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| author | Suresh Gupta <suresh.gupta@freescale.com> | 2016-10-14 06:41:59 (GMT) |
|---|---|---|
| committer | Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com> | 2017-08-17 11:29:08 (GMT) |
| commit | 39aba2257d019528a9c05085634ac50981862bc5 (patch) | |
| tree | 1c51b3e42c672ace3a25a4973fe0fefabd0388e9 /arch/arm/cpu | |
| parent | be78d71880d4ea88bc42d7ea654c8517f9057c9a (diff) | |
| download | u-boot-39aba2257d019528a9c05085634ac50981862bc5.tar.xz | |
armv8: Add workaround for USB erratum A-009008
USB High Speed (HS) EYE Height Adjustment
This patch is adding the erratum for LS1043 and LS2080 SoCs.
But miss LS1088A due to code base not support LS1088A yet,
need to be added in arch/arm/cpu/armv8/fsl-layerscape/Kconfig
in the future.
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>
Signed-off-by: ran.wang <ran.wang_1@nxp.com>
Diffstat (limited to 'arch/arm/cpu')
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/Kconfig | 5 | ||||
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/soc.c | 26 |
2 files changed, 31 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig index 096137c..a14708d 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig +++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig @@ -9,6 +9,7 @@ config ARCH_LS1012A 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 @@ -30,6 +31,7 @@ config ARCH_LS1043A select SYS_FSL_ERRATUM_A010315 select SYS_FSL_ERRATUM_A010539 select SYS_FSL_ERRATUM_A009007 + select SYS_FSL_ERRATUM_A009008 select SYS_FSL_HAS_DDR3 select SYS_FSL_HAS_DDR4 select ARCH_EARLY_INIT_R @@ -53,6 +55,7 @@ config ARCH_LS1046A select SYS_FSL_ERRATUM_A010539 select SYS_FSL_ERRATUM_A009798 select SYS_FSL_ERRATUM_A009007 + select SYS_FSL_ERRATUM_A009008 select SYS_FSL_HAS_DDR4 select SYS_FSL_SRDS_2 select ARCH_EARLY_INIT_R @@ -101,6 +104,7 @@ config FSL_LSCH2 select SYS_FSL_SEC_BE select SYS_FSL_ERRATUM_A008997 select SYS_FSL_ERRATUM_A009007 + select SYS_FSL_ERRATUM_A009008 select SYS_FSL_SRDS_1 select SYS_HAS_SERDES @@ -110,6 +114,7 @@ config FSL_LSCH3 select SYS_HAS_SERDES select SYS_FSL_ERRATUM_A008997 select SYS_FSL_ERRATUM_A009007 + select SYS_FSL_ERRATUM_A009008 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 b6408cd..c5ea47d 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c @@ -26,6 +26,30 @@ DECLARE_GLOBAL_DATA_PTR; +static void erratum_a009008(void) +{ +#ifdef CONFIG_SYS_FSL_ERRATUM_A009008 +#if defined(CONFIG_LS1043A) || defined(CONFIG_LS1046A) +u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE; +u32 val = scfg_in32(scfg + SCFG_USB3PRM1CR_USB1 / 4); +val &= ~(0xF << 6); +scfg_out32(scfg + SCFG_USB3PRM1CR_USB1 / 4, val|(USB_TXVREFTUNE << 6)); +val = scfg_in32(scfg + SCFG_USB3PRM1CR_USB2 / 4); +val &= ~(0xF << 6); +scfg_out32(scfg + SCFG_USB3PRM1CR_USB2 / 4, val|(USB_TXVREFTUNE << 6)); +val = scfg_in32(scfg + SCFG_USB3PRM1CR_USB3 / 4); +val &= ~(0xF << 6); +scfg_out32(scfg + SCFG_USB3PRM1CR_USB3 / 4, val|(USB_TXVREFTUNE << 6)); +#elif defined(CONFIG_LS2080A) || defined(CONFIG_LS2085A) +u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE; +u32 val = scfg_in32(scfg + SCFG_USB3PRM1CR / 4); +val &= ~(0xF << 6); +scfg_out32(scfg + SCFG_USB3PRM1CR / 4, val|(USB_TXVREFTUNE << 6)); +#endif +#endif /* CONFIG_SYS_FSL_ERRATUM_A009008 */ +} + + static void erratum_a009798(void) { #ifdef CONFIG_SYS_FSL_ERRATUM_A009798 @@ -286,6 +310,7 @@ void fsl_lsch3_early_init_f(void) erratum_a008514(); erratum_a008336(); erratum_a009008(); + erratum_a009008(); erratum_a009798(); erratum_a008997(); erratum_a009007(); @@ -564,6 +589,7 @@ void fsl_lsch2_early_init_f(void) erratum_a009929(); erratum_a009660(); erratum_a010539(); + erratum_a009008(); erratum_a009798(); erratum_a008997(); erratum_a009007(); |