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 <cpu_func.h>
   8 #include <hang.h>
   9 #include <spl.h>
  10 #include <asm/smp.h>
  11
  12 DECLARE_GLOBAL_DATA_PTR;
  13
  14 __weak void board_init_f(ulong dummy)
  15 {
  16         int ret;
  17
  18         ret = spl_early_init();
  19         if (ret)
  20                 panic("spl_early_init() failed: %d\n", ret);
  21
  22         arch_cpu_init_dm();
  23
  24         preloader_console_init();
  25 }
  26
  27 void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
  28 {
  29         typedef void __noreturn (*image_entry_riscv_t)(ulong hart, void *dtb);
  30         void *fdt_blob;
  31         int ret;
  32
  33 #if CONFIG_IS_ENABLED(LOAD_FIT) || CONFIG_IS_ENABLED(LOAD_FIT_FULL)
  34         fdt_blob = spl_image->fdt_addr;
  35 #else
  36         fdt_blob = (void *)gd->fdt_blob;
  37 #endif
  38
  39         image_entry_riscv_t image_entry =
  40                 (image_entry_riscv_t)spl_image->entry_point;
  41         invalidate_icache_all();
  42
  43         debug("image entry point: 0x%lX\n", spl_image->entry_point);
  44 #ifdef CONFIG_SPL_SMP
  45         ret = smp_call_function(spl_image->entry_point, (ulong)fdt_blob, 0, 0);
  46         if (ret)
  47                 hang();
  48 #endif
  49         image_entry(gd->arch.boot_hart, fdt_blob);
  50 }