Merge branch 'master'
[linux-2.6] / arch / m32r / kernel / setup_mappi2.c
1 /*
2  *  linux/arch/m32r/kernel/setup_mappi2.c
3  *
4  *  Setup routines for Renesas MAPPI-II(M3A-ZA36) Board
5  *
6  *  Copyright (c) 2001-2005  Hiroyuki Kondo, Hirokazu Takata,
7  *                           Hitoshi Yamamoto, Mamoru Sakugawa
8  */
9
10 #include <linux/config.h>
11 #include <linux/irq.h>
12 #include <linux/kernel.h>
13 #include <linux/init.h>
14 #include <linux/platform_device.h>
15
16 #include <asm/system.h>
17 #include <asm/m32r.h>
18 #include <asm/io.h>
19
20 #define irq2port(x) (M32R_ICU_CR1_PORTL + ((x - 1) * sizeof(unsigned long)))
21
22 #ifndef CONFIG_SMP
23 typedef struct {
24         unsigned long icucr;  /* ICU Control Register */
25 } icu_data_t;
26 #endif /* CONFIG_SMP */
27
28 icu_data_t icu_data[NR_IRQS];
29
30 static void disable_mappi2_irq(unsigned int irq)
31 {
32         unsigned long port, data;
33
34         if ((irq == 0) ||(irq >= NR_IRQS))  {
35                 printk("bad irq 0x%08x\n", irq);
36                 return;
37         }
38         port = irq2port(irq);
39         data = icu_data[irq].icucr|M32R_ICUCR_ILEVEL7;
40         outl(data, port);
41 }
42
43 static void enable_mappi2_irq(unsigned int irq)
44 {
45         unsigned long port, data;
46
47         if ((irq == 0) ||(irq >= NR_IRQS))  {
48                 printk("bad irq 0x%08x\n", irq);
49                 return;
50         }
51         port = irq2port(irq);
52         data = icu_data[irq].icucr|M32R_ICUCR_IEN|M32R_ICUCR_ILEVEL6;
53         outl(data, port);
54 }
55
56 static void mask_and_ack_mappi2(unsigned int irq)
57 {
58         disable_mappi2_irq(irq);
59 }
60
61 static void end_mappi2_irq(unsigned int irq)
62 {
63         enable_mappi2_irq(irq);
64 }
65
66 static unsigned int startup_mappi2_irq(unsigned int irq)
67 {
68         enable_mappi2_irq(irq);
69         return (0);
70 }
71
72 static void shutdown_mappi2_irq(unsigned int irq)
73 {
74         unsigned long port;
75
76         port = irq2port(irq);
77         outl(M32R_ICUCR_ILEVEL7, port);
78 }
79
80 static struct hw_interrupt_type mappi2_irq_type =
81 {
82         .typename = "MAPPI2-IRQ",
83         .startup = startup_mappi2_irq,
84         .shutdown = shutdown_mappi2_irq,
85         .enable = enable_mappi2_irq,
86         .disable = disable_mappi2_irq,
87         .ack = mask_and_ack_mappi2,
88         .end = end_mappi2_irq
89 };
90
91 void __init init_IRQ(void)
92 {
93 #if defined(CONFIG_SMC91X)
94         /* INT0 : LAN controller (SMC91111) */
95         irq_desc[M32R_IRQ_INT0].status = IRQ_DISABLED;
96         irq_desc[M32R_IRQ_INT0].handler = &mappi2_irq_type;
97         irq_desc[M32R_IRQ_INT0].action = 0;
98         irq_desc[M32R_IRQ_INT0].depth = 1;
99         icu_data[M32R_IRQ_INT0].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD10;
100         disable_mappi2_irq(M32R_IRQ_INT0);
101 #endif  /* CONFIG_SMC91X */
102
103         /* MFT2 : system timer */
104         irq_desc[M32R_IRQ_MFT2].status = IRQ_DISABLED;
105         irq_desc[M32R_IRQ_MFT2].handler = &mappi2_irq_type;
106         irq_desc[M32R_IRQ_MFT2].action = 0;
107         irq_desc[M32R_IRQ_MFT2].depth = 1;
108         icu_data[M32R_IRQ_MFT2].icucr = M32R_ICUCR_IEN;
109         disable_mappi2_irq(M32R_IRQ_MFT2);
110
111 #ifdef CONFIG_SERIAL_M32R_SIO
112         /* SIO0_R : uart receive data */
113         irq_desc[M32R_IRQ_SIO0_R].status = IRQ_DISABLED;
114         irq_desc[M32R_IRQ_SIO0_R].handler = &mappi2_irq_type;
115         irq_desc[M32R_IRQ_SIO0_R].action = 0;
116         irq_desc[M32R_IRQ_SIO0_R].depth = 1;
117         icu_data[M32R_IRQ_SIO0_R].icucr = 0;
118         disable_mappi2_irq(M32R_IRQ_SIO0_R);
119
120         /* SIO0_S : uart send data */
121         irq_desc[M32R_IRQ_SIO0_S].status = IRQ_DISABLED;
