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

   1 #ifndef _ASM_ARCH_CRIS_IO_H
   2 #define _ASM_ARCH_CRIS_IO_H
   3
   4 /* Etrax shadow registers - which live in arch/cris/kernel/shadows.c */
   5
   6 extern unsigned long gen_config_ii_shadow;
   7 extern unsigned long port_g_data_shadow;
   8 extern unsigned char port_pa_dir_shadow;
   9 extern unsigned char port_pa_data_shadow;
  10 extern unsigned char port_pb_i2c_shadow;
  11 extern unsigned char port_pb_config_shadow;
  12 extern unsigned char port_pb_dir_shadow;
  13 extern unsigned char port_pb_data_shadow;
  14 extern unsigned long r_timer_ctrl_shadow;
  15
  16 extern unsigned long port_cse1_shadow;
  17 extern unsigned long port_csp0_shadow;
  18 extern unsigned long port_csp4_shadow;
  19
  20 extern volatile unsigned long *port_cse1_addr;
  21 extern volatile unsigned long *port_csp0_addr;
  22 extern volatile unsigned long *port_csp4_addr;
  23
  24 /* macro for setting regs through a shadow -
  25  * r = register name (like R_PORT_PA_DATA)
  26  * s = shadow name (like port_pa_data_shadow)
  27  * b = bit number
  28  * v = value (0 or 1)
  29  */
  30
  31 #define REG_SHADOW_SET(r,s,b,v) *r = s = (s & ~(1 << (b))) | ((v) << (b))
  32
  33 /* The LED's on various Etrax-based products are set differently. */
  34
  35 #if defined(CONFIG_ETRAX_NO_LEDS)
  36 #undef CONFIG_ETRAX_PA_LEDS
  37 #undef CONFIG_ETRAX_PB_LEDS
  38 #undef CONFIG_ETRAX_CSP0_LEDS
  39 #define CRIS_LED_NETWORK_SET_G(x)
  40 #define CRIS_LED_NETWORK_SET_R(x)
  41 #define CRIS_LED_ACTIVE_SET_G(x)
  42 #define CRIS_LED_ACTIVE_SET_R(x)
  43 #define CRIS_LED_DISK_WRITE(x)
  44 #define CRIS_LED_DISK_READ(x)
  45 #endif
  46
  47 #if !defined(CONFIG_ETRAX_CSP0_LEDS)
  48 #define CRIS_LED_BIT_SET(x)
  49 #define CRIS_LED_BIT_CLR(x)
  50 #endif
  51
  52 #define CRIS_LED_OFF    0x00
  53 #define CRIS_LED_GREEN  0x01
  54 #define CRIS_LED_RED    0x02
  55 #define CRIS_LED_ORANGE (CRIS_LED_GREEN | CRIS_LED_RED)
  56
  57 #if defined(CONFIG_ETRAX_NO_LEDS)
  58 #define CRIS_LED_NETWORK_SET(x)
  59 #else
  60 #if CONFIG_ETRAX_LED1G == CONFIG_ETRAX_LED1R
  61 #define CRIS_LED_NETWORK_SET(x)                          \
  62         do {                                        \
  63                 CRIS_LED_NETWORK_SET_G((x) & CRIS_LED_GREEN); \
  64         } while (0)
  65 #else
  66 #define CRIS_LED_NETWORK_SET(x)                          \
  67         do {                                        \
  68                 CRIS_LED_NETWORK_SET_G((x) & CRIS_LED_GREEN); \
  69                 CRIS_LED_NETWORK_SET_R((x) & CRIS_LED_RED);   \
  70         } while (0)
  71 #endif
  72 #if CONFIG_ETRAX_LED2G == CONFIG_ETRAX_LED2R
  73 #define CRIS_LED_ACTIVE_SET(x)                           \
  74         do {                                        \
  75                 CRIS_LED_ACTIVE_SET_G((x) & CRIS_LED_GREEN);  \
  76         } while (0)
  77 #else
  78 #define CRIS_LED_ACTIVE_SET(x)                           \
  79         do {                                        \
  80                 CRIS_LED_ACTIVE_SET_G((x) & CRIS_LED_GREEN);  \
  81                 CRIS_LED_ACTIVE_SET_R((x) & CRIS_LED_RED);    \
  82         } while (0)
  83 #endif
  84 #endif
  85
  86 #ifdef CONFIG_ETRAX_PA_LEDS
  87 #define CRIS_LED_NETWORK_SET_G(x) \
  88          REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED1G, !(x))
  89 #define CRIS_LED_NETWORK_SET_R(x) \
  90          REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED1R, !(x))
  91 #define CRIS_LED_ACTIVE_SET_G(x) \
  92          REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED2G, !(x))
  93 #define CRIS_LED_ACTIVE_SET_R(x) \
  94          REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED2R, !(x))
