[PATCH 0/6] Add initial support for Broadcom Cygnus SoC

Florian Fainelli florian at openwrt.org
Thu Sep 18 15:39:18 PDT 2014

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:

these SoCs, in particular BCM58622 would belong to the StrataGX network

> 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.

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