From: Ran Wang <ran.wang_1@nxp.com>
Date: Fri, 22 Sep 2017 07:21:34 +0000 (+0800)
Subject: armv8: Apply workaround for USB erratum A-009007 to LS1088A
X-Git-Tag: v2025.01-rc5-pxa1908~5559^2~10
X-Git-Url: http://git.dujemihanovic.xyz/%22/icons/right.gif/static/git-favicon.png?a=commitdiff_plain;h=7458c5e65f384b2e7460ee5c494b296ae58f51e7;p=u-boot.git

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>
---

diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
index 3518d8601d..85b7c70937 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 a90ee0afd7..497a4b541d 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);