/*
* Copyright (c) 2018, 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/falcon.h>
#include <nvgpu/io.h>
#include <nvgpu/timers.h>
#include "gk20a/gk20a.h"
#include "gv100/gsp_gv100.h"
#include <nvgpu/hw/gv100/hw_pgsp_gv100.h>
int gv100_gsp_reset(struct gk20a *g)
{
gk20a_writel(g, pgsp_falcon_engine_r(),
pgsp_falcon_engine_reset_true_f());
nvgpu_udelay(10);
gk20a_writel(g, pgsp_falcon_engine_r(),
pgsp_falcon_engine_reset_false_f());
return 0;
}
static int gsp_flcn_bl_bootstrap(struct gk20a *g,
struct nvgpu_falcon_bl_info *bl_info)
{
struct mm_gk20a *mm = &g->mm;
u32 data = 0;
u32 status = 0;
gk20a_writel(g, pgsp_falcon_itfen_r(),
gk20a_readl(g, pgsp_falcon_itfen_r()) |
pgsp_falcon_itfen_ctxen_enable_f());
gk20a_writel(g, pgsp_falcon_nxtctx_r(),
pgsp_falcon_nxtctx_ctxptr_f(
nvgpu_inst_block_addr(g, &mm->pmu.inst_block) >> 12U) |
pgsp_falcon_nxtctx_ctxvalid_f(1) |
nvgpu_aperture_mask(g, &mm->pmu.inst_block,
pgsp_falcon_nxtctx_ctxtgt_sys_ncoh_f(),
pgsp_falcon_nxtctx_ctxtgt_sys_coh_f(),
pgsp_falcon_nxtctx_ctxtgt_fb_f()));
data = gk20a_readl(g, pgsp_falcon_debug1_r());
data |= pgsp_falcon_debug1_ctxsw_mode_m();
gk20a_writel(g, pgsp_falcon_debug1_r(), data);
data = gk20a_readl(g, pgsp_falcon_engctl_r());
data |= pgsp_falcon_engctl_switch_context_true_f();
gk20a_writel(g, pgsp_falcon_engctl_r(), data);
status = nvgpu_flcn_bl_bootstrap(&g->gsp_flcn, bl_info);
return status;
}
int gv100_gsp_setup_hw_and_bl_bootstrap(struct gk20a *g,
struct hs_acr *acr_desc,
struct nvgpu_falcon_bl_info *bl_info)
{
u32 data = 0;
int err = 0;
err = nvgpu_flcn_reset(&g->gsp_flcn);
if (err != 0) {
goto exit;
}
data = gk20a_readl(g, pgsp_fbif_ctl_r());
data |= pgsp_fbif_ctl_allow_phys_no_ctx_allow_f();
gk20a_writel(g, pgsp_fbif_ctl_r(), data);
/* setup apertures - virtual */
gk20a_writel(g, pgsp_fbif_transcfg_r(GK20A_PMU_DMAIDX_UCODE),
pgsp_fbif_transcfg_mem_type_physical_f() |
pgsp_fbif_transcfg_target_local_fb_f());
gk20a_writel(g, pgsp_fbif_transcfg_r(GK20A_PMU_DMAIDX_VIRT),
pgsp_fbif_transcfg_mem_type_virtual_f());
/* setup apertures - physical */
gk20a_writel(g, pgsp_fbif_transcfg_r(GK20A_PMU_DMAIDX_PHYS_VID),
pgsp_fbif_transcfg_mem_type_physical_f() |
pgsp_fbif_transcfg_target_local_fb_f());
gk20a_writel(g, pgsp_fbif_transcfg_r(GK20A_PMU_DMAIDX_PHYS_SYS_COH),
pgsp_fbif_transcfg_mem_type_physical_f() |
pgsp_fbif_transcfg_target_coherent_sysmem_f());
gk20a_writel(g, pgsp_fbif_transcfg_r(GK20A_PMU_DMAIDX_PHYS_SYS_NCOH),
pgsp_fbif_transcfg_mem_type_physical_f() |
pgsp_fbif_transcfg_target_noncoherent_sysmem_f());
err = gsp_flcn_bl_bootstrap(g, bl_info);
exit:
return err;
}