will be prepared as zero-terminated key/value list.
	The address of the environment is stored in register $a2.

	config MIPS_BOOT_FDT
	bool "Hand over a flattened device tree to Linux kernel"
	default n
	help
	Enable this option if you want U-Boot to hand over a flattened
	device tree to the kernel. According to UHI register $a0 will be set
	to -2 and the FDT address is stored in $a1.

	endmenu

	config SUPPORTS_BIG_ENDIAN
	bool

	config SUPPORTS_LITTLE_ENDIAN
	bool

	config SUPPORTS_CPU_MIPS32_R1
	bool

	config SUPPORTS_CPU_MIPS32_R2
	bool

	config SUPPORTS_CPU_MIPS32_R6
	bool

	config SUPPORTS_CPU_MIPS64_R1
	bool

	config SUPPORTS_CPU_MIPS64_R2
	bool

	config SUPPORTS_CPU_MIPS64_R6
	bool

	config CPU_MIPS32
	bool
	default y if CPU_MIPS32_R1 \|\| CPU_MIPS32_R2 \|\| CPU_MIPS32_R6

	config CPU_MIPS64
	bool
	default y if CPU_MIPS64_R1 \|\| CPU_MIPS64_R2 \|\| CPU_MIPS64_R6

	config MIPS_TUNE_4KC
	bool

	config MIPS_TUNE_14KC
	bool

	config MIPS_TUNE_24KC
	bool

	config MIPS_TUNE_34KC
	bool

	config MIPS_TUNE_74KC
	bool

	config 32BIT
	bool

	config 64BIT
	bool

	config SWAP_IO_SPACE
	bool

	config SYS_MIPS_CACHE_INIT_RAM_LOAD
	bool

	config MIPS_INIT_STACK_IN_SRAM
	bool
	default n
	help
	Select this if the initial stack frame could be setup in SRAM.
	Normally the initial stack frame is set up in DRAM which is often
	only available after lowlevel_init. With this option the initial
	stack frame and the early C environment is set up before
	lowlevel_init. Thus lowlevel_init does not need to be implemented
	in assembler.

	config SYS_DCACHE_SIZE
	int
	default 0
	help
	The total size of the L1 Dcache, if known at compile time.

	config SYS_DCACHE_LINE_SIZE
	int
	default 0
	help
	The size of L1 Dcache lines, if known at compile time.

	config SYS_ICACHE_SIZE
	int
	default 0
	help
	The total size of the L1 ICache, if known at compile time.

	config SYS_ICACHE_LINE_SIZE
	int
	default 0
	help
	The size of L1 Icache lines, if known at compile time.

	config SYS_SCACHE_LINE_SIZE
	int
	default 0
	help
	The size of L2 cache lines, if known at compile time.


	config SYS_CACHE_SIZE_AUTO
	def_bool y if SYS_DCACHE_SIZE = 0 && SYS_ICACHE_SIZE = 0 && \
	SYS_DCACHE_LINE_SIZE = 0 && SYS_ICACHE_LINE_SIZE = 0 && \
	SYS_SCACHE_LINE_SIZE = 0
	help
	Select this (or let it be auto-selected by not defining any cache
	sizes) in order to allow U-Boot to automatically detect the sizes
	of caches at runtime. This has a small cost in code size & runtime
	so if you know the cache configuration for your system at compile
	time it would be beneficial to configure it.

	config MIPS_L1_CACHE_SHIFT_4
	bool

	config MIPS_L1_CACHE_SHIFT_5
	bool

	config MIPS_L1_CACHE_SHIFT_6
	bool

	config MIPS_L1_CACHE_SHIFT_7
	bool

	config MIPS_L1_CACHE_SHIFT
	int
	default "7" if MIPS_L1_CACHE_SHIFT_7
	default "6" if MIPS_L1_CACHE_SHIFT_6
	default "5" if MIPS_L1_CACHE_SHIFT_5
	default "4" if MIPS_L1_CACHE_SHIFT_4
	default "5"

	config MIPS_L2_CACHE
	bool
	help
	Select this if your system includes an L2 cache and you want U-Boot
	to initialise & maintain it.

	config DYNAMIC_IO_PORT_BASE
	bool

	config MIPS_CM
	bool
	help
	Select this if your system contains a MIPS Coherence Manager and you
	wish U-Boot to configure it or make use of it to retrieve system
	information such as cache configuration.

	config MIPS_INSERT_BOOT_CONFIG
	bool
	default n
	help
	Enable this to insert some board-specific boot configuration in
	the U-Boot binary at offset 0x10.

	config MIPS_BOOT_CONFIG_WORD0
	hex
	depends on MIPS_INSERT_BOOT_CONFIG
	default 0x420 if TARGET_MALTA
	default 0x0
	help
	Value which is inserted as boot config word 0.

	config MIPS_BOOT_CONFIG_WORD1
	hex
	depends on MIPS_INSERT_BOOT_CONFIG
	default 0x0
	help
	Value which is inserted as boot config word 1.

	endif

	endmenu