diff options
Diffstat (limited to '')
| -rw-r--r-- | carl9170fw/carlfw/src/uart.c | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/carl9170fw/carlfw/src/uart.c b/carl9170fw/carlfw/src/uart.c deleted file mode 100644 index 58f6486..0000000 --- a/carl9170fw/carlfw/src/uart.c +++ /dev/null @@ -1,76 +0,0 @@ -/* - * 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 */ |