Linux Audio

Check our new training course

Embedded Linux Audio

Check our new training course
with Creative Commons CC-BY-SA
lecture materials

Bootlin logo

Elixir Cross Referencer

Open Menu /arch/cris/include/arch-v10/arch/io.h
Loading...
  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
#ifndef _ASM_ARCH_CRIS_IO_H
#define _ASM_ARCH_CRIS_IO_H

/* Etrax shadow registers - which live in arch/cris/kernel/shadows.c */

extern unsigned long gen_config_ii_shadow;
extern unsigned long port_g_data_shadow;
extern unsigned char port_pa_dir_shadow;
extern unsigned char port_pa_data_shadow;
extern unsigned char port_pb_i2c_shadow;
extern unsigned char port_pb_config_shadow;
extern unsigned char port_pb_dir_shadow;
extern unsigned char port_pb_data_shadow;
extern unsigned long r_timer_ctrl_shadow;

extern unsigned long port_cse1_shadow;
extern unsigned long port_csp0_shadow;
extern unsigned long port_csp4_shadow;

extern volatile unsigned long *port_cse1_addr;
extern volatile unsigned long *port_csp0_addr;
extern volatile unsigned long *port_csp4_addr;

/* macro for setting regs through a shadow -
 * r = register name (like R_PORT_PA_DATA)
 * s = shadow name (like port_pa_data_shadow)
 * b = bit number
 * v = value (0 or 1)
 */

#define REG_SHADOW_SET(r,s,b,v) *r = s = (s & ~(1 << (b))) | ((v) << (b))

/* The LED's on various Etrax-based products are set differently. */

#if defined(CONFIG_ETRAX_NO_LEDS)
#undef CONFIG_ETRAX_PA_LEDS
#undef CONFIG_ETRAX_PB_LEDS
#undef CONFIG_ETRAX_CSP0_LEDS
#define CRIS_LED_NETWORK_SET_G(x)
#define CRIS_LED_NETWORK_SET_R(x)
#define CRIS_LED_ACTIVE_SET_G(x)
#define CRIS_LED_ACTIVE_SET_R(x)
#define CRIS_LED_DISK_WRITE(x)
#define CRIS_LED_DISK_READ(x)
#endif

#if !defined(CONFIG_ETRAX_CSP0_LEDS)
#define CRIS_LED_BIT_SET(x)
#define CRIS_LED_BIT_CLR(x)
#endif

#define CRIS_LED_OFF    0x00
#define CRIS_LED_GREEN  0x01
#define CRIS_LED_RED    0x02
#define CRIS_LED_ORANGE (CRIS_LED_GREEN | CRIS_LED_RED)

#if defined(CONFIG_ETRAX_NO_LEDS)
#define CRIS_LED_NETWORK_SET(x)
#else
#if CONFIG_ETRAX_LED1G == CONFIG_ETRAX_LED1R
#define CRIS_LED_NETWORK_SET(x)                          \
	do {                                        \
		CRIS_LED_NETWORK_SET_G((x) & CRIS_LED_GREEN); \
	} while (0)
#else
#define CRIS_LED_NETWORK_SET(x)                          \
	do {                                        \
		CRIS_LED_NETWORK_SET_G((x) & CRIS_LED_GREEN); \
		CRIS_LED_NETWORK_SET_R((x) & CRIS_LED_RED);   \
	} while (0)
#endif
#if CONFIG_ETRAX_LED2G == CONFIG_ETRAX_LED2R
#define CRIS_LED_ACTIVE_SET(x)                           \
	do {                                        \
		CRIS_LED_ACTIVE_SET_G((x) & CRIS_LED_GREEN);  \
	} while (0)
#else
#define CRIS_LED_ACTIVE_SET(x)                           \
	do {                                        \
		CRIS_LED_ACTIVE_SET_G((x) & CRIS_LED_GREEN);  \
		CRIS_LED_ACTIVE_SET_R((x) & CRIS_LED_RED);    \
	} while (0)
#endif
#endif

