102 lines
2.9 KiB
C
102 lines
2.9 KiB
C
|
/*
|
||
|
|
* 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, 0x180 + (port * 16), reg);
|
||
|
|
for (i = 0; i < size / 4; i++) {
|
||
|
|
/* write new tag every 256B */
|
||
|
|
if ((i & 0x3f) == 0)
|
||
|
|
nvkm_falcon_wr32(falcon, 0x188 + (port * 16), tag++);
|
||
|
|
nvkm_falcon_wr32(falcon, 0x184 + (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 & 0x3f) == 0)
|
||
|
|
nvkm_falcon_wr32(falcon, 0x188 + (port * 16), tag++);
|
||
|
|
nvkm_falcon_wr32(falcon, 0x184 + (port * 16),
|
||
|
|
extra & (BIT(rem * 8) - 1));
|
||
|
|
++i;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* code must be padded to 0x40 words */
|
||
|
|
for (; i & 0x3f; i++)
|
||
|
|
nvkm_falcon_wr32(falcon, 0x184 + (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, 0x1c0 + (port * 8), start | (0x1 << 24));
|
||
|
|
for (i = 0; i < size / 4; i++)
|
||
|
|
nvkm_falcon_wr32(falcon, 0x1c4 + (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, 0x1c4 + (port * 8),
|
||
|
|
extra & (BIT(rem * 8) - 1));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
nvkm_falcon_v1_start(struct nvkm_falcon *falcon)
|
||
|
|
{
|
||
|
|
u32 reg = nvkm_falcon_rd32(falcon, 0x100);
|
||
|
|
|
||
|
|
if (reg & BIT(6))
|
||
|
|
nvkm_falcon_wr32(falcon, 0x130, 0x2);
|
||
|
|
else
|
||
|
|
nvkm_falcon_wr32(falcon, 0x100, 0x2);
|
||
|
|
}
|