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authorJean-Christophe PLAGNIOL-VILLARD2009-03-30 18:58:39 +0200
committerJean-Christophe PLAGNIOL-VILLARD2009-03-30 18:58:39 +0200
commit300f99f4539dd5caf7e19af5e4ea5eb259445913 (patch)
treedda35637322d85077ee448e60a965e03071a3871 /cpu/arm920t
parent942ba9969b9efa25f816c238861ecb339c54ed73 (diff)
s3c24x0: move serial driver to drivers/serial
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Diffstat (limited to 'cpu/arm920t')
-rw-r--r--cpu/arm920t/s3c24x0/Makefile3
-rw-r--r--cpu/arm920t/s3c24x0/serial.c304
2 files changed, 1 insertions, 306 deletions
diff --git a/cpu/arm920t/s3c24x0/Makefile b/cpu/arm920t/s3c24x0/Makefile
index 676492025ae..8fd525e12e0 100644
--- a/cpu/arm920t/s3c24x0/Makefile
+++ b/cpu/arm920t/s3c24x0/Makefile
@@ -25,8 +25,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(SOC).a
-COBJS = i2c.o interrupts.o serial.o speed.o \
- usb.o usb_ohci.o nand.o
+COBJS = i2c.o interrupts.o speed.o usb.o usb_ohci.o nand.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/cpu/arm920t/s3c24x0/serial.c b/cpu/arm920t/s3c24x0/serial.c
deleted file mode 100644
index 064b99871d0..00000000000
--- a/cpu/arm920t/s3c24x0/serial.c
+++ /dev/null
@@ -1,304 +0,0 @@
-/*
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
- *
- * 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>
-#if defined(CONFIG_S3C2400) || defined (CONFIG_S3C2410) || defined (CONFIG_TRAB)
-
-#if defined(CONFIG_S3C2400) || defined(CONFIG_TRAB)
-#include <s3c2400.h>
-#elif defined(CONFIG_S3C2410)
-#include <s3c2410.h>
-#endif
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#ifdef CONFIG_SERIAL1
-#define UART_NR S3C24X0_UART0
-
-#elif defined(CONFIG_SERIAL2)
-# if defined(CONFIG_TRAB)
-# error "TRAB supports only CONFIG_SERIAL1"
-# endif
-#define UART_NR S3C24X0_UART1
-
-#elif defined(CONFIG_SERIAL3)
-# if defined(CONFIG_TRAB)
-# #error "TRAB supports only CONFIG_SERIAL1"
-# endif
-#define UART_NR S3C24X0_UART2
-
-#else
-#error "Bad: you didn't configure serial ..."
-#endif
-
-#if defined(CONFIG_SERIAL_MULTI)
-#include <serial.h>
-
-/* Multi serial device functions */
-#define DECLARE_S3C_SERIAL_FUNCTIONS(port) \
- int s3serial##port##_init (void) {\
- return serial_init_dev(port);}\
- void s3serial##port##_setbrg (void) {\
- serial_setbrg_dev(port);}\
- int s3serial##port##_getc (void) {\
- return serial_getc_dev(port);}\
- int s3serial##port##_tstc (void) {\
- return serial_tstc_dev(port);}\
- void s3serial##port##_putc (const char c) {\
- serial_putc_dev(port, c);}\
- void s3serial##port##_puts (const char *s) {\
- serial_puts_dev(port, s);}
-
-#define INIT_S3C_SERIAL_STRUCTURE(port,name,bus) {\
- name,\
- bus,\
- s3serial##port##_init,\
- s3serial##port##_setbrg,\
- s3serial##port##_getc,\
- s3serial##port##_tstc,\
- s3serial##port##_putc,\
- s3serial##port##_puts, }
-
-#endif /* CONFIG_SERIAL_MULTI */
-
-void _serial_setbrg(const int dev_index)
-{
- S3C24X0_UART * const uart = S3C24X0_GetBase_UART(dev_index);
- unsigned int reg = 0;
- int i;
-
- /* value is calculated so : (int)(PCLK/16./baudrate) -1 */
- reg = get_PCLK() / (16 * gd->baudrate) - 1;
-
- uart->UBRDIV = reg;
- for (i = 0; i < 100; i++);
-}
-#if defined(CONFIG_SERIAL_MULTI)
-static inline void
-serial_setbrg_dev(unsigned int dev_index)
-{
- _serial_setbrg(dev_index);
-}
-#else
-void serial_setbrg(void)
-{
- _serial_setbrg(UART_NR);
-}
-#endif
-
-
-/* Initialise the serial port. The settings are always 8 data bits, no parity,
- * 1 stop bit, no start bits.
