From 76a89403c8efa58582fe35cf942e80be7f5f36f9 Mon Sep 17 00:00:00 2001 From: Anup Patel Date: Fri, 24 Apr 2020 17:00:37 +0530 Subject: 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 Reviewed-by: Atish Patra --- include/sbi_utils/serial/fdt_serial.h | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 include/sbi_utils/serial/fdt_serial.h (limited to 'include') diff --git a/include/sbi_utils/serial/fdt_serial.h b/include/sbi_utils/serial/fdt_serial.h new file mode 100644 index 00000000..08f97996 --- /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 + */ + +#ifndef __FDT_SERIAL_H__ +#define __FDT_SERIAL_H__ + +#include + +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 -- cgit v1.3.1