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: Hawking Zhang <Hawking.Zhang@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 70 +++++++++++++++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h | 2 +
2 files changed, 72 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 3656068..730f98a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -1876,6 +1876,76 @@ int psp_init_asd_microcode(struct psp_context *psp,
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)
{
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
index a763148..7fcd63d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
@@ -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
--
2.7.4
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