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gpu: nvgpu: Ensure memory subsystem is enabled

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Ensure that memory subsystem is enabled at init.

Bug 1603128

Change-Id: Ie3fcd4d9df4dbd480e44fa8919fc311e61b627ca
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/707027
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
This commit is contained in:
Terje Bergstrom
2015-02-11 13:10:25 -08:00
committed by Dan Willemsen
parent 3877adcd65
commit b82c86a865
3 changed files with 40 additions and 0 deletions
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8
drivers/gpu/nvgpu/gk20a/fb_gk20a.c
View File

@@ -22,12 +22,20 @@
static void fb_gk20a_reset(struct gk20a *g)
{
u32 val;
gk20a_dbg_info("reset gk20a fb");
gk20a_reset(g, mc_enable_pfb_enabled_f()
| mc_enable_l2_enabled_f()
| mc_enable_xbar_enabled_f()
| mc_enable_hub_enabled_f());
val = gk20a_readl(g, mc_elpg_enable_r());
val |= mc_elpg_enable_xbar_enabled_f()
| mc_elpg_enable_pfb_enabled_f()
| mc_elpg_enable_hub_enabled_f();
gk20a_writel(g, mc_elpg_enable_r(), val);
}
static void gk20a_fb_set_mmu_page_size(struct gk20a *g)

16
drivers/gpu/nvgpu/gk20a/hw_mc_gk20a.h
View File

@@ -266,4 +266,20 @@ static inline u32 mc_enable_pb_sel_f(u32 v, u32 i)
{
return (v & 0x1) << (0 + i*1);
}
static inline u32 mc_elpg_enable_r(void)
{
return 0x0000020c;
}
static inline u32 mc_elpg_enable_xbar_enabled_f(void)
{
return 0x4;
}
static inline u32 mc_elpg_enable_pfb_enabled_f(void)
{
return 0x100000;
}
static inline u32 mc_elpg_enable_hub_enabled_f(void)
{
return 0x20000000;
}
#endif

16
drivers/gpu/nvgpu/gm20b/hw_mc_gm20b.h
View File

@@ -262,4 +262,20 @@ static inline u32 mc_enable_pb_sel_f(u32 v, u32 i)
{
return (v & 0x1) << (0 + i*1);
}
static inline u32 mc_elpg_enable_r(void)
{
return 0x0000020c;
}
static inline u32 mc_elpg_enable_xbar_enabled_f(void)
{
return 0x4;
}
static inline u32 mc_elpg_enable_pfb_enabled_f(void)
{
return 0x100000;
}
static inline u32 mc_elpg_enable_hub_enabled_f(void)
{
return 0x20000000;
}
#endif