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review.coreboot.org / coreboot / 4e9bb3308e811000eb089be6b03658e4cb9a4717 / . / src / soc / intel / icelake / me.c
blob: c494fa5c0be55ec709e344fda4a5caf8bea5a20b [file] [log] [blame]
Elyes HAOUASe4fc65b2020-05-07 07:26:54 +0200[diff] [blame]1/* SPDX-License-Identifier: GPL-2.0-only */
Krishna Prasad Bhatd0c0fd72020-02-27 14:20:13 +0530[diff] [blame]2
3#include <bootstate.h>
4#include <intelblocks/cse.h>
Krishna Prasad Bhat26ea43a2020-02-26 16:04:57 +0530[diff] [blame]5#include <console/console.h>
6#include <soc/me.h>
7#include <stdint.h>
8
9/* Host Firmware Status Register 2 */
10union me_hfsts2 {
11 uint32_t data;
12 struct {
13 uint32_t nftp_load_failure : 1;
14 uint32_t icc_prog_status : 2;
15 uint32_t invoke_mebx : 1;
16 uint32_t cpu_replaced : 1;
17 uint32_t rsvd0 : 1;
18 uint32_t mfs_failure : 1;
19 uint32_t warm_reset_rqst : 1;
20 uint32_t cpu_replaced_valid : 1;
21 uint32_t low_power_state : 1;
22 uint32_t me_power_gate : 1;
23 uint32_t ipu_needed : 1;
24 uint32_t forced_safe_boot : 1;
25 uint32_t rsvd1 : 2;
26 uint32_t listener_change : 1;
27 uint32_t status_data : 8;
28 uint32_t current_pmevent : 4;
29 uint32_t phase : 4;
30 } __packed fields;
31};
32
33/* Host Firmware Status Register 4 */
34union me_hfsts4 {
35 uint32_t data;
36 struct {
37 uint32_t rsvd0 : 9;
38 uint32_t enforcement_flow : 1;
39 uint32_t sx_resume_type : 1;
40 uint32_t rsvd1 : 1;
41 uint32_t tpms_disconnected : 1;
42 uint32_t rvsd2 : 1;
43 uint32_t fwsts_valid : 1;
44 uint32_t boot_guard_self_test : 1;
45 uint32_t rsvd3 : 16;
46 } __packed fields;
47};
48
49/* Host Firmware Status Register 5 */
50union me_hfsts5 {
51 uint32_t data;
52 struct {
53 uint32_t acm_active : 1;
54 uint32_t valid : 1;
55 uint32_t result_code_source : 1;
56 uint32_t error_status_code : 5;
57 uint32_t acm_done_sts : 1;
58 uint32_t timeout_count : 7;
59 uint32_t scrtm_indicator : 1;
60 uint32_t inc_boot_guard_acm : 4;
61 uint32_t inc_key_manifest : 4;
62 uint32_t inc_boot_policy : 4;
63 uint32_t rsvd0 : 2;
64 uint32_t start_enforcement : 1;
65 } __packed fields;
66};
67
68/* Host Firmware Status Register 6 */
69union me_hfsts6 {
70 uint32_t data;
71 struct {
72 uint32_t force_boot_guard_acm : 1;
73 uint32_t cpu_debug_disable : 1;
74 uint32_t bsp_init_disable : 1;
75 uint32_t protect_bios_env : 1;
76 uint32_t rsvd0 : 2;
77 uint32_t error_enforce_policy : 2;
78 uint32_t measured_boot : 1;
79 uint32_t verified_boot : 1;
80 uint32_t boot_guard_acmsvn : 4;
81 uint32_t kmsvn : 4;
82 uint32_t bpmsvn : 4;
83 uint32_t key_manifest_id : 4;
84 uint32_t boot_policy_status : 1;
85 uint32_t error : 1;
86 uint32_t boot_guard_disable : 1;
87 uint32_t fpf_disable : 1;
88 uint32_t fpf_soc_lock : 1;
89 uint32_t txt_support : 1;
90 } __packed fields;
91};
92
93static void dump_me_status(void *unused)
94{
