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

Browse Source 
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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60
src/console/usbdebug_direct_console.c
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@@ -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;
@@ -21,39 +42,46 @@ void set_ehci_debug(unsigned ehci_debug)
unsigned get_ehci_debug(void)
{
return dbg_info.ehci_debug;
return dbg_info.ehci_debug;
}
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
memcpy(&dbg_info, dbg_infox, sizeof(struct ehci_debug_info) );
/* 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));
}
static void dbgp_tx_byte(unsigned char data)
static void dbgp_tx_byte(unsigned char data)
{
if(dbg_info.ehci_debug)
dbgp_bulk_write_x(&dbg_info,&data,1);
if (dbg_info.ehci_debug)
dbgp_bulk_write_x(&dbg_info, &data, 1);
}
static unsigned char dbgp_rx_byte(void)
static unsigned char dbgp_rx_byte(void)
{
unsigned char data = 0xff;
if(dbg_info.ehci_debug)
dbgp_bulk_read_x(&dbg_info,&data,1);
if (dbg_info.ehci_debug)
dbgp_bulk_read_x(&dbg_info, &data, 1);
return data;
}
static int dbgp_tst_byte(void)
static int dbgp_tst_byte(void)
{
return dbg_info.ehci_debug;
}
static const struct console_driver usbdebug_direct_console __console = {
.init = dbgp_init,
.tx_byte = dbgp_tx_byte,
.rx_byte = dbgp_rx_byte,
.init = dbgp_init,
.tx_byte = dbgp_tx_byte,
.rx_byte = dbgp_rx_byte,
.tst_byte = dbgp_tst_byte,
};