diff options
Diffstat (limited to 'common/serial.c')
| -rw-r--r-- | common/serial.c | 305 |
1 files changed, 0 insertions, 305 deletions
diff --git a/common/serial.c b/common/serial.c deleted file mode 100644 index 75cc1bb71c..0000000000 --- a/common/serial.c +++ /dev/null @@ -1,305 +0,0 @@ -/* - * (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 <stdio_dev.h> -#include <post.h> -#include <linux/compiler.h> - -DECLARE_GLOBAL_DATA_PTR; - -static struct serial_device *serial_devices; -static struct serial_device *serial_current; - -void serial_register(struct serial_device *dev) -{ -#ifdef CONFIG_NEEDS_MANUAL_RELOC - 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; -#endif - - dev->next = serial_devices; - serial_devices = dev; -} - -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_SYS_NS16550_SERIAL) -#if defined(CONFIG_SYS_NS16550_COM1) - serial_register(&eserial1_device); -#endif -#if defined(CONFIG_SYS_NS16550_COM2) - serial_register(&eserial2_device); -#endif -#if defined(CONFIG_SYS_NS16550_COM3) - serial_register(&eserial3_device); -#endif -#if defined(CONFIG_SYS_NS16550_COM4) - serial_register(&eserial4_device); -#endif -#endif /* CONFIG_SYS_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 -#if defined(CONFIG_S5P) - serial_register(&s5p_serial0_device); - serial_register(&s5p_serial1_device); - serial_register(&s5p_serial2_device); - serial_register(&s5p_serial3_device); -#endif -#if defined(CONFIG_MPC512X) -#if defined(CONFIG_SYS_PSC1) - serial_register(&serial1_device); -#endif -#if defined(CONFIG_SYS_PSC3) - serial_register(&serial3_device); -#endif -#if defined(CONFIG_SYS_PSC4) - serial_register(&serial4_device); -#endif -#if defined(CONFIG_SYS_PSC6) - serial_register(&serial6_device); -#endif -#endif -#if defined(CONFIG_SYS_BFIN_UART) - serial_register_bfin_uart(); -#endif -#if defined(CONFIG_XILINX_UARTLITE) -# ifdef XILINX_UARTLITE_BASEADDR - serial_register(&uartlite_serial0_device); -# endif /* XILINX_UARTLITE_BASEADDR */ -# ifdef XILINX_UARTLITE_BASEADDR1 - serial_register(&uartlite_serial1_device); -# endif /* XILINX_UARTLITE_BASEADDR1 */ -# ifdef XILINX_UARTLITE_BASEADDR2 - serial_register(&uartlite_serial2_device); -# endif /* XILINX_UARTLITE_BASEADDR2 */ -# ifdef XILINX_UARTLITE_BASEADDR3 - serial_register(&uartlite_serial3_device); -# endif /* XILINX_UARTLITE_BASEADDR3 */ -#endif /* CONFIG_XILINX_UARTLITE */ - serial_assign(default_serial_console()->name); -} - -void serial_stdio_init(void) -{ - struct stdio_dev 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.stop = s->uninit; - dev.putc = s->putc; - dev.puts = s->puts; - dev.getc = s->getc; - dev.tstc = s->tstc; - - stdio_register(&dev); - - s = s->next; - } -} - -int serial_assign(const 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(); -} - -static struct serial_device *get_current(void) -{ - struct serial_device *dev; - - if (!(gd->flags & GD_FLG_RELOC) || !serial_current) { - dev = default_serial_console(); - - /* We must have a console device */ - if (!dev) - panic("Cannot find console"); - } else - dev = serial_current; - return dev; -} - -int serial_init(void) -{ - return get_current()->init(); -} - -void serial_setbrg(void) -{ - get_current()->setbrg(); -} - -int serial_getc(void) -{ - return get_current()->getc(); -} - -int serial_tstc(void) -{ - return get_current()->tstc(); -} - -void serial_putc(const char c) -{ - get_current()->putc(c); -} - -void serial_puts(const char *s) -{ - get_current()->puts(s); -} - -#if CONFIG_POST & CONFIG_SYS_POST_UART -static const int bauds[] = CONFIG_SYS_BAUDRATE_TABLE; - -/* Mark weak until post/cpu/.../uart.c migrate over */ -__weak -int uart_post_test(int flags) -{ - unsigned char c; - int ret, saved_baud, b; - struct serial_device *saved_dev, *s; - bd_t *bd = gd->bd; - - /* Save current serial state */ - ret = 0; - saved_dev = serial_current; - saved_baud = bd->bi_baudrate; - - for (s = serial_devices; s; s = s->next) { - /* If this driver doesn't support loop back, skip it */ - if (!s->loop) - continue; - - /* Test the next device */ - serial_current = s; - - ret = serial_init(); - if (ret) - goto done; - - /* Consume anything that happens to be queued */ - while (serial_tstc()) - serial_getc(); - - /* Enable loop back */ - s->loop(1); - - /* Test every available baud rate */ - for (b = 0; b < ARRAY_SIZE(bauds); ++b) { - bd->bi_baudrate = bauds[b]; - serial_setbrg(); - - /* - * Stick to printable chars to avoid issues: - * - terminal corruption - * - serial program reacting to sequences and sending - * back random extra data - * - most serial drivers add in extra chars (like \r\n) - */ - for (c = 0x20; c < 0x7f; ++c) { - /* Send it out */ - serial_putc(c); - - /* Make sure it's the same one */ - ret = (c != serial_getc()); - if (ret) { - s->loop(0); - goto done; - } - - /* Clean up the output in case it was sent */ - serial_putc('\b'); - ret = ('\b' != serial_getc()); - if (ret) { - s->loop(0); - goto done; - } - } - } - - /* Disable loop back */ - s->loop(0); - - /* XXX: There is no serial_uninit() !? */ - if (s->uninit) - s->uninit(); - } - - done: - /* Restore previous serial state */ - serial_current = saved_dev; - bd->bi_baudrate = saved_baud; - serial_reinit_all(); - serial_setbrg(); - - return ret; -} -#endif |