diff options
| author |   Tang Yuantian <Yuantian.Tang@freescale.com> | 2015-12-16 13:43:49 +0800 |
|---|---|---|
| committer |   Tejun Heo <tj@kernel.org> | 2015-12-16 10:24:35 -0500 |
| commit | ef0cc7fef4721aa19663da7475c8b862f0a35e0b (patch) | |
| tree | 0037a355d6fa3cdd3d25346974296379792f2d33 /drivers/ata/ahci_qoriq.c | |
| parent | ahci: compile out msi/msix infrastructure (diff) | |
| download | linux-dev-ef0cc7fef4721aa19663da7475c8b862f0a35e0b.tar.xz linux-dev-ef0cc7fef4721aa19663da7475c8b862f0a35e0b.zip | |
ahci: qoriq: Adjust the default register values on ls1043a
Updated the registers' values to enhance SATA performance and
reliability.
Signed-off-by: Tang Yuantian <Yuantian.Tang@freescale.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/ata/ahci_qoriq.c')
| -rw-r--r-- | drivers/ata/ahci_qoriq.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/ata/ahci_qoriq.c b/drivers/ata/ahci_qoriq.c index d0f9de96e4ea..4d613f8cb966 100644 --- a/drivers/ata/ahci_qoriq.c +++ b/drivers/ata/ahci_qoriq.c @@ -39,6 +39,8 @@ #define AHCI_PORT_PHY_4_CFG 0x00480811 #define AHCI_PORT_PHY_5_CFG 0x192c96a4 #define AHCI_PORT_TRANS_CFG 0x08000025 +#define LS1043A_PORT_PHY2 0x28184d1f +#define LS1043A_PORT_PHY3 0x0e081509 #define SATA_ECC_DISABLE 0x00020000 @@ -159,6 +161,12 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv) break; case AHCI_LS1043A: + writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1); + writel(LS1043A_PORT_PHY2, reg_base + PORT_PHY2); + writel(LS1043A_PORT_PHY3, reg_base + PORT_PHY3); + writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS); + break; + case AHCI_LS2080A: writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1); break; |