/*
* 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 "priv.h"
#include <core/gpuobj.h>
#include <core/memory.h>
#include <subdev/timer.h>
void
nvkm_falcon_v1_load_imem(struct nvkm_falcon *falcon, void *data, u32 start,
u32 size, u16 tag, u8 port, bool secure)
{
u8 rem = size % 4 ;
u32 reg;
int i;
size -= rem;
reg = start | BIT(24 ) | (secure ? BIT(28 ) : 0 );
nvkm_falcon_wr32(falcon, 0 x180 + (port * 16 ), reg);
for (i = 0 ; i < size / 4 ; i++) {
/* write new tag every 256B */
if ((i & 0 x3f) == 0 )
nvkm_falcon_wr32(falcon, 0 x188 + (port * 16 ), tag++);
nvkm_falcon_wr32(falcon, 0 x184 + (port * 16 ), ((u32 *)data)[i]);
}
/*
* If size is not a multiple of 4 , mask the last work to ensure garbage
* does not get written
*/
if (rem) {
u32 extra = ((u32 *)data)[i];
/* write new tag every 256B */
if ((i & 0 x3f) == 0 )
nvkm_falcon_wr32(falcon, 0 x188 + (port * 16 ), tag++);
nvkm_falcon_wr32(falcon, 0 x184 + (port * 16 ),
extra & (BIT(rem * 8 ) - 1 ));
++i;
}
/* code must be padded to 0x40 words */
for (; i & 0 x3f; i++)
nvkm_falcon_wr32(falcon, 0 x184 + (port * 16 ), 0 );
}
void
nvkm_falcon_v1_load_dmem(struct nvkm_falcon *falcon, void *data, u32 start,
u32 size, u8 port)
{
u8 rem = size % 4 ;
int i;
size -= rem;
nvkm_falcon_wr32(falcon, 0 x1c0 + (port * 8 ), start | (0 x1 << 24 ));
for (i = 0 ; i < size / 4 ; i++)
nvkm_falcon_wr32(falcon, 0 x1c4 + (port * 8 ), ((u32 *)data)[i]);
/*
* If size is not a multiple of 4 , mask the last word to ensure garbage
* does not get written
*/
if (rem) {
u32 extra = ((u32 *)data)[i];
nvkm_falcon_wr32(falcon, 0 x1c4 + (port * 8 ),
extra & (BIT(rem * 8 ) - 1 ));
}
}
void
nvkm_falcon_v1_start(struct nvkm_falcon *falcon)
{
u32 reg = nvkm_falcon_rd32(falcon, 0 x100);
if (reg & BIT(6 ))
nvkm_falcon_wr32(falcon, 0 x130, 0 x2);
else
nvkm_falcon_wr32(falcon, 0 x100, 0 x2);
}
Messung V0.5 in Prozent C=95 H=70 G=83
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-10-05)
¤
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