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authorPeter Crosthwaite <peter.crosthwaite@xilinx.com>2015-05-14 19:23:01 -0700
committerPeter Maydell <peter.maydell@linaro.org>2015-05-18 16:41:09 +0100
commit7729e1f4b3c670eca38cc0ee0d96c1177efbc1e3 (patch)
tree7d0ad497b3924bf517ea54d3250d15257710a2fa /include/hw/arm
parentf0a902f76452211cadbdf1d25ef9b94732b096e8 (diff)
downloadfocaccia-qemu-7729e1f4b3c670eca38cc0ee0d96c1177efbc1e3.tar.gz
focaccia-qemu-7729e1f4b3c670eca38cc0ee0d96c1177efbc1e3.zip
arm: xlnx-zynqmp: Add GIC
Add the GIC and connect IRQ outputs to the CPUs. The GIC regions are
under-decoded through a 64k address region so implement aliases
accordingly.

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 5853189965728d676106d9e94e76b9bb87981cb5.1431381507.git.peter.crosthwaite@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/hw/arm')
-rw-r--r--include/hw/arm/xlnx-zynqmp.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/hw/arm/xlnx-zynqmp.h b/include/hw/arm/xlnx-zynqmp.h
index 62f6b6fd65..719bc8b3ef 100644
--- a/include/hw/arm/xlnx-zynqmp.h
+++ b/include/hw/arm/xlnx-zynqmp.h
@@ -19,6 +19,7 @@
 
 #include "qemu-common.h"
 #include "hw/arm/arm.h"
+#include "hw/intc/arm_gic.h"
 
 #define TYPE_XLNX_ZYNQMP "xlnx,zynqmp"
 #define XLNX_ZYNQMP(obj) OBJECT_CHECK(XlnxZynqMPState, (obj), \
@@ -26,12 +27,25 @@
 
 #define XLNX_ZYNQMP_NUM_CPUS 4
 
+#define XLNX_ZYNQMP_GIC_REGIONS 2
+
+/* ZynqMP maps the ARM GIC regions (GICC, GICD ...) at consecutive 64k offsets
+ * and under-decodes the 64k region. This mirrors the 4k regions to every 4k
+ * aligned address in the 64k region. To implement each GIC region needs a
+ * number of memory region aliases.
+ */
+
+#define XLNX_ZYNQMP_GIC_REGION_SIZE 0x4000
+#define XLNX_ZYNQMP_GIC_ALIASES     (0x10000 / XLNX_ZYNQMP_GIC_REGION_SIZE - 1)
+
 typedef struct XlnxZynqMPState {
     /*< private >*/
     DeviceState parent_obj;
 
     /*< public >*/
     ARMCPU cpu[XLNX_ZYNQMP_NUM_CPUS];
+    GICState gic;
+    MemoryRegion gic_mr[XLNX_ZYNQMP_GIC_REGIONS][XLNX_ZYNQMP_GIC_ALIASES];
 }  XlnxZynqMPState;
 
 #define XLNX_ZYNQMP_H