1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv44.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv44.c
new file mode 100644
index 000000000..ab2630e5e
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv44.c
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2013 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Ben Skeggs
+ */
+#include "ramnv40.h"
+
+int
+nv44_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
+{
+	struct nvkm_device *device = fb->subdev.device;
+	u32  size = nvkm_rd32(device, 0x10020c) & 0xff000000;
+	u32 fb474 = nvkm_rd32(device, 0x100474);
+	enum nvkm_ram_type type = NVKM_RAM_TYPE_UNKNOWN;
+
+	if (fb474 & 0x00000004)
+		type = NVKM_RAM_TYPE_GDDR3;
+	if (fb474 & 0x00000002)
+		type = NVKM_RAM_TYPE_DDR2;
+	if (fb474 & 0x00000001)
+		type = NVKM_RAM_TYPE_DDR1;
+
+	return nv40_ram_new_(fb, type, size, pram);
+}