diff options
| author | Svyatoslav Ryhel | 2023-06-30 10:29:02 +0300 |
|---|---|---|
| committer | Thierry Reding | 2023-06-30 15:20:37 +0200 |
| commit | d83721f1d4a18f576e66264ac5a1812b9a82f008 (patch) | |
| tree | 015f54032d1d6d760f44b7cc6d2c8c4b16ae5349 /arch/arm/include/asm/arch-tegra | |
| parent | c8cd4db6f1c1eab526b93d640e13697fce0ebe42 (diff) | |
ARM: tegra: add SoC UID calculation function
This is a small tool for calculation of SoC UID based on the same
Linux function. It can be further used for generation of device
unique data like mac address or exposing it as serial number.
Tested-by: Andreas Westman Dorcsak <hedmoo@yahoo.com> # ASUS Grouper E1565
Tested-by: Svyatoslav Ryhel <clamor95@gmail.com> # LG P895 T30
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'arch/arm/include/asm/arch-tegra')
| -rw-r--r-- | arch/arm/include/asm/arch-tegra/fuse.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-tegra/fuse.h b/arch/arm/include/asm/arch-tegra/fuse.h index 5b8e0bd8d16..f3f2ad8e3f2 100644 --- a/arch/arm/include/asm/arch-tegra/fuse.h +++ b/arch/arm/include/asm/arch-tegra/fuse.h @@ -19,4 +19,11 @@ struct fuse_regs { u32 security_mode; /* 0x1A0: FUSE_SECURITY_MODE */ }; +/** + * Calculate SoC UID + * + * Return: uid if ok, 0 on error + */ +unsigned long long tegra_chip_uid(void); + #endif /* ifndef _FUSE_H_ */ |