From: Suresh Gupta suresh.gupta@freescale.com
USB3 LFPS Peak-Peak Differential Output Voltage Adjustment This patch is adding the erratum for LS1043 and LS2080 SoCs.
Signed-off-by: Sriram Dash sriram.dash@nxp.com Signed-off-by: Rajesh Bhagat rajesh.bhagat@nxp.com Signed-off-by: yinbo.zhu yinbo.zhu@nxp.com --- arch/arm/cpu/armv8/fsl-layerscape/Kconfig | 7 ++++++ arch/arm/cpu/armv8/fsl-layerscape/soc.c | 29 ++++++++++++++++++++++ .../include/asm/arch-fsl-layerscape/immap_lsch2.h | 4 +++ .../include/asm/arch-fsl-layerscape/immap_lsch3.h | 2 ++ 4 files changed, 42 insertions(+)
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig index aff66fb..a884ad2 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig +++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig @@ -6,6 +6,7 @@ config ARCH_LS1012A select SYS_FSL_MMDC select SYS_FSL_ERRATUM_A010315 select SYS_FSL_ERRATUM_A009798 + select SYS_FSL_ERRATUM_A008997 select ARCH_EARLY_INIT_R select BOARD_EARLY_INIT_F select SYS_FSL_HAS_CCI400 @@ -18,6 +19,7 @@ config ARCH_LS1043A select SYS_FSL_DDR_BE select SYS_FSL_DDR_VER_50 select SYS_FSL_ERRATUM_A008850 + select SYS_FSL_ERRATUM_A008997 select SYS_FSL_ERRATUM_A009660 select SYS_FSL_ERRATUM_A009798 select SYS_FSL_ERRATUM_A009663 @@ -41,6 +43,7 @@ config ARCH_LS1046A select SYS_FSL_ERRATUM_A008336 select SYS_FSL_ERRATUM_A008511 select SYS_FSL_ERRATUM_A008850 + select SYS_FSL_ERRATUM_A008997 select SYS_FSL_ERRATUM_A009801 select SYS_FSL_ERRATUM_A009803 select SYS_FSL_ERRATUM_A009942 @@ -72,6 +75,7 @@ config ARCH_LS1088A select SYS_FSL_ERRATUM_A009803 select SYS_FSL_ERRATUM_A009942 select SYS_FSL_ERRATUM_A010165 + select SYS_FSL_ERRATUM_A008997 select SYS_FSL_ERRATUM_A008511 select SYS_FSL_ERRATUM_A008850 select SYS_FSL_ERRATUM_A009798 @@ -106,6 +110,7 @@ config ARCH_LS2080A select SYS_FSL_ERRATUM_A008585 select SYS_FSL_ERRATUM_A009635 select SYS_FSL_ERRATUM_A009798 + select SYS_FSL_ERRATUM_A008997 select SYS_FSL_ERRATUM_A009663 select SYS_FSL_ERRATUM_A009801 select SYS_FSL_ERRATUM_A009803 @@ -121,6 +126,7 @@ config FSL_LSCH2 select SYS_FSL_HAS_SEC select SYS_FSL_SEC_COMPAT_5 select SYS_FSL_SEC_BE + select SYS_FSL_ERRATUM_A008997 select SYS_FSL_SRDS_1 select SYS_HAS_SERDES
@@ -128,6 +134,7 @@ config FSL_LSCH3 bool select SYS_FSL_SRDS_1 select SYS_HAS_SERDES + select SYS_FSL_ERRATUM_A008997
config FSL_MC_ENET bool "Management Complex network" diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c index 8d0f1b8..2b9eb54 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c @@ -47,6 +47,33 @@ scfg_out32(scfg + SCFG_USB3PRM1CR / 4, val & USB_SQRXTUNE); #endif /* CONFIG_SYS_FSL_ERRATUM_A009798 */ }
+static void erratum_a008997(void) +{ +#ifdef CONFIG_SYS_FSL_ERRATUM_A008997 +#if defined(CONFIG_LS1043A) || defined(CONFIG_LS1046A) + u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE; + u32 val = scfg_in32(scfg + SCFG_USB3PRM2CR_USB1 / 4); + val &= ~(0x7F << 9); + scfg_out32(scfg + SCFG_USB3PRM2CR_USB1 / 4, + val | (USB_PCSTXSWINGFULL << 9)); + val = scfg_in32(scfg + SCFG_USB3PRM2CR_USB2 / 4); + val &= ~(0x7F << 9); + scfg_out32(scfg + SCFG_USB3PRM2CR_USB2 / 4, + val | (USB_PCSTXSWINGFULL << 9)); + val = scfg_in32(scfg + SCFG_USB3PRM2CR_USB3 / 4); + val &= ~(0x7F << 9); + scfg_out32(scfg + SCFG_USB3PRM2CR_USB3 / 4, + val | (USB_PCSTXSWINGFULL << 9)); +#elif defined(CONFIG_LS2080A) || defined(CONFIG_LS2085A) + u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE; + u32 val = scfg_in32(scfg + SCFG_USB3PRM2CR / 4); + val &= ~(0x7F << 9); + scfg_out32(scfg + SCFG_USB3PRM2CR / 4, + val | (USB_PCSTXSWINGFULL << 9)); +#endif +#endif /* CONFIG_SYS_FSL_ERRATUM_A008997 */ +} + bool soc_has_dp_ddr(void) { struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); @@ -221,6 +248,7 @@ void fsl_lsch3_early_init_f(void) erratum_a008336(); erratum_a009008(); erratum_a009798(); + erratum_a008997(); #ifdef CONFIG_CHAIN_OF_TRUST /* In case of Secure Boot, the IBR configures the SMMU * to allow only Secure transactions. @@ -493,6 +521,7 @@ void fsl_lsch2_early_init_f(void) erratum_a009660(); erratum_a010539(); erratum_a009798(); + erratum_a008997(); } #endif
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h index 5763586..554def5 100644 --- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h +++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h @@ -198,8 +198,12 @@ struct ccsr_gur { #define FSL_CHASSIS2_DEVDISR2_10GEC1_2 0x00400000 #define FSL_CHASSIS2_DEVDISR2_10GEC1_3 0x80000000 #define FSL_CHASSIS2_DEVDISR2_10GEC1_4 0x40000000 +#define SCFG_BASE 0x01570000 +#define SCFG_USB3PRM1CR_USB1 0x070 +#define SCFG_USB3PRM2CR_USB1 0x074 #define SCFG_USB3PRM1CR_USB2 0x07C #define SCFG_USB3PRM1CR_USB3 0x088 +#define SCFG_USB3PRM2CR_USB3 0x08c #define USB_TXVREFTUNE 0x9 #define USB_SQRXTUNE 0xFC7FFFFF
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h index 5e458ae..c7c53b9 100644 --- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h +++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h @@ -139,9 +139,11 @@ /* Supplemental Configuration */ #define SCFG_BASE 0x01fc0000 #define SCFG_USB3PRM1CR 0x000 +#define SCFG_USB3PRM2CR 0x004 #define SCFG_USB3PRM1CR_INIT 0x27672b2a #define USB_TXVREFTUNE 0x9 #define USB_SQRXTUNE 0xFC7FFFFF +#define USB_PCSTXSWINGFULL 0x47 #define SCFG_QSPICLKCTLR 0x10
#define TP_ITYP_AV 0x00000001 /* Initiator available */