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lenovo/t520: Enable wake on LID and Fn key 

Change-Id: Ieb23728ba171733820830e86e77a4c6d8e1cc57d
Signed-off-by: Nicolas Reinecke <nr@das-labor.org>
Reviewed-on: http://review.coreboot.org/7101
Tested-by: build bot (Jenkins)
Reviewed-by: Vladimir Serbinenko <phcoder@gmail.com>
This commit is contained in:
Nicolas Reinecke 2014-10-17 15:06:29 +02:00 committed by Vladimir Serbinenko
parent 85f2e12b4f
commit 9ebb3f5efa
1 changed files with 20 additions and 0 deletions
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20
src/mainboard/lenovo/t520/smihandler.c
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@ -167,3 +167,23 @@ 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);
}
}
}