nuttx/arch/z80/src/z180/Kconfig

#
# For a description of the syntax of this configuration file,
# see misc/tools/kconfig-language.txt.
#

if ARCH_CHIP_Z180

choice
	prompt "Toolchain Selection"
	default Z180_TOOLCHAIN_SDCCW if HOST_WINDOWS
	default Z180_TOOLCHAIN_SDCCL if !HOST_WINDOWS

config Z180_TOOLCHAIN_SDCCL
        bool "SDCC for Linux, MAC OSX, or Cygwin"
	depends on !WINDOWS_NATIVE

config Z180_TOOLCHAIN_SDCCW
	bool "SDCC for Windows"
	depends on HOST_WINDOWS

endchoice

config LINKER_HOME_AREA
	hex "Physical start of _HOME area"
	default 0x0000
	---help---
		Physical address of the start of the linker HOME area.  Default: 0x0000

config LINKER_CODE_AREA
	hex "Physical start of _CODE area"
	default 0x0200
	---help---
		Physical address of the start of the linker _CODE area.  Default: 0x0200

config LINKER_DATA_AREA
	hex "Physical start of _DATA area"
	default 0x8000
	---help---
		Physical address of the start of the linker _DATA area.  Default: 0x8000

config LINKER_ROM_AT_0000
	bool "ROM at Physical 0x0000"
	default n
	---help---
		Some architectures may have ROM located at physical address zero.  In this
		case, a special version of the "head" file must be used.

config Z180_BANKAREA_VIRTBASE
	hex "Virtual Start of Bank Area"
	default 0x8000
	---help---
		This setting provides the virtual address of the start of the Bank Area.
		NOTE that 0x0000 <= Z180_BANKAREA_BASE <= Z180_COMMONAREA_BASE is required!
		Default: 0x8000

		NuttX Memory Organization:

			Common Area 0:  This area holds the common NuttX code that is
			directly call-able from all application threads.  Common Area
			always starts at virtual address 0x0000 and extends to the
			Bank Area

			Base Area: This area holds the common NuttX data (including the
			share-able heap) that is accessible from all applications and
			extends to Common Area 1.

			NOTE:  That is execution from RAM, the common NuttX code and
			data may be contiguous and lie in the same region (either
			Common Area 0 or the Bank Area).  The two regions above would
			apply in a ROM'ed system, where Common Area 1 is ROM and the
			Base Area is RAM.

			Common Area 1:  This area holds the code and data that is unique
			to a particular task.  his area extends to the end of the virtual
			address space.  All tasks share the same virtual Common Area 2
			virtual address (but each has a unique mapping to different,
			underlying physical addresses).

config Z180_BANKAREA_PHYSBASE
	hex "Physical Start of Bank Area"
	default 0x08000
	---help---
		This setting provides the physical address of the start of the Bank Area.
		Default: 0x08000

config Z180_COMMON1AREA_VIRTBASE
	hex "Virtual Start of Common Area 1"
	default 0xc000
	---help---
		This setting provides the virtual address of the start of the Common
		Area 1. NOTE that 0x0000 <= Z180_BANKAREA_BASE <= Z180_COMMONAREA_BASE
		is required! Default: 0xc000

		NuttX Memory Organization:

			Common Area 0:  This area holds the common NuttX code that is
			directly call-able from all application threads.  Common Area
			always starts at virtual address 0x0000 and extends to the
			Bank Area

			Base Area: This area holds the common NuttX data (including the
			share-able heap) that is accessible from all applications and
			extends to Common Area 1.

			NOTE:  That is execution from RAM, the common NuttX code and
			data may be contiguous and lie in the same region (either
			Common Area 0 or the Bank Area).  The two regions above would
			apply in a ROM'ed system, where Common Area 1 is ROM and the
			Base Area is RAM.

			Common Area 1:  This area holds the code and data that is unique
			to a particular task.  his area extends to the end of the virtual
			address space.  All tasks share the same virtual Common Area 2
			virtual address (but each has a unique mapping to different,
			underlying physical addresses).

config Z180_PHYSHEAP_START
	hex "Physical Start of Free Memory"
	default 0x0c000
	---help---
		This setting provides the physical address of the start of free physical
		memory that will be used to allocate memory for tasks (Common Area 1).
		Default: 0x0c000

config Z180_PHYSHEAP_END
	hex "Physical End(+1) of Free Memory"
	default 0x100000
	---help---
		This setting provides the physical address of the end(+1) of free physical
		memory that will be used to allocate memory for tasks (Common Area 1).
		Default: 0x100000

config ARCH_HAVEHEAD
	bool "Board-specific Head File"
	default n
	---help---
		Use a board-specific version of the "head" file in the
		configs/<board-name>/src directory

menu "Z180 Peripheral Support"

config Z180_UART0
	bool "UART0"
	default n
	select ARCH_HAVE_UART0

config Z180_UART1
	bool "UART1"
	default n
	select ARCH_HAVE_UART1

endmenu
endif