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Diffstat (limited to 'include/asm-sh64/platform.h')
-rw-r--r-- | include/asm-sh64/platform.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/include/asm-sh64/platform.h b/include/asm-sh64/platform.h new file mode 100644 index 000000000000..7046a9014027 --- /dev/null +++ b/include/asm-sh64/platform.h | |||
@@ -0,0 +1,69 @@ | |||
1 | #ifndef __ASM_SH64_PLATFORM_H | ||
2 | #define __ASM_SH64_PLATFORM_H | ||
3 | |||
4 | /* | ||
5 | * This file is subject to the terms and conditions of the GNU General Public | ||
6 | * License. See the file "COPYING" in the main directory of this archive | ||
7 | * for more details. | ||
8 | * | ||
9 | * include/asm-sh64/platform.h | ||
10 | * | ||
11 | * Copyright (C) 2000, 2001 Paolo Alberelli | ||
12 | * | ||
13 | * benedict.gaster@superh.com: 3rd May 2002 | ||
14 | * Added support for ramdisk, removing statically linked romfs at the same time. | ||
15 | */ | ||
16 | |||
17 | #include <linux/ioport.h> | ||
18 | #include <asm/irq.h> | ||
19 | |||
20 | |||
21 | /* | ||
22 | * Platform definition structure. | ||
23 | */ | ||
24 | struct sh64_platform { | ||
25 | unsigned int readonly_rootfs; | ||
26 | unsigned int ramdisk_flags; | ||
27 | unsigned int initial_root_dev; | ||
28 | unsigned int loader_type; | ||
29 | unsigned int initrd_start; | ||
30 | unsigned int initrd_size; | ||
31 | unsigned int fpu_flags; | ||
32 | unsigned int io_res_count; | ||
33 | unsigned int kram_res_count; | ||
34 | unsigned int xram_res_count; | ||
35 | unsigned int rom_res_count; | ||
36 | struct resource *io_res_p; | ||
37 | struct resource *kram_res_p; | ||
38 | struct resource *xram_res_p; | ||
39 | struct resource *rom_res_p; | ||
40 | }; | ||
41 | |||
42 | extern struct sh64_platform platform_parms; | ||
43 | |||
44 | extern unsigned long long memory_start, memory_end; | ||
45 | |||
46 | extern unsigned long long fpu_in_use; | ||
47 | |||
48 | extern int platform_int_priority[NR_INTC_IRQS]; | ||
49 | |||
50 | #define FPU_FLAGS (platform_parms.fpu_flags) | ||
51 | #define STANDARD_IO_RESOURCES (platform_parms.io_res_count) | ||
52 | #define STANDARD_KRAM_RESOURCES (platform_parms.kram_res_count) | ||
53 | #define STANDARD_XRAM_RESOURCES (platform_parms.xram_res_count) | ||
54 | #define STANDARD_ROM_RESOURCES (platform_parms.rom_res_count) | ||
55 | |||
56 | /* | ||
57 | * Kernel Memory description, Respectively: | ||
58 | * code = last but one memory descriptor | ||
59 | * data = last memory descriptor | ||
60 | */ | ||
61 | #define code_resource (platform_parms.kram_res_p[STANDARD_KRAM_RESOURCES - 2]) | ||
62 | #define data_resource (platform_parms.kram_res_p[STANDARD_KRAM_RESOURCES - 1]) | ||
63 | |||
64 | /* Be prepared to 64-bit sign extensions */ | ||
65 | #define PFN_UP(x) ((((x) + PAGE_SIZE-1) >> PAGE_SHIFT) & 0x000fffff) | ||
66 | #define PFN_DOWN(x) (((x) >> PAGE_SHIFT) & 0x000fffff) | ||
67 | #define PFN_PHYS(x) ((x) << PAGE_SHIFT) | ||
68 | |||
69 | #endif /* __ASM_SH64_PLATFORM_H */ | ||