#
# Fubarino SD board SRAMC swap disk
# =================================
# Console on UART2.
# Overclocked to 120MHz.
# Clock rate increased to 1000Hz.
#
# To build the kernel, use:
#   cd sys/pic32/fubarino-uart-sramc
#   kconfig Config
#   make clean
#   make
#
# Format of this file is described on page:
# http://retrobsd.org/wiki/doku.php/doc/kconfig
#
architecture    "pic32"
cpu             "PIC32MX7"                  # Processor variant
board           "FUBARINO"                  # Board type
ldscript        "max32/bootloader.ld"       # Linker script

# Standard system options
options         "HZ=1000"                   # Rate of clock interrupt
options         "CPU_KHZ=120000"            # Oscillator frequency of CPU core
options         "BUS_KHZ=120000"            # Frequency of peripheral bus
options         "BUS_DIV=1"                 # Bus clock divisor 1/2/4/8
options         "NBUF=8"
options         "NMOUNT=3"
options         "NPROC=25"

# LED
options         "LED_KERNEL_PORT=TRISE"     # for kernel activity LED...
options         "LED_KERNEL_PIN=5"          # ...use pin RE5

# Root filesystem at /dev/sd0a, swap at /dev/sd0b
config          unix    root on sd0a
                        swap on sd0b

# Console options
options         "CONSOLE_DEVICE=tty1"       # Console on UART2

# Serial UART ports
device          uart1                       # Additional serial port
device          uart2                       # Console

# SPI ports
controller      spi2                        # SD card

# microSD card
disk            sd0     at spi2 flags 0x79  # select pin RG9
options         "SD0_PORT=2"                # sd0 at spi2           TODO: delete
options         "SD0_CS_PORT=TRISG"         # for chip select...    TODO: use flags
options         "SD0_CS_PIN=9"              # ...use pin RA9        TODO: use flags
options         "SD0_MHZ=20"                # increase data speed

# General purpose I/O ports
device          gpio0

# ADC driver
device          adc0

# PWM driver
device          pwm0

# sramc - SRAM block device
disk            sramc0                      # SRAM via 4-wire CPLD interface
options         "PARTITION='sramc0:sa@2048,fs@6140'"    # Partition schema