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gpu: nvgpu: gp10b: setup mm hw init

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Add support for gp10b specific mm hw init.

Bug 1587825

Change-Id: Iaccf1bf73468cfdd1842a001ab5e682ac06f1950
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/681787
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Seshendra Gadagottu
2015-02-05 17:38:49 -08:00
committed by Deepak Nibade
parent 1f9b2f2852
commit c965d7a54a
1 changed files with 34 additions and 0 deletions
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34
drivers/gpu/nvgpu/gp10b/mm_gp10b.c
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@@ -25,6 +25,39 @@ u32 gp10b_mm_get_physical_addr_bits(struct gk20a *g)
return 36;
}
static int gp10b_init_mm_setup_hw(struct gk20a *g)
{
struct mm_gk20a *mm = &g->mm;
struct inst_desc *inst_block = &mm->bar1.inst_block;
phys_addr_t inst_pa = inst_block->cpu_pa;
int err = 0;
gk20a_dbg_fn("");
g->ops.fb.set_mmu_page_size(g);
inst_pa = (u32)(inst_pa >> bar1_instance_block_shift_gk20a());
gk20a_dbg_info("bar1 inst block ptr: 0x%08x", (u32)inst_pa);
gk20a_writel(g, bus_bar1_block_r(),
bus_bar1_block_target_vid_mem_f() |
bus_bar1_block_mode_virtual_f() |
bus_bar1_block_ptr_f(inst_pa));
if (g->ops.mm.init_bar2_mm_hw_setup) {
err = g->ops.mm.init_bar2_mm_hw_setup(g);
if (err)
return err;
}
if (gk20a_mm_fb_flush(g) || gk20a_mm_fb_flush(g))
return -EBUSY;
gk20a_dbg_fn("done");
return err;
}
static int gb10b_init_bar2_vm(struct gk20a *g)
{
int err;
@@ -79,6 +112,7 @@ void gp10b_init_mm(struct gpu_ops *gops)
{
gm20b_init_mm(gops);
gops->mm.get_physical_addr_bits = gk20a_mm_get_physical_addr_bits;
gops->mm.init_mm_setup_hw = gp10b_init_mm_setup_hw;
gops->mm.init_bar2_vm = gb10b_init_bar2_vm;
gops->mm.init_bar2_mm_hw_setup = gb10b_init_bar2_mm_hw_setup;
}