[PATCH 093/207] drm/amdgpu: add cp firmware backdoor loading triger

[Alex Deucher]

From: Likun Gao <likun....@amd.com>

Triger CP ucode addr and data to backdoor load CP firmware.

Signed-off-by: Likun Gao <likun....@amd.com>
Reviewed-by: Hawking Zhang <hawking.zh...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 37 ++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c 
b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index 66d7ae456768..b62c755dff21 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -98,6 +98,19 @@
 #define mmGCR_GENERAL_CNTL_Sienna_Cichlid                      0x1580
 #define mmGCR_GENERAL_CNTL_Sienna_Cichlid_BASE_IDX     0
 
+#define mmCP_HYP_PFP_UCODE_ADDR                        0x5814
+#define mmCP_HYP_PFP_UCODE_ADDR_BASE_IDX       1
+#define mmCP_HYP_PFP_UCODE_DATA                        0x5815
+#define mmCP_HYP_PFP_UCODE_DATA_BASE_IDX       1
+#define mmCP_HYP_CE_UCODE_ADDR                 0x5818
+#define mmCP_HYP_CE_UCODE_ADDR_BASE_IDX                1
+#define mmCP_HYP_CE_UCODE_DATA                 0x5819
+#define mmCP_HYP_CE_UCODE_DATA_BASE_IDX                1
+#define mmCP_HYP_ME_UCODE_ADDR                 0x5816
+#define mmCP_HYP_ME_UCODE_ADDR_BASE_IDX                1
+#define mmCP_HYP_ME_UCODE_DATA                 0x5817
+#define mmCP_HYP_ME_UCODE_DATA_BASE_IDX                1
+
 MODULE_FIRMWARE("amdgpu/navi10_ce.bin");
 MODULE_FIRMWARE("amdgpu/navi10_pfp.bin");
 MODULE_FIRMWARE("amdgpu/navi10_me.bin");
@@ -5393,6 +5406,14 @@ static int gfx_v10_0_cp_gfx_load_pfp_microcode(struct 
amdgpu_device *adev)
        WREG32_SOC15(GC, 0, mmCP_PFP_IC_BASE_HI,
                upper_32_bits(adev->gfx.pfp.pfp_fw_gpu_addr));
 
+       WREG32_SOC15(GC, 0, mmCP_HYP_PFP_UCODE_ADDR, 0);
+
+       for (i = 0; i < pfp_hdr->jt_size; i++)
+               WREG32_SOC15(GC, 0, mmCP_HYP_PFP_UCODE_DATA,
+                            le32_to_cpup(fw_data + pfp_hdr->jt_offset + i));
+
+       WREG32_SOC15(GC, 0, mmCP_HYP_PFP_UCODE_ADDR, adev->gfx.pfp_fw_version);
+
        return 0;
 }
 
@@ -5462,6 +5483,14 @@ static int gfx_v10_0_cp_gfx_load_ce_microcode(struct 
amdgpu_device *adev)
        WREG32_SOC15(GC, 0, mmCP_CE_IC_BASE_HI,
                upper_32_bits(adev->gfx.ce.ce_fw_gpu_addr));
 
+       WREG32_SOC15(GC, 0, mmCP_HYP_CE_UCODE_ADDR, 0);
+
+       for (i = 0; i < ce_hdr->jt_size; i++)
+               WREG32_SOC15(GC, 0, mmCP_HYP_CE_UCODE_DATA,
+                            le32_to_cpup(fw_data + ce_hdr->jt_offset + i));
+
+       WREG32_SOC15(GC, 0, mmCP_HYP_CE_UCODE_ADDR, adev->gfx.ce_fw_version);
+
        return 0;
 }
 
@@ -5531,6 +5560,14 @@ static int gfx_v10_0_cp_gfx_load_me_microcode(struct 
amdgpu_device *adev)
        WREG32_SOC15(GC, 0, mmCP_ME_IC_BASE_HI,
                upper_32_bits(adev->gfx.me.me_fw_gpu_addr));
 
+       WREG32_SOC15(GC, 0, mmCP_HYP_ME_UCODE_ADDR, 0);
+
+       for (i = 0; i < me_hdr->jt_size; i++)
+               WREG32_SOC15(GC, 0, mmCP_HYP_ME_UCODE_DATA,
+                            le32_to_cpup(fw_data + me_hdr->jt_offset + i));
+
+       WREG32_SOC15(GC, 0, mmCP_HYP_ME_UCODE_ADDR, adev->gfx.me_fw_version);
+
        return 0;
 }
 
-- 
2.25.4

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