57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
/*
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* Copyright (c) 2009 Wind River Systems, Inc.
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* Tom Rix <Tom.Rix@windriver.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <command.h>
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#if defined(CONFIG_CMD_VOLTAGE)
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/* To use, the board should define its own voltag_info function */
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void inline __voltage_info (void) {}
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void voltage_info (void) __attribute__((weak, alias("__voltage_info")));
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int do_voltage (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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{
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int ret = 1;
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if (argc < 2) {
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printf("Usage:\n%s\n", cmdtp->usage);
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} else {
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if (0 == strncmp(argv[1], "info", 4)) {
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voltage_info();
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} else {
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printf("Unsupported option:\n%s\n", argv[1]);
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printf("Usage:\n%s\n", cmdtp->usage);
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}
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}
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return ret;
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}
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U_BOOT_CMD(
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voltage, 2, 1, do_voltage,
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"voltage - Manage system voltages\n",
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" options : \n"
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" info - display voltage information\n"
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);
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#endif /* CONFIG_CMD_VOLTAGE */
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