- */
-static int serial_init_dev(const int dev_index)
-{
- S3C24X0_UART * const uart = S3C24X0_GetBase_UART(dev_index);
-
- /* FIFO enable, Tx/Rx FIFO clear */
- uart->UFCON = 0x07;
- uart->UMCON = 0x0;
-
- /* Normal,No parity,1 stop,8 bit */
- uart->ULCON = 0x3;
- /*
- * tx=level,rx=edge,disable timeout int.,enable rx error int.,
- * normal,interrupt or polling
- */
- uart->UCON = 0x245;
-
-#ifdef CONFIG_HWFLOW
- uart->UMCON = 0x1; /* RTS up */
-#endif
-
- /* FIXME: This is sooooooooooooooooooo ugly */
-#if defined(CONFIG_ARCH_GTA02_v1) || defined(CONFIG_ARCH_GTA02_v2)
- /* we need auto hw flow control on the gsm and gps port */
- if (dev_index == 0 || dev_index == 1)
- uart->UMCON = 0x10;
-#endif
- _serial_setbrg(dev_index);
-
- return (0);
-}
-
-#if !defined(CONFIG_SERIAL_MULTI)
-/* Initialise the serial port. The settings are always 8 data bits, no parity,
- * 1 stop bit, no start bits.
- */
-int serial_init (void)
-{
- return serial_init_dev(UART_NR);
-}
-#endif
-
-/*
- * 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 _serial_getc (const int dev_index)
-{
- S3C24X0_UART * const uart = S3C24X0_GetBase_UART(dev_index);
-
- /* wait for character to arrive */
- while (!(uart->UTRSTAT & 0x1));
-
- return uart->URXH & 0xff;
-}
-#if defined(CONFIG_SERIAL_MULTI)
-static inline int serial_getc_dev(unsigned int dev_index)
-{
- return _serial_getc(dev_index);
-}
-#else
-int serial_getc (void)
-{
- return _serial_getc(UART_NR);
-}
-#endif
-
-#ifdef CONFIG_HWFLOW
-static int hwflow = 0; /* turned off by default */
-int hwflow_onoff(int on)
-{
- switch(on) {
- case 0:
- default:
- break; /* return current */
- case 1:
- hwflow = 1; /* turn on */
- break;
- case -1:
- hwflow = 0; /* turn off */
- break;
- }
- return hwflow;
-}
-#endif
-
-#ifdef CONFIG_MODEM_SUPPORT
-static int be_quiet = 0;
-void disable_putc(void)
-{
- be_quiet = 1;
-}
-
-void enable_putc(void)
-{
- be_quiet = 0;
-}
-#endif
-
-
-/*
- * Output a single byte to the serial port.
- */
-void _serial_putc (const char c, const int dev_index)
-{
- S3C24X0_UART * const uart = S3C24X0_GetBase_UART(dev_index);
-#ifdef CONFIG_MODEM_SUPPORT
- if (be_quiet)
- return;
-#endif
-
- /* wait for room in the tx FIFO */
- while (!(uart->UTRSTAT & 0x2));
-
-#ifdef CONFIG_HWFLOW
- /* Wait for CTS up */
- while(hwflow && !(uart->UMSTAT & 0x1))
- ;
-#endif
-
- uart->UTXH = c;
-
- /* If \n, also do \r */
- if (c == '\n')
- serial_putc ('\r');
-}
-#if defined(CONFIG_SERIAL_MULTI)
-static inline void serial_putc_dev(unsigned int dev_index, const char c)
-{
- _serial_putc(c, dev_index);
-}
-#else
-void serial_putc(const char c)
-{
- _serial_putc(c, UART_NR);
-}
-#endif
-
-
-/*
- * Test whether a character is in the RX buffer
- */
-int _serial_tstc(const int dev_index)
-{
- S3C24X0_UART * const uart = S3C24X0_GetBase_UART(dev_index);
-
- return uart->UTRSTAT & 0x1;
-}
-#if defined(CONFIG_SERIAL_MULTI)
-static inline int
-serial_tstc_dev(unsigned int dev_index)
-{
- return _serial_tstc(dev_index);
-}
-#else
-int serial_tstc(void)
-{
- return _serial_tstc(UART_NR);
-}
-#endif
-
-void _serial_puts(const char *s, const int dev_index)
-{
- while (*s) {
- _serial_putc (*s++, dev_index);
- }
-}
-#if defined(CONFIG_SERIAL_MULTI)
-static inline void
-serial_puts_dev(int dev_index, const char *s)
-{
- _serial_puts(s, dev_index);
-}
-#else
-void
-serial_puts (const char *s)
-{
- _serial_puts(s, UART_NR);
-}
-#endif
-
-#if defined(CONFIG_SERIAL_MULTI)
-DECLARE_S3C_SERIAL_FUNCTIONS(0);
-struct serial_device s3c24xx_serial0_device =
- INIT_S3C_SERIAL_STRUCTURE(0, "s3ser0", "S3UART1");
-DECLARE_S3C_SERIAL_FUNCTIONS(1);
-struct serial_device s3c24xx_serial1_device =
- INIT_S3C_SERIAL_STRUCTURE(1, "s3ser1", "S3UART2");
-DECLARE_S3C_SERIAL_FUNCTIONS(2);
-struct serial_device s3c24xx_serial2_device =
- INIT_S3C_SERIAL_STRUCTURE(2, "s3ser2", "S3UART3");
-
-#endif /* CONFIG_SERIAL_MULTI */
-
-#endif /* defined(CONFIG_S3C2400) || defined (CONFIG_S3C2410) || defined (CONFIG_TRAB) */