/* * (C) Copyright 2004 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * 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 <common.h> #include <serial.h> #include <devices.h> DECLARE_GLOBAL_DATA_PTR; #if defined(CONFIG_SERIAL_MULTI) static struct serial_device *serial_devices = NULL; static struct serial_device *serial_current = NULL; #if !defined(CONFIG_LWMON) && !defined(CONFIG_PXA27X) struct serial_device *__default_serial_console (void) { #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2) return &serial_smc_device; #elif defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \ || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4) return &serial_scc_device; #elif defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) \ || defined(CONFIG_405EP) || defined(CONFIG_405EZ) || defined(CONFIG_405EX) \ || defined(CONFIG_MPC5xxx) #if defined(CONFIG_CONS_INDEX) && defined(CFG_NS16550_SERIAL) #if (CONFIG_CONS_INDEX==1) return &eserial1_device; #elif (CONFIG_CONS_INDEX==2) return &eserial2_device; #elif (CONFIG_CONS_INDEX==3) return &eserial3_device; #elif (CONFIG_CONS_INDEX==4) return &eserial4_device; #else #error "Bad CONFIG_CONS_INDEX." #endif #elif defined(CONFIG_UART1_CONSOLE) return &serial1_device; #else return &serial0_device; #endif #elif defined(CONFIG_S3C2410) #if defined(CONFIG_SERIAL1) return &s3c24xx_serial0_device; #elif defined(CONFIG_SERIAL2) return &s3c24xx_serial1_device; #elif defined(CONFIG_SERIAL3) return &s3c24xx_serial2_device; #else #error "CONFIG_SERIAL? missing." #endif #else #error No default console #endif } struct serial_device *default_serial_console(void) __attribute__((weak, alias("__default_serial_console"))); #endif int serial_register (struct serial_device *dev) { dev->init += gd->reloc_off; dev->setbrg += gd->reloc_off; dev->getc += gd->reloc_off; dev->tstc += gd->reloc_off; dev->putc += gd->reloc_off; dev->puts += gd->reloc_off; dev->next = serial_devices; serial_devices = dev; return 0; } void serial_initialize (void) { #if defined(CONFIG_8xx_CONS_SMC1) || defined(CONFIG_8xx_CONS_SMC2) serial_register (&serial_smc_device); #endif #if defined(CONFIG_8xx_CONS_SCC1) || defined(CONFIG_8xx_CONS_SCC2) \ || defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4) serial_register (&serial_scc_device); #endif #if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) \ || defined(CONFIG_405EP) || defined(CONFIG_405EZ) || defined(CONFIG_405EX) \ || defined(CONFIG_MPC5xxx) serial_register(&serial0_device); serial_register(&serial1_device); #endif #if defined(CFG_NS16550_SERIAL) #if defined(CFG_NS16550_COM1) serial_register(&eserial1_device); #endif #if defined(CFG_NS16550_COM2) serial_register(&eserial2_device); #endif #if defined(CFG_NS16550_COM3) serial_register(&eserial3_device); #endif #if defined(CFG_NS16550_COM4) serial_register(&eserial4_device); #endif #endif /* CFG_NS16550_SERIAL */ #if defined (CONFIG_FFUART) serial_register(&serial_ffuart_device); #endif #if defined (CONFIG_BTUART) serial_register(&serial_btuart_device); #endif #if defined (CONFIG_STUART) serial_register(&serial_stuart_device); #endif #if defined(CONFIG_S3C2410) serial_register(&s3c24xx_serial0_device); serial_register(&s3c24xx_serial1_device); serial_register(&s3c24xx_serial2_device); #endif serial_assign (default_serial_console ()->name); } void serial_devices_init (void) { device_t dev; struct serial_device *s = serial_devices; while (s) { memset (&dev, 0, sizeof (dev)); strcpy (dev.name, s->name); dev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_INPUT; dev.start = s->init; dev.putc = s->putc; dev.puts = s->puts; dev.getc = s->getc; dev.tstc = s->tstc; device_register (&dev); s = s->next; } } int serial_assign (char *name) { struct serial_device *s; for (s = serial_devices; s; s = s->next) { if (strcmp (s->name, name) == 0) { serial_current = s; return 0; } } return 1; } void serial_reinit_all (void) { struct serial_device *s; for (s = serial_devices; s; s = s->next) { s->init (); } } int serial_init (void) { if (!(gd->flags & GD_FLG_RELOC) || !serial_current) { struct serial_device *dev = default_serial_console (); return dev->init (); } return serial_current->init (); } void serial_setbrg (void) { if (!(gd->flags & GD_FLG_RELOC) || !serial_current) { struct serial_device *dev = default_serial_console (); dev->setbrg (); return; } serial_current->setbrg (); } int serial_getc (void) { if (!(gd->flags & GD_FLG_RELOC) || !serial_current) { struct serial_device *dev = default_serial_console (); return dev->getc (); } return serial_current->getc (); } int serial_tstc (void) { if (!(gd->flags & GD_FLG_RELOC) || !serial_current) { struct serial_device *dev = default_serial_console (); return dev->tstc (); } return serial_current->tstc (); } void serial_putc (const char c) { if (!(gd->flags & GD_FLG_RELOC) || !serial_current) { struct serial_device *dev = default_serial_console (); dev->putc (c); return; } serial_current->putc (c); } void serial_puts (const char *s) { if (!(gd->flags & GD_FLG_RELOC) || !serial_current) { struct serial_device *dev = default_serial_console (); dev->puts (s); return; } serial_current->puts (s); } #endif /* CONFIG_SERIAL_MULTI */