1*83d290c5STom Rini // SPDX-License-Identifier: GPL-2.0+
2a4145534SPeter Tyser /*
3a4145534SPeter Tyser *
4a4145534SPeter Tyser * (C) Copyright 2000-2003
5a4145534SPeter Tyser * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6a4145534SPeter Tyser *
7a4110eecSAlison Wang * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
8a4145534SPeter Tyser * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
9a4145534SPeter Tyser */
10a4145534SPeter Tyser
11a4145534SPeter Tyser #include <common.h>
12a4145534SPeter Tyser #include <watchdog.h>
13a4145534SPeter Tyser #include <command.h>
14a4145534SPeter Tyser #include <netdev.h>
15a4145534SPeter Tyser
16a4145534SPeter Tyser #include <asm/immap.h>
17a4110eecSAlison Wang #include <asm/io.h>
18a4145534SPeter Tyser
19a4145534SPeter Tyser DECLARE_GLOBAL_DATA_PTR;
20a4145534SPeter Tyser
do_reset(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])21882b7d72SMike Frysinger int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
22a4145534SPeter Tyser {
23a4110eecSAlison Wang gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
24a4145534SPeter Tyser
25a4110eecSAlison Wang out_be16(&gptmr->pre, 10);
26a4110eecSAlison Wang out_be16(&gptmr->cnt, 1);
27a4145534SPeter Tyser
28a4145534SPeter Tyser /* enable watchdog, set timeout to 0 and wait */
29a4110eecSAlison Wang out_8(&gptmr->mode, GPT_TMS_SGPIO);
30a4110eecSAlison Wang out_8(&gptmr->ctrl, GPT_CTRL_WDEN | GPT_CTRL_CE);
31a4145534SPeter Tyser
32a4145534SPeter Tyser /* we don't return! */
33a4145534SPeter Tyser return 1;
34a4145534SPeter Tyser };
35a4145534SPeter Tyser
36b9153fe3SAngelo Dureghello #if defined(CONFIG_DISPLAY_CPUINFO)
print_cpuinfo(void)37b9153fe3SAngelo Dureghello int print_cpuinfo(void)
38a4145534SPeter Tyser {
39a4110eecSAlison Wang siu_t *siu = (siu_t *) MMAP_SIU;
40a4145534SPeter Tyser u16 id = 0;
41a4145534SPeter Tyser
42a4145534SPeter Tyser puts("CPU: ");
43a4145534SPeter Tyser
44a4110eecSAlison Wang switch ((in_be32(&siu->jtagid) & 0x000FF000) >> 12) {
45a4145534SPeter Tyser case 0x0C:
46a4145534SPeter Tyser id = 5485;
47a4145534SPeter Tyser break;
48a4145534SPeter Tyser case 0x0D:
49a4145534SPeter Tyser id = 5484;
50a4145534SPeter Tyser break;
51a4145534SPeter Tyser case 0x0E:
52a4145534SPeter Tyser id = 5483;
53a4145534SPeter Tyser break;
54a4145534SPeter Tyser case 0x0F:
55a4145534SPeter Tyser id = 5482;
56a4145534SPeter Tyser break;
57a4145534SPeter Tyser case 0x10:
58a4145534SPeter Tyser id = 5481;
59a4145534SPeter Tyser break;
60a4145534SPeter Tyser case 0x11:
61a4145534SPeter Tyser id = 5480;
62a4145534SPeter Tyser break;
63a4145534SPeter Tyser case 0x12:
64a4145534SPeter Tyser id = 5475;
65a4145534SPeter Tyser break;
66a4145534SPeter Tyser case 0x13:
67a4145534SPeter Tyser id = 5474;
68a4145534SPeter Tyser break;
69a4145534SPeter Tyser case 0x14:
70a4145534SPeter Tyser id = 5473;
71a4145534SPeter Tyser break;
72a4145534SPeter Tyser case 0x15:
73a4145534SPeter Tyser id = 5472;
74a4145534SPeter Tyser break;
75a4145534SPeter Tyser case 0x16:
76a4145534SPeter Tyser id = 5471;
77a4145534SPeter Tyser break;
78a4145534SPeter Tyser case 0x17:
79a4145534SPeter Tyser id = 5470;
80a4145534SPeter Tyser break;
