@@ -328,6 +328,8 @@ int sata_init(void)
#ifdef CONFIG_SYS_SATA2
ccsr_ahci = (void *)CONFIG_SYS_SATA2;
out_le32(&ccsr_ahci->ppcfg, AHCI_PORT_PHY_1_CFG);
+ out_le32(&ccsr_ahci->pp2c, AHCI_PORT_PHY2_CFG);
+ out_le32(&ccsr_ahci->pp3c, AHCI_PORT_PHY3_CFG);
out_le32(&ccsr_ahci->ptc, AHCI_PORT_TRANS_CFG);
out_le32(&ccsr_ahci->axicc, AHCI_PORT_AXICC_CFG);
#endif
@@ -335,6 +337,8 @@ int sata_init(void)
#ifdef CONFIG_SYS_SATA1
ccsr_ahci = (void *)CONFIG_SYS_SATA1;
out_le32(&ccsr_ahci->ppcfg, AHCI_PORT_PHY_1_CFG);
+ out_le32(&ccsr_ahci->pp2c, AHCI_PORT_PHY2_CFG);
+ out_le32(&ccsr_ahci->pp3c, AHCI_PORT_PHY3_CFG);
out_le32(&ccsr_ahci->ptc, AHCI_PORT_TRANS_CFG);
out_le32(&ccsr_ahci->axicc, AHCI_PORT_AXICC_CFG);
@@ -355,6 +359,8 @@ int sata_init(void)
/* Disable SATA ECC */
out_le32((void *)CONFIG_SYS_DCSR_DCFG_ADDR + 0x520, 0x80000000);
out_le32(&ccsr_ahci->ppcfg, AHCI_PORT_PHY_1_CFG);
+ out_le32(&ccsr_ahci->pp2c, AHCI_PORT_PHY2_CFG);
+ out_le32(&ccsr_ahci->pp3c, AHCI_PORT_PHY3_CFG);
out_le32(&ccsr_ahci->ptc, AHCI_PORT_TRANS_CFG);
out_le32(&ccsr_ahci->axicc, AHCI_PORT_AXICC_CFG);
@@ -88,6 +88,8 @@ struct cpu_type {
/* ahci port register default value */
#define AHCI_PORT_PHY_1_CFG 0xa003fffe
+#define AHCI_PORT_PHY2_CFG 0x28184d1f
+#define AHCI_PORT_PHY3_CFG 0x0e081509
#define AHCI_PORT_TRANS_CFG 0x08000029
#define AHCI_PORT_AXICC_CFG 0x3fffffff
Sata registers PP2C and PP3C are used to control the configuration of the PHY control OOB timing for the COMINIT/COMWAKE parameters respectively. Calculate those parameters from port clock frequency. Overwrite those registers with calculated values to get better OOB timing. Signed-off-by: Tang Yuantian <andy.tang@nxp.com> --- v2: - refine the commit message and title arch/arm/cpu/armv8/fsl-layerscape/soc.c | 6 ++++++ arch/arm/include/asm/arch-fsl-layerscape/soc.h | 2 ++ 2 files changed, 8 insertions(+)