* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#include <linux/types.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
#include <linux/init.h>
-
-#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/memory.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/partitions.h>
-#include <linux/memory.h>
+#include <linux/platform_device.h>
+#include <linux/types.h>
-#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/mach/map.h>
+#include <mach/board-mx31moboard.h>
#include <mach/common.h>
+#include <mach/hardware.h>
#include <mach/imx-uart.h>
#include <mach/iomux-mx3.h>
+#include <mach/i2c.h>
+#include <mach/mmc.h>
+#include <mach/mx31.h>
#include "devices.h"
+static unsigned int moboard_pins[] = {
+ /* UART0 */
+ MX31_PIN_CTS1__CTS1, MX31_PIN_RTS1__RTS1,
+ MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1,
+ /* UART4 */
+ MX31_PIN_PC_RST__CTS5, MX31_PIN_PC_VS2__RTS5,
+ MX31_PIN_PC_BVD2__TXD5, MX31_PIN_PC_BVD1__RXD5,
+ /* I2C0 */
+ MX31_PIN_I2C_DAT__I2C1_SDA, MX31_PIN_I2C_CLK__I2C1_SCL,
+ /* I2C1 */
+ MX31_PIN_DCD_DTE1__I2C2_SDA, MX31_PIN_RI_DTE1__I2C2_SCL,
+ /* SDHC1 */
+ MX31_PIN_SD1_DATA3__SD1_DATA3, MX31_PIN_SD1_DATA2__SD1_DATA2,
+ MX31_PIN_SD1_DATA1__SD1_DATA1, MX31_PIN_SD1_DATA0__SD1_DATA0,
+ MX31_PIN_SD1_CLK__SD1_CLK, MX31_PIN_SD1_CMD__SD1_CMD,
+ MX31_PIN_ATA_CS0__GPIO3_26, MX31_PIN_ATA_CS1__GPIO3_27,
+ /* USB reset */
+ MX31_PIN_GPIO1_0__GPIO1_0,
+};
+
static struct physmap_flash_data mx31moboard_flash_data = {
.width = 2,
};
.flags = IMXUART_HAVE_RTSCTS,
};
-static struct platform_device *devices[] __initdata = {
- &mx31moboard_flash,
+static struct imxi2c_platform_data moboard_i2c0_pdata = {
+ .bitrate = 400000,
};
-static int mxc_uart0_pins[] = {
- MX31_PIN_CTS1__CTS1,
- MX31_PIN_RTS1__RTS1,
- MX31_PIN_TXD1__TXD1,
- MX31_PIN_RXD1__RXD1
-};
-static int mxc_uart1_pins[] = {
- MX31_PIN_CTS2__CTS2,
- MX31_PIN_RTS2__RTS2,
- MX31_PIN_TXD2__TXD2,
- MX31_PIN_RXD2__RXD2
-};
-static int mxc_uart4_pins[] = {
- MX31_PIN_PC_RST__CTS5,
- MX31_PIN_PC_VS2__RTS5,
- MX31_PIN_PC_BVD2__TXD5,
- MX31_PIN_PC_BVD1__RXD5
+static struct imxi2c_platform_data moboard_i2c1_pdata = {
+ .bitrate = 100000,
};
-/*
- * Board specific initialization.
