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| author | Jonathan Zhang <jonzhang@fb.com> | 2020-06-19 12:41:13 -0700 |
|---|---|---|
| committer | Philipp Deppenwiese <zaolin.daisuki@gmail.com> | 2020-08-10 00:26:49 +0000 |
| commit | aae448601c0679171d711a70a03bcfe52b4accf3 (patch) | |
| tree | 2fb59e3306c153a3a91d6bf8ba731ae1af95ad02 | |
| parent | ea7fde7070ca84e35a4a4cd141b688470fba09d0 (diff) | |
| download | coreboot-aae448601c0679171d711a70a03bcfe52b4accf3.tar.gz coreboot-aae448601c0679171d711a70a03bcfe52b4accf3.tar.bz2 coreboot-aae448601c0679171d711a70a03bcfe52b4accf3.zip | |
soc/intel/fsp_broadwell_de: examine ACM status at romstage entry
When INTEL_TXT is set, at romstage entry check if startup ACM worked correctly
by probing TXT_ERROR register.
Signed-off-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
Signed-off-by: Jonathan Zhang <jonzhang@fb.com>
Change-Id: I6f423df8b05dc44220a9bad3674f687bac94e335
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42713
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
| -rw-r--r-- | src/soc/intel/fsp_broadwell_de/romstage/romstage.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/soc/intel/fsp_broadwell_de/romstage/romstage.c b/src/soc/intel/fsp_broadwell_de/romstage/romstage.c index 8438b1035c93..96999275742c 100644 --- a/src/soc/intel/fsp_broadwell_de/romstage/romstage.c +++ b/src/soc/intel/fsp_broadwell_de/romstage/romstage.c @@ -38,6 +38,9 @@ #include <soc/ubox.h> #include <build.h> +#include <security/intel/txt/txt.h> +#include <security/intel/txt/txt_register.h> + static void init_rtc(void) { u16 gen_pmcon3 = pci_read_config16(PCI_DEV(0, LPC_DEV, LPC_FUNC), GEN_PMCON_3); @@ -156,6 +159,12 @@ void *asmlinkage main(FSP_INFO_HEADER *fsp_info_header) early_iio_hide(); timestamp_add_now(TS_BEFORE_INITRAM); post_code(0x48); + + if (CONFIG(INTEL_TXT)) { + printk(BIOS_DEBUG, "Check TXT_ERROR register\n"); + intel_txt_log_acm_error(read32((void *)TXT_ERROR)); + } + /* * Call early init to initialize memory and chipset. This function returns * to the romstage_main_continue function with a pointer to the HOB |