1 // SPDX-License-Identifier: GPL-2.0+
4 * (C) Copyright 2000-2003
7 * Copyright (C) 2004-2008, 2012 Freescale Semiconductor, Inc.
19 #include <asm/immap.h>
22 DECLARE_GLOBAL_DATA_PTR;
24 int do_reset(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
26 rcm_t *rcm = (rcm_t *) (MMAP_RCM);
29 setbits_8(&rcm->rcr, RCM_RCR_SOFTRST);
31 /* we don't return! */
35 #if defined(CONFIG_DISPLAY_CPUINFO)
36 int print_cpuinfo(void)
38 ccm_t *ccm = (ccm_t *) MMAP_CCM;
44 msk = (in_be16(&ccm->cir) >> 6);
45 ver = (in_be16(&ccm->cir) & 0x003f);
47 #ifdef CONFIG_MCF5301x
90 char buf1[32], buf2[32];
92 printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk,
94 printf(" CPU CLK %s MHz BUS CLK %s MHz\n",
95 strmhz(buf1, gd->cpu_clk),
96 strmhz(buf2, gd->bus_clk));
101 #endif /* CONFIG_DISPLAY_CPUINFO */
103 #if defined(CONFIG_WATCHDOG)
104 /* Called by macro WATCHDOG_RESET */
105 void watchdog_reset(void)
107 wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
110 out_be16(&wdp->sr, 0x5555);
111 out_be16(&wdp->sr, 0xaaaa);
114 int watchdog_disable(void)
116 wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
118 /* UserManual, once the wdog is disabled, wdog cannot be re-enabled */
119 /* halted watchdog timer */
120 setbits_be16(&wdp->cr, WTM_WCR_HALTED);
122 puts("WATCHDOG:disabled\n");
126 int watchdog_init(void)
128 wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
131 /* set timeout and enable watchdog */
132 wdog_module = ((CONFIG_SYS_CLK / 1000) * CONFIG_WATCHDOG_TIMEOUT);
134 out_be16(&wdp->mr, wdog_module / 8192);
136 out_be16(&wdp->mr, wdog_module / 4096);
139 out_be16(&wdp->cr, WTM_WCR_EN);
140 puts("WATCHDOG:enabled\n");
144 #endif /* CONFIG_WATCHDOG */
146 #if 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)
151 int cpu_eth_init(bd_t *bis)
153 return mcffec_initialize(bis);