[S] Change in coreboot[master]: [DO NOT SUBMIT] mb/prodrive/hermes: Disable Wake-on-LAN

[Angel Pons (Code Review)]

Angel Pons has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/69164 )

Change subject: [DO NOT SUBMIT] mb/prodrive/hermes: Disable Wake-on-LAN
......................................................................

[DO NOT SUBMIT] mb/prodrive/hermes: Disable Wake-on-LAN

It is siesta time!

TODO: Honor value from EEPROM setting.

Change-Id: I5ff302e25dc74ae001047c506c7725b8c48c8197
Signed-off-by: Angel Pons 
---
M src/mainboard/prodrive/hermes/smihandler.c
1 file changed, 27 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/64/69164/1

diff --git a/src/mainboard/prodrive/hermes/smihandler.c b/src/mainboard/prodrive/hermes/smihandler.c
index 50b8e8b..2d178ed 100644
--- a/src/mainboard/prodrive/hermes/smihandler.c
+++ b/src/mainboard/prodrive/hermes/smihandler.c
@@ -1,10 +1,12 @@
 /* SPDX-License-Identifier: GPL-2.0-only */

#include <acpi/acpi.h>
+#include <arch/io.h>
 #include <cpu/x86/smm.h>
 #include <intelblocks/gpio.h>
 #include <intelblocks/smihandler.h>
 #include <soc/gpio.h>
+#include <soc/pm.h>

static const struct pad_config sgpio_table[] = {
    PAD_CFG_GPO(GPP_F10, 0, DEEP),
@@ -21,4 +23,15 @@
     */
    if (slp_typ >= ACPI_S3)
    	gpio_configure_pads(sgpio_table, ARRAY_SIZE(sgpio_table));
+
+	/*
+	 * Disable PCIe wake to disable Wake-on-LAN.
+	 *
+	 * TODO: Honor value from EEPROM setting.
+	 */
+	if (slp_typ >= ACPI_S3) {
+		uint32_t reg32 = inl(ACPI_BASE_ADDRESS + PM1_STS);
+		reg32 |= 1 << 30;	/* Set PCIEXP_WAKE_DIS */
+		outl(reg32, ACPI_BASE_ADDRESS + PM1_STS);
+	}
 }