#include "host.h"
#include "../usbspec/usb11spec.h"
-/* activate control_quirk (from MIKE) */
-//#define _USE_C_Q
+/* activate control_quirk */
+#define _USE_C_Q
/* macro for accessing u32 variables that need to be in little endian byte order;
*
static struct ohci_hcca hcca_oh0;
-#ifdef _USE_C_Q
-static struct endpoint_descriptor *allocate_endpoint()
-{
- struct endpoint_descriptor *ep;
- ep = (struct endpoint_descriptor *)memalign(16, sizeof(struct endpoint_descriptor));
- memset(ep, 0, sizeof(struct endpoint_descriptor));
- ep->flags = LE(OHCI_ENDPOINT_GENERAL_FORMAT);
- ep->headp = ep->tailp = ep->nexted = LE(0);
- return ep;
-}
-#endif
-
static struct general_td *allocate_general_td()
{
struct general_td *td;
return td;
}
-#ifdef _USE_C_Q
-static void control_quirk()
-{
- static struct endpoint_descriptor *ed = 0; /* empty ED */
- static struct general_td *td = 0; /* dummy TD */
- u32 head;
- u32 current;
- u32 status;
-
- /*
- * One time only.
- * Allocate and keep a special empty ED with just a dummy TD.
- */
- if (!ed) {
- ed = allocate_endpoint();
- if (!ed)
- return;
-
- td = allocate_general_td(0);
- if (!td) {
- free(ed);
- ed = NULL;
- return;
- }
-
- ed->tailp = ed->headp = LE(virt_to_phys((void*) ((u32)td & OHCI_ENDPOINT_HEAD_MASK)));
- ed->flags |= LE(OHCI_ENDPOINT_DIRECTION_OUT);
- }
-
- /*
- * The OHCI USB host controllers on the Nintendo Wii
- * video game console stop working when new TDs are
- * added to a scheduled control ED after a transfer has
- * has taken place on it.
- *
- * Before scheduling any new control TD, we make the
- * controller happy by always loading a special control ED
- * with a single dummy TD and letting the controller attempt
- * the transfer.
- * The controller won't do anything with it, as the special
- * ED has no TDs, but it will keep the controller from failing
- * on the next transfer.
- */
- head = read32(OHCI0_HC_CTRL_HEAD_ED);
- if (head) {
- printf("head: 0x%08X\n", head);
- /*
- * Load the special empty ED and tell the controller to
- * process the control list.
- */
- sync_after_write(ed, 16);
- sync_after_write(td, 16);
- write32(OHCI0_HC_CTRL_HEAD_ED, virt_to_phys(ed));
-
- status = read32(OHCI0_HC_CONTROL);
- set32(OHCI0_HC_CONTROL, OHCI_CTRL_CLE);
- write32(OHCI0_HC_COMMAND_STATUS, OHCI_CLF);
-
- /* spin until the controller is done with the control list */
- current = read32(OHCI0_HC_CTRL_CURRENT_ED);
- while(!current) {
- udelay(10);
- current = read32(OHCI0_HC_CTRL_CURRENT_ED);
- }
-
- printf("current: 0x%08X\n", current);
-
- /* restore the old control head and control settings */
- write32(OHCI0_HC_CONTROL, status);
- write32(OHCI0_HC_CTRL_HEAD_ED, head);
- } else {
- printf("nohead!\n");
- }
-}
-#endif
-
static void dbg_op_state()
{
}
}
+#ifdef _DU_OHCI_Q
static void dbg_td_flag(u32 flag)
{
printf("**************** dbg_td_flag: 0x%08X ***************\n", flag);
printf(" R: %X\n", (flag>>18)&1);
printf("********************************************************\n");
}
+#endif
static void general_td_fill(struct general_td *dest, const usb_transfer_descriptor *src)
{
return;
#ifdef _USE_C_Q
- required? YES! :O ... erm... or no? :/ ... in fact I have no idea
- control_quirk();
+ /* quirk... 11ms seems to be a minimum :O */
+ udelay(11000);
#endif
write32(OHCI0_HC_CTRL_HEAD_ED, virt_to_phys(edhead));
dump_address((void*) n->bufaddr, n->buflen, "n->bufaddr(after)");
#endif
}
+#ifdef _DU_OHCI_F
dbg_td_flag(LE(n->flags));
+#endif
sync_before_read((void*) prev, sizeof(struct general_td));
#ifdef _DU_OHCI_F