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-rw-r--r--src/soc/intel/skylake/sata.c10
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 = {