From b4e78faab3ce31543ca59a97f8d7d19d66ac608b Mon Sep 17 00:00:00 2001 From: Nikhil Badola Date: Tue, 17 Mar 2015 18:16:33 +0530 Subject: [PATCH] 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 Reviewed-by: York Sun --- drivers/usb/host/ehci-fsl.c | 9 +++++++++ include/fsl_usb.h | 18 ++++++++++++++++++ 2 files changed, 27 insertions(+) diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c index ed83eb4718..2dca5244be 100644 --- a/drivers/usb/host/ehci-fsl.c +++ b/drivers/usb/host/ehci-fsl.c @@ -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 diff --git a/include/fsl_usb.h b/include/fsl_usb.h index 92751dd827..33d9f03096 100644 --- a/include/fsl_usb.h +++ b/include/fsl_usb.h @@ -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_ */ -- 2.30.2