aboutsummaryrefslogtreecommitdiffstats
path: root/arch/cris/include/arch-v32/mach-a3/mach/arbiter.h
blob: 65e9d6ff05208aa69deeab9bf38756b917a011d3 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
#ifndef _ASM_CRIS_ARCH_ARBITER_H
#define _ASM_CRIS_ARCH_ARBITER_H

#define EXT_REGION 0
#define INT_REGION 1

typedef void (watch_callback)(void);

enum {
	arbiter_all_dmas = 0x7fe,
	arbiter_cpu = 0x1800,
	arbiter_all_clients = 0x7fff
};

enum {
	arbiter_bar_all_clients = 0x1ff
};

enum {
	arbiter_all_read = 0x55,
	arbiter_all_write = 0xaa,
	arbiter_all_accesses = 0xff
};

#define MARB_CLIENTS(foo_cli, bar_cli) (((bar_cli) << 16) | (foo_cli))

int crisv32_arbiter_allocate_bandwidth(int client, int region,
		unsigned long bandwidth);
int crisv32_arbiter_watch(unsigned long start, unsigned long size,
		unsigned long clients, unsigned long accesses,
		watch_callback * cb);
int crisv32_arbiter_unwatch(int id);

#endif