tegrakernel/kernel/nvidia/include/linux/platform/tegra/tegra-cpu.h

25 lines
815 B
C
Raw Normal View History

2022-02-16 09:13:02 -06:00
/*
* Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#include <asm/cputype.h>
#include <asm/cpu.h>
#define MIDR_CPU_MASK 0xFF0FFFF0
#define MIDR_CPU_CARMEL 0x4E0F0040
static inline u8 tegra_is_cpu_carmel(u8 cpu)
{
struct cpuinfo_arm64 *cpuinfo = &per_cpu(cpu_data, cpu);
return ((cpuinfo->reg_midr & MIDR_CPU_MASK) == MIDR_CPU_CARMEL);
}