1 // SPDX-License-Identifier: GPL-2.0+
4 * (C) Copyright 2000-2003
5 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
7 * Copyright (C) 2004-2008, 2012 Freescale Semiconductor, Inc.
8 * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
18 #include <asm/immap.h>
21 DECLARE_GLOBAL_DATA_PTR;
23 int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
25 rcm_t *rcm = (rcm_t *) (MMAP_RCM);
28 setbits_8(&rcm->rcr, RCM_RCR_SOFTRST);
30 /* we don't return! */
34 #if defined(CONFIG_DISPLAY_CPUINFO)
35 int print_cpuinfo(void)
37 ccm_t *ccm = (ccm_t *) MMAP_CCM;
43 msk = (in_be16(&ccm->cir) >> 6);
44 ver = (in_be16(&ccm->cir) & 0x003f);
46 #ifdef CONFIG_MCF5301x
89 char buf1[32], buf2[32];
91 printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk,
93 printf(" CPU CLK %s MHz BUS CLK %s MHz\n",
94 strmhz(buf1, gd->cpu_clk),
95 strmhz(buf2, gd->bus_clk));
100 #endif /* CONFIG_DISPLAY_CPUINFO */
102 #if defined(CONFIG_WATCHDOG)
103 /* Called by macro WATCHDOG_RESET */
104 void watchdog_reset(void)
106 wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
109 out_be16(&wdp->sr, 0x5555);
110 out_be16(&wdp->sr, 0xaaaa);
113 int watchdog_disable(void)
115 wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
117 /* UserManual, once the wdog is disabled, wdog cannot be re-enabled */
118 /* halted watchdog timer */
119 setbits_be16(&wdp->cr, WTM_WCR_HALTED);
121 puts("WATCHDOG:disabled\n");
125 int watchdog_init(void)
127 wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
130 /* set timeout and enable watchdog */
131 wdog_module = ((CONFIG_SYS_CLK / 1000) * CONFIG_WATCHDOG_TIMEOUT);
133 out_be16(&wdp->mr, wdog_module / 8192);
135 out_be16(&wdp->mr, wdog_module / 4096);
138 out_be16(&wdp->cr, WTM_WCR_EN);
139 puts("WATCHDOG:enabled\n");
143 #endif /* CONFIG_WATCHDOG */
145 #if defined(CONFIG_MCFFEC)
146 /* Default initializations for MCFFEC controllers. To override,
147 * create a board-specific function called:
148 * int board_eth_init(bd_t *bis)
150 int cpu_eth_init(bd_t *bis)
152 return mcffec_initialize(bis);