uboot/board/intercontrol/digsy_mtc/cmd_disp.c
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   1/*
   2 * (C) Copyright 2011 DENX Software Engineering,
   3 * Anatolij Gustschin <agust@denx.de>
   4 *
   5 * SPDX-License-Identifier:     GPL-2.0+
   6 */
   7
   8#include <common.h>
   9#include <command.h>
  10#include <mpc5xxx.h>
  11#include <asm/io.h>
  12
  13#define GPIO_USB1_0     0x00010000
  14
  15static int cmd_disp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  16{
  17        struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO;
  18
  19        if (argc < 2) {
  20                printf("%s\n",
  21                       in_be32(&gpio->simple_dvo) & GPIO_USB1_0 ? "on" : "off");
  22                return 0;
  23        }
  24
  25        if (!strncmp(argv[1], "on", 2)) {
  26                setbits_be32(&gpio->simple_dvo, GPIO_USB1_0);
  27        } else if (!strncmp(argv[1], "off", 3)) {
  28                clrbits_be32(&gpio->simple_dvo, GPIO_USB1_0);
  29        } else {
  30                cmd_usage(cmdtp);
  31                return 1;
  32        }
  33        return 0;
  34}
  35
  36U_BOOT_CMD(disp, 2, 1, cmd_disp,
  37                "disp [on/off] - switch display on/off",
  38                "\n    - print display on/off status\n"
  39                "on\n    - turn on\n"
  40                "off\n    - turn off\n"
  41);
  42