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/m32r.h>
16 #include <asm/io.h>
17
18 #define irq2port(x) (M32R_ICU_CR1_PORTL + ((x - 1) * sizeof(unsigned long)))
19
20 icu_data_t icu_data[NR_IRQS];
21
disable_mappi_irq(unsigned int irq)22 static void disable_mappi_irq(unsigned int irq)
23 {
24 unsigned long port, data;
25
26 port = irq2port(irq);
27 data = icu_data[irq].icucr|M32R_ICUCR_ILEVEL7;
28 outl(data, port);
29 }
30
enable_mappi_irq(unsigned int irq)31 static void enable_mappi_irq(unsigned int irq)
32 {
33 unsigned long port, data;
34
35 port = irq2port(irq);
36 data = icu_data[irq].icucr|M32R_ICUCR_IEN|M32R_ICUCR_ILEVEL6;
37 outl(data, port);
38 }
39
mask_mappi(struct irq_data * data)40 static void mask_mappi(struct irq_data *data)
41 {
42 disable_mappi_irq(data->irq);
43 }
44
unmask_mappi(struct irq_data * data)45 static void unmask_mappi(struct irq_data *data)
46 {
47 enable_mappi_irq(data->irq);
48 }
49
shutdown_mappi(struct irq_data * data)50 static void shutdown_mappi(struct irq_data *data)
51 {
52 unsigned long port;
53
54 port = irq2port(data->irq);
55 outl(M32R_ICUCR_ILEVEL7, port);
56 }
57
58 static struct irq_chip mappi_irq_type =
59 {
60 .name = "MAPPI-IRQ",
61 .irq_shutdown = shutdown_mappi,
62 .irq_mask = mask_mappi,
63 .irq_unmask = unmask_mappi,
64 };
65
init_IRQ(void)66 void __init init_IRQ(void)
67 {
68 static int once = 0;
69
70 if (once)
71 return;
72 else
73 once++;
74
75 #ifdef CONFIG_NE2000
76 /* INT0 : LAN controller (RTL8019AS) */
77 irq_set_chip_and_handler(M32R_IRQ_INT0, &mappi_irq_type,
78 handle_level_irq);
79 icu_data[M32R_IRQ_INT0].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD11;
80 disable_mappi_irq(M32R_IRQ_INT0);
81 #endif /* CONFIG_M32R_NE2000 */
82
83 /* MFT2 : system timer */
84 irq_set_chip_and_handler(M32R_IRQ_MFT2, &mappi_irq_type,
85 handle_level_irq);
86 icu_data[M32R_IRQ_MFT2].icucr = M32R_ICUCR_IEN;
87 disable_mappi_irq(M32R_IRQ_MFT2);
88
89 #ifdef CONFIG_SERIAL_M32R_SIO
90 /* SIO0_R : uart receive data */
91 irq_set_chip_and_handler(M32R_IRQ_SIO0_R, &mappi_irq_type,
92 handle_level_irq);
93 icu_data[M32R_IRQ_SIO0_R].icucr = 0;
94 disable_mappi_irq(M32R_IRQ_SIO0_R);
95
96 /* SIO0_S : uart send data */
97 irq_set_chip_and_handler(M32R_IRQ_SIO0_S, &mappi_irq_type,
98 handle_level_irq);
99 icu_data[M32R_IRQ_SIO0_S].icucr = 0;
100 disable_mappi_irq(M32R_IRQ_SIO0_S);
101
102 /* SIO1_R : uart receive data */
103 irq_set_chip_and_handler(M32R_IRQ_SIO1_R, &mappi_irq_type,
104 handle_level_irq);
105 icu_data[M32R_IRQ_SIO1_R].icucr = 0;
106 disable_mappi_irq(M32R_IRQ_SIO1_R);
107
108 /* SIO1_S : uart send data */
109 irq_set_chip_and_handler(M32R_IRQ_SIO1_S, &mappi_irq_type,
110 handle_level_irq);
111 icu_data[M32R_IRQ_SIO1_S].icucr = 0;
112 disable_mappi_irq(M32R_IRQ_SIO1_S);
113 #endif /* CONFIG_SERIAL_M32R_SIO */
114
115 #if defined(CONFIG_M32R_PCC)
116 /* INT1 : pccard0 interrupt */
117 irq_set_chip_and_handler(M32R_IRQ_INT1, &mappi_irq_type,
118 handle_level_irq);
119 icu_data[M32R_IRQ_INT1].icucr = M32R_ICUCR_IEN | M32R_ICUCR_ISMOD00;
120 disable_mappi_irq(M32R_IRQ_INT1);
121
122 /* INT2 : pccard1 interrupt */
123 irq_set_chip_and_handler(M32R_IRQ_INT2, &mappi_irq_type,
124 handle_level_irq);
125 icu_data[M32R_IRQ_INT2].icucr = M32R_ICUCR_IEN | M32R_ICUCR_ISMOD00;
126 disable_mappi_irq(M32R_IRQ_INT2);
127 #endif /* CONFIG_M32RPCC */
128 }
129
130 #if defined(CONFIG_FB_S1D13XXX)
131
132 #include <video/s1d13xxxfb.h>
133 #include <asm/s1d13806.h>
134
135 static struct s1d13xxxfb_pdata s1d13xxxfb_data = {
136 .initregs = s1d13xxxfb_initregs,
137 .initregssize = ARRAY_SIZE(s1d13xxxfb_initregs),
138 .platform_init_video = NULL,
139 #ifdef CONFIG_PM
140 .platform_suspend_video = NULL,
141 .platform_resume_video = NULL,
142 #endif
143 };
144
145 static struct resource s1d13xxxfb_resources[] = {
146 [0] = {
147 .start = 0x10200000UL,
148 .end = 0x1033FFFFUL,
149 .flags = IORESOURCE_MEM,
150 },
151 [1] = {
152 .start = 0x10000000UL,
153 .end = 0x100001FFUL,
154 .flags = IORESOURCE_MEM,
155 }
156 };
157
158 static struct platform_device s1d13xxxfb_device = {
159 .name = S1D_DEVICENAME,
160 .id = 0,
161 .dev = {
162 .platform_data = &s1d13xxxfb_data,
163 },
164 .num_resources = ARRAY_SIZE(s1d13xxxfb_resources),
165 .resource = s1d13xxxfb_resources,
166 };
167
platform_init(void)168 static int __init platform_init(void)
169 {
170 platform_device_register(&s1d13xxxfb_device);
171 return 0;
172 }
173 arch_initcall(platform_init);
174 #endif
175