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/*
* (c) 2015 Purna Chandra Mandal <purna.mandal@microchip.com>
*
* SPDX-License-Identifier: GPL-2.0+
*
*/
#include <common.h>
#include <asm/io.h>
#include <mach/pic32.h>
/* SYSKEY */
#define UNLOCK_KEY1 0xaa996655
#define UNLOCK_KEY2 0x556699aa
#define LOCK_KEY 0
#define RSWRST 0x1250
void _machine_restart(void)
{
void __iomem *base;
base = pic32_get_syscfg_base();
/* unlock sequence */
writel(LOCK_KEY, base + SYSKEY);
writel(UNLOCK_KEY1, base + SYSKEY);
writel(UNLOCK_KEY2, base + SYSKEY);
/* soft reset */
writel(0x1, base + RSWRST);
(void) readl(base + RSWRST);
while (1)
;
}
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