From 259306a296ed9d8ccc87214eb930ffd15f23640e Mon Sep 17 00:00:00 2001
From: Jarried Lin <jarried.lin@mediatek.corp-partner.google.com>
Date: Fri, 7 Feb 2025 15:36:31 +0800
Subject: [PATCH] mb/google/rauru: Deassert PCIe PERST# earlier in romstage

Reorder the PCIe reset before mtk_dram_init to overlap the de-assert
time with the DRAM initialization process. This change helps to optimize
the initialization sequence and reduce overall boot time.

BRANCH=rauru
TEST=Build pass
BUG=b:391333055

Change-Id: I24b254ff3a3cbe6d9a60a8e6afea2c621e0a07e2
Signed-off-by: Jarried Lin <jarried.lin@mediatek.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/86311
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Reviewed-by: Yidi Lin <yidilin@google.com>
---
 src/mainboard/google/rauru/romstage.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/mainboard/google/rauru/romstage.c b/src/mainboard/google/rauru/romstage.c
index 7860dfd092..584af61d0f 100644
--- a/src/mainboard/google/rauru/romstage.c
+++ b/src/mainboard/google/rauru/romstage.c
@@ -47,11 +47,10 @@ void platform_romstage_main(void)
 	clk_buf_init();
 	if (CONFIG(RTC))
 		rtc_boot();
+	if (CONFIG(PCI))
+		mtk_pcie_deassert_perst();
 	mtk_dram_init();
 	modem_power_down();
 	dvfs_init();
 	thermal_init();
-
-	if (CONFIG(PCI))
-		mtk_pcie_deassert_perst();
 }