From 819163c44e51e604d43ea7e0474b5e106c7ac088 Mon Sep 17 00:00:00 2001 From: Ran Wang Date: Mon, 13 Nov 2017 16:14:48 +0800 Subject: [PATCH] armv8: Workaround for USB erratua on LS1012A This is suplement for patch which handle below errata: A-009007, A-009008, A-008997, A-009798 Signed-off-by: Ran Wang Reviewed-by: York Sun --- 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 5daf79e..4866550 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 497a4b5..ae57c0e 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; -- 2.7.4