]>
git.ipfire.org Git - people/ms/u-boot.git/blob - arch/arm/cpu/arm926ejs/davinci/reset.c
2 * Processor reset using WDT.
4 * Copyright (C) 2012 Dmitry Bondar <bond@inmys.ru>
5 * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
7 * SPDX-License-Identifier: GPL-2.0+
12 #include <asm/arch/timer_defs.h>
13 #include <asm/arch/hardware.h>
15 void reset_cpu(unsigned long a
)
17 struct davinci_timer
*const wdttimer
=
18 (struct davinci_timer
*)DAVINCI_WDOG_BASE
;
19 writel(0x08, &wdttimer
->tgcr
);
20 writel(readl(&wdttimer
->tgcr
) | 0x03, &wdttimer
->tgcr
);
21 writel(0, &wdttimer
->tim12
);
22 writel(0, &wdttimer
->tim34
);
23 writel(0, &wdttimer
->prd12
);
24 writel(0, &wdttimer
->prd34
);
25 writel(readl(&wdttimer
->tcr
) | 0x40, &wdttimer
->tcr
);
26 writel(readl(&wdttimer
->wdtcr
) | 0x4000, &wdttimer
->wdtcr
);
27 writel(0xa5c64000, &wdttimer
->wdtcr
);
28 writel(0xda7e4000, &wdttimer
->wdtcr
);
29 writel(0x4000, &wdttimer
->wdtcr
);