[U-Boot] [PATCH v3 2/2] armv8: ls1028a: enable workaround for USB errarum A-009007
Ran Wang
ran.wang_1 at nxp.com
Tue May 14 09:34:57 UTC 2019
From: Yinbo Zhu <yinbo.zhu at nxp.com>
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: Yinbo Zhu <yinbo.zhu at nxp.com>
Signed-off-by: Ran Wang <ran.wang_1 at nxp.com>
---
Change in v3:
- Update commit subject to remove redundant message
Change in v2:
- Update commit subject to make it clearer
arch/arm/cpu/armv8/fsl-layerscape/soc.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
index f2392f0ebf..af2d86bb9d 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
@@ -143,7 +143,8 @@ 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) || defined(CONFIG_ARCH_LS1088A)
+#elif defined(CONFIG_ARCH_LS2080A) || defined(CONFIG_ARCH_LS1088A) || \
+ defined(CONFIG_ARCH_LS1028A)
#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); \
@@ -167,7 +168,8 @@ static void erratum_a009007(void)
usb_phy = (void __iomem *)SCFG_USB_PHY3;
PROGRAM_USB_PHY_RX_OVRD_IN_HI(usb_phy);
#endif
-#elif defined(CONFIG_ARCH_LS2080A) || defined(CONFIG_ARCH_LS1088A)
+#elif defined(CONFIG_ARCH_LS2080A) || defined(CONFIG_ARCH_LS1088A) || \
+ defined(CONFIG_ARCH_LS1028A)
void __iomem *dcsr = (void __iomem *)DCSR_BASE;
PROGRAM_USB_PHY_RX_OVRD_IN_HI(dcsr + DCSR_USB_PHY1);
--
2.17.1
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