board-edosk7760.c

  1// SPDX-License-Identifier: GPL-2.0+
  2/*
  3 * Renesas Europe EDOSK7760 Board Support
  4 *
  5 * Copyright (C) 2008 SPES Societa' Progettazione Elettronica e Software Ltd.
  6 * Author: Luca Santini <luca.santini@spesonline.com>
  7 */
  8#include <linux/init.h>
  9#include <linux/types.h>
 10#include <linux/platform_device.h>
 11#include <linux/smc91x.h>
 12#include <linux/interrupt.h>
 13#include <linux/sh_intc.h>
 14#include <linux/i2c.h>
 15#include <linux/mtd/physmap.h>
 16#include <asm/machvec.h>
 17#include <asm/io.h>
 18#include <asm/addrspace.h>
 19#include <asm/delay.h>
 20#include <asm/i2c-sh7760.h>
 21#include <linux/sizes.h>
 22
 23/* Bus state controller registers for CS4 area */
 24#define BSC_CS4BCR	0xA4FD0010
 25#define BSC_CS4WCR	0xA4FD0030
 26
 27#define SMC_IOBASE	0xA2000000
 28#define SMC_IO_OFFSET	0x300
 29#define SMC_IOADDR	(SMC_IOBASE + SMC_IO_OFFSET)
 30
 31/* NOR flash */
 32static struct mtd_partition edosk7760_nor_flash_partitions[] = {
 33	{
 34		.name = "bootloader",
 35		.offset = 0,
 36		.size = SZ_256K,
 37		.mask_flags = MTD_WRITEABLE,	/* Read-only */
 38	}, {
 39		.name = "kernel",
 40		.offset = MTDPART_OFS_APPEND,
 41		.size = SZ_2M,
 42	}, {
 43		.name = "fs",
 44		.offset = MTDPART_OFS_APPEND,
 45		.size = (26 << 20),
 46	}, {
 47		.name = "other",
 48		.offset = MTDPART_OFS_APPEND,
 49		.size = MTDPART_SIZ_FULL,
 50	},
 51};
 52
 53static struct physmap_flash_data edosk7760_nor_flash_data = {
 54	.width		= 4,
 55	.parts		= edosk7760_nor_flash_partitions,
 56	.nr_parts	= ARRAY_SIZE(edosk7760_nor_flash_partitions),
 57};
 58
 59static struct resource edosk7760_nor_flash_resources[] = {
 60	[0] = {
 61		.name	= "NOR Flash",
 62		.start	= 0x00000000,
 63		.end	= 0x00000000 + SZ_32M - 1,
 64		.flags	= IORESOURCE_MEM,
 65	}
 66};
 67
 68static struct platform_device edosk7760_nor_flash_device = {
 69	.name		= "physmap-flash",
 70	.resource	= edosk7760_nor_flash_resources,
 71	.num_resources	= ARRAY_SIZE(edosk7760_nor_flash_resources),
 72	.dev		= {
 73		.platform_data = &edosk7760_nor_flash_data,
 74	},
 75};
 76
 77/* i2c initialization functions */
 78static struct sh7760_i2c_platdata i2c_pd = {
 79	.speed_khz	= 400,
 80};
 81
 82static struct resource sh7760_i2c1_res[] = {
 83	{
 84		.start	= SH7760_I2C1_MMIO,
 85		.end	= SH7760_I2C1_MMIOEND,
 86		.flags	= IORESOURCE_MEM,
 87	},{
 88		.start	= evt2irq(0x9e0),
 89		.end	= evt2irq(0x9e0),
 90		.flags	= IORESOURCE_IRQ,
 91	},
 92};
 93
 94static struct platform_device sh7760_i2c1_dev = {
 95	.dev    = {
 96		.platform_data	= &i2c_pd,
 97	},
 98
 99	.name		= SH7760_I2C_DEVNAME,
100	.id		= 1,
101	.resource	= sh7760_i2c1_res,
102	.num_resources	= ARRAY_SIZE(sh7760_i2c1_res),
103};
104
105static struct resource sh7760_i2c0_res[] = {
106	{
107		.start	= SH7760_I2C0_MMIO,
108		.end	= SH7760_I2C0_MMIOEND,
109		.flags	= IORESOURCE_MEM,
110	}, {
111		.start	= evt2irq(0x9c0),
112		.end	= evt2irq(0x9c0),
113		.flags	= IORESOURCE_IRQ,
114	},
115};
116
117static struct platform_device sh7760_i2c0_dev = {
118	.dev    = {
119		.platform_data	= &i2c_pd,
120	},
121	.name		= SH7760_I2C_DEVNAME,
122	.id		= 0,
123	.resource	= sh7760_i2c0_res,
124	.num_resources	= ARRAY_SIZE(sh7760_i2c0_res),
125};
126
127/* eth initialization functions */
128static struct smc91x_platdata smc91x_info = {
129	.flags = SMC91X_USE_16BIT | SMC91X_IO_SHIFT_1 | IORESOURCE_IRQ_LOWLEVEL,
130};
131
132static struct resource smc91x_res[] = {
133	[0] = {
134		.start	= SMC_IOADDR,
135		.end	= SMC_IOADDR + SZ_32 - 1,
136		.flags	= IORESOURCE_MEM,
137	},
138	[1] = {
139		.start	= evt2irq(0x2a0),
140		.end	= evt2irq(0x2a0),
141		.flags	= IORESOURCE_IRQ ,
142	}
143};
144
145static struct platform_device smc91x_dev = {
146	.name		= "smc91x",
147	.id		= -1,
148	.num_resources	= ARRAY_SIZE(smc91x_res),
149	.resource	= smc91x_res,
150
151	.dev	= {
152		.platform_data	= &smc91x_info,
153	},
154};
155
156/* platform init code */
157static struct platform_device *edosk7760_devices[] __initdata = {
158	&smc91x_dev,
159	&edosk7760_nor_flash_device,
160	&sh7760_i2c0_dev,
161	&sh7760_i2c1_dev,
162};
163
164static int __init init_edosk7760_devices(void)
165{
166	plat_irq_setup_pins(IRQ_MODE_IRQ);
167
168	return platform_add_devices(edosk7760_devices,
169				    ARRAY_SIZE(edosk7760_devices));
170}
171device_initcall(init_edosk7760_devices);
172
173/*
174 * The Machine Vector
175 */
176struct sh_machine_vector mv_edosk7760 __initmv = {
177	.mv_name	= "EDOSK7760",
178};