[Xen-devel] [PATCH 08/10] xen/arm: Move vGIC registers on Hip04 platform

[Frediano Ziglio <frediano.ziglio@xxxxxxxxxx>]

Signed-off-by: Frediano Ziglio <frediano.ziglio@xxxxxxxxxx>
Signed-off-by: Zoltan Kiss <zoltan.kiss@xxxxxxxxxx>
---
 xen/arch/arm/gic-v2.c     | 15 +++++++++++++--
 xen/include/asm-arm/gic.h |  2 ++
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/xen/arch/arm/gic-v2.c b/xen/arch/arm/gic-v2.c
index d92e2c0..330157b 100644
--- a/xen/arch/arm/gic-v2.c
+++ b/xen/arch/arm/gic-v2.c
@@ -671,8 +671,19 @@ static int gicv2_make_dt_node(const struct domain *d,
         return -FDT_ERR_XEN(ENOMEM);
 
     tmp = new_cells;
-    dt_set_range(&tmp, node, d->arch.vgic.dbase, PAGE_SIZE);
-    dt_set_range(&tmp, node, d->arch.vgic.cbase, PAGE_SIZE * 2);
+
+    if (platform_has_quirk(PLATFORM_QUIRK_GICV2_16_CPU))
+    {
+        dt_set_range(&tmp, node, d->arch.vgic.dbase - HIP04_VGIC_REG_OFFSET,
+                     PAGE_SIZE);
+        dt_set_range(&tmp, node, d->arch.vgic.cbase - HIP04_VGIC_REG_OFFSET,
+                     PAGE_SIZE * 2);
+    }
+    else
+    {
+        dt_set_range(&tmp, node, d->arch.vgic.dbase, PAGE_SIZE);
+        dt_set_range(&tmp, node, d->arch.vgic.cbase, PAGE_SIZE * 2);
+    }
 
     res = fdt_property(fdt, "reg", new_cells, len);
     xfree(new_cells);
diff --git a/xen/include/asm-arm/gic.h b/xen/include/asm-arm/gic.h
index 804bf24..c748791 100644
--- a/xen/include/asm-arm/gic.h
+++ b/xen/include/asm-arm/gic.h
@@ -149,6 +149,8 @@
 #define GICH_LR_PENDING         1
 #define GICH_LR_ACTIVE          2
 
+#define HIP04_VGIC_REG_OFFSET   0xe0000000
+
 #ifndef __ASSEMBLY__
 #include <xen/device_tree.h>
 #include <xen/irq.h>
-- 
1.9.1



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