From: Cédric Le Goater <c...@kaod.org>
To improve OPAL/skiboot support. We don't need to strictly model these
XSCOM accesses.
Signed-off-by: Cédric Le Goater <c...@kaod.org>
Message-Id: <20190307223548.20516-14-...@kaod.org>
Signed-off-by: David Gibson <da...@gibson.dropbear.id.au>
---
hw/ppc/pnv_xscom.c | 33 +++++++++++++++++++++++++++------
1 file changed, 27 insertions(+), 6 deletions(-)
diff --git a/hw/ppc/pnv_xscom.c b/hw/ppc/pnv_xscom.c
index 46fae41f32..c285ef514e 100644
--- a/hw/ppc/pnv_xscom.c
+++ b/hw/ppc/pnv_xscom.c
@@ -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;
--
2.20.1
