diff options
| author | Ran Wang <ran.wang_1@nxp.com> | 2017-09-22 15:21:34 +0800 |
|---|---|---|
| committer | York Sun <york.sun@nxp.com> | 2017-10-09 08:36:37 -0700 |
| commit | 7458c5e65f384b2e7460ee5c494b296ae58f51e7 (patch) | |
| tree | dd9d71423d86c88decbd19874a0fcd538a0e1d8e /arch/arm/cpu/armv8 | |
| parent | 752513d8d9768ef9d9da29db608d89b5d3517c2f (diff) | |
armv8: Apply workaround for USB erratum A-009007 to LS1088A
Rx Compliance tests may fail intermittently at high jitter
frequencies using default register values.
Program register USB_PHY_RX_OVRD_IN_HI in certain sequence
to make the Rx compliance test pass.
Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'arch/arm/cpu/armv8')
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/soc.c | 4 |
2 files changed, 3 insertions, 2 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig index 3518d8601d1..85b7c70937e 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig +++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig @@ -72,6 +72,7 @@ config ARCH_LS1088A select SYS_FSL_ERRATUM_A010165 select SYS_FSL_ERRATUM_A008511 select SYS_FSL_ERRATUM_A008850 + select SYS_FSL_ERRATUM_A009007 select SYS_FSL_HAS_CCI400 select SYS_FSL_HAS_DDR4 select SYS_FSL_HAS_RGMII diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c index a90ee0afd77..497a4b541df 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c @@ -127,7 +127,7 @@ static void erratum_a008997(void) out_be16((phy) + SCFG_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_3); \ out_be16((phy) + SCFG_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_4) -#elif defined(CONFIG_ARCH_LS2080A) +#elif defined(CONFIG_ARCH_LS2080A) || defined(CONFIG_ARCH_LS1088A) #define PROGRAM_USB_PHY_RX_OVRD_IN_HI(phy) \ out_le16((phy) + DCSR_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_1); \ @@ -149,7 +149,7 @@ static void erratum_a009007(void) usb_phy = (void __iomem *)SCFG_USB_PHY3; PROGRAM_USB_PHY_RX_OVRD_IN_HI(usb_phy); -#elif defined(CONFIG_ARCH_LS2080A) +#elif defined(CONFIG_ARCH_LS2080A) || defined(CONFIG_ARCH_LS1088A) void __iomem *dcsr = (void __iomem *)DCSR_BASE; PROGRAM_USB_PHY_RX_OVRD_IN_HI(dcsr + DCSR_USB_PHY1); |