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armv8: Add workaround for USB erratum A-009007

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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: 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>
[YS: Reordered Kconfig options]
Reviewed-by: York Sun <york.sun@nxp.com>
This commit is contained in:
Ran Wang
2017-09-04 18:46:51 +08:00
committed by York Sun
parent 9d1cd910f7
commit 15d59b5316
4 changed files with 65 additions and 0 deletions
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9
arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
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@@ -137,6 +137,15 @@
#define SCFG_USB_SQRXTUNE_MASK 0x7
#define SCFG_QSPICLKCTLR 0x10
#define DCSR_BASE 0x700000000ULL
#define DCSR_USB_PHY1 0x4600000
#define DCSR_USB_PHY2 0x4610000
#define DCSR_USB_PHY_RX_OVRD_IN_HI 0x200C
#define USB_PHY_RX_EQ_VAL_1 0x0000
#define USB_PHY_RX_EQ_VAL_2 0x0080
#define USB_PHY_RX_EQ_VAL_3 0x0380
#define USB_PHY_RX_EQ_VAL_4 0x0b80
#define TP_ITYP_AV 0x00000001 /* Initiator available */
#define TP_ITYP_TYPE(x) (((x) & 0x6) >> 1) /* Initiator Type */
#define TP_ITYP_TYPE_ARM 0x0