1 // SPDX-License-Identifier: GPL-2.0+
4 * (C) Copyright 2000-2003
5 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
7 * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
8 * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
16 #include <asm/immap.h>
19 DECLARE_GLOBAL_DATA_PTR;
21 int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
23 gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
25 out_be16(&gptmr->pre, 10);
26 out_be16(&gptmr->cnt, 1);
28 /* enable watchdog, set timeout to 0 and wait */
29 out_8(&gptmr->mode, GPT_TMS_SGPIO);
30 out_8(&gptmr->ctrl, GPT_CTRL_WDEN | GPT_CTRL_CE);
32 /* we don't return! */
36 #if defined(CONFIG_DISPLAY_CPUINFO)
37 int print_cpuinfo(void)
39 siu_t *siu = (siu_t *) MMAP_SIU;
44 switch ((in_be32(&siu->jtagid) & 0x000FF000) >> 12) {
84 char buf1[32], buf2[32];
86 printf("Freescale MCF%d\n", id);
87 printf(" CPU CLK %s MHz BUS CLK %s MHz\n",
88 strmhz(buf1, gd->cpu_clk),
89 strmhz(buf2, gd->bus_clk));
94 #endif /* CONFIG_DISPLAY_CPUINFO */
96 #if defined(CONFIG_HW_WATCHDOG)
97 /* Called by macro WATCHDOG_RESET */
98 void hw_watchdog_reset(void)
100 gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
102 out_8(&gptmr->ocpw, 0xa5);
105 int watchdog_disable(void)
107 gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
109 /* UserManual, once the wdog is disabled, wdog cannot be re-enabled */
110 out_8(&gptmr->mode, 0);
111 out_8(&gptmr->ctrl, 0);
113 puts("WATCHDOG:disabled\n");
118 int watchdog_init(void)
120 gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
122 out_be16(&gptmr->pre, CONFIG_WATCHDOG_TIMEOUT);
123 out_be16(&gptmr->cnt, CONFIG_SYS_TIMER_PRESCALER * 1000);
125 out_8(&gptmr->mode, GPT_TMS_SGPIO);
126 out_8(&gptmr->ctrl, GPT_CTRL_CE | GPT_CTRL_WDEN);
127 puts("WATCHDOG:enabled\n");
131 #endif /* CONFIG_HW_WATCHDOG */
133 #if defined(CONFIG_FSLDMAFEC) || defined(CONFIG_MCFFEC)
134 /* Default initializations for MCFFEC controllers. To override,
135 * create a board-specific function called:
136 * int board_eth_init(bd_t *bis)
139 int cpu_eth_init(bd_t *bis)
141 #if defined(CONFIG_FSLDMAFEC)
142 mcdmafec_initialize(bis);
144 #if defined(CONFIG_MCFFEC)
145 mcffec_initialize(bis);