u-boot/arch/mips/mach-pic32/reset.c
Tom Rini 8991fed97d mips: Remove common.h usage
We can remove common.h from most cases of the code here, and only a few
places need an additional header instead.

Signed-off-by: Tom Rini <trini@konsulko.com>
2023-10-24 16:34:45 -04:00

34 lines
595 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* (c) 2015 Purna Chandra Mandal <purna.mandal@microchip.com>
*
*/
#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)
;
}