On Thu, 1 Apr 2021 15:48:12 +0530
Manivannan Sadhasivam wrote:
> static int nand_isbad_bbm(struct nand_chip *chip, loff_t ofs)
> {
> + struct mtd_info *mtd = nand_to_mtd(chip);
> + int last_page = ((mtd->erasesize - mtd->writesize) >>
> +chip->page_shift) &
Hi Miquel,
On Tue, Mar 23, 2021 at 05:57:15PM +0100, Miquel Raynal wrote:
> Hi Manivannan,
>
> Manivannan Sadhasivam wrote on Tue,
> 23 Mar 2021 13:09:30 +0530:
>
> > On a typical end product, a vendor may choose to secure some regions in
> > the NAND memory which are supposed to stay intact
Hi Manivannan,
Manivannan Sadhasivam wrote on Tue,
23 Mar 2021 13:09:30 +0530:
> 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
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
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