upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
38 lines
878 B
38 lines
878 B
/*
|
|
* (C) Copyright 2011
|
|
* Heiko Schocher, DENX Software Engineering, hs@denx.de.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <bootcount.h>
|
|
#include <asm/davinci_rtc.h>
|
|
|
|
void bootcount_store(ulong a)
|
|
{
|
|
struct davinci_rtc *reg =
|
|
(struct davinci_rtc *)CONFIG_SYS_BOOTCOUNT_ADDR;
|
|
|
|
/*
|
|
* write RTC kick register to enable write
|
|
* for RTC Scratch registers. Scratch0 and 1 are
|
|
* used for bootcount values.
|
|
*/
|
|
writel(RTC_KICK0R_WE, ®->kick0r);
|
|
writel(RTC_KICK1R_WE, ®->kick1r);
|
|
raw_bootcount_store(®->scratch2,
|
|
(BOOTCOUNT_MAGIC & 0xffff0000) | (a & 0x0000ffff));
|
|
}
|
|
|
|
ulong bootcount_load(void)
|
|
{
|
|
unsigned long val;
|
|
struct davinci_rtc *reg =
|
|
(struct davinci_rtc *)CONFIG_SYS_BOOTCOUNT_ADDR;
|
|
|
|
val = raw_bootcount_load(®->scratch2);
|
|
if ((val & 0xffff0000) != (BOOTCOUNT_MAGIC & 0xffff0000))
|
|
return 0;
|
|
else
|
|
return val & 0x0000ffff;
|
|
}
|
|
|