Commit 1c301f44 authored by Hawking Zhang's avatar Hawking Zhang Committed by Alex Deucher
Browse files

drm/amdgpu: add helper function to init sos ucode 



driver already had psp_firmware_header struture to
deal with different layout of sos ucode. the sos
micorcode initialization could be common one.

Signed-off-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent f4503f9e

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

+70 −0
Original line number Diff line number Diff line
@@ -1876,6 +1876,76 @@ out: 
	return err;

}



int psp_init_sos_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 *sos_hdr;

	const struct psp_firmware_header_v1_1 *sos_hdr_v1_1;

	const struct psp_firmware_header_v1_2 *sos_hdr_v1_2;

	int err = 0;



	if (!chip_name) {

		dev_err(adev->dev, "invalid chip name for sos microcode\n");

		return -EINVAL;

	}



	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sos.bin", chip_name);

	err = request_firmware(&adev->psp.sos_fw, fw_name, adev->dev);

	if (err)

		goto out;



	err = amdgpu_ucode_validate(adev->psp.sos_fw);

	if (err)

		goto out;



	sos_hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.sos_fw->data;

	amdgpu_ucode_print_psp_hdr(&sos_hdr->header);



	switch (sos_hdr->header.header_version_major) {

	case 1:

		adev->psp.sos_fw_version = le32_to_cpu(sos_hdr->header.ucode_version);

		adev->psp.sos_feature_version = le32_to_cpu(sos_hdr->ucode_feature_version);

		adev->psp.sos_bin_size = le32_to_cpu(sos_hdr->sos_size_bytes);

		adev->psp.sys_bin_size = le32_to_cpu(sos_hdr->sos_offset_bytes);

		adev->psp.sys_start_addr = (uint8_t *)sos_hdr +

				le32_to_cpu(sos_hdr->header.ucode_array_offset_bytes);

		adev->psp.sos_start_addr = (uint8_t *)adev->psp.sys_start_addr +

				le32_to_cpu(sos_hdr->sos_offset_bytes);

		if (sos_hdr->header.header_version_minor == 1) {

			sos_hdr_v1_1 = (const struct psp_firmware_header_v1_1 *)adev->psp.sos_fw->data;

			adev->psp.toc_bin_size = le32_to_cpu(sos_hdr_v1_1->toc_size_bytes);

			adev->psp.toc_start_addr = (uint8_t *)adev->psp.sys_start_addr +

					le32_to_cpu(sos_hdr_v1_1->toc_offset_bytes);

			adev->psp.kdb_bin_size = le32_to_cpu(sos_hdr_v1_1->kdb_size_bytes);

			adev->psp.kdb_start_addr = (uint8_t *)adev->psp.sys_start_addr +

					le32_to_cpu(sos_hdr_v1_1->kdb_offset_bytes);

		}

		if (sos_hdr->header.header_version_minor == 2) {

			sos_hdr_v1_2 = (const struct psp_firmware_header_v1_2 *)adev->psp.sos_fw->data;

			adev->psp.kdb_bin_size = le32_to_cpu(sos_hdr_v1_2->kdb_size_bytes);

			adev->psp.kdb_start_addr = (uint8_t *)adev->psp.sys_start_addr +

						    le32_to_cpu(sos_hdr_v1_2->kdb_offset_bytes);

		}

		break;

	default:

		dev_err(adev->dev,

			"unsupported psp sos firmware\n");

		err = -EINVAL;

		goto out;

	}



	return 0;

out:

	dev_err(adev->dev,

		"failed to init sos firmware\n");

	release_firmware(adev->psp.sos_fw);

	adev->psp.sos_fw = NULL;



	return err;

}



static int psp_set_clockgating_state(void *handle,

				     enum amd_clockgating_state state)

{

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

+2 −0
Original line number Diff line number Diff line
@@ -387,4 +387,6 @@ 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_sos_microcode(struct psp_context *psp,

			   const char *chip_name);

#endif

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