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/global_data.h>
  13 #include <asm/smp.h>
  14
  15 DECLARE_GLOBAL_DATA_PTR;
  16
  17 __weak int spl_board_init_f(void)
  18 {
  19         return 0;
  20 }
  21
  22 __weak void board_init_f(ulong dummy)
  23 {
  24         int ret;
  25
  26         ret = spl_early_init();
  27         if (ret)
  28                 panic("spl_early_init() failed: %d\n", ret);
  29
  30         arch_cpu_init_dm();
  31
  32         preloader_console_init();
  33
  34         ret = spl_board_init_f();
  35         if (ret)
  36                 panic("spl_board_init_f() failed: %d\n", ret);
  37 }
  38
  39 void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
  40 {
  41         typedef void __noreturn (*image_entry_riscv_t)(ulong hart, void *dtb);
  42         void *fdt_blob;
  43         __maybe_unused int ret;
  44
  45 #if CONFIG_IS_ENABLED(LOAD_FIT) || CONFIG_IS_ENABLED(LOAD_FIT_FULL)
  46         fdt_blob = spl_image->fdt_addr;
  47 #else
  48         fdt_blob = (void *)gd->fdt_blob;
  49 #endif
  50
  51         image_entry_riscv_t image_entry =
  52                 (image_entry_riscv_t)spl_image->entry_point;
  53         invalidate_icache_all();
  54
  55         debug("image entry point: 0x%lX\n", spl_image->entry_point);
  56 #ifdef CONFIG_SPL_SMP
  57         ret = smp_call_function(spl_image->entry_point, (ulong)fdt_blob, 0, 0);
  58         if (ret)
  59                 hang();
  60 #endif
  61         image_entry(gd->arch.boot_hart, fdt_blob);
  62 }