linux/arch/mips/mti-sead3/sead3-platform.c
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   1/*
   2 * This file is subject to the terms and conditions of the GNU General Public
   3 * License.  See the file "COPYING" in the main directory of this archive
   4 * for more details.
   5 *
   6 * Copyright (C) 2012 MIPS Technologies, Inc.  All rights reserved.
   7 */
   8#include <linux/dma-mapping.h>
   9#include <linux/init.h>
  10#include <linux/irq.h>
  11#include <linux/irqchip/mips-gic.h>
  12#include <linux/leds.h>
  13#include <linux/mtd/physmap.h>
  14#include <linux/platform_device.h>
  15#include <linux/serial_8250.h>
  16#include <linux/smsc911x.h>
  17
  18#include <asm/mips-boards/sead3int.h>
  19
  20#define UART(base)                                                      \
  21{                                                                       \
  22        .mapbase        = base,                                         \
  23        .irq            = -1,                                           \
  24        .uartclk        = 14745600,                                     \
  25        .iotype         = UPIO_MEM32,                                   \
  26        .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, \
  27        .regshift       = 2,                                            \
  28}
  29
  30static struct plat_serial8250_port uart8250_data[] = {
  31        UART(0x1f000900),   /* ttyS0 = USB   */
  32        UART(0x1f000800),   /* ttyS1 = RS232 */
  33        { },
  34};
  35
  36static struct platform_device uart8250_device = {
  37        .name                   = "serial8250",
  38        .id                     = PLAT8250_DEV_PLATFORM2,
  39        .dev                    = {
  40                .platform_data  = uart8250_data,
  41        },
  42};
  43
  44static struct smsc911x_platform_config sead3_smsc911x_data = {
  45        .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  46        .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
  47        .flags          = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
  48        .phy_interface  = PHY_INTERFACE_MODE_MII,
  49};
  50
  51static struct resource sead3_net_resources[] = {
  52        {
  53                .start                  = 0x1f010000,
  54                .end                    = 0x1f01ffff,
  55                .flags                  = IORESOURCE_MEM
  56        }, {
  57                .flags                  = IORESOURCE_IRQ
  58        }
  59};
  60
  61static struct platform_device sead3_net_device = {
  62        .name                   = "smsc911x",
  63        .id                     = 0,
  64        .dev                    = {
  65                .platform_data  = &sead3_smsc911x_data,
  66        },
  67        .num_resources          = ARRAY_SIZE(sead3_net_resources),
  68        .resource               = sead3_net_resources
  69};
  70
  71static struct mtd_partition sead3_mtd_partitions[] = {
  72        {
  73                .name =         "User FS",
  74                .offset =       0x00000000,
  75                .size =         0x01fc0000,
  76        }, {
  77                .name =         "Board Config",
  78                .offset =       0x01fc0000,
  79                .size =         0x00040000,
  80                .mask_flags =   MTD_WRITEABLE
  81        },
  82};
  83
  84static struct physmap_flash_data sead3_flash_data = {
  85        .width          = 4,
  86        .nr_parts       = ARRAY_SIZE(sead3_mtd_partitions),
  87        .parts          = sead3_mtd_partitions
  88};
  89
  90static struct resource sead3_flash_resource = {
  91        .start          = 0x1c000000,
  92        .end            = 0x1dffffff,
  93        .flags          = IORESOURCE_MEM
  94};
  95
  96static struct platform_device sead3_flash = {
  97        .name           = "physmap-flash",
  98        .id             = 0,
  99        .dev            = {
 100                .platform_data  = &sead3_flash_data,
 101        },
 102        .num_resources  = 1,
 103        .resource       = &sead3_flash_resource,
 104};
 105
 106#define LEDFLAGS(bits, shift)           \
