1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright 2013 Broadcom Corporation. 4 */ 5 6 #include <common.h> 7 #include <asm/io.h> 8 #include <asm/arch/sysmap.h> 9 10 #define EN_MASK 0x08000000 /* Enable timer */ 11 #define SRSTEN_MASK 0x04000000 /* Enable soft reset */ 12 #define CLKS_SHIFT 20 /* Clock period shift */ 13 #define LD_SHIFT 0 /* Reload value shift */ 14 15 void reset_cpu(ulong ignored) 16 { 17 /* 18 * Set WD enable, RST enable, 19 * 3.9 msec clock period (8), reload value (8*3.9ms) 20 */ 21 u32 reg = EN_MASK + SRSTEN_MASK + (8 << CLKS_SHIFT) + (8 << LD_SHIFT); 22 writel(reg, SECWD2_BASE_ADDR); 23 24 while (1) 25 ; /* loop forever till reset */ 26 } 27