#ifdef CONFIG_ETRAX_PA_LEDS
#define CRIS_LED_NETWORK_SET_G(x) \
         REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED1G, !(x))
#define CRIS_LED_NETWORK_SET_R(x) \
         REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED1R, !(x))
#define CRIS_LED_ACTIVE_SET_G(x) \
         REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED2G, !(x))
#define CRIS_LED_ACTIVE_SET_R(x) \
         REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED2R, !(x))
#define CRIS_LED_DISK_WRITE(x) \
         do{\
                REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED3G, !(x));\
                REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED3R, !(x));\
        }while(0)
#define CRIS_LED_DISK_READ(x) \
	REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, \
		CONFIG_ETRAX_LED3G, !(x))
#endif

#ifdef CONFIG_ETRAX_PB_LEDS
#define CRIS_LED_NETWORK_SET_G(x) \
         REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED1G, !(x))
#define CRIS_LED_NETWORK_SET_R(x) \
         REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED1R, !(x))
#define CRIS_LED_ACTIVE_SET_G(x) \
         REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED2G, !(x))
#define CRIS_LED_ACTIVE_SET_R(x) \
         REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED2R, !(x))
#define CRIS_LED_DISK_WRITE(x) \
        do{\
                REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED3G, !(x));\
                REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED3R, !(x));\
        }while(0)
#define CRIS_LED_DISK_READ(x) \
	REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, \
		CONFIG_ETRAX_LED3G, !(x))
#endif

#ifdef CONFIG_ETRAX_CSP0_LEDS
#define CONFIGURABLE_LEDS\
        ((1 << CONFIG_ETRAX_LED1G ) | (1 << CONFIG_ETRAX_LED1R ) |\
         (1 << CONFIG_ETRAX_LED2G ) | (1 << CONFIG_ETRAX_LED2R ) |\
         (1 << CONFIG_ETRAX_LED3G ) | (1 << CONFIG_ETRAX_LED3R ) |\
         (1 << CONFIG_ETRAX_LED4G ) | (1 << CONFIG_ETRAX_LED4R ) |\
         (1 << CONFIG_ETRAX_LED5G ) | (1 << CONFIG_ETRAX_LED5R ) |\
         (1 << CONFIG_ETRAX_LED6G ) | (1 << CONFIG_ETRAX_LED6R ) |\
         (1 << CONFIG_ETRAX_LED7G ) | (1 << CONFIG_ETRAX_LED7R ) |\
         (1 << CONFIG_ETRAX_LED8Y ) | (1 << CONFIG_ETRAX_LED9Y ) |\
         (1 << CONFIG_ETRAX_LED10Y ) |(1 << CONFIG_ETRAX_LED11Y )|\
         (1 << CONFIG_ETRAX_LED12R ))

#define CRIS_LED_NETWORK_SET_G(x) \
         REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED1G, !(x))
#define CRIS_LED_NETWORK_SET_R(x) \
         REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED1R, !(x))
#define CRIS_LED_ACTIVE_SET_G(x) \
         REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED2G, !(x))
#define CRIS_LED_ACTIVE_SET_R(x) \
         REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED2R, !(x))
#define CRIS_LED_DISK_WRITE(x) \
        do{\
                REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED3G, !(x));\
                REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED3R, !(x));\
        }while(0)
#define CRIS_LED_DISK_READ(x) \
         REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED3G, !(x))
#define CRIS_LED_BIT_SET(x)\
        do{\
                if((( 1 << x) & CONFIGURABLE_LEDS)  != 0)\
                       REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, x, 1);\
        }while(0)
#define CRIS_LED_BIT_CLR(x)\
        do{\
                if((( 1 << x) & CONFIGURABLE_LEDS)  != 0)\
                       REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, x, 0);\
        }while(0)
#endif

#
#ifdef CONFIG_ETRAX_SOFT_SHUTDOWN
#define SOFT_SHUTDOWN() \
          REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_SHUTDOWN_BIT, 1)
#else
#define SOFT_SHUTDOWN()
#endif

#endif