linux/arch/arm/mach-tegra/fuse.h
Danny Huang f8ddda713b ARM: tegra: Tegra30 speedo-based process identification
This patch adds speedo-based process identification support for Tegra30.

Signed-off-by: Danny Huang <dahuang@nvidia.com>
[swarren s/Tegra3/Tegra30/ in log print,
s/T30/Tegra30/ in commit description]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-11-15 14:36:59 -07:00

68 lines
1.7 KiB
C

/*
* Copyright (C) 2010 Google, Inc.
*
* 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
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
#endif