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50 lines
1.1 KiB
50 lines
1.1 KiB
/*
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* Copyright (C) Copyright 2022 Rockchip Electronics Co., Ltd
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <dm.h>
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static int blk_curr_iftype; /* 0: IF_TYPE_UNKNOWN */
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static int blk_curr_dev = -1;
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static int do_blk(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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int curr_iftype;
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int curr_dev;
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if (argc < 4)
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return CMD_RET_USAGE;
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if (!strcmp(argv[1], "dev") && argc == 4) {
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curr_iftype = if_typename_to_iftype(argv[2]);
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curr_dev = simple_strtoul(argv[3], NULL, 16);
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if (!blk_show_device(curr_iftype, curr_dev)) {
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blk_curr_iftype = curr_iftype;
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blk_curr_dev = curr_dev;
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printf("... is now current device\n");
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return CMD_RET_SUCCESS;
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} else {
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return CMD_RET_FAILURE;
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}
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}
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if (!blk_curr_iftype || blk_curr_dev == -1) {
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printf("Set the `blk dev <interface> <devnum>` before other command\n\n");
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return CMD_RET_USAGE;
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}
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return blk_common_cmd(argc, argv, blk_curr_iftype, &blk_curr_dev);
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}
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U_BOOT_CMD(
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blk, 5, 1, do_blk,
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"Block device sub-system",
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"dev <interface> <devnum>\n"
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"blk read <addr> <blk#> cnt\n"
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"blk write <addr> <blk#> cnt\n"
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"blk erase <blk#> cnt\n"
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);
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