95 union me_hfsts1 hfsts1;
96 union me_hfsts2 hfsts2;
97 union me_hfsts3 hfsts3;
98 union me_hfsts4 hfsts4;
99 union me_hfsts5 hfsts5;
100 union me_hfsts6 hfsts6;
101
102 if (!is_cse_enabled())
103 return;
104
105 hfsts1.data = me_read_config32(PCI_ME_HFSTS1);
106 hfsts2.data = me_read_config32(PCI_ME_HFSTS2);
107 hfsts3.data = me_read_config32(PCI_ME_HFSTS3);
108 hfsts4.data = me_read_config32(PCI_ME_HFSTS4);
109 hfsts5.data = me_read_config32(PCI_ME_HFSTS5);
110 hfsts6.data = me_read_config32(PCI_ME_HFSTS6);
111
112 printk(BIOS_DEBUG, "ME: HFSTS1 : 0x%08X\n", hfsts1.data);
113 printk(BIOS_DEBUG, "ME: HFSTS2 : 0x%08X\n", hfsts2.data);
114 printk(BIOS_DEBUG, "ME: HFSTS3 : 0x%08X\n", hfsts3.data);
115 printk(BIOS_DEBUG, "ME: HFSTS4 : 0x%08X\n", hfsts4.data);
116 printk(BIOS_DEBUG, "ME: HFSTS5 : 0x%08X\n", hfsts5.data);
117 printk(BIOS_DEBUG, "ME: HFSTS6 : 0x%08X\n", hfsts6.data);
118
119 printk(BIOS_DEBUG, "ME: Manufacturing Mode : %s\n",
120 hfsts1.fields.mfg_mode ? "YES" : "NO");
121 printk(BIOS_DEBUG, "ME: FW Partition Table : %s\n",
122 hfsts1.fields.fpt_bad ? "BAD" : "OK");
123 printk(BIOS_DEBUG, "ME: Bringup Loader Failure : %s\n",
124 hfsts1.fields.ft_bup_ld_flr ? "YES" : "NO");
125 printk(BIOS_DEBUG, "ME: Firmware Init Complete : %s\n",
126 hfsts1.fields.fw_init_complete ? "YES" : "NO");
127 printk(BIOS_DEBUG, "ME: Boot Options Present : %s\n",
128 hfsts1.fields.boot_options_present ? "YES" : "NO");
129 printk(BIOS_DEBUG, "ME: Update In Progress : %s\n",
130 hfsts1.fields.update_in_progress ? "YES" : "NO");
131 printk(BIOS_DEBUG, "ME: D0i3 Support : %s\n",
132 hfsts1.fields.d0i3_support_valid ? "YES" : "NO");
133 printk(BIOS_DEBUG, "ME: Low Power State Enabled : %s\n",
134 hfsts2.fields.low_power_state ? "YES" : "NO");
135 printk(BIOS_DEBUG, "ME: CPU Replaced : %s\n",
136 hfsts2.fields.cpu_replaced ? "YES" : "NO");
137 printk(BIOS_DEBUG, "ME: CPU Replacement Valid : %s\n",
138 hfsts2.fields.cpu_replaced_valid ? "YES" : "NO");
139 printk(BIOS_DEBUG, "ME: Current Working State : %u\n",
140 hfsts1.fields.working_state);
141 printk(BIOS_DEBUG, "ME: Current Operation State : %u\n",
142 hfsts1.fields.operation_state);
143 printk(BIOS_DEBUG, "ME: Current Operation Mode : %u\n",
144 hfsts1.fields.operation_mode);
145 printk(BIOS_DEBUG, "ME: Error Code : %u\n",
146 hfsts1.fields.error_code);
147 printk(BIOS_DEBUG, "ME: CPU Debug Disabled : %s\n",
148 hfsts6.fields.cpu_debug_disable ? "YES" : "NO");
149 printk(BIOS_DEBUG, "ME: TXT Support : %s\n",
150 hfsts6.fields.txt_support ? "YES" : "NO");
151}
Krishna Prasad Bhatd0c0fd72020-02-27 14:20:13 +0530[diff] [blame]152
153BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_EXIT, print_me_fw_version, NULL);
Krishna Prasad Bhat26ea43a2020-02-26 16:04:57 +0530[diff] [blame]154BOOT_STATE_INIT_ENTRY(BS_OS_RESUME_CHECK, BS_ON_EXIT, dump_me_status, NULL);