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/smsc911x.h>
 31#include <mach/hardware.h>
 32#include <mach/r8a7779.h>
 33#include <mach/common.h>
 34#include <mach/irqs.h>
 35#include <asm/mach-types.h>
 36#include <asm/mach/arch.h>
 37#include <asm/hardware/gic.h>
 38#include <asm/traps.h>
 39
 40/* SMSC LAN89218 */
 41static struct resource smsc911x_resources[] = {
 42	[0] = {
 43		.start		= 0x18000000, /* ExCS0 */
 44		.end		= 0x180000ff, /* A1->A7 */
 45		.flags		= IORESOURCE_MEM,
 46	},
 47	[1] = {
 48		.start		= gic_spi(28), /* IRQ 1 */
 49		.flags		= IORESOURCE_IRQ,
 50	},
 51};
 52
 53static struct smsc911x_platform_config smsc911x_platdata = {
 54	.flags		= SMSC911X_USE_32BIT, /* 32-bit SW on 16-bit HW bus */
 55	.phy_interface	= PHY_INTERFACE_MODE_MII,
 56	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 57	.irq_type	= SMSC911X_IRQ_TYPE_PUSH_PULL,
 58};
 59
 60static struct platform_device eth_device = {
 61	.name		= "smsc911x",
 62	.id		= 0,
 63	.dev  = {
 64		.platform_data = &smsc911x_platdata,
 65	},
 66	.resource	= smsc911x_resources,
 67	.num_resources	= ARRAY_SIZE(smsc911x_resources),
 68};
 69
 70static struct platform_device *marzen_devices[] __initdata = {
 71	&eth_device,
 72};
 73
 74static void __init marzen_init(void)
 75{
 76	r8a7779_pinmux_init();
 77
 78	/* SCIF2 (CN18: DEBUG0) */
 79	gpio_request(GPIO_FN_TX2_C, NULL);
 80	gpio_request(GPIO_FN_RX2_C, NULL);
 81
 82	/* SCIF4 (CN19: DEBUG1) */
 83	gpio_request(GPIO_FN_TX4, NULL);
 84	gpio_request(GPIO_FN_RX4, NULL);
 85
 86	/* LAN89218 */
 87	gpio_request(GPIO_FN_EX_CS0, NULL); /* nCS */
 88	gpio_request(GPIO_FN_IRQ1_B, NULL); /* IRQ + PME */
 89
 90	r8a7779_add_standard_devices();
 91	platform_add_devices(marzen_devices, ARRAY_SIZE(marzen_devices));
 92}
 93
 94MACHINE_START(MARZEN, "marzen")
 95	.map_io		= r8a7779_map_io,
 96	.init_early	= r8a7779_add_early_devices,
 97	.nr_irqs	= NR_IRQS_LEGACY,
 98	.init_irq	= r8a7779_init_irq,
 99	.handle_irq	= gic_handle_irq,
100	.init_machine	= marzen_init,
101	.init_late	= shmobile_init_late,
102	.timer		= &shmobile_timer,
103MACHINE_END