3ec087ff2214d226f36c86b31c6de932a38d2244
[sfrench/cifs-2.6.git] / arch / m32r / platforms / mappi / setup.c
1 /*
2  *  linux/arch/m32r/platforms/mappi/setup.c
3  *
4  *  Setup routines for Renesas MAPPI Board
5  *
6  *  Copyright (c) 2001-2005  Hiroyuki Kondo, Hirokazu Takata,
7  *                           Hitoshi Yamamoto
8  */
9
10 #include <linux/irq.h>
11 #include <linux/kernel.h>
12 #include <linux/init.h>
13 #include <linux/platform_device.h>
14
15 #include <asm/system.h>
16 #include <asm/m32r.h>
17 #include <asm/io.h>
18
19 #define irq2port(x) (M32R_ICU_CR1_PORTL + ((x - 1) * sizeof(unsigned long)))
20
21 icu_data_t icu_data[NR_IRQS];
22
23 static void disable_mappi_irq(unsigned int irq)
24 {
25         unsigned long port, data;
26
27         port = irq2port(irq);
28         data = icu_data[irq].icucr|M32R_ICUCR_ILEVEL7;
29         outl(data, port);
30 }
31
32 static void enable_mappi_irq(unsigned int irq)
33 {
34         unsigned long port, data;
35
36         port = irq2port(irq);
37         data = icu_data[irq].icucr|M32R_ICUCR_IEN|M32R_ICUCR_ILEVEL6;
38         outl(data, port);
39 }
40
41 static void mask_and_ack_mappi(unsigned int irq)
42 {
43         disable_mappi_irq(irq);
44 }
45
46 static void end_mappi_irq(unsigned int irq)
47 {
48         if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
49                 enable_mappi_irq(irq);
50 }
51
52 static unsigned int startup_mappi_irq(unsigned int irq)
53 {
54         enable_mappi_irq(irq);
55         return (0);
56 }
57
58 static void shutdown_mappi_irq(unsigned int irq)
59 {
60         unsigned long port;
61
62         port = irq2port(irq);
63         outl(M32R_ICUCR_ILEVEL7, port);
64 }
65
66 static struct hw_interrupt_type mappi_irq_type =
67 {
68         .typename = "MAPPI-IRQ",
69         .startup = startup_mappi_irq,
70         .shutdown = shutdown_mappi_irq,
71         .enable = enable_mappi_irq,
72         .disable = disable_mappi_irq,
73         .ack = mask_and_ack_mappi,
74         .end = end_mappi_irq
75 };
76
77 void __init init_IRQ(void)
78 {
79         static int once = 0;
80
81         if (once)
82                 return;
83         else
84                 once++;
85
86 #ifdef CONFIG_NE2000
87         /* INT0 : LAN controller (RTL8019AS) */
88         irq_desc[M32R_IRQ_INT0].status = IRQ_DISABLED;
89         irq_desc[M32R_IRQ_INT0].chip = &mappi_irq_type;
90         irq_desc[M32R_IRQ_INT0].action = NULL;
91         irq_desc[M32R_IRQ_INT0].depth = 1;
92         icu_data[M32R_IRQ_INT0].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD11;
93         disable_mappi_irq(M32R_IRQ_INT0);
94 #endif /* CONFIG_M32R_NE2000 */
95
96         /* MFT2 : system timer */
97         irq_desc[M32R_IRQ_MFT2].status = IRQ_DISABLED;
98         irq_desc[M32R_IRQ_MFT2].chip = &mappi_irq_type;
99         irq_desc[M32R_IRQ_MFT2].action = NULL;
100         irq_desc[M32R_IRQ_MFT2].depth = 1;
101         icu_data[M32R_IRQ_MFT2].icucr = M32R_ICUCR_IEN;
102         disable_mappi_irq(M32R_IRQ_MFT2);
103
104 #ifdef CONFIG_SERIAL_M32R_SIO
105         /* SIO0_R : uart receive data */
106         irq_desc[M32R_IRQ_SIO0_R].status = IRQ_DISABLED;
107         irq_desc[M32R_IRQ_SIO0_R].chip = &mappi_irq_type;
108         irq_desc[M32R_IRQ_SIO0_R].action = NULL;
109         irq_desc[M32R_IRQ_SIO0_R].depth = 1;
110         icu_data[M32R_IRQ_SIO0_R].icucr = 0;
111         disable_mappi_irq(M32R_IRQ_SIO0_R);