122         irq_desc[M32R_IRQ_SIO0_S].handler = &mappi2_irq_type;
123         irq_desc[M32R_IRQ_SIO0_S].action = 0;
124         irq_desc[M32R_IRQ_SIO0_S].depth = 1;
125         icu_data[M32R_IRQ_SIO0_S].icucr = 0;
126         disable_mappi2_irq(M32R_IRQ_SIO0_S);
127         /* SIO1_R : uart receive data */
128         irq_desc[M32R_IRQ_SIO1_R].status = IRQ_DISABLED;
129         irq_desc[M32R_IRQ_SIO1_R].handler = &mappi2_irq_type;
130         irq_desc[M32R_IRQ_SIO1_R].action = 0;
131         irq_desc[M32R_IRQ_SIO1_R].depth = 1;
132         icu_data[M32R_IRQ_SIO1_R].icucr = 0;
133         disable_mappi2_irq(M32R_IRQ_SIO1_R);
134
135         /* SIO1_S : uart send data */
136         irq_desc[M32R_IRQ_SIO1_S].status = IRQ_DISABLED;
137         irq_desc[M32R_IRQ_SIO1_S].handler = &mappi2_irq_type;
138         irq_desc[M32R_IRQ_SIO1_S].action = 0;
139         irq_desc[M32R_IRQ_SIO1_S].depth = 1;
140         icu_data[M32R_IRQ_SIO1_S].icucr = 0;
141         disable_mappi2_irq(M32R_IRQ_SIO1_S);
142 #endif  /* CONFIG_M32R_USE_DBG_CONSOLE */
143
144 #if defined(CONFIG_USB)
145         /* INT1 : USB Host controller interrupt */
146         irq_desc[M32R_IRQ_INT1].status = IRQ_DISABLED;
147         irq_desc[M32R_IRQ_INT1].handler = &mappi2_irq_type;
148         irq_desc[M32R_IRQ_INT1].action = 0;
149         irq_desc[M32R_IRQ_INT1].depth = 1;
150         icu_data[M32R_IRQ_INT1].icucr = M32R_ICUCR_ISMOD01;
151         disable_mappi2_irq(M32R_IRQ_INT1);
152 #endif /* CONFIG_USB */
153
154         /* ICUCR40: CFC IREQ */
155         irq_desc[PLD_IRQ_CFIREQ].status = IRQ_DISABLED;
156         irq_desc[PLD_IRQ_CFIREQ].handler = &mappi2_irq_type;
157         irq_desc[PLD_IRQ_CFIREQ].action = 0;
158         irq_desc[PLD_IRQ_CFIREQ].depth = 1;     /* disable nested irq */
159         icu_data[PLD_IRQ_CFIREQ].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD01;
160         disable_mappi2_irq(PLD_IRQ_CFIREQ);
161
162 #if defined(CONFIG_M32R_CFC)
163         /* ICUCR41: CFC Insert */
164         irq_desc[PLD_IRQ_CFC_INSERT].status = IRQ_DISABLED;
165         irq_desc[PLD_IRQ_CFC_INSERT].handler = &mappi2_irq_type;
166         irq_desc[PLD_IRQ_CFC_INSERT].action = 0;
167         irq_desc[PLD_IRQ_CFC_INSERT].depth = 1; /* disable nested irq */
168         icu_data[PLD_IRQ_CFC_INSERT].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD00;
169         disable_mappi2_irq(PLD_IRQ_CFC_INSERT);
170
171         /* ICUCR42: CFC Eject */
172         irq_desc[PLD_IRQ_CFC_EJECT].status = IRQ_DISABLED;
173         irq_desc[PLD_IRQ_CFC_EJECT].handler = &mappi2_irq_type;
174         irq_desc[PLD_IRQ_CFC_EJECT].action = 0;
175         irq_desc[PLD_IRQ_CFC_EJECT].depth = 1;  /* disable nested irq */
176         icu_data[PLD_IRQ_CFC_EJECT].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD10;
177         disable_mappi2_irq(PLD_IRQ_CFC_EJECT);
178 #endif /* CONFIG_MAPPI2_CFC */
179 }
180
181 #define LAN_IOSTART     0x300
182 #define LAN_IOEND       0x320
183 static struct resource smc91x_resources[] = {
184         [0] = {
185                 .start  = (LAN_IOSTART),
186                 .end    = (LAN_IOEND),
187                 .flags  = IORESOURCE_MEM,
188         },
189         [1] = {
190                 .start  = M32R_IRQ_INT0,
191                 .end    = M32R_IRQ_INT0,
192                 .flags  = IORESOURCE_IRQ,
193         }
194 };
195
196 static struct platform_device smc91x_device = {
197         .name           = "smc91x",
198         .id             = 0,
199         .num_resources  = ARRAY_SIZE(smc91x_resources),
200         .resource       = smc91x_resources,
201 };
202
203 static int __init platform_init(void)
204 {
205         platform_device_register(&smc91x_device);
206         return 0;
207 }
208 arch_initcall(platform_init);