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Diffstat (limited to 'roms/u-boot/include/iomux.h')
| -rw-r--r-- | roms/u-boot/include/iomux.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/roms/u-boot/include/iomux.h b/roms/u-boot/include/iomux.h new file mode 100644 index 000000000..37f5f6dee --- /dev/null +++ b/roms/u-boot/include/iomux.h @@ -0,0 +1,37 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * (C) Copyright 2008 + * Gary Jennejohn, DENX Software Engineering GmbH, garyj@denx.de. + */ + +#ifndef _IO_MUX_H +#define _IO_MUX_H + +#include <stdio_dev.h> + +/* + * Stuff required to support console multiplexing. + */ + +/* + * Pointers to devices used for each file type. Defined in console.c + * but storage is allocated in iomux.c. + */ +extern struct stdio_dev **console_devices[MAX_FILES]; +/* + * The count of devices assigned to each FILE. Defined in console.c + * and populated in iomux.c. + */ +extern int cd_count[MAX_FILES]; + +#define for_each_console_dev(i, file, dev) \ + for (i = 0, dev = console_devices[file][i]; \ + i < cd_count[file]; \ + i++, dev = console_devices[file][i]) + +int iomux_match_device(struct stdio_dev **, const int, struct stdio_dev *); +int iomux_doenv(const int, const char *); +int iomux_replace_device(const int, const char *, const char *); +void iomux_printdevs(const int); + +#endif /* _IO_MUX_H */ |