From 782ac36cfac8be208f0d1221f6586375e1b8c574 Mon Sep 17 00:00:00 2001
From: Vladimir Serbinenko <phcoder@gmail.com>
Date: Fri, 8 Aug 2014 00:00:20 +0200
Subject: lenovo/x230: Enable wake on LID and Fn key.

Change-Id: Ifc7208400b0bdfa2b9b70773bd24e9f9df7f8048
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/6526
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
---
 src/mainboard/lenovo/x230/smihandler.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'src')

diff --git a/src/mainboard/lenovo/x230/smihandler.c b/src/mainboard/lenovo/x230/smihandler.c
index bbe08e2620..063209dd54 100644
--- a/src/mainboard/lenovo/x230/smihandler.c
+++ b/src/mainboard/lenovo/x230/smihandler.c
@@ -173,3 +173,23 @@ int mainboard_smi_apmc(u8 data)
 	}
 	return 0;
 }
+
+void mainboard_smi_sleep(u8 slp_typ)
+{
+	if (slp_typ == 3) {
+		u8 ec_wake = ec_read(0x32);
+		/* If EC wake events are enabled, enable wake on EC WAKE GPE.  */
+		if (ec_wake & 0x14) {
+			u32 gpe_rout;
+			u16 pmbase = pci_read_config16(PCI_DEV(0, 0x1f, 0), 0x40) & 0xfffc;
+
+			/* Enable EC WAKE GPE.  */
+			outl(inl(pmbase + GPE0_EN) | (1 << 29), pmbase + GPE0_EN);
+			gpe_rout = pci_read_config32(PCI_DEV(0, 0x1f, 0), GPIO_ROUT);
+			/* Redirect EC WAKE GPE to SCI.  */
+			gpe_rout &= ~(3 << 26);
+			gpe_rout |= (2 << 26);
+			pci_write_config32(PCI_DEV(0, 0x1f, 0), GPIO_ROUT, gpe_rout);
+		}
+	}
+}
-- 
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