diff options
Diffstat (limited to 'payloads/libpayload/drivers/usb/xhci_debug.c')
| -rw-r--r-- | payloads/libpayload/drivers/usb/xhci_debug.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/payloads/libpayload/drivers/usb/xhci_debug.c b/payloads/libpayload/drivers/usb/xhci_debug.c new file mode 100644 index 0000000000..ba644c62cf --- /dev/null +++ b/payloads/libpayload/drivers/usb/xhci_debug.c @@ -0,0 +1,136 @@ +/* + * 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(SPEED, *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->all_eps[i]); + } +} + +void +xhci_dump_inputctx(const inputctx_t *const ic) +{ + xhci_debug("Input Control add: 0x%08"PRIx32"\n", ic->control.add); + xhci_debug("Input Control drop: 0x%08"PRIx32"\n", ic->control.drop); + xhci_dump_devctx(&ic->dev, ic->control.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 |