/*
* Copyright 2019 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 .
*/
#include "priv.h"
#include <core/firmware.h>
#include <core/memory.h>
#include <subdev/mmu.h>
#include <subdev/pmu.h>
#include <nvfw/acr.h>
#include <nvfw/flcn.h>
int
gm20b_acr_wpr_alloc(struct nvkm_acr *acr, u32 wpr_size)
{
struct nvkm_subdev *subdev = &acr->subdev;
acr->func->wpr_check(acr, &acr->wpr_start, &acr->wpr_end);
if ((acr->wpr_end - acr->wpr_start) < wpr_size) {
nvkm_error(subdev, "WPR image too big for WPR!\n" );
return -ENOSPC;
}
return nvkm_memory_new(subdev->device, NVKM_MEM_TARGET_INST,
wpr_size, 0 , true , &acr->wpr);
}
static int
gm20b_acr_hsfw_load_bld(struct nvkm_falcon_fw *fw)
{
struct flcn_bl_dmem_desc hsdesc = {
.ctx_dma = FALCON_DMAIDX_VIRT,
.code_dma_base = fw->vma->addr >> 8 ,
.non_sec_code_off = fw->nmem_base,
.non_sec_code_size = fw->nmem_size,
.sec_code_off = fw->imem_base,
.sec_code_size = fw->imem_size,
.code_entry_point = 0 ,
.data_dma_base = (fw->vma->addr + fw->dmem_base_img) >> 8 ,
.data_size = fw->dmem_size,
};
flcn_bl_dmem_desc_dump(fw->falcon->user, &hsdesc);
return nvkm_falcon_pio_wr(fw->falcon, (u8 *)&hsdesc, 0 , 0 , DMEM, 0 , sizeof (hsdesc), 0 , 0 );
}
static int
gm20b_acr_load_setup(struct nvkm_falcon_fw *fw)
{
struct flcn_acr_desc *desc = (void *)&fw->fw.img[fw->dmem_base_img];
struct nvkm_acr *acr = fw->falcon->owner->device->acr;
desc->ucode_blob_base = nvkm_memory_addr(acr->wpr);
desc->ucode_blob_size = nvkm_memory_size(acr->wpr);
flcn_acr_desc_dump(&acr->subdev, desc);
return 0 ;
}
const struct nvkm_falcon_fw_func
gm20b_acr_load_0 = {
.signature = gm200_flcn_fw_signature,
.reset = gm200_flcn_fw_reset,
.setup = gm20b_acr_load_setup,
.load = gm200_flcn_fw_load,
.load_bld = gm20b_acr_hsfw_load_bld,
.boot = gm200_flcn_fw_boot,
};
#if IS_ENABLED(CONFIG_ARCH_TEGRA_210_SOC)
MODULE_FIRMWARE("nvidia/gm20b/acr/bl.bin" );
MODULE_FIRMWARE("nvidia/gm20b/acr/ucode_load.bin" );
#endif
static const struct nvkm_acr_hsf_fwif
gm20b_acr_load_fwif[] = {
{ 0 , gm200_acr_hsfw_ctor, &gm20b_acr_load_0, NVKM_ACR_HSF_PMU, 0 , 0 x10 },
{}
};
static const struct nvkm_acr_func
gm20b_acr = {
.load = gm20b_acr_load_fwif,
.wpr_parse = gm200_acr_wpr_parse,
.wpr_layout = gm200_acr_wpr_layout,
.wpr_alloc = gm20b_acr_wpr_alloc,
.wpr_build = gm200_acr_wpr_build,
.wpr_patch = gm200_acr_wpr_patch,
.wpr_check = gm200_acr_wpr_check,
.init = gm200_acr_init,
};
int
gm20b_acr_load(struct nvkm_acr *acr, int ver, const struct nvkm_acr_fwif *fwif)
{
struct nvkm_subdev *subdev = &acr->subdev;
const struct nvkm_acr_hsf_fwif *hsfwif;
hsfwif = nvkm_firmware_load(subdev, fwif->func->load, "AcrLoad" ,
acr, "acr/bl" , "acr/ucode_load" , "load" );
if (IS_ERR(hsfwif))
return PTR_ERR(hsfwif);
return 0 ;
}
static const struct nvkm_acr_fwif
gm20b_acr_fwif[] = {
{ 0 , gm20b_acr_load, &gm20b_acr },
{ -1 , gm200_acr_nofw, &gm200_acr },
{}
};
int
gm20b_acr_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
struct nvkm_acr **pacr)
{
return nvkm_acr_new_(gm20b_acr_fwif, device, type, inst, pacr);
}
Messung V0.5 in Prozent C=100 H=100 G=100
¤ Dauer der Verarbeitung: 0.8 Sekunden
(vorverarbeitet am 2026-10-06)
¤
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