diff options
| author | Alexandre Courbot <acourbot@nvidia.com> | 2016-02-24 14:42:21 +0900 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2016-03-14 10:13:22 +1000 |
| commit | c9469aae5ee94ff095e1b33b3dfd6b0fbd25e30d (patch) | |
| tree | 791ffb64995f45a5ebef0079ef9f9e6bc271d2fc /drivers/gpu/drm/nouveau | |
| parent | 7d12388a1f4243c2f13e0f84b251b1a4a92f79a3 (diff) | |
| download | linux-c9469aae5ee94ff095e1b33b3dfd6b0fbd25e30d.tar.bz2 | |
drm/nouveau/gr/gf100: add support for securely-managed falcons
Start securely-managed falcons using secboot functions since the process
for them is different from just writing CPUCTL.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c index 3fc5f7d962be..c56a886229f1 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c @@ -28,6 +28,7 @@ #include <core/client.h> #include <core/option.h> #include <core/firmware.h> +#include <subdev/secboot.h> #include <subdev/fb.h> #include <subdev/mc.h> #include <subdev/pmu.h> @@ -1428,21 +1429,40 @@ gf100_gr_init_ctxctl(struct gf100_gr *gr) const struct gf100_grctx_func *grctx = gr->func->grctx; struct nvkm_subdev *subdev = &gr->base.engine.subdev; struct nvkm_device *device = subdev->device; + struct nvkm_secboot *sb = device->secboot; int i; if (gr->firmware) { /* load fuc microcode */ nvkm_mc_unk260(device->mc, 0); - gf100_gr_init_fw(gr, 0x409000, &gr->fuc409c, &gr->fuc409d); - gf100_gr_init_fw(gr, 0x41a000, &gr->fuc41ac, &gr->fuc41ad); + + /* securely-managed falcons must be reset using secure boot */ + if (nvkm_secboot_is_managed(sb, NVKM_SECBOOT_FALCON_FECS)) + nvkm_secboot_reset(sb, NVKM_SECBOOT_FALCON_FECS); + else + gf100_gr_init_fw(gr, 0x409000, &gr->fuc409c, + &gr->fuc409d); + if (nvkm_secboot_is_managed(sb, NVKM_SECBOOT_FALCON_GPCCS)) + nvkm_secboot_reset(sb, NVKM_SECBOOT_FALCON_GPCCS); + else + gf100_gr_init_fw(gr, 0x41a000, &gr->fuc41ac, + &gr->fuc41ad); + nvkm_mc_unk260(device->mc, 1); /* start both of them running */ nvkm_wr32(device, 0x409840, 0xffffffff); nvkm_wr32(device, 0x41a10c, 0x00000000); nvkm_wr32(device, 0x40910c, 0x00000000); - nvkm_wr32(device, 0x41a100, 0x00000002); - nvkm_wr32(device, 0x409100, 0x00000002); + + if (nvkm_secboot_is_managed(sb, NVKM_SECBOOT_FALCON_GPCCS)) + nvkm_secboot_start(sb, NVKM_SECBOOT_FALCON_GPCCS); + else + nvkm_wr32(device, 0x41a100, 0x00000002); + if (nvkm_secboot_is_managed(sb, NVKM_SECBOOT_FALCON_FECS)) + nvkm_secboot_start(sb, NVKM_SECBOOT_FALCON_FECS); + else + nvkm_wr32(device, 0x409100, 0x00000002); if (nvkm_msec(device, 2000, if (nvkm_rd32(device, 0x409800) & 0x00000001) break; |