u-boot/arch/arm/cpu/armv7/socfpga/misc.c
Wolfgang Denk 1a4596601f Add GPL-2.0+ SPDX-License-Identifier to source files
Signed-off-by: Wolfgang Denk <wd@denx.de>
[trini: Fixup common/cmd_io.c]
Signed-off-by: Tom Rini <trini@ti.com>
2013-07-24 09:44:38 -04:00

43 lines
856 B
C

/*
* Copyright (C) 2012 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(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);
}
int dram_init(void)
{
gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
return 0;
}