diff options
| author | Suresh Gupta <suresh.gupta@freescale.com> | 2016-10-13 15:09:56 (GMT) |
|---|---|---|
| committer | Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com> | 2017-07-19 05:46:34 (GMT) |
| commit | 41ebbd74d090e7b796106cfabbbbd153a458d07e (patch) | |
| tree | 503d09c2990f6e63aee96654eec8c95249df3809 /arch | |
| parent | ac6a6b21c4b3595cc9c32e0c5fe6466959a14365 (diff) | |
| download | u-boot-41ebbd74d090e7b796106cfabbbbd153a458d07e.tar.xz | |
armv7: Add workaround for USB erratum A-009008
USB High Speed (HS) EYE Height Adjustment
This patch is adding the erratum for LS1021.
Signed-off-by: Sriram Dash <sriram.dash@nxp.com>
Signed-off-by: yinbo.zhu <yinbo.zhu@nxp.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/armv7/ls102xa/Kconfig | 2 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/ls102xa/soc.c | 12 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h | 4 |
3 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/ls102xa/Kconfig b/arch/arm/cpu/armv7/ls102xa/Kconfig index b61f3cd..df539e9 100644 --- a/arch/arm/cpu/armv7/ls102xa/Kconfig +++ b/arch/arm/cpu/armv7/ls102xa/Kconfig @@ -14,6 +14,8 @@ config ARCH_LS1021A select SYS_FSL_HAS_SEC select SYS_FSL_SEC_COMPAT_5 select SYS_FSL_SEC_LE + select SYS_FSL_ERRATUM_A009008 + select SYS_FSL_ERRATUM_A009942 menu "LS102xA architecture" depends on ARCH_LS1021A diff --git a/arch/arm/cpu/armv7/ls102xa/soc.c b/arch/arm/cpu/armv7/ls102xa/soc.c index b84a1a6..e046049 100644 --- a/arch/arm/cpu/armv7/ls102xa/soc.c +++ b/arch/arm/cpu/armv7/ls102xa/soc.c @@ -60,6 +60,16 @@ unsigned int get_soc_major_rev(void) return major; } +static void erratum_a009008(void) +{ +#ifdef CONFIG_SYS_FSL_ERRATUM_A009008 + u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE; + u32 val = in_be32(scfg + SCFG_USB3PRM1CR / 4); + val &= ~(0xF << 6); + out_be32(scfg + SCFG_USB3PRM1CR / 4, val|(USB_TXVREFTUNE << 6)); +#endif /* CONFIG_SYS_FSL_ERRATUM_A009008 */ +} + void s_init(void) { } @@ -146,6 +156,8 @@ int arch_soc_init(void) */ out_be32(&scfg->eddrtqcfg, 0x63b20042); + /* Erratum */ + erratum_a009008(); return 0; } diff --git a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h index c34fd63..f474cfd 100644 --- a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h +++ b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h @@ -172,6 +172,10 @@ struct ccsr_gur { #define SCFG_PMCINTECR_ETSECERRG0 0x00080000 #define SCFG_PMCINTECR_ETSECERRG1 0x00040000 #define SCFG_CLUSTERPMCR_WFIL2EN 0x80000000 +#define SCFG_BASE 0x01570000 +#define SCFG_USB3PRM1CR 0x070 +#define USB_TXVREFTUNE 0x9 + /* Supplemental Configuration Unit */ struct ccsr_scfg { |