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- /*
- * based on code from the following
- * Copyright 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
- * Copyright 2009-2010 Pegatron Corporation. All Rights Reserved.
- * Copyright 2009-2010 Genesi USA, Inc. All Rights Reserved.
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
- */
- #include <linux/init.h>
- #include <linux/platform_device.h>
- #include <linux/i2c.h>
- #include <linux/gpio.h>
- #include <linux/leds.h>
- #include <linux/input.h>
- #include <linux/delay.h>
- #include <linux/io.h>
- #include <linux/fsl_devices.h>
- #include <linux/spi/flash.h>
- #include <linux/spi/spi.h>
- #include <mach/common.h>
- #include <mach/hardware.h>
- #include <mach/iomux-mx51.h>
- #include <mach/i2c.h>
- #include <mach/mxc_ehci.h>
- #include <linux/usb/otg.h>
- #include <linux/usb/ulpi.h>
- #include <mach/ulpi.h>
- #include <asm/irq.h>
- #include <asm/setup.h>
- #include <asm/mach-types.h>
- #include <asm/mach/arch.h>
- #include <asm/mach/time.h>
- #include "devices-imx51.h"
- #include "devices.h"
- #include "efika.h"
- #define MX51_USB_CTRL_1_OFFSET 0x10
- #define MX51_USB_CTRL_UH1_EXT_CLK_EN (1 << 25)
- #define MX51_USB_PLL_DIV_19_2_MHZ 0x01
- #define EFIKAMX_USB_HUB_RESET IMX_GPIO_NR(1, 5)
- #define EFIKAMX_USBH1_STP IMX_GPIO_NR(1, 27)
- #define EFIKAMX_SPI_CS0 IMX_GPIO_NR(4, 24)
- #define EFIKAMX_SPI_CS1 IMX_GPIO_NR(4, 25)
- static iomux_v3_cfg_t mx51efika_pads[] = {
- /* UART1 */
- MX51_PAD_UART1_RXD__UART1_RXD,
- MX51_PAD_UART1_TXD__UART1_TXD,
- MX51_PAD_UART1_RTS__UART1_RTS,
- MX51_PAD_UART1_CTS__UART1_CTS,
- /* SD 1 */
- MX51_PAD_SD1_CMD__SD1_CMD,
- MX51_PAD_SD1_CLK__SD1_CLK,
- MX51_PAD_SD1_DATA0__SD1_DATA0,
- MX51_PAD_SD1_DATA1__SD1_DATA1,
- MX51_PAD_SD1_DATA2__SD1_DATA2,
- MX51_PAD_SD1_DATA3__SD1_DATA3,
- /* SD 2 */
- MX51_PAD_SD2_CMD__SD2_CMD,
- MX51_PAD_SD2_CLK__SD2_CLK,
- MX51_PAD_SD2_DATA0__SD2_DATA0,
- MX51_PAD_SD2_DATA1__SD2_DATA1,
- MX51_PAD_SD2_DATA2__SD2_DATA2,
- MX51_PAD_SD2_DATA3__SD2_DATA3,
- /* SD/MMC WP/CD */
- MX51_PAD_GPIO1_0__SD1_CD,
- MX51_PAD_GPIO1_1__SD1_WP,
- MX51_PAD_GPIO1_7__SD2_WP,
- MX51_PAD_GPIO1_8__SD2_CD,
- /* spi */
- MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI,
- MX51_PAD_CSPI1_MISO__ECSPI1_MISO,
- MX51_PAD_CSPI1_SS0__GPIO4_24,
- MX51_PAD_CSPI1_SS1__GPIO4_25,
- MX51_PAD_CSPI1_RDY__ECSPI1_RDY,
- MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK,
- /* USB HOST1 */
- MX51_PAD_USBH1_CLK__USBH1_CLK,
- MX51_PAD_USBH1_DIR__USBH1_DIR,
- MX51_PAD_USBH1_NXT__USBH1_NXT,
- MX51_PAD_USBH1_DATA0__USBH1_DATA0,
- MX51_PAD_USBH1_DATA1__USBH1_DATA1,
- MX51_PAD_USBH1_DATA2__USBH1_DATA2,
- MX51_PAD_USBH1_DATA3__USBH1_DATA3,
- MX51_PAD_USBH1_DATA4__USBH1_DATA4,
- MX51_PAD_USBH1_DATA5__USBH1_DATA5,
- MX51_PAD_USBH1_DATA6__USBH1_DATA6,
- MX51_PAD_USBH1_DATA7__USBH1_DATA7,
- /* USB HUB RESET */
- MX51_PAD_GPIO1_5__GPIO1_5,
- /* WLAN */
- MX51_PAD_EIM_A22__GPIO2_16,
- MX51_PAD_EIM_A16__GPIO2_10,
- /* USB PHY RESET */
- MX51_PAD_EIM_D27__GPIO2_9,
- };
- /* Serial ports */
- static const struct imxuart_platform_data uart_pdata = {
- .flags = IMXUART_HAVE_RTSCTS,
- };
- /* This function is board specific as the bit mask for the plldiv will also
- * be different for other Freescale SoCs, thus a common bitmask is not
- * possible and cannot get place in /plat-mxc/ehci.c.
