1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_ARCH_CRIS_IO_H
3 #define _ASM_ARCH_CRIS_IO_H
5 /* Etrax shadow registers - which live in arch/cris/kernel/shadows.c */
7 extern unsigned long gen_config_ii_shadow;
8 extern unsigned long port_g_data_shadow;
9 extern unsigned char port_pa_dir_shadow;
10 extern unsigned char port_pa_data_shadow;
11 extern unsigned char port_pb_i2c_shadow;
12 extern unsigned char port_pb_config_shadow;
13 extern unsigned char port_pb_dir_shadow;
14 extern unsigned char port_pb_data_shadow;
15 extern unsigned long r_timer_ctrl_shadow;
17 extern unsigned long port_cse1_shadow;
18 extern unsigned long port_csp0_shadow;
19 extern unsigned long port_csp4_shadow;
21 extern volatile unsigned long *port_cse1_addr;
22 extern volatile unsigned long *port_csp0_addr;
23 extern volatile unsigned long *port_csp4_addr;
25 /* macro for setting regs through a shadow -
26 * r = register name (like R_PORT_PA_DATA)
27 * s = shadow name (like port_pa_data_shadow)
32 #define REG_SHADOW_SET(r,s,b,v) *r = s = (s & ~(1 << (b))) | ((v) << (b))
34 /* The LED's on various Etrax-based products are set differently. */
36 #if defined(CONFIG_ETRAX_NO_LEDS)
37 #undef CONFIG_ETRAX_PA_LEDS
38 #undef CONFIG_ETRAX_PB_LEDS
39 #undef CONFIG_ETRAX_CSP0_LEDS
40 #define CRIS_LED_NETWORK_SET_G(x)
41 #define CRIS_LED_NETWORK_SET_R(x)
42 #define CRIS_LED_ACTIVE_SET_G(x)
43 #define CRIS_LED_ACTIVE_SET_R(x)
44 #define CRIS_LED_DISK_WRITE(x)
45 #define CRIS_LED_DISK_READ(x)
48 #if !defined(CONFIG_ETRAX_CSP0_LEDS)
49 #define CRIS_LED_BIT_SET(x)
50 #define CRIS_LED_BIT_CLR(x)
53 #define CRIS_LED_OFF 0x00
54 #define CRIS_LED_GREEN 0x01
55 #define CRIS_LED_RED 0x02
56 #define CRIS_LED_ORANGE (CRIS_LED_GREEN | CRIS_LED_RED)
58 #if defined(CONFIG_ETRAX_NO_LEDS)
59 #define CRIS_LED_NETWORK_SET(x)
61 #if CONFIG_ETRAX_LED1G == CONFIG_ETRAX_LED1R
62 #define CRIS_LED_NETWORK_SET(x) \
64 CRIS_LED_NETWORK_SET_G((x) & CRIS_LED_GREEN); \
67 #define CRIS_LED_NETWORK_SET(x) \
69 CRIS_LED_NETWORK_SET_G((x) & CRIS_LED_GREEN); \
70 CRIS_LED_NETWORK_SET_R((x) & CRIS_LED_RED); \
73 #if CONFIG_ETRAX_LED2G == CONFIG_ETRAX_LED2R
74 #define CRIS_LED_ACTIVE_SET(x) \
76 CRIS_LED_ACTIVE_SET_G((x) & CRIS_LED_GREEN); \
79 #define CRIS_LED_ACTIVE_SET(x) \
81 CRIS_LED_ACTIVE_SET_G((x) & CRIS_LED_GREEN); \
82 CRIS_LED_ACTIVE_SET_R((x) & CRIS_LED_RED); \
87 #ifdef CONFIG_ETRAX_PA_LEDS
88 #define CRIS_LED_NETWORK_SET_G(x) \
89 REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED1G, !(x))
90 #define CRIS_LED_NETWORK_SET_R(x) \
91 REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED1R, !(x))
92 #define CRIS_LED_ACTIVE_SET_G(x) \
93 REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED2G, !(x))
94 #define CRIS_LED_ACTIVE_SET_R(x) \
95 REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED2R, !(x))
96 #define CRIS_LED_DISK_WRITE(x) \
98 REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED3G, !(x));\
