> > ISBC creates a LAW 0 entry for non PBL platforms, which is not > > disabled before transferring the control to uboot. > > The LAW 0 entry has to be disabled. > > > > Signed-off-by: Aneesh Bansal <aneesh.ban...@freescale.com> > > --- > > arch/powerpc/cpu/mpc85xx/start.S | 58 > > ++++++++++++++++++++++++++++++++++++++++ > > 1 file changed, 58 insertions(+) > > > > diff --git a/arch/powerpc/cpu/mpc85xx/start.S > > b/arch/powerpc/cpu/mpc85xx/start.S > > index 5440bf5..2b2c4dd 100644 > > --- a/arch/powerpc/cpu/mpc85xx/start.S > > +++ b/arch/powerpc/cpu/mpc85xx/start.S > > @@ -116,6 +116,64 @@ _start_e500: > > mtspr SPRN_HDBCR0, r3 > > #endif > > > > +#if defined(CONFIG_SECURE_BOOT) && defined(CONFIG_E500) && \ > > + !defined(CONFIG_E500MC) > > CONFIG_E500 can be assumed in this file. > > > + /* ISBC creates a LAW 0 entry for non PBL platforms, > > + * which is not disabled before transferring the control to uboot. > > + * Disable the LAW 0 entry here. > > + */ > > Could you explain what this LAW 0 entry is for, why we don't need it, > and why we can't wait until later to clear it? > > -Scott
Boot ROM creates a LAW 0 entry for IFC and at entry at U-boot during secure boot, we want to have the same environment as in case of Non-secure Boot. So, this LAW entry is being removed at start. Regards, Aneesh Bansal _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
