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-rw-r--r--arch/arm/cpu/armv7/ls102xa/Kconfig6
-rw-r--r--arch/arm/cpu/armv7/ls102xa/soc.c12
-rw-r--r--arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h7
3 files changed, 25 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/ls102xa/Kconfig b/arch/arm/cpu/armv7/ls102xa/Kconfig
index a84cda8592..20e2b1a50a 100644
--- a/arch/arm/cpu/armv7/ls102xa/Kconfig
+++ b/arch/arm/cpu/armv7/ls102xa/Kconfig
@@ -3,6 +3,7 @@ config ARCH_LS1021A
select SYS_FSL_ERRATUM_A008378
select SYS_FSL_ERRATUM_A008407
select SYS_FSL_ERRATUM_A008997
+ select SYS_FSL_ERRATUM_A009007
select SYS_FSL_ERRATUM_A009008
select SYS_FSL_ERRATUM_A009663
select SYS_FSL_ERRATUM_A009798
@@ -66,6 +67,11 @@ config SYS_FSL_ERRATUM_A008997
help
Workaround for USB PHY erratum A008997
+config SYS_FSL_ERRATUM_A009007
+ bool
+ help
+ Workaround for USB PHY erratum A009007
+
config SYS_FSL_ERRATUM_A009008
bool
help
diff --git a/arch/arm/cpu/armv7/ls102xa/soc.c b/arch/arm/cpu/armv7/ls102xa/soc.c
index 07b525d7a3..e10037d711 100644
--- a/arch/arm/cpu/armv7/ls102xa/soc.c
+++ b/arch/arm/cpu/armv7/ls102xa/soc.c
@@ -92,6 +92,17 @@ static void erratum_a008997(void)
#endif /* CONFIG_SYS_FSL_ERRATUM_A008997 */
}
+static void erratum_a009007(void)
+{
+#ifdef CONFIG_SYS_FSL_ERRATUM_A009007
+ void __iomem *usb_phy = (void __iomem *)USB_PHY_BASE;
+
+ out_le16(usb_phy + USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_1);
+ out_le16(usb_phy + USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_2);
+ out_le16(usb_phy + USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_3);
+ out_le16(usb_phy + USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_4);
+#endif /* CONFIG_SYS_FSL_ERRATUM_A009007 */
+}
void s_init(void)
{
@@ -184,6 +195,7 @@ int arch_soc_init(void)
erratum_a009008();
erratum_a009798();
erratum_a008997();
+ erratum_a009007();
return 0;
}
diff --git a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h
index 25e65cbd26..fe0bbb9d93 100644
--- a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h
+++ b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h
@@ -182,6 +182,13 @@ struct ccsr_gur {
#define SCFG_USB_PCSTXSWINGFULL_MASK 0x0000FE00
#define SCFG_USB_PCSTXSWINGFULL_VAL 0x00008E00
+#define USB_PHY_BASE 0x08510000
+#define USB_PHY_RX_OVRD_IN_HI 0x200c
+#define USB_PHY_RX_EQ_VAL_1 0x0000
+#define USB_PHY_RX_EQ_VAL_2 0x8000
+#define USB_PHY_RX_EQ_VAL_3 0x8004
+#define USB_PHY_RX_EQ_VAL_4 0x800C
+
/* Supplemental Configuration Unit */
struct ccsr_scfg {
u32 dpslpcr;