GNUBoot
/
coreboot-kgpe-d16
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

lenovo/x201: Enable wake on LID and Fn key. 

Change-Id: I485da5b8e9084c73f16b5df1c42879697fc0ac3d
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/6528
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
This commit is contained in:
Vladimir Serbinenko 2014-08-08 00:10:28 +02:00
parent 309a7ffc66
commit 8a57b39223
1 changed files with 20 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
src/mainboard/lenovo/x201/smihandler.c
View File

@ -200,3 +200,23 @@ int mainboard_smi_apmc(u8 data)
} }
return 0; 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);
}
}
}