linux-kernel - Re: [PATCH 0/6] Add initial support for Broadcom Cygnus SoC

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 19 Sep 2014 00:54:54 +0200
From:	Hauke Mehrtens <hauke@...ke-m.de>
To:	Florian Fainelli <florian@...nwrt.org>,
	Jonathan Richardson <jonathar@...adcom.com>,
	Christian Daudt <bcm@...thebug.org>,
	Matt Porter <mporter@...aro.org>,
	Russell King <linux@....linux.org.uk>,
	Mike Turquette <mturquette@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	JD Zheng <jdzheng@...adcom.com>
CC:	devicetree@...r.kernel.org, Scott Branden <sbranden@...adcom.com>,
	Ray Jui <rjui@...adcom.com>,
	Rafał Miłecki <zajec5@...il.com>,
	linux-kernel@...r.kernel.org,
	bcm-kernel-feedback-list@...adcom.com,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 0/6] Add initial support for Broadcom Cygnus SoC

On 09/19/2014 12:39 AM, Florian Fainelli wrote:
> On 09/18/2014 03:31 PM, Hauke Mehrtens wrote:
>> On 09/16/2014 09:58 PM, Jonathan Richardson wrote:
>>> Hi,
>>>
>>> This patchset contains initial support for Broadcom's Cygnus SoC based on our
>>> iProc architecture. Initial support is minimal and includes just the mach
>>> platform code, clock driver, and a basic device tree configuration. Peripheral
>>> drivers will be submitted soon, as will device tree configurations for other
>>> Cygnus board variants.
>>
>> This SoC looks similar to the BCM5301X (Northstar) SoCs even some cores
>> are at the same memory addresses. Does this SoC use an AXI bus with
>> Broadcom Plugins at address 0x18000000 ?
>>
>> The BCM5301X (Northstar) SoCs also has an iProc Clock Control Unit and I
>> will try to use your driver for that SoC.
>>
>> Is Broadcom Cygnus similar to BCM563XX or is it actually the same SoC?
> 
> According to this link:
> http://lists.denx.de/pipermail/u-boot/2014-August/186086.html
> 
> these SoCs, in particular BCM58622 would belong to the StrataGX network
> processors:
> http://www.broadcom.com/products/Processors/Home-and-Small-Business/BCM5862X-Series.

Broadcom claims that this SoC is pin and software compatible to BCM5301X:
> Pin compatible and software compatible products with previous
> generation BCM5301x products enable single design with easy
> upgradeable path

>> Do you have some description of the hardware features of this SoC? Does
>> it have PCIe, or Ethernet?
> 
> From the link above, it has Ethernet for sure, and certainly PCIe since
> the Wi-Fi chips mentioned in the link above are PCIe chips.
> 
> It would be really good if all the work you and Rafal did was usable for
> the Cygnus SoCs.

I also hope you can use much of the code and improve it. ;-)

Hauke

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/