mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-09-08 13:53:21 +09:00
![Tom Rini](/assets/img/avatar_default.png)
We can safely use the same reset code written in C for both Davinci and C6X platforms. In addition the C version of the code is marginally smaller on Davinci. Tested-by: Matt Porter <mporter@ti.com> Signed-off-by: Tom Rini <trini@ti.com>
34 lines
993 B
C
34 lines
993 B
C
/*
|
|
* Processor reset using WDT.
|
|
*
|
|
* Copyright (C) 2012 Dmitry Bondar <bond@inmys.ru>
|
|
* Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
|
|
*
|
|
* This file is released under the terms of GPL v2 and any later version.
|
|
* See the file COPYING in the root directory of the source tree for details.
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <asm/io.h>
|
|
#include <asm/arch/timer_defs.h>
|
|
#include <asm/arch/hardware.h>
|
|
|
|
void reset_cpu(unsigned long a)
|
|
{
|
|
struct davinci_timer *const wdttimer =
|
|
(struct davinci_timer *)DAVINCI_TIMER1_BASE;
|
|
writel(0x08, &wdttimer->tgcr);
|
|
writel(readl(&wdttimer->tgcr) | 0x03, &wdttimer->tgcr);
|
|
writel(0, &wdttimer->tim12);
|
|
writel(0, &wdttimer->tim34);
|
|
writel(0, &wdttimer->prd12);
|
|
writel(0, &wdttimer->prd34);
|
|
writel(readl(&wdttimer->tcr) | 0x40, &wdttimer->tcr);
|
|
writel(readl(&wdttimer->wdtcr) | 0x4000, &wdttimer->wdtcr);
|
|
writel(0xa5c64000, &wdttimer->wdtcr);
|
|
writel(0xda7e4000, &wdttimer->wdtcr);
|
|
writel(0x4000, &wdttimer->wdtcr);
|
|
while (1)
|
|
/*nothing*/;
|
|
}
|