  95 #define CRIS_LED_DISK_WRITE(x) \
  96          do{\
  97                 REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED3G, !(x));\
  98                 REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED3R, !(x));\
  99         }while(0)
 100 #define CRIS_LED_DISK_READ(x) \
 101         REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, \
 102                 CONFIG_ETRAX_LED3G, !(x))
 103 #endif
 104
 105 #ifdef CONFIG_ETRAX_PB_LEDS
 106 #define CRIS_LED_NETWORK_SET_G(x) \
 107          REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED1G, !(x))
 108 #define CRIS_LED_NETWORK_SET_R(x) \
 109          REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED1R, !(x))
 110 #define CRIS_LED_ACTIVE_SET_G(x) \
 111          REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED2G, !(x))
 112 #define CRIS_LED_ACTIVE_SET_R(x) \
 113          REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED2R, !(x))
 114 #define CRIS_LED_DISK_WRITE(x) \
 115         do{\
 116                 REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED3G, !(x));\
 117                 REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED3R, !(x));\
 118         }while(0)
 119 #define CRIS_LED_DISK_READ(x) \
 120         REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, \
 121                 CONFIG_ETRAX_LED3G, !(x))
 122 #endif
 123
 124 #ifdef CONFIG_ETRAX_CSP0_LEDS
 125 #define CONFIGURABLE_LEDS\
 126         ((1 << CONFIG_ETRAX_LED1G ) | (1 << CONFIG_ETRAX_LED1R ) |\
 127          (1 << CONFIG_ETRAX_LED2G ) | (1 << CONFIG_ETRAX_LED2R ) |\
 128          (1 << CONFIG_ETRAX_LED3G ) | (1 << CONFIG_ETRAX_LED3R ) |\
 129          (1 << CONFIG_ETRAX_LED4G ) | (1 << CONFIG_ETRAX_LED4R ) |\
 130          (1 << CONFIG_ETRAX_LED5G ) | (1 << CONFIG_ETRAX_LED5R ) |\
 131          (1 << CONFIG_ETRAX_LED6G ) | (1 << CONFIG_ETRAX_LED6R ) |\
 132          (1 << CONFIG_ETRAX_LED7G ) | (1 << CONFIG_ETRAX_LED7R ) |\
 133          (1 << CONFIG_ETRAX_LED8Y ) | (1 << CONFIG_ETRAX_LED9Y ) |\
 134          (1 << CONFIG_ETRAX_LED10Y ) |(1 << CONFIG_ETRAX_LED11Y )|\
 135          (1 << CONFIG_ETRAX_LED12R ))
 136
 137 #define CRIS_LED_NETWORK_SET_G(x) \
 138          REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED1G, !(x))
 139 #define CRIS_LED_NETWORK_SET_R(x) \
 140          REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED1R, !(x))
 141 #define CRIS_LED_ACTIVE_SET_G(x) \
 142          REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED2G, !(x))
 143 #define CRIS_LED_ACTIVE_SET_R(x) \
 144          REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED2R, !(x))
 145 #define CRIS_LED_DISK_WRITE(x) \
 146         do{\
 147                 REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED3G, !(x));\
 148                 REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED3R, !(x));\
 149         }while(0)
 150 #define CRIS_LED_DISK_READ(x) \
 151          REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED3G, !(x))
 152 #define CRIS_LED_BIT_SET(x)\
 153         do{\
 154                 if((( 1 << x) & CONFIGURABLE_LEDS)  != 0)\
 155                        REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, x, 1);\
 156         }while(0)
 157 #define CRIS_LED_BIT_CLR(x)\
 158         do{\
 159                 if((( 1 << x) & CONFIGURABLE_LEDS)  != 0)\
 160                        REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, x, 0);\
 161         }while(0)
 162 #endif
 163
 164 #
 165 #ifdef CONFIG_ETRAX_SOFT_SHUTDOWN
 166 #define SOFT_SHUTDOWN() \
 167           REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_SHUTDOWN_BIT, 1)
 168 #else
 169 #define SOFT_SHUTDOWN()
 170 #endif
 171
 172 #endif