68 lines
2.2 KiB
Plaintext
68 lines
2.2 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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options "LED_KERNEL_PORT=TRISE" # for kernel activity LED...
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options "LED_KERNEL_PIN=5" # ...use pin RE5
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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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disk sd0 at spi2 flags 0x79 # select pin RG9
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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: use flags
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options "SD0_CS_PIN=9" # ...use pin RA9 TODO: use flags
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options "SD0_MHZ=20" # increase data speed
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# General purpose I/O ports
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device gpio0
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# ADC driver
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device adc0
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# PWM driver
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device pwm0
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# sramc - SRAM block device
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disk sramc0 # SRAM via 4-wire CPLD interface
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options "PARTITION='sramc0:sa@2048,fs@6140'" # Partition schema
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