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author | wdenk <wdenk> | 2003-04-08 23:25:21 +0000 |
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committer | wdenk <wdenk> | 2003-04-08 23:25:21 +0000 |
commit | 60fbe254243ec461ec73da13132be098db33d3fa (patch) | |
tree | af82977065ec5f1fdea17bd1056395005d652d24 /board/purple/sconsole.c | |
parent | 3e38691e8f7aa0d9b498d76c7279ddec6e4946f3 (diff) | |
download | u-boot-imx-60fbe254243ec461ec73da13132be098db33d3fa.zip u-boot-imx-60fbe254243ec461ec73da13132be098db33d3fa.tar.gz u-boot-imx-60fbe254243ec461ec73da13132be098db33d3fa.tar.bz2 |
Prepare for 0.3.0 release
* Add support for Purple Board (MIPS64 5Kc)
* Add support for MIPS64 5Kc CPUs
Diffstat (limited to 'board/purple/sconsole.c')
-rw-r--r-- | board/purple/sconsole.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/board/purple/sconsole.c b/board/purple/sconsole.c new file mode 100644 index 0000000..f52d50d --- /dev/null +++ b/board/purple/sconsole.c @@ -0,0 +1,125 @@ +/* + * (C) Copyright 2002 + * 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 <config.h> +#include <common.h> + +#include "sconsole.h" + +void (*sconsole_putc) (char) = 0; +void (*sconsole_puts) (const char *) = 0; +int (*sconsole_getc) (void) = 0; +int (*sconsole_tstc) (void) = 0; +void (*sconsole_setbrg) (void) = 0; + +int serial_init (void) +{ + sconsole_buffer_t *sb = SCONSOLE_BUFFER; + + sb->pos = 0; + sb->size = 0; + sb->max_size = CFG_SCONSOLE_SIZE - sizeof (sconsole_buffer_t); + + return (0); +} + +void serial_putc (char c) +{ + if (sconsole_putc) { + (*sconsole_putc) (c); + } else { + sconsole_buffer_t *sb = SCONSOLE_BUFFER; + + if (c) { + sb->data[sb->pos++] = c; + if (sb->pos == sb->max_size) { + sb->pos = 0; + } + if (sb->size < sb->max_size) { + sb->size++; + } + } + } +} + +void serial_puts (const char *s) +{ + if (sconsole_puts) { + (*sconsole_puts) (s); + } else { + sconsole_buffer_t *sb = SCONSOLE_BUFFER; + + while (*s) { + sb->data[sb->pos++] = *s++; + if (sb->pos == sb->max_size) { + sb->pos = 0; + } + if (sb->size < sb->max_size) { + sb->size++; + } + } + } +} + +int serial_getc (void) +{ + if (sconsole_getc) { + return (*sconsole_getc) (); + } else { + return 0; + } +} + +int serial_tstc (void) +{ + if (sconsole_tstc) { + return (*sconsole_tstc) (); + } else { + return 0; + } +} + +void serial_setbrg (void) +{ + if (sconsole_setbrg) { + (*sconsole_setbrg) (); + } +} + +void sconsole_flush (void) +{ + if (sconsole_putc) { + sconsole_buffer_t *sb = SCONSOLE_BUFFER; + unsigned int end = sb->pos < sb->size + ? sb->pos + sb->max_size - sb->size + : sb->pos - sb->size; + + while (sb->size) { + (*sconsole_putc) (sb->data[end++]); + if (end == sb->max_size) { + end = 0; + } + sb->size--; + } + } +} |