Revert "gpu: nvgpu: gsp NVRISCV load and bootstrap"

This reverts commit aef4b80acb.

Change-Id: I47e02bf97e6a3aaa9acdd7f5eec41518b31ee5dc
Signed-off-by: Pekka Jylhä-Ollila <pjylhaollila@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2554105
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
This commit is contained in:
Pekka Jylhä-Ollila
2021-07-05 12:45:55 +03:00
committed by Pekka Jylha-Ollila
parent aef4b80acb
commit 8a72068508
17 changed files with 3 additions and 511 deletions

View File

@@ -1,251 +0,0 @@
/*
* 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/gk20a.h>
#include <nvgpu/falcon.h>
#include <nvgpu/dma.h>
#include <nvgpu/timers.h>
#include <nvgpu/nvgpu_mem.h>
#include <nvgpu/firmware.h>
#include <nvgpu/io.h>
#include <nvgpu/gsp.h>
#include "gsp_priv.h"
#include "gsp_bootstrap.h"
#define GSP_SIM_WAIT_TIME_MS 10000U
#define GSP_DBG_RISCV_FW_MANIFEST "sample-gsp.manifest.encrypt.bin.out.bin"
#define GSP_DBG_RISCV_FW_CODE "sample-gsp.text.encrypt.bin"
#define GSP_DBG_RISCV_FW_DATA "sample-gsp.data.encrypt.bin"
static void gsp_release_firmware(struct gk20a *g, struct nvgpu_gsp *gsp)
{
if (gsp->gsp_ucode.manifest != NULL) {
nvgpu_release_firmware(g, gsp->gsp_ucode.manifest);
}
if (gsp->gsp_ucode.code != NULL) {
nvgpu_release_firmware(g, gsp->gsp_ucode.code);
}
if (gsp->gsp_ucode.data != NULL) {
nvgpu_release_firmware(g, gsp->gsp_ucode.data);
}
}
static int gsp_read_firmware(struct gk20a *g, struct gsp_fw *gsp_ucode)
{
nvgpu_log_fn(g, " ");
gsp_ucode->manifest = nvgpu_request_firmware(g,
GSP_DBG_RISCV_FW_MANIFEST, NVGPU_REQUEST_FIRMWARE_NO_WARN);
if (gsp_ucode->manifest == NULL) {
nvgpu_err(g, "GSP_DBG_RISCV_FW_MANIFEST ucode get failed");
goto fw_release;
}
gsp_ucode->code = nvgpu_request_firmware(g,
GSP_DBG_RISCV_FW_CODE, NVGPU_REQUEST_FIRMWARE_NO_WARN);
if (gsp_ucode->code == NULL) {
nvgpu_err(g, "GSP_DBG_RISCV_FW_CODE ucode get failed");
goto fw_release;
}
gsp_ucode->data = nvgpu_request_firmware(g,
GSP_DBG_RISCV_FW_DATA, NVGPU_REQUEST_FIRMWARE_NO_WARN);
if (gsp_ucode->data == NULL) {
nvgpu_err(g, "GSP_DBG_RISCV_FW_DATA ucode get failed");
goto fw_release;
}
return 0;
fw_release:
gsp_release_firmware(g, g->gsp);
return -ENOENT;
}
static int gsp_ucode_load_and_bootstrap(struct gk20a *g,
struct nvgpu_falcon *flcn,
struct gsp_fw *gsp_ucode)
{
u32 dmem_size = 0U;
u32 code_size = gsp_ucode->code->size;
u32 data_size = gsp_ucode->data->size;
u32 manifest_size = gsp_ucode->manifest->size;
int err = 0;
nvgpu_log_fn(g, " ");
/* core reset */
err = nvgpu_falcon_reset(flcn);
if (err != 0) {
nvgpu_err(g, "gsp core reset failed err=%d", err);
goto exit;
}
g->ops.falcon.set_bcr(flcn);
err = nvgpu_falcon_get_mem_size(flcn, MEM_DMEM, &dmem_size);
if (err != 0) {
nvgpu_err(g, "gsp NVRISCV get DMEM size failed");
