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 <init.h>
  10 #include <log.h>
  11 #include <spl.h>
  12 #include <asm/smp.h>
  13
  14 DECLARE_GLOBAL_DATA_PTR;
  15
  16 __weak int spl_board_init_f(void)
  17 {
  18         return 0;
  19 }
  20
  21 __weak void board_init_f(ulong dummy)
  22 {
  23         int ret;
  24
  25         ret = spl_early_init();
  26         if (ret)
  27                 panic("spl_early_init() failed: %d\n", ret);
  28
  29         arch_cpu_init_dm();
  30
  31         preloader_console_init();
  32
  33         ret = spl_board_init_f();
  34         if (ret)
  35                 panic("spl_board_init_f() failed: %d\n", ret);
  36 }
  37
  38 void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
  39 {
  40         typedef void __noreturn (*image_entry_riscv_t)(ulong hart, void *dtb);
  41         void *fdt_blob;
  42         __maybe_unused int ret;
  43
  44 #if CONFIG_IS_ENABLED(LOAD_FIT) || CONFIG_IS_ENABLED(LOAD_FIT_FULL)
  45         fdt_blob = spl_image->fdt_addr;
  46 #else
  47         fdt_blob = (void *)gd->fdt_blob;
  48 #endif
  49
  50         image_entry_riscv_t image_entry =
  51                 (image_entry_riscv_t)spl_image->entry_point;
  52         invalidate_icache_all();
  53
  54         debug("image entry point: 0x%lX\n", spl_image->entry_point);
  55 #ifdef CONFIG_SPL_SMP
  56         ret = smp_call_function(spl_image->entry_point, (ulong)fdt_blob, 0, 0);
  57         if (ret)
  58                 hang();
  59 #endif
  60         image_entry(gd->arch.boot_hart, fdt_blob);
  61 }