added debug defs
[ppcskel.git] / usb / host / ohci.c
index f7501c386613681792e88804e99ab6547022d599..d1bc81fa520895b5b8ea393b805b890f5f50a8de 100644 (file)
@@ -32,7 +32,6 @@ static struct endpoint_descriptor *allocate_endpoint();
 static struct general_td *allocate_general_td();
 static void control_quirk();
 static void dbg_op_state();
-//static void dbg_td_flag(u32 flag);
 static void configure_ports(u8 from_init);
 static void setup_port(u32 reg, u8 from_init);
 
@@ -203,8 +202,8 @@ static void general_td_fill(struct general_td *dest, const usb_transfer_descript
                        printf("pid_in\n");
                        dest->flags |= LE(OHCI_TD_DIRECTION_PID_IN);
                        if(src->maxp > src->actlen) {
-                               printf("round buffer!");
                                dest->flags |= LE(OHCI_TD_BUFFER_ROUNDING);
+                               printf("round buffer!");
                        }
                        /*
                         * let the endpoint do the togglestuff!
@@ -225,17 +224,21 @@ static void general_td_fill(struct general_td *dest, const usb_transfer_descript
        dest->flags |= LE(OHCI_TD_SET_DELAY_INTERRUPT(7));
 }
 
+#ifdef _DU_OHCI_F
 static void dump_address(void *addr, u32 size, const char* str)
 {
        printf("%s hexdump (%d) @ 0x%08X:\n", str, size, addr);
        hexdump(addr, size);
 }
+#endif
 
 static struct endpoint_descriptor _edhead;
 struct endpoint_descriptor *edhead = 0;
 void hcdi_fire()
 {
+#ifdef _DU_OHCI_F
        printf("<^>  <^>  <^> hcdi_fire(start)\n");
+#endif
 
        if(edhead == 0)
                return;
@@ -245,17 +248,22 @@ void hcdi_fire()
 
        /* sync it all */
        sync_after_write(edhead, sizeof(struct endpoint_descriptor));
+#ifdef _DU_OHCI_F
        dump_address(edhead, sizeof(struct endpoint_descriptor), "edhead(before)");
+#endif
 
        struct general_td *x = phys_to_virt(LE(edhead->headp) & OHCI_ENDPOINT_HEAD_MASK);
-       printf("STRUCT LEN: %d\n", sizeof(struct general_td));
        while(virt_to_phys(x)) {
                sync_after_write(x, sizeof(struct general_td));
+#ifdef _DU_OHCI_F
                dump_address(x, sizeof(struct general_td), "x(before)");
+#endif
 
                if(x->buflen > 0) {
                        sync_after_write((void*) phys_to_virt(LE(x->cbp)), x->buflen);
+#ifdef _DU_OHCI_F
                        dump_address((void*) phys_to_virt(LE(x->cbp)), x->buflen, "x->cbp(before)");
+#endif
                }
                x = phys_to_virt(LE(x->nexttd));
        }
@@ -268,48 +276,66 @@ void hcdi_fire()
        /* poll until edhead->headp is null */
        do {
                sync_before_read(edhead, sizeof(struct endpoint_descriptor));
+#ifdef _DU_OHCI_F
                printf("edhead->headp: 0x%08X\n", LE(edhead->headp));
+               udelay(10000);
+#endif
 
                /* if halted, debug output plz. will break the transfer */
                if((LE(edhead->headp) & OHCI_ENDPOINT_HALTED)) {
                        n = phys_to_virt(LE(edhead->headp)&~0xf);
                        prev = phys_to_virt((u32)prev);
+#ifdef _DU_OHCI_F
                        printf("halted!\n");
+#endif
 
                        sync_before_read((void*) n, sizeof(struct general_td));
+#ifdef _DU_OHCI_F
                        printf("n: 0x%08X\n", n);
                        dump_address(n, sizeof(struct general_td), "n(after)");
+#endif
                        if(n->buflen > 0) {
                                sync_before_read((void*) n->bufaddr, n->buflen);
+#ifdef _DU_OHCI_F
                                dump_address((void*) n->bufaddr, n->buflen, "n->bufaddr(after)");
+#endif
                        }
                        dbg_td_flag(LE(n->flags));
 
