Files
linux-nvgpu/drivers/gpu/nvgpu/common/gsp/gsp_init.c
Ramesh Mylavarapu d328bff79e gpu: nvgpu: gsp NVRISCV load and bootstrap
Changes:
- This change will only init gsp software
  state, nvgpu_gsp_bootstrap need to be called.
- CONFIG_NVGPU_GSP_SCHEDULER flag is created to
  compile out the gsp scheduler code when needed.
- Created GSP engine reset which is needed when
  ACR completed execution and need to load gsp fw.

NVGPU-6783

Signed-off-by: Ramesh Mylavarapu <rmylavarapu@nvidia.com>
Change-Id: I2ce43e512b01df59443559eab621ed39868ad158
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2554267
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
2021-07-15 17:21:03 -07:00

86 lines
2.2 KiB
C

/*
* Copyright (c) 2021, 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 <nvgpu/firmware.h>
#include <nvgpu/falcon.h>
#include <nvgpu/gk20a.h>
#include <nvgpu/log.h>
#include <nvgpu/gsp.h>
#include "gsp_priv.h"
#include "gsp_bootstrap.h"
void nvgpu_gsp_sw_deinit(struct gk20a *g)
{
if (g->gsp != NULL) {
nvgpu_kfree(g, g->gsp);
g->gsp = NULL;
}
}
int nvgpu_gsp_sw_init(struct gk20a *g)
{
int err = 0;
nvgpu_log_fn(g, " ");
if (g->gsp != NULL) {
/*
* Recovery/unrailgate case, we do not need to do gsp init as
* gsp is set during cold boot & doesn't execute gsp clean up as
* part of power off sequence, so reuse to perform faster boot.
*/
return err;
}
/* Init struct holding the gsp software state */
g->gsp = (struct nvgpu_gsp *)nvgpu_kzalloc(g, sizeof(struct nvgpu_gsp));
if (g->gsp == NULL) {
err = -ENOMEM;
goto exit;
}
/* gsp falcon software state */
g->gsp->gsp_flcn = &g->gsp_flcn;
exit:
return err;
}
int nvgpu_gsp_bootstrap(struct gk20a *g)
{
int err = 0;
nvgpu_log_fn(g, " ");
err = gsp_bootstrap_ns(g, g->gsp);
if (err != 0) {
nvgpu_err(g, "GSP bootstrap failed");
goto de_init;
}
return err;
de_init:
nvgpu_gsp_sw_deinit(g);
return err;
}