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soc/intel/meteorlake: Update CSE firmware status registers 

The patch updates HFSTS4, HFSTS5 & HFSTS6 register definitions as per
MTL Intel CSME BIOS Specification (doc# 729124). Also, the patch logs
the firmware status details as per the new register definition.

TEST=Build and boot the coreboot on Rex

Snippet from coreboot log with the patch:
	[DEBUG]  ME: CPU Debug Disabled          : NO
	[DEBUG]  ME: TXT Support                 : NO

Signed-off-by: Sridhar Siricilla <sridhar.siricilla@intel.com>
Change-Id: Ibee9a0955efc22ea0d9fdbba2d09e57d8851e22e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69577
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Rizwan Qureshi <rizwan.qureshi@intel.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Jamie Ryu <jamie.m.ryu@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Sridhar Siricilla 2022-11-14 19:36:19 +05:30 committed by Eric Lai
parent c89de227eb
commit 026f86ba3b
1 changed files with 17 additions and 31 deletions
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48
src/soc/intel/meteorlake/me.c
View File

@ -34,15 +34,9 @@ union me_hfsts2 {
union me_hfsts4 {
uint32_t data;
struct {
uint32_t rsvd0 : 9;
uint32_t enforcement_flow : 1;
uint32_t sx_resume_type : 1;
uint32_t rsvd1 : 1;
uint32_t tpms_disconnected : 1;
uint32_t rvsd2 : 1;
uint32_t fwsts_valid : 1;
uint32_t boot_guard_self_test : 1;
uint32_t rsvd3 : 16;
uint32_t rsvd0 : 1;
uint32_t flash_log_exist : 1;
uint32_t rsvd1 : 30;
} __packed fields;
};
@ -57,9 +51,14 @@ union me_hfsts5 {
uint32_t acm_done_sts : 1;
uint32_t timeout_count : 7;
uint32_t scrtm_indicator : 1;
uint32_t inc_boot_guard_acm : 4;
uint32_t inc_key_manifest : 4;
uint32_t inc_boot_policy : 4;
uint32_t txt_support : 1;
uint32_t btg_profile : 3;
uint32_t cpu_debug_disabled : 1;
uint32_t bsp_init_disabled : 1;
/* BSP Boot Policy Manifest Execution Status */
uint32_t bsp_bpm_exe_sts : 1;
uint32_t btg_token_applied : 1;
uint32_t btg_status : 4;
uint32_t rsvd0 : 2;
uint32_t start_enforcement : 1;
} __packed fields;
@ -69,24 +68,11 @@ union me_hfsts5 {
union me_hfsts6 {
uint32_t data;
struct {
uint32_t force_boot_guard_acm : 1;
uint32_t cpu_debug_disable : 1;
uint32_t bsp_init_disable : 1;
uint32_t protect_bios_env : 1;
uint32_t rsvd0 : 2;
uint32_t error_enforce_policy : 2;
uint32_t measured_boot : 1;
uint32_t verified_boot : 1;
uint32_t boot_guard_acmsvn : 4;
uint32_t kmsvn : 4;
uint32_t bpmsvn : 4;
uint32_t key_manifest_id : 4;
uint32_t boot_policy_status : 1;
uint32_t error : 1;
uint32_t boot_guard_disable : 1;
uint32_t fpf_disable : 1;
uint32_t rsvd0 : 21;
uint32_t manuf_lock : 1;
uint32_t rsvd2 : 8;
uint32_t fpf_soc_lock : 1;
uint32_t txt_support : 1;
uint32_t sx_resume_type : 1;
} __packed fields;
};
@ -158,9 +144,9 @@ static void dump_me_status(void *unused)
printk(BIOS_DEBUG, "ME: Enhanced Debug Mode : %s\n",
hfsts1.fields.invoke_enhance_dbg_mode ? "YES" : "NO");
printk(BIOS_DEBUG, "ME: CPU Debug Disabled : %s\n",
hfsts6.fields.cpu_debug_disable ? "YES" : "NO");
hfsts5.fields.cpu_debug_disabled ? "YES" : "NO");
printk(BIOS_DEBUG, "ME: TXT Support : %s\n",
hfsts6.fields.txt_support ? "YES" : "NO");
hfsts5.fields.txt_support ? "YES" : "NO");
}
BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_EXIT, print_me_fw_version, NULL);