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 */
  32 static 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
  53 static 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
  59 static 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
  68 static 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 */
  78 static struct sh7760_i2c_platdata i2c_pd = {
  79         .speed_khz      = 400,
  80 };
  81
  82 static 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
  94 static 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
 105 static 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
 117 static 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 */
 128 static struct smc91x_platdata smc91x_info = {
 129         .flags = SMC91X_USE_16BIT | SMC91X_IO_SHIFT_1 | IORESOURCE_IRQ_LOWLEVEL,
 130 };
 131
 132 static 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
 145 static 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 */
 157 static struct platform_device *edosk7760_devices[] __initdata = {
 158         &smc91x_dev,
 159         &edosk7760_nor_flash_device,
 160         &sh7760_i2c0_dev,
 161         &sh7760_i2c1_dev,
 162 };
 163
 164 static 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 }
 171 device_initcall(init_edosk7760_devices);
 172
 173 /*
 174  * The Machine Vector
 175  */
 176 struct sh_machine_vector mv_edosk7760 __initmv = {
 177         .mv_name        = "EDOSK7760",
 178 };