ppc/pnv: Add a "/qemu" device tree node

It helps skiboot identifying that is running on a QEMU platform. The
compatible string will define the POWERPC processor version.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20191106142129.4908-1-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
index d0c1d42277849727c41bf1736671ede25f44e80c..416caab6f6f4e0ed3ffc710e625f62897c3288fe 100644 (file)
--- a/hw/ppc/pnv.c
+++ b/hw/ppc/pnv.c
@@ -480,6 +480,9 @@ static void *pnv_dt_create(MachineState *machine)
     fdt = g_malloc0(FDT_MAX_SIZE);
     _FDT((fdt_create_empty_tree(fdt, FDT_MAX_SIZE)));
 
+    /* /qemu node */
+    _FDT((fdt_add_subnode(fdt, 0, "qemu")));
+
     /* Root node */
     _FDT((fdt_setprop_cell(fdt, 0, "#address-cells", 0x2)));
     _FDT((fdt_setprop_cell(fdt, 0, "#size-cells", 0x2)));