- */
- static int initialize_otg_port(struct platform_device *pdev)
- {
- u32 v;
- void __iomem *usb_base;
- void __iomem *usbother_base;
- usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
- if (!usb_base)
- return -ENOMEM;
- usbother_base = (void __iomem *)(usb_base + MX5_USBOTHER_REGS_OFFSET);
- /* Set the PHY clock to 19.2MHz */
- v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
- v &= ~MX5_USB_UTMI_PHYCTRL1_PLLDIV_MASK;
- v |= MX51_USB_PLL_DIV_19_2_MHZ;
- __raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
- iounmap(usb_base);
- mdelay(10);
- return mx51_initialize_usb_hw(pdev->id, MXC_EHCI_INTERNAL_PHY);
- }
- static struct mxc_usbh_platform_data dr_utmi_config = {
- .init = initialize_otg_port,
- .portsc = MXC_EHCI_UTMI_16BIT,
- };
- static int initialize_usbh1_port(struct platform_device *pdev)
- {
- iomux_v3_cfg_t usbh1stp = MX51_PAD_USBH1_STP__USBH1_STP;
- iomux_v3_cfg_t usbh1gpio = MX51_PAD_USBH1_STP__GPIO1_27;
- u32 v;
- void __iomem *usb_base;
- void __iomem *socregs_base;
- mxc_iomux_v3_setup_pad(usbh1gpio);
- gpio_request(EFIKAMX_USBH1_STP, "usbh1_stp");
- gpio_direction_output(EFIKAMX_USBH1_STP, 0);
- msleep(1);
- gpio_set_value(EFIKAMX_USBH1_STP, 1);
- msleep(1);
- usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
- socregs_base = (void __iomem *)(usb_base + MX5_USBOTHER_REGS_OFFSET);
- /* The clock for the USBH1 ULPI port will come externally */
- /* from the PHY. */
- v = __raw_readl(socregs_base + MX51_USB_CTRL_1_OFFSET);
- __raw_writel(v | MX51_USB_CTRL_UH1_EXT_CLK_EN,
- socregs_base + MX51_USB_CTRL_1_OFFSET);
- iounmap(usb_base);
- gpio_free(EFIKAMX_USBH1_STP);
- mxc_iomux_v3_setup_pad(usbh1stp);
- mdelay(10);
- return mx51_initialize_usb_hw(0, MXC_EHCI_ITC_NO_THRESHOLD);
- }
- static struct mxc_usbh_platform_data usbh1_config = {
- .init = initialize_usbh1_port,
- .portsc = MXC_EHCI_MODE_ULPI,
- };
- static void mx51_efika_hubreset(void)
- {
- gpio_request(EFIKAMX_USB_HUB_RESET, "usb_hub_rst");
- gpio_direction_output(EFIKAMX_USB_HUB_RESET, 1);
- msleep(1);
- gpio_set_value(EFIKAMX_USB_HUB_RESET, 0);
- msleep(1);
- gpio_set_value(EFIKAMX_USB_HUB_RESET, 1);
- }
- static void __init mx51_efika_usb(void)
- {
- mx51_efika_hubreset();
- /* pulling it low, means no USB at all... */
- gpio_request(EFIKA_USB_PHY_RESET, "usb_phy_reset");
- gpio_direction_output(EFIKA_USB_PHY_RESET, 0);
- msleep(1);
- gpio_set_value(EFIKA_USB_PHY_RESET, 1);
- usbh1_config.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
- ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT |
- ULPI_OTG_EXTVBUSIND);
- mxc_register_device(&mxc_usbdr_host_device, &dr_utmi_config);
- mxc_register_device(&mxc_usbh1_device, &usbh1_config);
- }
- static struct mtd_partition mx51_efika_spi_nor_partitions[] = {
- {
- .name = "u-boot",
- .offset = 0,
- .size = SZ_256K,
- },
- {
- .name = "config",
- .offset = MTDPART_OFS_APPEND,
- .size = SZ_64K,
- },
- };
- static struct flash_platform_data mx51_efika_spi_flash_data = {
- .name = "spi_flash",
- .parts = mx51_efika_spi_nor_partitions,
- .nr_parts = ARRAY_SIZE(mx51_efika_spi_nor_partitions),
- .type = "sst25vf032b",
- };
- static struct spi_board_info mx51_efika_spi_board_info[] __initdata = {
- {
- .modalias = "m25p80",
- .max_speed_hz = 25000000,
- .bus_num = 0,
- .chip_select = 1,
- .platform_data = &mx51_efika_spi_flash_data,
- .irq = -1,
- },
- };
- static int mx51_efika_spi_cs[] = {
- EFIKAMX_SPI_CS0,
- EFIKAMX_SPI_CS1,
- };
- static const struct spi_imx_master mx51_efika_spi_pdata __initconst = {
- .chipselect = mx51_efika_spi_cs,
- .num_chipselect = ARRAY_SIZE(mx51_efika_spi_cs),
- };
- void __init efika_board_common_init(void)
- {
- mxc_iomux_v3_setup_multiple_pads(mx51efika_pads,
- ARRAY_SIZE(mx51efika_pads));
- imx51_add_imx_uart(0, &uart_pdata);
- mx51_efika_usb();
- imx51_add_sdhci_esdhc_imx(0, NULL);
- spi_register_board_info(mx51_efika_spi_board_info,
- ARRAY_SIZE(mx51_efika_spi_board_info));
- imx51_add_ecspi(0, &mx51_efika_spi_pdata);
- }
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