On Tue, May 05, 2020 at 05:20:50PM +0100, Will Deacon wrote: > On Mon, May 04, 2020 at 10:29:05AM +0100, Sudeep Holla wrote: > > diff --git a/drivers/firmware/psci/soc_id.c b/drivers/firmware/psci/soc_id.c > > new file mode 100644 > > index 000000000000..b45f2d78e12e > > --- /dev/null > > +++ b/drivers/firmware/psci/soc_id.c > > @@ -0,0 +1,165 @@ > > +// SPDX-License-Identifier: GPL-2.0 > > +/* > > + * Copyright 2020 Arm Limited > > + */ > > + > > +#include <linux/arm-smccc.h> > > +#include <linux/bitfield.h> > > +#include <linux/device.h> > > +#include <linux/module.h> > > +#include <linux/kernel.h> > > +#include <linux/slab.h> > > +#include <linux/sys_soc.h> > > + > > +#define SMCCC_SOC_ID_JEP106_BANK_IDX_MASK GENMASK(30, 24) > > +/* > > + * As per the spec bits[23:16] are JEP-106 identification code with parity > > bit > > + * for the SiP. We can drop the parity bit. > > + */ > > Which spec? Could you link to the doc and section here, please? >
Sure, sorry since I updated the link in 1/5, I forgot all of it and just started referring it here. -- Regards, Sudeep
