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Fix some endianness issues related to the generic ohci driver

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This commit is contained in:
Markus Klotzbuecher
2006-11-27 11:46:46 +01:00
committed by Markus Klotzbuecher
parent 7b59b3c7a8
commit ae3b770e4e
3 changed files with 66 additions and 18 deletions
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9
include/configs/IceCube.h
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@@ -94,9 +94,16 @@
/* USB */
#if 1
#define CONFIG_USB_OHCI
#define CONFIG_USB_OHCI_NEW
#define ADD_USB_CMD CFG_CMD_USB | CFG_CMD_FAT
#define CONFIG_USB_STORAGE
#undef CFG_USB_OHCI_BOARD_INIT
#define CFG_USB_OHCI_CPU_INIT
#define CFG_USB_OHCI_REGS_BASE MPC5XXX_USB
#define CFG_USB_OHCI_SLOT_NAME "mpc5200"
#define CFG_USB_OHCI_MAX_ROOT_PORTS 15
#else
#define ADD_USB_CMD 0
#endif

15
include/usb.h
View File

@@ -230,16 +230,12 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate);
/* big endian -> little endian conversion */
/* some CPUs are already little endian e.g. the ARM920T */
#ifdef LITTLEENDIAN
#define swap_16(x) ((unsigned short)(x))
#define swap_32(x) ((unsigned long)(x))
#else
#define swap_16(x) \
#define __swap_16(x) \
({ unsigned short x_ = (unsigned short)x; \
(unsigned short)( \
((x_ & 0x00FFU) << 8) | ((x_ & 0xFF00U) >> 8) ); \
})
#define swap_32(x) \
#define __swap_32(x) \
({ unsigned long x_ = (unsigned long)x; \
(unsigned long)( \
((x_ & 0x000000FFUL) << 24) | \
@@ -247,6 +243,13 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate);
((x_ & 0x00FF0000UL) >> 8) | \
((x_ & 0xFF000000UL) >> 24) ); \
})
#ifdef LITTLEENDIAN
# define swap_16(x) (x)
# define swap_32(x) (x)
#else
# define swap_16(x) __swap_16(x)
# define swap_32(x) __swap_32(x)
#endif /* LITTLEENDIAN */
/*