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-rw-r--r--cpu/mcf52x2/serial.c215
1 files changed, 0 insertions, 215 deletions
diff --git a/cpu/mcf52x2/serial.c b/cpu/mcf52x2/serial.c
deleted file mode 100644
index 8be09e3..0000000
--- a/cpu/mcf52x2/serial.c
+++ /dev/null
@@ -1,215 +0,0 @@
-/*
- * (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
- */
-
-#include <common.h>
-#include <command.h>
-#include <watchdog.h>
-
-#include <asm/mcfuart.h>
-
-#ifdef CONFIG_M5271
-#include <asm/m5271.h>
-#endif
-
-#ifdef CONFIG_M5272
-#include <asm/m5272.h>
-#endif
-
-#ifdef CONFIG_M5282
-#include <asm/m5282.h>
-#endif
-
-#ifdef CONFIG_M5249
-#include <asm/m5249.h>
-#endif
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#if defined(CONFIG_M5249) || defined(CONFIG_M5271)
-#define DoubleClock(a) ((double)(CFG_CLK/2) / 32.0 / (double)(a))
-#else
-#define DoubleClock(a) ((double)(CFG_CLK) / 32.0 / (double)(a))
-#endif
-
-void rs_serial_setbaudrate(int port,int baudrate)
-{
-#if defined(CONFIG_M5272) || defined(CONFIG_M5249) || defined(CONFIG_M5271)
- volatile unsigned char *uartp;
-# ifndef CONFIG_M5271
- double fraction;
-# endif
- double clock;
-
- if (port == 0)
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1);
- else
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE2);
-
- clock = DoubleClock(baudrate); /* Set baud above */
-
- uartp[MCFUART_UBG1] = (((int)clock >> 8) & 0xff); /* set msb baud */
- uartp[MCFUART_UBG2] = ((int)clock & 0xff); /* set lsb baud */
-
-# ifndef CONFIG_M5271
- fraction = ((clock - (int)clock) * 16.0) + 0.5;
- uartp[MCFUART_UFPD] = ((int)fraction & 0xf); /* set baud fraction adjust */
-# endif
-#endif
-
-#if defined(CONFIG_M5282)
- volatile unsigned char *uartp;
- long clock;
-
- switch (port) {
- case 1:
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE2);
- break;
- case 2:
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE3);
- break;
- default:
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1);
- }
-
- clock = (long) CFG_CLK / ((long) 32 * baudrate); /* Set baud above */
-
- uartp[MCFUART_UBG1] = (((int)clock >> 8) & 0xff); /* set msb baud */
- uartp[MCFUART_UBG2] = ((int) clock & 0xff); /* set lsb baud */
-
-#endif
-};
-
-void rs_serial_init (int port, int baudrate)
-{
- volatile unsigned char *uartp;
-
- /*
- * Reset UART, get it into known state...
- */
- switch (port) {
- case 1:
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE2);
- break;
-#if defined(CONFIG_M5282)
- case 2:
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE3);
- break;
-#endif
- default:
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1);
- }
-
- uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETTX; /* reset TX */
- uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETRX; /* reset RX */
-
- uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETMRPTR; /* reset MR pointer */
- uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETERR; /* reset Error pointer */
-
- /*
- * Set port for CONSOLE_BAUD_RATE, 8 data bits, 1 stop bit, no parity.
- */
- uartp[MCFUART_UMR] = MCFUART_MR1_PARITYNONE | MCFUART_MR1_CS8;
- uartp[MCFUART_UMR] = MCFUART_MR2_STOP1;
-
- /* Mask UART interrupts */
- uartp[MCFUART_UIMR] = 0;
-
- /* Set clock Select Register: Tx/Rx clock is timer */
- uartp[MCFUART_UCSR] = MCFUART_UCSR_RXCLKTIMER | MCFUART_UCSR_TXCLKTIMER;
-
- rs_serial_setbaudrate (port, baudrate);
-
- /* Enable Tx/Rx */
- uartp[MCFUART_UCR] = MCFUART_UCR_RXENABLE | MCFUART_UCR_TXENABLE;
-
- return;
-}
-
-/****************************************************************************/
-/*
- * Output a single character, using UART polled mode.
- * This is used for console output.
- */
-
-void rs_put_char(char ch)
-{
- volatile unsigned char *uartp;
- int i;
-
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1);
-
- for (i = 0; (i < 0x10000); i++) {
- if (uartp[MCFUART_USR] & MCFUART_USR_TXREADY)
- break;
- }
- uartp[MCFUART_UTB] = ch;
- return;
-}
-
-int rs_is_char(void)
-{
- volatile unsigned char *uartp;
-
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1);
- return((uartp[MCFUART_USR] & MCFUART_USR_RXREADY) ? 1 : 0);
-}
-
-int rs_get_char(void)
-{
- volatile unsigned char *uartp;
-
- uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1);
- return(uartp[MCFUART_URB]);
-}
-
-void serial_setbrg(void) {
- rs_serial_setbaudrate(0,gd->bd->bi_baudrate);
-}
-
-int serial_init(void) {
- rs_serial_init(0,gd->baudrate);
- return 0;
-}
-
-
-void serial_putc(const char c) {
- if (c == '\n')
- serial_putc ('\r');
- rs_put_char(c);
-}
-
-void serial_puts (const char *s) {
- while (*s)
- serial_putc(*s++);
-}
-
-int serial_getc(void) {
- while(!rs_is_char())
- WATCHDOG_RESET();
-
- return rs_get_char();
-}
-
-int serial_tstc() {
- return rs_is_char();
-}