linux-kernel - c2port (Version 3): support for Silicon C2 Interface.

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Message-Id: <1224708801-16675-1-git-send-email-giometti@linux.it>
Date:	Wed, 22 Oct 2008 22:53:19 +0200
From:	Rodolfo Giometti <giometti@...ux.it>
To:	linux-kernel@...r.kernel.org
Cc:	Andrew Morton <akpm@...ux-foundation.org>, Greg KH <greg@...ah.com>
Subject: c2port (Version 3): support for Silicon C2 Interface.

C2 port implements a two wire serial communication protocol (bit
banging) designed to enable in-system programming, debugging, and
boundary-scan testing on low pin-count Silicon Labs devices.

Main references are at Silicon Laboratories site:

* AN127: FLASH Programming via the C2 Interface
     http://www.silabs.com/public/documents/tpub_doc/anote/Microcontrollers/Small_Form_Factor/en/an127.pdf

* C2 Specification
     http://www.silabs.com/public/documents/tpub_doc/spec/Microcontrollers/en/C2spec.pdf

Currently this code supports only flash programming through sysfs
interface but extensions shoud be easy to add.

Changelog
=========

Version 2 -> 3:
---------------

* Static variables fix up.

* Update_lock is now initialised at compile-time, not at runtime.

* Memory leak in c2port_device_register fixed.

* Comments review.

Version 1 -> 2:
---------------

* Documentation added.

* One client added.

Rodolfo

--

 b/Documentation/ABI/testing/sysfs-c2port   |   88 ++
 b/Documentation/c2port.txt                 |   90 ++
 b/drivers/misc/Kconfig                     |    2 
 b/drivers/misc/Makefile                    |    1 
 b/drivers/misc/c2port/Kconfig              |   24 
 b/drivers/misc/c2port/Makefile             |    1 
 b/drivers/misc/c2port/c2port-duramar2150.c |  158 ++++
 b/drivers/misc/c2port/core.c               | 1002 +++++++++++++++++++++++++++++
 b/include/linux/c2port.h                   |   65 +
 drivers/misc/c2port/Kconfig                |   11 
 drivers/misc/c2port/Makefile               |    2 
 11 files changed, 1444 insertions(+)

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