diff options
| author | Subrata Banik <subratabanik@google.com> | 2022-06-16 20:25:08 +0530 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-06-22 12:52:14 +0000 |
| commit | 957609d00c50492226e3f0c9cb6327ae6d25baf6 (patch) | |
| tree | 0aa2e3e59765539a765f12a9673f54a046b84dd4 /src/soc/intel | |
| parent | ceaf9d116949da68aa9c2ed658d28b8b7f34212b (diff) | |
soc/intel/mp_init: Skip before_post_cpus_init if !USE_COREBOOT_MP_INIT
This patch ensures all APs finish the task and continue
before_post_cpus_init() if coreboot decides to perform multiprocessor
initialization using native coreboot drivers instead of using
FSP MP PPI implementation.
BUG=b:233199592
TEST=Build and boot google/kano to ChromeOS.
Signed-off-by: Subrata Banik <subratabanik@google.com>
Change-Id: I3b76974ab19323201bf1dca9af423481a40f65c9
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65173
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/intel')
| -rw-r--r-- | src/soc/intel/common/block/cpu/mp_init.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/cpu/mp_init.c b/src/soc/intel/common/block/cpu/mp_init.c index 7788a7973d..9aa30dddbc 100644 --- a/src/soc/intel/common/block/cpu/mp_init.c +++ b/src/soc/intel/common/block/cpu/mp_init.c @@ -183,6 +183,16 @@ static void wrapper_init_core_prmrr(void *unused) void before_post_cpus_init(void) { + /* + * Ensure all APs finish the task and continue if coreboot decides to + * perform multiprocessor initialization using native coreboot drivers + * instead using FSP MP PPI implementation. + * + * Ignore if USE_COREBOOT_MP_INIT is not enabled. + */ + if (!CONFIG(USE_COREBOOT_MP_INIT)) + return; + if (mp_run_on_all_cpus(&wrapper_init_core_prmrr, NULL) != CB_SUCCESS) printk(BIOS_ERR, "core PRMRR sync failure\n"); |