xref: /openbmc/linux/arch/m68k/amiga/platform.c (revision baa7eb025ab14f3cba2e35c0a8648f9c9f01d24f)
1 /*
2  *  Copyright (C) 2007-2009 Geert Uytterhoeven
3  *
4  * This file is subject to the terms and conditions of the GNU General Public
5  * License.  See the file COPYING in the main directory of this archive
6  * for more details.
7  */
8 
9 #include <linux/init.h>
10 #include <linux/platform_device.h>
11 #include <linux/zorro.h>
12 
13 #include <asm/amigahw.h>
14 #include <asm/amigayle.h>
15 
16 
17 #ifdef CONFIG_ZORRO
18 
19 static const struct resource zorro_resources[] __initconst = {
20 	/* Zorro II regions (on Zorro II/III) */
21 	{
22 		.name	= "Zorro II exp",
23 		.start	= 0x00e80000,
24 		.end	= 0x00efffff,
25 		.flags	= IORESOURCE_MEM,
26 	}, {
27 		.name	= "Zorro II mem",
28 		.start	= 0x00200000,
29 		.end	= 0x009fffff,
30 		.flags	= IORESOURCE_MEM,
31 	},
32 	/* Zorro III regions (on Zorro III only) */
33 	{
34 		.name	= "Zorro III exp",
35 		.start	= 0xff000000,
36 		.end	= 0xffffffff,
37 		.flags	= IORESOURCE_MEM,
38 	}, {
39 		.name	= "Zorro III cfg",
40 		.start	= 0x40000000,
41 		.end	= 0x7fffffff,
42 		.flags	= IORESOURCE_MEM,
43 	}
44 };
45 
46 
47 static int __init amiga_init_bus(void)
48 {
49 	if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(ZORRO))
50 		return -ENODEV;
51 
52 	platform_device_register_simple("amiga-zorro", -1, zorro_resources,
53 					AMIGAHW_PRESENT(ZORRO3) ? 4 : 2);
54 	return 0;
55 }
56 
57 subsys_initcall(amiga_init_bus);
58 
59 
60 static int z_dev_present(zorro_id id)
61 {
62 	unsigned int i;
63 
64 	for (i = 0; i < zorro_num_autocon; i++)
65 		if (zorro_autocon[i].rom.er_Manufacturer == ZORRO_MANUF(id) &&
66 		    zorro_autocon[i].rom.er_Product == ZORRO_PROD(id))
67 			return 1;
68 
69 	return 0;
70 }
71 
72 #else /* !CONFIG_ZORRO */
73 
74 static inline int z_dev_present(zorro_id id) { return 0; }
75 
76 #endif /* !CONFIG_ZORRO */
77 
78 
79 static const struct resource a3000_scsi_resource __initconst = {
80 	.start	= 0xdd0000,
81 	.end	= 0xdd00ff,
82 	.flags	= IORESOURCE_MEM,
83 };
84 
85 
86 static const struct resource a4000t_scsi_resource __initconst = {
87 	.start	= 0xdd0000,
88 	.end	= 0xdd0fff,
89 	.flags	= IORESOURCE_MEM,
90 };
91 
92 
93 static const struct resource a1200_ide_resource __initconst = {
94 	.start	= 0xda0000,
95 	.end	= 0xda1fff,
96 	.flags	= IORESOURCE_MEM,
97 };
98 
99 static const struct gayle_ide_platform_data a1200_ide_pdata __initconst = {
100 	.base		= 0xda0000,
101 	.irqport	= 0xda9000,
102 	.explicit_ack	= 1,
103 };
104 
105 
106 static const struct resource a4000_ide_resource __initconst = {
107 	.start	= 0xdd2000,
108 	.end	= 0xdd3fff,
109 	.flags	= IORESOURCE_MEM,
110 };
111 
112 static const struct gayle_ide_platform_data a4000_ide_pdata __initconst = {
113 	.base		= 0xdd2020,
114 	.irqport	= 0xdd3020,
115 	.explicit_ack	= 0,
116 };
117 
118 
119 static const struct resource amiga_rtc_resource __initconst = {
120 	.start	= 0x00dc0000,
121 	.end	= 0x00dcffff,
122 	.flags	= IORESOURCE_MEM,
123 };
124 
125 
126 static int __init amiga_init_devices(void)
127 {
128 	struct platform_device *pdev;
129 
130 	if (!MACH_IS_AMIGA)
131 		return -ENODEV;
132 
133 	/* video hardware */
134 	if (AMIGAHW_PRESENT(AMI_VIDEO))
135 		platform_device_register_simple("amiga-video", -1, NULL, 0);
136 
137 
138 	/* sound hardware */
139 	if (AMIGAHW_PRESENT(AMI_AUDIO))
140 		platform_device_register_simple("amiga-audio", -1, NULL, 0);
141 
142 
143 	/* storage interfaces */
144 	if (AMIGAHW_PRESENT(AMI_FLOPPY))
145 		platform_device_register_simple("amiga-floppy", -1, NULL, 0);
146 
147 	if (AMIGAHW_PRESENT(A3000_SCSI))
148 		platform_device_register_simple("amiga-a3000-scsi", -1,
149 						&a3000_scsi_resource, 1);
150 
151 	if (AMIGAHW_PRESENT(A4000_SCSI))
152 		platform_device_register_simple("amiga-a4000t-scsi", -1,
153 						&a4000t_scsi_resource, 1);
154 
155 	if (AMIGAHW_PRESENT(A1200_IDE) ||
156 	    z_dev_present(ZORRO_PROD_MTEC_VIPER_MK_V_E_MATRIX_530_SCSI_IDE)) {
157 		pdev = platform_device_register_simple("amiga-gayle-ide", -1,
158 						       &a1200_ide_resource, 1);
159 		platform_device_add_data(pdev, &a1200_ide_pdata,
160 					 sizeof(a1200_ide_pdata));
161 	}
162 
163 	if (AMIGAHW_PRESENT(A4000_IDE)) {
164 		pdev = platform_device_register_simple("amiga-gayle-ide", -1,
165 						       &a4000_ide_resource, 1);
166 		platform_device_add_data(pdev, &a4000_ide_pdata,
167 					 sizeof(a4000_ide_pdata));
168 	}
169 
170 
171 	/* other I/O hardware */
172 	if (AMIGAHW_PRESENT(AMI_KEYBOARD))
173 		platform_device_register_simple("amiga-keyboard", -1, NULL, 0);
174 
175 	if (AMIGAHW_PRESENT(AMI_MOUSE))
176 		platform_device_register_simple("amiga-mouse", -1, NULL, 0);
177 
178 	if (AMIGAHW_PRESENT(AMI_SERIAL))
179 		platform_device_register_simple("amiga-serial", -1, NULL, 0);
180 
181 	if (AMIGAHW_PRESENT(AMI_PARALLEL))
182 		platform_device_register_simple("amiga-parallel", -1, NULL, 0);
183 
184 
185 	/* real time clocks */
186 	if (AMIGAHW_PRESENT(A2000_CLK))
187 		platform_device_register_simple("rtc-msm6242", -1,
188 						&amiga_rtc_resource, 1);
189 
190 	if (AMIGAHW_PRESENT(A3000_CLK))
191 		platform_device_register_simple("rtc-rp5c01", -1,
192 						&amiga_rtc_resource, 1);
193 
194 	return 0;
195 }
196 
197 device_initcall(amiga_init_devices);
198