Hello Simona, On Wed, Jun 03, 2026 at 09:24:07AM +0200, Francesco Dolcini wrote: > Hello Simona, > > On Tue, Jun 02, 2026 at 01:59:39PM +0300, Simona Toaca wrote: > > On Thu, May 28, 2026 at 10:55:23AM +0530, Kumar, Udit wrote: > > > On 4/30/2026 2:03 PM, Simona Toaca (OSS) wrote: > > > > From: Simona Toaca <[email protected]> > > > > > > > > DDR training data can be saved to NVM and be available > > > > to OEI at boot time, which will trigger QuickBoot flow. > > > > > > > > U-Boot only checks for data integrity (CRC32), while > > > > OEI is in charge of authentication when it tries to > > > > load the data from NVM. > > > > > > > > > > [...] > > > > +#define DDRPHY_QB_PSTATES 0 > > > > +#define DDRPHY_QB_PST_SIZE (DDRPHY_QB_PSTATES * 4 * 1024) > > > > > > [..] > > > Sorry for basic question, in case OEI layer changes format due to one of > > > other reason then how you are making sure, struct ddrphy_qb_state is > > > aligned > > > > > > + * This structure needs to be aligned with the one in OEI. > > > > > For now, the structure is stable. If anything changes, I will take care > > to update U-Boot accordingly. > > Did you consider Emanuele's email in which he thinks that what we have today > should already be changed?
Following up on this, we moved on with a different approach that does not require changing this data structure. You can have a look at our implementation here, https://git.toradex.com/imx-oei-toradex.git/, if you are interested. Francesco
