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[Qemu-devel] [RFC PATCH 5/6] hw/ppc/pnv_xscom: retrieve homer/occ base a
From: |
Balamuruhan S |
Subject: |
[Qemu-devel] [RFC PATCH 5/6] hw/ppc/pnv_xscom: retrieve homer/occ base address from PBA BARs |
Date: |
Wed, 7 Aug 2019 12:44:44 +0530 |
During PowerNV boot skiboot populates the device tree by retrieving
base address of homer/occ common area from PBA BARs and prd ipoll
mask by accessing xscom read/write accesses.
Signed-off-by: Balamuruhan S <address@hidden>
---
hw/ppc/pnv_xscom.c | 27 +++++++++++++++++++++++----
1 file changed, 23 insertions(+), 4 deletions(-)
diff --git a/hw/ppc/pnv_xscom.c b/hw/ppc/pnv_xscom.c
index 5d5b5e9884..18a780bcdf 100644
--- a/hw/ppc/pnv_xscom.c
+++ b/hw/ppc/pnv_xscom.c
@@ -77,6 +77,29 @@ static uint64_t xscom_read_default(PnvChip *chip, uint32_t
pcba)
case 0x18002: /* ECID2 */
return 0;
+ /* PBA BAR0 */
+ case 0x5012b00: /* P9 homer base address */
+ return PNV9_HOMER_BASE(chip);
+ case 0x2013f00: /* P8 homer base address */
+ return PNV_HOMER_BASE(chip);
+
+ /* PBA BARMASK0 */
+ case 0x5012b04: /* P9 homer region size */
+ case 0x2013f04: /* P8 homer region size */
+ return PNV_HOMER_SIZE;
+
+ /* PBA BAR2 */
+ case 0x5012b02: /* P9 occ common area */
+ return PNV9_OCC_COMMON_AREA(chip);
+ case 0x2013f02: /* P8 occ common area */
+ return PNV_OCC_COMMON_AREA(chip);
+
+ /* PBA BARMASK2 */
+ case 0x5012b06: /* P9 occ common area size */
+ case 0x2013f06: /* P8 occ common area size */
+ return PNV_OCC_COMMON_AREA_SIZE;
+
+
case 0x1010c00: /* PIBAM FIR */
case 0x1010c03: /* PIBAM FIR MASK */
@@ -96,13 +119,9 @@ static uint64_t xscom_read_default(PnvChip *chip, uint32_t
pcba)
case 0x2020009: /* ADU stuff, error register */
case 0x202000f: /* ADU stuff, receive status register*/
return 0;
- case 0x2013f00: /* PBA stuff */
case 0x2013f01: /* PBA stuff */
- case 0x2013f02: /* PBA stuff */
case 0x2013f03: /* PBA stuff */
- case 0x2013f04: /* PBA stuff */
case 0x2013f05: /* PBA stuff */
- case 0x2013f06: /* PBA stuff */
case 0x2013f07: /* PBA stuff */
return 0;
case 0x2013028: /* CAPP stuff */
--
2.14.5
- Re: [Qemu-devel] [RFC PATCH 3/6] hw/ppc/pnv_homer: add homer/occ common area emulation for PowerNV, (continued)
[Qemu-devel] [RFC PATCH 4/6] hw/ppc/pnv: initialize and realize homer/occ common area, Balamuruhan S, 2019/08/07
Re: [Qemu-devel] [RFC PATCH 4/6] hw/ppc/pnv: initialize and realize homer/occ common area, David Gibson, 2019/08/09
[Qemu-devel] [RFC PATCH 5/6] hw/ppc/pnv_xscom: retrieve homer/occ base address from PBA BARs,
Balamuruhan S <=
[Qemu-devel] [RFC PATCH 6/6] hw/ppc/pnv_homer: add python interface support for homer/occ common area, Balamuruhan S, 2019/08/07
Re: [Qemu-devel] [RFC PATCH 0/6] Enhancing Qemu MMIO emulation with scripting interface, no-reply, 2019/08/07
Re: [Qemu-devel] [RFC PATCH 0/6] Enhancing Qemu MMIO emulation with scripting interface, Cédric Le Goater, 2019/08/07