diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2015-04-13 16:03:32 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2015-04-13 16:03:32 +0200 |
| commit | 3e20a26b02bd4f24945c87407df51948dd488620 (patch) | |
| tree | f466d3b2a47a98ec2910724e17ee2f3a93c1a49e /arch/mips/netlogic/xlp | |
| parent | 98b0429b7abd5c05efdb23f3eba02ec3f696748e (diff) | |
| parent | 5306a5450824691e27d68f711758515debedeeac (diff) | |
Merge branch '4.0-fixes' into mips-for-linux-next
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)); } } |