Adding upstream version 5.10.209.upstream/5.10.209

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 113 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv10.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv10.c
new file mode 100644
index 000000000..570822f83
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv10.c
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2010 Francisco Jerez.
+ * All Rights Reserved.
+ *
+ * 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 (including the
+ * next paragraph) 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 OWNER(S) AND/OR ITS SUPPLIERS 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.
+ *
+ */
+#include "nv04.h"
+#include "fbmem.h"
+
+#include <subdev/bios.h>
+#include <subdev/bios/init.h>
+
+static void
+nv10_devinit_meminit(struct nvkm_devinit *init)
+{
+	struct nvkm_subdev *subdev = &init->subdev;
+	struct nvkm_device *device = subdev->device;
+	static const int mem_width[] = { 0x10, 0x00, 0x20 };
+	int mem_width_count;
+	uint32_t patt = 0xdeadbeef;
+	struct io_mapping *fb;
+	int i, j, k;
+
+	if (device->card_type >= NV_11 && device->chipset >= 0x17)
+		mem_width_count = 3;
+	else
+		mem_width_count = 2;
+
+	/* Map the framebuffer aperture */
+	fb = fbmem_init(device);
+	if (!fb) {
+		nvkm_error(subdev, "failed to map fb\n");
+		return;
+	}
+
+	nvkm_wr32(device, NV10_PFB_REFCTRL, NV10_PFB_REFCTRL_VALID_1);
+
+	/* Probe memory bus width */
+	for (i = 0; i < mem_width_count; i++) {
+		nvkm_mask(device, NV04_PFB_CFG0, 0x30, mem_width[i]);
+
+		for (j = 0; j < 4; j++) {
+			for (k = 0; k < 4; k++)
+				fbmem_poke(fb, 0x1c, 0);
+
+			fbmem_poke(fb, 0x1c, patt);
+			fbmem_poke(fb, 0x3c, 0);
+
+			if (fbmem_peek(fb, 0x1c) == patt)
+				goto mem_width_found;
+		}
+	}
+
+mem_width_found:
+	patt <<= 1;
+
+	/* Probe amount of installed memory */
+	for (i = 0; i < 4; i++) {
+		int off = nvkm_rd32(device, 0x10020c) - 0x100000;
+
+		fbmem_poke(fb, off, patt);
+		fbmem_poke(fb, 0, 0);
+
+		fbmem_peek(fb, 0);
+		fbmem_peek(fb, 0);
+		fbmem_peek(fb, 0);
+		fbmem_peek(fb, 0);
+
+		if (fbmem_peek(fb, off) == patt)
+			goto amount_found;
+	}
+
+	/* IC missing - disable the upper half memory space. */
+	nvkm_mask(device, NV04_PFB_CFG0, 0x1000, 0);
+
+amount_found:
+	fbmem_fini(fb);
+}
+
+static const struct nvkm_devinit_func
+nv10_devinit = {
+	.dtor = nv04_devinit_dtor,
+	.preinit = nv04_devinit_preinit,
+	.post = nv04_devinit_post,
+	.meminit = nv10_devinit_meminit,
+	.pll_set = nv04_devinit_pll_set,
+};
+
+int
+nv10_devinit_new(struct nvkm_device *device, int index,
+		 struct nvkm_devinit **pinit)
+{
+	return nv04_devinit_new_(&nv10_devinit, device, index, pinit);
+}