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drivers : usb: fsl: Implement usb Erratum A007798 workaround

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Set TXFIFOTHRESH to adjust ddr pipeline delay for successful large
usb writes

Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
This commit is contained in:
Nikhil Badola
2014-10-17 09:12:07 +05:30
committed by York Sun
parent c26c80a1a4
commit f3dff695e1
4 changed files with 17 additions and 2 deletions
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11
include/fsl_usb.h
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@@ -139,6 +139,12 @@ static inline bool has_erratum_a007075(void)
}
return false;
}
static inline bool has_erratum_a007798(void)
{
return SVR_SOC_VER(get_svr()) == SVR_T4240 &&
IS_SVR_REV(get_svr(), 2, 0);
}
#else
static inline bool has_erratum_a006261(void)
{
@@ -150,5 +156,10 @@ static inline bool has_erratum_a007075(void)
return false;
}
static inline bool has_erratum_a007798(void)
{
return false;
}
#endif
#endif /*_ASM_FSL_USB_H_ */