99 REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, CONFIG_ETRAX_LED3R, !(x));\
101 #define CRIS_LED_DISK_READ(x) \
102 REG_SHADOW_SET(R_PORT_PA_DATA, port_pa_data_shadow, \
103 CONFIG_ETRAX_LED3G, !(x))
106 #ifdef CONFIG_ETRAX_PB_LEDS
107 #define CRIS_LED_NETWORK_SET_G(x) \
108 REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED1G, !(x))
109 #define CRIS_LED_NETWORK_SET_R(x) \
110 REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED1R, !(x))
111 #define CRIS_LED_ACTIVE_SET_G(x) \
112 REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED2G, !(x))
113 #define CRIS_LED_ACTIVE_SET_R(x) \
114 REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED2R, !(x))
115 #define CRIS_LED_DISK_WRITE(x) \
117 REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED3G, !(x));\
118 REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, CONFIG_ETRAX_LED3R, !(x));\
120 #define CRIS_LED_DISK_READ(x) \
121 REG_SHADOW_SET(R_PORT_PB_DATA, port_pb_data_shadow, \
122 CONFIG_ETRAX_LED3G, !(x))
125 #ifdef CONFIG_ETRAX_CSP0_LEDS
126 #define CONFIGURABLE_LEDS\
127 ((1 << CONFIG_ETRAX_LED1G ) | (1 << CONFIG_ETRAX_LED1R ) |\
128 (1 << CONFIG_ETRAX_LED2G ) | (1 << CONFIG_ETRAX_LED2R ) |\
129 (1 << CONFIG_ETRAX_LED3G ) | (1 << CONFIG_ETRAX_LED3R ) |\
130 (1 << CONFIG_ETRAX_LED4G ) | (1 << CONFIG_ETRAX_LED4R ) |\
131 (1 << CONFIG_ETRAX_LED5G ) | (1 << CONFIG_ETRAX_LED5R ) |\
132 (1 << CONFIG_ETRAX_LED6G ) | (1 << CONFIG_ETRAX_LED6R ) |\
133 (1 << CONFIG_ETRAX_LED7G ) | (1 << CONFIG_ETRAX_LED7R ) |\
134 (1 << CONFIG_ETRAX_LED8Y ) | (1 << CONFIG_ETRAX_LED9Y ) |\
135 (1 << CONFIG_ETRAX_LED10Y ) |(1 << CONFIG_ETRAX_LED11Y )|\
136 (1 << CONFIG_ETRAX_LED12R ))
138 #define CRIS_LED_NETWORK_SET_G(x) \
139 REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED1G, !(x))
140 #define CRIS_LED_NETWORK_SET_R(x) \
141 REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED1R, !(x))
142 #define CRIS_LED_ACTIVE_SET_G(x) \
143 REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED2G, !(x))
144 #define CRIS_LED_ACTIVE_SET_R(x) \
145 REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED2R, !(x))
146 #define CRIS_LED_DISK_WRITE(x) \
148 REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED3G, !(x));\
149 REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED3R, !(x));\
151 #define CRIS_LED_DISK_READ(x) \
152 REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_LED3G, !(x))
153 #define CRIS_LED_BIT_SET(x)\
155 if((( 1 << x) & CONFIGURABLE_LEDS) != 0)\
156 REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, x, 1);\
158 #define CRIS_LED_BIT_CLR(x)\
160 if((( 1 << x) & CONFIGURABLE_LEDS) != 0)\
161 REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, x, 0);\
166 #ifdef CONFIG_ETRAX_SOFT_SHUTDOWN
167 #define SOFT_SHUTDOWN() \
168 REG_SHADOW_SET(port_csp0_addr, port_csp0_shadow, CONFIG_ETRAX_SHUTDOWN_BIT, 1)
170 #define SOFT_SHUTDOWN()