- */
-static void __init mxc_board_init(void)
+#define SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_ATA_CS0)
+#define SDHC1_WP IOMUX_TO_GPIO(MX31_PIN_ATA_CS1)
+
+static int moboard_sdhc1_get_ro(struct device *dev)
{
- platform_add_devices(devices, ARRAY_SIZE(devices));
+ return gpio_get_value(SDHC1_WP);
+}
- mxc_iomux_setup_multiple_pins(mxc_uart0_pins, ARRAY_SIZE(mxc_uart0_pins), "uart0");
- mxc_register_device(&mxc_uart_device0, &uart_pdata);
+static int moboard_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
+ void *data)
+{
+ int ret;
- mxc_iomux_setup_multiple_pins(mxc_uart1_pins, ARRAY_SIZE(mxc_uart1_pins), "uart1");
- mxc_register_device(&mxc_uart_device1, &uart_pdata);
+ ret = gpio_request(SDHC1_CD, "sdhc-detect");
+ if (ret)
+ return ret;
- mxc_iomux_setup_multiple_pins(mxc_uart4_pins, ARRAY_SIZE(mxc_uart4_pins), "uart4");
- mxc_register_device(&mxc_uart_device4, &uart_pdata);
+ gpio_direction_input(SDHC1_CD);
+
+ ret = gpio_request(SDHC1_WP, "sdhc-wp");
+ if (ret)
+ goto err_gpio_free;
+ gpio_direction_input(SDHC1_WP);
+
+ ret = request_irq(gpio_to_irq(SDHC1_CD), detect_irq,
+ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
+ "sdhc1-card-detect", data);
+ if (ret)
+ goto err_gpio_free_2;
+
+ return 0;
+
+err_gpio_free_2:
+ gpio_free(SDHC1_WP);
+err_gpio_free:
+ gpio_free(SDHC1_CD);
+
+ return ret;
+}
+
+static void moboard_sdhc1_exit(struct device *dev, void *data)
+{
+ free_irq(gpio_to_irq(SDHC1_CD), data);
+ gpio_free(SDHC1_WP);
+ gpio_free(SDHC1_CD);
}
+static struct imxmmc_platform_data sdhc1_pdata = {
+ .get_ro = moboard_sdhc1_get_ro,
+ .init = moboard_sdhc1_init,
+ .exit = moboard_sdhc1_exit,
+};
+
/*
- * This structure defines static mappings for the mx31moboard.
+ * this pin is dedicated for all mx31moboard systems, so we do it here
*/
-static struct map_desc mx31moboard_io_desc[] __initdata = {
- {
- .virtual = AIPS1_BASE_ADDR_VIRT,
- .pfn = __phys_to_pfn(AIPS1_BASE_ADDR),
- .length = AIPS1_SIZE,
- .type = MT_DEVICE_NONSHARED
- }, {
- .virtual = AIPS2_BASE_ADDR_VIRT,
- .pfn = __phys_to_pfn(AIPS2_BASE_ADDR),
- .length = AIPS2_SIZE,
- .type = MT_DEVICE_NONSHARED
- },
+#define USB_RESET_B IOMUX_TO_GPIO(MX31_PIN_GPIO1_0)
+
+static void usb_xcvr_reset(void)
+{
+ gpio_request(USB_RESET_B, "usb-reset");
+ gpio_direction_output(USB_RESET_B, 0);
+ mdelay(1);
+ gpio_set_value(USB_RESET_B, 1);
+}
+
+static struct platform_device *devices[] __initdata = {
+ &mx31moboard_flash,
};
+static int mx31moboard_baseboard;
+core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444);
+
/*
- * Set up static virtual mappings.
+ * Board specific initialization.
*/
-void __init mx31moboard_map_io(void)
+static void __init mxc_board_init(void)
{
- mxc_map_io();
- iotable_init(mx31moboard_io_desc, ARRAY_SIZE(mx31moboard_io_desc));
+ mxc_iomux_setup_multiple_pins(moboard_pins, ARRAY_SIZE(moboard_pins),
+ "moboard");
+
+ platform_add_devices(devices, ARRAY_SIZE(devices));
+
+ mxc_register_device(&mxc_uart_device0, &uart_pdata);
+ mxc_register_device(&mxc_uart_device4, &uart_pdata);
+
+ mxc_register_device(&mxc_i2c_device0, &moboard_i2c0_pdata);
+ mxc_register_device(&mxc_i2c_device1, &moboard_i2c1_pdata);
+
+ mxc_register_device(&mxcsdhc_device0, &sdhc1_pdata);
+
+ usb_xcvr_reset();
+
+ switch (mx31moboard_baseboard) {
+ case MX31NOBOARD:
+ break;
+ case MX31DEVBOARD:
+ mx31moboard_devboard_init();
+ break;
+ case MX31MARXBOT:
+ mx31moboard_marxbot_init();
+ break;
+ default:
+ printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n",
+ mx31moboard_baseboard);
+ }
}
static void __init mx31moboard_timer_init(void)
.phys_io = AIPS1_BASE_ADDR,
.io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
.boot_params = PHYS_OFFSET + 0x100,
- .map_io = mx31moboard_map_io,
- .init_irq = mxc_init_irq,
+ .map_io = mx31_map_io,
+ .init_irq = mx31_init_irq,
.init_machine = mxc_board_init,
.timer = &mx31moboard_timer,
MACHINE_END
git.openpandora.org / pandora-kernel.git / blobdiff