linux_dsm_epyc7002/arch/arm/mach-tegra/fuse.h
Danny Huang 7495b2eb07 ARM: tegra: add speedo-based process id for Tegra114
Add speedo-based process identification for Tegra114.

Based on the work by: Alex Frid <afrid@nvidia.com>

Signed-off-by: Danny Huang <dahuang@nvidia.com>
[swarren: added include of bug.h]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-03-19 11:52:06 -06:00

77 lines
1.9 KiB
C

/*
* Copyright (C) 2010 Google, Inc.
* Copyright (c) 2013, NVIDIA CORPORATION. All rights reserved.
*
* Author:
* Colin Cross <ccross@android.com>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that 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.
*
*/
#ifndef __MACH_TEGRA_FUSE_H
#define __MACH_TEGRA_FUSE_H
enum tegra_revision {
TEGRA_REVISION_UNKNOWN = 0,
TEGRA_REVISION_A01,
TEGRA_REVISION_A02,
TEGRA_REVISION_A03,
TEGRA_REVISION_A03p,
TEGRA_REVISION_A04,
TEGRA_REVISION_MAX,
};
#define SKU_ID_T20 8
#define SKU_ID_T25SE 20
#define SKU_ID_AP25 23
#define SKU_ID_T25 24
#define SKU_ID_AP25E 27
#define SKU_ID_T25E 28
#define TEGRA20 0x20
#define TEGRA30 0x30
#define TEGRA114 0x35
extern int tegra_sku_id;
extern int tegra_cpu_process_id;
extern int tegra_core_process_id;
extern int tegra_chip_id;
extern int tegra_cpu_speedo_id; /* only exist in Tegra30 and later */
extern int tegra_soc_speedo_id;
extern enum tegra_revision tegra_revision;
extern int tegra_bct_strapping;
unsigned long long tegra_chip_uid(void);
void tegra_init_fuse(void);
bool tegra_spare_fuse(int bit);
u32 tegra_fuse_readl(unsigned long offset);
#ifdef CONFIG_ARCH_TEGRA_2x_SOC
void tegra20_init_speedo_data(void);
#else
static inline void tegra20_init_speedo_data(void) {}
#endif
#ifdef CONFIG_ARCH_TEGRA_3x_SOC
void tegra30_init_speedo_data(void);
#else
static inline void tegra30_init_speedo_data(void) {}
#endif
#ifdef CONFIG_ARCH_TEGRA_114_SOC
void tegra114_init_speedo_data(void);
#else
static inline void tegra114_init_speedo_data(void) {}
#endif
#endif