OSHW-DEIMOS/SOFTWARE/A64-TERES/u-boot_new/sunxi_spl/boot0/libs/common.c
Dimitar Gamishev 093685c7d8 u-boot
2017-10-13 14:02:55 +03:00

77 lines
2.1 KiB
C
Executable File

/*
* (C) Copyright 2007-2013
* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
* Young <guoyingyang@allwinnertech.com>
*
* See file CREDITS for list of people who contributed to this
* 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; either version 2 of
* the License, or (at your option) any later version.
*
* 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., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include "common.h"
#include "asm/armv7.h"
#include <private_boot0.h>
extern const boot0_file_head_t BT0_head;
extern int debug_mode;
/*
************************************************************************************************************
*
* function
*
* name :set_debugmode_flag
*
* parmeters :void
*
* return :
*
* note :if BT0_head.prvt_head.debug_mode_off = 1,do not print any message to uart
*
*
************************************************************************************************************
*/
#include <asm/arch/uart.h>
void set_debugmode_flag(void)
{
char c = 0;
int i = 0;
for( i = 0 ; i < 3 ; i++)
{
__msdelay(10);
if(sunxi_serial_tstc())
{
printf("key_press \n");
c = sunxi_serial_getc();
printf("0x%x \n",c);
break;
}
}
if(c == 's')
{
debug_mode = 1;
return ;
}
if(BT0_head.prvt_head.debug_mode)
debug_mode = 1;
else
debug_mode = 0;
return ;
}