1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_CRIS_ARCH_ARBITER_H 3 #define _ASM_CRIS_ARCH_ARBITER_H 4 5 #define EXT_REGION 0 6 #define INT_REGION 1 7 8 typedef void (watch_callback)(void); 9 10 enum { 11 arbiter_all_dmas = 0x7fe, 12 arbiter_cpu = 0x1800, 13 arbiter_all_clients = 0x7fff 14 }; 15 16 enum { 17 arbiter_bar_all_clients = 0x1ff 18 }; 19 20 enum { 21 arbiter_all_read = 0x55, 22 arbiter_all_write = 0xaa, 23 arbiter_all_accesses = 0xff 24 }; 25 26 #define MARB_CLIENTS(foo_cli, bar_cli) (((bar_cli) << 16) | (foo_cli)) 27 28 int crisv32_arbiter_allocate_bandwidth(int client, int region, 29 unsigned long bandwidth); 30 int crisv32_arbiter_watch(unsigned long start, unsigned long size, 31 unsigned long clients, unsigned long accesses, 32 watch_callback * cb); 33 int crisv32_arbiter_unwatch(int id); 34 35 #endif 36