112
113         /* SIO0_S : uart send data */
114         irq_desc[M32R_IRQ_SIO0_S].status = IRQ_DISABLED;
115         irq_desc[M32R_IRQ_SIO0_S].chip = &mappi_irq_type;
116         irq_desc[M32R_IRQ_SIO0_S].action = NULL;
117         irq_desc[M32R_IRQ_SIO0_S].depth = 1;
118         icu_data[M32R_IRQ_SIO0_S].icucr = 0;
119         disable_mappi_irq(M32R_IRQ_SIO0_S);
120
121         /* SIO1_R : uart receive data */
122         irq_desc[M32R_IRQ_SIO1_R].status = IRQ_DISABLED;
123         irq_desc[M32R_IRQ_SIO1_R].chip = &mappi_irq_type;
124         irq_desc[M32R_IRQ_SIO1_R].action = NULL;
125         irq_desc[M32R_IRQ_SIO1_R].depth = 1;
126         icu_data[M32R_IRQ_SIO1_R].icucr = 0;
127         disable_mappi_irq(M32R_IRQ_SIO1_R);
128
129         /* SIO1_S : uart send data */
130         irq_desc[M32R_IRQ_SIO1_S].status = IRQ_DISABLED;
131         irq_desc[M32R_IRQ_SIO1_S].chip = &mappi_irq_type;
132         irq_desc[M32R_IRQ_SIO1_S].action = NULL;
133         irq_desc[M32R_IRQ_SIO1_S].depth = 1;
134         icu_data[M32R_IRQ_SIO1_S].icucr = 0;
135         disable_mappi_irq(M32R_IRQ_SIO1_S);
136 #endif /* CONFIG_SERIAL_M32R_SIO */
137
138 #if defined(CONFIG_M32R_PCC)
139         /* INT1 : pccard0 interrupt */
140         irq_desc[M32R_IRQ_INT1].status = IRQ_DISABLED;
141         irq_desc[M32R_IRQ_INT1].chip = &mappi_irq_type;
142         irq_desc[M32R_IRQ_INT1].action = NULL;
143         irq_desc[M32R_IRQ_INT1].depth = 1;
144         icu_data[M32R_IRQ_INT1].icucr = M32R_ICUCR_IEN | M32R_ICUCR_ISMOD00;
145         disable_mappi_irq(M32R_IRQ_INT1);
146
147         /* INT2 : pccard1 interrupt */
148         irq_desc[M32R_IRQ_INT2].status = IRQ_DISABLED;
149         irq_desc[M32R_IRQ_INT2].chip = &mappi_irq_type;
150         irq_desc[M32R_IRQ_INT2].action = NULL;
151         irq_desc[M32R_IRQ_INT2].depth = 1;
152         icu_data[M32R_IRQ_INT2].icucr = M32R_ICUCR_IEN | M32R_ICUCR_ISMOD00;
153         disable_mappi_irq(M32R_IRQ_INT2);
154 #endif /* CONFIG_M32RPCC */
155 }
156
157 #if defined(CONFIG_FB_S1D13XXX)
158
159 #include <video/s1d13xxxfb.h>
160 #include <asm/s1d13806.h>
161
162 static struct s1d13xxxfb_pdata s1d13xxxfb_data = {
163         .initregs               = s1d13xxxfb_initregs,
164         .initregssize           = ARRAY_SIZE(s1d13xxxfb_initregs),
165         .platform_init_video    = NULL,
166 #ifdef CONFIG_PM
167         .platform_suspend_video = NULL,
168         .platform_resume_video  = NULL,
169 #endif
170 };
171
172 static struct resource s1d13xxxfb_resources[] = {
173         [0] = {
174                 .start  = 0x10200000UL,
175                 .end    = 0x1033FFFFUL,
176                 .flags  = IORESOURCE_MEM,
177         },
178         [1] = {
179                 .start  = 0x10000000UL,
180                 .end    = 0x100001FFUL,
181                 .flags  = IORESOURCE_MEM,
182         }
183 };
184
185 static struct platform_device s1d13xxxfb_device = {
186         .name           = S1D_DEVICENAME,
187         .id             = 0,
188         .dev            = {
189                 .platform_data  = &s1d13xxxfb_data,
190         },
191         .num_resources  = ARRAY_SIZE(s1d13xxxfb_resources),
192         .resource       = s1d13xxxfb_resources,
193 };
194
195 static int __init platform_init(void)
196 {
197         platform_device_register(&s1d13xxxfb_device);
198         return 0;
199 }
200 arch_initcall(platform_init);
201 #endif