// SPDX-License-Identifier: GPL-2.0+ /* * * (C) Copyright 2000-2003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc. * TsiChung Liew (Tsi-Chung.Liew@freescale.com) */ #include <common.h> #include <watchdog.h> #include <command.h> #include <netdev.h> #include <asm/immap.h> #include <asm/io.h> DECLARE_GLOBAL_DATA_PTR; int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR); out_be16(&gptmr->pre, 10); out_be16(&gptmr->cnt, 1); /* enable watchdog, set timeout to 0 and wait */ out_8(&gptmr->mode, GPT_TMS_SGPIO); out_8(&gptmr->ctrl, GPT_CTRL_WDEN | GPT_CTRL_CE); /* we don't return! */ return 1; }; #if defined(CONFIG_DISPLAY_CPUINFO) int print_cpuinfo(void) { siu_t *siu = (siu_t *) MMAP_SIU; u16 id = 0; puts("CPU: "); switch ((in_be32(&siu->jtagid) & 0x000FF000) >> 12) { case 0x0C: id = 5485; break; case 0x0D: id = 5484; break; case 0x0E: id = 5483; break; case 0x0F: id = 5482; break; case 0x10: id = 5481; break; case 0x11: id = 5480; break; case 0x12: id = 5475; break; case 0x13: id = 5474; break; case 0x14: id = 5473; break; case 0x15: id = 5472; break; case 0x16: id = 5471; break; case 0x17: id = 5470; break; } if (id) { char buf1[32], buf2[32]; printf("Freescale MCF%d\n", id); printf(" CPU CLK %s MHz BUS CLK %s MHz\n", strmhz(buf1, gd->cpu_clk), strmhz(buf2, gd->bus_clk)); } return 0; }; #endif /* CONFIG_DISPLAY_CPUINFO */ #if defined(CONFIG_HW_WATCHDOG) /* Called by macro WATCHDOG_RESET */ void hw_watchdog_reset(void) { gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR); out_8(&gptmr->ocpw, 0xa5); } int watchdog_disable(void) { gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR); /* UserManual, once the wdog is disabled, wdog cannot be re-enabled */ out_8(&gptmr->mode, 0); out_8(&gptmr->ctrl, 0); puts("WATCHDOG:disabled\n"); return (0); } int watchdog_init(void) { gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR); out_be16(&gptmr->pre, CONFIG_WATCHDOG_TIMEOUT); out_be16(&gptmr->cnt, CONFIG_SYS_TIMER_PRESCALER * 1000); out_8(&gptmr->mode, GPT_TMS_SGPIO); out_8(&gptmr->ctrl, GPT_CTRL_CE | GPT_CTRL_WDEN); puts("WATCHDOG:enabled\n"); return (0); } #endif /* CONFIG_HW_WATCHDOG */ #if defined(CONFIG_FSLDMAFEC) || defined(CONFIG_MCFFEC) /* Default initializations for MCFFEC controllers. To override, * create a board-specific function called: * int board_eth_init(bd_t *bis) */ int cpu_eth_init(bd_t *bis) { #if defined(CONFIG_FSLDMAFEC) mcdmafec_initialize(bis); #endif #if defined(CONFIG_MCFFEC) mcffec_initialize(bis); #endif return 0; } #endif