diff options
Diffstat (limited to 'arch/mips/netlogic/xlp')
| -rw-r--r-- | arch/mips/netlogic/xlp/ahci-init-xlp2.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/mips/netlogic/xlp/ahci-init-xlp2.c b/arch/mips/netlogic/xlp/ahci-init-xlp2.c index c83dbf3689e2..7b066a44e679 100644 --- a/arch/mips/netlogic/xlp/ahci-init-xlp2.c +++ b/arch/mips/netlogic/xlp/ahci-init-xlp2.c @@ -203,6 +203,7 @@ static u8 read_phy_reg(u64 regbase, u32 addr, u32 physel) static void config_sata_phy(u64 regbase) { u32 port, i, reg; + u8 val; for (port = 0; port < 2; port++) { for (i = 0, reg = RXCDRCALFOSC0; reg <= CALDUTY; reg++, i++) @@ -210,6 +211,18 @@ static void config_sata_phy(u64 regbase) for (i = 0, reg = RXDPIF; reg <= PPMDRIFTMAX_HI; reg++, i++) write_phy_reg(regbase, reg, port, sata_phy_config2[i]); + + /* Fix for PHY link up failures at lower temperatures */ + write_phy_reg(regbase, 0x800F, port, 0x1f); + + val = read_phy_reg(regbase, 0x0029, port); + write_phy_reg(regbase, 0x0029, port, val | (0x7 << 1)); + + val = read_phy_reg(regbase, 0x0056, port); + write_phy_reg(regbase, 0x0056, port, val & ~(1 << 3)); + + val = read_phy_reg(regbase, 0x0018, port); + write_phy_reg(regbase, 0x0018, port, val & ~(0x7 << 0)); } } |