From 2bd806fe4fc23958b8f78778199e7a6e3f8f6ad5 Mon Sep 17 00:00:00 2001 From: TsiChungLiew Date: Thu, 5 Jul 2007 23:17:36 -0500 Subject: Rename mcfserial.c. Update include header Renamed mcfserial.c to mcfuart.c. Modified Makefile for mcfuart.o from mcfserial.o. Replace immap_5329.h and m5329.h to immap.h Signed-off-by: TsiChungLiew --- drivers/serial/Makefile | 2 +- drivers/serial/mcfserial.c | 126 -------------------------------------------- drivers/serial/mcfuart.c | 127 +++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 128 insertions(+), 127 deletions(-) delete mode 100644 drivers/serial/mcfserial.c create mode 100644 drivers/serial/mcfuart.c diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile index 2208a08..93c68dd 100644 --- a/drivers/serial/Makefile +++ b/drivers/serial/Makefile @@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk LIB := $(obj)libserial.a -COBJS := mcfserial.o +COBJS := mcfuart.o SRCS := $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS)) diff --git a/drivers/serial/mcfserial.c b/drivers/serial/mcfserial.c deleted file mode 100644 index a8ca78a..0000000 --- a/drivers/serial/mcfserial.c +++ /dev/null @@ -1,126 +0,0 @@ -/* - * (C) Copyright 2004, Freescale, Inc - * TsiChung Liew, Tsi-Chung.Liew@freescale.com. - * - * 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 - * - */ - -/* - * Minimal serial functions needed to use one of the uart ports - * as serial console interface. - */ - -#include -#include - -DECLARE_GLOBAL_DATA_PTR; - -#ifdef CONFIG_MCFSERIAL -int serial_init(void) -{ - volatile uart_t *uart; - u32 counter; - - uart = (volatile uart_t *)(CFG_UART_BASE); - - /* write to SICR: SIM2 = uart mode,dcd does not affect rx */ - uart->ucr = UART_UCR_RESET_RX; - uart->ucr = UART_UCR_RESET_TX; - uart->ucr = UART_UCR_RESET_ERROR; - uart->ucr = UART_UCR_RESET_MR; - __asm__("nop"); - - uart->uimr = 0; - - /* write to CSR: RX/TX baud rate from timers */ - uart->ucsr = (UART_UCSR_RCS_SYS_CLK | UART_UCSR_TCS_SYS_CLK); - - uart->umr = (UART_UMR_BC_8 | UART_UMR_PM_NONE); - uart->umr = UART_UMR_SB_STOP_BITS_1; - - /* Setting up BaudRate */ - counter = (u32) (gd->bus_clk / (gd->baudrate)); - counter >>= 5; - - /* write to CTUR: divide counter upper byte */ - uart->ubg1 = (u8) ((counter & 0xff00) >> 8); - /* write to CTLR: divide counter lower byte */ - uart->ubg2 = (u8) (counter & 0x00ff); - - uart->ucr = (UART_UCR_RX_ENABLED | UART_UCR_TX_ENABLED); - - return (0); -} - -void serial_putc(const char c) -{ - volatile uart_t *uart = (volatile uart_t *)(CFG_UART_BASE); - - if (c == '\n') - serial_putc('\r'); - - /* Wait for last character to go. */ - while (!(uart->usr & UART_USR_TXRDY)) ; - - uart->utb = c; -} - -void serial_puts(const char *s) -{ - while (*s) { - serial_putc(*s++); - } -} - -int serial_getc(void) -{ - volatile uart_t *uart = (volatile uart_t *)(CFG_UART_BASE); - - /* Wait for a character to arrive. */ - while (!