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 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 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 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