arm64/mmu_region: add ivshmem mmu region for arm64

Now the ivhsmem memory region can be used in arm64

Signed-off-by: Bowen Wang <wangbowen6@xiaomi.com>

arch/arm64/include/qemu/chip.h

@@ -64,6 +64,9 @@
 #define CONFIG_DEVICEPCIE_BASEADDR 0x4010000000
 #define CONFIG_DEVICEPCIE_SIZE     MB(256)
 
+#define CONFIG_IVSHMEM_BASEADDR    0x8040400000
+#define CONFIG_IVSHMEM_SIZE        MB(256)
+
 #define CONFIG_LOAD_BASE           0x40280000
 
 #define MPID_TO_CLUSTER_ID(mpid)   ((mpid) & ~0xff)

arch/arm64/src/common/arm64_arch.h

@@ -263,7 +263,7 @@
  *  to these memory regions.
  */
 
-#define CONFIG_MAX_XLAT_TABLES      7
+#define CONFIG_MAX_XLAT_TABLES      10
 
 /* Virtual address space size
  * Allows choosing one of multiple possible virtual address

arch/arm64/src/qemu/qemu_boot.c

@@ -67,6 +67,11 @@ static const struct arm_mmu_region g_mmu_regions[] =
                         CONFIG_DEVICEPCIE_BASEADDR,
                         CONFIG_DEVICEPCIE_SIZE,
                         MT_NORMAL | MT_RW | MT_SECURE),
+
+  MMU_REGION_FLAT_ENTRY("IVSHMEM",
+                        CONFIG_IVSHMEM_BASEADDR,
+                        CONFIG_IVSHMEM_SIZE,
+                        MT_NORMAL | MT_RW | MT_SECURE),
 };
 
 const struct arm_mmu_config g_mmu_config =