Hi, > From: Patrick DELAUNAY <patrick.delau...@st.com> > Sent: mercredi 12 février 2020 19:38 > > Add BSEC lock access (read / write) at 0xC0000000 offset of misc driver. > The write access only available for Trusted boot mode, based on new SMC > STM32_SMC_WRLOCK_OTP. > > With the fuse command, the permanent lock status is accessed with > 0x10000000 offset (0xC0000000 - 0x8000000 for OTP sense/program divided by > u32 size), for example: > > Read lock status of fuse 57 (0x39) > > STM32MP> fuse sense 0 0x10000039 1 > > Sensing bank 0: > > Word 0x10000039: 00000000 > > Set permanent lock of fuse 57 (0x39) > > STM32MP> fuse prog 0 0x10000039 1 > > Sensing bank 0: > > Word 0x10000039: 00000000 > > WARNING: the OTP lock is updated only after reboot > > WARING: Programming lock or fuses is an irreversible operation! > This may brick your system. > > Signed-off-by: Patrick Delaunay <patrick.delau...@st.com> > ---
Applied to u-boot-stm/next, thanks! Regards Patrick
