xref: /openbmc/linux/arch/m68k/amiga/platform.c (revision bc5aa3a0)
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/err.h>
10 #include <linux/init.h>
11 #include <linux/platform_device.h>
12 #include <linux/zorro.h>
13 
14 #include <asm/amigahw.h>
15 #include <asm/amigayle.h>
16 #include <asm/byteorder.h>
17 
18 
19 #ifdef CONFIG_ZORRO
20 
21 static const struct resource zorro_resources[] __initconst = {
22 	/* Zorro II regions (on Zorro II/III) */
23 	{
24 		.name	= "Zorro II exp",
25 		.start	= 0x00e80000,
26 		.end	= 0x00efffff,
27 		.flags	= IORESOURCE_MEM,
28 	}, {
29 		.name	= "Zorro II mem",
30 		.start	= 0x00200000,
31 		.end	= 0x009fffff,
32 		.flags	= IORESOURCE_MEM,
33 	},
34 	/* Zorro III regions (on Zorro III only) */
35 	{
36 		.name	= "Zorro III exp",
37 		.start	= 0xff000000,
38 		.end	= 0xffffffff,
39 		.flags	= IORESOURCE_MEM,
40 	}, {
41 		.name	= "Zorro III cfg",
42 		.start	= 0x40000000,
43 		.end	= 0x7fffffff,
44 		.flags	= IORESOURCE_MEM,
45 	}
46 };
47 
48 
49 static int __init amiga_init_bus(void)
50 {
51 	struct platform_device *pdev;
52 	unsigned int n;
53 
54 	if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(ZORRO))
55 		return -ENODEV;
56 
57 	n = AMIGAHW_PRESENT(ZORRO3) ? 4 : 2;
58 	pdev = platform_device_register_simple("amiga-zorro", -1,
59 					       zorro_resources, n);
60 	return PTR_ERR_OR_ZERO(pdev);
61 }
62 
63 subsys_initcall(amiga_init_bus);
64 
65 
66 static int __init z_dev_present(zorro_id id)
67 {
68 	unsigned int i;
69 
70 	for (i = 0; i < zorro_num_autocon; i++) {
71 		const struct ExpansionRom *rom = &zorro_autocon_init[i].rom;
72 		if (be16_to_cpu(rom->er_Manufacturer) == ZORRO_MANUF(id) &&
73 		    rom->er_Product == ZORRO_PROD(id))
74 			return 1;
75 	}
76 
77 	return 0;
78 }
79 
80 #else /* !CONFIG_ZORRO */
81 
82 static inline int z_dev_present(zorro_id id) { return 0; }
83 
84 #endif /* !CONFIG_ZORRO */
85 
86 
87 static const struct resource a3000_scsi_resource __initconst = {
88 	.start	= 0xdd0000,
89 	.end	= 0xdd00ff,
90 	.flags	= IORESOURCE_MEM,
91 };
92 
93 
94 static const struct resource a4000t_scsi_resource __initconst = {
95 	.start	= 0xdd0000,
96 	.end	= 0xdd0fff,
97 	.flags	= IORESOURCE_MEM,
98 };
99 
100 
101 static const struct resource a1200_ide_resource __initconst = {
102 	.start	= 0xda0000,
103 	.end	= 0xda1fff,
104 	.flags	= IORESOURCE_MEM,
105 };
106 
107 static const struct gayle_ide_platform_data a1200_ide_pdata __initconst = {
108 	.base		= 0xda0000,
109 	.irqport	= 0xda9000,
110 	.explicit_ack	= 1,
111 };
112 
113 
114 static const struct resource a4000_ide_resource __initconst = {
115 	.start	= 0xdd2000,
116 	.end	= 0xdd3fff,
117 	.flags	= IORESOURCE_MEM,
118 };
119 
120 static const struct gayle_ide_platform_data a4000_ide_pdata __initconst = {
121 	.base		= 0xdd2020,
122 	.irqport	= 0xdd3020,
123 	.explicit_ack	= 0,
124 };
125 
126 
127 static const struct resource amiga_rtc_resource __initconst = {
128 	.start	= 0x00dc0000,
129 	.end	= 0x00dcffff,
130 	.flags	= IORESOURCE_MEM,
131 };
132 
133 
134 static int __init amiga_init_devices(void)
135 {
136 	struct platform_device *pdev;
137 	int error;
138 
139 	if (!MACH_IS_AMIGA)
140 		return -ENODEV;
141 
142 	/* video hardware */
