Commit bc565116 authored by Cédric Le Goater's avatar Cédric Le Goater Committed by David Gibson
Browse files

ppc/pnv: add more dummy XSCOM addresses 



To improve OPAL/skiboot support. We don't need to strictly model these
XSCOM accesses.

Signed-off-by: default avatarCédric Le Goater <clg@kaod.org>
Message-Id: <20190307223548.20516-14-clg@kaod.org>
Signed-off-by: default avatarDavid Gibson <david@gibson.dropbear.id.au>
parent e5a0c52a

hw/ppc/pnv_xscom.c

+27 −6
Original line number Diff line number Diff line
@@ -64,11 +64,21 @@ static uint64_t xscom_read_default(PnvChip *chip, uint32_t pcba) 
    switch (pcba) {

    case 0xf000f:

        return PNV_CHIP_GET_CLASS(chip)->chip_cfam_id;

    case 0x18002:       /* ECID2 */

        return 0;



    case 0x1010c00:     /* PIBAM FIR */

    case 0x1010c03:     /* PIBAM FIR MASK */

    case 0x2020007:     /* ADU stuff */

    case 0x2020009:     /* ADU stuff */

    case 0x202000f:     /* ADU stuff */



        /* P9 xscom reset */

    case 0x0090018:     /* Receive status reg */

    case 0x0090012:     /* log register */

    case 0x0090013:     /* error register */



        /* P8 xscom reset */

    case 0x2020007:     /* ADU stuff, log register */

    case 0x2020009:     /* ADU stuff, error register */

    case 0x202000f:     /* ADU stuff, receive status register*/

        return 0;

    case 0x2013f00:     /* PBA stuff */

    case 0x2013f01:     /* PBA stuff */
@@ -100,9 +110,20 @@ static bool xscom_write_default(PnvChip *chip, uint32_t pcba, uint64_t val) 
    case 0x1010c03:     /* PIBAM FIR MASK */

    case 0x1010c04:     /* PIBAM FIR MASK */

    case 0x1010c05:     /* PIBAM FIR MASK */

    case 0x2020007:     /* ADU stuff */

    case 0x2020009:     /* ADU stuff */

    case 0x202000f:     /* ADU stuff */

        /* P9 xscom reset */

    case 0x0090018:     /* Receive status reg */

    case 0x0090012:     /* log register */

    case 0x0090013:     /* error register */



        /* P8 xscom reset */

    case 0x2020007:     /* ADU stuff, log register */

    case 0x2020009:     /* ADU stuff, error register */

    case 0x202000f:     /* ADU stuff, receive status register*/



    case 0x2013028:     /* CAPP stuff */

    case 0x201302a:     /* CAPP stuff */

    case 0x2013801:     /* CAPP stuff */

    case 0x2013802:     /* CAPP stuff */

        return true;

    default:

        return false;