blob: 70523e67a8f6964f5fb4c01d98acc407719a1246 (
plain) (
tree)
|
|
/*
* arch/arm/mach-imxads/include/mach/uncompress.h
*
*
*
* Copyright (C) 1999 ARM Limited
* Copyright (C) Shane Nay (shane@minirl.com)
*
* 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
*/
#define UART(x) (*(volatile unsigned long *)(serial_port + (x)))
#define UART1_BASE 0x206000
#define UART2_BASE 0x207000
#define USR2 0x98
#define USR2_TXFE (1<<14)
#define TXR 0x40
#define UCR1 0x80
#define UCR1_UARTEN 1
/*
* The following code assumes the serial port has already been
* initialized by the bootloader. We search for the first enabled
* port in the most probable order. If you didn't setup a port in
* your bootloader then nothing will appear (which might be desired).
*
* This does not append a newline
*/
static void putc(int c)
{
unsigned long serial_port;
do {
serial_port = UART1_BASE;
if ( UART(UCR1) & UCR1_UARTEN )
break;
serial_port = UART2_BASE;
if ( UART(UCR1) & UCR1_UARTEN )
break;
return;
} while(0);
while (!(UART(USR2) & USR2_TXFE))
barrier();
UART(TXR) = c;
}
static inline void flush(void)
{
}
/*
* nothing to do
*/
#define arch_decomp_setup()
#define arch_decomp_wdog()
|
