gpu: nvgpu: falcon interface/HAL update

- Add methods to read/write falcon mailbox
at interface layer
- Created falcon mailbox read/write HAL
- Added HAL methods to read/write mailbox
- Added macro to get next block based on address
- Added macro to get IMEM tag using IMEM address
- Added ucode header format

Change-Id: I879b1df4538d403cac40fd4ed6e723190f62922c
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
(cherry picked from commit 30e8b76a7be9d9e6d8225bdc08e441f408692f63)
Reviewed-on: https://git-master.nvidia.com/r/1509469
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 26 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/common/falcon/falcon.c b/drivers/gpu/nvgpu/common/falcon/falcon.c
index 99b2c249..d8420ece 100644
--- a/drivers/gpu/nvgpu/common/falcon/falcon.c
+++ b/drivers/gpu/nvgpu/common/falcon/falcon.c
@@ -286,6 +286,32 @@ int nvgpu_flcn_bootstrap(struct nvgpu_falcon *flcn, u32 boot_vector)
         return status;
 }
 
+u32 nvgpu_flcn_mailbox_read(struct nvgpu_falcon *flcn, u32 mailbox_index)
+{
+        struct nvgpu_falcon_ops *flcn_ops = &flcn->flcn_ops;
+        u32 data = 0;
+
+        if (flcn_ops->mailbox_read)
+                data = flcn_ops->mailbox_read(flcn, mailbox_index);
+        else
+                nvgpu_warn(flcn->g, "Invalid op on falcon 0x%x ",
+                        flcn->flcn_id);
+
+        return data;
+}
+
+void nvgpu_flcn_mailbox_write(struct nvgpu_falcon *flcn, u32 mailbox_index,
+                u32 data)
+{
+        struct nvgpu_falcon_ops *flcn_ops = &flcn->flcn_ops;
+
+        if (flcn_ops->mailbox_write)
+                flcn_ops->mailbox_write(flcn, mailbox_index, data);
+        else
+                nvgpu_warn(flcn->g, "Invalid op on falcon 0x%x ",
+                        flcn->flcn_id);
+}
+
 void nvgpu_flcn_dump_stats(struct nvgpu_falcon *flcn)
 {
         struct nvgpu_falcon_ops *flcn_ops = &flcn->flcn_ops;