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| author | Edward O'Callaghan <eocallaghan@alterapraxis.com> | 2014-09-12 04:01:31 +1000 |
|---|---|---|
| committer | Edward O'Callaghan <eocallaghan@alterapraxis.com> | 2014-09-12 22:01:27 +0200 |
| commit | 07e6bd2a5576aea1479a96b12824a794035e5d0f (patch) | |
| tree | 6625748ca29865605f106896527e8a40d65c1ada /src/mainboard | |
| parent | 3a677dbd86716ef27ad02daea09f249cd184f293 (diff) | |
| download | coreboot-07e6bd2a5576aea1479a96b12824a794035e5d0f.tar.xz | |
lenovo/t530: Enable wake on LID and Fn key
Change-Id: I09a8fe94b33c3cc1da62f7a5a527944638bd6f0c
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/6877
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Vladimir Serbinenko <phcoder@gmail.com>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/lenovo/t530/smihandler.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/t530/smihandler.c b/src/mainboard/lenovo/t530/smihandler.c index da6d863b8e..5bcde1cbb6 100644 --- a/src/mainboard/lenovo/t530/smihandler.c +++ b/src/mainboard/lenovo/t530/smihandler.c @@ -172,3 +172,23 @@ 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); + } + } +} |