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Name	Size	Permission
ashlsi3.S	3.73 KB	-rw-r--r--
cam.c	4.15 KB	-rw-r--r--
cmd.c	4.05 KB	-rw-r--r--
dma.c	6.96 KB	-rw-r--r--
fw.c	3.85 KB	-rw-r--r--
gpio.c	1.62 KB	-rw-r--r--
hostif.c	4.25 KB	-rw-r--r--
main.c	6.1 KB	-rw-r--r--
memcpy.S	3.56 KB	-rw-r--r--
memset.S	822 B	-rw-r--r--
printf.c	2.69 KB	-rw-r--r--
reboot.S	245 B	-rw-r--r--
rf.c	7.55 KB	-rw-r--r--
uart.c	2.07 KB	-rw-r--r--
udivsi3_i4i-Os.S	3.34 KB	-rw-r--r--
wlan.c	30.63 KB	-rw-r--r--
wol.c	8.23 KB	-rw-r--r--

Code Editor : uart.c

/*
 * carl9170 firmware - used by the ar9170 wireless device
 *
 * UART debug interface functions.
 *
 * Copyright (c) 2000-2005 ZyDAS Technology Corporation
 * Copyright (c) 2007-2009 Atheros Communications, Inc.
 * Copyright	2009	Johannes Berg <johannes@sipsolutions.net>
 * Copyright 2009-2011	Christian Lamparter <chunkeey@googlemail.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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include "carl9170.h"
#include "uart.h"
#include "io.h"

#ifdef CONFIG_CARL9170FW_DEBUG_UART
void uart_putc(const char c)
{
	set(AR9170_UART_REG_TX_HOLDING, c);

while (get(AR9170_UART_REG_LINE_STATUS) &
	       AR9170_UART_LINE_STS_TX_FIFO_ALMOST_EMPTY) {
		/*
		 * wait until the byte has made it
		 */
	}
}

void uart_print_hex_dump(const void *buf, const int len)
{
	unsigned int offset = 0;

uart_putc('H');
	uart_putc('D');
	uart_putc(':');

while (len > 0) {
		uart_putc(*((uint8_t *) buf + offset));
		offset++;
	}
}

void uart_init(void)
{
	unsigned int timeout = 0;

#ifdef CONFIG_CARL9170FW_UART_CLOCK_25M
	set(AR9170_UART_REG_DIVISOR_LSB, 0xc);
#elif CONFIG_CARL9170FW_UART_CLOCK_40M
	set(AR9170_UART_REG_DIVISOR_LSB, 0x14);	/* 40 MHz */
	set(AR9170_UART_REG_REMAINDER, 0xb38e);
#else
#error "Unsupported UART clock"
#endif /* CARL9170FW_UART_CLOCK_25M */

while (get(AR9170_UART_REG_LINE_STATUS) &
	       AR9170_UART_LINE_STS_TRANSMITTER_EMPTY) {
		if (timeout++ >= 10000)
			break;
	}
}
#endif /* CONFIG_CARL9170FW_DEBUG_UART */

${this.title}

Code Editor : uart.c