Pileus Git - ~andy/linux/blob - arch/arm/mach-shmobile/board-kzm9g.c

   1 /*
   2  * KZM-A9-GT board support
   3  *
   4  * Copyright (C) 2012   Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; version 2 of the License.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  18  */
  19 #include <linux/gpio.h>
  20 #include <linux/io.h>
  21 #include <linux/irq.h>
  22 #include <linux/platform_device.h>
  23 #include <linux/smsc911x.h>
  24 #include <mach/irqs.h>
  25 #include <mach/sh73a0.h>
  26 #include <mach/common.h>
  27 #include <asm/hardware/cache-l2x0.h>
  28 #include <asm/hardware/gic.h>
  29 #include <asm/mach-types.h>
  30 #include <asm/mach/arch.h>
  31
  32 /* SMSC 9221 */
  33 static struct resource smsc9221_resources[] = {
  34         [0] = {
  35                 .start  = 0x10000000, /* CS4 */
  36                 .end    = 0x100000ff,
  37                 .flags  = IORESOURCE_MEM,
  38         },
  39         [1] = {
  40                 .start  = intcs_evt2irq(0x260), /* IRQ3 */
  41                 .flags  = IORESOURCE_IRQ,
  42         },
  43 };
  44
  45 static struct smsc911x_platform_config smsc9221_platdata = {
  46         .flags          = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
  47         .phy_interface  = PHY_INTERFACE_MODE_MII,
  48         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  49         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
  50 };
  51
  52 static struct platform_device smsc_device = {
  53         .name           = "smsc911x",
  54         .dev  = {
  55                 .platform_data = &smsc9221_platdata,
  56         },
  57         .resource       = smsc9221_resources,
  58         .num_resources  = ARRAY_SIZE(smsc9221_resources),
  59 };
  60
  61 static struct platform_device *kzm_devices[] __initdata = {
  62         &smsc_device,
  63 };
  64
  65 static void __init kzm_init(void)
  66 {
  67         sh73a0_pinmux_init();
  68
  69         /* enable SCIFA4 */
  70         gpio_request(GPIO_FN_SCIFA4_TXD, NULL);
  71         gpio_request(GPIO_FN_SCIFA4_RXD, NULL);
  72         gpio_request(GPIO_FN_SCIFA4_RTS_, NULL);
  73         gpio_request(GPIO_FN_SCIFA4_CTS_, NULL);
  74
  75         /* CS4 for SMSC/USB */
  76         gpio_request(GPIO_FN_CS4_, NULL); /* CS4 */
  77
  78         /* SMSC */
  79         gpio_request(GPIO_PORT224, NULL); /* IRQ3 */
  80         gpio_direction_input(GPIO_PORT224);
  81
  82 #ifdef CONFIG_CACHE_L2X0
  83         /* Early BRESP enable, Shared attribute override enable, 64K*8way */
  84         l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff);
  85 #endif
  86
  87         sh73a0_add_standard_devices();
  88         platform_add_devices(kzm_devices, ARRAY_SIZE(kzm_devices));
  89 }
  90
  91 MACHINE_START(KZM9G, "kzm9g")
  92         .map_io         = sh73a0_map_io,
  93         .init_early     = sh73a0_add_early_devices,
  94         .nr_irqs        = NR_IRQS_LEGACY,
  95         .init_irq       = sh73a0_init_irq,
  96         .handle_irq     = gic_handle_irq,
  97         .init_machine   = kzm_init,
  98         .timer          = &shmobile_timer,
  99 MACHINE_END