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Diffstat (limited to 'cpu/bf537/serial.h')
| -rw-r--r-- | cpu/bf537/serial.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/cpu/bf537/serial.h b/cpu/bf537/serial.h new file mode 100644 index 000000000..c9ee3dc06 --- /dev/null +++ b/cpu/bf537/serial.h @@ -0,0 +1,77 @@ +/* + * U-boot - bf537_serial.h Serial Driver defines + * + * Copyright (c) 2005 blackfin.uclinux.org + * + * This file is based on + * bf533_serial.h: Definitions for the BlackFin BF533 DSP serial driver. + * Copyright (C) 2003 Bas Vermeulen <bas@buyways.nl> + * BuyWays B.V. (www.buyways.nl) + * + * Based heavily on: + * blkfinserial.h: Definitions for the BlackFin DSP serial driver. + * + * Copyright (C) 2001 Tony Z. Kou tonyko@arcturusnetworks.com + * Copyright (C) 2001 Arcturus Networks Inc. <www.arcturusnetworks.com> + * + * Based on code from 68328serial.c which was: + * Copyright (C) 1995 David S. Miller <davem@caip.rutgers.edu> + * Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com> + * Copyright (C) 1998, 1999 D. Jeff Dionne <jeff@uclinux.org> + * Copyright (C) 1999 Vladimir Gurevich <vgurevic@cisco.com> + * + * (C) Copyright 2000-2004 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _Bf537_SERIAL_H +#define _Bf537_SERIAL_H + +#include <linux/config.h> +#include <asm/blackfin.h> + +#define SYNC_ALL __asm__ __volatile__ ("ssync;\n") +#define ACCESS_LATCH *pUART_LCR |= UART_LCR_DLAB; +#define ACCESS_PORT_IER *pUART_LCR &= (~UART_LCR_DLAB); + +void serial_setbrg(void); +static void local_put_char(char ch); +void calc_baud(void); +void serial_setbrg(void); +int serial_init(void); +void serial_putc(const char c); +int serial_tstc(void); +int serial_getc(void); +void serial_puts(const char *s); +static void local_put_char(char ch); + +int baud_table[5] = { 9600, 19200, 38400, 57600, 115200 }; + +struct { + unsigned char dl_high; + unsigned char dl_low; +} hw_baud_table[5]; + +#ifdef CONFIG_STAMP +extern unsigned long pll_div_fact; +#endif + +#endif |