(uart->usr & UART_USR_RXRDY)) ; - return uart->urb; -} - -int serial_tstc(void) -{ - volatile uart_t *uart = (volatile uart_t *)(CFG_UART_BASE); - - return (uart->usr & UART_USR_RXRDY); -} - -void serial_setbrg(void) -{ - volatile uart_t *uart = (volatile uart_t *)(CFG_UART_BASE); - u32 counter; - - counter = ((gd->bus_clk / gd->baudrate)) >> 5; - counter++; - - /* write to CTUR: divide counter upper byte */ - uart->ubg1 = ((counter & 0xff00) >> 8); - /* write to CTLR: divide counter lower byte */ - uart->ubg2 = (counter & 0x00ff); - - uart->ucr = UART_UCR_RESET_RX; - uart->ucr = UART_UCR_RESET_TX; - - uart->ucr = UART_UCR_RX_ENABLED | UART_UCR_TX_ENABLED; -} -#endif /* CONFIG_MCFSERIAL */ diff --git a/drivers/serial/mcfuart.c b/drivers/serial/mcfuart.c new file mode 100644 index 0000000..f54aabe --- /dev/null +++ b/drivers/serial/mcfuart.c @@ -0,0 +1,127 @@ +/* + * (C) Copyright 2004-2007 Freescale Semiconductor, Inc. + * TsiChung Liew, Tsi-Chung.Liew@freescale.com. + * + * 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 + * + */ + +/* + * Minimal serial functions needed to use one of the uart ports + * as serial console interface. + */ + +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +#ifdef CONFIG_MCFSERIAL +int serial_init(void) +{ + volatile uart_t *uart; + u32 counter; + + uart = (volatile uart_t *)(CFG_UART_BASE); + + /* write to SICR: SIM2 = uart mode,dcd does not affect rx */ + uart->ucr = UART_UCR_RESET_RX; + uart->ucr = UART_UCR_RESET_TX; + uart->ucr = UART_UCR_RESET_ERROR; + uart->ucr = UART_UCR_RESET_MR; + __asm__("nop"); + + uart->uimr = 0; + + /* write to CSR: RX/TX baud rate from timers */ + uart->ucsr = (UART_UCSR_RCS_SYS_CLK | UART_UCSR_TCS_SYS_CLK); + + uart->umr = (UART_UMR_BC_8 | UART_UMR_PM_NONE); + uart->umr = UART_UMR_SB_STOP_BITS_1; + + /* Setting up BaudRate */ + counter = (u32) (gd->bus_clk / (gd->baudrate)); + counter >>= 5; + + /* write to CTUR: divide counter upper byte */ + uart->ubg1 = (u8) ((counter & 0xff00) >> 8); + /* write to CTLR: divide counter lower byte */ + uart->ubg2 = (u8) (counter & 0x00ff); + + uart->ucr = (UART_UCR_RX_ENABLED | UART_UCR_TX_ENABLED); + + return (0); +} + +void serial_putc(const char c) +{ + volatile uart_t *uart = (volatile uart_t *)(CFG_UART_BASE); + + if (c == '\n') + serial_putc('\r'); + + /* Wait for last character to go. */ + while (!(uart->usr & UART_USR_TXRDY)) ; + + uart->utb = c; +} + +void serial_puts(const char *s) +{ + while (*s) { + serial_putc(*s++); + } +} + +int serial_getc(void) +{ + volatile uart_t *uart = (volatile uart_t *)(CFG_UART_BASE); + + /* Wait for a character to arrive. */ + while (!(uart->usr & UART_USR_RXRDY)) ; + return uart->urb; +} + +int serial_tstc(void) +{ + volatile uart_t *uart = (volatile uart_t *)(CFG_UART_BASE); + + return (uart->usr & UART_USR_RXRDY); +} + +void serial_setbrg(void) +{ + volatile uart_t *uart = (volatile uart_t *)(CFG_UART_BASE); + u32 counter; + + counter = ((gd->bus_clk / gd->baudrate)) >> 5; + counter++; + + /* write to CTUR: divide counter upper byte */ + uart->ubg1 = ((counter & 0xff00) >> 8); + /* write to CTLR: divide counter lower byte */ + uart->ubg2 = (counter & 0x00ff); + + uart->ucr = UART_UCR_RESET_RX; + uart->ucr = UART_UCR_RESET_TX; + + uart->ucr = UART_UCR_RX_ENABLED | UART_UCR_TX_ENABLED; +} +#endif /* CONFIG_MCFSERIAL */ -- cgit v1.1