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From: Jay Estabrook <Jay.Estabrook@hp.com>
To: Thomas Evans <evans02472@gmail.com>
Cc: Tejun Heo <htejun@gmail.com>,
	IDE/ATA development list <linux-ide@vger.kernel.org>
Subject: Re: sata_sil24 / Alpha / 4726 PMP issue ..
Date: Fri, 25 Jan 2008 13:16:39 -0500	[thread overview]
Message-ID: <479A2787.5000106@hp.com> (raw)
In-Reply-To: <479A2374.6080100@gmail.com>

Thomas Evans wrote:
> Saw something that caught my attention might be nothing ...
> 
> When initialized, the port address is a 64 bit address:
> sil24_init_one init_one: port:FFFFFD00:09AA0000
> sil24_init_one init_one: port:FFFFFD00:09AA2000
> sil24_init_one init_one: port:FFFFFD00:09AA4000
> sil24_init_one init_one: port:FFFFFD00:09AA6000

These are KSEG addresses used for getting at the memory/registers
on the card, and were created by doing ioremap(physaddr).

> When the description from ata_port_pbar_desc comes out, it shows:
> ata13: SATA max UDMA/100 host m128@0x9aa9000 port 0x9aa0000 irq 31
> ata14: SATA max UDMA/100 host m128@0x9aa9000 port 0x9aa2000 irq 31
> ata15: SATA max UDMA/100 host m128@0x9aa9000 port 0x9aa4000 irq 31
> ata16: SATA max UDMA/100 host m128@0x9aa9000 port 0x9aa6000 irq 31

These are the physical addresses of the memory/registers of the card
on the PCI bus.

> I don't think the output is being truncated?

Nope, not truncated, just diff between physical and KSEG

> Is there some issue with the address?

Don't think so, at this time.

> ...tom
> 
> 
> Thomas Evans wrote:
>> added some more printk's based on what I saw -
>> maybe some issue with the dma port?
>>
>> ...tom
>>
> 


  reply	other threads:[~2008-01-25 18:35 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <4794459C.3090200@gmail.com>
2008-01-21  7:26 ` sata_sil24 / Alpha / 4726 PMP issue Tejun Heo
2008-01-21 16:42   ` Thomas Evans
2008-01-21 16:47     ` Thomas Evans
2008-01-22  2:26     ` Tejun Heo
2008-01-23  4:34       ` Thomas Evans
2008-01-23  6:18         ` Tejun Heo
2008-01-24  0:22           ` Thomas Evans
2008-01-24  1:42             ` Tejun Heo
     [not found]               ` <864c1e490801231823v3e9cf61ds2a0d553ed5b61fb2@mail.gmail.com>
2008-01-24  2:32                 ` Tejun Heo
2008-01-24  3:39                   ` Thomas Evans
2008-01-24  3:52                     ` Tejun Heo
2008-01-24 15:07                       ` Thomas Evans
2008-01-24 15:11                         ` Tejun Heo
2008-01-24 16:40                           ` Thomas Evans
2008-01-24 17:08                             ` Tejun Heo
     [not found]                               ` <4798CA71.20707@gmail.com>
     [not found]                                 ` <4798CC90.4040707@gmail.com>
     [not found]                                   ` <4798CCDF.9070305@gmail.com>
     [not found]                                     ` <4798CE10.2050005@gmail.com>
     [not found]                                       ` <4798D4A2.7030303@gmail.com>
     [not found]                                         ` <47991AD9.6050804@gmail.com>
     [not found]                                           ` <47993686.5040405@gmail.com>
     [not found]                                             ` <479939E3.4020307@gmail.com>
2008-01-25  6:04                                               ` Thomas Evans
2008-01-25 17:28                                                 ` Thomas Evans
2008-01-25 17:59                                                   ` Thomas Evans
2008-01-25 18:16                                                     ` Jay Estabrook [this message]
2008-01-27 22:50                                               ` Thomas Evans
2008-01-28  0:44                                                 ` Tejun Heo
2008-01-28  6:51                                                   ` Thomas Evans
2008-01-29  4:00                                                     ` Thomas Evans
2008-01-29  4:24                                                       ` Tejun Heo
2008-01-29  4:31                                                         ` Thomas Evans

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