Contributors: 6
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Stephen Neuendorffer |
187 |
72.76% |
1 |
14.29% |
| Benjamin Herrenschmidt |
56 |
21.79% |
1 |
14.29% |
| Kumar Gala |
7 |
2.72% |
2 |
28.57% |
| David Gibson |
3 |
1.17% |
1 |
14.29% |
| Grant Erickson |
2 |
0.78% |
1 |
14.29% |
| Thomas Gleixner |
2 |
0.78% |
1 |
14.29% |
| Total |
257 |
|
7 |
|
/* 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
#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 */