| Wolfgang Denk | ba94093 | 2006-07-19 13:50:38 +0200 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2005 - 2006 |
| 3 | * Martin Krause, TQ-Systems GmbH, martin.krause@tqs.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 | /* |
| 25 | * TB5200 specific functions |
| 26 | */ |
| 27 | /*#define DEBUG*/ |
| 28 | |
| 29 | #include <common.h> |
| 30 | #include <command.h> |
| 31 | |
| 32 | #if (CONFIG_COMMANDS & CFG_CMD_BSP) |
| 33 | #if defined (CONFIG_TB5200) |
| 34 | |
| 35 | #define SM501_PANEL_DISPLAY_CONTROL 0x00080000UL |
| 36 | |
| 37 | static void led_init(void) |
| 38 | { |
| 39 | struct mpc5xxx_gpt_0_7 *gpt = (struct mpc5xxx_gpt_0_7 *)MPC5XXX_GPT; |
| 40 | |
| 41 | /* configure timer 4 for simple GPIO output */ |
| 42 | gpt->gpt4.emsr |= 0x00000024; |
| 43 | } |
| 44 | |
| 45 | int cmd_led(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
| 46 | { |
| 47 | struct mpc5xxx_gpt_0_7 *gpt = (struct mpc5xxx_gpt_0_7 *)MPC5XXX_GPT; |
| 48 | |
| 49 | led_init(); |
| 50 | |
| 51 | if (strcmp (argv[1], "on") == 0) { |
| 52 | debug ("switch status LED on\n"); |
| 53 | gpt->gpt4.emsr |= (1 << 4); |
| 54 | } else if (strcmp (argv[1], "off") == 0) { |
| 55 | debug ("switch status LED off\n"); |
| 56 | gpt->gpt4.emsr &= ~(1 << 4); |
| 57 | } else { |
| 58 | printf ("Usage:\nled on/off\n"); |
| 59 | return 1; |
| 60 | } |
| 61 | |
| 62 | return 0; |
| 63 | } |
| 64 | |
| 65 | static void sm501_backlight (unsigned int state) |
| 66 | { |
| 67 | if (state == 1) { |
| 68 | *(vu_long *)(SM501_MMIO_BASE+SM501_PANEL_DISPLAY_CONTROL) |= |
| 69 | (1 << 26) | (1 << 27); |
| 70 | } else if (state == 0) |
| 71 | *(vu_long *)(SM501_MMIO_BASE+SM501_PANEL_DISPLAY_CONTROL) &= |
| 72 | ~((1 << 26) | (1 << 27)); |
| 73 | } |
| 74 | |
| 75 | int cmd_backlight(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
| 76 | { |
| 77 | if (strcmp (argv[1], "on") == 0) { |
| 78 | debug ("switch backlight on\n"); |
| 79 | sm501_backlight (1); |
| 80 | } else if (strcmp (argv[1], "off") == 0) { |
| 81 | debug ("switch backlight off\n"); |
| 82 | sm501_backlight (0); |
| 83 | } else { |
| 84 | printf ("Usage:\nbacklight on/off\n"); |
| 85 | return 1; |
| 86 | } |
| 87 | |
| 88 | return 0; |
| 89 | } |
| 90 | |
| 91 | U_BOOT_CMD( |
| 92 | led , 2, 1, cmd_led, |
| 93 | "led - switch status LED on or off\n", |
| 94 | "on/off\n" |
| 95 | ); |
| 96 | |
| 97 | U_BOOT_CMD( |
| 98 | backlight , 2, 1, cmd_backlight, |
| 99 | "backlight - switch backlight on or off\n", |
| 100 | "on/off\n" |
| 101 | ); |
| 102 | |
| 103 | #endif /* CONFIG_STK52XX */ |
| 104 | #endif /* CFG_CMD_BSP */ |