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lib: utils: Add simple FDT irqchip framework

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We add simple irqchip framework which will select and use irqchip 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 16:56:33 +05:30 • committed by Anup Patel
parent 76f0f81407
commit 75322a634b
4 changed files with 210 additions and 0 deletions
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26
include/sbi_utils/irqchip/fdt_irqchip.h Normal file
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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>
*/
#ifndef __FDT_IRQCHIP_H__
#define __FDT_IRQCHIP_H__
#include <sbi/sbi_types.h>
struct fdt_irqchip {
const struct fdt_match *match_table;
int (*cold_init)(void *fdt, int nodeoff, const struct fdt_match *match);
int (*warm_init)(void);
void (*exit)(void);
};
void fdt_irqchip_exit(void);
int fdt_irqchip_init(bool cold_boot);
#endif