| /* |
| * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights |
| * reserved. |
| * |
| * This software is available to you under a choice of one of two |
| * licenses. You may choose to be licensed under the terms of the GNU |
| * General Public License (GPL) Version 2, available from the file |
| * COPYING in the main directory of this source tree, or the NetLogic |
| * license below: |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include <linux/types.h> |
| #include <linux/serial_reg.h> |
| |
| #include <asm/mipsregs.h> |
| #include <asm/netlogic/haldefs.h> |
| |
| #if defined(CONFIG_CPU_XLP) |
| #include <asm/netlogic/xlp-hal/iomap.h> |
| #include <asm/netlogic/xlp-hal/uart.h> |
| #elif defined(CONFIG_CPU_XLR) |
| #include <asm/netlogic/xlr/iomap.h> |
| #endif |
| |
| void prom_putchar(char c) |
| { |
| uint64_t uartbase; |
| |
| #if defined(CONFIG_CPU_XLP) |
| uartbase = nlm_get_uart_regbase(0, 0); |
| #elif defined(CONFIG_CPU_XLR) |
| uartbase = nlm_mmio_base(NETLOGIC_IO_UART_0_OFFSET); |
| #endif |
| while ((nlm_read_reg(uartbase, UART_LSR) & UART_LSR_THRE) == 0) |
| ; |
| nlm_write_reg(uartbase, UART_TX, c); |
| } |