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570c0186 TL |
1 | /* |
2 | * | |
3 | * (C) Copyright 2000-2003 | |
4 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
5 | * | |
6 | * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. | |
7 | * TsiChung Liew (Tsi-Chung.Liew@freescale.com) | |
8 | * | |
9 | * See file CREDITS for list of people who contributed to this | |
10 | * project. | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or | |
13 | * modify it under the terms of the GNU General Public License as | |
14 | * published by the Free Software Foundation; either version 2 of | |
15 | * the License, or (at your option) any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License | |
23 | * along with this program; if not, write to the Free Software | |
24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
25 | * MA 02111-1307 USA | |
26 | */ | |
27 | ||
28 | #include <common.h> | |
29 | #include <watchdog.h> | |
30 | #include <command.h> | |
89973f8a | 31 | #include <netdev.h> |
570c0186 TL |
32 | |
33 | #include <asm/immap.h> | |
34 | ||
35 | DECLARE_GLOBAL_DATA_PTR; | |
36 | ||
37 | int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char *argv[]) | |
38 | { | |
39 | volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR); | |
40 | ||
41 | gptmr->pre = 10; | |
42 | gptmr->cnt = 1; | |
43 | ||
44 | /* enable watchdog, set timeout to 0 and wait */ | |
45 | gptmr->mode = GPT_TMS_SGPIO; | |
46 | gptmr->ctrl = GPT_CTRL_WDEN | GPT_CTRL_CE; | |
47 | ||
48 | /* we don't return! */ | |
49 | return 1; | |
50 | }; | |
51 | ||
52 | int checkcpu(void) | |
53 | { | |
54 | volatile siu_t *siu = (siu_t *) MMAP_SIU; | |
55 | u16 id = 0; | |
56 | ||
57 | puts("CPU: "); | |
58 | ||
59 | switch ((siu->jtagid & 0x000FF000) >> 12) { | |
60 | case 0x0C: | |
61 | id = 5485; | |
62 | break; | |
63 | case 0x0D: | |
64 | id = 5484; | |
65 | break; | |
66 | case 0x0E: | |
67 | id = 5483; | |
68 | break; | |
69 | case 0x0F: | |
70 | id = 5482; | |
71 | break; | |
72 | case 0x10: | |
73 | id = 5481; | |
74 | break; | |
75 | case 0x11: | |
76 | id = 5480; | |
77 | break; | |
78 | case 0x12: | |
79 | id = 5475; | |
80 | break; | |
81 | case 0x13: | |
82 | id = 5474; | |
83 | break; | |
84 | case 0x14: | |
85 | id = 5473; | |
86 | break; | |
87 | case 0x15: | |
88 | id = 5472; | |
89 | break; | |
90 | case 0x16: | |
91 | id = 5471; | |
92 | break; | |
93 | case 0x17: | |
94 | id = 5470; | |
95 | break; | |
96 | } | |
97 | ||
98 | if (id) { | |
99 | printf("Freescale MCF%d\n", id); | |
100 | printf(" CPU CLK %d Mhz BUS CLK %d Mhz\n", | |
101 | (int)(gd->cpu_clk / 1000000), | |
102 | (int)(gd->bus_clk / 1000000)); | |
103 | } | |
104 | ||
105 | return 0; | |
106 | }; | |
107 | ||
108 | #if defined(CONFIG_HW_WATCHDOG) | |
109 | /* Called by macro WATCHDOG_RESET */ | |
110 | void hw_watchdog_reset(void) | |
111 | { | |
112 | volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR); | |
113 | ||
114 | gptmr->ocpw = 0xa5; | |
115 | } | |
116 | ||
117 | int watchdog_disable(void) | |
118 | { | |
119 | volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR); | |
120 | ||
121 | /* UserManual, once the wdog is disabled, wdog cannot be re-enabled */ | |
122 | gptmr->mode = 0; | |
123 | gptmr->ctrl = 0; | |
124 | ||
125 | puts("WATCHDOG:disabled\n"); | |
126 | ||
127 | return (0); | |
128 | } | |
129 | ||
130 | int watchdog_init(void) | |
131 | { | |
132 | ||
133 | volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR); | |
134 | ||
135 | gptmr->pre = CONFIG_WATCHDOG_TIMEOUT; | |
6d0f6bcf | 136 | gptmr->cnt = CONFIG_SYS_TIMER_PRESCALER * 1000; |
570c0186 TL |
137 | |
138 | gptmr->mode = GPT_TMS_SGPIO; | |
139 | gptmr->ctrl = GPT_CTRL_CE | GPT_CTRL_WDEN; | |
140 | puts("WATCHDOG:enabled\n"); | |
141 | ||
142 | return (0); | |
143 | } | |
144 | #endif /* CONFIG_HW_WATCHDOG */ | |
b31da88b | 145 | |
86882b80 BW |
146 | #if defined(CONFIG_FSLDMAFEC) || defined(CONFIG_MCFFEC) |
147 | /* Default initializations for MCFFEC controllers. To override, | |
148 | * create a board-specific function called: | |
149 | * int board_eth_init(bd_t *bis) | |
150 | */ | |
151 | ||
b31da88b BW |
152 | int cpu_eth_init(bd_t *bis) |
153 | { | |
86882b80 BW |
154 | #if defined(CONFIG_FSLDMAFEC) |
155 | mcdmafec_initialize(bis); | |
156 | #endif | |
157 | #if defined(CONFIG_MCFFEC) | |
158 | mcffec_initialize(bis); | |
159 | #endif | |
160 | return 0; | |
b31da88b BW |
161 | } |
162 | #endif |