coreboot-kgpe-d16/payloads/libpayload/drivers/usb/xhci_debug.c

137 lines
4.0 KiB
C

/*
* This file is part of the libpayload project.
*
* Copyright (C) 2013 secunet Security Networks AG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <inttypes.h>
#include "xhci_private.h"
#ifdef XHCI_DUMPS
void
xhci_dump_slotctx(const slotctx_t *const sc)
{
xhci_debug("Slot Context (@%p):\n", sc);
usb_debug(" FIELD1\t0x%08"PRIx32"\n", sc->f1);
usb_debug(" FIELD2\t0x%08"PRIx32"\n", sc->f2);
usb_debug(" FIELD3\t0x%08"PRIx32"\n", sc->f3);
usb_debug(" FIELD4\t0x%08"PRIx32"\n", sc->f4);
SC_DUMP(ROUTE, sc);
SC_DUMP(SPEED1, sc);
SC_DUMP(MTT, sc);
SC_DUMP(HUB, sc);
SC_DUMP(CTXENT, sc);
SC_DUMP(RHPORT, sc);
SC_DUMP(NPORTS, sc);
SC_DUMP(TTID, sc);
SC_DUMP(TTPORT, sc);
SC_DUMP(TTT, sc);
SC_DUMP(UADDR, sc);
SC_DUMP(STATE, sc);
}
void
xhci_dump_epctx(const epctx_t *const ec)
{
xhci_debug("Endpoint Context (@%p):\n", ec);
usb_debug(" FIELD1\t0x%08"PRIx32"\n", ec->f1);
usb_debug(" FIELD2\t0x%08"PRIx32"\n", ec->f2);
usb_debug(" TRDQ_L\t0x%08"PRIx32"\n", ec->tr_dq_low);
usb_debug(" TRDQ_H\t0x%08"PRIx32"\n", ec->tr_dq_high);
usb_debug(" FIELD5\t0x%08"PRIx32"\n", ec->f5);
EC_DUMP(STATE, ec);
EC_DUMP(INTVAL, ec);
EC_DUMP(CERR, ec);
EC_DUMP(TYPE, ec);
EC_DUMP(MBS, ec);
EC_DUMP(MPS, ec);
EC_DUMP(DCS, ec);
EC_DUMP(AVRTRB, ec);
EC_DUMP(MXESIT, ec);
}
void
xhci_dump_devctx(const devctx_t *const dc, const u32 ctx_mask)
{
int i;
if (ctx_mask & 1)
xhci_dump_slotctx(dc->slot);
for (i = 0; i < SC_GET(CTXENT, dc->slot); ++i) {
if (ctx_mask & (2 << i))
xhci_dump_epctx(dc->ep[i]);
}
}
void
xhci_dump_inputctx(const inputctx_t *const ic)
{
xhci_debug("Input Control add: 0x%08"PRIx32"\n", *ic->add);
xhci_debug("Input Control drop: 0x%08"PRIx32"\n", *ic->drop);
xhci_dump_devctx(&ic->dev, *ic->add);
}
void
xhci_dump_transfer_trb(const trb_t *const cur)
{
xhci_debug("Transfer TRB (@%p):\n", cur);
usb_debug(" PTR_L\t0x%08"PRIx32"\n", cur->ptr_low);
usb_debug(" PTR_H\t0x%08"PRIx32"\n", cur->ptr_high);
usb_debug(" STATUS\t0x%08"PRIx32"\n", cur->status);
usb_debug(" CNTRL\t0x%08"PRIx32"\n", cur->control);
TRB_DUMP(TL, cur);
TRB_DUMP(TDS, cur);
TRB_DUMP(C, cur);
TRB_DUMP(ISP, cur);
TRB_DUMP(CH, cur);
TRB_DUMP(IOC, cur);
TRB_DUMP(IDT, cur);
TRB_DUMP(TT, cur);
TRB_DUMP(DIR, cur);
}
static const trb_t *
xhci_next_trb(const trb_t *const cur)
{
if (TRB_GET(TT, cur) == TRB_LINK)
return (!cur->ptr_low) ? NULL : phys_to_virt(cur->ptr_low);
else
return cur + 1;
}
void
xhci_dump_transfer_trbs(const trb_t *const first, const trb_t *const last)
{
const trb_t *cur;
for (cur = first; cur; cur = xhci_next_trb(cur)) {
xhci_dump_transfer_trb(cur);
if (cur == last)
break;
}
}
#endif