1/* 2 * 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; 8unsigned long gen_config_ii_shadow; 9unsigned 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 * 22 * A common usage is that CSP0 controls LEDs and CSP4 video chips. 23 */ 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