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/arch/sh/boards/board-edosk7760.c

https://bitbucket.org/ndreys/linux-sunxi
C | 193 lines | 144 code | 21 blank | 28 comment | 0 complexity | 2b2ace26e80588f3629da63610f5a9f1 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
  1/*
  2 * Renesas Europe EDOSK7760 Board Support
  3 *
  4 * Copyright (C) 2008 SPES Societa' Progettazione Elettronica e Software Ltd.
  5 * Author: Luca Santini <luca.santini@spesonline.com>
  6 *
  7 * This program is free software; you can redistribute it and/or modify
  8 * it under the terms of the GNU General Public License as published by
  9 * the Free Software Foundation; either version 2 of the License, or
 10 * (at your option) any later version.
 11 *
 12 * This program is distributed in the hope that it will be useful,
 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 15 * GNU General Public License for more details.
 16 *
 17 * You should have received a copy of the GNU General Public License
 18 * along with this program; if not, write to the Free Software
 19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 20 */
 21#include <linux/init.h>
 22#include <linux/types.h>
 23#include <linux/platform_device.h>
 24#include <linux/smc91x.h>
 25#include <linux/interrupt.h>
 26#include <linux/i2c.h>
 27#include <linux/mtd/physmap.h>
 28#include <asm/machvec.h>
 29#include <asm/io.h>
 30#include <asm/addrspace.h>
 31#include <asm/delay.h>
 32#include <asm/i2c-sh7760.h>
 33#include <asm/sizes.h>
 34
 35/* Bus state controller registers for CS4 area */
 36#define BSC_CS4BCR	0xA4FD0010
 37#define BSC_CS4WCR	0xA4FD0030
 38
 39#define SMC_IOBASE	0xA2000000
 40#define SMC_IO_OFFSET	0x300
 41#define SMC_IOADDR	(SMC_IOBASE + SMC_IO_OFFSET)
 42
 43#define ETHERNET_IRQ	5
 44
 45/* NOR flash */
 46static struct mtd_partition edosk7760_nor_flash_partitions[] = {
 47	{
 48		.name = "bootloader",
 49		.offset = 0,
 50		.size = SZ_256K,
 51		.mask_flags = MTD_WRITEABLE,	/* Read-only */
 52	}, {
 53		.name = "kernel",
 54		.offset = MTDPART_OFS_APPEND,
 55		.size = SZ_2M,
 56	}, {
 57		.name = "fs",
 58		.offset = MTDPART_OFS_APPEND,
 59		.size = (26 << 20),
 60	}, {
 61		.name = "other",
 62		.offset = MTDPART_OFS_APPEND,
 63		.size = MTDPART_SIZ_FULL,
 64	},
 65};
 66
 67static struct physmap_flash_data edosk7760_nor_flash_data = {
 68	.width		= 4,
 69	.parts		= edosk7760_nor_flash_partitions,
 70	.nr_parts	= ARRAY_SIZE(edosk7760_nor_flash_partitions),
 71};
 72
 73static struct resource edosk7760_nor_flash_resources[] = {
 74	[0] = {
 75		.name	= "NOR Flash",
 76		.start	= 0x00000000,
 77		.end	= 0x00000000 + SZ_32M - 1,
 78		.flags	= IORESOURCE_MEM,
 79	}
 80};
 81
 82static struct platform_device edosk7760_nor_flash_device = {
 83	.name		= "physmap-flash",
 84	.resource	= edosk7760_nor_flash_resources,
 85	.num_resources	= ARRAY_SIZE(edosk7760_nor_flash_resources),
 86	.dev		= {
 87		.platform_data = &edosk7760_nor_flash_data,
 88	},
 89};
 90
 91/* i2c initialization functions */
 92static struct sh7760_i2c_platdata i2c_pd = {
 93	.speed_khz	= 400,
 94};
 95
 96static struct resource sh7760_i2c1_res[] = {
 97	{
 98		.start	= SH7760_I2C1_MMIO,
 99		.end	= SH7760_I2C1_MMIOEND,
100		.flags	= IORESOURCE_MEM,
101	},{
102		.start	= SH7760_I2C1_IRQ,
103		.end	= SH7760_I2C1_IRQ,
104		.flags	= IORESOURCE_IRQ,
105	},
106};
107
108static struct platform_device sh7760_i2c1_dev = {
109	.dev    = {
110		.platform_data	= &i2c_pd,
111	},
112
113	.name		= SH7760_I2C_DEVNAME,
114	.id		= 1,
115	.resource	= sh7760_i2c1_res,
116	.num_resources	= ARRAY_SIZE(sh7760_i2c1_res),
117};
118
119static struct resource sh7760_i2c0_res[] = {
120	{
121		.start	= SH7760_I2C0_MMIO,
122		.end	= SH7760_I2C0_MMIOEND,
123		.flags	= IORESOURCE_MEM,
124	}, {
125		.start	= SH7760_I2C0_IRQ,
126		.end	= SH7760_I2C0_IRQ,
127		.flags	= IORESOURCE_IRQ,
128	},
129};
130
131static struct platform_device sh7760_i2c0_dev = {
132	.dev    = {
133		.platform_data	= &i2c_pd,
134	},
135	.name		= SH7760_I2C_DEVNAME,
136	.id		= 0,
137	.resource	= sh7760_i2c0_res,
138	.num_resources	= ARRAY_SIZE(sh7760_i2c0_res),
139};
140
141/* eth initialization functions */
142static struct smc91x_platdata smc91x_info = {
143	.flags = SMC91X_USE_16BIT | SMC91X_IO_SHIFT_1 | IORESOURCE_IRQ_LOWLEVEL,
144};
145
146static struct resource smc91x_res[] = {
147	[0] = {
148		.start	= SMC_IOADDR,
149		.end	= SMC_IOADDR + SZ_32 - 1,
150		.flags	= IORESOURCE_MEM,
151	},
152	[1] = {
153		.start	= ETHERNET_IRQ,
154		.end	= ETHERNET_IRQ,
155		.flags	= IORESOURCE_IRQ ,
156	}
157};
158
159static struct platform_device smc91x_dev = {
160	.name		= "smc91x",
161	.id		= -1,
162	.num_resources	= ARRAY_SIZE(smc91x_res),
163	.resource	= smc91x_res,
164
165	.dev	= {
166		.platform_data	= &smc91x_info,
167	},
168};
169
170/* platform init code */
171static struct platform_device *edosk7760_devices[] __initdata = {
172	&smc91x_dev,
173	&edosk7760_nor_flash_device,
174	&sh7760_i2c0_dev,
175	&sh7760_i2c1_dev,
176};
177
178static int __init init_edosk7760_devices(void)
179{
180	plat_irq_setup_pins(IRQ_MODE_IRQ);
181
182	return platform_add_devices(edosk7760_devices,
183				    ARRAY_SIZE(edosk7760_devices));
184}
185device_initcall(init_edosk7760_devices);
186
187/*
188 * The Machine Vector
189 */
190struct sh_machine_vector mv_edosk7760 __initmv = {
191	.mv_name	= "EDOSK7760",
192	.mv_nr_irqs	= 128,
193};