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Diffstat (limited to 'common/devices.c')
| -rw-r--r-- | common/devices.c | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/common/devices.c b/common/devices.c deleted file mode 100644 index ba53c9b..0000000 --- a/common/devices.c +++ /dev/null @@ -1,251 +0,0 @@ -/* - * (C) Copyright 2000 - * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it - * - * 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 <config.h> -#include <common.h> -#include <stdarg.h> -#include <malloc.h> -#include <devices.h> -#include <serial.h> -#ifdef CONFIG_LOGBUFFER -#include <logbuff.h> -#endif -#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) -#include <i2c.h> -#endif - -DECLARE_GLOBAL_DATA_PTR; - -static device_t devs; -device_t *stdio_devices[] = { NULL, NULL, NULL }; -char *stdio_names[MAX_FILES] = { "stdin", "stdout", "stderr" }; - -#if defined(CONFIG_SPLASH_SCREEN) && !defined(CONFIG_SYS_DEVICE_NULLDEV) -#define CONFIG_SYS_DEVICE_NULLDEV 1 -#endif - - -#ifdef CONFIG_SYS_DEVICE_NULLDEV -void nulldev_putc(const char c) -{ - /* nulldev is empty! */ -} - -void nulldev_puts(const char *s) -{ - /* nulldev is empty! */ -} - -int nulldev_input(void) -{ - /* nulldev is empty! */ - return 0; -} -#endif - -/************************************************************************** - * SYSTEM DRIVERS - ************************************************************************** - */ - -static void drv_system_init (void) -{ - device_t dev; - - memset (&dev, 0, sizeof (dev)); - - strcpy (dev.name, "serial"); - dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM; -#ifdef CONFIG_SERIAL_SOFTWARE_FIFO - dev.putc = serial_buffered_putc; - dev.puts = serial_buffered_puts; - dev.getc = serial_buffered_getc; - dev.tstc = serial_buffered_tstc; -#else - dev.putc = serial_putc; - dev.puts = serial_puts; - dev.getc = serial_getc; - dev.tstc = serial_tstc; -#endif - - device_register (&dev); - -#ifdef CONFIG_SYS_DEVICE_NULLDEV - memset (&dev, 0, sizeof (dev)); - - strcpy (dev.name, "nulldev"); - dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM; - dev.putc = nulldev_putc; - dev.puts = nulldev_puts; - dev.getc = nulldev_input; - dev.tstc = nulldev_input; - - device_register (&dev); -#endif -} - -/************************************************************************** - * DEVICES - ************************************************************************** - */ -struct list_head* device_get_list(void) -{ - return &(devs.list); -} - -device_t* device_get_by_name(char* name) -{ - struct list_head *pos; - device_t *dev; - - if(!name) - return NULL; - - list_for_each(pos, &(devs.list)) { - dev = list_entry(pos, device_t, list); - if(strcmp(dev->name, name) == 0) - return dev; - } - - return NULL; -} - -device_t* device_clone(device_t *dev) -{ - device_t *_dev; - - if(!dev) - return NULL; - - _dev = calloc(1, sizeof(device_t)); - - if(!_dev) - return NULL; - - memcpy(_dev, dev, sizeof(device_t)); - strncpy(_dev->name, dev->name, 16); - - return _dev; -} - -int device_register (device_t * dev) -{ - device_t *_dev; - - _dev = device_clone(dev); - if(!_dev) - return -1; - list_add_tail(&(_dev->list), &(devs.list)); - return 0; -} - -/* deregister the device "devname". - * returns 0 if success, -1 if device is assigned and 1 if devname not found - */ -#ifdef CONFIG_SYS_DEVICE_DEREGISTER -int device_deregister(char *devname) -{ - int l; - struct list_head *pos; - device_t *dev; - char temp_names[3][8]; - - dev = device_get_by_name(devname); - - if(!dev) /* device not found */ - return -1; - /* get stdio devices (ListRemoveItem changes the dev list) */ - for (l=0 ; l< MAX_FILES; l++) { - if (stdio_devices[l] == dev) { - /* Device is assigned -> report error */ - return -1; - } - memcpy (&temp_names[l][0], - stdio_devices[l]->name, - sizeof(stdio_devices[l]->name)); - } - - list_del(&(dev->list)); - - /* reassign Device list */ - list_for_each(pos, &(devs.list)) { - dev = list_entry(pos, device_t, list); - for (l=0 ; l< MAX_FILES; l++) { - if(strcmp(dev->name, temp_names[l]) == 0) - stdio_devices[l] = dev; - } - } - return 0; -} -#endif /* CONFIG_SYS_DEVICE_DEREGISTER */ - -int devices_init (void) -{ -#ifndef CONFIG_ARM /* already relocated for current ARM implementation */ - ulong relocation_offset = gd->reloc_off; - int i; - - /* relocate device name pointers */ - for (i = 0; i < (sizeof (stdio_names) / sizeof (char *)); ++i) { - stdio_names[i] = (char *) (((ulong) stdio_names[i]) + - relocation_offset); - } -#endif - - /* Initialize the list */ - INIT_LIST_HEAD(&(devs.list)); - -#ifdef CONFIG_ARM_DCC_MULTI - drv_arm_dcc_init (); -#endif -#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) - i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); -#endif -#ifdef CONFIG_LCD - drv_lcd_init (); -#endif -#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE) - drv_video_init (); -#endif -#ifdef CONFIG_KEYBOARD - drv_keyboard_init (); -#endif -#ifdef CONFIG_LOGBUFFER - drv_logbuff_init (); -#endif - drv_system_init (); -#ifdef CONFIG_SERIAL_MULTI - serial_devices_init (); -#endif -#ifdef CONFIG_USB_TTY - drv_usbtty_init (); -#endif -#ifdef CONFIG_NETCONSOLE - drv_nc_init (); -#endif -#ifdef CONFIG_JTAG_CONSOLE - drv_jtag_console_init (); -#endif - - return (0); -} |