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 <mach/hardware.h>
  34 #include <mach/r8a7779.h>
  35 #include <mach/common.h>
  36 #include <mach/irqs.h>
  37 #include <asm/mach-types.h>
  38 #include <asm/mach/arch.h>
  39 #include <asm/hardware/gic.h>
  40 #include <asm/traps.h>
  41
  42 /* Dummy supplies, where voltage doesn't matter */
  43 static struct regulator_consumer_supply dummy_supplies[] = {
  44         REGULATOR_SUPPLY("vddvario", "smsc911x"),
  45         REGULATOR_SUPPLY("vdd33a", "smsc911x"),
  46 };
  47
  48 /* SMSC LAN89218 */
  49 static struct resource smsc911x_resources[] = {
  50         [0] = {
  51                 .start          = 0x18000000, /* ExCS0 */
  52                 .end            = 0x180000ff, /* A1->A7 */
  53                 .flags          = IORESOURCE_MEM,
  54         },
  55         [1] = {
  56                 .start          = gic_spi(28), /* IRQ 1 */
  57                 .flags          = IORESOURCE_IRQ,
  58         },
  59 };
  60
  61 static struct smsc911x_platform_config smsc911x_platdata = {
  62         .flags          = SMSC911X_USE_32BIT, /* 32-bit SW on 16-bit HW bus */
  63         .phy_interface  = PHY_INTERFACE_MODE_MII,
  64         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  65         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
  66 };
  67
  68 static struct platform_device eth_device = {
  69         .name           = "smsc911x",
  70         .id             = -1,
  71         .dev  = {
  72                 .platform_data = &smsc911x_platdata,
  73         },
  74         .resource       = smsc911x_resources,
  75         .num_resources  = ARRAY_SIZE(smsc911x_resources),
  76 };
  77
  78 static struct platform_device *marzen_devices[] __initdata = {
  79         &eth_device,
  80 };
  81
  82 static void __init marzen_init(void)
  83 {
  84         regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
  85
  86         r8a7779_pinmux_init();
  87
  88         /* SCIF2 (CN18: DEBUG0) */
  89         gpio_request(GPIO_FN_TX2_C, NULL);
  90         gpio_request(GPIO_FN_RX2_C, NULL);
  91
  92         /* SCIF4 (CN19: DEBUG1) */
  93         gpio_request(GPIO_FN_TX4, NULL);
  94         gpio_request(GPIO_FN_RX4, NULL);
  95
  96         /* LAN89218 */
  97         gpio_request(GPIO_FN_EX_CS0, NULL); /* nCS */
  98         gpio_request(GPIO_FN_IRQ1_B, NULL); /* IRQ + PME */
  99
 100         r8a7779_add_standard_devices();
 101         platform_add_devices(marzen_devices, ARRAY_SIZE(marzen_devices));
 102 }
 103
 104 MACHINE_START(MARZEN, "marzen")
 105         .map_io         = r8a7779_map_io,
 106         .init_early     = r8a7779_add_early_devices,
 107         .nr_irqs        = NR_IRQS_LEGACY,
 108         .init_irq       = r8a7779_init_irq,
 109         .handle_irq     = gic_handle_irq,
 110         .init_machine   = marzen_init,
 111         .init_late      = shmobile_init_late,
 112         .timer          = &shmobile_timer,
 113 MACHINE_END