diff options
| -rw-r--r-- | src/soc/amd/common/block/psp/psp_def.h | 1 | ||||
| -rw-r--r-- | src/soc/amd/common/block/psp/psp_gen2.c | 24 |
2 files changed, 16 insertions, 9 deletions
diff --git a/src/soc/amd/common/block/psp/psp_def.h b/src/soc/amd/common/block/psp/psp_def.h index 1d87878c03..a1eceab278 100644 --- a/src/soc/amd/common/block/psp/psp_def.h +++ b/src/soc/amd/common/block/psp/psp_def.h @@ -108,5 +108,6 @@ void psp_print_cmd_status(int cmd_status, struct mbox_buffer_header *header); int send_psp_command(u32 command, void *buffer); uint32_t soc_read_c2p38(void); +void psp_set_spl_fuse(void *unused); #endif /* __AMD_PSP_DEF_H__ */ diff --git a/src/soc/amd/common/block/psp/psp_gen2.c b/src/soc/amd/common/block/psp/psp_gen2.c index 65043e5245..92063d6cdb 100644 --- a/src/soc/amd/common/block/psp/psp_gen2.c +++ b/src/soc/amd/common/block/psp/psp_gen2.c @@ -114,25 +114,31 @@ uint32_t soc_read_c2p38(void) return smn_read32(SMN_PSP_PUBLIC_BASE + CORE_2_PSP_MSG_38_OFFSET); } -static void psp_set_spl_fuse(void *unused) +void psp_set_spl_fuse(void *unused) { - if (!CONFIG(SOC_AMD_COMMON_BLOCK_PSP_FUSE_SPL)) - return; - int cmd_status = 0; struct mbox_cmd_late_spl_buffer buffer = { .header = { .size = sizeof(buffer) } }; + uint32_t c2p38 = soc_read_c2p38(); - if (soc_read_c2p38() & CORE_2_PSP_MSG_38_FUSE_SPL) { - printk(BIOS_DEBUG, "PSP: Fuse SPL requested\n"); - cmd_status = send_psp_command(MBOX_BIOS_CMD_SET_SPL_FUSE, &buffer); - psp_print_cmd_status(cmd_status, NULL); + if (c2p38 & CORE_2_PSP_MSG_38_FUSE_SPL) { + printk(BIOS_DEBUG, "PSP: SPL Fusing may be updated.\n"); } else { - printk(BIOS_DEBUG, "PSP: Fuse SPL not requested\n"); + printk(BIOS_DEBUG, "PSP: SPL Fusing not currently required.\n"); + return; } + + if (!CONFIG(SOC_AMD_COMMON_BLOCK_PSP_FUSE_SPL)) + return; + + printk(BIOS_DEBUG, "PSP: SPL Fusing Update Requested.\n"); + cmd_status = send_psp_command(MBOX_BIOS_CMD_SET_SPL_FUSE, &buffer); + psp_print_cmd_status(cmd_status, NULL); } +#if CONFIG(HAVE_SPL_FILE) BOOT_STATE_INIT_ENTRY(BS_PAYLOAD_LOAD, BS_ON_ENTRY, psp_set_spl_fuse, NULL); +#endif |