diff options
Diffstat (limited to 'arch/arm/mach-imx/mach-mx35_3ds.c')
| -rw-r--r-- | arch/arm/mach-imx/mach-mx35_3ds.c | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-mx35_3ds.c b/arch/arm/mach-imx/mach-mx35_3ds.c new file mode 100644 index 00000000000..882880ac1bb --- /dev/null +++ b/arch/arm/mach-imx/mach-mx35_3ds.c @@ -0,0 +1,224 @@ +/* + * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright (C) 2009 Marc Kleine-Budde, Pengutronix + * + * Author: Fabio Estevam <fabio.estevam@freescale.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +/* + * This machine is known as: + * - i.MX35 3-Stack Development System + * - i.MX35 Platform Development Kit (i.MX35 PDK) + */ + +#include <linux/types.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/memory.h> +#include <linux/gpio.h> +#include <linux/usb/otg.h> + +#include <linux/mtd/physmap.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> +#include <asm/mach/map.h> + +#include <mach/hardware.h> +#include <mach/common.h> +#include <mach/iomux-mx35.h> +#include <mach/irqs.h> +#include <mach/3ds_debugboard.h> + +#include "devices-imx35.h" + +#define EXPIO_PARENT_INT (MXC_INTERNAL_IRQS + GPIO_PORTA + 1) + +static const struct imxuart_platform_data uart_pdata __initconst = { + .flags = IMXUART_HAVE_RTSCTS, +}; + +static struct physmap_flash_data mx35pdk_flash_data = { + .width = 2, +}; + +static struct resource mx35pdk_flash_resource = { + .start = MX35_CS0_BASE_ADDR, + .end = MX35_CS0_BASE_ADDR + SZ_64M - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device mx35pdk_flash = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &mx35pdk_flash_data, + }, + .resource = &mx35pdk_flash_resource, + .num_resources = 1, +}; + +static const struct mxc_nand_platform_data mx35pdk_nand_board_info __initconst = { + .width = 1, + .hw_ecc = 1, + .flash_bbt = 1, +}; + +static struct platform_device *devices[] __initdata = { + &mx35pdk_flash, +}; + +static iomux_v3_cfg_t mx35pdk_pads[] = { + /* UART1 */ + MX35_PAD_CTS1__UART1_CTS, + MX35_PAD_RTS1__UART1_RTS, + MX35_PAD_TXD1__UART1_TXD_MUX, + MX35_PAD_RXD1__UART1_RXD_MUX, + /* FEC */ + MX35_PAD_FEC_TX_CLK__FEC_TX_CLK, + MX35_PAD_FEC_RX_CLK__FEC_RX_CLK, + MX35_PAD_FEC_RX_DV__FEC_RX_DV, + MX35_PAD_FEC_COL__FEC_COL, + MX35_PAD_FEC_RDATA0__FEC_RDATA_0, + MX35_PAD_FEC_TDATA0__FEC_TDATA_0, + MX35_PAD_FEC_TX_EN__FEC_TX_EN, + MX35_PAD_FEC_MDC__FEC_MDC, + MX35_PAD_FEC_MDIO__FEC_MDIO, + MX35_PAD_FEC_TX_ERR__FEC_TX_ERR, + MX35_PAD_FEC_RX_ERR__FEC_RX_ERR, + MX35_PAD_FEC_CRS__FEC_CRS, + MX35_PAD_FEC_RDATA1__FEC_RDATA_1, + MX35_PAD_FEC_TDATA1__FEC_TDATA_1, + MX35_PAD_FEC_RDATA2__FEC_RDATA_2, + MX35_PAD_FEC_TDATA2__FEC_TDATA_2, + MX35_PAD_FEC_RDATA3__FEC_RDATA_3, + MX35_PAD_FEC_TDATA3__FEC_TDATA_3, + /* USBOTG */ + MX35_PAD_USBOTG_PWR__USB_TOP_USBOTG_PWR, + MX35_PAD_USBOTG_OC__USB_TOP_USBOTG_OC, + /* USBH1 */ + MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR, + MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC, + /* SDCARD */ + MX35_PAD_SD1_CMD__ESDHC1_CMD, + MX35_PAD_SD1_CLK__ESDHC1_CLK, + MX35_PAD_SD1_DATA0__ESDHC1_DAT0, + MX35_PAD_SD1_DATA1__ESDHC1_DAT1, + MX35_PAD_SD1_DATA2__ESDHC1_DAT2, + MX35_PAD_SD1_DATA3__ESDHC1_DAT3, + /* I2C1 */ + MX35_PAD_I2C1_CLK__I2C1_SCL, + MX35_PAD_I2C1_DAT__I2C1_SDA, +}; + +static int mx35_3ds_otg_init(struct platform_device *pdev) +{ + return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERNAL_PHY); +} + +/* OTG config */ +static const struct fsl_usb2_platform_data usb_otg_pdata __initconst = { + .operating_mode = FSL_USB2_DR_DEVICE, + .phy_mode = FSL_USB2_PHY_UTMI_WIDE, + .workaround = FLS_USB2_WORKAROUND_ENGCM09152, +/* + * ENGCM09152 also requires a hardware change. + * Please check the MX35 Chip Errata document for details. + */ +}; + +static struct mxc_usbh_platform_data otg_pdata __initdata = { + .init = mx35_3ds_otg_init, + .portsc = MXC_EHCI_MODE_UTMI, +}; + +static int mx35_3ds_usbh_init(struct platform_device *pdev) +{ + return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_SINGLE_UNI | + MXC_EHCI_INTERNAL_PHY); +} + +/* USB HOST config */ +static const struct mxc_usbh_platform_data usb_host_pdata __initconst = { + .init = mx35_3ds_usbh_init, + .portsc = MXC_EHCI_MODE_SERIAL, +}; + +static int otg_mode_host; + +static int __init mx35_3ds_otg_mode(char *options) +{ + if (!strcmp(options, "host")) + otg_mode_host = 1; + else if (!strcmp(options, "device")) + otg_mode_host = 0; + else + pr_info("otg_mode neither \"host\" nor \"device\". " + "Defaulting to device\n"); + return 0; +} +__setup("otg_mode=", mx35_3ds_otg_mode); + +static const struct imxi2c_platform_data mx35_3ds_i2c0_data __initconst = { + .bitrate = 100000, +}; + +/* + * Board specific initialization. + */ +static void __init mx35_3ds_init(void) +{ + mxc_iomux_v3_setup_multiple_pads(mx35pdk_pads, ARRAY_SIZE(mx35pdk_pads)); + + imx35_add_fec(NULL); + imx35_add_imx2_wdt(NULL); + platform_add_devices(devices, ARRAY_SIZE(devices)); + + imx35_add_imx_uart0(&uart_pdata); + + if (otg_mode_host) + imx35_add_mxc_ehci_otg(&otg_pdata); + + imx35_add_mxc_ehci_hs(&usb_host_pdata); + + if (!otg_mode_host) + imx35_add_fsl_usb2_udc(&usb_otg_pdata); + + imx35_add_mxc_nand(&mx35pdk_nand_board_info); + imx35_add_sdhci_esdhc_imx(0, NULL); + + if (mxc_expio_init(MX35_CS5_BASE_ADDR, EXPIO_PARENT_INT)) + pr_warn("Init of the debugboard failed, all " + "devices on the debugboard are unusable.\n"); + imx35_add_imx_i2c0(&mx35_3ds_i2c0_data); +} + +static void __init mx35pdk_timer_init(void) +{ + mx35_clocks_init(); +} + +struct sys_timer mx35pdk_timer = { + .init = mx35pdk_timer_init, +}; + +MACHINE_START(MX35_3DS, "Freescale MX35PDK") + /* Maintainer: Freescale Semiconductor, Inc */ + .boot_params = MX3x_PHYS_OFFSET + 0x100, + .map_io = mx35_map_io, + .init_early = imx35_init_early, + .init_irq = mx35_init_irq, + .timer = &mx35pdk_timer, + .init_machine = mx35_3ds_init, +MACHINE_END |