diff options
Diffstat (limited to 'board/intercontrol/digsy_mtc/cmd_disp.c')
-rw-r--r-- | board/intercontrol/digsy_mtc/cmd_disp.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/board/intercontrol/digsy_mtc/cmd_disp.c b/board/intercontrol/digsy_mtc/cmd_disp.c new file mode 100644 index 0000000000..d5f5efb1ca --- /dev/null +++ b/board/intercontrol/digsy_mtc/cmd_disp.c @@ -0,0 +1,57 @@ +/* + * (C) Copyright 2011 DENX Software Engineering, + * Anatolij Gustschin <agust@denx.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <command.h> +#include <mpc5xxx.h> +#include <asm/io.h> + +#define GPIO_USB1_0 0x00010000 + +static int cmd_disp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO; + + if (argc < 2) { + printf("%s\n", + in_be32(&gpio->simple_dvo) & GPIO_USB1_0 ? "on" : "off"); + return 0; + } + + if (!strncmp(argv[1], "on", 2)) { + setbits_be32(&gpio->simple_dvo, GPIO_USB1_0); + } else if (!strncmp(argv[1], "off", 3)) { + clrbits_be32(&gpio->simple_dvo, GPIO_USB1_0); + } else { + cmd_usage(cmdtp); + return 1; + } + return 0; +} + +U_BOOT_CMD(disp, 2, 1, cmd_disp, + "disp [on/off] - switch display on/off", + "\n - print display on/off status\n" + "on\n - turn on\n" + "off\n - turn off\n" +); |