gpu: nvgpu: Remove MC accesses from gk20a.c

Clean up gk20a.c by removing direct accesses to MC and moving the
accesses to happen via MC HAL.

The chip detection logic has to violate the HAL and call gk20a
version directly, because HAL ops cannot be set up before chip has
been identified.

Change-Id: I4cdd0ef3fcf7d3b561a3fca4247a8356fe8d18e1
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1321576
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/mc_gk20a.h b/drivers/gpu/nvgpu/gk20a/mc_gk20a.h
index 1aad1a0b..9c70eba1 100644
--- a/drivers/gpu/nvgpu/gk20a/mc_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/mc_gk20a.h
@@ -24,4 +24,8 @@ irqreturn_t mc_gk20a_isr_nonstall(struct gk20a *g);
 irqreturn_t mc_gk20a_intr_thread_stall(struct gk20a *g);
 void mc_gk20a_intr_thread_nonstall(struct gk20a *g, u32 intr);
 void mc_gk20a_nonstall_cb(struct work_struct *work);
+void gk20a_mc_enable(struct gk20a *g, u32 units);
+void gk20a_mc_disable(struct gk20a *g, u32 units);
+void gk20a_mc_reset(struct gk20a *g, u32 units);
+u32 gk20a_mc_boot_0(struct gk20a *g, u32 *arch, u32 *impl, u32 *rev);
 #endif