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)
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 ccm_t *ccm = (ccm_t *) MMAP_CCM;
28 out_8(&ccm->rcr, CCM_RCR_SOFTRST);
29 /* we don't return! */
33 #if defined(CONFIG_DISPLAY_CPUINFO)
34 int print_cpuinfo(void)
36 ccm_t *ccm = (ccm_t *) MMAP_CCM;
42 msk = (in_be16(&ccm->cir) >> 6);
43 ver = (in_be16(&ccm->cir) & 0x003f);
51 char buf1[32], buf2[32];
53 printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk,
55 printf(" CPU CLK %s MHz BUS CLK %s MHz\n",
56 strmhz(buf1, gd->cpu_clk),
57 strmhz(buf2, gd->bus_clk));
62 #endif /* CONFIG_DISPLAY_CPUINFO */
64 #if defined(CONFIG_WATCHDOG)
65 /* Called by macro WATCHDOG_RESET */
66 void watchdog_reset(void)
68 wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
71 out_be16(&wdp->sr, 0x5555);
73 out_be16(&wdp->sr, 0xaaaa);
76 int watchdog_disable(void)
78 wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
80 /* UserManual, once the wdog is disabled, wdog cannot be re-enabled */
81 /* halted watchdog timer */
82 setbits_be16(&wdp->cr, WTM_WCR_HALTED);
84 puts("WATCHDOG:disabled\n");
88 int watchdog_init(void)
90 wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
93 /* set timeout and enable watchdog */
94 wdog_module = ((CONFIG_SYS_CLK / CONFIG_SYS_HZ) * CONFIG_WATCHDOG_TIMEOUT);
95 wdog_module |= (wdog_module / 8192);
96 out_be16(&wdp->mr, wdog_module);
98 out_be16(&wdp->cr, WTM_WCR_EN);
99 puts("WATCHDOG:enabled\n");
103 #endif /* CONFIG_WATCHDOG */
105 #if defined(CONFIG_MCFFEC)
106 /* Default initializations for MCFFEC controllers. To override,
107 * create a board-specific function called:
108 * int board_eth_init(bd_t *bis)
111 int cpu_eth_init(bd_t *bis)
113 return mcffec_initialize(bis);