| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778 |
- /*
- * (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 */
|
