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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* (c) Copyright 2006 Benjamin Herrenschmidt, IBM Corp.
* <benh@kernel.crashing.org>
*/
#ifndef _ASM_POWERPC_DCR_H
#define _ASM_POWERPC_DCR_H
#ifdef __KERNEL__
#ifndef __ASSEMBLY__
#ifdef CONFIG_PPC_DCR
#include <asm/dcr-native.h>
typedef dcr_host_native_t dcr_host_t;
#define DCR_MAP_OK(host) dcr_map_ok_native(host)
#define dcr_map(dev, dcr_n, dcr_c) dcr_map_native(dev, dcr_n, dcr_c)
#define dcr_unmap(host, dcr_c) dcr_unmap_native(host, dcr_c)
#define dcr_read(host, dcr_n) dcr_read_native(host, dcr_n)
#define dcr_write(host, dcr_n, value) dcr_write_native(host, dcr_n, value)
/*
* additional helpers to read the DCR * base from the device-tree
*/
struct device_node;
extern unsigned int dcr_resource_start(const struct device_node *np,
unsigned int index);
extern unsigned int dcr_resource_len(const struct device_node *np,
unsigned int index);
#endif /* CONFIG_PPC_DCR */
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_DCR_H */
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