diff options
Diffstat (limited to 'src/soc/intel/alderlake')
| -rw-r--r-- | src/soc/intel/alderlake/me.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/soc/intel/alderlake/me.c b/src/soc/intel/alderlake/me.c index ea949025a7..31b09da351 100644 --- a/src/soc/intel/alderlake/me.c +++ b/src/soc/intel/alderlake/me.c @@ -2,6 +2,7 @@ #include <bootstate.h> #include <intelblocks/cse.h> +#include <intelblocks/spi.h> #include <console/console.h> #include <soc/me.h> #include <stdint.h> @@ -90,6 +91,25 @@ union me_hfsts6 { } __packed fields; }; +static void log_me_ro_write_protection_info(bool mfg_mode) +{ + bool cse_ro_wp_en = is_spi_wp_cse_ro_en(); + + printk(BIOS_DEBUG, "ME: WP for RO is enabled : %s\n", + cse_ro_wp_en ? "YES" : "NO"); + + if (cse_ro_wp_en) { + uint32_t base, limit; + spi_get_wp_cse_ro_range(&base, &limit); + printk(BIOS_DEBUG, "ME: RO write protection scope - Start=0x%X, End=0x%X\n", + base, limit); + } + + /* If EOM is disabled, but CSE RO is not write protected, log error */ + if (!mfg_mode && !cse_ro_wp_en) + printk(BIOS_ERR, "ME: Write protection for CSE RO is not enabled\n"); +} + static void dump_me_status(void *unused) { union me_hfsts1 hfsts1; @@ -161,6 +181,9 @@ static void dump_me_status(void *unused) hfsts6.fields.cpu_debug_disable ? "YES" : "NO"); printk(BIOS_DEBUG, "ME: TXT Support : %s\n", hfsts6.fields.txt_support ? "YES" : "NO"); + + if (CONFIG(SOC_INTEL_CSE_LITE_SKU)) + log_me_ro_write_protection_info(!!hfsts1.fields.mfg_mode); } BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_EXIT, print_me_fw_version, NULL); |