From 379be585eb2343d8814a5cee5fb3da930d846bee Mon Sep 17 00:00:00 2001 From: Jean-Christophe PLAGNIOL-VILLARD Date: Sat, 16 May 2009 22:48:46 +0200 Subject: pxa: move serial driver to drivers/serial Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD --- cpu/pxa/Makefile | 1 - cpu/pxa/serial.c | 385 ------------------------------------------------------- 2 files changed, 386 deletions(-) delete mode 100644 cpu/pxa/serial.c (limited to 'cpu/pxa') diff --git a/cpu/pxa/Makefile b/cpu/pxa/Makefile index 5dc3a52c8..07a151a17 100644 --- a/cpu/pxa/Makefile +++ b/cpu/pxa/Makefile @@ -30,7 +30,6 @@ START = start.o COBJS += cpu.o COBJS += i2c.o COBJS += pxafb.o -COBJS += serial.o COBJS += timer.o COBJS += usb.o diff --git a/cpu/pxa/serial.c b/cpu/pxa/serial.c deleted file mode 100644 index 9ba457e75..000000000 --- a/cpu/pxa/serial.c +++ /dev/null @@ -1,385 +0,0 @@ -/* - * (C) Copyright 2002 - * Wolfgang Denk, DENX Software Engineering, - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH - * Marius Groeger - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH - * Alex Zuepke - * - * 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 -#include -#include -#include - -DECLARE_GLOBAL_DATA_PTR; - -#define FFUART_INDEX 0 -#define BTUART_INDEX 1 -#define STUART_INDEX 2 - -#ifndef CONFIG_SERIAL_MULTI -#if defined (CONFIG_FFUART) -#define UART_INDEX FFUART_INDEX -#elif defined (CONFIG_BTUART) -#define UART_INDEX BTUART_INDEX -#elif defined (CONFIG_STUART) -#define UART_INDEX STUART_INDEX -#else -#error "Bad: you didn't configure serial ..." -#endif -#endif - -void pxa_setbrg_dev (unsigned int uart_index) -{ - unsigned int quot = 0; - - if (gd->baudrate == 1200) - quot = 768; - else if (gd->baudrate == 9600) - quot = 96; - else if (gd->baudrate == 19200) - quot = 48; - else if (gd->baudrate == 38400) - quot = 24; - else if (gd->baudrate == 57600) - quot = 16; - else if (gd->baudrate == 115200) - quot = 8; - else - hang (); - - switch (uart_index) { - case FFUART_INDEX: -#ifdef CONFIG_CPU_MONAHANS - CKENA |= CKENA_22_FFUART; -#else - CKEN |= CKEN6_FFUART; -#endif /* CONFIG_CPU_MONAHANS */ - - FFIER = 0; /* Disable for now */ - FFFCR = 0; /* No fifos enabled */ - - /* set baud rate */ - FFLCR = LCR_WLS0 | LCR_WLS1 | LCR_DLAB; - FFDLL = quot & 0xff; - FFDLH = quot >> 8; - FFLCR = LCR_WLS0 | LCR_WLS1; - - FFIER = IER_UUE; /* Enable FFUART */ - break; - - case BTUART_INDEX: -#ifdef CONFIG_CPU_MONAHANS - CKENA |= CKENA_21_BTUART; -#else - CKEN |= CKEN7_BTUART; -#endif /* CONFIG_CPU_MONAHANS */ - - BTIER = 0; - BTFCR = 0; - - /* set baud rate */ - BTLCR = LCR_DLAB; - BTDLL = quot & 0xff; - BTDLH = quot >> 8; - BTLCR = LCR_WLS0 | LCR_WLS1; - - BTIER = IER_UUE; /* Enable BFUART */ - - break; - - case STUART_INDEX: -#ifdef CONFIG_CPU_MONAHANS - CKENA |= CKENA_23_STUART; -#else - CKEN |= CKEN5_STUART; -#endif /* CONFIG_CPU_MONAHANS */ - - STIER = 0; - STFCR = 0; - - /* set baud rate */ - STLCR = LCR_DLAB; - STDLL = quot & 0xff; - STDLH = quot >> 8; - STLCR = LCR_WLS0 | LCR_WLS1; - - STIER = IER_UUE; /* Enable STUART */ - break; - - default: - hang(); - } -} - - -/* - * Initialise the serial port with the given baudrate. The settings - * are always 8 data bits, no parity, 1 stop bit, no start bits. - * - */ -int pxa_init_dev (unsigned int uart_index) -{ - pxa_setbrg_dev (uart_index); - - return (0); -} - - -/* - * Output a single byte to the serial port. - */ -void pxa_putc_dev (unsigned int uart_index,const char c) -{ - switch (uart_index) { - case FFUART_INDEX: - /* wait for room in the tx FIFO on FFUART */ - while ((FFLSR & LSR_TEMT) == 0) - WATCHDOG_RESET (); /* Reset HW Watchdog, if needed */ - FFTHR = c; - break; - - case BTUART_INDEX: - while ((BTLSR & LSR_TEMT ) == 0 ) - WATCHDOG_RESET (); /* Reset HW Watchdog, if needed */ - BTTHR = c; - break; - - case STUART_INDEX: - while ((STLSR & LSR_TEMT ) == 0 ) - WATCHDOG_RESET (); /* Reset