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.
35 lines
778 B
35 lines
778 B
/*
|
|
* Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#include <errno.h>
|
|
|
|
#include <platform_def.h>
|
|
|
|
#include <drivers/st/stm32mp1_clk.h>
|
|
#include <dt-bindings/clock/stm32mp1-clks.h>
|
|
#include <lib/mmio.h>
|
|
|
|
#include <stm32mp1_context.h>
|
|
|
|
#define TAMP_BOOT_ITF_BACKUP_REG_ID U(20)
|
|
#define TAMP_BOOT_ITF_MASK U(0x0000FF00)
|
|
#define TAMP_BOOT_ITF_SHIFT 8
|
|
|
|
int stm32_save_boot_interface(uint32_t interface, uint32_t instance)
|
|
{
|
|
uint32_t bkpr_itf_idx = tamp_bkpr(TAMP_BOOT_ITF_BACKUP_REG_ID);
|
|
|
|
stm32mp_clk_enable(RTCAPB);
|
|
|
|
mmio_clrsetbits_32(bkpr_itf_idx,
|
|
TAMP_BOOT_ITF_MASK,
|
|
((interface << 4) | (instance & 0xFU)) <<
|
|
TAMP_BOOT_ITF_SHIFT);
|
|
|
|
stm32mp_clk_disable(RTCAPB);
|
|
|
|
return 0;
|
|
}
|
|
|