[U-Boot] [PATCH] armv8: Workaround for USB erratua on LS1012A
Ran Wang
ran.wang_1 at nxp.com
Mon Nov 13 08:14:48 UTC 2017
This is suplement for patch which handle below errata:
A-009007, A-009008, A-008997, A-009798
Signed-off-by: Ran Wang <ran.wang_1 at nxp.com>
---
arch/arm/cpu/armv8/fsl-layerscape/Kconfig | 4 ++++
arch/arm/cpu/armv8/fsl-layerscape/soc.c | 27 ++++++++++++++++++++-------
2 files changed, 24 insertions(+), 7 deletions(-)
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
index 8bbc981d43..d2afdb3afa 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
+++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
@@ -5,6 +5,10 @@ config ARCH_LS1012A
select SYS_FSL_DDR_BE
select SYS_FSL_MMDC
select SYS_FSL_ERRATUM_A010315
+ select SYS_FSL_ERRATUM_A009798
+ select SYS_FSL_ERRATUM_A008997
+ select SYS_FSL_ERRATUM_A009007
+ select SYS_FSL_ERRATUM_A009008
select ARCH_EARLY_INIT_R
select BOARD_EARLY_INIT_F
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
index 497a4b541d..ae57c0e31d 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
@@ -66,10 +66,13 @@ 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)
+#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
+ defined(CONFIG_ARCH_LS1012A)
set_usb_txvreftune(scfg, SCFG_USB3PRM1CR_USB1);
+#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
set_usb_txvreftune(scfg, SCFG_USB3PRM1CR_USB2);
set_usb_txvreftune(scfg, SCFG_USB3PRM1CR_USB3);
+#endif
#elif defined(CONFIG_ARCH_LS2080A)
set_usb_txvreftune(scfg, SCFG_USB3PRM1CR);
#endif
@@ -87,17 +90,21 @@ static void erratum_a009798(void)
#ifdef CONFIG_SYS_FSL_ERRATUM_A009798
u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
-#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
+#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
+ defined(CONFIG_ARCH_LS1012A)
set_usb_sqrxtune(scfg, SCFG_USB3PRM1CR_USB1);
+#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
set_usb_sqrxtune(scfg, SCFG_USB3PRM1CR_USB2);
set_usb_sqrxtune(scfg, SCFG_USB3PRM1CR_USB3);
+#endif
#elif defined(CONFIG_ARCH_LS2080A)
set_usb_sqrxtune(scfg, SCFG_USB3PRM1CR);
#endif
#endif /* CONFIG_SYS_FSL_ERRATUM_A009798 */
}
-#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
+#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
+ defined(CONFIG_ARCH_LS1012A)
static inline void set_usb_pcstxswingfull(u32 __iomem *scfg, u32 offset)
{
scfg_clrsetbits32(scfg + offset / 4,
@@ -109,17 +116,21 @@ static inline void set_usb_pcstxswingfull(u32 __iomem *scfg, u32 offset)
static void erratum_a008997(void)
{
#ifdef CONFIG_SYS_FSL_ERRATUM_A008997
-#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
+#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
+ defined(CONFIG_ARCH_LS1012A)
u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
set_usb_pcstxswingfull(scfg, SCFG_USB3PRM2CR_USB1);
+#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
set_usb_pcstxswingfull(scfg, SCFG_USB3PRM2CR_USB2);
set_usb_pcstxswingfull(scfg, SCFG_USB3PRM2CR_USB3);
#endif
+#endif
#endif /* CONFIG_SYS_FSL_ERRATUM_A008997 */
}
-#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
+#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
+ defined(CONFIG_ARCH_LS1012A)
#define PROGRAM_USB_PHY_RX_OVRD_IN_HI(phy) \
out_be16((phy) + SCFG_USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_1); \
@@ -139,16 +150,18 @@ static void erratum_a008997(void)
static void erratum_a009007(void)
{
-#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
+#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A) || \
+ defined(CONFIG_ARCH_LS1012A)
void __iomem *usb_phy = (void __iomem *)SCFG_USB_PHY1;
PROGRAM_USB_PHY_RX_OVRD_IN_HI(usb_phy);
-
+#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)
usb_phy = (void __iomem *)SCFG_USB_PHY2;
PROGRAM_USB_PHY_RX_OVRD_IN_HI(usb_phy);
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)
void __iomem *dcsr = (void __iomem *)DCSR_BASE;
--
2.14.1
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