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drivers:usb: Check if USB Erratum A005697 is applicable on BSC913x 

Check if USB Erratum A005697 is applicable on BSC913x and
add corresponding  property in the device tree via device
tree fixup which is used by linux driver

Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
utp
Nikhil Badola 2015-03-17 18:16:33 +05:30 committed by York Sun
parent 0070459048
commit b4e78faab3
2 changed files with 27 additions and 0 deletions
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9
drivers/usb/host/ehci-fsl.c
View File

@ -263,6 +263,7 @@ void fdt_fixup_dr_usb(void *blob, bd_t *bd)
int usb_erratum_a006261_off = -1;
int usb_erratum_a007075_off = -1;
int usb_erratum_a007792_off = -1;
int usb_erratum_a005697_off = -1;
int usb_mode_off = -1;
int usb_phy_off = -1;
char str[5];
@ -346,6 +347,14 @@ void fdt_fixup_dr_usb(void *blob, bd_t *bd)
if (usb_erratum_a007792_off < 0)
return;
}
if (has_erratum_a005697()) {
usb_erratum_a005697_off = fdt_fixup_usb_erratum
(blob,
"fsl,usb-erratum-a005697",
usb_erratum_a005697_off);
if (usb_erratum_a005697_off < 0)
return;
}
}
}
#endif

18
include/fsl_usb.h
View File

@ -196,6 +196,19 @@ static inline bool has_erratum_a007792(void)
return false;
}
static inline bool has_erratum_a005697(void)
{
u32 svr = get_svr();
u32 soc = SVR_SOC_VER(svr);
switch (soc) {
case SVR_9131:
case SVR_9132:
return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 1, 1);
}
return false;
}
#else
static inline bool has_dual_phy(void)
{
@ -221,5 +234,10 @@ static inline bool has_erratum_a007792(void)
{
return false;
}
static inline bool has_erratum_a005697(void)
{
return false;
}
#endif
#endif /*_ASM_FSL_USB_H_ */