diff options
| author | Shelley Chen <shchen@chromium.org> | 2017-05-03 11:24:22 -0700 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2017-05-05 22:42:19 +0200 |
| commit | d44d0280500d4421601a237a392c488338752825 (patch) | |
| tree | 384eea22951c7f712f3708e4cfd6a31667444692 /src/soc/intel/skylake/sata.c | |
| parent | f49785e8e2ab0fa274d538ba2ecf36881fe4529a (diff) | |
soc/intel/skylake: Enable SATA ports
The current implementation is incorrect and is
actually disabling the ports. Fixes that.
BUG=b:37486021, b:35775024
BRANCH=None
TEST=reboot and ensure that we can boot from
SATA SSD.
Change-Id: I8525f6f5ddfdf61c564febd86b1ba2e01c22d9e5
Signed-off-by: Shelley Chen <shchen@chromium.org>
Reviewed-on: https://review.coreboot.org/19553
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Diffstat (limited to 'src/soc/intel/skylake/sata.c')
| -rw-r--r-- | src/soc/intel/skylake/sata.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/soc/intel/skylake/sata.c b/src/soc/intel/skylake/sata.c index c1104364ff..277d6da246 100644 --- a/src/soc/intel/skylake/sata.c +++ b/src/soc/intel/skylake/sata.c @@ -40,14 +40,16 @@ static void *get_ahci_bar(void) static void sata_final(device_t dev) { void *ahcibar = get_ahci_bar(); - u8 port_impl; + u32 port_impl, temp; dev = PCH_DEV_SATA; /* Read Ports Implemented (GHC_PI) */ - port_impl = read32(ahcibar + 0x0c); - port_impl = ~port_impl & 0x07; + port_impl = read32(ahcibar + 0x0c) & 0x07; /* Port enable */ - pci_write_config8(dev, 0x92, port_impl); + temp = pci_read_config32(dev, 0x92); + temp |= port_impl; + pci_write_config32(dev, 0x92, temp); + } static struct device_operations sata_ops = { |