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