46 lines
1.1 KiB
Plaintext
46 lines
1.1 KiB
Plaintext
#
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# 32MXSDRAM board PCB v1.0 with UART console
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# ===========================================
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#
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# Console on UART3
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core pic32mx7
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linker bootloader-sdram
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mapping generic
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device kernel cpu_khz=80000 bus_khz=80000 led=A15
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device console led=A14 device=tty2
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device uart3 baud=115200
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device rdisk led=C13 swap=C14
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option nproc=20
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option hz=1000
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# sdcard's definition for the SPI port, sdcard's chipselect and high-side power switch
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# because of a mod on the board we use power=B13, otherwise it shall be D12
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device sd0 port=4 cs=F3 power=B13 mhz=13
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# device sd1 port=4 cs=F8 power=D13
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device adc
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device oc
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device gpio
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# use SDRAM driver for the external ramdisk
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device sdramp
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# This defines the swap size and a fs partition size on the external ramdisk.
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# When the sa@XXXX is larger than the SWAP_KBYTES, the system will use
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# the swap located on the external ramdisk automatically.
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# (sd@xxxx + fs@xxxx) <= ramdisk_size
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option PARTITION=sdramp0:sa@2048,fs@14000
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option nmount=3
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# set=pin means the pin will be set high during bootloading
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device bootloader button=C1 user=0x1d005000 led=C13 led2=C14
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option crystal=12
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option pllidiv=3
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option pllmul=20
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option upllidiv=3
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