arch/arm/mach-shmobile/board-marzen.c

   1 /*
   2  * marzen board support
   3  *
   4  * Copyright (C) 2011  Renesas Solutions Corp.
   5  * Copyright (C) 2011  Magnus Damm
   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; version 2 of the License.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  */
  20
  21 #include <linux/kernel.h>
  22 #include <linux/init.h>
  23 #include <linux/interrupt.h>
  24 #include <linux/irq.h>
  25 #include <linux/platform_device.h>
  26 #include <linux/delay.h>
  27 #include <linux/io.h>
  28 #include <linux/gpio.h>
  29 #include <linux/dma-mapping.h>
  30 #include <linux/regulator/fixed.h>
  31 #include <linux/regulator/machine.h>
  32 #include <linux/smsc911x.h>
  33 #include <linux/mmc/sh_mobile_sdhi.h>
  34 #include <linux/mfd/tmio.h>
  35 #include <mach/hardware.h>
  36 #include <mach/r8a7779.h>
  37 #include <mach/common.h>
  38 #include <mach/irqs.h>
  39 #include <asm/mach-types.h>
  40 #include <asm/mach/arch.h>
  41 #include <asm/hardware/gic.h>
  42 #include <asm/traps.h>
  43
  44 /* Fixed 3.3V regulator to be used by SDHI0 */
  45 static struct regulator_consumer_supply fixed3v3_power_consumers[] = {
  46         REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
  47         REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
  48 };
  49
  50 /* Dummy supplies, where voltage doesn't matter */
  51 static struct regulator_consumer_supply dummy_supplies[] = {
  52         REGULATOR_SUPPLY("vddvario", "smsc911x"),
  53         REGULATOR_SUPPLY("vdd33a", "smsc911x"),
  54 };
  55
  56 /* SMSC LAN89218 */
  57 static struct resource smsc911x_resources[] = {
  58         [0] = {
  59                 .start          = 0x18000000, /* ExCS0 */
  60                 .end            = 0x180000ff, /* A1->A7 */
  61                 .flags          = IORESOURCE_MEM,
  62         },
  63         [1] = {
  64                 .start          = gic_spi(28), /* IRQ 1 */
  65                 .flags          = IORESOURCE_IRQ,
  66         },
  67 };
  68
  69 static struct smsc911x_platform_config smsc911x_platdata = {
  70         .flags          = SMSC911X_USE_32BIT, /* 32-bit SW on 16-bit HW bus */
  71         .phy_interface  = PHY_INTERFACE_MODE_MII,
  72         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  73         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
  74 };
  75
  76 static struct platform_device eth_device = {
  77         .name           = "smsc911x",
  78         .id             = -1,
  79         .dev  = {
  80                 .platform_data = &smsc911x_platdata,
  81         },
  82         .resource       = smsc911x_resources,
  83         .num_resources  = ARRAY_SIZE(smsc911x_resources),
  84 };
  85
  86 static struct resource sdhi0_resources[] = {
  87         [0] = {
  88                 .name   = "sdhi0",
  89                 .start  = 0xffe4c000,
  90                 .end    = 0xffe4c0ff,
  91                 .flags  = IORESOURCE_MEM,
  92         },
  93         [1] = {
  94                 .start  = gic_spi(104),
  95                 .flags  = IORESOURCE_IRQ,
  96         },
  97 };
  98
  99 static struct sh_mobile_sdhi_info sdhi0_platform_data = {
 100         .tmio_flags = TMIO_MMC_WRPROTECT_DISABLE | TMIO_MMC_HAS_IDLE_WAIT,
 101         .tmio_caps = MMC_CAP_SD_HIGHSPEED,
 102 };
 103
 104 static struct platform_device sdhi0_device = {
 105         .name = "sh_mobile_sdhi",
 106         .num_resources = ARRAY_SIZE(sdhi0_resources),
 107         .resource = sdhi0_resources,
 108         .id = 0,
 109         .dev = {
 110                 .platform_data = &sdhi0_platform_data,
 111         }
 112 };
 113
 114 /* Thermal */
 115 static struct resource thermal_resources[] = {
 116         [0] = {
 117                 .start          = 0xFFC48000,
 118                 .end            = 0xFFC48038 - 1,
 119                 .flags          = IORESOURCE_MEM,
 120         },
 121 };
 122
 123 static struct platform_device thermal_device = {
 124         .name           = "rcar_thermal",
 125         .resource       = thermal_resources,
 126         .num_resources  = ARRAY_SIZE(thermal_resources),
 127 };
 128
 129 static struct platform_device *marzen_devices[] __initdata = {
 130         &eth_device,
 131         &sdhi0_device,
 132         &thermal_device,
 133 };
 134
 135 static void __init marzen_init(void)
 136 {
 137         regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
 138                                 ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
 139         regulator_register_fixed(1, dummy_supplies,
 140                                 ARRAY_SIZE(dummy_supplies));
 141
 142         r8a7779_pinmux_init();
 143
 144         /* SCIF2 (CN18: DEBUG0) */
 145         gpio_request(GPIO_FN_TX2_C, NULL);
 146         gpio_request(GPIO_FN_RX2_C, NULL);
 147
 148         /* SCIF4 (CN19: DEBUG1) */
 149         gpio_request(GPIO_FN_TX4, NULL);
 150         gpio_request(GPIO_FN_RX4, NULL);
 151
 152         /* LAN89218 */
 153         gpio_request(GPIO_FN_EX_CS0, NULL); /* nCS */
 154         gpio_request(GPIO_FN_IRQ1_B, NULL); /* IRQ + PME */
 155
 156         /* SD0 (CN20) */
 157         gpio_request(GPIO_FN_SD0_CLK, NULL);
 158         gpio_request(GPIO_FN_SD0_CMD, NULL);
 159         gpio_request(GPIO_FN_SD0_DAT0, NULL);
 160         gpio_request(GPIO_FN_SD0_DAT1, NULL);
 161         gpio_request(GPIO_FN_SD0_DAT2, NULL);
 162         gpio_request(GPIO_FN_SD0_DAT3, NULL);
 163         gpio_request(GPIO_FN_SD0_CD, NULL);
 164         gpio_request(GPIO_FN_SD0_WP, NULL);
 165
 166         r8a7779_add_standard_devices();
 167         platform_add_devices(marzen_devices, ARRAY_SIZE(marzen_devices));
 168 }
 169
 170 MACHINE_START(MARZEN, "marzen")
 171         .smp            = smp_ops(r8a7779_smp_ops),
 172         .map_io         = r8a7779_map_io,
 173         .init_early     = r8a7779_add_early_devices,
 174         .nr_irqs        = NR_IRQS_LEGACY,
 175         .init_irq       = r8a7779_init_irq,
 176         .handle_irq     = gic_handle_irq,
 177         .init_machine   = marzen_init,
 178         .init_late      = shmobile_init_late,
 179         .timer          = &shmobile_timer,
 180 MACHINE_END