nuttx/arch/arm/src/lpc31xx/Kconfig

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#
# For a description of the syntax of this configuration file,
# see misc/tools/kconfig-language.txt.
#
comment "LPC31xx Configuration Options"
choice
prompt "LPC31 Chip Selection"
default ARCH_CHIP_LPC3131
depends on ARCH_CHIP_LPC31XX
config ARCH_CHIP_LPC3130
bool "LPC3130"
select ARCH_HAVE_EXTNAND
select ARCH_HAVE_EXTSRAM0
select ARCH_HAVE_EXTSRAM1
select ARCH_HAVE_EXTDRAM
config ARCH_CHIP_LPC3131
bool "LPC3131"
select ARCH_HAVE_EXTNAND
select ARCH_HAVE_EXTSRAM0
select ARCH_HAVE_EXTSRAM1
select ARCH_HAVE_EXTDRAM
config ARCH_CHIP_LPC3152
bool "LPC3152"
select ARCH_HAVE_EXTNAND
select ARCH_HAVE_EXTSRAM0
select ARCH_HAVE_EXTSRAM1
select ARCH_HAVE_EXTDRAM
config ARCH_CHIP_LPC3154
bool "LPC3154"
select ARCH_HAVE_EXTNAND
select ARCH_HAVE_EXTSRAM0
select ARCH_HAVE_EXTSRAM1
select ARCH_HAVE_EXTDRAM
endchoice # LPC31xx Configuration Options
config LPC31_SDRAMHCLK
int "External SDRAM HCLK"
depends on LPC31_EXTSDRAM
---help---
The SDRAM HCLK may be specified here (if not, it will be calculated).
menu "LPC31xx Peripheral Support"
config LPC31_UART
bool "UART"
default n
select ARCH_HAVE_UART
config LPC31_SPI
bool "SPI"
default n
config LPC31_USBOTG
bool "USB OTG"
default n
select USBHOST_HAVE_ASYNCH
config LPC31_MCI
bool "MCI"
default n
select ARCH_HAVE_SDIO
endmenu # LPC31xx Peripheral Support
menu "External Memory Configuration"
config ARCH_HAVE_EXTNAND
bool
config ARCH_HAVE_EXTDRAM
bool
config ARCH_HAVE_EXTSRAM0
bool
config ARCH_HAVE_EXTSRAM1
bool
config LPC31_EXTNAND
bool "Configure external NAND"
default n
depends on ARCH_HAVE_EXTNAND
---help---
Configure external NAND memory and, if applicable, map then external
NAND into the memory map.
if LPC31_EXTNAND
config LPC31_EXTNANDSIZE
int "External NAND size"
default 0
---help---
Size of the external NAND in bytes.
endif # LPC31_EXTNAND
config LPC31_EXTDRAM
bool "Configure external DRAM"
default n
depends on ARCH_HAVE_EXTDRAM
select ARCH_HAVE_SDRAM
---help---
Configure external DRAM memory and, if applicable, map then external
DRAM into the memory map.
if LPC31_EXTDRAM
config LPC31_EXTDRAMSIZE
int "External SDRAM size"
default 0
---help---
Size of the external SDRAM in bytes.
choice
prompt "SDRAM Width Selection"
default LPC31_SDRAM_16BIT
config LPC31_SDRAM_8BIT
bool "8-bit"
config LPC31_SDRAM_16BIT
bool "16-bit"
config LPC31_SDRAM_32BIT
bool "32-bit"
endchoice # SDRAM Width Selection
config LPC31_EXTDRAMHEAP
bool "Add external SDRAM to the heap"
default y
---help---
Add the external SDRAM into the heap.
endif # LPC31_EXTDRAM
config LPC31_EXTSRAM0
bool "Configure external SRAM (Bank 0)"
default n
depends on ARCH_HAVE_EXTSRAM0
---help---
Configure external SRAM Bank 0 memory and, if applicable, map then
external SRAM Bank 0 into the memory map.
if LPC31_EXTSRAM0
config LPC31_EXTSRAM0SIZE
int "External SRAM size"
default 0
---help---
Size of the external SRAM Bank 0 in bytes.
config LPC31_EXTSRAM0HEAP
bool "Add external SRAM (Bank 0) to the heap"
default y
---help---
Add external SRAM Bank 0 into the heap.
