u-boot/board/emulation/qemu-riscv/qemu-riscv.c

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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com>
*/
#include <common.h>
#include <dm.h>
#include <dm/ofnode.h>
#include <env.h>
#include <fdtdec.h>
#include <image.h>
#include <log.h>
#include <spl.h>
#include <init.h>
#include <virtio_types.h>
#include <virtio.h>
DECLARE_GLOBAL_DATA_PTR;
#if IS_ENABLED(CONFIG_MTD_NOR_FLASH)
int is_flash_available(void)
{
if (!ofnode_equal(ofnode_by_compatible(ofnode_null(), "cfi-flash"),
ofnode_null()))
return 1;
return 0;
}
#endif
int board_init(void)
{
/*
* Make sure virtio bus is enumerated so that peripherals
* on the virtio bus can be discovered by their drivers
*/
virtio_init();
return 0;
}
int board_late_init(void)
{
return 0;
}
#ifdef CONFIG_SPL
u32 spl_boot_device(void)
{
/* RISC-V QEMU only supports RAM as SPL boot device */
return BOOT_DEVICE_RAM;
}
#endif
#ifdef CONFIG_SPL_LOAD_FIT
int board_fit_config_name_match(const char *name)
{
/* boot using first FIT config */
return 0;
}
#endif
void *board_fdt_blob_setup(int *err)
{
*err = 0;
/* Stored the DTB address there during our init */
return (void *)(ulong)gd->arch.firmware_fdt_addr;
}