From: Florian Fainelli <f.fainelli@gmail.com>
To: Oleksandr Shamray <oleksandrs@mellanox.com>,
gregkh@linuxfoundation.org, arnd@arndb.de
Cc: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
openbmc@lists.ozlabs.org, joel@jms.id.au, jiri@resnulli.us,
tklauser@distanz.ch, linux-serial@vger.kernel.org,
vadimp@mellanox.com, system-sw-low-level@mellanox.com,
robh+dt@kernel.org, openocd-devel-owner@lists.sourceforge.net,
linux-api@vger.kernel.org, davem@davemloft.net,
mchehab@kernel.org
Subject: Re: [patch v18 0/4] JTAG driver introduction
Date: Tue, 30 Jan 2018 19:03:29 -0800 [thread overview]
Message-ID: <ff739c26-d3b2-3df7-e751-fbf037ae96d1@gmail.com> (raw)
In-Reply-To: <1517236305-4880-1-git-send-email-oleksandrs@mellanox.com>
On 01/29/2018 06:31 AM, Oleksandr Shamray wrote:
> When a need raise up to use JTAG interface for system's devices
> programming or CPU debugging, usually the user layer
> application implements jtag protocol by bit-bang or using a
> proprietary connection to vendor hardware.
> This method can be slow and not generic.
>
> We propose to implement general JTAG interface and infrastructure
> to communicate with user layer application. In such way, we can
> have the standard JTAG interface core part and separation from
> specific HW implementation.
> This allow new capability to debug the CPU or program system's
> device via BMC without additional devices nor cost.
Oleksandr, you have completed dodged my questions here:
https://lkml.org/lkml/2017/12/25/163
can you try to respond to some of these questions please?
--
Florian
next prev parent reply other threads:[~2018-01-31 3:03 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-29 14:31 Oleksandr Shamray
2018-01-29 14:31 ` [patch v18 1/4] drivers: jtag: Add JTAG core driver Oleksandr Shamray
2018-01-29 15:56 ` Julia Cartwright
2018-01-29 14:31 ` [patch v18 2/4] drivers: jtag: Add Aspeed SoC 24xx and 25xx families JTAG master driver Oleksandr Shamray
2018-01-29 14:31 ` [patch v18 3/4] Documentation: jtag: Add bindings for " Oleksandr Shamray
2018-01-29 14:31 ` [patch v18 4/4] Documentation: jtag: Add ABI documentation Oleksandr Shamray
2018-01-31 3:03 ` Florian Fainelli [this message]
2018-05-10 15:13 ` [patch v18 0/4] JTAG driver introduction Oleksandr Shamray
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