82704c63b9
EHCI debug allows to send message with 8 bytes length, but we're only sending one byte in each transaction. Buffer up to 8 bytes to speed up debug output. Change-Id: I9dbb406833c4966c3afbd610e1b13a8fa3d62f39 Signed-off-by: Sven Schnelle <svens@stackframe.org> Reviewed-on: http://review.coreboot.org/1357 Tested-by: build bot (Jenkins) Reviewed-by: Nico Huber <nico.huber@secunet.com>
51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2007 AMD
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* Written by Yinghai Lu <yinghai.lu@amd.com> for 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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
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*/
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#ifndef USBDEBUG_H
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#define USBDEBUG_H
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#include <ehci.h>
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struct ehci_debug_info {
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void *ehci_caps;
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void *ehci_regs;
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void *ehci_debug;
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u32 devnum;
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u32 endpoint_out;
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u32 endpoint_in;
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char buf[8];
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u8 bufidx;
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};
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#ifndef __ROMCC__
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void enable_usbdebug(unsigned int port);
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int dbgp_bulk_write_x(struct ehci_debug_info *dbg_info, const char *bytes, int size);
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int dbgp_bulk_read_x(struct ehci_debug_info *dbg_info, void *data, int size);
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void set_ehci_base(unsigned ehci_base);
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void set_ehci_debug(unsigned ehci_debug);
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unsigned get_ehci_debug(void);
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void set_debug_port(unsigned port);
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int early_usbdebug_init(void);
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void usbdebug_tx_byte(struct ehci_debug_info *info, unsigned char data);
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void usbdebug_tx_flush(struct ehci_debug_info *info);
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int usbdebug_init(unsigned ehci_bar, unsigned offset, struct ehci_debug_info *info);
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#endif
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#endif
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