diff options
| author | Vladimir Serbinenko <phcoder@gmail.com> | 2014-08-08 00:00:20 +0200 |
|---|---|---|
| committer | Vladimir Serbinenko <phcoder@gmail.com> | 2014-08-08 07:39:55 +0200 |
| commit | 782ac36cfac8be208f0d1221f6586375e1b8c574 (patch) | |
| tree | f6001e1dfe0934ab9e529f6d48da6451f3800168 /src/mainboard/lenovo/x230/smihandler.c | |
| parent | 91810ddf798be6067dd4a42dd4c708573645987d (diff) | |
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/smihandler.c')
| -rw-r--r-- | src/mainboard/lenovo/x230/smihandler.c | 20 |
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); + } + } +} |