brain-hackers_pepepper-mirror/u-boot-brain
1
0
Fork 0
mirror of https://github.com/brain-hackers/u-boot-brain synced 2024-07-05 18:56:15 +09:00
Code Issues Projects Releases Wiki Activity

AT91: reset.c: fix comments, add option

Browse Source 
Signed-off-by: Reinhard Meyer <u-boot@emk-elektronik.de>
This commit is contained in:
Reinhard Meyer 2010-08-09 13:25:37 +02:00
parent 93dfcbe3c8
commit e0cd44c3c1
1 changed files with 11 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
arch/arm/cpu/arm926ejs/at91/reset.c
View File

@ -27,18 +27,19 @@
#include <asm/arch/at91_rstc.h>
#include <asm/arch/io.h>
/*
* Reset the cpu by setting up the watchdog timer and let him time out.
*/
/* Reset the cpu by telling the reset controller to do so */
void reset_cpu(ulong ignored)
{
at91_rstc_t *rstc = (at91_rstc_t *) AT91_RSTC_BASE;
/* this is the way Linux does it */
writel(AT91_RSTC_KEY | AT91_RSTC_CR_PROCRST | AT91_RSTC_CR_PERRST,
&rstc->cr);
while (1);
/* Never reached */
writel(AT91_RSTC_KEY
| AT91_RSTC_CR_PROCRST /* Processor Reset */
| AT91_RSTC_CR_PERRST /* Peripheral Reset */
#ifdef CONFIG_AT91RESET_EXTRST
| AT91_RSTC_CR_EXTRST /* External Reset (assert nRST pin) */
#endif
, &rstc->cr);
/* never reached */
while (1)
;
}