/*
* Copyright (c) 2017, 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.
*/
#ifdef CONFIG_DEBUG_FS
#include <linux/debugfs.h>
#endif
#include <nvgpu/types.h>
#include <linux/platform/tegra/mc.h>
#include <nvgpu/dma.h>
#include <nvgpu/gmmu.h>
#include <nvgpu/timers.h>
#include <nvgpu/nvgpu_common.h>
#include <nvgpu/kmem.h>
#include <nvgpu/nvgpu_mem.h>
#include <nvgpu/acr/nvgpu_acr.h>
#include <nvgpu/firmware.h>
#include <nvgpu/mm.h>
#include "gk20a/gk20a.h"
#include "acr_gv11b.h"
#include "pmu_gv11b.h"
#include "gk20a/pmu_gk20a.h"
#include "gm20b/mm_gm20b.h"
#include "gm20b/acr_gm20b.h"
#include "gp106/acr_gp106.h"
#include <nvgpu/hw/gv11b/hw_pwr_gv11b.h>
/*Defines*/
#define gv11b_dbg_pmu(fmt, arg...) \
gk20a_dbg(gpu_dbg_pmu, fmt, ##arg)
static void flcn64_set_dma(struct falc_u64 *dma_addr, u64 value)
{
dma_addr->lo |= u64_lo32(value);
dma_addr->hi |= u64_hi32(value);
}
/*Externs*/
/*Forwards*/
/*Loads ACR bin to FB mem and bootstraps PMU with bootloader code
* start and end are addresses of ucode blob in non-WPR region*/
int gv11b_bootstrap_hs_flcn(struct gk20a *g)
{
struct mm_gk20a *mm = &g->mm;
struct vm_gk20a *vm = mm->pmu.vm;
int err = 0;
u64 *acr_dmem;
u32 img_size_in_bytes = 0;
u32 status, size, index;
u64 start;
struct acr_desc *acr = &g->acr;
struct nvgpu_firmware *acr_fw = acr->acr_fw;
struct flcn_bl_dmem_desc_v1 *bl_dmem_desc = &acr->bl_dmem_desc_v1;
u32 *acr_ucode_header_t210_load;
u32 *acr_ucode_data_t210_load;
start = nvgpu_mem_get_addr(g, &acr->ucode_blob);
size = acr->ucode_blob.size;
gv11b_dbg_pmu("acr ucode blob start %llx\n", start);
gv11b_dbg_pmu("acr ucode blob size %x\n", size);
gv11b_dbg_pmu("");
if (!acr_fw) {
/*First time init case*/
acr_fw = nvgpu_request_firmware(g,
GM20B_HSBIN_PMU_UCODE_IMAGE, 0);
if (!acr_fw) {
nvgpu_err(g, "pmu ucode get fail");
return -ENOENT;
}
acr->acr_fw = acr_fw;
acr->hsbin_hdr = (struct bin_hdr *)acr_fw->data;
acr->fw_hdr = (struct acr_fw_header *)(acr_fw->data +
acr->hsbin_hdr->header_offset);
acr_ucode_data_t210_load = (u32 *)(acr_fw->data +
acr->hsbin_hdr->data_offset);
acr_ucode_header_t210_load = (u32 *)(acr_fw->data +
acr->fw_hdr->hdr_offset);
img_size_in_bytes = ALIGN((acr->hsbin_hdr->data_size), 256);
gv11b_dbg_pmu("sig dbg offset %u\n",
acr->fw_hdr->sig_dbg_offset);
gv11b_dbg_pmu("sig dbg size %u\n", acr->fw_hdr->sig_dbg_size);
gv11b_dbg_pmu("sig prod offset %u\n",
acr->fw_hdr->sig_prod_offset);
gv11b_dbg_pmu("sig prod size %u\n",
acr->fw_hdr->sig_prod_size);
gv11b_dbg_pmu("patch loc %u\n", acr->fw_hdr->patch_loc);
gv11b_dbg_pmu("patch sig %u\n", acr->fw_hdr->patch_sig);
gv11b_dbg_pmu("header offset %u\n", acr->fw_hdr->hdr_offset);
gv11b_dbg_pmu("header size %u\n", acr->fw_hdr->hdr_size);
/* Lets patch the signatures first.. */
if (acr_ucode_patch_sig(g, acr_ucode_data_t210_load,
