Re: AHCI on ICH7

Michael Butler wrote:
> On 01/12/11 05:50, Anton Yuzhaninov wrote:
>> Is it possible to get AHCI working on this controller:
>>
>> atapci1_at_pci0:0:31:2:    class=0x01018f card=0x72101462 chip=0x27c08086
>> rev=0x01 hdr=0x00
>>     vendor     = 'Intel Corporation'
>>     device     = '82801GB/GR/GH (ICH7 Family) Serial ATA Storage
>> Controller'
>>     class      = mass storage
>>     subclass   = ATA
>>     bar   [10] = type I/O Port, range 32, base 0xe880, size  8, enabled
>>     bar   [14] = type I/O Port, range 32, base 0xe800, size  4, enabled
>>     bar   [18] = type I/O Port, range 32, base 0xe480, size  8, enabled
>>     bar   [1c] = type I/O Port, range 32, base 0xe400, size  4, enabled
>>     bar   [20] = type I/O Port, range 32, base 0xe080, size 16, enabled
>>     cap 01[70] = powerspec 2  supports D0 D3  current D0
>>
>> BIOS show that AHCI 1.0 supported.
>>
>> I tried this patch with no success:
>>
>> --- sys/dev/ahci/ahci.c (revision 217301)
>> +++ sys/dev/ahci/ahci.c (working copy)
>> _at__at_ -129,6 +129,7 _at__at_
>>         {0x26838086, 0x00, "Intel ESB2",        0},
>>         {0x27c18086, 0x00, "Intel ICH7",        0},
>>         {0x27c38086, 0x00, "Intel ICH7",        0},
>> +       {0x27c08086, 0x00, "Intel ICH7",        0},
>>         {0x27c58086, 0x00, "Intel ICH7M",       0},
>>         {0x27c68086, 0x00, "Intel ICH7M",       0},
>>         {0x28218086, 0x00, "Intel ICH8",        0},
> 
> Since this series is also supported in the ata-intel driver ..
> 
>      { ATA_I82801GB,     0,          0, 1, ATA_UDMA5, "ICH7" },
>      { ATA_I82801GB_S1,  0,          0, 0, ATA_SA300, "ICH7" },
>      { ATA_I82801GB_R1,  0,          0, 0, ATA_SA300, "ICH7" },
>      { ATA_I82801GB_AH,  0, INTEL_AHCI, 0, ATA_SA300, "ICH7" },
>      { ATA_I82801GBM_S1, 0,          0, 0, ATA_SA150, "ICH7M" },
>      { ATA_I82801GBM_R1, 0,          0, 0, ATA_SA150, "ICH7M" },
>      { ATA_I82801GBM_AH, 0, INTEL_AHCI, 0, ATA_SA150, "ICH7M" },
> 
>  .. and it seems that PCIR_BAR(5) is already set as I/O, you could try
> adding the INTEL_AHCI attribute to the entry for "ATA_I82801GB_S1",
> which matches your chip-id and see what happens.

PCIR_BAR(5) is not set in this case, only 0-4. It won't help.

-- 
Alexander Motin