mcu_cfg.hjson

// Copyright 2020 ETH Zurich and University of Bologna.
// Solderpad Hardware License, Version 0.51, see LICENSE for details.
// SPDX-License-Identifier: SHL-0.51
// Derived from Occamy: https://github.com/pulp-platform/snitch/blob/master/hw/system/occamy/src/occamy_cfg.hjson
// Peripherals configuration for core-v-mini-mcu.
{

    cpu_type: cv32e20

    bus_type: onetoM

    ram: {
        address: 0x00000000, #only tried with 0, cannot be changed for now
        numbanks: 2, #each bank is 32kB, cannot be changed for now
    },

    linker_script: {
        #value used for the on-chip linker script, the on-flash linker script is generated using FLASH values and the whole RAM values
        onchip_ls: {
            code: {
                address: 0x00000000,
                lenght: 0x0000A200, #minimum size for freeRTOS
            }
            data: {
                address: 0x0000A200,
                lenght: whatisleft, #keyword used to calculate the size as: ram.length - code.lenght
            }
        },
    }

    debug: {
        address: 0x10000000,
        length:  0x00100000,
    },

    ao_peripherals: {
        address: 0x20000000,
        length:  0x00100000,
        soc_ctrl: {
            offset:  0x00000000,
            length:  0x00010000,
            path:    "./hw/ip/soc_ctrl/data/soc_ctrl.hjson"
        },
        bootrom: {
            offset:  0x00010000,
            length:  0x00010000,
        },
        spi_flash: {
            offset:  0x00020000,
            length:  0x00008000,
        },
        spi_memio: {
            offset:  0x00028000,
            length:  0x00008000,
        },
        spi_host: {
            offset:  0x00030000,
            length:  0x00010000,
            path:    "./hw/vendor/lowrisc_opentitan_spi_host/data/spi_host.hjson"
        },
        power_manager: {
            offset:  0x00040000,
            length:  0x00010000,
            path:    "./hw/ip/power_manager/data/power_manager.hjson"
        },
        rv_timer_ao: {
            offset:  0x00050000,
            length:  0x00010000,
        },
        dma: {
            offset:  0x00060000,
            length:  0x00010000,
            path:    "./hw/ip/dma/data/dma.hjson"
        },
        fast_intr_ctrl: {
            offset:  0x00070000,
            length:  0x00010000,
            path:    "./hw/ip/fast_intr_ctrl/data/fast_intr_ctrl.hjson"
        },
        ext_peripheral: {
            offset:  0x00080000,
            length:  0x00010000,
        },
        pad_control: {
            offset:  0x00090000,
            length:  0x00010000,
        },
        gpio_ao: {
            offset:  0x000A0000,
            length:  0x00010000,
        },
        uart: {
            offset:  0x000B0000,
            length:  0x00010000,
            path:    "./hw/vendor/lowrisc_opentitan/hw/ip/uart/data/uart.hjson"
        },
    },

    peripherals: {
        address: 0x30000000,
        length:  0x00100000,
        rv_plic: {
            offset:  0x00000000,
            length:  0x00010000,
            path:    "./hw/vendor/lowrisc_opentitan/hw/ip/rv_plic/data/rv_plic.hjson"
        },
        gpio: {
            offset:  0x00020000,
            length:  0x00010000,
            path:    "./hw/vendor/pulp_platform_gpio/gpio_regs.hjson"
        },
        i2c: {
            offset:  0x00030000,
            length:  0x00010000,
            path:    "./hw/vendor/lowrisc_opentitan/hw/ip/i2c/data/i2c.hjson"
        },
        rv_timer: {
            offset:  0x00040000,
            length:  0x00010000,
            path:    "./hw/vendor/lowrisc_opentitan/hw/ip/rv_timer/data/rv_timer.hjson"
        },
        spi2: {
            offset:  0x00050000,
            length:  0x00010000,
        },
    },

    flash_mem: {
        address: 0x40000000,
        length:  0x01000000,
    },

    ext_slaves: {
        address: 0xF0000000,
        length:  0x01000000,
    },

    interrupts: {
        number: 64, // Do not change this number!
        list: {
            // First one is always zero
            null_intr:               0,
            uart_intr_tx_watermark:  1,
            uart_intr_rx_watermark:  2,
            uart_intr_tx_empty:      3,
            uart_intr_rx_overflow:   4,
            uart_intr_rx_frame_err:  5,
            uart_intr_rx_break_err:  6,
            uart_intr_rx_timeout:    7,
            uart_intr_rx_parity_err: 8,
            gpio_intr_8:             9,
            gpio_intr_9:             10,
            gpio_intr_10:            11,
            gpio_intr_11:            12,
            gpio_intr_12:            13,
            gpio_intr_13:            14,
            gpio_intr_14:            15,
            gpio_intr_15:            16,
            gpio_intr_16:            17,
            gpio_intr_17:            18,
            gpio_intr_18:            19,
            gpio_intr_19:            20,
            gpio_intr_20:            21,
            gpio_intr_21:            22,
            gpio_intr_22:            23,
            gpio_intr_23:            24,
            gpio_intr_24:            25,
            gpio_intr_25:            26,
            gpio_intr_26:            27,
            gpio_intr_27:            28,
            gpio_intr_28:            29,
            gpio_intr_29:            30,
            gpio_intr_30:            31,
            gpio_intr_31:            32,
            intr_fmt_watermark:      33,
            intr_rx_watermark:       34,
            intr_fmt_overflow:       35,
            intr_rx_overflow:        36,
            intr_nak:                37,
            intr_scl_interference:   38,
            intr_sda_interference:   39,
            intr_stretch_timeout:    40,
            intr_sda_unstable:       41,
            intr_trans_complete:     42,
            intr_tx_empty:           43,
            intr_tx_nonempty:        44,
            intr_tx_overflow:        45,
            intr_acq_overflow:       46,
            intr_ack_stop:           47,
            intr_host_timeout:       48,
            spi2_intr_event:         49,
        }
    }
}