From 11856919f267d00155f571c75dd68ba1bb98729b Mon Sep 17 00:00:00 2001 From: Nikhil Badola Date: Wed, 26 Feb 2014 17:43:15 +0530 Subject: fsl/usb: Workaround for USB erratum-A007075 Put a delay of 5 millisecond after reset so that ULPI phy gets enough time to come out of reset. Erratum A007075 applies to following SOCs and their variants, if any P1010 rev 1.0 B4860 rev 1.0, 2.0 P4080 rev 2.0, 3.0 Signed-off-by: Nikhil Badola Reviewed-by: York Sun --- arch/powerpc/include/asm/fsl_errata.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'arch/powerpc/include/asm/fsl_errata.h') diff --git a/arch/powerpc/include/asm/fsl_errata.h b/arch/powerpc/include/asm/fsl_errata.h index c9982cc..4eba85c 100644 --- a/arch/powerpc/include/asm/fsl_errata.h +++ b/arch/powerpc/include/asm/fsl_errata.h @@ -60,4 +60,20 @@ static inline bool has_erratum_a006261(void) } #endif +static inline bool has_erratum_a007075(void) +{ + u32 svr = get_svr(); + u32 soc = SVR_SOC_VER(svr); + + switch (soc) { + case SVR_B4860: + case SVR_B4420: + return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 2, 0); + case SVR_P1010: + return IS_SVR_REV(svr, 1, 0); + case SVR_P4080: + return IS_SVR_REV(svr, 2, 0) || IS_SVR_REV(svr, 3, 0); + } + return false; +} #endif -- cgit v1.1