2015-12-16 06:22:17

by Tang Yuantian

Subject: [PATCH] ahci: qoriq: Adjust the default register values on ls1021a

From: Tang Yuantian <[email protected]>

Updated the registers' values to enhance SATA performance and
reliability on ls1021a soc.

Signed-off-by: Tang Yuantian <[email protected]>
---
drivers/ata/ahci_qoriq.c | 24 ++++++++++++++----------
1 file changed, 14 insertions(+), 10 deletions(-)

diff --git a/drivers/ata/ahci_qoriq.c b/drivers/ata/ahci_qoriq.c
index 256d911..7bdee9b 100644
--- a/drivers/ata/ahci_qoriq.c
+++ b/drivers/ata/ahci_qoriq.c
@@ -34,16 +34,20 @@

/* port register default value */
#define AHCI_PORT_PHY_1_CFG 0xa003fffe
-#define AHCI_PORT_PHY_2_CFG 0x28183411
-#define AHCI_PORT_PHY_3_CFG 0x0e081004
-#define AHCI_PORT_PHY_4_CFG 0x00480811
-#define AHCI_PORT_PHY_5_CFG 0x192c96a4
#define AHCI_PORT_TRANS_CFG 0x08000029
-#define LS1043A_PORT_PHY2 0x28184d1f
-#define LS1043A_PORT_PHY3 0x0e081509
+
+/* for ls1021a */
+#define LS1021A_PORT_PHY2 0x28183414
+#define LS1021A_PORT_PHY3 0x0e080e06
+#define LS1021A_PORT_PHY4 0x064a080b
+#define LS1021A_PORT_PHY5 0x2aa86470

#define SATA_ECC_DISABLE 0x00020000

+/* for ls1043a */
+#define LS1043A_PORT_PHY2 0x28184d1f
+#define LS1043A_PORT_PHY3 0x0e081509
+
enum ahci_qoriq_type {
AHCI_LS1021A,
AHCI_LS1043A,
@@ -153,10 +157,10 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv)
case AHCI_LS1021A:
writel(SATA_ECC_DISABLE, qpriv->ecc_addr);
writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1);
- writel(AHCI_PORT_PHY_2_CFG, reg_base + PORT_PHY2);
- writel(AHCI_PORT_PHY_3_CFG, reg_base + PORT_PHY3);
- writel(AHCI_PORT_PHY_4_CFG, reg_base + PORT_PHY4);
- writel(AHCI_PORT_PHY_5_CFG, reg_base + PORT_PHY5);
+ writel(LS1021A_PORT_PHY2, reg_base + PORT_PHY2);
+ writel(LS1021A_PORT_PHY3, reg_base + PORT_PHY3);
+ writel(LS1021A_PORT_PHY4, reg_base + PORT_PHY4);
+ writel(LS1021A_PORT_PHY5, reg_base + PORT_PHY5);
writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS);
break;

--
2.1.0.27.g96db324

2015-12-16 15:25:40

by Tejun Heo

Subject: Re: [PATCH] ahci: qoriq: Adjust the default register values on ls1021a

On Wed, Dec 16, 2015 at 02:00:35PM +0800, [email protected] wrote:
> From: Tang Yuantian <[email protected]>
>
> Updated the registers' values to enhance SATA performance and
> reliability on ls1021a soc.
>
> Signed-off-by: Tang Yuantian <[email protected]>

Applied to libata/for-4.5.

Thanks.

--
tejun