(u32 *)(acr_fw->data +
acr->fw_hdr->sig_prod_offset),
(u32 *)(acr_fw->data +
acr->fw_hdr->sig_dbg_offset),
(u32 *)(acr_fw->data +
acr->fw_hdr->patch_loc),
(u32 *)(acr_fw->data +
acr->fw_hdr->patch_sig)) < 0) {
nvgpu_err(g, "patch signatures fail");
err = -1;
goto err_release_acr_fw;
}
err = nvgpu_dma_alloc_map_sys(vm, img_size_in_bytes,
&acr->acr_ucode);
if (err) {
err = -ENOMEM;
goto err_release_acr_fw;
}
for (index = 0; index < 9; index++)
gv11b_dbg_pmu("acr_ucode_header_t210_load %u\n",
acr_ucode_header_t210_load[index]);
acr_dmem = (u64 *)
&(((u8 *)acr_ucode_data_t210_load)[
acr_ucode_header_t210_load[2]]);
acr->acr_dmem_desc_v1 = (struct flcn_acr_desc_v1 *)((u8 *)(
acr->acr_ucode.cpu_va) + acr_ucode_header_t210_load[2]);
((struct flcn_acr_desc_v1 *)acr_dmem)->nonwpr_ucode_blob_start =
(start);
((struct flcn_acr_desc_v1 *)acr_dmem)->nonwpr_ucode_blob_size =
size;
((struct flcn_acr_desc_v1 *)acr_dmem)->regions.no_regions = 2;
((struct flcn_acr_desc_v1 *)acr_dmem)->wpr_offset = 0;
nvgpu_mem_wr_n(g, &acr->acr_ucode, 0,
acr_ucode_data_t210_load, img_size_in_bytes);
/*
* In order to execute this binary, we will be using
* a bootloader which will load this image into PMU IMEM/DMEM.
* Fill up the bootloader descriptor for PMU HAL to use..
* TODO: Use standard descriptor which the generic bootloader is
* checked in.
*/
bl_dmem_desc->signature[0] = 0;
bl_dmem_desc->signature[1] = 0;
bl_dmem_desc->signature[2] = 0;
bl_dmem_desc->signature[3] = 0;
bl_dmem_desc->ctx_dma = GK20A_PMU_DMAIDX_VIRT;
flcn64_set_dma(&bl_dmem_desc->code_dma_base,
acr->acr_ucode.gpu_va);
bl_dmem_desc->non_sec_code_off = acr_ucode_header_t210_load[0];
bl_dmem_desc->non_sec_code_size = acr_ucode_header_t210_load[1];
bl_dmem_desc->sec_code_off = acr_ucode_header_t210_load[5];
bl_dmem_desc->sec_code_size = acr_ucode_header_t210_load[6];
bl_dmem_desc->code_entry_point = 0; /* Start at 0th offset */
flcn64_set_dma(&bl_dmem_desc->data_dma_base,
acr->acr_ucode.gpu_va +
acr_ucode_header_t210_load[2]);
bl_dmem_desc->data_size = acr_ucode_header_t210_load[3];
} else
acr->acr_dmem_desc_v1->nonwpr_ucode_blob_size = 0;
status = pmu_exec_gen_bl(g, bl_dmem_desc, 1);
if (status != 0) {
err = status;
goto err_free_ucode_map;
}
return 0;
err_free_ucode_map:
nvgpu_dma_unmap_free(vm, &acr->acr_ucode);
err_release_acr_fw:
nvgpu_release_firmware(g, acr_fw);
acr->acr_fw = NULL;
return err;
}
static int bl_bootstrap(struct nvgpu_pmu *pmu,
struct flcn_bl_dmem_desc_v1 *pbl_desc, u32 bl_sz)
{
struct gk20a *g = gk20a_from_pmu(pmu);
struct acr_desc *acr = &g->acr;
struct mm_gk20a *mm = &g->mm;
u32 virt_addr = 0;
struct hsflcn_bl_desc *pmu_bl_gm10x_desc = g->acr.pmu_hsbl_desc;
u32 dst;
gk20a_dbg_fn("");
gk20a_writel(g, pwr_falcon_itfen_r(),
gk20a_readl(g, pwr_falcon_itfen_r()) |
