u-boot/arch/arm/cpu/armv8/spl_data.c
Tom Rini 03de305ec4 Restore patch series "arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"
As part of bringing the master branch back in to next, we need to allow
for all of these changes to exist here.

Reported-by: Jonas Karlman <jonas@kwiboo.se>
Signed-off-by: Tom Rini <trini@konsulko.com>
2024-05-20 13:35:03 -06:00

28 lines
645 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2020 NXP
*/
#include <spl.h>
char __data_save_start[0] __section(".__data_save_start");
char __data_save_end[0] __section(".__data_save_end");
u32 cold_reboot_flag = 1;
void spl_save_restore_data(void)
{
u32 data_size = __data_save_end - __data_save_start;
if (cold_reboot_flag == 1) {
/* Save data section to data_save section */
memcpy(__data_save_start, __data_save_start - data_size,
data_size);
} else {
/* Restore the data_save section to data section */
memcpy(__data_save_start - data_size, __data_save_start,
data_size);
}
cold_reboot_flag++;
}