diff options
author | Colin Cross <ccross@android.com> | 2010-06-23 15:49:17 -0700 |
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committer | Colin Cross <ccross@android.com> | 2010-10-21 18:12:09 -0700 |
commit | 73625e3e2e2bc36198f5b43e0f32d9dfb8e3b77c (patch) | |
tree | 14cadc153b0d27de39b06d5afe6ff7fac7fab853 /arch/arm/mach-tegra/fuse.h | |
parent | 2e47b8b3c2dc0f9f0651ee0f20e163da09b20fb9 (diff) |
[ARM] tegra: Add support for reading fuses
The Tegra SOC contains fuses to identify the CPU type and
bin, and a unique id. The CPU info is required to determine
the correct voltages for each cpu and core frequency.
Signed-off-by: Colin Cross <ccross@android.com>
Diffstat (limited to 'arch/arm/mach-tegra/fuse.h')
-rw-r--r-- | arch/arm/mach-tegra/fuse.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/fuse.h b/arch/arm/mach-tegra/fuse.h new file mode 100644 index 00000000000..584b2e27dbd --- /dev/null +++ b/arch/arm/mach-tegra/fuse.h @@ -0,0 +1,24 @@ +/* + * arch/arm/mach-tegra/fuse.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. + * + */ + +unsigned long long tegra_chip_uid(void); +int tegra_sku_id(void); +int tegra_cpu_process_id(void); +int tegra_core_process_id(void); +void tegra_init_fuse(void); |