1 // SPDX-License-Identifier: GPL-2.0+
4 * (C) Copyright 2000-2003
7 * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
17 #include <asm/immap.h>
20 DECLARE_GLOBAL_DATA_PTR;
22 int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
24 gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
26 out_be16(&gptmr->pre, 10);
27 out_be16(&gptmr->cnt, 1);
29 /* enable watchdog, set timeout to 0 and wait */
30 out_8(&gptmr->mode, GPT_TMS_SGPIO);
31 out_8(&gptmr->ctrl, GPT_CTRL_WDEN | GPT_CTRL_CE);
33 /* we don't return! */
37 #if defined(CONFIG_DISPLAY_CPUINFO)
38 int print_cpuinfo(void)
40 siu_t *siu = (siu_t *) MMAP_SIU;
45 switch ((in_be32(&siu->jtagid) & 0x000FF000) >> 12) {
85 char buf1[32], buf2[32];
87 printf("Freescale MCF%d\n", id);
88 printf(" CPU CLK %s MHz BUS CLK %s MHz\n",
89 strmhz(buf1, gd->cpu_clk),
90 strmhz(buf2, gd->bus_clk));
95 #endif /* CONFIG_DISPLAY_CPUINFO */
97 #if defined(CONFIG_HW_WATCHDOG)
98 /* Called by macro WATCHDOG_RESET */
99 void hw_watchdog_reset(void)
101 gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
103 out_8(&gptmr->ocpw, 0xa5);
106 int watchdog_disable(void)
108 gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
110 /* UserManual, once the wdog is disabled, wdog cannot be re-enabled */
111 out_8(&gptmr->mode, 0);
112 out_8(&gptmr->ctrl, 0);
114 puts("WATCHDOG:disabled\n");
119 int watchdog_init(void)
121 gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
123 out_be16(&gptmr->pre, CONFIG_WATCHDOG_TIMEOUT);
124 out_be16(&gptmr->cnt, CONFIG_SYS_TIMER_PRESCALER * 1000);
126 out_8(&gptmr->mode, GPT_TMS_SGPIO);
127 out_8(&gptmr->ctrl, GPT_CTRL_CE | GPT_CTRL_WDEN);
128 puts("WATCHDOG:enabled\n");
132 #endif /* CONFIG_HW_WATCHDOG */
134 #if defined(CONFIG_FSLDMAFEC) || defined(CONFIG_MCFFEC)
135 /* Default initializations for MCFFEC controllers. To override,
136 * create a board-specific function called:
137 * int board_eth_init(bd_t *bis)
140 int cpu_eth_init(bd_t *bis)
142 #if defined(CONFIG_FSLDMAFEC)
143 mcdmafec_initialize(bis);
145 #if defined(CONFIG_MCFFEC)
146 mcffec_initialize(bis);