include/asm-cris/arch-v10/io.h

   1 #ifndef _ASM_ARCH_CRIS_IO_H
   2 #define _ASM_ARCH_CRIS_IO_H
   3
   4 #include <asm/arch/svinto.h>
   5 #include <linux/config.h>
   6
   7 /* Etrax shadow registers - which live in arch/cris/kernel/shadows.c */
   8
   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 LED_NETWORK_SET_G(x)
  42 #define LED_NETWORK_SET_R(x)
  43 #define LED_ACTIVE_SET_G(x)
  44 #define LED_ACTIVE_SET_R(x)
  45 #define LED_DISK_WRITE(x)
  46 #define LED_DISK_READ(x)
  47 #endif
  48
  49 #if !defined(CONFIG_ETRAX_CSP0_LEDS)
  50 #define LED_BIT_SET(x)
  51 #define LED_BIT_CLR(x)
  52 #endif
  53
  54 #define LED_OFF    0x00
  55 #define LED_GREEN  0x01
  56 #define LED_RED    0x02
  57 #define LED_ORANGE (LED_GREEN | LED_RED)
  58
  59 #if CONFIG_ETRAX_LED1G == CONFIG_ETRAX_LED1R
  60 #define LED_NETWORK_SET(x)                          \
  61         do {                                        \
  62                 LED_NETWORK_SET_G((x) & LED_GREEN); \
  63         } while (0)
  64 #else
  65 #define LED_NETWORK_SET(x)                          \
  66         do {                                        \
  67                 LED_NETWORK_SET_G((x) & LED_GREEN); \
  68                 LED_NETWORK_SET_R((x) & LED_RED);   \
  69         } while (0)
  70 #endif
  71 #if CONFIG_ETRAX_LED2G == CONFIG_ETRAX_LED2R
  72 #define LED_ACTIVE_SET(x)                           \
  73         do {                                        \
  74                 LED_ACTIVE_SET_G((x) & LED_GREEN);  \
  75         } while (0)
  76 #else
  77 #define LED_ACTIVE_SET(x)                           \
  78         do {                                        \
  79                 LED_ACTIVE_SET_G((x) & LED_GREEN);  \
  80                 LED_ACTIVE_SET_R((x) & LED_RED);    \
  81         } while (0)
  82 #endif
  83
  84 #ifdef CONFIG_ETRAX_PA_LEDS
  85 #define LED_NETWORK_SET_G(x) \
  86          REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED1G, !(x))
  87 #define LED_NETWORK_SET_R(x) \
  88          REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED1R, !(x))
  89 #define LED_ACTIVE_SET_G(x) \
  90          REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED2G, !(x))
  91 #define LED_ACTIVE_SET_R(x) \
  92          REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED2R, !(x))
  93 #define LED_DISK_WRITE(x) \
  94          do{\
  95                 REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED3G, !(x));\
  96                 REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED3R, !(x));\
  97         }while(0)
  98 #define LED_DISK_READ(x) \
  99          REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED3G, !(x))
 100 #endif
 101
 102 #ifdef CONFIG_ETRAX_PB_LEDS
 103 #define LED_NETWORK_SET_G(x) \
 104          REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED1G, !(x))
 105 #define LED_NETWORK_SET_R(x) \
 106          REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED1R, !(x))
 107 #define LED_ACTIVE_SET_G(x) \
 108          REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED2G, !(x))
 109 #define LED_ACTIVE_SET_R(x) \
 110          REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED2R, !(x))
 111 #define LED_DISK_WRITE(x) \
 112         do{\
 113                 REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED3G, !(x));\
 114                 REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED3R, !(x));\
 115         }while(0)
 116 #define LED_DISK_READ(x) \
 117          REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED3G, !(x))
 118 #endif
 119
 120 #ifdef CONFIG_ETRAX_CSP0_LEDS
 121 #define CONFIGURABLE_LEDS\
 122         ((1 << CONFIG_ETRAX_LED1G ) | (1 << CONFIG_ETRAX_LED1R ) |\
