From 1cee7b2a390a8b2486b25d2383e4e11667dcff08 Mon Sep 17 00:00:00 2001 From: Mahantesh Kumbar Date: Tue, 27 Jun 2017 21:53:51 +0530 Subject: 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 (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 Tested-by: Terje Bergstrom --- drivers/gpu/nvgpu/common/falcon/falcon.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'drivers/gpu/nvgpu/common/falcon/falcon.c') 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; -- cgit v1.2.2