# # 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 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