cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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setup.c (2587B)

      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
     21static void landisk_power_off(void)
     22{
     23	__raw_writeb(0x01, PA_SHUTDOWN);
     24}
     25
     26static struct resource cf_ide_resources[3];
     27
     28static struct pata_platform_info pata_info = {
     29	.ioport_shift	= 1,
     30};
     31
     32static 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
     42static struct platform_device rtc_device = {
     43	.name		= "rs5c313",
     44	.id		= -1,
     45};
     46
     47static struct platform_device *landisk_devices[] __initdata = {
     48	&cf_ide_device,
     49	&rtc_device,
     50};
     51
     52static 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
     81device_initcall(landisk_devices_setup);
     82
     83static 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 */
     98static struct sh_machine_vector mv_landisk __initmv = {
     99	.mv_name = "LANDISK",
    100	.mv_setup = landisk_setup,
    101	.mv_init_irq = init_landisk_IRQ,
    102};