add macro for u32 little endian access from ppc

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

diff --git a/usb/host/ohci.c b/usb/host/ohci.c
index 5f964295e71cbc67ab9c4aef2952da713fcfec5f..ed71c40250dedda7a83fbc7ff34a92e41c81df24 100644 (file)
--- a/usb/host/ohci.c
+++ b/usb/host/ohci.c
@@ -18,6 +18,14 @@ Copyright (C) 2009     Sebastian Falbesoner <sebastian.falbesoner@gmail.com>
 #include "host.h"
 #include "../usbspec/usb11spec.h"
 
+// macro for accessing u32 variables that need to be in little endian byte order;
+// whenever you read or write from an u32 field that the ohci host controller
+// will read or write from too, use this macro for access!
+#define ACCESS_LE(dword) ( ((dword & 0xFF000000) >> 24) | \
+                          ((dword & 0x00FF0000) >> 8) | \
+                          ((dword & 0x0000FF00) << 8) |  \
+                          ((dword & 0x000000FF) << 24) )
+
 static struct ohci_hcca hcca_oh0;
 
 static struct endpoint_descriptor *allocate_endpoint()
@@ -151,8 +159,8 @@ u8 hcdi_enqueue(usb_transfer_descriptor *td) {
        sync_before_read(&hcca_oh0, 256);
        printf("done head (nach sync): 0x%08X\n", hcca_oh0.done_head);
 
-       struct general_td *tmptd = allocate_general_td(sizeof(td->actlen));
-       (void) memcpy((void*) phys_to_virt(tmptd->cbp), td->buffer, sizeof(td->actlen)); /* throws dsi exception after some time :X */
+       struct general_td *tmptd = allocate_general_td(td->actlen);
+       (void) memcpy((void*) phys_to_virt(tmptd->cbp), td->buffer, td->actlen); /* throws dsi exception after some time :X */
 
        tmptd->flags &= ~OHCI_TD_DIRECTION_PID_MASK;
        switch(td->pid) {
@@ -169,21 +177,31 @@ u8 hcdi_enqueue(usb_transfer_descriptor *td) {
                        tmptd->flags |= OHCI_TD_DIRECTION_PID_IN;
                        break;
        }
+       tmptd->flags |= (td->togl) ? OHCI_TD_TOGGLE_1 : OHCI_TD_TOGGLE_0;
 
        printf("tmptd hexump (before):\n");
        hexdump(tmptd, sizeof(struct general_td));
        printf("tmptd-cbp hexump (before):\n");
-       hexdump((void*) phys_to_virt(tmptd->cbp), sizeof(td->actlen));
+       hexdump((void*) phys_to_virt(tmptd->cbp), td->actlen);
 
-       sync_after_write((void*) (tmptd->cbp), sizeof(td->actlen));
+       sync_after_write((void*) (tmptd->cbp), td->actlen);
        sync_after_write(tmptd, sizeof(struct general_td));
 
        struct endpoint_descriptor *dummyconfig = allocate_endpoint();
 
+       u32 current2 = read32(OHCI0_HC_CTRL_CURRENT_ED);
+       printf("current2: 0x%08X\n", current2);
+
+#define ED_MASK2 ~0 /*((u32)~0x0f) */
+#define ED_MASK ((u32)~0x0f) 
        printf("tmpdt & ED_MASK: 0x%08X\n", virt_to_phys((void*) ((u32)tmptd & ED_MASK)));
-#define ED_MASK ((u32)~0x0f)
-       dummyconfig->tailp = /* dummyconfig->headp = */ virt_to_phys((void*) ((u32)tmptd & ED_MASK));
-//     dummyconfig->flags |= OHCI_ENDPOINT_DIRECTION_OUT;
+       dummyconfig->tailp = dummyconfig->headp = virt_to_phys((void*) ((u32)tmptd & ED_MASK));
+
+       dummyconfig->flags |= OHCI_ENDPOINT_LOW_SPEED | 
+               OHCI_ENDPOINT_SET_DEVICE_ADDRESS(td->devaddress) | 
+               OHCI_ENDPOINT_SET_ENDPOINT_NUMBER(td->endpoint) |
+               OHCI_ENDPOINT_SET_MAX_PACKET_SIZE(td->maxp);
+
        sync_after_write(dummyconfig, 64);
        write32(OHCI0_HC_CTRL_HEAD_ED, virt_to_phys(dummyconfig));
 
@@ -220,9 +238,9 @@ u8 hcdi_enqueue(usb_transfer_descriptor *td) {
        printf("tmptd hexump (after):\n");
        hexdump(tmptd, sizeof(struct general_td));
 
-       sync_before_read((void*) (tmptd->cbp), sizeof(td->actlen));
+       sync_before_read((void*) (tmptd->cbp), td->actlen);
        printf("tmptd-cbp hexump (after):\n");
-       hexdump((void*) (tmptd->cbp), sizeof(td->actlen));
+       hexdump((void*) phys_to_virt(tmptd->cbp), td->actlen);
 
        printf("done head (vor sync): 0x%08X\n", hcca_oh0.done_head);
        sync_before_read(&hcca_oh0, 256);