summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm200.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm200.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm200.c186
1 files changed, 186 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm200.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm200.c
new file mode 100644
index 000000000..a308b9bde
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm200.c
@@ -0,0 +1,186 @@
+/*
+ * 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 "nv50.h"
+
+#include <subdev/bios.h>
+#include <subdev/bios/bit.h>
+#include <subdev/bios/pmu.h>
+#include <subdev/timer.h>
+
+static void
+pmu_code(struct nv50_devinit *init, u32 pmu, u32 img, u32 len, bool sec)
+{
+ struct nvkm_device *device = init->base.subdev.device;
+ struct nvkm_bios *bios = device->bios;
+ int i;
+
+ nvkm_wr32(device, 0x10a180, 0x01000000 | (sec ? 0x10000000 : 0) | pmu);
+ for (i = 0; i < len; i += 4) {
+ if ((i & 0xff) == 0)
+ nvkm_wr32(device, 0x10a188, (pmu + i) >> 8);
+ nvkm_wr32(device, 0x10a184, nvbios_rd32(bios, img + i));
+ }
+
+ while (i & 0xff) {
+ nvkm_wr32(device, 0x10a184, 0x00000000);
+ i += 4;
+ }
+}
+
+static void
+pmu_data(struct nv50_devinit *init, u32 pmu, u32 img, u32 len)
+{
+ struct nvkm_device *device = init->base.subdev.device;
+ struct nvkm_bios *bios = device->bios;
+ int i;
+
+ nvkm_wr32(device, 0x10a1c0, 0x01000000 | pmu);
+ for (i = 0; i < len; i += 4)
+ nvkm_wr32(device, 0x10a1c4, nvbios_rd32(bios, img + i));
+}
+
+static u32
+pmu_args(struct nv50_devinit *init, u32 argp, u32 argi)
+{
+ struct nvkm_device *device = init->base.subdev.device;
+ nvkm_wr32(device, 0x10a1c0, argp);
+ nvkm_wr32(device, 0x10a1c0, nvkm_rd32(device, 0x10a1c4) + argi);
+ return nvkm_rd32(device, 0x10a1c4);
+}
+
+static void
+pmu_exec(struct nv50_devinit *init, u32 init_addr)
+{
+ struct nvkm_device *device = init->base.subdev.device;
+ nvkm_wr32(device, 0x10a104, init_addr);
+ nvkm_wr32(device, 0x10a10c, 0x00000000);
+ nvkm_wr32(device, 0x10a100, 0x00000002);
+}
+
+static int
+pmu_load(struct nv50_devinit *init, u8 type, bool post,
+ u32 *init_addr_pmu, u32 *args_addr_pmu)
+{
+ struct nvkm_subdev *subdev = &init->base.subdev;
+ struct nvkm_bios *bios = subdev->device->bios;
+ struct nvbios_pmuR pmu;
+
+ if (!nvbios_pmuRm(bios, type, &pmu))
+ return -EINVAL;
+
+ if (!post)
+ return 0;
+
+ pmu_code(init, pmu.boot_addr_pmu, pmu.boot_addr, pmu.boot_size, false);
+ pmu_code(init, pmu.code_addr_pmu, pmu.code_addr, pmu.code_size, true);
+ pmu_data(init, pmu.data_addr_pmu, pmu.data_addr, pmu.data_size);
+
+ if (init_addr_pmu) {
+ *init_addr_pmu = pmu.init_addr_pmu;
+ *args_addr_pmu = pmu.args_addr_pmu;
+ return 0;
+ }
+
+ return pmu_exec(init, pmu.init_addr_pmu), 0;
+}
+
+void
+gm200_devinit_preos(struct nv50_devinit *init, bool post)
+{
+ /* Optional: Execute PRE_OS application on PMU, which should at
+ * least take care of fans until a full PMU has been loaded.
+ */
+ pmu_load(init, 0x01, post, NULL, NULL);
+}
+
+int
+gm200_devinit_post(struct nvkm_devinit *base, bool post)
+{
+ struct nv50_devinit *init = nv50_devinit(base);
+ struct nvkm_subdev *subdev = &init->base.subdev;
+ struct nvkm_device *device = subdev->device;
+ struct nvkm_bios *bios = device->bios;
+ struct bit_entry bit_I;
+ u32 exec, args;
+ int ret;
+
+ if (bit_entry(bios, 'I', &bit_I) || bit_I.version != 1 ||
+ bit_I.length < 0x1c) {
+ nvkm_error(subdev, "VBIOS PMU init data not found\n");
+ return -EINVAL;
+ }
+
+ /* Upload DEVINIT application from VBIOS onto PMU. */
+ ret = pmu_load(init, 0x04, post, &exec, &args);
+ if (ret) {
+ nvkm_error(subdev, "VBIOS PMU/DEVINIT not found\n");
+ return ret;
+ }
+
+ /* Upload tables required by opcodes in boot scripts. */
+ if (post) {
+ u32 pmu = pmu_args(init, args + 0x08, 0x08);
+ u32 img = nvbios_rd16(bios, bit_I.offset + 0x14);
+ u32 len = nvbios_rd16(bios, bit_I.offset + 0x16);
+ pmu_data(init, pmu, img, len);
+ }
+
+ /* Upload boot scripts. */
+ if (post) {
+ u32 pmu = pmu_args(init, args + 0x08, 0x10);
+ u32 img = nvbios_rd16(bios, bit_I.offset + 0x18);
+ u32 len = nvbios_rd16(bios, bit_I.offset + 0x1a);
+ pmu_data(init, pmu, img, len);
+ }
+
+ /* Execute DEVINIT. */
+ if (post) {
+ nvkm_wr32(device, 0x10a040, 0x00005000);
+ pmu_exec(init, exec);
+ if (nvkm_msec(device, 2000,
+ if (nvkm_rd32(device, 0x10a040) & 0x00002000)
+ break;
+ ) < 0)
+ return -ETIMEDOUT;
+ }
+
+ gm200_devinit_preos(init, post);
+ return 0;
+}
+
+static const struct nvkm_devinit_func
+gm200_devinit = {
+ .preinit = gf100_devinit_preinit,
+ .init = nv50_devinit_init,
+ .post = gm200_devinit_post,
+ .pll_set = gf100_devinit_pll_set,
+ .disable = gm107_devinit_disable,
+};
+
+int
+gm200_devinit_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
+ struct nvkm_devinit **pinit)
+{
+ return nv50_devinit_new_(&gm200_devinit, device, type, inst, pinit);
+}