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   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
   8 extern unsigned long gen_config_ii_shadow;
   9 extern unsigned long port_g_data_shadow;
  10 extern unsigned char port_pa_dir_shadow;
  11 extern unsigned char port_pa_data_shadow;
  12 extern unsigned char port_pb_i2c_shadow;
  13 extern unsigned char port_pb_config_shadow;
  14 extern unsigned char port_pb_dir_shadow;
  15 extern unsigned char port_pb_data_shadow;
  16 extern unsigned long r_timer_ctrl_shadow;
  17
  18 extern unsigned long port_cse1_shadow;
  19 extern unsigned long port_csp0_shadow;
  20 extern unsigned long port_csp4_shadow;
  21
  22 extern volatile unsigned long *port_cse1_addr;
  23 extern volatile unsigned long *port_csp0_addr;
  24 extern 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