xref: /OK3568_Linux_fs/u-boot/cmd/load_android.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) 2016 The Android Open Source Project
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * SPDX-License-Identifier: BSD-2-Clause
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun #include <command.h>
9*4882a593Smuzhiyun 
do_load_android(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])10*4882a593Smuzhiyun static int do_load_android(cmd_tbl_t *cmdtp, int flag, int argc,
11*4882a593Smuzhiyun 			   char * const argv[])
12*4882a593Smuzhiyun {
13*4882a593Smuzhiyun 	int boot_partition;
14*4882a593Smuzhiyun 	unsigned long load_address;
15*4882a593Smuzhiyun 	char *addr_arg_endp, *addr_str;
16*4882a593Smuzhiyun 	struct blk_desc *dev_desc;
17*4882a593Smuzhiyun 	disk_partition_t part_info;
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun 	if (argc < 2)
20*4882a593Smuzhiyun 		return CMD_RET_USAGE;
21*4882a593Smuzhiyun 	if (argc > 4)
22*4882a593Smuzhiyun 		return CMD_RET_USAGE;
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun 	if (argc >= 4) {
25*4882a593Smuzhiyun 		load_address = simple_strtoul(argv[3], &addr_arg_endp, 16);
26*4882a593Smuzhiyun 		if (addr_arg_endp == argv[3] || *addr_arg_endp != '\0')
27*4882a593Smuzhiyun 			return CMD_RET_USAGE;
28*4882a593Smuzhiyun 	} else {
29*4882a593Smuzhiyun 		addr_str = env_get("loadaddr");
30*4882a593Smuzhiyun 		if (addr_str != NULL)
31*4882a593Smuzhiyun 			load_address = simple_strtoul(addr_str, NULL, 16);
32*4882a593Smuzhiyun 		else
33*4882a593Smuzhiyun 			load_address = CONFIG_SYS_LOAD_ADDR;
34*4882a593Smuzhiyun 	}
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun 	boot_partition = blk_get_device_part_str(argv[1],
37*4882a593Smuzhiyun 						 (argc >= 3) ? argv[2] : NULL,
38*4882a593Smuzhiyun 						 &dev_desc, &part_info, 1);
39*4882a593Smuzhiyun 	if (boot_partition < 0)
40*4882a593Smuzhiyun 		return CMD_RET_FAILURE;
41*4882a593Smuzhiyun 
42*4882a593Smuzhiyun 	if (android_image_load(dev_desc, &part_info, load_address, -1UL) < 0) {
43*4882a593Smuzhiyun 		printf("Error loading Android Image from %s %d:%d to 0x%lx.\n",
44*4882a593Smuzhiyun 		       argv[1], dev_desc->devnum, boot_partition, load_address);
45*4882a593Smuzhiyun 		return CMD_RET_FAILURE;
46*4882a593Smuzhiyun 	}
47*4882a593Smuzhiyun 	return CMD_RET_SUCCESS;
48*4882a593Smuzhiyun }
49*4882a593Smuzhiyun 
50*4882a593Smuzhiyun U_BOOT_CMD(
51*4882a593Smuzhiyun 	load_android, 4, 0, do_load_android,
52*4882a593Smuzhiyun 	"load Android Boot image from storage.",
53*4882a593Smuzhiyun 	"<interface> [<dev[:part]> [<addr>]]\n"
54*4882a593Smuzhiyun 	"    - Load a binary Android Boot image from the partition 'part' on\n"
55*4882a593Smuzhiyun 	"      device type 'interface' instance 'dev' to address 'addr'."
56*4882a593Smuzhiyun );
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