endif # LPC31_EXTSRAM0
config LPC31_EXTSRAM1
bool "Configure external SRAM (Bank 1)"
default n
depends on ARCH_HAVE_EXTSRAM1
---help---
Configure external SRAM Bank 1 memory and, if applicable, map then
external SRAM Bank 1 into the memory map.
if LPC31_EXTSRAM1
config LPC31_EXTSRAM1SIZE
int "External SRAM1 size"
default 0
---help---
Size of the external SRAM Bank 1 in bytes.
config LPC31_EXTSRAM1HEAP
bool "Add external SRAM (Bank 1) to the heap"
default y
---help---
Add external SRAM Bank 1 into the heap.
endif # LPC31_EXTSRAM1
endmenu # External Memory Configuration
menu "LPC31xx UART Configuration"
depends on LPC31_UART
config LPC31_UART_PRECALCULATED
bool "Use pre-calculated BAD configuration"
default n
if LPC31_UART_PRECALCULATED
config LPC31_UART_DIVADDVAL
int "BAUD pre-scaler divisor"
---help---
BAUD pre-scaler divisor
config LPC31_UART_DIVISOR
int "BAUD divisor"
---help---
BAUD divisor
config LPC31_UART_MULVAL
int "BAUD multiplier"
---help---
BAUD multiplier
endif # LPC31_UART_PRECALCULATED
endmenu # LPC31xx UART Configuration
if LPC31_USBOTG && USBDEV
menu "USB device controller driver (DCD) options"
config LPC31_USBDEV_EP0_MAXSIZE
int "EP0 Max packet size"
default 64
---help---
Endpoint 0 maximum packet size. Default: 64
config LPC31_USBDEV_FRAME_INTERRUPT
bool "USB frame interrupt"
default n
---help---
Handle USB Start-Of-Frame events. Enable reading SOF from interrupt
handler vs. simply reading on demand. Probably a bad idea... Unless
there is some issue with sampling the SOF from hardware asynchronously.
config LPC31_USBDEV_DMA
bool "Enable USB device DMA"
default n
---help---
Enable lpc31xx-specific DMA support
config LPC31_USBDEV_REGDEBUG
bool "Register level debug"
depends on DEBUG
default n
---help---
Output detailed register-level USB device debug information. Requires also DEBUG.
endmenu # USB device driver controller (DCD) options
endif # LPC31_USBOTG && USBDEV
if LPC31_USBOTG && USBHOST
menu "USB host controller driver (HCD) options"
config LPC31_EHCI_SDIS
bool "Stream disable"
default n
---help---
Selecting this option ensures that overruns/underruns of the latency
FIFO are eliminated for low bandwidth systems where the RX and TX
buffers are sufficient to contain the entire packet. Enabling stream
disable also has the effect of ensuring the the TX latency is filled
to capacity before the packet is launched onto the USB.
Note: Time duration to pre-fill the FIFO becomes significant when stream disable is active.
config LPC31_EHCI_NQHS
int "Number of Queue Head (QH) structures"
default 4
---help---
Configurable number of Queue Head (QH) structures. The default is
one per Root hub port plus one for EP0 (4).
config LPC31_EHCI_NQTDS
int "Number of Queue Element Transfer Descriptor (qTDs)"
default 6
---help---
Configurable number of Queue Element Transfer Descriptor (qTDs).
The default is one per root hub plus three from EP0 (6).
config LPC31_EHCI_BUFSIZE
int "Size of one request/descriptor buffer"
default 128
---help---
The size of one request/descriptor buffer in bytes. The TD buffe
size must be an even number of 32-bit words and must be large enough
to hangle the largest transfer via a SETUP request.
config LPC31_EHCI_PREALLOCATE
bool "Preallocate descriptor pool"
default y
---help---
Select this option to pre-allocate EHCI queue and descriptor
structure pools in .bss. Otherwise, these pools will be
dynamically allocated using kmm_memalign().
config LPC31_EHCI_REGDEBUG
bool "Enable low-level EHCI register debug"
default n
depends on DEBUG
endmenu # USB host controller driver (HCD) options
endif # LPC31_USBOTG && USBHOST
menu "SPI device driver options"
config LPC31_SPI_REGDEBUG
bool "SPI Register level debug"
depends on LPC31_SPI && DEBUG
default n
---help---
Output detailed register-level SPI device debug information. Requires also DEBUG.
endmenu # SPI device driver options