Anatolij Gustschin | 0abdd6b | 2011-05-29 21:16:20 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2011 DENX Software Engineering, |
| 3 | * Anatolij Gustschin <agust@denx.de> |
| 4 | * |
| 5 | * See file CREDITS for list of people who contributed to this |
| 6 | * project. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation; either version 2 of |
| 11 | * the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 21 | * MA 02111-1307 USA |
| 22 | */ |
| 23 | |
| 24 | #include <common.h> |
| 25 | #include <command.h> |
| 26 | #include <mpc5xxx.h> |
| 27 | #include <asm/io.h> |
| 28 | |
| 29 | #define GPIO_USB1_0 0x00010000 |
| 30 | |
| 31 | static int cmd_disp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
| 32 | { |
| 33 | struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO; |
| 34 | |
| 35 | if (argc < 2) { |
| 36 | printf("%s\n", |
| 37 | in_be32(&gpio->simple_dvo) & GPIO_USB1_0 ? "on" : "off"); |
| 38 | return 0; |
| 39 | } |
| 40 | |
| 41 | if (!strncmp(argv[1], "on", 2)) { |
| 42 | setbits_be32(&gpio->simple_dvo, GPIO_USB1_0); |
| 43 | } else if (!strncmp(argv[1], "off", 3)) { |
| 44 | clrbits_be32(&gpio->simple_dvo, GPIO_USB1_0); |
| 45 | } else { |
| 46 | cmd_usage(cmdtp); |
| 47 | return 1; |
| 48 | } |
| 49 | return 0; |
| 50 | } |
| 51 | |
| 52 | U_BOOT_CMD(disp, 2, 1, cmd_disp, |
| 53 | "disp [on/off] - switch display on/off", |
| 54 | "\n - print display on/off status\n" |
| 55 | "on\n - turn on\n" |
| 56 | "off\n - turn off\n" |
| 57 | ); |