Re: [PATCH v11 3/4] mtd: rawnand: Add support for secure regions in NAND memory

2021-04-07 Thread Miquel Raynal
On Fri, 2021-04-02 at 15:01:27 UTC, Manivannan Sadhasivam wrote: > On a typical end product, a vendor may choose to secure some regions in > the NAND memory which are supposed to stay intact between FW upgrades. > The access to those regions will be blocked by a secure element like > Trustzone. So

[PATCH v11 3/4] mtd: rawnand: Add support for secure regions in NAND memory

2021-04-02 Thread Manivannan Sadhasivam
On a typical end product, a vendor may choose to secure some regions in the NAND memory which are supposed to stay intact between FW upgrades. The access to those regions will be blocked by a secure element like Trustzone. So the normal world software like Linux kernel should not touch these region