pwr_falcon_itfen_ctxen_enable_f());
gk20a_writel(g, pwr_pmu_new_instblk_r(),
pwr_pmu_new_instblk_ptr_f(
nvgpu_inst_block_addr(g, &mm->pmu.inst_block) >> 12) |
pwr_pmu_new_instblk_valid_f(1) |
pwr_pmu_new_instblk_target_sys_ncoh_f());
/*copy bootloader interface structure to dmem*/
nvgpu_flcn_copy_to_dmem(pmu->flcn, 0, (u8 *)pbl_desc,
sizeof(struct flcn_bl_dmem_desc_v1), 0);
/* copy bootloader to TOP of IMEM */
dst = (pwr_falcon_hwcfg_imem_size_v(
gk20a_readl(g, pwr_falcon_hwcfg_r())) << 8) - bl_sz;
nvgpu_flcn_copy_to_imem(pmu->flcn, dst,
(u8 *)(acr->hsbl_ucode.cpu_va), bl_sz, 0, 0,
pmu_bl_gm10x_desc->bl_start_tag);
gv11b_dbg_pmu("Before starting falcon with BL\n");
virt_addr = pmu_bl_gm10x_desc->bl_start_tag << 8;
nvgpu_flcn_bootstrap(pmu->flcn, virt_addr);
return 0;
}
int gv11b_init_pmu_setup_hw1(struct gk20a *g,
void *desc, u32 bl_sz)
{
struct nvgpu_pmu *pmu = &g->pmu;
int err;
gk20a_dbg_fn("");
nvgpu_mutex_acquire(&pmu->isr_mutex);
nvgpu_flcn_reset(pmu->flcn);
pmu->isr_enabled = true;
nvgpu_mutex_release(&pmu->isr_mutex);
/* setup apertures - virtual */
gk20a_writel(g, pwr_fbif_transcfg_r(GK20A_PMU_DMAIDX_UCODE),
pwr_fbif_transcfg_mem_type_physical_f() |
pwr_fbif_transcfg_target_noncoherent_sysmem_f());
gk20a_writel(g, pwr_fbif_transcfg_r(GK20A_PMU_DMAIDX_VIRT),
pwr_fbif_transcfg_mem_type_virtual_f());
/* setup apertures - physical */
gk20a_writel(g, pwr_fbif_transcfg_r(GK20A_PMU_DMAIDX_PHYS_VID),
pwr_fbif_transcfg_mem_type_physical_f() |
pwr_fbif_transcfg_target_noncoherent_sysmem_f());
gk20a_writel(g, pwr_fbif_transcfg_r(GK20A_PMU_DMAIDX_PHYS_SYS_COH),
pwr_fbif_transcfg_mem_type_physical_f() |
pwr_fbif_transcfg_target_coherent_sysmem_f());
gk20a_writel(g, pwr_fbif_transcfg_r(GK20A_PMU_DMAIDX_PHYS_SYS_NCOH),
pwr_fbif_transcfg_mem_type_physical_f() |
pwr_fbif_transcfg_target_noncoherent_sysmem_f());
/*Copying pmu cmdline args*/
g->ops.pmu_ver.set_pmu_cmdline_args_cpu_freq(pmu,
g->ops.clk.get_rate(g, CTRL_CLK_DOMAIN_PWRCLK));
g->ops.pmu_ver.set_pmu_cmdline_args_secure_mode(pmu, 1);
g->ops.pmu_ver.set_pmu_cmdline_args_trace_size(
pmu, GK20A_PMU_TRACE_BUFSIZE);
g->ops.pmu_ver.set_pmu_cmdline_args_trace_dma_base(pmu);
g->ops.pmu_ver.set_pmu_cmdline_args_trace_dma_idx(
pmu, GK20A_PMU_DMAIDX_VIRT);
nvgpu_flcn_copy_to_dmem(pmu->flcn, g->acr.pmu_args,
(u8 *)(g->ops.pmu_ver.get_pmu_cmdline_args_ptr(pmu)),
g->ops.pmu_ver.get_pmu_cmdline_args_size(pmu), 0);
/*disable irqs for hs falcon booting as we will poll for halt*/
nvgpu_mutex_acquire(&pmu->isr_mutex);
pmu_enable_irq(pmu, false);
pmu->isr_enabled = false;
nvgpu_mutex_release(&pmu->isr_mutex);
/*Clearing mailbox register used to reflect capabilities*/
gk20a_writel(g, pwr_falcon_mailbox1_r(), 0);
err = bl_bootstrap(pmu, desc, bl_sz);
if (err)
return err;
return 0;
}
