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/arch/m68k/amiga/platform.c

https://bitbucket.org/thekraven/iscream_thunderc-2.6.35
C | 197 lines | 133 code | 50 blank | 14 comment | 20 complexity | b4d4dfad70ebd772c87b64dce7d149b7 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
  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
 19static 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
 47static 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
 57subsys_initcall(amiga_init_bus);
 58
 59
 60static 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
 74static inline int z_dev_present(zorro_id id) { return 0; }
 75
 76#endif /* !CONFIG_ZORRO */
 77
 78
 79static const struct resource a3000_scsi_resource __initconst = {
 80	.start	= 0xdd0000,
 81	.end	= 0xdd00ff,
 82	.flags	= IORESOURCE_MEM,
 83};
 84
 85
 86static const struct resource a4000t_scsi_resource __initconst = {
 87	.start	= 0xdd0000,
 88	.end	= 0xdd0fff,
 89	.flags	= IORESOURCE_MEM,
 90};
 91
 92
 93static const struct resource a1200_ide_resource __initconst = {
 94	.start	= 0xda0000,
 95	.end	= 0xda1fff,
 96	.flags	= IORESOURCE_MEM,
 97};
 98
 99static const struct gayle_ide_platform_data a1200_ide_pdata __initconst = {
100	.base		= 0xda0000,
101	.irqport	= 0xda9000,
102	.explicit_ack	= 1,
103};
104
105
106static const struct resource a4000_ide_resource __initconst = {
107	.start	= 0xdd2000,
108	.end	= 0xdd3fff,
109	.flags	= IORESOURCE_MEM,
110};
111
112static const struct gayle_ide_platform_data a4000_ide_pdata __initconst = {
113	.base		= 0xdd2020,
114	.irqport	= 0xdd3020,
115	.explicit_ack	= 0,
116};
117
118
119static const struct resource amiga_rtc_resource __initconst = {
120	.start	= 0x00dc0000,
121	.end	= 0x00dcffff,
122	.flags	= IORESOURCE_MEM,
123};
124
125
126static 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
197device_initcall(amiga_init_devices);