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-rw-r--r--arch/arm/cpu/armv8/fsl-layerscape/Kconfig6
-rw-r--r--arch/arm/cpu/armv8/fsl-layerscape/soc.c23
2 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
index 82d61600e12..64eadfd25ae 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
+++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
@@ -16,6 +16,7 @@ config ARCH_LS1043A
select SYS_FSL_DDR_BE
select SYS_FSL_DDR_VER_50
select SYS_FSL_ERRATUM_A008850
+ select SYS_FSL_ERRATUM_A009008
select SYS_FSL_ERRATUM_A009660
select SYS_FSL_ERRATUM_A009663
select SYS_FSL_ERRATUM_A009929
@@ -39,6 +40,7 @@ config ARCH_LS1046A
select SYS_FSL_ERRATUM_A008336
select SYS_FSL_ERRATUM_A008511
select SYS_FSL_ERRATUM_A008850
+ select SYS_FSL_ERRATUM_A009008
select SYS_FSL_ERRATUM_A009801
select SYS_FSL_ERRATUM_A009803
select SYS_FSL_ERRATUM_A009942
@@ -100,6 +102,7 @@ config ARCH_LS2080A
select SYS_FSL_ERRATUM_A008511
select SYS_FSL_ERRATUM_A008514
select SYS_FSL_ERRATUM_A008585
+ select SYS_FSL_ERRATUM_A009008
select SYS_FSL_ERRATUM_A009635
select SYS_FSL_ERRATUM_A009663
select SYS_FSL_ERRATUM_A009801
@@ -248,6 +251,9 @@ config LS_PPA_ESBC_HDR_SIZE
endmenu
+config SYS_FSL_ERRATUM_A009008
+ bool "Workaround for USB PHY erratum A009008"
+
config SYS_FSL_ERRATUM_A010315
bool "Workaround for PCIe erratum A010315"
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
index a3b9f6baa45..b9e3a2075ac 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
@@ -54,6 +54,27 @@ bool soc_has_aiop(void)
return false;
}
+static inline void set_usb_txvreftune(u32 __iomem *scfg, u32 offset)
+{
+ scfg_clrsetbits32(scfg + offset / 4,
+ 0xF << 6,
+ SCFG_USB_TXVREFTUNE << 6);
+}
+
+static void erratum_a009008(void)
+{
+#ifdef CONFIG_SYS_FSL_ERRATUM_A009008
+ u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
+#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
+ set_usb_txvreftune(scfg, SCFG_USB3PRM1CR_USB1);
+ set_usb_txvreftune(scfg, SCFG_USB3PRM1CR_USB2);
+ set_usb_txvreftune(scfg, SCFG_USB3PRM1CR_USB3);
+#elif defined(CONFIG_ARCH_LS2080A)
+ set_usb_txvreftune(scfg, SCFG_USB3PRM1CR);
+#endif
+#endif /* CONFIG_SYS_FSL_ERRATUM_A009008 */
+}
+
#if defined(CONFIG_FSL_LSCH3)
/*
* This erratum requires setting a value to eddrtqcr1 to
@@ -200,6 +221,7 @@ void fsl_lsch3_early_init_f(void)
#endif
erratum_a008514();
erratum_a008336();
+ erratum_a009008();
#ifdef CONFIG_CHAIN_OF_TRUST
/* In case of Secure Boot, the IBR configures the SMMU
* to allow only Secure transactions.
@@ -478,6 +500,7 @@ void fsl_lsch2_early_init_f(void)
erratum_a009929();
erratum_a009660();
erratum_a010539();
+ erratum_a009008();
}
#endif