gpu: nvgpu: falcon code cleanup

-Created common falcon function nvgpu_flcn_bl_bootstrap() to
 bootstrap falcon bootloader

-Created HAL gk20a_falcon_bl_bootstrap() which does actual
 bootloader bootstrap by fetching parameters and loading
 code/parameters as needed.

-Created HAL ops bl_bootstrap under nvgpu_falcon_ops.

-Created struct nvgpu_falcon_bl_info to hold info required
 for bootloader to pass to common function

-Removed falcons bootstrap code in multiple file & made
 changes to fill struct nvgpu_falcon_bl_info & call
 nvgpu_flcn_bl_bootstrap().

Change-Id: Iee275233915ff11f9afb5207ac0c3338ca9dacc1
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1756104
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 41 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/flcn_gk20a.c b/drivers/gpu/nvgpu/gk20a/flcn_gk20a.c
index 83850a19..520d9bb2 100644
--- a/drivers/gpu/nvgpu/gk20a/flcn_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/flcn_gk20a.c
@@ -432,6 +432,46 @@ static void gk20a_falcon_mailbox_write(struct nvgpu_falcon *flcn,
                 nvgpu_err(g, "incorrect mailbox id %d", mailbox_index);
 }
 
+static int gk20a_falcon_bl_bootstrap(struct nvgpu_falcon *flcn,
+        struct nvgpu_falcon_bl_info *bl_info)
+{
+        struct gk20a *g = flcn->g;
+        u32 base_addr = flcn->flcn_base;
+        u32 virt_addr = 0;
+        u32 dst = 0;
+        int err = 0;
+
+        /*copy bootloader interface structure to dmem*/
+        err = gk20a_flcn_copy_to_dmem(flcn, 0, (u8 *)bl_info->bl_desc,
+                bl_info->bl_desc_size, (u8)0);
+        if (err != 0) {
+                goto exit;
+        }
+
+        /* copy bootloader to TOP of IMEM */
+        dst = (falcon_falcon_hwcfg_imem_size_v(gk20a_readl(g,
+                base_addr + falcon_falcon_hwcfg_r())) << 8) - bl_info->bl_size;
+
+        err = gk20a_flcn_copy_to_imem(flcn, dst, (u8 *)(bl_info->bl_src),
+                bl_info->bl_size, (u8)0, false, bl_info->bl_start_tag);
+        if (err != 0) {
+                goto exit;
+        }
+
+        gk20a_falcon_mailbox_write(flcn, FALCON_MAILBOX_0, 0xDEADA5A5U);
+
+        virt_addr = bl_info->bl_start_tag << 8;
+
+        err = gk20a_falcon_bootstrap(flcn, virt_addr);
+
+exit:
+        if (err != 0) {
+                nvgpu_err(g, "falcon id-0x%x bootstrap failed", flcn->flcn_id);
+        }
+
+        return err;
+}
+
 static void gk20a_falcon_dump_imblk(struct nvgpu_falcon *flcn)
 {
         struct gk20a *g = flcn->g;
@@ -644,6 +684,7 @@ void gk20a_falcon_ops(struct nvgpu_falcon *flcn)
         flcn_ops->dump_falcon_stats = gk20a_falcon_dump_stats;
         flcn_ops->mailbox_read = gk20a_falcon_mailbox_read;
         flcn_ops->mailbox_write = gk20a_falcon_mailbox_write;
+        flcn_ops->bl_bootstrap = gk20a_falcon_bl_bootstrap;
 
         gk20a_falcon_engine_dependency_ops(flcn);
 }