From 1121a7b9cc0566a76084d63e9c9ea8352711e31c Mon Sep 17 00:00:00 2001 From: Yidi Lin Date: Thu, 19 Sep 2024 10:06:34 +0800 Subject: mb/google/rauru: Complete PCIe reset in romstage De-assert PERST# at romstage to reduce the waiting time in ramstage. BUG=b:361728592 TEST=The boot time improves 62ms Change-Id: I2cd5cd59e7513b6e4036c3e8013a3c7322d2f787 Signed-off-by: Yidi Lin Reviewed-on: https://review.coreboot.org/c/coreboot/+/84895 Tested-by: build bot (Jenkins) Reviewed-by: Yu-Ping Wu Reviewed-by: Yidi Lin --- src/mainboard/google/rauru/romstage.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'src/mainboard/google/rauru') diff --git a/src/mainboard/google/rauru/romstage.c b/src/mainboard/google/rauru/romstage.c index 0db6fd2674..7ee8759f75 100644 --- a/src/mainboard/google/rauru/romstage.c +++ b/src/mainboard/google/rauru/romstage.c @@ -1,8 +1,12 @@ /* SPDX-License-Identifier: GPL-2.0-only */ #include +#include void platform_romstage_main(void) { /* TODO: add romstage main function */ + + if (CONFIG(PCI)) + mtk_pcie_deassert_perst(); } -- cgit v1.2.3