include/asm-blackfin/arch-bf561/bf561_serial.h

   1 /*
   2  * U-boot bf561_serial.h
   3  *
   4  * Copyright (c) 2005-2007 Analog Devices Inc.
   5  *
   6  * See file CREDITS for list of people who contributed to this
   7  * project.
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License as
  11  * published by the Free Software Foundation; either version 2 of
  12  * the License, or (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
  22  * MA 02110-1301 USA
  23  */
  24
  25 #ifndef _BF561_SERIAL_H_
  26 #define _BF561_SERIAL_H_
  27
  28 #define BYTE_REF(addr)          (*((volatile char*)addr))
  29 #define HALFWORD_REF(addr)      (*((volatile short*)addr))
  30 #define WORD_REF(addr)          (*((volatile long*)addr))
  31
  32 #define UART_THR_LO             HALFWORD_REF(UART_THR)
  33 #define UART_RBR_LO             HALFWORD_REF(UART_RBR)
  34 #define UART_DLL_LO             HALFWORD_REF(UART_DLL)
  35 #define UART_IER_LO             HALFWORD_REF(UART_IER)
  36 #define UART_IER_ERBFI          0x01
  37 #define UART_IER_ETBEI          0x02
  38 #define UART_IER_ELSI           0x04
  39 #define UART_IER_EDDSI          0x08
  40
  41 #define UART_DLH_LO             HALFWORD_REF(UART_DLH)
  42 #define UART_IIR_LO             HALFWORD_REF(UART_IIR)
  43 #define UART_IIR_NOINT          0x01
  44 #define UART_IIR_STATUS         0x06
  45 #define UART_IIR_LSR            0x06
  46 #define UART_IIR_RBR            0x04
  47 #define UART_IIR_THR            0x02
  48 #define UART_IIR_MSR            0x00
  49
  50 #define UART_LCR_LO             HALFWORD_REF(UART_LCR)
  51 #define UART_LCR_WLS5           0
  52 #define UART_LCR_WLS6           0x01
  53 #define UART_LCR_WLS7           0x02
  54 #define UART_LCR_WLS8           0x03
  55 #define UART_LCR_STB            0x04
  56 #define UART_LCR_PEN            0x08
  57 #define UART_LCR_EPS            0x10
  58 #define UART_LCR_SP             0x20
  59 #define UART_LCR_SB             0x40
  60 #define UART_LCR_DLAB           0x80
  61
  62 #define UART_MCR_LO             HALFWORD_REF(UART_MCR)
  63
  64 #define UART_LSR_LO             HALFWORD_REF(UART_LSR)
  65 #define UART_LSR_DR             0x01
  66 #define UART_LSR_OE             0x02
  67 #define UART_LSR_PE             0x04
  68 #define UART_LSR_FE             0x08
  69 #define UART_LSR_BI             0x10
  70 #define UART_LSR_THRE           0x20
  71 #define UART_LSR_TEMT           0x40
  72
  73 #define UART_MSR_LO             HALFWORD_REF(UART_MSR)
  74 #define UART_SCR_LO             HALFWORD_REF(UART_SCR)
  75 #define UART_GCTL_LO            HALFWORD_REF(UART_GCTL)
  76 #define UART_GCTL_UCEN          0x01
  77
  78 #endif