1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com> 4 */ 5 6 #include <common.h> 7 #include <dm.h> 8 #include <irq_func.h> 9 10 /* 11 * cleanup_before_linux() is called just before we call linux 12 * it prepares the processor for linux 13 * 14 * we disable interrupt and caches. 15 */ cleanup_before_linux(void)16int cleanup_before_linux(void) 17 { 18 disable_interrupts(); 19 20 cache_flush(); 21 22 return 0; 23 } 24 25 /* To enumerate devices on the /soc/ node, create a "simple-bus" driver */ 26 static const struct udevice_id riscv_virtio_soc_ids[] = { 27 { .compatible = "riscv-virtio-soc" }, 28 { } 29 }; 30 31 U_BOOT_DRIVER(riscv_virtio_soc) = { 32 .name = "riscv_virtio_soc", 33 .id = UCLASS_SIMPLE_BUS, 34 .of_match = riscv_virtio_soc_ids, 35 .flags = DM_FLAG_PRE_RELOC, 36 }; 37