Rx Compliance tests may fail intermittently at high jitter frequencies using default register values
Changes identified in test setup makes the Rx compliance test pass
Signed-off-by: Sriram Dash sriram.dash@nxp.com Signed-off-by: Rajesh Bhagat rajesh.bhagat@nxp.com Signed-off-by: Suresh Gupta suresh.bhagat@nxp.com Signed-off-by: Ran Wang ran.wang_1@nxp.com --- Change in v2: In function erratum_a009007(): 1.Put a blank line after variable declaration.
arch/arm/cpu/armv7/ls102xa/Kconfig | 6 ++++++ arch/arm/cpu/armv7/ls102xa/soc.c | 12 ++++++++++++ arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h | 7 +++++++ 3 files changed, 25 insertions(+)
diff --git a/arch/arm/cpu/armv7/ls102xa/Kconfig b/arch/arm/cpu/armv7/ls102xa/Kconfig index 0acff07..f45bb1d 100644 --- a/arch/arm/cpu/armv7/ls102xa/Kconfig +++ b/arch/arm/cpu/armv7/ls102xa/Kconfig @@ -8,6 +8,7 @@ config ARCH_LS1021A select SYS_FSL_ERRATUM_A009008 select SYS_FSL_ERRATUM_A009798 select SYS_FSL_ERRATUM_A008997 + select SYS_FSL_ERRATUM_A009007 select SYS_FSL_SRDS_1 select SYS_HAS_SERDES select SYS_FSL_DDR_BE if SYS_FSL_DDR @@ -69,6 +70,11 @@ config SYS_FSL_ERRATUM_A008997 help Workaround for USB PHY erratum A008997
+config SYS_FSL_ERRATUM_A009007 + bool + help + Workaround for USB PHY erratum A009007 + config SYS_FSL_SRDS_1 bool
diff --git a/arch/arm/cpu/armv7/ls102xa/soc.c b/arch/arm/cpu/armv7/ls102xa/soc.c index 6f8eb0b..9e78344 100644 --- a/arch/arm/cpu/armv7/ls102xa/soc.c +++ b/arch/arm/cpu/armv7/ls102xa/soc.c @@ -93,6 +93,17 @@ static void erratum_a008997(void) #endif /* CONFIG_SYS_FSL_ERRATUM_A008997 */ }
+static void erratum_a009007(void) +{ +#ifdef CONFIG_SYS_FSL_ERRATUM_A009007 + void __iomem *usb_phy = (void __iomem *)USB_PHY_BASE; + + out_le16(usb_phy + USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_1); + out_le16(usb_phy + USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_2); + out_le16(usb_phy + USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_3); + out_le16(usb_phy + USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_4); +#endif /* CONFIG_SYS_FSL_ERRATUM_A009007 */ +}
void s_init(void) { @@ -184,6 +195,7 @@ int arch_soc_init(void) erratum_a009008(); erratum_a009798(); erratum_a008997(); + erratum_a009007();
return 0; } diff --git a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h index 539c1cf..703e59f 100644 --- a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h +++ b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h @@ -181,6 +181,13 @@ struct ccsr_gur { #define USB_PCSTXSWINGFULL_MASK 0x0000FE00 #define USB_PCSTXSWINGFULL_VAL 0x00008E00
+#define USB_PHY_BASE 0x08510000 +#define USB_PHY_RX_OVRD_IN_HI 0x200c +#define USB_PHY_RX_EQ_VAL_1 0x0000 +#define USB_PHY_RX_EQ_VAL_2 0x8000 +#define USB_PHY_RX_EQ_VAL_3 0x8004 +#define USB_PHY_RX_EQ_VAL_4 0x800C + /* Supplemental Configuration Unit */ struct ccsr_scfg { u32 dpslpcr;