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>
This commit is contained in:
Anup Patel
2020-04-24 17:00:37 +05:30
committed by Anup Patel
parent 75322a634b
commit 76a89403c8
6 changed files with 242 additions and 0 deletions

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/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2020 Western Digital Corporation or its affiliates.
*
* Authors:
* Anup Patel <anup.patel@wdc.com>
*/
#include <sbi_utils/fdt/fdt_helper.h>
#include <sbi_utils/serial/fdt_serial.h>
#include <sbi_utils/sys/htif.h>
static const struct fdt_match serial_htif_match[] = {
{ .compatible = "ucb,htif0" },
{ },
};
struct fdt_serial fdt_serial_htif = {
.match_table = serial_htif_match,
.init = NULL,
.getc = htif_getc,
.putc = htif_putc
};