Files
linux-nvgpu/drivers/gpu/nvgpu/common/bus/bus_gk20a.c
Terje Bergstrom 5c8f1619ce gpu: nvgpu: Use gm20b version of BAR1 bind
All chips should use the waiting version of BAR1 bind since gm20b.
Change gp10b and gp106 to do that. BAR1 is not used in Volta.

JIRa NVGPU-588

Change-Id: Ib6957ebea4effa7c64f4d71522447fa6245728ed
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1730895
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2018-06-14 06:44:07 -07:00

92 lines
2.8 KiB
C

/*
* Copyright (c) 2017-2018, 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
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* 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
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*/
#include <nvgpu/log.h>
#include <nvgpu/soc.h>
#include <nvgpu/mm.h>
#include "gk20a/gk20a.h"
#include "bus_gk20a.h"
#include <nvgpu/hw/gk20a/hw_bus_gk20a.h>
void gk20a_bus_init_hw(struct gk20a *g)
{
u32 intr_en_mask = 0;
if (nvgpu_platform_is_silicon(g) || nvgpu_platform_is_fpga(g)) {
intr_en_mask = bus_intr_en_0_pri_squash_m() |
bus_intr_en_0_pri_fecserr_m() |
bus_intr_en_0_pri_timeout_m();
}
gk20a_writel(g, bus_intr_en_0_r(), intr_en_mask);
}
void gk20a_bus_isr(struct gk20a *g)
{
u32 val;
val = gk20a_readl(g, bus_intr_0_r());
if (val & (bus_intr_0_pri_squash_m() |
bus_intr_0_pri_fecserr_m() |
bus_intr_0_pri_timeout_m())) {
g->ops.ptimer.isr(g);
} else {
nvgpu_err(g, "Unhandled NV_PBUS_INTR_0: 0x%08x", val);
}
gk20a_writel(g, bus_intr_0_r(), val);
}
u32 gk20a_bus_set_bar0_window(struct gk20a *g, struct nvgpu_mem *mem,
struct nvgpu_sgt *sgt, struct nvgpu_sgl *sgl, u32 w)
{
u64 bufbase = nvgpu_sgt_get_phys(g, sgt, sgl);
u64 addr = bufbase + w * sizeof(u32);
u32 hi = (u32)((addr & ~(u64)0xfffff)
>> bus_bar0_window_target_bar0_window_base_shift_v());
u32 lo = (u32)(addr & 0xfffff);
u32 win = nvgpu_aperture_mask(g, mem,
bus_bar0_window_target_sys_mem_noncoherent_f(),
bus_bar0_window_target_sys_mem_coherent_f(),
bus_bar0_window_target_vid_mem_f()) |
bus_bar0_window_base_f(hi);
nvgpu_log(g, gpu_dbg_mem,
"0x%08x:%08x begin for %p,%p at [%llx,%llx] (sz %llx)",
hi, lo, mem, sgl, bufbase,
bufbase + nvgpu_sgt_get_phys(g, sgt, sgl),
nvgpu_sgt_get_length(sgt, sgl));
WARN_ON(!bufbase);
if (g->mm.pramin_window != win) {
gk20a_writel(g, bus_bar0_window_r(), win);
gk20a_readl(g, bus_bar0_window_r());
g->mm.pramin_window = win;
}
return lo;
}