143 	if (AMIGAHW_PRESENT(AMI_VIDEO)) {
144 		pdev = platform_device_register_simple("amiga-video", -1, NULL,
145 						       0);
146 		if (IS_ERR(pdev))
147 			return PTR_ERR(pdev);
148 	}
149 
150 
151 	/* sound hardware */
152 	if (AMIGAHW_PRESENT(AMI_AUDIO)) {
153 		pdev = platform_device_register_simple("amiga-audio", -1, NULL,
154 						       0);
155 		if (IS_ERR(pdev))
156 			return PTR_ERR(pdev);
157 	}
158 
159 
160 	/* storage interfaces */
161 	if (AMIGAHW_PRESENT(AMI_FLOPPY)) {
162 		pdev = platform_device_register_simple("amiga-floppy", -1,
163 						       NULL, 0);
164 		if (IS_ERR(pdev))
165 			return PTR_ERR(pdev);
166 	}
167 
168 	if (AMIGAHW_PRESENT(A3000_SCSI)) {
169 		pdev = platform_device_register_simple("amiga-a3000-scsi", -1,
170 						       &a3000_scsi_resource, 1);
171 		if (IS_ERR(pdev))
172 			return PTR_ERR(pdev);
173 	}
174 
175 	if (AMIGAHW_PRESENT(A4000_SCSI)) {
176 		pdev = platform_device_register_simple("amiga-a4000t-scsi", -1,
177 						       &a4000t_scsi_resource,
178 						       1);
179 		if (IS_ERR(pdev))
180 			return PTR_ERR(pdev);
181 	}
182 
183 	if (AMIGAHW_PRESENT(A1200_IDE) ||
184 	    z_dev_present(ZORRO_PROD_MTEC_VIPER_MK_V_E_MATRIX_530_SCSI_IDE)) {
185 		pdev = platform_device_register_simple("amiga-gayle-ide", -1,
186 						       &a1200_ide_resource, 1);
187 		if (IS_ERR(pdev))
188 			return PTR_ERR(pdev);
189 		error = platform_device_add_data(pdev, &a1200_ide_pdata,
190 						 sizeof(a1200_ide_pdata));
191 		if (error)
192 			return error;
193 	}
194 
195 	if (AMIGAHW_PRESENT(A4000_IDE)) {
196 		pdev = platform_device_register_simple("amiga-gayle-ide", -1,
197 						       &a4000_ide_resource, 1);
198 		if (IS_ERR(pdev))
199 			return PTR_ERR(pdev);
200 		error = platform_device_add_data(pdev, &a4000_ide_pdata,
201 						 sizeof(a4000_ide_pdata));
202 		if (error)
203 			return error;
204 	}
205 
206 
207 	/* other I/O hardware */
208 	if (AMIGAHW_PRESENT(AMI_KEYBOARD)) {
209 		pdev = platform_device_register_simple("amiga-keyboard", -1,
210 						       NULL, 0);
211 		if (IS_ERR(pdev))
212 			return PTR_ERR(pdev);
213 	}
214 
215 	if (AMIGAHW_PRESENT(AMI_MOUSE)) {
216 		pdev = platform_device_register_simple("amiga-mouse", -1, NULL,
217 						       0);
218 		if (IS_ERR(pdev))
219 			return PTR_ERR(pdev);
220 	}
221 
222 	if (AMIGAHW_PRESENT(AMI_SERIAL)) {
223 		pdev = platform_device_register_simple("amiga-serial", -1,
224 						       NULL, 0);
225 		if (IS_ERR(pdev))
226 			return PTR_ERR(pdev);
227 	}
228 
229 	if (AMIGAHW_PRESENT(AMI_PARALLEL)) {
230 		pdev = platform_device_register_simple("amiga-parallel", -1,
231 						       NULL, 0);
232 		if (IS_ERR(pdev))
233 			return PTR_ERR(pdev);
234 	}
235 
236 
237 	/* real time clocks */
238 	if (AMIGAHW_PRESENT(A2000_CLK)) {
239 		pdev = platform_device_register_simple("rtc-msm6242", -1,
240 						       &amiga_rtc_resource, 1);
241 		if (IS_ERR(pdev))
242 			return PTR_ERR(pdev);
243 	}
244 
245 	if (AMIGAHW_PRESENT(A3000_CLK)) {
246 		pdev = platform_device_register_simple("rtc-rp5c01", -1,
247 						       &amiga_rtc_resource, 1);
248 		if (IS_ERR(pdev))
249 			return PTR_ERR(pdev);
250 	}
251 
252 	return 0;
253 }
254 
255 arch_initcall(amiga_init_devices);
256