3 * (C) Copyright 2000-2003
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6 * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
7 * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
9 * SPDX-License-Identifier: GPL-2.0+
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 ccm_t *ccm = (ccm_t *) MMAP_CCM;
26 out_8(&ccm->rcr, CCM_RCR_SOFTRST);
27 /* we don't return! */
33 ccm_t *ccm = (ccm_t *) MMAP_CCM;
39 msk = (in_be16(&ccm->cir) >> 6);
40 ver = (in_be16(&ccm->cir) & 0x003f);
48 char buf1[32], buf2[32];
50 printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk,
52 printf(" CPU CLK %s MHz BUS CLK %s MHz\n",
53 strmhz(buf1, gd->cpu_clk),
54 strmhz(buf2, gd->bus_clk));
60 #if defined(CONFIG_WATCHDOG)
61 /* Called by macro WATCHDOG_RESET */
62 void watchdog_reset(void)
64 wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
67 out_be16(&wdp->sr, 0x5555);
69 out_be16(&wdp->sr, 0xaaaa);
72 int watchdog_disable(void)
74 wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
76 /* UserManual, once the wdog is disabled, wdog cannot be re-enabled */
77 /* halted watchdog timer */
78 setbits_be16(&wdp->cr, WTM_WCR_HALTED);
80 puts("WATCHDOG:disabled\n");
84 int watchdog_init(void)
86 wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
89 /* set timeout and enable watchdog */
90 wdog_module = ((CONFIG_SYS_CLK / CONFIG_SYS_HZ) * CONFIG_WATCHDOG_TIMEOUT);
91 wdog_module |= (wdog_module / 8192);
92 out_be16(&wdp->mr, wdog_module);
94 out_be16(&wdp->cr, WTM_WCR_EN);
95 puts("WATCHDOG:enabled\n");
99 #endif /* CONFIG_WATCHDOG */
101 #if defined(CONFIG_MCFFEC)
102 /* Default initializations for MCFFEC controllers. To override,
103 * create a board-specific function called:
104 * int board_eth_init(bd_t *bis)
107 int cpu_eth_init(bd_t *bis)
109 return mcffec_initialize(bis);