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

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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>
This commit is contained in:
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_ */