powerpc/85xx: add board support for the Freescale hypervisor

Add support for the ePAPR-compliant Freescale hypervisor (aka "Topaz") on
the Freescale P3041DS, P4080DS, and P5020DS reference boards.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 15 insertions, 1 deletions

diff --git a/arch/powerpc/platforms/85xx/p4080_ds.c b/arch/powerpc/platforms/85xx/p4080_ds.c
index ec8320c95f8f..eed4b01deff7 100644
--- a/arch/powerpc/platforms/85xx/p4080_ds.c
+++ b/arch/powerpc/platforms/85xx/p4080_ds.c
@@ -29,6 +29,7 @@
 #include <linux/of_platform.h>
 #include <sysdev/fsl_soc.h>
 #include <sysdev/fsl_pci.h>
+#include <asm/ehv_pic.h>
 
 #include "corenet_ds.h"
 
@@ -39,7 +40,20 @@ static int __init p4080_ds_probe(void)
 {
         unsigned long root = of_get_flat_dt_root();
 
-        return of_flat_dt_is_compatible(root, "fsl,P4080DS");
+        if (of_flat_dt_is_compatible(root, "fsl,P4080DS"))
+                return 1;
+
+        /* Check if we're running under the Freescale hypervisor */
+        if (of_flat_dt_is_compatible(root, "fsl,P4080DS-hv")) {
+                ppc_md.init_IRQ = ehv_pic_init;
+                ppc_md.get_irq = ehv_pic_get_irq;
+                ppc_md.restart = fsl_hv_restart;
+                ppc_md.power_off = fsl_hv_halt;
+                ppc_md.halt = fsl_hv_halt;
+                return 1;
+        }
+
+        return 0;
 }
 
 define_machine(p4080_ds) {