diff options
| author | Dezhong Diao <dediao@cisco.com> | 2010-10-13 10:52:46 +0400 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2010-10-21 21:10:10 +0400 |
| commit | f2ffa5ab74f4dfd598860f96ca37a71c4d0a28a8 (patch) | |
| tree | be560fcb0633ab1e7c4cc0ff9e016e82f33c5712 /arch/mips/include/asm | |
| parent | 32c97689c46b272302053778f1a6c2facb0e220c (diff) | |
| download | linux-f2ffa5ab74f4dfd598860f96ca37a71c4d0a28a8.tar.xz | |
of/mips: Add device tree support to MIPS
Add the ability to enable CONFIG_OF on the MIPS architecture.
Signed-off-by: Dezhong Diao <dediao@cisco.com>
[grant.likely@secretlab.ca: cleared out obsolete hooks,
removed ARCH_HAS_DEVTREE_MEM,
remove __init tags from header file,
removed debugfs support hunk]
[ddaney@linux-mips.org: backed out over aggressive trimming of hooks]
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Tested-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'arch/mips/include/asm')
| -rw-r--r-- | arch/mips/include/asm/irq.h | 5 | ||||
| -rw-r--r-- | arch/mips/include/asm/prom.h | 35 |
2 files changed, 40 insertions, 0 deletions
diff --git a/arch/mips/include/asm/irq.h b/arch/mips/include/asm/irq.h index dea4aed6478f..b003ed52ed17 100644 --- a/arch/mips/include/asm/irq.h +++ b/arch/mips/include/asm/irq.h @@ -16,6 +16,11 @@ #include <irq.h> +static inline void irq_dispose_mapping(unsigned int virq) +{ + return; +} + #ifdef CONFIG_I8259 static inline int irq_canonicalize(int irq) { diff --git a/arch/mips/include/asm/prom.h b/arch/mips/include/asm/prom.h new file mode 100644 index 000000000000..23f8237e18bb --- /dev/null +++ b/arch/mips/include/asm/prom.h @@ -0,0 +1,35 @@ +/* + * arch/mips/include/asm/prom.h + * + * Copyright (C) 2010 Cisco Systems Inc. <dediao@cisco.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ +#ifndef __ASM_MIPS_PROM_H +#define __ASM_MIPS_PROM_H + +#ifdef CONFIG_OF +#include <linux/init.h> + +#include <asm/setup.h> +#include <asm/irq.h> +#include <asm/bootinfo.h> + +/* which is compatible with the flattened device tree (FDT) */ +#define cmd_line arcs_cmdline + +extern int early_init_dt_scan_memory_arch(unsigned long node, + const char *uname, int depth, void *data); + +extern int reserve_mem_mach(unsigned long addr, unsigned long size); +extern void free_mem_mach(unsigned long addr, unsigned long size); + +extern void __init device_tree_init(void); +#else /* CONFIG_OF */ +static inline void __init device_tree_init(void) { } +#endif /* CONFIG_OF */ + +#endif /* _ASM_MIPS_PROM_H */ |