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.
30 lines
774 B
30 lines
774 B
// SPDX-License-Identifier: GPL-2.0+
|
|
|
|
#include <common.h>
|
|
#include <asm/io.h>
|
|
#include <asm/arch/hardware.h>
|
|
#include <asm/arch/at91_gpbr.h>
|
|
|
|
/*
|
|
* We combine the CONFIG_SYS_BOOTCOUNT_MAGIC and bootcount in one 32-bit
|
|
* register. This is done so we need to use only one of the four GPBR
|
|
* registers.
|
|
*/
|
|
void bootcount_store(ulong a)
|
|
{
|
|
at91_gpbr_t *gpbr = (at91_gpbr_t *) ATMEL_BASE_GPBR;
|
|
|
|
writel((CONFIG_SYS_BOOTCOUNT_MAGIC & 0xffff0000) | (a & 0x0000ffff),
|
|
&gpbr->reg[AT91_GPBR_INDEX_BOOTCOUNT]);
|
|
}
|
|
|
|
ulong bootcount_load(void)
|
|
{
|
|
at91_gpbr_t *gpbr = (at91_gpbr_t *) ATMEL_BASE_GPBR;
|
|
|
|
ulong val = readl(&gpbr->reg[AT91_GPBR_INDEX_BOOTCOUNT]);
|
|
if ((val & 0xffff0000) != (CONFIG_SYS_BOOTCOUNT_MAGIC & 0xffff0000))
|
|
return 0;
|
|
else
|
|
return val & 0x0000ffff;
|
|
}
|
|
|