u-boot/arch/arm/mach-socfpga/reset_manager.c

42 lines
873 B
C
Raw Normal View History

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2013 Altera Corporation <www.altera.com>
*/
#include <common.h>
#include <asm/io.h>
#include <asm/arch/reset_manager.h>
#if defined(CONFIG_TARGET_SOCFPGA_STRATIX10)
#include <asm/arch/mailbox_s10.h>
#endif
DECLARE_GLOBAL_DATA_PTR;
#if !defined(CONFIG_TARGET_SOCFPGA_STRATIX10)
static const struct socfpga_reset_manager *reset_manager_base =
(void *)SOCFPGA_RSTMGR_ADDRESS;
#endif
/*
* Write the reset manager register to cause reset
*/
void reset_cpu(ulong addr)
{
/* request a warm reset */
#if defined(CONFIG_TARGET_SOCFPGA_STRATIX10)
puts("Mailbox: Issuing mailbox cmd REBOOT_HPS\n");
mbox_reset_cold();
#else
writel(1 << RSTMGR_CTRL_SWWARMRSTREQ_LSB,
&reset_manager_base->ctrl);
#endif
/*
* infinite loop here as watchdog will trigger and reset
* the processor
*/
while (1)
;
}