1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * arch/sh/boards/landisk/setup.c
4  *
5  * I-O DATA Device, Inc. LANDISK Support.
6  *
7  * Copyright (C) 2000 Kazumoto Kojima
8  * Copyright (C) 2002 Paul Mundt
9  * Copylight (C) 2002 Atom Create Engineering Co., Ltd.
10  * Copyright (C) 2005-2007 kogiidena
11  */
12 #include <linux/init.h>
13 #include <linux/platform_device.h>
14 #include <linux/ata_platform.h>
15 #include <linux/pm.h>
16 #include <linux/mm.h>
17 #include <asm/machvec.h>
18 #include <mach-landisk/mach/iodata_landisk.h>
19 #include <asm/io.h>
20 
landisk_power_off(void)21 static void landisk_power_off(void)
22 {
23 	__raw_writeb(0x01, PA_SHUTDOWN);
24 }
25 
26 static struct resource cf_ide_resources[3];
27 
28 static struct pata_platform_info pata_info = {
29 	.ioport_shift	= 1,
30 };
31 
32 static struct platform_device cf_ide_device = {
33 	.name		= "pata_platform",
34 	.id		= -1,
35 	.num_resources	= ARRAY_SIZE(cf_ide_resources),
36 	.resource	= cf_ide_resources,
37 	.dev		= {
38 		.platform_data = &pata_info,
39 	},
40 };
41 
42 static struct platform_device rtc_device = {
43 	.name		= "rs5c313",
44 	.id		= -1,
45 };
46 
47 static struct platform_device *landisk_devices[] __initdata = {
48 	&cf_ide_device,
49 	&rtc_device,
50 };
51 
landisk_devices_setup(void)52 static int __init landisk_devices_setup(void)
53 {
54 	pgprot_t prot;
55 	unsigned long paddrbase;
56 	void *cf_ide_base;
57 
58 	/* open I/O area window */
59 	paddrbase = virt_to_phys((void *)PA_AREA5_IO);
60 	prot = PAGE_KERNEL_PCC(1, _PAGE_PCC_IO16);
61 	cf_ide_base = ioremap_prot(paddrbase, PAGE_SIZE, pgprot_val(prot));
62 	if (!cf_ide_base) {
63 		printk("allocate_cf_area : can't open CF I/O window!\n");
64 		return -ENOMEM;
65 	}
66 
67 	/* IDE cmd address : 0x1f0-0x1f7 and 0x3f6 */
68 	cf_ide_resources[0].start = (unsigned long)cf_ide_base + 0x40;
69 	cf_ide_resources[0].end   = (unsigned long)cf_ide_base + 0x40 + 0x0f;
70 	cf_ide_resources[0].flags = IORESOURCE_IO;
71 	cf_ide_resources[1].start = (unsigned long)cf_ide_base + 0x2c;
72 	cf_ide_resources[1].end   = (unsigned long)cf_ide_base + 0x2c + 0x03;
73 	cf_ide_resources[1].flags = IORESOURCE_IO;
74 	cf_ide_resources[2].start = IRQ_FATA;
75 	cf_ide_resources[2].flags = IORESOURCE_IRQ;
76 
77 	return platform_add_devices(landisk_devices,
78 				    ARRAY_SIZE(landisk_devices));
79 }
80 
81 device_initcall(landisk_devices_setup);
82 
landisk_setup(char ** cmdline_p)83 static void __init landisk_setup(char **cmdline_p)
84 {
85 	/* I/O port identity mapping */
86 	__set_io_port_base(0);
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