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ubuntu-linux-kernel/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm200.c

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/*
* Copyright (c) 2016, NVIDIA CORPORATION. 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 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 AUTHORS OR COPYRIGHT HOLDERS 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 "acr.h"
#include "gm200.h"
#include <core/gpuobj.h>
#include <subdev/fb.h>
#include <engine/falcon.h>
#include <subdev/mc.h>
/**
* gm200_secboot_run_blob() - run the given high-secure blob
*
*/
int
gm200_secboot_run_blob(struct nvkm_secboot *sb, struct nvkm_gpuobj *blob,
struct nvkm_falcon *falcon)
{
struct gm200_secboot *gsb = gm200_secboot(sb);
struct nvkm_subdev *subdev = &gsb->base.subdev;
struct nvkm_vma *vma = NULL;
u32 start_address;
int ret;
ret = nvkm_falcon_get(falcon, subdev);
if (ret)
return ret;
/* Map the HS firmware so the HS bootloader can see it */
ret = nvkm_vmm_get(gsb->vmm, 12, blob->size, &vma);
if (ret) {
nvkm_falcon_put(falcon, subdev);
return ret;
}
ret = nvkm_memory_map(blob, 0, gsb->vmm, vma, NULL, 0);
if (ret)
goto end;
/* Reset and set the falcon up */
ret = nvkm_falcon_reset(falcon);
if (ret)
goto end;
nvkm_falcon_bind_context(falcon, gsb->inst);
/* Load the HS bootloader into the falcon's IMEM/DMEM */
ret = sb->acr->func->load(sb->acr, falcon, blob, vma->addr);
if (ret < 0)
goto end;
start_address = ret;
/* Disable interrupts as we will poll for the HALT bit */
nvkm_mc_intr_mask(sb->subdev.device, falcon->owner->index, false);
/* Set default error value in mailbox register */
nvkm_falcon_wr32(falcon, 0x040, 0xdeada5a5);
/* Start the HS bootloader */
nvkm_falcon_set_start_addr(falcon, start_address);
nvkm_falcon_start(falcon);
ret = nvkm_falcon_wait_for_halt(falcon, 100);
if (ret)
goto end;
/*
* The mailbox register contains the (positive) error code - return this
* to the caller
*/
ret = nvkm_falcon_rd32(falcon, 0x040);
end:
/* Reenable interrupts */
nvkm_mc_intr_mask(sb->subdev.device, falcon->owner->index, true);
/* We don't need the ACR firmware anymore */
nvkm_vmm_put(gsb->vmm, &vma);
nvkm_falcon_put(falcon, subdev);
return ret;
}
int
gm200_secboot_oneinit(struct nvkm_secboot *sb)
{
struct gm200_secboot *gsb = gm200_secboot(sb);
struct nvkm_device *device = sb->subdev.device;
int ret;
/* Allocate instance block and VM */
ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x1000, 0, true,
&gsb->inst);
if (ret)
return ret;
ret = nvkm_vmm_new(device, 0, 600 * 1024, NULL, 0, NULL, "acr",
&gsb->vmm);
if (ret)
return ret;
atomic_inc(&gsb->vmm->engref[NVKM_SUBDEV_PMU]);
gsb->vmm->debug = gsb->base.subdev.debug;
ret = nvkm_vmm_join(gsb->vmm, gsb->inst);
if (ret)
return ret;
if (sb->acr->func->oneinit) {
ret = sb->acr->func->oneinit(sb->acr, sb);
if (ret)
return ret;
}
return 0;
}
int
gm200_secboot_fini(struct nvkm_secboot *sb, bool suspend)
{
int ret = 0;
if (sb->acr->func->fini)
ret = sb->acr->func->fini(sb->acr, sb, suspend);
return ret;
}
void *
gm200_secboot_dtor(struct nvkm_secboot *sb)
{
struct gm200_secboot *gsb = gm200_secboot(sb);
sb->acr->func->dtor(sb->acr);
nvkm_vmm_part(gsb->vmm, gsb->inst);
nvkm_vmm_unref(&gsb->vmm);
nvkm_memory_unref(&gsb->inst);
return gsb;
}
static const struct nvkm_secboot_func
gm200_secboot = {
.dtor = gm200_secboot_dtor,
.oneinit = gm200_secboot_oneinit,
.fini = gm200_secboot_fini,
.run_blob = gm200_secboot_run_blob,
};
int
gm200_secboot_new(struct nvkm_device *device, int index,
