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drm/nouveau/gr/gf100: add support for securely-managed falcons

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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>
This commit is contained in:
Alexandre Courbot 2016-02-24 14:42:21 +09:00 committed by Ben Skeggs
parent 7d12388a1f
commit c9469aae5e
1 changed files with 24 additions and 4 deletions
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28
drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
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@ -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;