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google/gale: Implement reset 

Implement reset using PSHOLD and remove watchdog
based reset not needed for ipx40xx.

BUG=chrome-os-partner:49249
TEST=None. Initial code not sure if it will even compile
BRANCH=none

Change-Id: Ibd3f9958682ed2e85e778976df3a8e124a7441fd
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 65c8b9dd633f0d402cad7d609563c8aac9bf5115
Original-Change-Id: I8f0ea3c1b71e86a7ca733965ecbec6954a52f6e3
Original-Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/333298
Original-Commit-Ready: David Hendricks <dhendrix@chromium.org>
Original-Reviewed-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: https://review.coreboot.org/14663
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
Varadarajan Narayanan 2015-09-08 15:12:46 +05:30 committed by Patrick Georgi
parent 838125b3cd
commit 5df833179d
1 changed files with 0 additions and 24 deletions
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24
src/mainboard/google/gale/reset.c
View File

@ -19,30 +19,6 @@
#include <soc/iomap.h>
#include <reset.h>
/* Watchdog bite time set to default reset value */
#define RESET_WDT_BITE_TIME 0x31F3
/* Watchdog bark time value is kept larger than the watchdog timeout
* of 0x31F3, effectively disabling the watchdog bark interrupt
*/
#define RESET_WDT_BARK_TIME (5 * RESET_WDT_BITE_TIME)
static void wdog_reset(void)
{
printk(BIOS_DEBUG, "\nResetting with watchdog!\n");
write32(APCS_WDT0_EN, 0);
write32(APCS_WDT0_RST, 1);
write32(APCS_WDT0_BARK_TIME, RESET_WDT_BARK_TIME);
write32(APCS_WDT0_BITE_TIME, RESET_WDT_BITE_TIME);
write32(APCS_WDT0_EN, 1);
write32(APCS_WDT0_CPU0_WDOG_EXPIRED_ENABLE, 1);
for (;;)
;
}
void hard_reset(void)
{
wdog_reset();
}