cbp will be count up, but only with low speed devices (except my usb

[ppcskel.git] / usb / host / ohci.c

diff --git a/usb/host/ohci.c b/usb/host/ohci.c
index 4201b425258f3cad661816eb06cbd6e0683441ea..c0c13f9a7c1f7c63c0226204b70a7fe4798d2dfb 100644 (file)
--- a/usb/host/ohci.c
+++ b/usb/host/ohci.c
@@ -57,8 +57,9 @@ static struct general_td *allocate_general_td(size_t bsize)
        if(bsize == 0) {
                td->cbp = td->be = ACCESS_LE(0);
        } else {
-               td->cbp = ACCESS_LE(virt_to_phys(memalign(16, bsize))); //memailgn required here?
-               //td->cbp = ACCESS_LE(virt_to_phys(malloc(bsize)));
+               //td->cbp = ACCESS_LE(virt_to_phys(memalign(16, bsize))); //memailgn required here?
+               td->cbp = ACCESS_LE(virt_to_phys(malloc(bsize)));
+               memset(phys_to_virt(ACCESS_LE(td->cbp)), 0, bsize);
                td->be = ACCESS_LE(ACCESS_LE(td->cbp) + bsize - 1);
        }
        return td;
@@ -176,15 +177,17 @@ static void dbg_td_flag(u32 flag)
  * Enqueue a transfer descriptor.
  */
 u8 hcdi_enqueue(usb_transfer_descriptor *td) {
-       control_quirk(); //required? YES! :O
+       control_quirk(); //required? YES! :O ... erm... or no? :/
        u32 tmptdbuffer;
 
        static struct endpoint_descriptor dummyconfig;
+       memset(&dummyconfig, 0, 16);
        dummyconfig.flags = ACCESS_LE(OHCI_ENDPOINT_GENERAL_FORMAT);
        dummyconfig.headp = dummyconfig.tailp = dummyconfig.nexted = ACCESS_LE(0);
 
        printf( "===========================\n"
                        "===========================\n");
+       printf("td->buffer(1): 0x%08X\n", (void*)td->buffer);
        sync_before_read(&hcca_oh0, 256);
        printf("done head (nach sync): 0x%08X\n", ACCESS_LE(hcca_oh0.done_head));
        printf("HCCA->frame_no: %d\nhcca->hccapad1: %d\n",
@@ -209,12 +212,13 @@ u8 hcdi_enqueue(usb_transfer_descriptor *td) {
                        tmptd->flags |= ACCESS_LE(OHCI_TD_DIRECTION_PID_IN);
                        break;
        }
-       tmptd->flags |= ACCESS_LE((td->togl) ? OHCI_TD_TOGGLE_1 : OHCI_TD_TOGGLE_0);
+       tmptd->flags |= ACCESS_LE(((td->togl) ? OHCI_TD_TOGGLE_1 : OHCI_TD_TOGGLE_0) /*| OHCI_TD_BUFFER_ROUNDING*/);
+       //tmptd->flags |= ACCESS_LE(OHCI_TD_TOGGLE_1);
 
        printf("tmptd hexdump (before) 0x%08X:\n", tmptd);
        hexdump(tmptd, sizeof(struct general_td));
        //save buffer adress here; HC may change tmptd->cbp
-       tmptdbuffer = phys_to_virt(ACCESS_LE(tmptd->cbp)); 
+       tmptdbuffer = (u32) phys_to_virt(ACCESS_LE(tmptd->cbp)); 
        printf("tmptd->cbp hexdump (before) 0x%08X:\n", phys_to_virt(ACCESS_LE(tmptd->cbp)));
        hexdump((void*) phys_to_virt(ACCESS_LE(tmptd->cbp)), td->actlen);
 
@@ -240,21 +244,18 @@ u8 hcdi_enqueue(usb_transfer_descriptor *td) {
        set32(OHCI0_HC_CONTROL, OHCI_CTRL_CLE);
        write32(OHCI0_HC_COMMAND_STATUS, OHCI_CLF);
 
-       printf("+++++++++++++++++++++++++++++\n");
+       //printf("+++++++++++++++++++++++++++++\n");
        /* spin until the controller is done with the control list */
-       u32 current = read32(OHCI0_HC_CTRL_CURRENT_ED);
-       printf("current: 0x%08X\n", current);
+       //printf("current: 0x%08X\n", current);
 
        //don't use this quirk stuff here!
-#if 0
-       while(!current) {
-               udelay(2);
-               current = read32(OHCI0_HC_CTRL_CURRENT_ED);
+#if 1
+       while(!read32(OHCI0_HC_CTRL_CURRENT_ED)) {
        }
 #endif
 
        udelay(20000);
-       current = read32(OHCI0_HC_CTRL_CURRENT_ED);
+       u32 current = read32(OHCI0_HC_CTRL_CURRENT_ED);
        printf("current: 0x%08X\n", current);
        printf("+++++++++++++++++++++++++++++\n");
        udelay(20000);
@@ -280,12 +281,23 @@ u8 hcdi_enqueue(usb_transfer_descriptor *td) {
        printf("done head hexdump: 0x%08X\n", donetd);
        hexdump((void*) donetd, 16);
 
-       sync_before_read((void*) phys_to_virt(ACCESS_LE(tmptd->cbp)), td->actlen);
-       (void) memcpy((void*) (td->buffer), phys_to_virt(ACCESS_LE(tmptd->cbp)), td->actlen);
+       u32 newlen = 0;
+       if(td->actlen) {
+               sync_before_read((void*) tmptdbuffer, td->actlen);
+               newlen = (u32)phys_to_virt(ACCESS_LE(tmptd->cbp)) - tmptdbuffer;
+               printf("WOOOOT newlen: %d\n", newlen);
+               hexdump((void*) tmptdbuffer, newlen);
+       }
+
+       sync_before_read((void*) (phys_to_virt(ACCESS_LE(tmptd->cbp))-newlen), td->actlen);
+       printf("td->buffer: 0x%08X\np2v(A_L(tmptd->cbp: 0x%08X\ntd->actlen: %d\n", (void*) (td->buffer), phys_to_virt(ACCESS_LE(tmptd->cbp)), td->actlen);
+       (void) memcpy((void*) (td->buffer), phys_to_virt(ACCESS_LE(tmptd->cbp))-newlen, td->actlen);
 
        write32(OHCI0_HC_CONTROL, read32(OHCI0_HC_CONTROL)&~OHCI_CTRL_CLE);
        dummyconfig.headp = dummyconfig.tailp = dummyconfig.nexted = ACCESS_LE(0);
 
+       write32(OHCI0_HC_CTRL_HEAD_ED, virt_to_phys(0));
+
 
        /* 
         * TD should be free'd after taking it from the done queue.
@@ -293,9 +305,11 @@ u8 hcdi_enqueue(usb_transfer_descriptor *td) {
         */
 
        /* only when a buffer is allocated */
+#if 0
        if(td->actlen)
                free((void*)tmptdbuffer);
        free(tmptd);
+#endif
        return 0;
 }
 
@@ -404,7 +418,7 @@ static void setup_port(u32 reg, u8 from_init)
        if((port & RH_PS_CCS) && ((port & RH_PS_CSC) || from_init)) {
                write32(reg, RH_PS_CSC);
 
-               wait_ms(150);
+               wait_ms(120);
 
                /* clear CSC flag, set PES and start port reset (PRS) */
                write32(reg, RH_PS_PES);