#define HCS_N_PORTS(p) (((p) >> 0) & 0xf)
uint32_t cr_hccparams;
uint8_t cr_hcsp_portrt[8];
-} __attribute__ ((packed));
+} __attribute__ ((packed, aligned(4)));
struct ehci_hcor {
uint32_t or_usbcmd;
#define FLAG_CF (1 << 0) /* true: we'll support "high speed" */
uint32_t or_portsc[CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS];
uint32_t or_systune;
-} __attribute__ ((packed));
+} __attribute__ ((packed, aligned(4)));
#define USBMODE 0x68 /* USB Device mode */
#define USBMODE_SDIS (1 << 3) /* Stream disable */
/* Queue Element Transfer Descriptor (qTD). */
struct qTD {
- uint32_t qt_next;
+ /* this part defined by EHCI spec */
+ uint32_t qt_next; /* see EHCI 3.5.1 */
#define QT_NEXT_TERMINATE 1
- uint32_t qt_altnext;
- uint32_t qt_token;
- uint32_t qt_buffer[5];
+ uint32_t qt_altnext; /* see EHCI 3.5.2 */
+ uint32_t qt_token; /* see EHCI 3.5.3 */
+ uint32_t qt_buffer[5]; /* see EHCI 3.5.4 */
+ uint32_t qt_buffer_hi[5]; /* Appendix B */
+ /* pad struct for 32 byte alignment */
+ uint32_t unused[3];
};
/* Queue Head (QH). */