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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef _ASM_ARCH_CRIS_IO_H
2#define _ASM_ARCH_CRIS_IO_H
3
4#include <asm/arch/svinto.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -07005
6/* Etrax shadow registers - which live in arch/cris/kernel/shadows.c */
7
Mikael Starvik63245d22005-07-27 11:44:35 -07008extern unsigned long gen_config_ii_shadow;
Linus Torvalds1da177e2005-04-16 15:20:36 -07009extern 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 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