zircon/kernel/target/arm64/board/kirin970/boot-shim-config.h

// Copyright 2018 The Fuchsia Authors
//
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file or at
// https://opensource.org/licenses/MIT

#define HAS_DEVICE_TREE 1

static const zbi_cpu_config_t cpu_config = {
    .cluster_count = 2,
    .clusters =
        {
            {
                .cpu_count = 4,
            },
            {
                .cpu_count = 4,
            },
        },
};

static const zbi_mem_range_t mem_config[] = {
    {
        // TODO: Cornel uses 4GB
        .type = ZBI_MEM_RANGE_RAM,
        .length = 0xc0000000,  // 3GB
    },
    {
        .type = ZBI_MEM_RANGE_PERIPHERAL,
        .paddr = 0xe8100000,
        .length = 0x17f00000,
    },
    {
        // memory to reserve to avoid stomping on bootloader data
        .type = ZBI_MEM_RANGE_RESERVED,
        .paddr = 0x00000000,
        .length = 0x00080000,
    },
    {
        // bl31
        .type = ZBI_MEM_RANGE_RESERVED,
        .paddr = 0x1FE00000,
        .length = 0x400000,
    },
    {
        // pstore
        .type = ZBI_MEM_RANGE_RESERVED,
        .paddr = 0x20a00000,
        .length = 0x100000,
    },
    {
        // lpmx-core
        .type = ZBI_MEM_RANGE_RESERVED,
        .paddr = 0x8E100000,
        .length = 0x100000,
    },
    {
        // lpmcu
        .type = ZBI_MEM_RANGE_RESERVED,
        .paddr = 0x8E200000,
        .length = 0x40000,
    },
};

static const dcfg_simple_t uart_driver = {
    .mmio_phys = 0xfff32000,
    .irq = 111,
};

static const dcfg_arm_gicv2_driver_t gicv2_driver = {
    .mmio_phys = 0xe82b0000,
    .gicd_offset = 0x1000,
    .gicc_offset = 0x2000,
    .gich_offset = 0x4000,
    .gicv_offset = 0x6000,
    .ipi_base = 12,
};

static const dcfg_arm_psci_driver_t psci_driver = {
    .use_hvc = false,
};

static const dcfg_arm_generic_timer_driver_t timer_driver = {
    .irq_phys = 30,
    .irq_virt = 27,
};

static void append_board_boot_item(zbi_header_t* bootdata) {
  // add CPU configuration
  append_boot_item(bootdata, ZBI_TYPE_CPU_CONFIG, 0, &cpu_config,
                   sizeof(zbi_cpu_config_t) + sizeof(zbi_cpu_cluster_t) * cpu_config.cluster_count);

  // add memory configuration
  append_boot_item(bootdata, ZBI_TYPE_MEM_CONFIG, 0, &mem_config,
                   sizeof(zbi_mem_range_t) * countof(mem_config));

  // add kernel drivers
  append_boot_item(bootdata, ZBI_TYPE_KERNEL_DRIVER, KDRV_PL011_UART, &uart_driver,
                   sizeof(uart_driver));
  append_boot_item(bootdata, ZBI_TYPE_KERNEL_DRIVER, KDRV_ARM_GIC_V2, &gicv2_driver,
                   sizeof(gicv2_driver));
  append_boot_item(bootdata, ZBI_TYPE_KERNEL_DRIVER, KDRV_ARM_PSCI, &psci_driver,
                   sizeof(psci_driver));
  append_boot_item(bootdata, ZBI_TYPE_KERNEL_DRIVER, KDRV_ARM_GENERIC_TIMER, &timer_driver,
                   sizeof(timer_driver));

  // add platform ID
  append_boot_item(bootdata, ZBI_TYPE_PLATFORM_ID, 0, &platform_id, sizeof(platform_id));
}