SATA FSL and upstreaming

[tiejun.chen]

On 05/16/2013 02:20 PM, Zang Roy-R61911 wrote:
>
>
>> -----Original Message-----
>> From: tiejun.chen [mailto:tiejun.chen at windriver.com]
>> Sent: Thursday, May 16, 2013 2:18 PM
>> To: Benjamin Herrenschmidt
>> Cc: Zang Roy-R61911; Liu Qiang-B32616; Fleming Andy-AFLEMING; linuxppc-
>> dev at lists.ozlabs.org; Xie Shaohui-B21989; Bhushan Bharat-R65777
>> Subject: Re: SATA FSL and upstreaming
>>
>> On 05/16/2013 02:09 PM, Benjamin Herrenschmidt wrote:
>>> On Thu, 2013-05-16 at 06:05 +0000, Zang Roy-R61911 wrote:
>>>> I do not suggest changing the RCW. If the RCW is broken on Ben's
>>>> side, it is not easy to recover for him.
>>>> Let's check the U-boot output first.
>>>
>>> U-Boot 2013.01-00009-g7bcd7f4 (Mar 14 2013 - 14:23:16)
>>>
>>> CPU0:  P5020E, Version: 1.0, (0x82280010)
>>> Core:  E5500, Version: 1.0, (0x80240010) Clock Configuration:
>>>          CPU0:2000 MHz, CPU1:2000 MHz,
>>>          CCB:800  MHz,
>>>          DDR:666.667 MHz (1333.333 MT/s data rate) (Asynchronous),
>> LBC:100  MHz
>>>          FMAN1: 600 MHz
>>>          QMAN:  400 MHz
>>>          PME:   400 MHz
>>> L1:    D-cache 32 kB enabled
>>>          I-cache 32 kB enabled
>>> Board: P5020DS, Sys ID: 0x1c, Sys Ver: 0x12, FPGA Ver: 0x05, vBank: 0
>>> Reset Configuration Word (RCW):
>>>          00000000: 0c540000 00000000 1e120000 00000000
>>>          00000010: d8984a01 03002000 de800000 41000000
>>>          00000020: 00000000 00000000 00000000 10070000
>>>          00000030: 00000000 00000000 00000000 00000000
>>
>> I think you can use Bharat's RCW, which seems RR_HXAPNSP_0x36, then
>> please take a look at this:
> Why?

I just believe Bharat should pick a proper RCW from SDK.

> Ben's on board RCW protocol is 0x36, which should work for PCIe1 (slot 7) and PCIe3 (slot4).

Didn't you see I'm also saying to use slot 7 and slot 4?

Tiejun