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Some USB debug updates, mostly comments fixing, license header updates 

and refactoring

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Peter Stuge <peter@stuge.se>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4447 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer 2009-07-21 21:20:45 +00:00 committed by Stefan Reinauer
parent 4fbefdd1a9
commit bb01f600c8
4 changed files with 120 additions and 34 deletions
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36
src/console/usbdebug_direct_console.c
View File

@ -1,19 +1,40 @@
/*
* This file is part of the coreboot project.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
*/
#include <string.h>
#include <console/console.h>
#include <usbdebug_direct.h>
#include <pc80/mc146818rtc.h>
struct ehci_debug_info dbg_info;
static struct ehci_debug_info dbg_info;
void set_ehci_base(unsigned ehci_base)
{
unsigned diff;
if(!dbg_info.ehci_debug) return;
if (!dbg_info.ehci_debug)
return;
diff = dbg_info.ehci_caps - ehci_base;
dbg_info.ehci_regs -= diff;
dbg_info.ehci_debug -= diff;
dbg_info.ehci_caps = ehci_base;
}
void set_ehci_debug(unsigned ehci_debug)
{
dbg_info.ehci_debug = ehci_debug;
@ -27,7 +48,13 @@ unsigned get_ehci_debug(void)
static void dbgp_init(void)
{
struct ehci_debug_info *dbg_infox;
dbg_infox = (struct ehci_debug_info *)((CONFIG_LB_MEM_TOPK<<10) - sizeof (struct ehci_debug_info)); //in RAM
/* At this point, all we have to do is copy the fixed address
* debug_info data structure to our version defined above. */
dbg_infox = (struct ehci_debug_info *)
((CONFIG_LB_MEM_TOPK << 10) - sizeof(struct ehci_debug_info));
memcpy(&dbg_info, dbg_infox, sizeof(struct ehci_debug_info));
}
@ -40,8 +67,10 @@ static void dbgp_tx_byte(unsigned char data)
static unsigned char dbgp_rx_byte(void)
{
unsigned char data = 0xff;
if (dbg_info.ehci_debug)
dbgp_bulk_read_x(&dbg_info, &data, 1);
return data;
}
@ -56,4 +85,3 @@ static const struct console_driver usbdebug_direct_console __console = {
.rx_byte = dbgp_rx_byte,
.tst_byte = dbgp_tst_byte,
};

19
src/include/usbdebug_direct.h
View File

@ -1,3 +1,20 @@
/*
* This file is part of the coreboot project.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
*/
#ifndef USBDEBUG_DIRECT_H
#define USBDEBUG_DIRECT_H
@ -9,10 +26,12 @@ struct ehci_debug_info {
unsigned endpoint_out;
unsigned endpoint_in;
};
int dbgp_bulk_write_x(struct ehci_debug_info *dbg_info, const char *bytes, int size);
int dbgp_bulk_read_x(struct ehci_debug_info *dbg_info, void *data, int size);
void set_ehci_base(unsigned ehci_base);
void set_ehci_debug(unsigned ehci_deug);
unsigned get_ehci_debug(void);
void set_debug_port(unsigned port);
#endif

19
src/lib/usbdebug_direct.c
View File

@ -1,10 +1,22 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2006 Eric Biederman (ebiederm@xmission.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 as published by the Free Software Foundation.
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
*/
/*
* 2006.12.10 yhlu moved it to corbeoot and use struct instead
*/
#ifndef __ROMCC__
@ -15,7 +27,6 @@
#endif
#endif
#include <arch/io.h>
#include <usb_ch9.h>

36
src/pc80/usbdebug_direct_serial.c
View File

@ -1,24 +1,52 @@
/*
* This file is part of the coreboot project.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
*/
#include <part/fallback_boot.h>
#include "../lib/usbdebug_direct.c"
static void early_usbdebug_direct_init(void)
{
struct ehci_debug_info *dbg_info =
(struct ehci_debug_info *)(CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - sizeof (struct ehci_debug_info));
struct ehci_debug_info *dbg_info = (struct ehci_debug_info *)
(CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - sizeof(struct ehci_debug_info));
usbdebug_direct_init(EHCI_BAR, EHCI_DEBUG_OFFSET, dbg_info);
}
void usbdebug_direct_tx_byte(unsigned char data)
{
struct ehci_debug_info *dbg_info;
dbg_info = (struct ehci_debug_info *)(CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - sizeof (struct ehci_debug_info)); // in Cache
/* "Find" dbg_info structure in Cache */
dbg_info = (struct ehci_debug_info *)
(CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - sizeof(struct ehci_debug_info));
if (dbg_info->ehci_debug) {
dbgp_bulk_write_x(dbg_info, &data, 1);
}
}
void usbdebug_direct_ram_tx_byte(unsigned char data)
{
struct ehci_debug_info *dbg_info;
dbg_info = (struct ehci_debug_info *)((CONFIG_LB_MEM_TOPK<<10) - sizeof (struct ehci_debug_info)); //in RAM
/* "Find" dbg_info structure in RAM */
dbg_info = (struct ehci_debug_info *)
((CONFIG_LB_MEM_TOPK << 10) - sizeof(struct ehci_debug_info));
if (dbg_info->ehci_debug) {
dbgp_bulk_write_x(dbg_info, &data, 1);
}