arch/arm/mach-omap1/board-osk.c

   1 /*
   2  * linux/arch/arm/mach-omap1/board-osk.c
   3  *
   4  * Board specific init for OMAP5912 OSK
   5  *
   6  * Written by Dirk Behme <dirk.behme@de.bosch.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License as published by the
  10  * Free Software Foundation; either version 2 of the License, or (at your
  11  * option) any later version.
  12  *
  13  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
  14  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  15  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
  16  * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  17  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  18  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  19  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  20  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  22  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  23  *
  24  * You should have received a copy of the  GNU General Public License along
  25  * with this program; if not, write  to the Free Software Foundation, Inc.,
  26  * 675 Mass Ave, Cambridge, MA 02139, USA.
  27  */
  28
  29 #include <linux/kernel.h>
  30 #include <linux/init.h>
  31 #include <linux/device.h>
  32
  33 #include <asm/hardware.h>
  34 #include <asm/mach-types.h>
  35 #include <asm/mach/arch.h>
  36 #include <asm/mach/map.h>
  37
  38 #include <asm/arch/gpio.h>
  39 #include <asm/arch/usb.h>
  40 #include <asm/arch/mux.h>
  41 #include <asm/arch/tc.h>
  42 #include <asm/arch/common.h>
  43
  44 static struct map_desc osk5912_io_desc[] __initdata = {
  45 { OMAP_OSK_NOR_FLASH_BASE, OMAP_OSK_NOR_FLASH_START, OMAP_OSK_NOR_FLASH_SIZE,
  46         MT_DEVICE },
  47 };
  48
  49 static int __initdata osk_serial_ports[OMAP_MAX_NR_PORTS] = {1, 0, 0};
  50
  51 static struct resource osk5912_smc91x_resources[] = {
  52         [0] = {
  53                 .start  = OMAP_OSK_ETHR_START,          /* Physical */
  54                 .end    = OMAP_OSK_ETHR_START + 0xf,
  55                 .flags  = IORESOURCE_MEM,
  56         },
  57         [1] = {
  58                 .start  = OMAP_GPIO_IRQ(0),
  59                 .end    = OMAP_GPIO_IRQ(0),
  60                 .flags  = IORESOURCE_IRQ,
  61         },
  62 };
  63
  64 static struct platform_device osk5912_smc91x_device = {
  65         .name           = "smc91x",
  66         .id             = -1,
  67         .num_resources  = ARRAY_SIZE(osk5912_smc91x_resources),
  68         .resource       = osk5912_smc91x_resources,
  69 };
  70
  71 static struct resource osk5912_cf_resources[] = {
  72         [0] = {
  73                 .start  = OMAP_GPIO_IRQ(62),
  74                 .end    = OMAP_GPIO_IRQ(62),
  75                 .flags  = IORESOURCE_IRQ,
  76         },
  77 };
  78
  79 static struct platform_device osk5912_cf_device = {
  80         .name           = "omap_cf",
  81         .id             = -1,
  82         .dev = {
  83                 .platform_data  = (void *) 2 /* CS2 */,
  84         },
  85         .num_resources  = ARRAY_SIZE(osk5912_cf_resources),
  86         .resource       = osk5912_cf_resources,
  87 };
  88
  89 static struct platform_device *osk5912_devices[] __initdata = {
  90         &osk5912_smc91x_device,
  91         &osk5912_cf_device,
  92 };
  93
  94 static void __init osk_init_smc91x(void)
  95 {
  96         if ((omap_request_gpio(0)) < 0) {
  97                 printk("Error requesting gpio 0 for smc91x irq\n");
  98                 return;
  99         }
 100         omap_set_gpio_edge_ctrl(0, OMAP_GPIO_RISING_EDGE);
 101
 102         /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
 103         EMIFS_CCS(1) |= 0x2;
 104 }
 105
 106 static void __init osk_init_cf(void)
 107 {
 108         omap_cfg_reg(M7_1610_GPIO62);
 109         if ((omap_request_gpio(62)) < 0) {
 110                 printk("Error requesting gpio 62 for CF irq\n");
 111                 return;
 112         }
 113         /* it's really active-low */
 114         omap_set_gpio_edge_ctrl(62, OMAP_GPIO_FALLING_EDGE);
 115 }
 116
 117 void osk_init_irq(void)
 118 {
 119         omap_init_irq();
 120         omap_gpio_init();
 121         osk_init_smc91x();
 122         osk_init_cf();
 123 }
 124
 125 static struct omap_usb_config osk_usb_config __initdata = {
 126         /* has usb host connector (A) ... for development it can also
 127          * be used, with a NONSTANDARD gender-bending cable/dongle, as
 128          * a peripheral.
 129          */
 130 #ifdef  CONFIG_USB_GADGET_OMAP
 131         .register_dev   = 1,
 132         .hmc_mode       = 0,
 133 #else
 134         .register_host  = 1,
 135         .hmc_mode       = 16,
 136         .rwc            = 1,
 137 #endif
 138         .pins[0]        = 2,
 139 };
 140
 141 static struct omap_board_config_kernel osk_config[] = {
 142         { OMAP_TAG_USB,           &osk_usb_config },
 143 };
 144
 145 static void __init osk_init(void)
 146 {
 147         platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices));
 148         omap_board_config = osk_config;
 149         omap_board_config_size = ARRAY_SIZE(osk_config);
 150         USB_TRANSCEIVER_CTRL_REG |= (3 << 1);
 151 }
 152
 153 static void __init osk_map_io(void)
 154 {
 155         omap_map_common_io();
 156         iotable_init(osk5912_io_desc, ARRAY_SIZE(osk5912_io_desc));
 157         omap_serial_init(osk_serial_ports);
 158 }
 159
 160 MACHINE_START(OMAP_OSK, "TI-OSK")
 161         /* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
 162         .phys_ram       = 0x10000000,
 163         .phys_io        = 0xfff00000,
 164         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
 165         .boot_params    = 0x10000100,
 166         .map_io         = osk_map_io,
 167         .init_irq       = osk_init_irq,
 168         .init_machine   = osk_init,
 169         .timer          = &omap_timer,
 170 MACHINE_END