diff options
author | Anup Patel <anup.patel@wdc.com> | 2020-04-24 14:30:37 +0300 |
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committer | Anup Patel <anup@brainfault.org> | 2020-05-01 07:32:39 +0300 |
commit | 76a89403c8efa58582fe35cf942e80be7f5f36f9 (patch) | |
tree | 6dfe764a67a13b485ed6d5538176d9e2241fb175 /include/sbi_utils | |
parent | 75322a634bc8494fc5cf0f5290c81e1100789631 (diff) | |
download | opensbi-76a89403c8efa58582fe35cf942e80be7f5f36f9.tar.xz |
lib: utils: Add simple FDT serial framework
We add simple serial framework which will select and use serial driver
based on details in FDT passed by previous booting stage.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
Diffstat (limited to 'include/sbi_utils')
-rw-r--r-- | include/sbi_utils/serial/fdt_serial.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/sbi_utils/serial/fdt_serial.h b/include/sbi_utils/serial/fdt_serial.h new file mode 100644 index 0000000..08f9799 --- /dev/null +++ b/include/sbi_utils/serial/fdt_serial.h @@ -0,0 +1,28 @@ +/* + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2020 Western Digital Corporation or its affiliates. + * + * Authors: + * Anup Patel <anup.patel@wdc.com> + */ + +#ifndef __FDT_SERIAL_H__ +#define __FDT_SERIAL_H__ + +#include <sbi/sbi_types.h> + +struct fdt_serial { + const struct fdt_match *match_table; + int (*init)(void *fdt, int nodeoff, const struct fdt_match *match); + void (*putc)(char ch); + int (*getc)(void); +}; + +void fdt_serial_putc(char ch); + +int fdt_serial_getc(void); + +int fdt_serial_init(void); + +#endif |