1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright (C) Copyright 2022 Rockchip Electronics Co., Ltd
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun #include <dm.h>
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun static int blk_curr_iftype; /* 0: IF_TYPE_UNKNOWN */
11*4882a593Smuzhiyun static int blk_curr_dev = -1;
12*4882a593Smuzhiyun
do_blk(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])13*4882a593Smuzhiyun static int do_blk(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
14*4882a593Smuzhiyun {
15*4882a593Smuzhiyun int curr_iftype;
16*4882a593Smuzhiyun int curr_dev;
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun if (argc < 4)
19*4882a593Smuzhiyun return CMD_RET_USAGE;
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun if (!strcmp(argv[1], "dev") && argc == 4) {
22*4882a593Smuzhiyun curr_iftype = if_typename_to_iftype(argv[2]);
23*4882a593Smuzhiyun curr_dev = simple_strtoul(argv[3], NULL, 16);
24*4882a593Smuzhiyun if (!blk_show_device(curr_iftype, curr_dev)) {
25*4882a593Smuzhiyun blk_curr_iftype = curr_iftype;
26*4882a593Smuzhiyun blk_curr_dev = curr_dev;
27*4882a593Smuzhiyun printf("... is now current device\n");
28*4882a593Smuzhiyun return CMD_RET_SUCCESS;
29*4882a593Smuzhiyun } else {
30*4882a593Smuzhiyun return CMD_RET_FAILURE;
31*4882a593Smuzhiyun }
32*4882a593Smuzhiyun }
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun if (!blk_curr_iftype || blk_curr_dev == -1) {
35*4882a593Smuzhiyun printf("Set the `blk dev <interface> <devnum>` before other command\n\n");
36*4882a593Smuzhiyun return CMD_RET_USAGE;
37*4882a593Smuzhiyun }
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun return blk_common_cmd(argc, argv, blk_curr_iftype, &blk_curr_dev);
40*4882a593Smuzhiyun }
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun U_BOOT_CMD(
43*4882a593Smuzhiyun blk, 5, 1, do_blk,
44*4882a593Smuzhiyun "Block device sub-system",
45*4882a593Smuzhiyun "dev <interface> <devnum>\n"
46*4882a593Smuzhiyun "blk read <addr> <blk#> cnt\n"
47*4882a593Smuzhiyun "blk write <addr> <blk#> cnt\n"
48*4882a593Smuzhiyun "blk erase <blk#> cnt\n"
49*4882a593Smuzhiyun );
50*4882a593Smuzhiyun
51