board-sh2007.c

  1// SPDX-License-Identifier: GPL-2.0
  2/*
  3 * SH-2007 board support.
  4 *
  5 * Copyright (C) 2003, 2004  SUGIOKA Toshinobu
  6 * Copyright (C) 2010  Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
  7 */
  8#include <linux/init.h>
  9#include <linux/irq.h>
 10#include <linux/regulator/fixed.h>
 11#include <linux/regulator/machine.h>
 12#include <linux/smsc911x.h>
 13#include <linux/platform_device.h>
 14#include <linux/ata_platform.h>
 15#include <linux/io.h>
 16#include <asm/machvec.h>
 17#include <mach/sh2007.h>
 18
 19/* Dummy supplies, where voltage doesn't matter */
 20static struct regulator_consumer_supply dummy_supplies[] = {
 21	REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
 22	REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
 23	REGULATOR_SUPPLY("vddvario", "smsc911x.1"),
 24	REGULATOR_SUPPLY("vdd33a", "smsc911x.1"),
 25};
 26
 27struct smsc911x_platform_config smc911x_info = {
 28	.flags		= SMSC911X_USE_32BIT,
 29	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 30	.irq_type	= SMSC911X_IRQ_TYPE_PUSH_PULL,
 31};
 32
 33static struct resource smsc9118_0_resources[] = {
 34	[0] = {
 35		.start	= SMC0_BASE,
 36		.end	= SMC0_BASE + 0xff,
 37		.flags	= IORESOURCE_MEM,
 38	},
 39	[1] = {
 40		.start	= evt2irq(0x240),
 41		.end	= evt2irq(0x240),
 42		.flags	= IORESOURCE_IRQ,
 43	}
 44};
 45
 46static struct resource smsc9118_1_resources[] = {
 47	[0] = {
 48		.start	= SMC1_BASE,
 49		.end	= SMC1_BASE + 0xff,
 50		.flags	= IORESOURCE_MEM,
 51	},
 52	[1] = {
 53		.start	= evt2irq(0x280),
 54		.end	= evt2irq(0x280),
 55		.flags	= IORESOURCE_IRQ,
 56	}
 57};
 58
 59static struct platform_device smsc9118_0_device = {
 60	.name		= "smsc911x",
 61	.id		= 0,
 62	.num_resources	= ARRAY_SIZE(smsc9118_0_resources),
 63	.resource	= smsc9118_0_resources,
 64	.dev = {
 65		.platform_data = &smc911x_info,
 66	},
 67};
 68
 69static struct platform_device smsc9118_1_device = {
 70	.name		= "smsc911x",
 71	.id		= 1,
 72	.num_resources	= ARRAY_SIZE(smsc9118_1_resources),
 73	.resource	= smsc9118_1_resources,
 74	.dev = {
 75		.platform_data = &smc911x_info,
 76	},
 77};
 78
 79static struct resource cf_resources[] = {
 80	[0] = {
 81		.start	= CF_BASE + CF_OFFSET,
 82		.end	= CF_BASE + CF_OFFSET + 0x0f,
 83		.flags	= IORESOURCE_MEM,
 84	},
 85	[1] = {
 86		.start	= CF_BASE + CF_OFFSET + 0x206,
 87		.end	= CF_BASE + CF_OFFSET + 0x20f,
 88		.flags	= IORESOURCE_MEM,
 89	},
 90	[2] = {
 91		.start	= evt2irq(0x2c0),
 92		.end	= evt2irq(0x2c0),
 93		.flags	= IORESOURCE_IRQ,
 94	},
 95};
 96
 97static struct platform_device cf_device  = {
 98	.name		= "pata_platform",
 99	.id		= 0,
100	.num_resources	= ARRAY_SIZE(cf_resources),
101	.resource	= cf_resources,
102};
103
104static struct platform_device *sh2007_devices[] __initdata = {
105	&smsc9118_0_device,
106	&smsc9118_1_device,
107	&cf_device,
108};
109
110static int __init sh2007_io_init(void)
111{
112	regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
113
114	platform_add_devices(sh2007_devices, ARRAY_SIZE(sh2007_devices));
115	return 0;
116}
117subsys_initcall(sh2007_io_init);
118
119static void __init sh2007_init_irq(void)
120{
121	plat_irq_setup_pins(IRQ_MODE_IRQ);
122}
123
124/*
125 * Initialize the board
126 */
127static void __init sh2007_setup(char **cmdline_p)
128{
129	pr_info("SH-2007 Setup...");
130
131	/* setup wait control registers for area 5 */
132	__raw_writel(CS5BCR_D, CS5BCR);
133	__raw_writel(CS5WCR_D, CS5WCR);
134	__raw_writel(CS5PCR_D, CS5PCR);
135
136	pr_cont(" done.\n");
137}
138
139/*
140 * The Machine Vector
141 */
142struct sh_machine_vector mv_sh2007 __initmv = {
143	.mv_setup		= sh2007_setup,
144	.mv_name		= "sh2007",
145	.mv_init_irq		= sh2007_init_irq,
146};