a73b93157f
It encourages users from writing to the FSF without giving an address. Linux also prefers to drop that and their checkpatch.pl (that we imported) looks out for that. This is the result of util/scripts/no-fsf-addresses.sh with no further editing. Change-Id: Ie96faea295fe001911d77dbc51e9a6789558fbd6 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-on: http://review.coreboot.org/11888 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2006 Eric Biederman (ebiederm@xmission.com)
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* Copyright (C) 2007 AMD
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <console/usb.h>
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#include "ehci_debug.h"
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static void usbdebug_tx_byte(struct dbgp_pipe *pipe, unsigned char data)
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{
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if (!dbgp_try_get(pipe))
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return;
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pipe->buf[pipe->bufidx++] = data;
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if (pipe->bufidx >= 8) {
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dbgp_bulk_write_x(pipe, pipe->buf, pipe->bufidx);
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pipe->bufidx = 0;
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}
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dbgp_put(pipe);
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}
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static void usbdebug_tx_flush(struct dbgp_pipe *pipe)
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{
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if (!dbgp_try_get(pipe))
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return;
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if (pipe->bufidx > 0) {
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dbgp_bulk_write_x(pipe, pipe->buf, pipe->bufidx);
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pipe->bufidx = 0;
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}
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dbgp_put(pipe);
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}
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static unsigned char usbdebug_rx_byte(struct dbgp_pipe *pipe)
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{
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unsigned char data = 0xff;
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if (!dbgp_try_get(pipe))
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return 0xff;
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while (pipe->bufidx >= pipe->buflen) {
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pipe->buflen = 0;
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pipe->bufidx = 0;
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int count = dbgp_bulk_read_x(pipe, pipe->buf, 8);
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if (count>0)
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pipe->buflen = count;
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}
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data = pipe->buf[pipe->bufidx++];
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dbgp_put(pipe);
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return data;
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}
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void usb_tx_byte(int idx, unsigned char data)
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{
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usbdebug_tx_byte(dbgp_console_output(), data);
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}
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void usb_tx_flush(int idx)
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{
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usbdebug_tx_flush(dbgp_console_output());
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}
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unsigned char usb_rx_byte(int idx)
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{
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return usbdebug_rx_byte(dbgp_console_input());
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}
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int usb_can_rx_byte(int idx)
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{
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return dbgp_ep_is_active(dbgp_console_input());
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}
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