cpu/bf533/bf533_serial.h

   1 /*
   2  * U-boot - bf533_serial.h Serial Driver defines
   3  *
   4  * Copyright (c) 2005 blackfin.uclinux.org
   5  *
   6  * This file is based on
   7  * bf533_serial.h: Definitions for the BlackFin BF533 DSP serial driver.
   8  * Copyright (C) 2003   Bas Vermeulen <bas@buyways.nl>
   9  *                      BuyWays B.V. (www.buyways.nl)
  10  *
  11  * Based heavily on:
  12  * blkfinserial.h: Definitions for the BlackFin DSP serial driver.
  13  *
  14  * Copyright (C) 2001   Tony Z. Kou     tonyko@arcturusnetworks.com
  15  * Copyright (C) 2001   Arcturus Networks Inc. <www.arcturusnetworks.com>
  16  *
  17  * Based on code from 68328serial.c which was:
  18  * Copyright (C) 1995       David S. Miller    <davem@caip.rutgers.edu>
  19  * Copyright (C) 1998       Kenneth Albanowski <kjahds@kjahds.com>
  20  * Copyright (C) 1998, 1999 D. Jeff Dionne     <jeff@uclinux.org>
  21  * Copyright (C) 1999       Vladimir Gurevich  <vgurevic@cisco.com>
  22  *
  23  * (C) Copyright 2000-2004
  24  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  25  *
  26  * See file CREDITS for list of people who contributed to this
  27  * project.
  28  *
  29  * This program is free software; you can redistribute it and/or
  30  * modify it under the terms of the GNU General Public License as
  31  * published by the Free Software Foundation; either version 2 of
  32  * the License, or (at your option) any later version.
  33  *
  34  * This program is distributed in the hope that it will be useful,
  35  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  36  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  37  * GNU General Public License for more details.
  38  *
  39  * You should have received a copy of the GNU General Public License
  40  * along with this program; if not, write to the Free Software
  41  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  42  * MA 02111-1307 USA
  43  */
  44
  45 #ifndef _Bf533_SERIAL_H
  46 #define _Bf533_SERIAL_H
  47
  48 #include <linux/config.h>
  49 #include <asm/blackfin.h>
  50
  51 #define SYNC_ALL        __asm__ __volatile__ ("ssync;\n")
  52 #define ACCESS_LATCH    *pUART_LCR |= UART_LCR_DLAB;
  53 #define ACCESS_PORT_IER *pUART_LCR &= (~UART_LCR_DLAB);
  54
  55 void serial_setbrg(void);
  56 static void local_put_char(char ch);
  57 void calc_baud(void);
  58 void serial_setbrg(void);
  59 int serial_init(void);
  60 void serial_putc(const char c);
  61 int serial_tstc(void);
  62 int serial_getc(void);
  63 void serial_puts(const char *s);
  64 static void local_put_char(char ch);
  65
  66 extern int get_clock(void);
  67 int baud_table[5] = {9600, 19200, 38400, 57600, 115200};
  68
  69 struct {
  70         unsigned char dl_high;
  71         unsigned char dl_low;
  72 } hw_baud_table[5];
  73
  74 #ifdef CONFIG_STAMP
  75 extern unsigned long pll_div_fact;
  76 #endif
  77
  78 #endif