Files
linux-nvgpu/drivers/gpu/nvgpu/common/nvlink/minion.c
Sagar Kamble 3f08cf8a48 gpu: nvgpu: rename feature Make and C flags
Name the Make and C flag variables consistently wih syntax:
CONFIG_NVGPU_<feature name>

s/NVGPU_DEBUGGER/CONFIG_NVGPU_DEBUGGER
s/NVGPU_CYCLESTATS/CONFIG_NVGPU_CYCLESTATS
s/NVGPU_USERD/CONFIG_NVGPU_USERD
s/NVGPU_CHANNEL_WDT/CONFIG_NVGPU_CHANNEL_WDT
s/NVGPU_FEATURE_CE/CONFIG_NVGPU_CE
s/NVGPU_GRAPHICS/CONFIG_NVGPU_GRAPHICS
s/NVGPU_ENGINE/CONFIG_NVGPU_FIFO_ENGINE_ACTIVITY
s/NVGPU_FEATURE_CHANNEL_TSG_SCHED/CONFIG_NVGPU_CHANNEL_TSG_SCHED
s/NVGPU_FEATURE_CHANNEL_TSG_CONTROL/CONFIG_NVGPU_CHANNEL_TSG_CONTROL
s/NVGPU_FEATURE_ENGINE_QUEUE/CONFIG_NVGPU_ENGINE_QUEUE
s/GK20A_CTXSW_TRACE/CONFIG_NVGPU_FECS_TRACE
s/IGPU_VIRT_SUPPORT/CONFIG_NVGPU_IGPU_VIRT
s/CONFIG_TEGRA_NVLINK/CONFIG_NVGPU_NVLINK
s/NVGPU_DGPU_SUPPORT/CONFIG_NVGPU_DGPU
s/NVGPU_VPR/CONFIG_NVGPU_VPR
s/NVGPU_REPLAYABLE_FAULT/CONFIG_NVGPU_REPLAYABLE_FAULT
s/NVGPU_FEATURE_LS_PMU/CONFIG_NVGPU_LS_PMU
s/NVGPU_FEATURE_POWER_PG/CONFIG_NVGPU_POWER_PG

JIRA NVGPU-3624

Change-Id: I8b2492b085095fc6ee95926d8f8c3929702a1773
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2130290
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2019-06-11 09:46:24 -07:00

132 lines
3.3 KiB
C

/*
* Copyright (c) 2019, 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/firmware.h>
#include <nvgpu/timers.h>
#include <nvgpu/nvlink_minion.h>
#ifdef CONFIG_NVGPU_NVLINK
/* Extract a WORD from the MINION ucode */
u32 nvgpu_nvlink_minion_extract_word(struct nvgpu_firmware *fw, u32 idx)
{
u32 out_data = 0U;
u8 byte = 0U;
u32 i = 0U;
for (i = 0U; i < 4U; i++) {
byte = fw->data[idx + i];
out_data |= ((u32)byte) << (8U * i);
}
return out_data;
}
/*
* Load minion FW and set up bootstrap
*/
int nvgpu_nvlink_minion_load(struct gk20a *g)
{
int err = 0;
struct nvgpu_firmware *nvgpu_minion_fw = NULL;
struct nvgpu_timeout timeout;
u32 delay = POLL_DELAY_MIN_US;
bool boot_cmplte;
nvgpu_log_fn(g, " ");
if (g->ops.nvlink.minion.is_running(g)) {
return 0;
}
/* get mem unlock ucode binary */
nvgpu_minion_fw = nvgpu_request_firmware(g, "minion.bin", 0);
if (nvgpu_minion_fw == NULL) {
nvgpu_err(g, "minion ucode get fail");
err = -ENOENT;
goto exit;
}
/* Minion reset */
err = nvgpu_falcon_reset(&g->minion_flcn);
if (err != 0) {
nvgpu_err(g, "Minion reset failed");
goto exit;
}
/* Clear interrupts */
g->ops.nvlink.minion.clear_intr(g);
err = nvgpu_nvlink_minion_load_ucode(g, nvgpu_minion_fw);
if (err != 0) {
goto exit;
}
/* set BOOTVEC to start of non-secure code */
err = nvgpu_falcon_bootstrap(&g->minion_flcn, 0x0);
if (err != 0) {
nvgpu_err(g, "Minion bootstrap failed");
goto exit;
}
err = nvgpu_timeout_init(g, &timeout, nvgpu_get_poll_timeout(g),
NVGPU_TIMER_CPU_TIMER);
if (err != 0) {
nvgpu_err(g, "Minion boot timeout init failed");
goto exit;
}
do {
err = g->ops.nvlink.minion.is_boot_complete(g, &boot_cmplte);
if (err != 0) {
goto exit;
}
if (boot_cmplte) {
nvgpu_log(g, gpu_dbg_nvlink,"MINION boot successful");
break;
}
nvgpu_usleep_range(delay, delay * 2U);
delay = min_t(unsigned int,
delay << 1, POLL_DELAY_MAX_US);
} while (nvgpu_timeout_expired_msg(&timeout,
"minion boot timeout") == 0);
/* Service interrupts */
g->ops.nvlink.minion.falcon_isr(g);
if (nvgpu_timeout_peek_expired(&timeout) != 0) {
err = -ETIMEDOUT;
goto exit;
}
g->ops.nvlink.minion.init_intr(g);
return err;
exit:
nvgpu_nvlink_free_minion_used_mem(g, nvgpu_minion_fw);
return err;
}
#endif