goto exit;
}
if ((data_size + manifest_size) > dmem_size) {
nvgpu_err(g, "gsp DMEM might overflow");
err = -ENOMEM;
goto exit;
}
err = nvgpu_falcon_copy_to_imem(flcn, 0x0, gsp_ucode->code->data,
code_size, 0, true, 0x0);
if (err != 0) {
nvgpu_err(g, "gsp NVRISCV code copy to IMEM failed");
goto exit;
}
err = nvgpu_falcon_copy_to_dmem(flcn, 0x0, gsp_ucode->data->data,
data_size, 0x0);
if (err != 0) {
nvgpu_err(g, "gsp NVRISCV data copy to DMEM failed");
goto exit;
}
err = nvgpu_falcon_copy_to_dmem(flcn, (dmem_size - manifest_size),
gsp_ucode->manifest->data, manifest_size, 0x0);
if (err != 0) {
nvgpu_err(g, "gsp NVRISCV manifest copy to DMEM failed");
goto exit;
}
/*
* Write zero value to mailbox-0 register which is updated by
* gsp ucode to denote its return status.
*/
nvgpu_falcon_mailbox_write(flcn, FALCON_MAILBOX_0, 0x0U);
g->ops.falcon.bootstrap(flcn, 0x0);
exit:
return err;
}
static int gsp_check_for_brom_completion(struct nvgpu_falcon *flcn,
signed int timeoutms)
{
u32 reg = 0;
nvgpu_log_fn(flcn->g, " ");
do {
reg = flcn->g->ops.falcon.get_brom_retcode(flcn);
if (flcn->g->ops.falcon.check_brom_passed(reg)) {
break;
}
if (timeoutms <= 0) {
nvgpu_err(flcn->g, "gsp BROM execution check timedout");
goto exit;
}
nvgpu_msleep(10);
timeoutms -= 10;
} while (true);
if ((reg & 0x3) == 0x2) {
nvgpu_err(flcn->g, "gsp BROM execution failed");
goto exit;
}
return 0;
exit:
flcn->g->ops.falcon.dump_brom_stats(flcn);
return -1;
}
static int gsp_wait_for_mailbox_update(struct nvgpu_falcon *flcn,
u32 mailbox_index, signed int timeoutms)
{
u32 mail_box_data = 0;
nvgpu_log_fn(flcn->g, " ");
do {
mail_box_data = flcn->g->ops.falcon.mailbox_read(
flcn, mailbox_index);
if (mail_box_data != 0U) {
nvgpu_info(flcn->g,
"gsp mailbox-0 updated successful with 0x%x",
mail_box_data);
break;
}
if (timeoutms <= 0) {
nvgpu_err(flcn->g, "gsp mailbox check timedout");
return -1;
}
nvgpu_msleep(10);
timeoutms -= 10;
} while (true);
return 0;
}
int gsp_bootstrap_ns(struct gk20a *g, struct nvgpu_gsp *gsp)
{
int err = 0;
struct gsp_fw *gsp_ucode = &gsp->gsp_ucode;
nvgpu_log_fn(g, " ");
err = gsp_read_firmware(g, gsp_ucode);
if (err != 0) {
nvgpu_err(g, "gsp firmware reading failed");
goto exit;
}
err = gsp_ucode_load_and_bootstrap(g, gsp->gsp_flcn, gsp_ucode);
if (err != 0) {
nvgpu_err(g, "gsp load and bootstrap failed");
goto exit;
}
err = gsp_check_for_brom_completion(gsp->gsp_flcn,
GSP_SIM_WAIT_TIME_MS);
if (err != 0) {
nvgpu_err(g, "gsp BROM failed");
goto exit;
}
/* wait for mailbox-0 update with non-zero value */
err = gsp_wait_for_mailbox_update(gsp->gsp_flcn, 0x0,
GSP_SIM_WAIT_TIME_MS);
if (err != 0) {
nvgpu_err(g, "gsp ucode failed to update mailbox-0");
}
exit:
gsp_release_firmware(g, g->gsp);
return err;
}