1#ifndef _ASM_ARCH_CRIS_IO_H 2#define _ASM_ARCH_CRIS_IO_H 3 4#include <arch/svinto.h> 5 6/* Etrax shadow registers - which live in arch/cris/kernel/shadows.c */ 7 8extern unsigned long gen_config_ii_shadow; 9extern unsigned long port_g_data_shadow; 10extern unsigned char port_pa_dir_shadow; 11extern unsigned char port_pa_data_shadow; 12extern unsigned char port_pb_i2c_shadow; 13extern unsigned char port_pb_config_shadow; 14extern unsigned char port_pb_dir_shadow; 15extern unsigned char port_pb_data_shadow; 16extern unsigned long r_timer_ctrl_shadow; 17 18extern unsigned long port_cse1_shadow; 19extern unsigned long port_csp0_shadow; 20extern unsigned long port_csp4_shadow; 21 22extern volatile unsigned long *port_cse1_addr; 23extern volatile unsigned long *port_csp0_addr; 24extern volatile unsigned long *port_csp4_addr; 25 26/* macro for setting regs through a shadow - 27 * r = register name (like R_PORT_PA_DATA) 28 * s = shadow name (like port_pa_data_shadow) 29 * b = bit number 30 * v = value (0 or 1) 31 */ 32 33#define REG_SHADOW_SET(r,s,b,v) *r = s = (s & ~(1 << (b))) | ((v) << (b)) 34 35/* The LED's on various Etrax-based products are set differently. */ 36 37#if defined(CONFIG_ETRAX_NO_LEDS) || defined(CONFIG_SVINTO_SIM) 38#undef CONFIG_ETRAX_PA_LEDS 39#undef CONFIG_ETRAX_PB_LEDS 40#undef CONFIG_ETRAX_CSP0_LEDS 41#define CRIS_LED_NETWORK_SET_G(x) 42#define CRIS_LED_NETWORK_SET_R(x) 43#define CRIS_LED_ACTIVE_SET_G(x) 44#define CRIS_LED_ACTIVE_SET_R(x) 45#define CRIS_LED_DISK_WRITE(x) 46#define CRIS_LED_DISK_READ(x) 47#endif 48 49#if !defined(CONFIG_ETRAX_CSP0_LEDS) 50#define CRIS_LED_BIT_SET(x) 51#define CRIS_LED_BIT_CLR(x) 52#endif 53 54#define CRIS_LED_OFF 0x00 55#define CRIS_LED_GREEN 0x01 56#define CRIS_LED_RED 0x02 57#define CRIS_LED_ORANGE (CRIS_LED_GREEN | CRIS_LED_RED) 58 59#if defined(CONFIG_ETRAX_NO_LEDS) 60#define CRIS_LED_NETWORK_SET(x) 61#else 62#if CONFIG_ETRAX_LED1G == CONFIG_ETRAX_LED1R 63#define CRIS_LED_NETWORK_SET(x) \ 64 do { \ 65 CRIS_LED_NETWORK_SET_G((x) & CRIS_LED_GREEN); \ 66 } while (0) 67#else 68#define CRIS_LED_NETWORK_SET(x) \ 69 do { \ 70 CRIS_LED_NETWORK_SET_G((x) & CRIS_LED_GREEN); \ 71 CRIS_LED_NETWORK_SET_R((x) & CRIS_LED_RED); \ 72 } while (0) 73#endif 74#if CONFIG_ETRAX_LED2G == CONFIG_ETRAX_LED2R 75#define CRIS_LED_ACTIVE_SET(x) \ 76 do { \ 77 CRIS_LED_ACTIVE_SET_G((x) & CRIS_LED_GREEN); \ 78 } while (0) 79#else 80#define CRIS_LED_ACTIVE_SET(x) \ 81 do { \ 82 CRIS_LED_ACTIVE_SET_G((x) & CRIS_LED_GREEN); \ 83 CRIS_LED_ACTIVE_SET_R((x) & CRIS_LED_RED); \ 84 } while (0) 85#endif 86#endif 87 88#ifdef CONFIG_ETRAX_PA_LEDS 89#define CRIS_LED_NETWORK_SET_G(x) \ 90 REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED1G, !(x)) 91#define CRIS_LED_NETWORK_SET_R(x) \ 92 REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED1R, !(x)) 93#define CRIS_LED_ACTIVE_SET_G(x) \ 94 REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED2G, !(x)) 95#define CRIS_LED_ACTIVE_SET_R(x) \ 96 REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED2R, !(x)) 97#define CRIS_LED_DISK_WRITE(x) \ 98 do{\ 99 REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED3G, !(x));\ 100 REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED3R, !(x));\ 101 }while(0) 102#define CRIS_LED_DISK_READ(x) \ 103 REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, \ 104 CONFIG_ETRAX_LED3G, !(x)) 105#endif 106 107#ifdef CONFIG_ETRAX_PB_LEDS 108#define CRIS_LED_NETWORK_SET_G(x) \ 109 REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED1G, !(x)) 110#define CRIS_LED_NETWORK_SET_R(x) \ 111 REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED1R, !