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soc/intel/skylake: Output more ME status information 

Output a few more status bits from HFS/HFS2 and add
some interesting bits from HFS3.

BUG=chrome-os-partner:52662
BRANCH=glados
TEST=boot on chell and verify ME status output

Change-Id: I989b680f203678dbe28559e858faf8b4e0837481
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 8ea34ab019da3fff965102bcef5158ddcc154728
Original-Change-Id: Iff977c8d85b4d4dfa00b5b19bc29d11813a99b9f
Original-Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/340390
Original-Reviewed-by: Aaron Durbin <adurbin@google.com>
Reviewed-on: https://review.coreboot.org/14687
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Duncan Laurie <dlaurie@google.com>
This commit is contained in:
Duncan Laurie 2016-04-21 17:34:56 -07:00 committed by Patrick Georgi
parent d2ea674635
commit e09b5f2d4f
2 changed files with 72 additions and 11 deletions
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34
src/soc/intel/skylake/include/soc/me.h
View File

@ -45,14 +45,8 @@
#define ME_HFS_MODE_OVER_JMPR 4
#define ME_HFS_MODE_OVER_MEI 5
#define ME_HFS_BIOS_DRAM_ACK 1
#define ME_HFS_ACK_NO_DID 0
#define ME_HFS_ACK_RESET 1
#define ME_HFS_ACK_PWR_CYCLE 2
#define ME_HFS_ACK_S3 3
#define ME_HFS_ACK_S4 4
#define ME_HFS_ACK_S5 5
#define ME_HFS_ACK_GBL_RESET 6
#define ME_HFS_ACK_CONTINUE 7
#define ME_HFS_POWER_SOURCE_AC 1
#define ME_HFS_POWER_SOURCE_DC 2
struct me_hfs {
u32 working_state: 4;
@ -64,10 +58,14 @@ struct me_hfs {
u32 update_in_progress: 1;
u32 error_code: 4;
u32 operation_mode: 4;
u32 reserved: 4;
u32 reset_count: 4;
u32 boot_options_present: 1;
u32 ack_data: 3;
u32 bios_msg_ack: 4;
u32 reserved1: 1;
u32 bist_test_state: 1;
u32 bist_reset_request: 1;
u32 current_power_source: 2;
u32 d3_support_valid: 1;
u32 d0i3_support_valid: 1;
} __attribute__ ((packed));
#define PCI_ME_HFSTS2 0x48
@ -165,6 +163,20 @@ struct me_hfs2 {
u32 progress_code: 4;
} __attribute__ ((packed));
#define PCI_ME_HFSTS3 0x60
#define ME_HFS3_FW_SKU_CONSUMER 0x2
#define ME_HFS3_FW_SKU_CORPORATE 0x3
struct me_hfs3 {
u32 reserved1: 4;
u32 fw_sku: 3;
u32 encrypt_key_check: 1;
u32 pch_config_change: 1;
u32 reserved2: 21;
u32 encrypt_key_override: 1;
u32 power_down_mitigation: 1;
} __attribute__ ((packed));
void intel_me_status(void);
#endif

49
src/soc/intel/skylake/me_status.c
View File

@ -206,9 +206,11 @@ void intel_me_status(void)
{
struct me_hfs _hfs, *hfs = &_hfs;
struct me_hfs2 _hfs2, *hfs2 = &_hfs2;
struct me_hfs3 _hfs3, *hfs3 = &_hfs3;
me_read_dword_ptr(hfs, PCI_ME_HFSTS1);
me_read_dword_ptr(hfs2, PCI_ME_HFSTS2);
me_read_dword_ptr(hfs3, PCI_ME_HFSTS3);
/* Check Current States */
printk(BIOS_DEBUG, "ME: FW Partition Table : %s\n",
@ -223,6 +225,14 @@ void intel_me_status(void)
hfs->boot_options_present ? "YES" : "NO");
printk(BIOS_DEBUG, "ME: Update In Progress : %s\n",
hfs->update_in_progress ? "YES" : "NO");
printk(BIOS_DEBUG, "ME: D3 Support : %s\n",
hfs->d3_support_valid ? "YES" : "NO");
printk(BIOS_DEBUG, "ME: D0i3 Support : %s\n",
hfs->d0i3_support_valid ? "YES" : "NO");
printk(BIOS_DEBUG, "ME: Low Power State Enabled : %s\n",
hfs2->low_power_state ? "YES" : "NO");
printk(BIOS_DEBUG, "ME: Power Gated : %s\n",
hfs2->power_gating_ind ? "YES" : "NO");
printk(BIOS_DEBUG, "ME: CPU Replaced : %s\n",
hfs2->cpu_replaced_sts ? "YES" : "NO");
printk(BIOS_DEBUG, "ME: CPU Replacement Valid : %s\n",
@ -272,4 +282,43 @@ void intel_me_status(void)
hfs2->progress_code, hfs2->current_state);
}
printk(BIOS_DEBUG, "\n");
/* Power Down Mitigation Status */
printk(BIOS_DEBUG, "ME: Power Down Mitigation : %s\n",
hfs3->power_down_mitigation ? "YES" : "NO");
if (hfs3->power_down_mitigation) {
printk(BIOS_INFO, "ME: PD Mitigation State : ");
if (hfs3->encrypt_key_override == 1 &&
hfs3->encrypt_key_check == 0 &&
hfs3->pch_config_change == 0)
printk(BIOS_INFO, "Normal Operation");
else if (hfs3->encrypt_key_override == 1 &&
hfs3->encrypt_key_check == 1 &&
hfs3->pch_config_change == 0)
printk(BIOS_INFO, "Issue Detected and Recovered");
else
printk(BIOS_INFO, "Issue Detected but not Recovered");
printk(BIOS_INFO, "\n");
printk(BIOS_DEBUG, "ME: Encryption Key Override : %s\n",
hfs3->encrypt_key_override ? "Workaround Applied" :
"Unable to override");
printk(BIOS_DEBUG, "ME: Encryption Key Check : %s\n",
hfs3->encrypt_key_check ? "FAIL" : "PASS");
printk(BIOS_DEBUG, "ME: PCH Configuration Info : %s\n",
hfs3->pch_config_change ? "Changed" : "No Change");
printk(BIOS_DEBUG, "ME: Firmware SKU : ");
switch (hfs3->fw_sku) {
case ME_HFS3_FW_SKU_CONSUMER:
printk(BIOS_DEBUG, "Consumer\n");
break;
case ME_HFS3_FW_SKU_CORPORATE:
printk(BIOS_DEBUG, "Corporate\n");
break;
default:
printk(BIOS_DEBUG, "Unknown (0x%x)\n", hfs3->fw_sku);
}
}
}