| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Various shadow registers. Defines for these are in include/asm-etrax100/io.h |
| */ |
| |
| /* Shadows for internal Etrax-registers */ |
| |
| unsigned long genconfig_shadow; |
| unsigned long gen_config_ii_shadow; |
| unsigned long port_g_data_shadow; |
| unsigned char port_pa_dir_shadow; |
| unsigned char port_pa_data_shadow; |
| unsigned char port_pb_i2c_shadow; |
| unsigned char port_pb_config_shadow; |
| unsigned char port_pb_dir_shadow; |
| unsigned char port_pb_data_shadow; |
| unsigned long r_timer_ctrl_shadow; |
| |
| /* Shadows for external I/O port registers. |
| * These are only usable if there actually IS a latch connected |
| * to the corresponding external chip-select pin. |
| * |
| * A common usage is that CSP0 controls LEDs and CSP4 video chips. |
| */ |
| |
| unsigned long port_cse1_shadow; |
| unsigned long port_csp0_shadow; |
| unsigned long port_csp4_shadow; |
| |
| /* Corresponding addresses for the ports. |
| * These are initialized in arch/cris/mm/init.c using ioremap. |
| */ |
| |
| volatile unsigned long *port_cse1_addr; |
| volatile unsigned long *port_csp0_addr; |
| volatile unsigned long *port_csp4_addr; |
| |