 107        ((bits << 8) | (shift << 8))
 108
 109#define LEDBITS(id, shift, bits)        \
 110        .name = id #shift,              \
 111        .flags = LEDFLAGS(bits, shift)
 112
 113static struct led_info led_data_info[] = {
 114        { LEDBITS("bit", 0, 1) },
 115        { LEDBITS("bit", 1, 1) },
 116        { LEDBITS("bit", 2, 1) },
 117        { LEDBITS("bit", 3, 1) },
 118        { LEDBITS("bit", 4, 1) },
 119        { LEDBITS("bit", 5, 1) },
 120        { LEDBITS("bit", 6, 1) },
 121        { LEDBITS("bit", 7, 1) },
 122        { LEDBITS("all", 0, 8) },
 123};
 124
 125static struct led_platform_data led_data = {
 126        .num_leds       = ARRAY_SIZE(led_data_info),
 127        .leds           = led_data_info
 128};
 129
 130static struct resource pled_resources[] = {
 131        {
 132                .start  = 0x1f000210,
 133                .end    = 0x1f000217,
 134                .flags  = IORESOURCE_MEM
 135        }
 136};
 137
 138static struct platform_device pled_device = {
 139        .name                   = "sead3::pled",
 140        .id                     = 0,
 141        .dev                    = {
 142                .platform_data  = &led_data,
 143        },
 144        .num_resources          = ARRAY_SIZE(pled_resources),
 145        .resource               = pled_resources
 146};
 147
 148
 149static struct resource fled_resources[] = {
 150        {
 151                .start                  = 0x1f000218,
 152                .end                    = 0x1f00021f,
 153                .flags                  = IORESOURCE_MEM
 154        }
 155};
 156
 157static struct platform_device fled_device = {
 158        .name                   = "sead3::fled",
 159        .id                     = 0,
 160        .dev                    = {
 161                .platform_data  = &led_data,
 162        },
 163        .num_resources          = ARRAY_SIZE(fled_resources),
 164        .resource               = fled_resources
 165};
 166
 167static struct platform_device sead3_led_device = {
 168        .name   = "sead3-led",
 169        .id     = -1,
 170};
 171
 172static struct resource ehci_resources[] = {
 173        {
 174                .start                  = 0x1b200000,
 175                .end                    = 0x1b200fff,
 176                .flags                  = IORESOURCE_MEM
 177        }, {
 178                .flags                  = IORESOURCE_IRQ
 179        }
 180};
 181
 182static u64 sead3_usbdev_dma_mask = DMA_BIT_MASK(32);
 183
 184static struct platform_device ehci_device = {
 185        .name           = "sead3-ehci",
 186        .id             = 0,
 187        .dev            = {
 188                .dma_mask               = &sead3_usbdev_dma_mask,
 189                .coherent_dma_mask      = DMA_BIT_MASK(32)
 190        },
 191        .num_resources  = ARRAY_SIZE(ehci_resources),
 192        .resource       = ehci_resources
 193};
 194
 195static struct platform_device *sead3_platform_devices[] __initdata = {
 196        &uart8250_device,
 197        &sead3_flash,
 198        &pled_device,
 199        &fled_device,
 200        &sead3_led_device,
 201        &ehci_device,
 202        &sead3_net_device,
 203};
 204
 205static int __init sead3_platforms_device_init(void)
 206{
 207        if (gic_present) {
 208                uart8250_data[0].irq = MIPS_GIC_IRQ_BASE + GIC_INT_UART0;
 209                uart8250_data[1].irq = MIPS_GIC_IRQ_BASE + GIC_INT_UART1;
 210                ehci_resources[1].start = MIPS_GIC_IRQ_BASE + GIC_INT_EHCI;
 211                sead3_net_resources[1].start = MIPS_GIC_IRQ_BASE + GIC_INT_NET;
 212        } else {
 213                uart8250_data[0].irq = MIPS_CPU_IRQ_BASE + CPU_INT_UART0;
 214                uart8250_data[1].irq = MIPS_CPU_IRQ_BASE + CPU_INT_UART1;
 215                ehci_resources[1].start = MIPS_CPU_IRQ_BASE + CPU_INT_EHCI;
 216                sead3_net_resources[1].start = MIPS_CPU_IRQ_BASE + CPU_INT_NET;
 217        }
 218
 219        return platform_add_devices(sead3_platform_devices,
 220                                    ARRAY_SIZE(sead3_platform_devices));
 221}
 222
 223device_initcall(sead3_platforms_device_init);
 224