struct nvkm_secboot **psb)
{
int ret;
struct gm200_secboot *gsb;
struct nvkm_acr *acr;
acr = acr_r361_new(BIT(NVKM_SECBOOT_FALCON_FECS) |
BIT(NVKM_SECBOOT_FALCON_GPCCS));
if (IS_ERR(acr))
return PTR_ERR(acr);
gsb = kzalloc(sizeof(*gsb), GFP_KERNEL);
if (!gsb) {
psb = NULL;
return -ENOMEM;
}
*psb = &gsb->base;
ret = nvkm_secboot_ctor(&gm200_secboot, acr, device, index, &gsb->base);
if (ret)
return ret;
return 0;
}
MODULE_FIRMWARE("nvidia/gm200/acr/bl.bin");
MODULE_FIRMWARE("nvidia/gm200/acr/ucode_load.bin");
MODULE_FIRMWARE("nvidia/gm200/acr/ucode_unload.bin");
MODULE_FIRMWARE("nvidia/gm200/gr/fecs_bl.bin");
MODULE_FIRMWARE("nvidia/gm200/gr/fecs_inst.bin");
MODULE_FIRMWARE("nvidia/gm200/gr/fecs_data.bin");
MODULE_FIRMWARE("nvidia/gm200/gr/fecs_sig.bin");
MODULE_FIRMWARE("nvidia/gm200/gr/gpccs_bl.bin");
MODULE_FIRMWARE("nvidia/gm200/gr/gpccs_inst.bin");
MODULE_FIRMWARE("nvidia/gm200/gr/gpccs_data.bin");
MODULE_FIRMWARE("nvidia/gm200/gr/gpccs_sig.bin");
MODULE_FIRMWARE("nvidia/gm200/gr/sw_ctx.bin");
MODULE_FIRMWARE("nvidia/gm200/gr/sw_nonctx.bin");
MODULE_FIRMWARE("nvidia/gm200/gr/sw_bundle_init.bin");
MODULE_FIRMWARE("nvidia/gm200/gr/sw_method_init.bin");
MODULE_FIRMWARE("nvidia/gm204/acr/bl.bin");
MODULE_FIRMWARE("nvidia/gm204/acr/ucode_load.bin");
MODULE_FIRMWARE("nvidia/gm204/acr/ucode_unload.bin");
MODULE_FIRMWARE("nvidia/gm204/gr/fecs_bl.bin");
MODULE_FIRMWARE("nvidia/gm204/gr/fecs_inst.bin");
MODULE_FIRMWARE("nvidia/gm204/gr/fecs_data.bin");
MODULE_FIRMWARE("nvidia/gm204/gr/fecs_sig.bin");
MODULE_FIRMWARE("nvidia/gm204/gr/gpccs_bl.bin");
MODULE_FIRMWARE("nvidia/gm204/gr/gpccs_inst.bin");
MODULE_FIRMWARE("nvidia/gm204/gr/gpccs_data.bin");
MODULE_FIRMWARE("nvidia/gm204/gr/gpccs_sig.bin");
MODULE_FIRMWARE("nvidia/gm204/gr/sw_ctx.bin");
MODULE_FIRMWARE("nvidia/gm204/gr/sw_nonctx.bin");
MODULE_FIRMWARE("nvidia/gm204/gr/sw_bundle_init.bin");
MODULE_FIRMWARE("nvidia/gm204/gr/sw_method_init.bin");
MODULE_FIRMWARE("nvidia/gm206/acr/bl.bin");
MODULE_FIRMWARE("nvidia/gm206/acr/ucode_load.bin");
MODULE_FIRMWARE("nvidia/gm206/acr/ucode_unload.bin");
MODULE_FIRMWARE("nvidia/gm206/gr/fecs_bl.bin");
MODULE_FIRMWARE("nvidia/gm206/gr/fecs_inst.bin");
MODULE_FIRMWARE("nvidia/gm206/gr/fecs_data.bin");
MODULE_FIRMWARE("nvidia/gm206/gr/fecs_sig.bin");
MODULE_FIRMWARE("nvidia/gm206/gr/gpccs_bl.bin");
MODULE_FIRMWARE("nvidia/gm206/gr/gpccs_inst.bin");
MODULE_FIRMWARE("nvidia/gm206/gr/gpccs_data.bin");
MODULE_FIRMWARE("nvidia/gm206/gr/gpccs_sig.bin");
MODULE_FIRMWARE("nvidia/gm206/gr/sw_ctx.bin");
MODULE_FIRMWARE("nvidia/gm206/gr/sw_nonctx.bin");
MODULE_FIRMWARE("nvidia/gm206/gr/sw_bundle_init.bin");
MODULE_FIRMWARE("nvidia/gm206/gr/sw_method_init.bin");
MODULE_FIRMWARE("nvidia/gp100/acr/bl.bin");
MODULE_FIRMWARE("nvidia/gp100/acr/ucode_load.bin");
MODULE_FIRMWARE("nvidia/gp100/acr/ucode_unload.bin");
MODULE_FIRMWARE("nvidia/gp100/gr/fecs_bl.bin");
MODULE_FIRMWARE("nvidia/gp100/gr/fecs_inst.bin");
MODULE_FIRMWARE("nvidia/gp100/gr/fecs_data.bin");
MODULE_FIRMWARE("nvidia/gp100/gr/fecs_sig.bin");
MODULE_FIRMWARE("nvidia/gp100/gr/gpccs_bl.bin");
MODULE_FIRMWARE("nvidia/gp100/gr/gpccs_inst.bin");
MODULE_FIRMWARE("nvidia/gp100/gr/gpccs_data.bin");
MODULE_FIRMWARE("nvidia/gp100/gr/gpccs_sig.bin");
MODULE_FIRMWARE("nvidia/gp100/gr/sw_ctx.bin");
MODULE_FIRMWARE("nvidia/gp100/gr/sw_nonctx.bin");
MODULE_FIRMWARE("nvidia/gp100/gr/sw_bundle_init.bin");
MODULE_FIRMWARE("nvidia/gp100/gr/sw_method_init.bin");
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