mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-09-12 15:53:21 +09:00
![Hou Zhiqiang](/assets/img/avatar_default.png)
Set the enable-method in the cpu node to PSCI, and create device node for PSCI, when PSCI was enabled. Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com> Reviewed-by: York Sun <york.sun@nxp.com>
32 lines
715 B
C
32 lines
715 B
C
/*
|
|
* Copyright 2016 NXP Semiconductor, Inc.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <asm/psci.h>
|
|
#ifdef CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT
|
|
#include <asm/armv8/sec_firmware.h>
|
|
#endif
|
|
|
|
int psci_update_dt(void *fdt)
|
|
{
|
|
#ifdef CONFIG_MP
|
|
#if defined(CONFIG_ARMV8_PSCI)
|
|
#ifdef CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT
|
|
/*
|
|
* If the PSCI in SEC Firmware didn't work, avoid to update the
|
|
* device node of PSCI. But still return 0 instead of an error
|
|
* number to support detecting PSCI dynamically and then switching
|
|
* the SMP boot method between PSCI and spin-table.
|
|
*/
|
|
if (sec_firmware_support_psci_version() == 0xffffffff)
|
|
return 0;
|
|
#endif
|
|
fdt_psci(fdt);
|
|
#endif
|
|
#endif
|
|
return 0;
|
|
}
|