2 * Various shadow registers. Defines for these are in include/asm-cris/io.h
5 /* Shadows for internal Etrax-registers */
7 unsigned long genconfig_shadow;
8 unsigned long port_g_data_shadow;
9 unsigned char port_pa_dir_shadow;
10 unsigned char port_pa_data_shadow;
11 unsigned char port_pb_i2c_shadow;
12 unsigned char port_pb_config_shadow;
13 unsigned char port_pb_dir_shadow;
14 unsigned char port_pb_data_shadow;
15 unsigned long r_timer_ctrl_shadow;
17 /* Shadows for external I/O port registers.
18 * These are only usable if there actually IS a latch connected
19 * to the corresponding external chip-select pin.
21 * A common usage is that CSP0 controls LED's and CSP4 video chips.
24 unsigned long port_cse1_shadow;
25 unsigned long port_csp0_shadow;
26 unsigned long port_csp4_shadow;
28 /* Corresponding addresses for the ports.
29 * These are initialized in arch/cris/mm/init.c using ioremap.
32 volatile unsigned long *port_cse1_addr;
33 volatile unsigned long *port_csp0_addr;
34 volatile unsigned long *port_csp4_addr;