LXR linux/arch/sh/boards/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};
 179