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From: peng.fan@nxp.com
To: sudeep.holla@arm.com, robh+dt@kernel.org, mark.rutland@arm.com
Cc: viresh.kumar@linaro.org, f.fainelli@gmail.com, linux-imx@nxp.com,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
	andre.przywara@arm.com, Peng Fan <peng.fan@nxp.com>
Subject: [PATCH V2 0/2] firmware: arm_scmi: add smc/hvc transports support
Date: Thu, 13 Feb 2020 11:58:48 +0800	[thread overview]
Message-ID: <1581566330-1029-1-git-send-email-peng.fan@nxp.com> (raw)

From: Peng Fan <peng.fan@nxp.com>


V2:
 patch 1/2: only add smc-id property
 patch 2/2: Parse smc/hvc from psci node
	    Use prot_id as 2nd arg when issue smc/hvc
	    Differentiate tranports using mboxes or smc-id property

This is to add smc/hvc transports support, based on Viresh's v6.
SCMI firmware could be implemented in EL3, S-EL1, NS-EL2 or other
A core exception level. Then smc/hvc could be used. And for vendor
specific firmware, a wrapper layer could added in EL3, S-EL1,
NS-EL2 and etc to translate SCMI calls to vendor specific firmware calls.

A new compatible string arm,scmi-smc is added. arm,scmi is still for
mailbox transports.

All protocol share same smc/hvc id, the protocol id will be take as
2nd arg when issue smc/hvc.
Each protocol could use its own shmem or share the same shmem
Per smc/hvc, only Tx supported.

Peng Fan (2):
  dt-bindings: arm: arm,scmi: add smc/hvc transports
  firmware: arm_scmi: add smc/hvc transports

 Documentation/devicetree/bindings/arm/arm,scmi.txt |   1 +
 drivers/firmware/arm_scmi/Makefile                 |   2 +-
 drivers/firmware/arm_scmi/common.h                 |   4 +-
 drivers/firmware/arm_scmi/driver.c                 |  11 +-
 drivers/firmware/arm_scmi/mailbox.c                |   2 +-
 drivers/firmware/arm_scmi/smc.c                    | 222 +++++++++++++++++++++
 6 files changed, 235 insertions(+), 7 deletions(-)
 create mode 100644 drivers/firmware/arm_scmi/smc.c

-- 
2.16.4


             reply	other threads:[~2020-02-13  4:04 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-13  3:58 peng.fan [this message]
2020-02-13  3:58 ` [PATCH V2 1/2] dt-bindings: arm: arm,scmi: add smc/hvc transports peng.fan
2020-02-13 10:54   ` Sudeep Holla
2020-02-14  0:59     ` Peng Fan
2020-02-13  3:58 ` [PATCH V2 2/2] firmware: arm_scmi: " peng.fan
2020-02-13 11:04   ` Sudeep Holla
2020-02-14  1:04     ` Peng Fan

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