diff options
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/intel/common/block/cse/cse.c | 57 | ||||
| -rw-r--r-- | src/soc/intel/common/block/include/intelblocks/cse.h | 32 |
2 files changed, 89 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/cse/cse.c b/src/soc/intel/common/block/cse/cse.c index 1aa3454f6f..9a4cd45bc8 100644 --- a/src/soc/intel/common/block/cse/cse.c +++ b/src/soc/intel/common/block/cse/cse.c @@ -1213,6 +1213,63 @@ void cse_enable_ptt(bool state) } } +static enum cb_err send_get_fpt_partition_info_cmd(enum fpt_partition_id id, + struct fw_version_resp *resp) +{ + enum cse_tx_rx_status ret; + struct fw_version_msg { + struct mkhi_hdr hdr; + enum fpt_partition_id partition_id; + } __packed msg = { + .hdr = { + .group_id = MKHI_GROUP_ID_GEN, + .command = GEN_GET_IMAGE_FW_VERSION, + }, + .partition_id = id, + }; + + /* + * Prerequisites: + * 1) HFSTS1 CWS is Normal + * 2) HFSTS1 COM is Normal + * 3) Only sent after DID (accomplished by compiling this into ramstage) + */ + + if (cse_is_hfs1_com_soft_temp_disable() || !cse_is_hfs1_cws_normal() || + !cse_is_hfs1_com_normal()) { + printk(BIOS_ERR, + "HECI: Prerequisites not met for Get Image Firmware Version command\n"); + return CB_ERR; + } + + size_t resp_size = sizeof(struct fw_version_resp); + ret = heci_send_receive(&msg, sizeof(msg), resp, &resp_size, HECI_MKHI_ADDR); + + if (ret || resp->hdr.result) { + printk(BIOS_ERR, "CSE: Failed to get partition information for %d: 0x%x\n", + id, resp->hdr.result); + return CB_ERR; + } + + return CB_SUCCESS; +} + +enum cb_err cse_get_fpt_partition_info(enum fpt_partition_id id, struct fw_version_resp *resp) +{ + if (vboot_recovery_mode_enabled()) { + printk(BIOS_WARNING, + "CSE: Skip sending Get Image Info command during recovery mode!\n"); + return CB_ERR; + } + + if (id == FPT_PARTITION_NAME_ISHC && !CONFIG(DRIVERS_INTEL_ISH)) { + printk(BIOS_WARNING, "CSE: Info request denied, no ISH partition\n"); + return CB_ERR; + } + + return send_get_fpt_partition_info_cmd(id, resp); +} + #if ENV_RAMSTAGE /* diff --git a/src/soc/intel/common/block/include/intelblocks/cse.h b/src/soc/intel/common/block/include/intelblocks/cse.h index b39ae7f8fa..6b708cab1e 100644 --- a/src/soc/intel/common/block/include/intelblocks/cse.h +++ b/src/soc/intel/common/block/include/intelblocks/cse.h @@ -49,6 +49,7 @@ #define MKHI_BUP_COMMON_GET_BOOT_PARTITION_INFO 0x1c #define MKHI_BUP_COMMON_SET_BOOT_PARTITION_INFO 0x1d #define MKHI_BUP_COMMON_DATA_CLEAR 0x20 +#define GEN_GET_IMAGE_FW_VERSION 0x1c /* Get boot performance command id */ #define MKHI_BUP_COMMON_GET_BOOT_PERF_DATA 0x8 @@ -85,6 +86,12 @@ enum { PCI_ME_HFSTS6 = 0x6C, }; +/* CSE partition list */ +enum fpt_partition_id { + FPT_PARTITION_NAME_UNDEFINED = 0x0, + FPT_PARTITION_NAME_ISHC = 0x43485349, +}; + /* MKHI Message Header */ struct mkhi_hdr { uint8_t group_id; @@ -118,6 +125,25 @@ struct me_fw_ver_resp { struct me_version fitc; } __packed; +/* Module data from manifest */ +struct flash_partition_data { + enum fpt_partition_id partition_id; + uint8_t reserved1[8]; + struct fw_version version; + uint32_t vendor_id; + uint32_t tcb_svn; + uint32_t arb_svn; + uint32_t vcn; + uint32_t reserved2[13]; +}; + +/* Response header for partition information request */ +struct fw_version_resp { + struct mkhi_hdr hdr; + uint32_t module_count; + struct flash_partition_data manifest_data; +}; + /* CSE RX and TX error status */ enum cse_tx_rx_status { /* @@ -502,4 +528,10 @@ void cse_enable_ptt(bool state); */ enum cb_err cse_get_fw_feature_state(uint32_t *feature_state); +/* + * The function sends a HECI command to get the partition information of the shared ID. + * The retrieved partition is stored in the memory pointed to by the resp pointer. + * The function returns 0 on success and < 0 on failure. + */ +enum cb_err cse_get_fpt_partition_info(enum fpt_partition_id id, struct fw_version_resp *resp); #endif // SOC_INTEL_COMMON_CSE_H |