diff options
Diffstat (limited to 'resources/libreboot/patch/coreboot/369b561315ca68d0cdedc38208105a513c7139b5/grub/kcma-d8/0037-mainboard-asus-kgpe-d16-Wait-for-all-APs-to-stop-bef.patch')
| -rw-r--r-- | resources/libreboot/patch/coreboot/369b561315ca68d0cdedc38208105a513c7139b5/grub/kcma-d8/0037-mainboard-asus-kgpe-d16-Wait-for-all-APs-to-stop-bef.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/resources/libreboot/patch/coreboot/369b561315ca68d0cdedc38208105a513c7139b5/grub/kcma-d8/0037-mainboard-asus-kgpe-d16-Wait-for-all-APs-to-stop-bef.patch b/resources/libreboot/patch/coreboot/369b561315ca68d0cdedc38208105a513c7139b5/grub/kcma-d8/0037-mainboard-asus-kgpe-d16-Wait-for-all-APs-to-stop-bef.patch new file mode 100644 index 0000000..85df388 --- /dev/null +++ b/resources/libreboot/patch/coreboot/369b561315ca68d0cdedc38208105a513c7139b5/grub/kcma-d8/0037-mainboard-asus-kgpe-d16-Wait-for-all-APs-to-stop-bef.patch @@ -0,0 +1,34 @@ +From acb022efd422f1008e311863779cfb2395069bd6 Mon Sep 17 00:00:00 2001 +From: Timothy Pearson <tpearson@raptorengineeringinc.com> +Date: Tue, 24 Nov 2015 14:12:03 -0600 +Subject: [PATCH 37/45] mainboard/asus/kgpe-d16: Wait for all APs to stop + before MCT setup + +Under certain conditions when the APs are still executing during +MCT setup the system can hang. This was the root cause of most +of the S3 resume failures on this platform; waiting for AP stop +before MCT setup allows for reliable S3 resume. + +Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> +--- + src/mainboard/asus/kgpe-d16/romstage.c | 4 ++++ + 1 file changed, 4 insertions(+) + +diff --git a/src/mainboard/asus/kgpe-d16/romstage.c b/src/mainboard/asus/kgpe-d16/romstage.c +index 6fb7668..5df6de4 100644 +--- a/src/mainboard/asus/kgpe-d16/romstage.c ++++ b/src/mainboard/asus/kgpe-d16/romstage.c +@@ -515,6 +515,10 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) + + post_code(0x3B); + ++ /* Wait for all APs to be stopped, otherwise ram initialization may hang */ ++ if (IS_ENABLED(CONFIG_LOGICAL_CPUS)) ++ wait_all_other_cores_stopped(bsp_apicid); ++ + /* It's the time to set ctrl in sysinfo now; */ + printk(BIOS_DEBUG, "fill_mem_ctrl() detected %d nodes\n", sysinfo->nodes); + if (is_fam15h()) +-- +2.1.4 + |