81a4145534SPeter Tyser }
82a4145534SPeter Tyser
83a4145534SPeter Tyser if (id) {
84a4145534SPeter Tyser char buf1[32], buf2[32];
85a4145534SPeter Tyser
86a4145534SPeter Tyser printf("Freescale MCF%d\n", id);
87a4145534SPeter Tyser printf(" CPU CLK %s MHz BUS CLK %s MHz\n",
88a4145534SPeter Tyser strmhz(buf1, gd->cpu_clk),
89a4145534SPeter Tyser strmhz(buf2, gd->bus_clk));
90a4145534SPeter Tyser }
91a4145534SPeter Tyser
92a4145534SPeter Tyser return 0;
93a4145534SPeter Tyser };
94b9153fe3SAngelo Dureghello #endif /* CONFIG_DISPLAY_CPUINFO */
95a4145534SPeter Tyser
96a4145534SPeter Tyser #if defined(CONFIG_HW_WATCHDOG)
97a4145534SPeter Tyser /* Called by macro WATCHDOG_RESET */
hw_watchdog_reset(void)98a4145534SPeter Tyser void hw_watchdog_reset(void)
99a4145534SPeter Tyser {
100a4110eecSAlison Wang gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
101a4145534SPeter Tyser
102a4110eecSAlison Wang out_8(&gptmr->ocpw, 0xa5);
103a4145534SPeter Tyser }
104a4145534SPeter Tyser
watchdog_disable(void)105a4145534SPeter Tyser int watchdog_disable(void)
106a4145534SPeter Tyser {
107a4110eecSAlison Wang gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
108a4145534SPeter Tyser
109a4145534SPeter Tyser /* UserManual, once the wdog is disabled, wdog cannot be re-enabled */
110a4110eecSAlison Wang out_8(&gptmr->mode, 0);
111a4110eecSAlison Wang out_8(&gptmr->ctrl, 0);
112a4145534SPeter Tyser
113a4145534SPeter Tyser puts("WATCHDOG:disabled\n");
114a4145534SPeter Tyser
115a4145534SPeter Tyser return (0);
116a4145534SPeter Tyser }
117a4145534SPeter Tyser
watchdog_init(void)118a4145534SPeter Tyser int watchdog_init(void)
119a4145534SPeter Tyser {
120a4110eecSAlison Wang gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
121a4145534SPeter Tyser
122a4110eecSAlison Wang out_be16(&gptmr->pre, CONFIG_WATCHDOG_TIMEOUT);
123a4110eecSAlison Wang out_be16(&gptmr->cnt, CONFIG_SYS_TIMER_PRESCALER * 1000);
124a4145534SPeter Tyser
125a4110eecSAlison Wang out_8(&gptmr->mode, GPT_TMS_SGPIO);
126a4110eecSAlison Wang out_8(&gptmr->ctrl, GPT_CTRL_CE | GPT_CTRL_WDEN);
127a4145534SPeter Tyser puts("WATCHDOG:enabled\n");
128a4145534SPeter Tyser
129a4145534SPeter Tyser return (0);
130a4145534SPeter Tyser }
131a4145534SPeter Tyser #endif /* CONFIG_HW_WATCHDOG */
132a4145534SPeter Tyser
133a4145534SPeter Tyser #if defined(CONFIG_FSLDMAFEC) || defined(CONFIG_MCFFEC)
134a4145534SPeter Tyser /* Default initializations for MCFFEC controllers. To override,
135a4145534SPeter Tyser * create a board-specific function called:
136a4145534SPeter Tyser * int board_eth_init(bd_t *bis)
137a4145534SPeter Tyser */
138a4145534SPeter Tyser
cpu_eth_init(bd_t * bis)139a4145534SPeter Tyser int cpu_eth_init(bd_t *bis)
140a4145534SPeter Tyser {
141a4145534SPeter Tyser #if defined(CONFIG_FSLDMAFEC)
142a4145534SPeter Tyser mcdmafec_initialize(bis);
143a4145534SPeter Tyser #endif
144a4145534SPeter Tyser #if defined(CONFIG_MCFFEC)
145a4145534SPeter Tyser mcffec_initialize(bis);
146a4145534SPeter Tyser #endif
147a4145534SPeter Tyser return 0;
148a4145534SPeter Tyser }
149a4145534SPeter Tyser #endif
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