summaryrefslogtreecommitdiff
path: root/src/mainboard/lenovo/x230
diff options
context:
space:
mode:
authorVladimir Serbinenko <phcoder@gmail.com>2014-08-08 00:00:20 +0200
committerVladimir Serbinenko <phcoder@gmail.com>2014-08-08 07:39:55 +0200
commit782ac36cfac8be208f0d1221f6586375e1b8c574 (patch)
treef6001e1dfe0934ab9e529f6d48da6451f3800168 /src/mainboard/lenovo/x230
parent91810ddf798be6067dd4a42dd4c708573645987d (diff)
downloadcoreboot-782ac36cfac8be208f0d1221f6586375e1b8c574.tar.xz
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>
Diffstat (limited to 'src/mainboard/lenovo/x230')
-rw-r--r--src/mainboard/lenovo/x230/smihandler.c20
1 files changed, 20 insertions, 0 deletions
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);
+ }
+ }
+}