From 863b47064445b3dd5cdc354821c8d3d14deade33 Mon Sep 17 00:00:00 2001 From: Mahantesh Kumbar Date: Mon, 10 Sep 2018 21:11:49 +0530 Subject: gpu: nvgpu: PMU init sequence change -Moved PMU RTOS init & start RTOS from acr_gm20b.c file pmu.c method nvgpu_init_pmu_support() -Modified nvgpu_init_pmu_support() to init required interface for PMU RTOS & does start PMU RTOS in secure & non-secure based on NVGPU_SEC_PRIVSECURITY flag. -Created secured_pmu_start ops under PMU ops to start PMU falcon in low secure mode. -Updated PMU ops update_lspmu_cmdline_args, setup_apertures & secured_pmu_start assignment for gp106 & gv100 to support modified PMU init sequence. -Removed duplicate PMU non-secure bootstrap code from multiple files & defined gm20b_ns_pmu_setup_hw_and_bootstrap()method to handle non secure PMU bootstrap, reused this method for need chips. JIRA NVGPU-1146 Change-Id: I3957da2936b3c4ea0c985e67802c847c38de7c89 Signed-off-by: Mahantesh Kumbar Reviewed-on: https://git-master.nvidia.com/r/1818099 Reviewed-by: Vijayakumar Subbu Reviewed-by: mobile promotions Tested-by: mobile promotions --- drivers/gpu/nvgpu/gm20b/pmu_gm20b.c | 72 +++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) (limited to 'drivers/gpu/nvgpu/gm20b/pmu_gm20b.c') diff --git a/drivers/gpu/nvgpu/gm20b/pmu_gm20b.c b/drivers/gpu/nvgpu/gm20b/pmu_gm20b.c index 6e764ac5..df0ae58d 100644 --- a/drivers/gpu/nvgpu/gm20b/pmu_gm20b.c +++ b/drivers/gpu/nvgpu/gm20b/pmu_gm20b.c @@ -278,6 +278,72 @@ bool gm20b_pmu_is_debug_mode_en(struct gk20a *g) return pwr_pmu_scpctl_stat_debug_mode_v(ctl_stat) != 0U; } +int gm20b_ns_pmu_setup_hw_and_bootstrap(struct gk20a *g) +{ + struct nvgpu_pmu *pmu = &g->pmu; + + nvgpu_log_fn(g, " "); + + 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_virtual_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_local_fb_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()); + + return g->ops.pmu.pmu_nsbootstrap(pmu); +} + +void gm20b_pmu_setup_apertures(struct gk20a *g) +{ + /* 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_local_fb_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_local_fb_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()); +} + +void gm20b_update_lspmu_cmdline_args(struct gk20a *g) +{ + struct nvgpu_pmu *pmu = &g->pmu; + /*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); +} static int gm20b_bl_bootstrap(struct gk20a *g, struct nvgpu_falcon_bl_info *bl_info) @@ -337,3 +403,9 @@ int gm20b_pmu_setup_hw_and_bl_bootstrap(struct gk20a *g, exit: return err; } + +void gm20b_secured_pmu_start(struct gk20a *g) +{ + gk20a_writel(g, pwr_falcon_cpuctl_alias_r(), + pwr_falcon_cpuctl_startcpu_f(1)); +} -- cgit v1.2.2