diff options
Diffstat (limited to 'drivers/serial/serial_lpc2292.c')
| -rw-r--r-- | drivers/serial/serial_lpc2292.c | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/drivers/serial/serial_lpc2292.c b/drivers/serial/serial_lpc2292.c deleted file mode 100644 index 8abc476..0000000 --- a/drivers/serial/serial_lpc2292.c +++ /dev/null @@ -1,117 +0,0 @@ -/* - * (C) Copyright 2002-2004 - * Wolfgang Denk, DENX Software Engineering, <wd@denx.de> - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Alex Zuepke <azu@sysgo.de> - * - * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) - * - * 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 - * - */ - -#include <common.h> -#include <asm/arch/hardware.h> - -DECLARE_GLOBAL_DATA_PTR; - -static void lpc2292_serial_setbrg(void) -{ - unsigned short divisor = 0; - - switch (gd->baudrate) { - case 1200: divisor = 3072; break; - case 9600: divisor = 384; break; - case 19200: divisor = 192; break; - case 38400: divisor = 96; break; - case 57600: divisor = 64; break; - case 115200: divisor = 32; break; - default: hang (); break; - } - - /* init serial UART0 */ - PUT8(U0LCR, 0); - PUT8(U0IER, 0); - PUT8(U0LCR, 0x80); /* DLAB=1 */ - PUT8(U0DLL, (unsigned char)(divisor & 0x00FF)); - PUT8(U0DLM, (unsigned char)(divisor >> 8)); - PUT8(U0LCR, 0x03); /* 8N1, DLAB=0 */ - PUT8(U0FCR, 1); /* Enable RX and TX FIFOs */ -} - -static int lpc2292_serial_init(void) -{ - unsigned long pinsel0; - - serial_setbrg (); - - pinsel0 = GET32(PINSEL0); - pinsel0 &= ~(0x00000003); - pinsel0 |= 5; - PUT32(PINSEL0, pinsel0); - - return (0); -} - -static void lpc2292_serial_putc(const char c) -{ - if (c == '\n') - { - while((GET8(U0LSR) & (1<<5)) == 0); /* Wait for empty U0THR */ - PUT8(U0THR, '\r'); - } - - while((GET8(U0LSR) & (1<<5)) == 0); /* Wait for empty U0THR */ - PUT8(U0THR, c); -} - -static int lpc2292_serial_getc(void) -{ - while((GET8(U0LSR) & 1) == 0); - return GET8(U0RBR); -} - -/* Test if there is a byte to read */ -static int lpc2292_serial_tstc(void) -{ - return (GET8(U0LSR) & 1); -} - -static struct serial_device lpc2292_serial_drv = { - .name = "lpc2292_serial", - .start = lpc2292_serial_init, - .stop = NULL, - .setbrg = lpc2292_serial_setbrg, - .putc = lpc2292_serial_putc, - .puts = default_serial_puts, - .getc = lpc2292_serial_getc, - .tstc = lpc2292_serial_tstc, -}; - -void lpc2292_serial_initialize(void) -{ - serial_register(&lpc2292_serial_drv); -} - -__weak struct serial_device *default_serial_console(void) -{ - return &lpc2292_serial_drv; -} |