drm/amdgpu: add TOC firmware support for apu (v3)

APU needs load toc firmware for gfx10 series on psp front door loading.

v2: rebase against latest code
v3: clarify error message
Signed-off-by: NHuang Rui <ray.huang@amd.com>
Acked-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c

@@ -325,6 +325,10 @@ static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
 		fw_info->ver = adev->dm.dmcub_fw_version;
 		fw_info->feature = 0;
 		break;
+	case AMDGPU_INFO_FW_TOC:
+		fw_info->ver = adev->psp.toc_fw_version;
+		fw_info->feature = adev->psp.toc_feature_version;
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -1466,6 +1470,13 @@ static int amdgpu_debugfs_firmware_info(struct seq_file *m, void *data)
 	seq_printf(m, "DMCUB feature version: %u, firmware version: 0x%08x\n",
 		   fw_info.feature, fw_info.ver);
 
+	/* TOC */
+	query_fw.fw_type = AMDGPU_INFO_FW_TOC;
+	ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
+	if (ret)
+		return ret;
+	seq_printf(m, "TOC feature version: %u, firmware version: 0x%08x\n",
+		   fw_info.feature, fw_info.ver);
 
 	seq_printf(m, "VBIOS version: %s\n", ctx->vbios_version);
 

drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c

@@ -2415,6 +2415,42 @@ int psp_init_asd_microcode(struct psp_context *psp,
 	return err;
 }
 
+int psp_init_toc_microcode(struct psp_context *psp,
+			   const char *chip_name)
+{
+	struct amdgpu_device *adev = psp->adev;
+	char fw_name[30];
+	const struct psp_firmware_header_v1_0 *toc_hdr;
+	int err = 0;
+
+	if (!chip_name) {
+		dev_err(adev->dev, "invalid chip name for toc microcode\n");
+		return -EINVAL;
+	}
+
+	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_toc.bin", chip_name);
+	err = request_firmware(&adev->psp.toc_fw, fw_name, adev->dev);
+	if (err)
+		goto out;
+
+	err = amdgpu_ucode_validate(adev->psp.toc_fw);
+	if (err)
+		goto out;
+
+	toc_hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.toc_fw->data;
+	adev->psp.toc_fw_version = le32_to_cpu(toc_hdr->header.ucode_version);
+	adev->psp.toc_feature_version = le32_to_cpu(toc_hdr->ucode_feature_version);
+	adev->psp.toc_bin_size = le32_to_cpu(toc_hdr->header.ucode_size_bytes);
+	adev->psp.toc_start_addr = (uint8_t *)toc_hdr +
+				le32_to_cpu(toc_hdr->header.ucode_array_offset_bytes);
+	return 0;
+out:
+	dev_err(adev->dev, "fail to request/validate toc microcode\n");
+	release_firmware(adev->psp.toc_fw);
+	adev->psp.toc_fw = NULL;
+	return err;
+}
+
 int psp_init_sos_microcode(struct psp_context *psp,
 			   const char *chip_name)
 {

drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h

@@ -253,6 +253,11 @@ struct psp_context
 	uint32_t			asd_ucode_size;
 	uint8_t				*asd_start_addr;
 
+	/* toc firmware */
+	const struct firmware		*toc_fw;
+	uint32_t			toc_fw_version;
+	uint32_t			toc_feature_version;
+
 	/* fence buffer */
 	struct amdgpu_bo		*fence_buf_bo;
 	uint64_t			fence_buf_mc_addr;
@@ -386,6 +391,8 @@ int psp_ring_cmd_submit(struct psp_context *psp,
 			int index);
 int psp_init_asd_microcode(struct psp_context *psp,
 			   const char *chip_name);
+int psp_init_toc_microcode(struct psp_context *psp,
+			   const char *chip_name);
 int psp_init_sos_microcode(struct psp_context *psp,
 			   const char *chip_name);
 int psp_init_ta_microcode(struct psp_context *psp,

drivers/gpu/drm/amd/amdgpu/psp_v11_0.c

@@ -109,20 +109,16 @@ static int psp_v11_0_init_microcode(struct psp_context *psp)
 		BUG();
 	}
 
-	err = psp_init_sos_microcode(psp, chip_name);
-	if (err)
-		return err;
-
-	if (adev->asic_type != CHIP_SIENNA_CICHLID &&
-	    adev->asic_type != CHIP_NAVY_FLOUNDER) {
-		err = psp_init_asd_microcode(psp, chip_name);
-		if (err)
-			return err;
-	}
 
 	switch (adev->asic_type) {
 	case CHIP_VEGA20:
 	case CHIP_ARCTURUS:
+		err = psp_init_sos_microcode(psp, chip_name);
+		if (err)
+			return err;
+		err = psp_init_asd_microcode(psp, chip_name);
+		if (err)
+			return err;
 		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ta.bin", chip_name);
 		err = request_firmware(&adev->psp.ta_fw, fw_name, adev->dev);
 		if (err) {
@@ -150,6 +146,12 @@ static int psp_v11_0_init_microcode(struct psp_context *psp)
 	case CHIP_NAVI10:
 	case CHIP_NAVI14:
 	case CHIP_NAVI12:
+		err = psp_init_sos_microcode(psp, chip_name);
+		if (err)
+			return err;
+		err = psp_init_asd_microcode(psp, chip_name);
+		if (err)
+			return err;
 		if (amdgpu_sriov_vf(adev))
 			break;
 		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ta.bin", chip_name);
@@ -180,10 +182,21 @@ static int psp_v11_0_init_microcode(struct psp_context *psp)
 		break;
 	case CHIP_SIENNA_CICHLID:
 	case CHIP_NAVY_FLOUNDER:
+		err = psp_init_sos_microcode(psp, chip_name);
+		if (err)
+			return err;
 		err = psp_init_ta_microcode(&adev->psp, chip_name);
 		if (err)
 			return err;
 		break;
+	case CHIP_VANGOGH:
+		err = psp_init_asd_microcode(psp, chip_name);
+		if (err)
+			return err;
+		err = psp_init_toc_microcode(psp, chip_name);
+		if (err)
+			return err;
+		break;
 	default:
 		BUG();
 	}