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 = SZ_26M, 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} 185__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}; 194