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| author | Tom Rini <trini@konsulko.com> | 2022-07-11 10:18:13 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2022-07-11 14:58:57 -0400 |
| commit | 36b661dc919da318c163a45f4a220d2e3d9db608 (patch) | |
| tree | 268703050f58280feb3287d48eb0cedc974730e1 /arch/arm/mach-stm32mp/bsec.c | |
| parent | e092e3250270a1016c877da7bdd9384f14b1321e (diff) | |
| parent | 05a4859637567b13219efd6f1707fb236648b1b7 (diff) | |
Merge branch 'next'
Diffstat (limited to 'arch/arm/mach-stm32mp/bsec.c')
| -rw-r--r-- | arch/arm/mach-stm32mp/bsec.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/arm/mach-stm32mp/bsec.c b/arch/arm/mach-stm32mp/bsec.c index 506caa0a31b..c00130b08b3 100644 --- a/arch/arm/mach-stm32mp/bsec.c +++ b/arch/arm/mach-stm32mp/bsec.c @@ -632,3 +632,20 @@ bool bsec_dbgswenable(void) return false; } + +u32 get_otp(int index, int shift, int mask) +{ + int ret; + struct udevice *dev; + u32 otp = 0; + + ret = uclass_get_device_by_driver(UCLASS_MISC, + DM_DRIVER_GET(stm32mp_bsec), + &dev); + + if (!ret) + ret = misc_read(dev, STM32_BSEC_SHADOW(index), + &otp, sizeof(otp)); + + return (otp >> shift) & mask; +} |