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armv8: Apply workaround for USB erratum A-009007 to LS1088A

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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>
This commit is contained in:
Ran Wang 2017-09-22 15:21:34 +08:00 • committed by York Sun
parent 752513d8d9
commit 7458c5e65f
2 changed files with 3 additions and 2 deletions
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1
arch/arm/cpu/armv8/fsl-layerscape/Kconfig
View file

@ -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

4
arch/arm/cpu/armv8/fsl-layerscape/soc.c
View file

@ -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);