xref: /linux/arch/sh/boards/mach-landisk/setup.c (revision 4413e16d9d21673bb5048a2e542f1aaa00015c2e)
1 /*
2  * arch/sh/boards/landisk/setup.c
3  *
4  * I-O DATA Device, Inc. LANDISK Support.
5  *
6  * Copyright (C) 2000 Kazumoto Kojima
7  * Copyright (C) 2002 Paul Mundt
8  * Copylight (C) 2002 Atom Create Engineering Co., Ltd.
9  * Copyright (C) 2005-2007 kogiidena
10  *
11  * This file is subject to the terms and conditions of the GNU General Public
12  * License.  See the file "COPYING" in the main directory of this archive
13  * for more details.
14  */
15 #include <linux/init.h>
16 #include <linux/platform_device.h>
17 #include <linux/ata_platform.h>
18 #include <linux/pm.h>
19 #include <linux/mm.h>
20 #include <asm/machvec.h>
21 #include <mach-landisk/mach/iodata_landisk.h>
22 #include <asm/io.h>
23 
24 static void landisk_power_off(void)
25 {
26 	__raw_writeb(0x01, PA_SHUTDOWN);
27 }
28 
29 static struct resource cf_ide_resources[3];
30 
31 static struct pata_platform_info pata_info = {
32 	.ioport_shift	= 1,
33 };
34 
35 static struct platform_device cf_ide_device = {
36 	.name		= "pata_platform",
37 	.id		= -1,
38 	.num_resources	= ARRAY_SIZE(cf_ide_resources),
39 	.resource	= cf_ide_resources,
40 	.dev		= {
41 		.platform_data = &pata_info,
42 	},
43 };
44 
45 static struct platform_device rtc_device = {
46 	.name		= "rs5c313",
47 	.id		= -1,
48 };
49 
50 static struct platform_device *landisk_devices[] __initdata = {
51 	&cf_ide_device,
52 	&rtc_device,
53 };
54 
55 static int __init landisk_devices_setup(void)
56 {
57 	pgprot_t prot;
58 	unsigned long paddrbase;
59 	void *cf_ide_base;
60 
61 	/* open I/O area window */
62 	paddrbase = virt_to_phys((void *)PA_AREA5_IO);
63 	prot = PAGE_KERNEL_PCC(1, _PAGE_PCC_IO16);
64 	cf_ide_base = ioremap_prot(paddrbase, PAGE_SIZE, pgprot_val(prot));
65 	if (!cf_ide_base) {
66 		printk("allocate_cf_area : can't open CF I/O window!\n");
67 		return -ENOMEM;
68 	}
69 
70 	/* IDE cmd address : 0x1f0-0x1f7 and 0x3f6 */
71 	cf_ide_resources[0].start = (unsigned long)cf_ide_base + 0x40;
72 	cf_ide_resources[0].end   = (unsigned long)cf_ide_base + 0x40 + 0x0f;
73 	cf_ide_resources[0].flags = IORESOURCE_IO;
74 	cf_ide_resources[1].start = (unsigned long)cf_ide_base + 0x2c;
75 	cf_ide_resources[1].end   = (unsigned long)cf_ide_base + 0x2c + 0x03;
76 	cf_ide_resources[1].flags = IORESOURCE_IO;
77 	cf_ide_resources[2].start = IRQ_FATA;
78 	cf_ide_resources[2].flags = IORESOURCE_IRQ;
79 
80 	return platform_add_devices(landisk_devices,
81 				    ARRAY_SIZE(landisk_devices));
82 }
83 
84 device_initcall(landisk_devices_setup);
85 
86 static void __init landisk_setup(char **cmdline_p)
87 {
88 	/* LED ON */
89 	__raw_writeb(__raw_readb(PA_LED) | 0x03, PA_LED);
90 
91 	printk(KERN_INFO "I-O DATA DEVICE, INC. \"LANDISK Series\" support.\n");
92 	pm_power_off = landisk_power_off;
93 }
94 
95 /*
96  * The Machine Vector
97  */
98 static struct sh_machine_vector mv_landisk __initmv = {
99 	.mv_name = "LANDISK",
100 	.mv_setup = landisk_setup,
101 	.mv_init_irq = init_landisk_IRQ,
102 };
103