1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright (c) 2016 Google, Inc 4 */ 5 6 #include <common.h> 7 #include <dm.h> 8 #include <os.h> 9 #include <spl.h> 10 #include <asm/spl.h> 11 #include <asm/state.h> 12 13 DECLARE_GLOBAL_DATA_PTR; 14 15 void board_init_f(ulong flag) 16 { 17 struct sandbox_state *state = state_get_current(); 18 19 gd->arch.ram_buf = state->ram_buf; 20 gd->ram_size = state->ram_size; 21 } 22 23 u32 spl_boot_device(void) 24 { 25 return BOOT_DEVICE_BOARD; 26 } 27 28 static int spl_board_load_image(struct spl_image_info *spl_image, 29 struct spl_boot_device *bootdev) 30 { 31 char fname[256]; 32 int ret; 33 34 ret = os_find_u_boot(fname, sizeof(fname)); 35 if (ret) { 36 printf("(%s not found, error %d)\n", fname, ret); 37 return ret; 38 } 39 40 /* Set up spl_image to boot from jump_to_image_no_args() */ 41 spl_image->arg = strdup(fname); 42 if (!spl_image->arg) 43 return log_msg_ret("Setup exec filename", -ENOMEM); 44 45 return 0; 46 } 47 SPL_LOAD_IMAGE_METHOD("sandbox", 0, BOOT_DEVICE_BOARD, spl_board_load_image); 48 49 void spl_board_init(void) 50 { 51 struct sandbox_state *state = state_get_current(); 52 struct udevice *dev; 53 54 preloader_console_init(); 55 if (state->show_of_platdata) { 56 /* 57 * Scan all the devices so that we can output their platform 58 * data. See sandbox_spl_probe(). 59 */ 60 printf("Scanning misc devices\n"); 61 for (uclass_first_device(UCLASS_MISC, &dev); 62 dev; 63 uclass_next_device(&dev)) 64 ; 65 } 66 } 67 68 void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image) 69 { 70 const char *fname = spl_image->arg; 71 72 if (fname) { 73 os_fd_restore(); 74 os_spl_to_uboot(fname); 75 } else { 76 printf("No filename provided for U-Boot\n"); 77 } 78 hang(); 79 } 80