(x)) 112#define CRIS_LED_ACTIVE_SET_G(x) \ 113 REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED2G, !(x)) 114#define CRIS_LED_ACTIVE_SET_R(x) \ 115 REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED2R, !(x)) 116#define CRIS_LED_DISK_WRITE(x) \ 117 do{\ 118 REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED3G, !(x));\ 119 REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED3R, !(x));\ 120 }while(0) 121#define CRIS_LED_DISK_READ(x) \ 122 REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, \ 123 CONFIG_ETRAX_LED3G, !(x)) 124#endif 125 126#ifdef CONFIG_ETRAX_CSP0_LEDS 127#define CONFIGURABLE_LEDS\ 128 ((1 << CONFIG_ETRAX_LED1G ) | (1 << CONFIG_ETRAX_LED1R ) |\ 129 (1 << CONFIG_ETRAX_LED2G ) | (1 << CONFIG_ETRAX_LED2R ) |\ 130 (1 << CONFIG_ETRAX_LED3G ) | (1 << CONFIG_ETRAX_LED3R ) |\ 131 (1 << CONFIG_ETRAX_LED4G ) | (1 << CONFIG_ETRAX_LED4R ) |\ 132 (1 << CONFIG_ETRAX_LED5G ) | (1 << CONFIG_ETRAX_LED5R ) |\ 133 (1 << CONFIG_ETRAX_LED6G ) | (1 << CONFIG_ETRAX_LED6R ) |\ 134 (1 << CONFIG_ETRAX_LED7G ) | (1 << CONFIG_ETRAX_LED7R ) |\ 135 (1 << CONFIG_ETRAX_LED8Y ) | (1 << CONFIG_ETRAX_LED9Y ) |\ 136 (1 << CONFIG_ETRAX_LED10Y ) |(1 << CONFIG_ETRAX_LED11Y )|\ 137 (1 << CONFIG_ETRAX_LED12R )) 138 139#define CRIS_LED_NETWORK_SET_G(x) \ 140 REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED1G, !(x)) 141#define CRIS_LED_NETWORK_SET_R(x) \ 142 REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED1R, !(x)) 143#define CRIS_LED_ACTIVE_SET_G(x) \ 144 REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED2G, !(x)) 145#define CRIS_LED_ACTIVE_SET_R(x) \ 146 REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED2R, !(x)) 147#define CRIS_LED_DISK_WRITE(x) \ 148 do{\ 149 REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED3G, !(x));\ 150 REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED3R, !(x));\ 151 }while(0) 152#define CRIS_LED_DISK_READ(x) \ 153 REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED3G, !(x)) 154#define CRIS_LED_BIT_SET(x)\ 155 do{\ 156 if((( 1 << x) & CONFIGURABLE_LEDS) != 0)\ 157 REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, x, 1);\ 158 }while(0) 159#define CRIS_LED_BIT_CLR(x)\ 160 do{\ 161 if((( 1 << x) & CONFIGURABLE_LEDS) != 0)\ 162 REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, x, 0);\ 163 }while(0) 164#endif 165 166# 167#ifdef CONFIG_ETRAX_SOFT_SHUTDOWN 168#define SOFT_SHUTDOWN() \ 169 REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_SHUTDOWN_BIT, 1) 170#else 171#define SOFT_SHUTDOWN() 172#endif 173 174/* Console I/O for simulated etrax100. Use #ifdef so erroneous 175 use will be evident. */ 176#ifdef CONFIG_SVINTO_SIM 177 /* Let's use the ucsim interface since it lets us do write(2, ...) */ 178#define SIMCOUT(s,len) \ 179 asm ("moveq 4,$r9 \n\t" \ 180 "moveq 2,$r10 \n\t" \ 181 "move.d %0,$r11 \n\t" \ 182 "move.d %1,$r12 \n\t" \ 183 "push $irp \n\t" \ 184 "move 0f,$irp \n\t" \ 185 "jump -6809 \n" \ 186 "0: \n\t" \ 187 "pop $irp" \ 188 : : "rm" (s), "rm" (len) : "r9","r10","r11","r12","memory") 189#define TRACE_ON() __extension__ \ 190 ({ int _Foofoo; __asm__ volatile ("bmod [%0],%0" : "=r" (_Foofoo) : "0" \ 191 (255)); _Foofoo; }) 192 193#define TRACE_OFF() do { __asm__ volatile ("bmod [%0],%0" :: "r" (254)); } while (0) 194#define SIM_END() do { __asm__ volatile ("bmod [%0],%0" :: "r" (28)); } while (0) 195#define CRIS_CYCLES() __extension__ \ 196 ({ unsigned long c; asm ("bmod [%1],%0" : "=r" (c) : "r" (27)); c;}) 197#endif /* ! defined CONFIG_SVINTO_SIM */ 198 199#endif 200