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Diffstat (limited to 'include/linux/usb/ehci_def.h')
-rw-r--r--include/linux/usb/ehci_def.h15
1 files changed, 10 insertions, 5 deletions
diff --git a/include/linux/usb/ehci_def.h b/include/linux/usb/ehci_def.h
index e49dfd4..7cc95ee 100644
--- a/include/linux/usb/ehci_def.h
+++ b/include/linux/usb/ehci_def.h
@@ -25,10 +25,15 @@
struct ehci_caps {
/* these fields are specified as 8 and 16 bit registers,
* but some hosts can't perform 8 or 16 bit PCI accesses.
+ * some hosts treat caplength and hciversion as parts of a 32-bit
+ * register, others treat them as two separate registers, this
+ * affects the memory map for big endian controllers.
*/
u32 hc_capbase;
-#define HC_LENGTH(p) (((p)>>00)&0x00ff) /* bits 7:0 */
-#define HC_VERSION(p) (((p)>>16)&0xffff) /* bits 31:16 */
+#define HC_LENGTH(ehci, p) (0x00ff&((p) >> /* bits 7:0 / offset 00h */ \
+ (ehci_big_endian_capbase(ehci) ? 24 : 0)))
+#define HC_VERSION(ehci, p) (0xffff&((p) >> /* bits 31:16 / offset 02h */ \
+ (ehci_big_endian_capbase(ehci) ? 0 : 16)))
u32 hcs_params; /* HCSPARAMS - offset 0x4 */
#define HCS_DEBUG_PORT(p) (((p)>>20)&0xf) /* bits 23:20, debug port? */
#define HCS_INDICATOR(p) ((p)&(1 << 16)) /* true: has port indicators */
@@ -52,7 +57,7 @@ struct ehci_caps {
#define HCC_PGM_FRAMELISTLEN(p) ((p)&(1 << 1)) /* true: periodic_size changes*/
#define HCC_64BIT_ADDR(p) ((p)&(1)) /* true: can use 64-bit addr */
u8 portroute[8]; /* nibbles for routing - offset 0xC */
-} __attribute__ ((packed));
+};
/* Section 2.3 Host Controller Operational Registers */
@@ -150,7 +155,7 @@ struct ehci_regs {
#define PORT_CSC (1<<1) /* connect status change */
#define PORT_CONNECT (1<<0) /* device connected */
#define PORT_RWC_BITS (PORT_CSC | PORT_PEC | PORT_OCC)
-} __attribute__ ((packed));
+};
#define USBMODE 0x68 /* USB Device mode */
#define USBMODE_SDIS (1<<3) /* Stream disable */
@@ -194,7 +199,7 @@ struct ehci_dbg_port {
u32 data47;
u32 address;
#define DBGP_EPADDR(dev, ep) (((dev)<<8)|(ep))
-} __attribute__ ((packed));
+};
#ifdef CONFIG_EARLY_PRINTK_DBGP
#include <linux/init.h>