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-rw-r--r--src/soc/amd/common/block/include/amdblocks/psp.h7
-rw-r--r--src/soc/amd/common/block/psp/psp.c63
-rw-r--r--src/soc/amd/stoneyridge/chip.c2
-rw-r--r--src/soc/amd/stoneyridge/romstage.c2
4 files changed, 39 insertions, 35 deletions
diff --git a/src/soc/amd/common/block/include/amdblocks/psp.h b/src/soc/amd/common/block/include/amdblocks/psp.h
index b730293bb5..494f1744f0 100644
--- a/src/soc/amd/common/block/include/amdblocks/psp.h
+++ b/src/soc/amd/common/block/include/amdblocks/psp.h
@@ -115,6 +115,11 @@ int psp_notify_dram(void);
* MBOX_BIOS_CMD_SMU_FW2 to load SMU FW2 blob.
* name: cbfs file name
*/
-int psp_load_named_blob(int type, const char *name);
+enum psp_blob_type {
+ BLOB_SMU_FW,
+ BLOB_SMU_FW2,
+};
+
+int psp_load_named_blob(enum psp_blob_type type, const char *name);
#endif /* __AMD_PSP_H__ */
diff --git a/src/soc/amd/common/block/psp/psp.c b/src/soc/amd/common/block/psp/psp.c
index 0294422c3d..9c053c2c39 100644
--- a/src/soc/amd/common/block/psp/psp.c
+++ b/src/soc/amd/common/block/psp/psp.c
@@ -288,53 +288,52 @@ static void psp_notify_boot_done(void *unused)
/*
* Tell the PSP to load a firmware blob from a location in the BIOS image.
*/
-static int psp_load_blob(int type, void *addr)
+int psp_load_named_blob(enum psp_blob_type type, const char *name)
{
int cmd_status;
+ u32 command;
+ void *blob;
+ struct cbfsf cbfs_file;
+ struct region_device rdev;
- if (!CONFIG(SOC_AMD_PSP_SELECTABLE_SMU_FW)) {
- printk(BIOS_ERR, "BUG: Selectable firmware is not supported\n");
- return PSPSTS_UNSUPPORTED;
- }
-
- /* only two types currently supported */
- if (type != MBOX_BIOS_CMD_SMU_FW && type != MBOX_BIOS_CMD_SMU_FW2) {
+ switch (type) {
+ case BLOB_SMU_FW:
+ command = MBOX_BIOS_CMD_SMU_FW;
+ break;
+ case BLOB_SMU_FW2:
+ command = MBOX_BIOS_CMD_SMU_FW2;
+ break;
+ default:
printk(BIOS_ERR, "BUG: Invalid PSP blob type %x\n", type);
- return PSPSTS_INVALID_BLOB;
+ return -PSPSTS_INVALID_BLOB;
}
- printk(BIOS_DEBUG, "PSP: Load blob type %x from @%p... ", type, addr);
-
- /* Blob commands use the buffer registers as data, not pointer to buf */
- cmd_status = send_psp_command(type, addr);
-
- print_cmd_status(cmd_status, NULL);
-
- return cmd_status;
-}
-
-int psp_load_named_blob(int type, const char *name)
-{
- void *blob;
- struct cbfsf cbfs_file;
- struct region_device rdev;
- int r;
+ /* type can only be BLOB_SMU_FW or BLOB_SMU_FW2 here, so don't re-check for this */
+ if (!CONFIG(SOC_AMD_PSP_SELECTABLE_SMU_FW)) {
+ printk(BIOS_ERR, "BUG: Selectable firmware is not supported\n");
+ return -PSPSTS_UNSUPPORTED;
+ }
if (cbfs_boot_locate(&cbfs_file, name, NULL)) {
printk(BIOS_ERR, "BUG: Cannot locate blob for PSP loading\n");
- return PSPSTS_INVALID_NAME;
+ return -PSPSTS_INVALID_NAME;
}
cbfs_file_data(&rdev, &cbfs_file);
blob = rdev_mmap_full(&rdev);
- if (blob) {
- r = psp_load_blob(type, blob);
- rdev_munmap(&rdev, blob);
- } else {
+ if (!blob) {
printk(BIOS_ERR, "BUG: Cannot map blob for PSP loading\n");
- return PSPSTS_INVALID_NAME;
+ return -PSPSTS_INVALID_NAME;
}
- return r;
+
+ printk(BIOS_DEBUG, "PSP: Load blob type %x from @%p... ", type, blob);
+
+ /* Blob commands use the buffer registers as data, not pointer to buf */
+ cmd_status = send_psp_command(command, blob);
+ print_cmd_status(cmd_status, NULL);
+
+ rdev_munmap(&rdev, blob);
+ return cmd_status;
}
BOOT_STATE_INIT_ENTRY(BS_PAYLOAD_BOOT, BS_ON_ENTRY,
diff --git a/src/soc/amd/stoneyridge/chip.c b/src/soc/amd/stoneyridge/chip.c
index aa3c322813..f08c12f32f 100644
--- a/src/soc/amd/stoneyridge/chip.c
+++ b/src/soc/amd/stoneyridge/chip.c
@@ -160,7 +160,7 @@ static void earliest_ramstage(void *unused)
if (!s3_resume) {
post_code(0x46);
if (CONFIG(SOC_AMD_PSP_SELECTABLE_SMU_FW))
- psp_load_named_blob(MBOX_BIOS_CMD_SMU_FW2, "smu_fw2");
+ psp_load_named_blob(BLOB_SMU_FW2, "smu_fw2");
post_code(0x47);
do_agesawrapper(AMD_INIT_ENV, "amdinitenv");
diff --git a/src/soc/amd/stoneyridge/romstage.c b/src/soc/amd/stoneyridge/romstage.c
index 0a209b0260..efe75b72e3 100644
--- a/src/soc/amd/stoneyridge/romstage.c
+++ b/src/soc/amd/stoneyridge/romstage.c
@@ -61,7 +61,7 @@ static void load_smu_fw1(void)
cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
pci_write_config32(SOC_PSP_DEV, PCI_COMMAND, cmd);
- psp_load_named_blob(MBOX_BIOS_CMD_SMU_FW, "smu_fw");
+ psp_load_named_blob(BLOB_SMU_FW, "smu_fw");
}
static void agesa_call(void)