170 lines
4.5 KiB
C
170 lines
4.5 KiB
C
/*
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* linux/arch/arm/mach-omap/board-osk.c
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*
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* Board specific init for OMAP5912 OSK
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*
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* Written by Dirk Behme <dirk.behme@de.bosch.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/device.h>
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#include <asm/hardware.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/arch/gpio.h>
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#include <asm/arch/usb.h>
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#include <asm/arch/mux.h>
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#include <asm/arch/tc.h>
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#include "common.h"
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static struct map_desc osk5912_io_desc[] __initdata = {
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{ OMAP_OSK_NOR_FLASH_BASE, OMAP_OSK_NOR_FLASH_START, OMAP_OSK_NOR_FLASH_SIZE,
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MT_DEVICE },
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};
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static int __initdata osk_serial_ports[OMAP_MAX_NR_PORTS] = {1, 0, 0};
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static struct resource osk5912_smc91x_resources[] = {
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[0] = {
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.start = OMAP_OSK_ETHR_START, /* Physical */
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.end = OMAP_OSK_ETHR_START + 0xf,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = OMAP_GPIO_IRQ(0),
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.end = OMAP_GPIO_IRQ(0),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device osk5912_smc91x_device = {
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.name = "smc91x",
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.id = -1,
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.num_resources = ARRAY_SIZE(osk5912_smc91x_resources),
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.resource = osk5912_smc91x_resources,
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};
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static struct resource osk5912_cf_resources[] = {
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[0] = {
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.start = OMAP_GPIO_IRQ(62),
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.end = OMAP_GPIO_IRQ(62),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device osk5912_cf_device = {
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.name = "omap_cf",
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.id = -1,
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.dev = {
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.platform_data = (void *) 2 /* CS2 */,
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},
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.num_resources = ARRAY_SIZE(osk5912_cf_resources),
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.resource = osk5912_cf_resources,
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};
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static struct platform_device *osk5912_devices[] __initdata = {
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&osk5912_smc91x_device,
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&osk5912_cf_device,
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};
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static void __init osk_init_smc91x(void)
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{
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if ((omap_request_gpio(0)) < 0) {
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printk("Error requesting gpio 0 for smc91x irq\n");
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return;
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}
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omap_set_gpio_edge_ctrl(0, OMAP_GPIO_RISING_EDGE);
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/* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
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EMIFS_CCS(1) |= 0x2;
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}
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static void __init osk_init_cf(void)
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{
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omap_cfg_reg(M7_1610_GPIO62);
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if ((omap_request_gpio(62)) < 0) {
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printk("Error requesting gpio 62 for CF irq\n");
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return;
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}
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/* it's really active-low */
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omap_set_gpio_edge_ctrl(62, OMAP_GPIO_FALLING_EDGE);
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}
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void osk_init_irq(void)
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{
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omap_init_irq();
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omap_gpio_init();
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osk_init_smc91x();
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osk_init_cf();
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}
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static struct omap_usb_config osk_usb_config __initdata = {
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/* has usb host connector (A) ... for development it can also
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* be used, with a NONSTANDARD gender-bending cable/dongle, as
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* a peripheral.
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*/
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#ifdef CONFIG_USB_GADGET_OMAP
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.register_dev = 1,
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.hmc_mode = 0,
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#else
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.register_host = 1,
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.hmc_mode = 16,
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.rwc = 1,
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#endif
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.pins[0] = 2,
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};
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static struct omap_board_config_kernel osk_config[] = {
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{ OMAP_TAG_USB, &osk_usb_config },
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};
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static void __init osk_init(void)
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{
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platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices));
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omap_board_config = osk_config;
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omap_board_config_size = ARRAY_SIZE(osk_config);
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USB_TRANSCEIVER_CTRL_REG |= (3 << 1);
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}
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static void __init osk_map_io(void)
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{
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omap_map_io();
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iotable_init(osk5912_io_desc, ARRAY_SIZE(osk5912_io_desc));
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omap_serial_init(osk_serial_ports);
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}
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MACHINE_START(OMAP_OSK, "TI-OSK")
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MAINTAINER("Dirk Behme <dirk.behme@de.bosch.com>")
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BOOT_MEM(0x10000000, 0xfff00000, 0xfef00000)
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BOOT_PARAMS(0x10000100)
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MAPIO(osk_map_io)
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INITIRQ(osk_init_irq)
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INIT_MACHINE(osk_init)
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.timer = &omap_timer,
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MACHINE_END
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