mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-24 23:27:30 +02:00
aedeeb1874
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13368 3c298f89-4303-0410-b956-a3cf2f4a3e73
31 lines
645 B
C
31 lines
645 B
C
/*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*
|
|
* Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <bcm63xx_io.h>
|
|
#include <bcm63xx_regs.h>
|
|
|
|
static void __init wait_xfered(void)
|
|
{
|
|
unsigned int val;
|
|
|
|
/* wait for any previous char to be transmitted */
|
|
do {
|
|
val = bcm_uart0_readl(UART_IR_REG);
|
|
if (val & UART_IR_STAT(UART_IR_TXEMPTY))
|
|
break;
|
|
} while (1);
|
|
}
|
|
|
|
void __init prom_putchar(char c)
|
|
{
|
|
wait_xfered();
|
|
bcm_uart0_writel(c, UART_FIFO_REG);
|
|
wait_xfered();
|
|
}
|