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! */
31 #if defined(CONFIG_DISPLAY_CPUINFO)
32 int print_cpuinfo(void)
34 ccm_t *ccm = (ccm_t *) MMAP_CCM;
40 msk = (in_be16(&ccm->cir) >> 6);
41 ver = (in_be16(&ccm->cir) & 0x003f);
49 char buf1[32], buf2[32];
51 printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk,
53 printf(" CPU CLK %s MHz BUS CLK %s MHz\n",
54 strmhz(buf1, gd->cpu_clk),
55 strmhz(buf2, gd->bus_clk));
60 #endif /* CONFIG_DISPLAY_CPUINFO */
62 #if defined(CONFIG_WATCHDOG)
63 /* Called by macro WATCHDOG_RESET */
64 void watchdog_reset(void)
66 wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
69 out_be16(&wdp->sr, 0x5555);
71 out_be16(&wdp->sr, 0xaaaa);
74 int watchdog_disable(void)
76 wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
78 /* UserManual, once the wdog is disabled, wdog cannot be re-enabled */
79 /* halted watchdog timer */
80 setbits_be16(&wdp->cr, WTM_WCR_HALTED);
82 puts("WATCHDOG:disabled\n");
86 int watchdog_init(void)
88 wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
91 /* set timeout and enable watchdog */
92 wdog_module = ((CONFIG_SYS_CLK / CONFIG_SYS_HZ) * CONFIG_WATCHDOG_TIMEOUT);
93 wdog_module |= (wdog_module / 8192);
94 out_be16(&wdp->mr, wdog_module);
96 out_be16(&wdp->cr, WTM_WCR_EN);
97 puts("WATCHDOG:enabled\n");
101 #endif /* CONFIG_WATCHDOG */
103 #if defined(CONFIG_MCFFEC)
104 /* Default initializations for MCFFEC controllers. To override,
105 * create a board-specific function called:
106 * int board_eth_init(bd_t *bis)
109 int cpu_eth_init(bd_t *bis)
111 return mcffec_initialize(bis);