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armv8: Add workaround for USB erratum A-050106

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USB3.0 Receiver needs to enable fixed equalization
for each of PHY instances in an SOC. This is similar
to erratum A-009007, but this one is for LX2160A,
and the register value is different.

Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
This commit is contained in:
Ran Wang
2019-11-26 11:40:40 +08:00
committed by Priyanka Jain
parent 055aa33ff9
commit 0cfa00cdb9
3 changed files with 26 additions and 1 deletions
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6
arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
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@@ -252,8 +252,14 @@
#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
#if defined(CONFIG_ARCH_LS2080A) || defined(CONFIG_ARCH_LS1088A) || \
defined(CONFIG_ARCH_LS1028A)
#define USB_PHY_RX_EQ_VAL_3 0x0380
#define USB_PHY_RX_EQ_VAL_4 0x0b80
#elif defined(CONFIG_ARCH_LX2160A)
#define USB_PHY_RX_EQ_VAL_3 0x0080
#define USB_PHY_RX_EQ_VAL_4 0x0880
#endif
#define DCSR_USB_IOCR1 0x108004
#define DCSR_USB_PCSTXSWINGFULL 0x71