[coreboot-gerrit] [XS] Change in coreboot[main]: mb/google/rauru: Reset USB hub in bootblock

[Felix Held (Code Review)]

Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/84024?usp=email )

(

8 is the latest approved patch-set.
No files were changed between the latest approved patch-set and the submitted one.
 )Change subject: mb/google/rauru: Reset USB hub in bootblock
......................................................................

mb/google/rauru: Reset USB hub in bootblock

We have to reset the USB hub as early as possible. Otherwise the USB3
hub may not be usable in the payload. This design has been introduced
since Cherry.

TEST=build pass.
BUG=b:317009620

Change-Id: Iea793b4b04bd009d0354e2331604bccf30466a23
Signed-off-by: Jarried Lin 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/84024
Reviewed-by: Yu-Ping Wu 
Tested-by: build bot (Jenkins) 
---
M src/mainboard/google/rauru/bootblock.c
1 file changed, 8 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Yu-Ping Wu: Looks good to me, approved

diff --git a/src/mainboard/google/rauru/bootblock.c b/src/mainboard/google/rauru/bootblock.c
index a896b72..578ec75 100644
--- a/src/mainboard/google/rauru/bootblock.c
+++ b/src/mainboard/google/rauru/bootblock.c
@@ -3,7 +3,15 @@
 #include <bootblock_common.h>
 #include <soc/spi.h>

+#include "gpio.h"
+
+static void usb3_hub_reset(void)
+{
+	gpio_output(GPIO(USB_RST), 1);
+}
+
 void bootblock_mainboard_init(void)
 {
    mtk_snfc_init();
+	usb3_hub_reset();
 }