From: Eric Auger <eric.au...@redhat.com>
Add the support for AIDR register. It currently advertises
SMMU V3.0 spec.
Signed-off-by: Eric Auger <eric.au...@redhat.com>
Reviewed-by: Peter Maydell <peter.mayd...@linaro.org>
Message-id: 20200728150815.11446-10-eric.au...@redhat.com
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
---
hw/arm/smmuv3-internal.h | 1 +
include/hw/arm/smmuv3.h | 1 +
hw/arm/smmuv3.c | 3 +++
3 files changed, 5 insertions(+)
diff --git a/hw/arm/smmuv3-internal.h b/hw/arm/smmuv3-internal.h
index ef093eaff50..bd34a4f3300 100644
--- a/hw/arm/smmuv3-internal.h
+++ b/hw/arm/smmuv3-internal.h
@@ -64,6 +64,7 @@ REG32(IDR5, 0x14)
#define SMMU_IDR5_OAS 4
REG32(IIDR, 0x18)
+REG32(AIDR, 0x1c)
REG32(CR0, 0x20)
FIELD(CR0, SMMU_ENABLE, 0, 1)
FIELD(CR0, EVENTQEN, 2, 1)
diff --git a/include/hw/arm/smmuv3.h b/include/hw/arm/smmuv3.h
index 36b2f452539..68d7a963e0f 100644
--- a/include/hw/arm/smmuv3.h
+++ b/include/hw/arm/smmuv3.h
@@ -41,6 +41,7 @@ typedef struct SMMUv3State {
uint32_t idr[6];
uint32_t iidr;
+ uint32_t aidr;
uint32_t cr[3];
uint32_t cr0ack;
uint32_t statusr;
diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c
index 89ab11fc36a..718f28462ea 100644
--- a/hw/arm/smmuv3.c
+++ b/hw/arm/smmuv3.c
@@ -1251,6 +1251,9 @@ static MemTxResult smmu_readl(SMMUv3State *s, hwaddr
offset,
case A_IIDR:
*data = s->iidr;
return MEMTX_OK;
+ case A_AIDR:
+ *data = s->aidr;
+ return MEMTX_OK;
case A_CR0:
*data = s->cr[0];
return MEMTX_OK;
--
2.20.1
