blob: 2454a0b02f54640e5a6fd29896c2ad849fa3beb0 [file] [log] [blame]
Jesper Nilssonda4d0912008-01-21 11:09:56 +01001/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07002 * Various shadow registers. Defines for these are in include/asm-etrax100/io.h
3 */
4
5/* Shadows for internal Etrax-registers */
6
7unsigned long genconfig_shadow;
Mikael Starvik63245d22005-07-27 11:44:35 -07008unsigned long gen_config_ii_shadow;
Linus Torvalds1da177e2005-04-16 15:20:36 -07009unsigned long port_g_data_shadow;
10unsigned char port_pa_dir_shadow;
11unsigned char port_pa_data_shadow;
12unsigned char port_pb_i2c_shadow;
13unsigned char port_pb_config_shadow;
14unsigned char port_pb_dir_shadow;
15unsigned char port_pb_data_shadow;
16unsigned long r_timer_ctrl_shadow;
17
18/* Shadows for external I/O port registers.
19 * These are only usable if there actually IS a latch connected
20 * to the corresponding external chip-select pin.
21 *
Simon Arlott49b4ff32007-10-20 01:08:50 +020022 * A common usage is that CSP0 controls LEDs and CSP4 video chips.
Linus Torvalds1da177e2005-04-16 15:20:36 -070023 */
24
25unsigned long port_cse1_shadow;
26unsigned long port_csp0_shadow;
27unsigned long port_csp4_shadow;
28
29/* Corresponding addresses for the ports.
30 * These are initialized in arch/cris/mm/init.c using ioremap.
31 */
32
33volatile unsigned long *port_cse1_addr;
34volatile unsigned long *port_csp0_addr;
35volatile unsigned long *port_csp4_addr;
36