79 lines
2.7 KiB
C
79 lines
2.7 KiB
C
|
/*
|
||
|
|
* (c) Copyright 2006 Benjamin Herrenschmidt, IBM Corp.
|
||
|
|
* <benh@kernel.crashing.org>
|
||
|
|
*
|
||
|
|
* 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
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _ASM_POWERPC_DCR_H
|
||
|
|
#define _ASM_POWERPC_DCR_H
|
||
|
|
#ifdef __KERNEL__
|
||
|
|
#ifndef __ASSEMBLY__
|
||
|
|
#ifdef CONFIG_PPC_DCR
|
||
|
|
|
||
|
|
#ifdef CONFIG_PPC_DCR_NATIVE
|
||
|
|
#include <asm/dcr-native.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef CONFIG_PPC_DCR_MMIO
|
||
|
|
#include <asm/dcr-mmio.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
/* Indirection layer for providing both NATIVE and MMIO support. */
|
||
|
|
|
||
|
|
#if defined(CONFIG_PPC_DCR_NATIVE) && defined(CONFIG_PPC_DCR_MMIO)
|
||
|
|
|
||
|
|
#include <asm/dcr-generic.h>
|
||
|
|
|
||
|
|
#define DCR_MAP_OK(host) dcr_map_ok_generic(host)
|
||
|
|
#define dcr_map(dev, dcr_n, dcr_c) dcr_map_generic(dev, dcr_n, dcr_c)
|
||
|
|
#define dcr_unmap(host, dcr_c) dcr_unmap_generic(host, dcr_c)
|
||
|
|
#define dcr_read(host, dcr_n) dcr_read_generic(host, dcr_n)
|
||
|
|
#define dcr_write(host, dcr_n, value) dcr_write_generic(host, dcr_n, value)
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
#ifdef CONFIG_PPC_DCR_NATIVE
|
||
|
|
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)
|
||
|
|
#else
|
||
|
|
typedef dcr_host_mmio_t dcr_host_t;
|
||
|
|
#define DCR_MAP_OK(host) dcr_map_ok_mmio(host)
|
||
|
|
#define dcr_map(dev, dcr_n, dcr_c) dcr_map_mmio(dev, dcr_n, dcr_c)
|
||
|
|
#define dcr_unmap(host, dcr_c) dcr_unmap_mmio(host, dcr_c)
|
||
|
|
#define dcr_read(host, dcr_n) dcr_read_mmio(host, dcr_n)
|
||
|
|
#define dcr_write(host, dcr_n, value) dcr_write_mmio(host, dcr_n, value)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* defined(CONFIG_PPC_DCR_NATIVE) && defined(CONFIG_PPC_DCR_MMIO) */
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 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 */
|