xref: /OK3568_Linux_fs/u-boot/cmd/load_android.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1 /*
2  * Copyright (C) 2016 The Android Open Source Project
3  *
4  * SPDX-License-Identifier: BSD-2-Clause
5  */
6 
7 #include <common.h>
8 #include <command.h>
9 
do_load_android(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])10 static int do_load_android(cmd_tbl_t *cmdtp, int flag, int argc,
11 			   char * const argv[])
12 {
13 	int boot_partition;
14 	unsigned long load_address;
15 	char *addr_arg_endp, *addr_str;
16 	struct blk_desc *dev_desc;
17 	disk_partition_t part_info;
18 
19 	if (argc < 2)
20 		return CMD_RET_USAGE;
21 	if (argc > 4)
22 		return CMD_RET_USAGE;
23 
24 	if (argc >= 4) {
25 		load_address = simple_strtoul(argv[3], &addr_arg_endp, 16);
26 		if (addr_arg_endp == argv[3] || *addr_arg_endp != '\0')
27 			return CMD_RET_USAGE;
28 	} else {
29 		addr_str = env_get("loadaddr");
30 		if (addr_str != NULL)
31 			load_address = simple_strtoul(addr_str, NULL, 16);
32 		else
33 			load_address = CONFIG_SYS_LOAD_ADDR;
34 	}
35 
36 	boot_partition = blk_get_device_part_str(argv[1],
37 						 (argc >= 3) ? argv[2] : NULL,
38 						 &dev_desc, &part_info, 1);
39 	if (boot_partition < 0)
40 		return CMD_RET_FAILURE;
41 
42 	if (android_image_load(dev_desc, &part_info, load_address, -1UL) < 0) {
43 		printf("Error loading Android Image from %s %d:%d to 0x%lx.\n",
44 		       argv[1], dev_desc->devnum, boot_partition, load_address);
45 		return CMD_RET_FAILURE;
46 	}
47 	return CMD_RET_SUCCESS;
48 }
49 
50 U_BOOT_CMD(
51 	load_android, 4, 0, do_load_android,
52 	"load Android Boot image from storage.",
53 	"<interface> [<dev[:part]> [<addr>]]\n"
54 	"    - Load a binary Android Boot image from the partition 'part' on\n"
55 	"      device type 'interface' instance 'dev' to address 'addr'."
56 );
57