                        sync_before_read((void*) prev, sizeof(struct general_td));
+#ifdef _DU_OHCI_F
                        printf("prev: 0x%08X\n", prev);
                        dump_address(prev, sizeof(struct general_td), "prev(after)");
+#endif
                        if(prev->buflen >0) {
                                sync_before_read((void*) prev->bufaddr, prev->buflen);
+#ifdef _DU_OHCI_F
                                dump_address((void*) prev->bufaddr, prev->buflen, "prev->bufaddr(after)");
+#endif
                        }
+#ifdef _DU_OHCI_F
                        dbg_td_flag(LE(prev->flags));
-
                        printf("halted end!\n");
+#endif
                        return;
                }
                prev = (struct general_td*) (LE(edhead->headp)&~0xf);
        } while(LE(edhead->headp)&~0xf);
 
        n = phys_to_virt(read32(OHCI0_HC_DONE_HEAD) & ~1);
+#ifdef _DU_OHCI_F
        printf("hc_done_head: 0x%08X\n", read32(OHCI0_HC_DONE_HEAD));
+#endif
 
        prev = 0; next = 0;
        /* reverse done queue */
        while(virt_to_phys(n) && edhead->tdcount) {
                sync_before_read((void*) n, sizeof(struct general_td));
+#ifdef _DU_OHCI_F
                printf("n: 0x%08X\n", n);
                printf("next: 0x%08X\n", next);
                printf("prev: 0x%08X\n", prev);
+#endif
 
                next = n;
                n = (struct general_td*) phys_to_virt(LE(n->nexttd));
@@ -322,13 +348,18 @@ void hcdi_fire()
        n = next;
        prev = 0;
        while(virt_to_phys(n)) {
+#ifdef _DU_OHCI_F
                dump_address(n, sizeof(struct general_td), "n(after)");
-
+#endif
                if(n->buflen > 0) {
                        sync_before_read((void*) n->bufaddr, n->buflen);
+#ifdef _DU_OHCI_F
                        dump_address((void*) n->bufaddr, n->buflen, "n->bufaddr(after)");
+#endif
                }
+#ifdef _DU_OHCI_F
                dbg_td_flag(LE(n->flags));
+#endif
                prev = n;
                n = (struct general_td*) n->nexttd;
                free(prev);
@@ -341,14 +372,18 @@ void hcdi_fire()
 
        edhead = 0;
 
+#ifdef _DU_OHCI_F
        printf("<^>  <^>  <^> hcdi_fire(end)\n");
+#endif
 }
 
 /**
  * Enqueue a transfer descriptor.
  */
 u8 hcdi_enqueue(const usb_transfer_descriptor *td) {
+#ifdef _DU_OHCI_Q
        printf("*()*()*()*()*()*()*() hcdi_enqueue(start)\n");
+#endif
        if(!edhead) {
                edhead = &_edhead;
                memset(edhead, 0, sizeof(struct endpoint_descriptor));
@@ -378,11 +413,15 @@ u8 hcdi_enqueue(const usb_transfer_descriptor *td) {
                        n = phys_to_virt(LE(n->nexttd));
                }
                n->nexttd = LE(virt_to_phys((void*) ((u32)tdhw & OHCI_ENDPOINT_HEAD_MASK)));
+#ifdef _DU_OHCI_Q
                printf("n: 0x%08X\n", n);
                printf("n->nexttd: 0x%08X\n", phys_to_virt(LE(n->nexttd)));
+#endif
        }
 
+#ifdef _DU_OHCI_Q
        printf("*()*()*()*()*()*()*() hcdi_enqueue(end)\n");
+#endif
        return 0;
 }
 
@@ -475,15 +514,19 @@ void hcdi_init()
 
 static void configure_ports(u8 from_init)
 {
+#ifdef _DU_OHCI_RH
        printf("OHCI0_HC_RH_DESCRIPTOR_A:\t0x%08X\n", read32(OHCI0_HC_RH_DESCRIPTOR_A));
        printf("OHCI0_HC_RH_DESCRIPTOR_B:\t0x%08X\n", read32(OHCI0_HC_RH_DESCRIPTOR_B));
        printf("OHCI0_HC_RH_STATUS:\t\t0x%08X\n", read32(OHCI0_HC_RH_STATUS));
        printf("OHCI0_HC_RH_PORT_STATUS_1:\t0x%08X\n", read32(OHCI0_HC_RH_PORT_STATUS_1));
        printf("OHCI0_HC_RH_PORT_STATUS_2:\t0x%08X\n", read32(OHCI0_HC_RH_PORT_STATUS_2));
+#endif
 
        setup_port(OHCI0_HC_RH_PORT_STATUS_1, from_init);
        setup_port(OHCI0_HC_RH_PORT_STATUS_2, from_init);
+#ifdef _DU_OHCI_RH
        printf("configure_ports done\n");
+#endif
 }
 
 static void setup_port(u32 reg, u8 from_init)
@@ -497,7 +540,9 @@ static void setup_port(u32 reg, u8 from_init)
                /* clear CSC flag, set PES and start port reset (PRS) */
                write32(reg, RH_PS_PES);
                while(!(read32(reg) & RH_PS_PES)) {
+#ifdef _DU_OHCI_RH
                        printf("fu\n");
+#endif
                        return;
                }
 
@@ -505,7 +550,9 @@ static void setup_port(u32 reg, u8 from_init)
 
                /* spin until port reset is complete */
                while(!(read32(reg) & RH_PS_PRSC)); // hint: it may stuck here
+#ifdef _DU_OHCI_RH
                printf("loop done\n");
+#endif
 
                (void) usb_add_device();
        }