upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 
u-boot/arch/arm/cpu/armv7/socfpga/reset_manager.c

39 lines
759 B

/*
* Copyright (C) 2013 Altera Corporation <www.altera.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <asm/arch/reset_manager.h>
DECLARE_GLOBAL_DATA_PTR;
static const struct socfpga_reset_manager *reset_manager_base =
(void *)SOCFPGA_RSTMGR_ADDRESS;
/*
* Write the reset manager register to cause reset
*/
void reset_cpu(ulong addr)
{
/* request a warm reset */
writel((1 << RSTMGR_CTRL_SWWARMRSTREQ_LSB),
&reset_manager_base->ctrl);
/*
* infinite loop here as watchdog will trigger and reset
* the processor
*/
while (1)
;
}
/*
* Release peripherals from reset based on handoff
*/
void reset_deassert_peripherals_handoff(void)
{
writel(0, &reset_manager_base->per_mod_reset);
}