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authorNikhil Badola <nikhil.badola@freescale.com>2014-02-26 17:43:15 +0530
committerYork Sun <yorksun@freescale.com>2014-04-22 17:58:48 -0700
commit11856919f267d00155f571c75dd68ba1bb98729b (patch)
tree9fa82f234f3245440a31bf30550711fae0b3bf87 /arch/powerpc/include/asm/fsl_errata.h
parentc60dee03c019be312e83fcab9c294c5a4cf7c1bd (diff)
downloadblackbird-obmc-uboot-11856919f267d00155f571c75dd68ba1bb98729b.tar.gz
blackbird-obmc-uboot-11856919f267d00155f571c75dd68ba1bb98729b.zip
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 <nikhil.badola@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
Diffstat (limited to 'arch/powerpc/include/asm/fsl_errata.h')
-rw-r--r--arch/powerpc/include/asm/fsl_errata.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/fsl_errata.h b/arch/powerpc/include/asm/fsl_errata.h
index c9982cc8ec..4eba85cc34 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
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