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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 | ||
9107ebe0 | 32 | #if (CONFIG_COMMANDS & CFG_CMD_BSP) || defined(CONFIG_CMD_BSP) |
b87dfd28 WD |
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 */ |