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1a59d1b8e0
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 59 temple place suite 330 boston ma 02111 1307 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1334 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
65 lines
2.1 KiB
C
65 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* (c) Copyright 2006 Benjamin Herrenschmidt, IBM Corp.
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* <benh@kernel.crashing.org>
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*/
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#ifndef _ASM_POWERPC_DCR_H
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#define _ASM_POWERPC_DCR_H
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#ifdef __KERNEL__
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#ifndef __ASSEMBLY__
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#ifdef CONFIG_PPC_DCR
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#ifdef CONFIG_PPC_DCR_NATIVE
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#include <asm/dcr-native.h>
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#endif
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#ifdef CONFIG_PPC_DCR_MMIO
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#include <asm/dcr-mmio.h>
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#endif
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/* Indirection layer for providing both NATIVE and MMIO support. */
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#if defined(CONFIG_PPC_DCR_NATIVE) && defined(CONFIG_PPC_DCR_MMIO)
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#include <asm/dcr-generic.h>
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#define DCR_MAP_OK(host) dcr_map_ok_generic(host)
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#define dcr_map(dev, dcr_n, dcr_c) dcr_map_generic(dev, dcr_n, dcr_c)
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#define dcr_unmap(host, dcr_c) dcr_unmap_generic(host, dcr_c)
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#define dcr_read(host, dcr_n) dcr_read_generic(host, dcr_n)
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#define dcr_write(host, dcr_n, value) dcr_write_generic(host, dcr_n, value)
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#else
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#ifdef CONFIG_PPC_DCR_NATIVE
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typedef dcr_host_native_t dcr_host_t;
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#define DCR_MAP_OK(host) dcr_map_ok_native(host)
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#define dcr_map(dev, dcr_n, dcr_c) dcr_map_native(dev, dcr_n, dcr_c)
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#define dcr_unmap(host, dcr_c) dcr_unmap_native(host, dcr_c)
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#define dcr_read(host, dcr_n) dcr_read_native(host, dcr_n)
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#define dcr_write(host, dcr_n, value) dcr_write_native(host, dcr_n, value)
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#else
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typedef dcr_host_mmio_t dcr_host_t;
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#define DCR_MAP_OK(host) dcr_map_ok_mmio(host)
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#define dcr_map(dev, dcr_n, dcr_c) dcr_map_mmio(dev, dcr_n, dcr_c)
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#define dcr_unmap(host, dcr_c) dcr_unmap_mmio(host, dcr_c)
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#define dcr_read(host, dcr_n) dcr_read_mmio(host, dcr_n)
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#define dcr_write(host, dcr_n, value) dcr_write_mmio(host, dcr_n, value)
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#endif
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#endif /* defined(CONFIG_PPC_DCR_NATIVE) && defined(CONFIG_PPC_DCR_MMIO) */
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/*
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* additional helpers to read the DCR * base from the device-tree
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*/
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struct device_node;
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extern unsigned int dcr_resource_start(const struct device_node *np,
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unsigned int index);
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extern unsigned int dcr_resource_len(const struct device_node *np,
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unsigned int index);
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#endif /* CONFIG_PPC_DCR */
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#endif /* __ASSEMBLY__ */
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#endif /* __KERNEL__ */
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#endif /* _ASM_POWERPC_DCR_H */
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