diff options
Diffstat (limited to 'arch/mips/alchemy/common/puts.c')
-rw-r--r-- | arch/mips/alchemy/common/puts.c | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/arch/mips/alchemy/common/puts.c b/arch/mips/alchemy/common/puts.c deleted file mode 100644 index 55bbe24..0000000 --- a/arch/mips/alchemy/common/puts.c +++ /dev/null @@ -1,68 +0,0 @@ -/* - * - * BRIEF MODULE DESCRIPTION - * Low level UART routines to directly access Alchemy UART. - * - * Copyright 2001, 2008 MontaVista Software Inc. - * Author: MontaVista Software, Inc. <source@mvista.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 SOFTWARE IS PROVIDED ``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 THE AUTHOR 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. - * - * 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., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <asm/mach-au1x00/au1000.h> - -#define SERIAL_BASE UART_BASE -#define SER_CMD 0x7 -#define SER_DATA 0x1 -#define TX_BUSY 0x20 - -#define TIMEOUT 0xffffff -#define SLOW_DOWN - -static volatile unsigned long * const com1 = (unsigned long *)SERIAL_BASE; - -#ifdef SLOW_DOWN -static inline void slow_down(void) -{ - int k; - - for (k = 0; k < 10000; k++); -} -#else -#define slow_down() -#endif - -void -prom_putchar(const unsigned char c) -{ - unsigned char ch; - int i = 0; - - do { - ch = com1[SER_CMD]; - slow_down(); - i++; - if (i > TIMEOUT) - break; - } while (0 == (ch & TX_BUSY)); - - com1[SER_DATA] = c; -} |