From: Suresh Gupta <suresh.gu...@freescale.com>
USB High Speed Squelch Threshold Adjustment
This patch is adding the erratum for LS1021.
Signed-off-by: Sriram Dash <sriram.d...@nxp.com>
Signed-off-by: Rajesh Bhagat <rajesh.bha...@nxp.com>
Signed-off-by: yinbo.zhu <yinbo....@nxp.com>
---
arch/arm/cpu/armv7/ls102xa/soc.c | 10 ++++++++++
arch/arm/include/asm/arch-ls102xa/config.h | 1 +
arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h | 1 +
3 files changed, 12 insertions(+)
diff --git a/arch/arm/cpu/armv7/ls102xa/soc.c b/arch/arm/cpu/armv7/ls102xa/soc.c
index c54daee..2e64708 100644
--- a/arch/arm/cpu/armv7/ls102xa/soc.c
+++ b/arch/arm/cpu/armv7/ls102xa/soc.c
@@ -70,6 +70,15 @@ static void erratum_a009008(void)
#endif /* CONFIG_SYS_FSL_ERRATUM_A009008 */
}
+static void erratum_a009798(void)
+{
+#ifdef CONFIG_SYS_FSL_ERRATUM_A009798
+ u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
+ u32 val = in_be32(scfg + SCFG_USB3PRM1CR / 4);
+ out_be32(scfg + SCFG_USB3PRM1CR / 4, val & USB_SQRXTUNE);
+#endif /* CONFIG_SYS_FSL_ERRATUM_A009798 */
+}
+
void s_init(void)
{
}
@@ -158,6 +167,7 @@ int arch_soc_init(void)
/* Erratum */
erratum_a009008();
+ erratum_a009798();
return 0;
}
diff --git a/arch/arm/include/asm/arch-ls102xa/config.h
b/arch/arm/include/asm/arch-ls102xa/config.h
index 5b89f16..14d5de1 100644
--- a/arch/arm/include/asm/arch-ls102xa/config.h
+++ b/arch/arm/include/asm/arch-ls102xa/config.h
@@ -113,6 +113,7 @@
#define CONFIG_SYS_FSL_ERRATUM_A008378
#define CONFIG_SYS_FSL_ERRATUM_A009663
#define CONFIG_SYS_FSL_ERRATUM_A009008
+#define CONFIG_SYS_FSL_ERRATUM_A009798
#define CONFIG_SYS_FSL_ERRATUM_A009942
#define CONFIG_SYS_FSL_MAX_NUM_OF_SEC 1
#else
diff --git a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h
b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h
index f474cfd..bfc92ee 100644
--- a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h
+++ b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h
@@ -175,6 +175,7 @@ struct ccsr_gur {
#define SCFG_BASE 0x01570000
#define SCFG_USB3PRM1CR 0x070
#define USB_TXVREFTUNE 0x9
+#define USB_SQRXTUNE 0xFC7FFFFF
/* Supplemental Configuration Unit */
--
2.1.0.27.g96db324
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