[Patch v2 1/2] hw/arm/xlnx-versal: Add unimplemented APU mmio

[Tong Ho]

Add unimplemented APU mmio region to xlnx-versal for booting
bare-metal guests built with standalone bsp, which access the
region from one of the following places:
  
https://github.com/Xilinx/embeddedsw/blob/release-2020.2/lib/bsp/standalone/src/arm/ARMv8/64bit/armclang/boot.S#L139
  
https://github.com/Xilinx/embeddedsw/blob/release-2020.2/lib/bsp/standalone/src/arm/ARMv8/64bit/gcc/boot.S#L183

Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Tong Ho <tong.ho@xilinx.com>
---
 hw/arm/xlnx-versal.c         | 2 ++
 include/hw/arm/xlnx-versal.h | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/hw/arm/xlnx-versal.c b/hw/arm/xlnx-versal.c
index fb776834f7..cb6ec0a4a0 100644
--- a/hw/arm/xlnx-versal.c
+++ b/hw/arm/xlnx-versal.c
@@ -376,6 +376,8 @@ static void versal_unimp(Versal *s)
                         MM_CRL, MM_CRL_SIZE);
     versal_unimp_area(s, "crf", &s->mr_ps,
                         MM_FPD_CRF, MM_FPD_CRF_SIZE);
+    versal_unimp_area(s, "apu", &s->mr_ps,
+                        MM_FPD_FPD_APU, MM_FPD_FPD_APU_SIZE);
     versal_unimp_area(s, "crp", &s->mr_ps,
                         MM_PMC_CRP, MM_PMC_CRP_SIZE);
     versal_unimp_area(s, "iou-scntr", &s->mr_ps,
diff --git a/include/hw/arm/xlnx-versal.h b/include/hw/arm/xlnx-versal.h
index 22a8fa5d11..9b79051747 100644
--- a/include/hw/arm/xlnx-versal.h
+++ b/include/hw/arm/xlnx-versal.h
@@ -167,6 +167,8 @@ struct Versal {
 #define MM_IOU_SCNTRS_SIZE          0x10000
 #define MM_FPD_CRF                  0xfd1a0000U
 #define MM_FPD_CRF_SIZE             0x140000
+#define MM_FPD_FPD_APU              0xfd5c0000
+#define MM_FPD_FPD_APU_SIZE         0x100
 
 #define MM_PMC_SD0                  0xf1040000U
 #define MM_PMC_SD0_SIZE             0x10000
-- 
2.25.1