lkml.org 
[lkml]   [2008]   [Feb]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: Sata-MV, Intergated Sata Device Support
    Jon Li wrote:
    > Hello,
    >
    > I am curious as to whether there are plans to add support for integrated
    > sata devices. I personally want to add support for a 60x1C0 based
    > device (pci:id = 0x5182). I think adding support should be relatively
    > simple, except for a few issues outlined below.
    >
    > In the original mvSata.c (ver3.4) that has 0x5182 support, the config
    > space is as such:
    >
    > case MV_SATA_DEVICE_ID_5182:
    > pAdapter->numberOfChannels = MV_SATA_5182_PORT_NUM;
    > pAdapter->numberOfUnits = 1;
    > pAdapter->portsPerUnit = 2;
    > pAdapter->sataAdapterGeneration = MV_SATA_GEN_IIE;
    > /*The integrated sata core chip based on 60x1 C0*/
    > pAdapter->chipIs60X1C0 = MV_TRUE;
    > pAdapter->hostInterface = MV_HOST_IF_INTEGRATED;
    > pAdapter->mainMaskOffset = 0x20024; /*the iobaseaddress is
    > 0x60000*/
    > pAdapter->mainCauseOffset = 0x20020;
    > break;
    >
    > I have not yet figured out how all these values are defined in sata-mv.c
    > (ver 0.8). Specifically, where do I define "numberOfChannels" which
    > should equal 2, and "numberOfUnits" which obviously equals 1?
    >
    > I have a current config space (not completed) for sata-mv.c which is:
    >
    > { /* chip_5182 */
    > .sht = &mv_sht,
    > .flags = (MV_COMMON_FLAGS | MV_6XXX_FLAGS |
    > MV_FLAG_DUAL_HC),
    > .pio_mask = 0x1f, /* pio0-4 */
    > .udma_mask = 0x7f, /* udma0-6 */
    > .port_ops = &mv6_ops,
    > },
    >
    > I believe according to the new structure in sata-mv.c,
    > HC_MAIN_IRQ_CAUSE_OFS should equal 0x20020 and HC_MAIN_IRQ_MASK_OFS
    > should equal 0x20024 for the 0x5182 device.
    >
    > My final question is how to implement the MV_HOST_IF_INTEGRATED flag?
    > Is this already implemented and renamed in sata-mv.c? Or do I need to
    > also add the routines?

    I just wanted to point the current sata_mv hackers to this message from
    April 2007...

    Jeff





    \
     
     \ /
      Last update: 2008-02-26 00:43    [W:4.558 / U:1.180 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site