1*ad9dac3aSJoseph Chen /*
2*ad9dac3aSJoseph Chen * Copyright (C) Copyright 2022 Rockchip Electronics Co., Ltd
3*ad9dac3aSJoseph Chen *
4*ad9dac3aSJoseph Chen * SPDX-License-Identifier: GPL-2.0+
5*ad9dac3aSJoseph Chen */
6*ad9dac3aSJoseph Chen
7*ad9dac3aSJoseph Chen #include <common.h>
8*ad9dac3aSJoseph Chen #include <dm.h>
9*ad9dac3aSJoseph Chen
10*ad9dac3aSJoseph Chen static int blk_curr_iftype; /* 0: IF_TYPE_UNKNOWN */
11*ad9dac3aSJoseph Chen static int blk_curr_dev = -1;
12*ad9dac3aSJoseph Chen
do_blk(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])13*ad9dac3aSJoseph Chen static int do_blk(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
14*ad9dac3aSJoseph Chen {
15*ad9dac3aSJoseph Chen int curr_iftype;
16*ad9dac3aSJoseph Chen int curr_dev;
17*ad9dac3aSJoseph Chen
18*ad9dac3aSJoseph Chen if (argc < 4)
19*ad9dac3aSJoseph Chen return CMD_RET_USAGE;
20*ad9dac3aSJoseph Chen
21*ad9dac3aSJoseph Chen if (!strcmp(argv[1], "dev") && argc == 4) {
22*ad9dac3aSJoseph Chen curr_iftype = if_typename_to_iftype(argv[2]);
23*ad9dac3aSJoseph Chen curr_dev = simple_strtoul(argv[3], NULL, 16);
24*ad9dac3aSJoseph Chen if (!blk_show_device(curr_iftype, curr_dev)) {
25*ad9dac3aSJoseph Chen blk_curr_iftype = curr_iftype;
26*ad9dac3aSJoseph Chen blk_curr_dev = curr_dev;
27*ad9dac3aSJoseph Chen printf("... is now current device\n");
28*ad9dac3aSJoseph Chen return CMD_RET_SUCCESS;
29*ad9dac3aSJoseph Chen } else {
30*ad9dac3aSJoseph Chen return CMD_RET_FAILURE;
31*ad9dac3aSJoseph Chen }
32*ad9dac3aSJoseph Chen }
33*ad9dac3aSJoseph Chen
34*ad9dac3aSJoseph Chen if (!blk_curr_iftype || blk_curr_dev == -1) {
35*ad9dac3aSJoseph Chen printf("Set the `blk dev <interface> <devnum>` before other command\n\n");
36*ad9dac3aSJoseph Chen return CMD_RET_USAGE;
37*ad9dac3aSJoseph Chen }
38*ad9dac3aSJoseph Chen
39*ad9dac3aSJoseph Chen return blk_common_cmd(argc, argv, blk_curr_iftype, &blk_curr_dev);
40*ad9dac3aSJoseph Chen }
41*ad9dac3aSJoseph Chen
42*ad9dac3aSJoseph Chen U_BOOT_CMD(
43*ad9dac3aSJoseph Chen blk, 5, 1, do_blk,
44*ad9dac3aSJoseph Chen "Block device sub-system",
45*ad9dac3aSJoseph Chen "dev <interface> <devnum>\n"
46*ad9dac3aSJoseph Chen "blk read <addr> <blk#> cnt\n"
47*ad9dac3aSJoseph Chen "blk write <addr> <blk#> cnt\n"
48*ad9dac3aSJoseph Chen "blk erase <blk#> cnt\n"
49*ad9dac3aSJoseph Chen );
50*ad9dac3aSJoseph Chen
51