riscv: add SPL support
[oweals/u-boot.git] / arch / riscv / lib / spl.c
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2019 Fraunhofer AISEC,
4  * Lukas Auer <lukas.auer@aisec.fraunhofer.de>
5  */
6 #include <common.h>
7 #include <spl.h>
8 #include <asm/smp.h>
9
10 DECLARE_GLOBAL_DATA_PTR;
11
12 __weak void board_init_f(ulong dummy)
13 {
14         int ret;
15
16         ret = spl_early_init();
17         if (ret)
18                 panic("spl_early_init() failed: %d\n", ret);
19
20         arch_cpu_init_dm();
21
22         preloader_console_init();
23 }
24
25 void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
26 {
27         typedef void __noreturn (*image_entry_riscv_t)(ulong hart, void *dtb);
28         void *fdt_blob;
29         int ret;
30
31 #if CONFIG_IS_ENABLED(LOAD_FIT) || CONFIG_IS_ENABLED(LOAD_FIT_FULL)
32         fdt_blob = spl_image->fdt_addr;
33 #else
34         fdt_blob = (void *)gd->fdt_blob;
35 #endif
36
37         image_entry_riscv_t image_entry =
38                 (image_entry_riscv_t)spl_image->entry_point;
39         invalidate_icache_all();
40
41         debug("image entry point: 0x%lX\n", spl_image->entry_point);
42 #ifdef CONFIG_SMP
43         ret = smp_call_function(spl_image->entry_point, (ulong)fdt_blob, 0);
44         if (ret)
45                 hang();
46 #endif
47         image_entry(gd->arch.boot_hart, fdt_blob);
48 }