X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=common%2Fstdio.c;h=adbfc890dd4d8ac907cd73b7e9c4a481bda6150a;hp=97ff9cf4a6a49f533f90240e9469bd4063986a11;hb=b6abcbe91215ee2dd4421399b8579fcaddd3a948;hpb=88c5c68ffa277bf01b3254cf5a059e2cbe07be97 diff --git a/common/stdio.c b/common/stdio.c index 97ff9cf4a6..adbfc890dd 100644 --- a/common/stdio.c +++ b/common/stdio.c @@ -1,28 +1,17 @@ /* - * (C) Copyright 2000 - * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it + * Copyright (C) 2009 Sergey Kubushyn * - * See file CREDITS for list of people who contributed to this - * project. + * Changes for multibus/multiadapter I2C support. * - * 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. + * (C) Copyright 2000 + * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it * - * 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 + * SPDX-License-Identifier: GPL-2.0+ */ #include #include +#include #include #include #include @@ -30,7 +19,8 @@ #ifdef CONFIG_LOGBUFFER #include #endif -#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) + +#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C) #include #endif @@ -44,25 +34,48 @@ char *stdio_names[MAX_FILES] = { "stdin", "stdout", "stderr" }; #define CONFIG_SYS_DEVICE_NULLDEV 1 #endif +#ifdef CONFIG_SYS_STDIO_DEREGISTER +#define CONFIG_SYS_DEVICE_NULLDEV 1 +#endif #ifdef CONFIG_SYS_DEVICE_NULLDEV -void nulldev_putc(const char c) +static void nulldev_putc(struct stdio_dev *dev, const char c) { /* nulldev is empty! */ } -void nulldev_puts(const char *s) +static void nulldev_puts(struct stdio_dev *dev, const char *s) { /* nulldev is empty! */ } -int nulldev_input(void) +static int nulldev_input(struct stdio_dev *dev) { /* nulldev is empty! */ return 0; } #endif +static void stdio_serial_putc(struct stdio_dev *dev, const char c) +{ + serial_putc(c); +} + +static void stdio_serial_puts(struct stdio_dev *dev, const char *s) +{ + serial_puts(s); +} + +static int stdio_serial_getc(struct stdio_dev *dev) +{ + return serial_getc(); +} + +static int stdio_serial_tstc(struct stdio_dev *dev) +{ + return serial_tstc(); +} + /************************************************************************** * SYSTEM DRIVERS ************************************************************************** @@ -76,10 +89,10 @@ static void drv_system_init (void) strcpy (dev.name, "serial"); dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT | DEV_FLAGS_SYSTEM; - dev.putc = serial_putc; - dev.puts = serial_puts; - dev.getc = serial_getc; - dev.tstc = serial_tstc; + dev.putc = stdio_serial_putc; + dev.puts = stdio_serial_puts; + dev.getc = stdio_serial_getc; + dev.tstc = stdio_serial_tstc; stdio_register (&dev); #ifdef CONFIG_SYS_DEVICE_NULLDEV @@ -139,35 +152,42 @@ struct stdio_dev* stdio_clone(struct stdio_dev *dev) return _dev; } -int stdio_register (struct stdio_dev * dev) +int stdio_register_dev(struct stdio_dev *dev, struct stdio_dev **devp) { struct stdio_dev *_dev; _dev = stdio_clone(dev); if(!_dev) - return -1; + return -ENODEV; list_add_tail(&(_dev->list), &(devs.list)); + if (devp) + *devp = _dev; + return 0; } +int stdio_register(struct stdio_dev *dev) +{ + return stdio_register_dev(dev, NULL); +} + /* deregister the device "devname". * returns 0 if success, -1 if device is assigned and 1 if devname not found */ #ifdef CONFIG_SYS_STDIO_DEREGISTER -int stdio_deregister(const char *devname) +int stdio_deregister_dev(struct stdio_dev *dev, int force) { int l; struct list_head *pos; - struct stdio_dev *dev; char temp_names[3][16]; - dev = stdio_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) { + if (force) { + strcpy(temp_names[l], "nulldev"); + continue; + } /* Device is assigned -> report error */ return -1; } @@ -177,6 +197,7 @@ int stdio_deregister(const char *devname) } list_del(&(dev->list)); + free(dev); /* reassign Device list */ list_for_each(pos, &(devs.list)) { @@ -188,9 +209,21 @@ int stdio_deregister(const char *devname) } return 0; } + +int stdio_deregister(const char *devname, int force) +{ + struct stdio_dev *dev; + + dev = stdio_get_by_name(devname); + + if (!dev) /* device not found */ + return -ENODEV; + + return stdio_deregister_dev(dev, force); +} #endif /* CONFIG_SYS_STDIO_DEREGISTER */ -int stdio_init (void) +int stdio_init_tables(void) { #if defined(CONFIG_NEEDS_MANUAL_RELOC) /* already relocated for current ARM implementation */ @@ -207,12 +240,18 @@ int stdio_init (void) /* 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) + return 0; +} + +int stdio_add_devices(void) +{ +#ifdef CONFIG_SYS_I2C + i2c_init_all(); +#else +#if defined(CONFIG_HARD_I2C) i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); #endif +#endif #ifdef CONFIG_LCD drv_lcd_init (); #endif @@ -239,5 +278,14 @@ int stdio_init (void) #ifdef CONFIG_CBMEM_CONSOLE cbmemc_init(); #endif - return (0); + + return 0; +} + +int stdio_init(void) +{ + stdio_init_tables(); + stdio_add_devices(); + + return 0; }