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/sh_intc.h> 27 #include <linux/i2c.h> 28 #include <linux/mtd/physmap.h> 29 #include <asm/machvec.h> 30 #include <asm/io.h> 31 #include <asm/addrspace.h> 32 #include <asm/delay.h> 33 #include <asm/i2c-sh7760.h> 34 #include <asm/sizes.h> 35 36 /* Bus state controller registers for CS4 area */ 37 #define BSC_CS4BCR 0xA4FD0010 38 #define BSC_CS4WCR 0xA4FD0030 39 40 #define SMC_IOBASE 0xA2000000 41 #define SMC_IO_OFFSET 0x300 42 #define SMC_IOADDR (SMC_IOBASE + SMC_IO_OFFSET) 43 44 /* NOR flash */ 45 static struct mtd_partition edosk7760_nor_flash_partitions[] = { 46 { 47 .name = "bootloader", 48 .offset = 0, 49 .size = SZ_256K, 50 .mask_flags = MTD_WRITEABLE, /* Read-only */ 51 }, { 52 .name = "kernel", 53 .offset = MTDPART_OFS_APPEND, 54 .size = SZ_2M, 55 }, { 56 .name = "fs", 57 .offset = MTDPART_OFS_APPEND, 58 .size = (26 << 20), 59 }, { 60 .name = "other", 61 .offset = MTDPART_OFS_APPEND, 62 .size = MTDPART_SIZ_FULL, 63 }, 64 }; 65 66 static struct physmap_flash_data edosk7760_nor_flash_data = { 67 .width = 4, 68 .parts = edosk7760_nor_flash_partitions, 69 .nr_parts = ARRAY_SIZE(edosk7760_nor_flash_partitions), 70 }; 71 72 static struct resource edosk7760_nor_flash_resources[] = { 73 [0] = { 74 .name = "NOR Flash", 75 .start = 0x00000000, 76 .end = 0x00000000 + SZ_32M - 1, 77 .flags = IORESOURCE_MEM, 78 } 79 }; 80 81 static struct platform_device edosk7760_nor_flash_device = { 82 .name = "physmap-flash", 83 .resource = edosk7760_nor_flash_resources, 84 .num_resources = ARRAY_SIZE(edosk7760_nor_flash_resources), 85 .dev = { 86 .platform_data = &edosk7760_nor_flash_data, 87 }, 88 }; 89 90 /* i2c initialization functions */ 91 static struct sh7760_i2c_platdata i2c_pd = { 92 .speed_khz = 400, 93 }; 94 95 static struct resource sh7760_i2c1_res[] = { 96 { 97 .start = SH7760_I2C1_MMIO, 98 .end = SH7760_I2C1_MMIOEND, 99 .flags = IORESOURCE_MEM, 100 },{ 101 .start = evt2irq(0x9e0), 102 .end = evt2irq(0x9e0), 103 .flags = IORESOURCE_IRQ, 104 }, 105 }; 106 107 static struct platform_device sh7760_i2c1_dev = { 108 .dev = { 109 .platform_data = &i2c_pd, 110 }, 111 112 .name = SH7760_I2C_DEVNAME, 113 .id = 1, 114 .resource = sh7760_i2c1_res, 115 .num_resources = ARRAY_SIZE(sh7760_i2c1_res), 116 }; 117 118 static struct resource sh7760_i2c0_res[] = { 119 { 120 .start = SH7760_I2C0_MMIO, 121 .end = SH7760_I2C0_MMIOEND, 122 .flags = IORESOURCE_MEM, 123 }, { 124 .start = evt2irq(0x9c0), 125 .end = evt2irq(0x9c0), 126 .flags = IORESOURCE_IRQ, 127 }, 128 }; 129 130 static struct platform_device sh7760_i2c0_dev = { 131 .dev = { 132 .platform_data = &i2c_pd, 133 }, 134 .name = SH7760_I2C_DEVNAME, 135 .id = 0, 136 .resource = sh7760_i2c0_res, 137 .num_resources = ARRAY_SIZE(sh7760_i2c0_res), 138 }; 139 140 /* eth initialization functions */ 141 static struct smc91x_platdata smc91x_info = { 142 .flags = SMC91X_USE_16BIT | SMC91X_IO_SHIFT_1 | IORESOURCE_IRQ_LOWLEVEL, 143 }; 144 145 static struct resource smc91x_res[] = { 146 [0] = { 147 .start = SMC_IOADDR, 148 .end = SMC_IOADDR + SZ_32 - 1, 149 .flags = IORESOURCE_MEM, 150 }, 151 [1] = { 152 .start = evt2irq(0x2a0), 153 .end = evt2irq(0x2a0), 154 .flags = IORESOURCE_IRQ , 155 } 156 }; 157 158 static struct platform_device smc91x_dev = { 159 .name = "smc91x", 160 .id = -1, 161 .num_resources = ARRAY_SIZE(smc91x_res), 162 .resource = smc91x_res, 163 164 .dev = { 165 .platform_data = &smc91x_info, 166 }, 167 }; 168 169 /* platform init code */ 170 static struct platform_device *edosk7760_devices[] __initdata = { 171 &smc91x_dev, 172 &edosk7760_nor_flash_device, 173 &sh7760_i2c0_dev, 174 &sh7760_i2c1_dev, 175 }; 176 177 static int __init init_edosk7760_devices(void) 178 { 179 plat_irq_setup_pins(IRQ_MODE_IRQ); 180 181 return platform_add_devices(edosk7760_devices, 182 ARRAY_SIZE(edosk7760_devices)); 183 } 184 device_initcall(init_edosk7760_devices); 185 186 /* 187 * The Machine Vector 188 */ 189 struct sh_machine_vector mv_edosk7760 __initmv = { 190 .mv_name = "EDOSK7760", 191 }; 192