77 lines
2.5 KiB
Plaintext
77 lines
2.5 KiB
Plaintext
#
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# Fubarino SD board SRAMC swap disk
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# =================================
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# Console on UART2.
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# Overclocked to 120MHz.
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# Clock rate increased to 1000Hz.
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#
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# To build the kernel, use:
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# cd sys/pic32/fubarino-uart-sramc
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# kconfig Config
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# make clean
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# make
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#
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# Format of this file is described on page:
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# http://retrobsd.org/wiki/doku.php/doc/kconfig
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#
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architecture "pic32"
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cpu "PIC32MX7" # Processor variant
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board "FUBARINO" # Board type
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ldscript "max32/bootloader.ld" # Linker script
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# Standard system options
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options "HZ=1000" # Rate of clock interrupt
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options "CPU_KHZ=120000" # Oscillator frequency of CPU core
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options "BUS_KHZ=120000" # Frequency of peripheral bus
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options "BUS_DIV=1" # Bus clock divisor 1/2/4/8
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options "NBUF=8"
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options "NMOUNT=3"
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options "NPROC=25"
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# LED
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signal "LED_KERNEL" pin RE5 # kernel activity indicator
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# Root filesystem at /dev/sd0a, swap at /dev/sd0b
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config unix root on sd0a
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swap on sd0b
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# Console options
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options "CONSOLE_DEVICE=tty1" # Console on UART2
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# Serial UART ports
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device uart1 # Additional serial port
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device uart2 # Console
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# SPI ports
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controller spi2 # SD card
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# microSD card
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device sd0 at spi2 pin RG9 # select pin
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options "SD0_PORT=2" # sd0 at spi2 TODO: delete
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options "SD0_CS_PORT=TRISG" # for chip select... TODO: delete
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options "SD0_CS_PIN=9" # ...use pin RA9 TODO: delete
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options "SD0_MHZ=20" # increase data speed
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# General purpose I/O ports
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# Flags define a mask of available pins
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# The following pins excluded:
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# RD2, RD3 - uart1
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# RF4, RF5 - uart2
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# RG6, RG7, RG8, RG9 - spi2, SD card
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device gpio1 flags 0xffff # port B
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device gpio2 flags 0xf000 # port C
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device gpio3 flags 0x0ff3 # port D
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device gpio4 flags 0x00ff # port E
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device gpio5 flags 0x000b # port F
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device gpio6 flags 0x000c # port G
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# ADC driver
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device adc
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# PWM driver
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device pwm
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# sramc - SRAM block device
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device sramc0 # SRAM via 4-wire CPLD interface
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options "PARTITION='sramc0:sa@2048,fs@6140'" # Partition schema
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