From: Sudeep Holla <sudeep.holla@arm.com>
To: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org,
Catalin Marinas <catalin.marinas@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Sudeep Holla <sudeep.holla@arm.com>,
Steven Price <steven.price@arm.com>,
linux-kernel@vger.kernel.org, harb@amperecomputing.com
Subject: Re: [PATCH v2 5/5] arm/arm64: smccc: Add ARCH_SOC_ID support
Date: Tue, 5 May 2020 18:59:01 +0100 [thread overview]
Message-ID: <20200505175901.GD23612@bogus> (raw)
In-Reply-To: <20200505162049.GG24239@willie-the-truck>
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
WARNING: multiple messages have this Message-ID (diff)
From: Sudeep Holla <sudeep.holla@arm.com>
To: Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
linux-kernel@vger.kernel.org, Steven Price <steven.price@arm.com>,
harb@amperecomputing.com, Sudeep Holla <sudeep.holla@arm.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 5/5] arm/arm64: smccc: Add ARCH_SOC_ID support
Date: Tue, 5 May 2020 18:59:01 +0100 [thread overview]
Message-ID: <20200505175901.GD23612@bogus> (raw)
In-Reply-To: <20200505162049.GG24239@willie-the-truck>
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
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next prev parent reply other threads:[~2020-05-05 17:59 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-04 9:29 [PATCH v2 0/5] arm/arm64: smccc: Add ARCH_SOC_ID support Sudeep Holla
2020-05-04 9:29 ` Sudeep Holla
2020-05-04 9:29 ` [PATCH v2 1/5] arm/arm64: smccc: Update link to latest SMCCC specification Sudeep Holla
2020-05-04 9:29 ` Sudeep Holla
2020-05-04 9:29 ` [PATCH v2 2/5] arm/arm64: smccc: Add the definition for SMCCCv1.2 version/error codes Sudeep Holla
2020-05-04 9:29 ` Sudeep Holla
2020-05-04 9:29 ` [PATCH v2 3/5] arm/arm64: smccc: Drop smccc_version enum and use ARM_SMCCC_VERSION_1_x instead Sudeep Holla
2020-05-04 9:29 ` Sudeep Holla
2020-05-04 9:29 ` [PATCH v2 4/5] firmware: psci: Add function to fetch SMCCC version Sudeep Holla
2020-05-04 9:29 ` Sudeep Holla
2020-05-04 14:11 ` Steven Price
2020-05-04 14:11 ` Steven Price
2020-05-04 9:29 ` [PATCH v2 5/5] arm/arm64: smccc: Add ARCH_SOC_ID support Sudeep Holla
2020-05-04 9:29 ` Sudeep Holla
2020-05-04 14:10 ` Steven Price
2020-05-04 14:10 ` Steven Price
2020-05-04 14:49 ` Sudeep Holla
2020-05-04 14:49 ` Sudeep Holla
2020-05-05 16:20 ` Will Deacon
2020-05-05 16:20 ` Will Deacon
2020-05-05 17:59 ` Sudeep Holla [this message]
2020-05-05 17:59 ` Sudeep Holla
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