HW Watchdog, if needed */ - STTHR = c; - break; - } - - /* If \n, also do \r */ - if (c == '\n') - pxa_putc_dev (uart_index,'\r'); -} - -/* - * Read a single byte from the serial port. Returns 1 on success, 0 - * otherwise. When the function is succesfull, the character read is - * written into its argument c. - */ -int pxa_tstc_dev (unsigned int uart_index) -{ - switch (uart_index) { - case FFUART_INDEX: - return FFLSR & LSR_DR; - case BTUART_INDEX: - return BTLSR & LSR_DR; - case STUART_INDEX: - return STLSR & LSR_DR; - } - return -1; -} - -/* - * Read a single byte from the serial port. Returns 1 on success, 0 - * otherwise. When the function is succesfull, the character read is - * written into its argument c. - */ -int pxa_getc_dev (unsigned int uart_index) -{ - switch (uart_index) { - case FFUART_INDEX: - while (!(FFLSR & LSR_DR)) - WATCHDOG_RESET (); /* Reset HW Watchdog, if needed */ - return (char) FFRBR & 0xff; - - case BTUART_INDEX: - while (!(BTLSR & LSR_DR)) - WATCHDOG_RESET (); /* Reset HW Watchdog, if needed */ - return (char) BTRBR & 0xff; - case STUART_INDEX: - while (!(STLSR & LSR_DR)) - WATCHDOG_RESET (); /* Reset HW Watchdog, if needed */ - return (char) STRBR & 0xff; - } - return -1; -} - -void -pxa_puts_dev (unsigned int uart_index,const char *s) -{ - while (*s) { - pxa_putc_dev (uart_index,*s++); - } -} - -#if defined (CONFIG_FFUART) -static int ffuart_init(void) -{ - return pxa_init_dev(FFUART_INDEX); -} - -static void ffuart_setbrg(void) -{ - return pxa_setbrg_dev(FFUART_INDEX); -} - -static void ffuart_putc(const char c) -{ - return pxa_putc_dev(FFUART_INDEX,c); -} - -static void ffuart_puts(const char *s) -{ - return pxa_puts_dev(FFUART_INDEX,s); -} - -static int ffuart_getc(void) -{ - return pxa_getc_dev(FFUART_INDEX); -} - -static int ffuart_tstc(void) -{ - return pxa_tstc_dev(FFUART_INDEX); -} - -struct serial_device serial_ffuart_device = -{ - "serial_ffuart", - "PXA", - ffuart_init, - ffuart_setbrg, - ffuart_getc, - ffuart_tstc, - ffuart_putc, - ffuart_puts, -}; -#endif - -#if defined (CONFIG_BTUART) -static int btuart_init(void) -{ - return pxa_init_dev(BTUART_INDEX); -} - -static void btuart_setbrg(void) -{ - return pxa_setbrg_dev(BTUART_INDEX); -} - -static void btuart_putc(const char c) -{ - return pxa_putc_dev(BTUART_INDEX,c); -} - -static void btuart_puts(const char *s) -{ - return pxa_puts_dev(BTUART_INDEX,s); -} - -static int btuart_getc(void) -{ - return pxa_getc_dev(BTUART_INDEX); -} - -static int btuart_tstc(void) -{ - return pxa_tstc_dev(BTUART_INDEX); -} - -struct serial_device serial_btuart_device = -{ - "serial_btuart", - "PXA", - btuart_init, - btuart_setbrg, - btuart_getc, - btuart_tstc, - btuart_putc, - btuart_puts, -}; -#endif - -#if defined (CONFIG_STUART) -static int stuart_init(void) -{ - return pxa_init_dev(STUART_INDEX); -} - -static void stuart_setbrg(void) -{ - return pxa_setbrg_dev(STUART_INDEX); -} - -static void stuart_putc(const char c) -{ - return pxa_putc_dev(STUART_INDEX,c); -} - -static void stuart_puts(const char *s) -{ - return pxa_puts_dev(STUART_INDEX,s); -} - -static int stuart_getc(void) -{ - return pxa_getc_dev(STUART_INDEX); -} - -static int stuart_tstc(void) -{ - return pxa_tstc_dev(STUART_INDEX); -} - -struct serial_device serial_stuart_device = -{ - "serial_stuart", - "PXA", - stuart_init, - stuart_setbrg, - stuart_getc, - stuart_tstc, - stuart_putc, - stuart_puts, -}; -#endif - - -#ifndef CONFIG_SERIAL_MULTI -inline int serial_init(void) { - return (pxa_init_dev(UART_INDEX)); -} -void serial_setbrg(void) { - pxa_setbrg_dev(UART_INDEX); -} -int serial_getc(void) { - return(pxa_getc_dev(UART_INDEX)); -} -int serial_tstc(void) { - return(pxa_tstc_dev(UART_INDEX)); -} -void serial_putc(const char c) { - pxa_putc_dev(UART_INDEX,c); -} -void serial_puts(const char *s) { - pxa_puts_dev(UART_INDEX,s); -} -#endif /* CONFIG_SERIAL_MULTI */ -- cgit v1.2.3