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| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
|---|---|
| 2 | /* |
| 3 | * (c) Copyright 2006 Benjamin Herrenschmidt, IBM Corp. |
| 4 | * <benh@kernel.crashing.org> |
| 5 | */ |
| 6 | |
| 7 | #ifndef _ASM_POWERPC_DCR_H |
| 8 | #define _ASM_POWERPC_DCR_H |
| 9 | #ifdef __KERNEL__ |
| 10 | #ifndef __ASSEMBLER__ |
| 11 | #ifdef CONFIG_PPC_DCR |
| 12 | |
| 13 | #include <asm/dcr-native.h> |
| 14 | |
| 15 | typedef dcr_host_native_t dcr_host_t; |
| 16 | #define DCR_MAP_OK(host) dcr_map_ok_native(host) |
| 17 | #define dcr_map(dev, dcr_n, dcr_c) dcr_map_native(dev, dcr_n, dcr_c) |
| 18 | #define dcr_unmap(host, dcr_c) dcr_unmap_native(host, dcr_c) |
| 19 | #define dcr_read(host, dcr_n) dcr_read_native(host, dcr_n) |
| 20 | #define dcr_write(host, dcr_n, value) dcr_write_native(host, dcr_n, value) |
| 21 | |
| 22 | /* |
| 23 | * additional helpers to read the DCR * base from the device-tree |
| 24 | */ |
| 25 | struct device_node; |
| 26 | extern unsigned int dcr_resource_start(const struct device_node *np, |
| 27 | unsigned int index); |
| 28 | extern unsigned int dcr_resource_len(const struct device_node *np, |
| 29 | unsigned int index); |
| 30 | #endif /* CONFIG_PPC_DCR */ |
| 31 | #endif /* __ASSEMBLER__ */ |
| 32 | #endif /* __KERNEL__ */ |
| 33 | #endif /* _ASM_POWERPC_DCR_H */ |
| 34 |
Warning: This file is not a C or C++ file. It does not have highlighting.