 123          (1 << CONFIG_ETRAX_LED2G ) | (1 << CONFIG_ETRAX_LED2R ) |\
 124          (1 << CONFIG_ETRAX_LED3G ) | (1 << CONFIG_ETRAX_LED3R ) |\
 125          (1 << CONFIG_ETRAX_LED4G ) | (1 << CONFIG_ETRAX_LED4R ) |\
 126          (1 << CONFIG_ETRAX_LED5G ) | (1 << CONFIG_ETRAX_LED5R ) |\
 127          (1 << CONFIG_ETRAX_LED6G ) | (1 << CONFIG_ETRAX_LED6R ) |\
 128          (1 << CONFIG_ETRAX_LED7G ) | (1 << CONFIG_ETRAX_LED7R ) |\
 129          (1 << CONFIG_ETRAX_LED8Y ) | (1 << CONFIG_ETRAX_LED9Y ) |\
 130          (1 << CONFIG_ETRAX_LED10Y ) |(1 << CONFIG_ETRAX_LED11Y )|\
 131          (1 << CONFIG_ETRAX_LED12R ))
 132
 133 #define LED_NETWORK_SET_G(x) \
 134          REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED1G, !(x))
 135 #define LED_NETWORK_SET_R(x) \
 136          REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED1R, !(x))
 137 #define LED_ACTIVE_SET_G(x) \
 138          REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED2G, !(x))
 139 #define LED_ACTIVE_SET_R(x) \
 140          REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED2R, !(x))
 141 #define LED_DISK_WRITE(x) \
 142         do{\
 143                 REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED3G, !(x));\
 144                 REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED3R, !(x));\
 145         }while(0)
 146 #define LED_DISK_READ(x) \
 147          REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED3G, !(x))
 148 #define LED_BIT_SET(x)\
 149         do{\
 150                 if((( 1 << x) & CONFIGURABLE_LEDS)  != 0)\
 151                        REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, x, 1);\
 152         }while(0)
 153 #define LED_BIT_CLR(x)\
 154         do{\
 155                 if((( 1 << x) & CONFIGURABLE_LEDS)  != 0)\
 156                        REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, x, 0);\
 157         }while(0)
 158 #endif
 159
 160 #
 161 #ifdef CONFIG_ETRAX_SOFT_SHUTDOWN
 162 #define SOFT_SHUTDOWN() \
 163           REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_SHUTDOWN_BIT, 1)
 164 #else
 165 #define SOFT_SHUTDOWN()
 166 #endif
 167
 168 /* Console I/O for simulated etrax100.  Use #ifdef so erroneous
 169    use will be evident. */
 170 #ifdef CONFIG_SVINTO_SIM
 171   /* Let's use the ucsim interface since it lets us do write(2, ...) */
 172 #define SIMCOUT(s,len)                                                  \
 173   asm ("moveq 4,$r9     \n\t"                                           \
 174        "moveq 2,$r10    \n\t"                                           \
 175        "move.d %0,$r11  \n\t"                                           \
 176        "move.d %1,$r12  \n\t"                                           \
 177        "push $irp       \n\t"                                           \
 178        "move 0f,$irp    \n\t"                                           \
 179        "jump -6809      \n"                                             \
 180        "0:              \n\t"                                           \
 181        "pop $irp"                                                       \
 182        : : "rm" (s), "rm" (len) : "r9","r10","r11","r12","memory")
 183 #define TRACE_ON() __extension__ \
 184  ({ int _Foofoo; __asm__ volatile ("bmod [%0],%0" : "=r" (_Foofoo) : "0" \
 185                                (255)); _Foofoo; })
 186
 187 #define TRACE_OFF() do { __asm__ volatile ("bmod [%0],%0" :: "r" (254)); } while (0)
 188 #define SIM_END() do { __asm__ volatile ("bmod [%0],%0" :: "r" (28)); } while (0)
 189 #define CRIS_CYCLES() __extension__ \
 190  ({ unsigned long c; asm ("bmod [%1],%0" : "=r" (c) : "r" (27)); c;})
 191 #endif /* ! defined CONFIG_SVINTO_SIM */
 192
 193 #endif