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author | 2023-10-10 14:33:42 +0000 | |
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committer | 2023-10-10 14:33:42 +0000 | |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/board/emulation/qemu-riscv/qemu-riscv.c | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/board/emulation/qemu-riscv/qemu-riscv.c')
-rw-r--r-- | roms/u-boot/board/emulation/qemu-riscv/qemu-riscv.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/roms/u-boot/board/emulation/qemu-riscv/qemu-riscv.c b/roms/u-boot/board/emulation/qemu-riscv/qemu-riscv.c new file mode 100644 index 000000000..dcfd3f20b --- /dev/null +++ b/roms/u-boot/board/emulation/qemu-riscv/qemu-riscv.c @@ -0,0 +1,71 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com> + */ + +#include <common.h> +#include <dm.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> + +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) +{ + ulong kernel_start; + ofnode chosen_node; + int ret; + + chosen_node = ofnode_path("/chosen"); + if (!ofnode_valid(chosen_node)) { + debug("No chosen node found, can't get kernel start address\n"); + return 0; + } + +#ifdef CONFIG_ARCH_RV64I + ret = ofnode_read_u64(chosen_node, "riscv,kernel-start", + (u64 *)&kernel_start); +#else + ret = ofnode_read_u32(chosen_node, "riscv,kernel-start", + (u32 *)&kernel_start); +#endif + if (ret) { + debug("Can't find kernel start address in device tree\n"); + return 0; + } + + env_set_hex("kernel_start", kernel_start); + + 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 |