diff options
Diffstat (limited to 'arch/arm/mach-mx3/mx31lite.c')
| -rw-r--r-- | arch/arm/mach-mx3/mx31lite.c | 175 |
1 files changed, 153 insertions, 22 deletions
diff --git a/arch/arm/mach-mx3/mx31lite.c b/arch/arm/mach-mx3/mx31lite.c index a8d57decdfdb..def6b6736594 100644 --- a/arch/arm/mach-mx3/mx31lite.c +++ b/arch/arm/mach-mx3/mx31lite.c @@ -2,6 +2,7 @@ * Copyright (C) 2000 Deep Blue Solutions Ltd * Copyright (C) 2002 Shane Nay (shane@minirl.com) * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright (C) 2009 Daniel Mack <daniel@caiaq.de> * * 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 @@ -25,38 +26,47 @@ #include <linux/platform_device.h> #include <linux/gpio.h> #include <linux/smsc911x.h> +#include <linux/mfd/mc13783.h> +#include <linux/spi/spi.h> +#include <linux/usb/otg.h> +#include <linux/usb/ulpi.h> +#include <linux/mtd/physmap.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/common.h> #include <asm/page.h> #include <asm/setup.h> + +#include <mach/hardware.h> +#include <mach/common.h> #include <mach/board-mx31lite.h> #include <mach/imx-uart.h> #include <mach/iomux-mx3.h> #include <mach/irqs.h> #include <mach/mxc_nand.h> +#include <mach/spi.h> +#include <mach/mxc_ehci.h> +#include <mach/ulpi.h> + #include "devices.h" /* - * This file contains the board-specific initialization routines. + * This file contains the module-specific initialization routines. */ static unsigned int mx31lite_pins[] = { - /* UART1 */ - MX31_PIN_CTS1__CTS1, - MX31_PIN_RTS1__RTS1, - MX31_PIN_TXD1__TXD1, - MX31_PIN_RXD1__RXD1, /* LAN9117 IRQ pin */ IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO), -}; - -static struct imxuart_platform_data uart_pdata = { - .flags = IMXUART_HAVE_RTSCTS, + /* SPI 1 */ + MX31_PIN_CSPI2_SCLK__SCLK, + MX31_PIN_CSPI2_MOSI__MOSI, + MX31_PIN_CSPI2_MISO__MISO, + MX31_PIN_CSPI2_SPI_RDY__SPI_RDY, + MX31_PIN_CSPI2_SS0__SS0, + MX31_PIN_CSPI2_SS1__SS1, + MX31_PIN_CSPI2_SS2__SS2, }; static struct mxc_nand_platform_data mx31lite_nand_board_info = { @@ -93,6 +103,111 @@ static struct platform_device smsc911x_device = { }; /* + * SPI + * + * The MC13783 is the only hard-wired SPI device on the module. + */ + +static int spi_internal_chipselect[] = { + MXC_SPI_CS(0), +}; + +static struct spi_imx_master spi1_pdata = { + .chipselect = spi_internal_chipselect, + .num_chipselect = ARRAY_SIZE(spi_internal_chipselect), +}; + +static struct mc13783_platform_data mc13783_pdata __initdata = { + .flags = MC13783_USE_RTC | + MC13783_USE_REGULATOR, +}; + +static struct spi_board_info mc13783_spi_dev __initdata = { + .modalias = "mc13783", + .max_speed_hz = 1000000, + .bus_num = 1, + .chip_select = 0, + .platform_data = &mc13783_pdata, + .irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3), +}; + +/* + * USB + */ + +#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \ + PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU) + +static int usbh2_init(struct platform_device *pdev) +{ + int pins[] = { + MX31_PIN_USBH2_DATA0__USBH2_DATA0, + MX31_PIN_USBH2_DATA1__USBH2_DATA1, + MX31_PIN_USBH2_CLK__USBH2_CLK, + MX31_PIN_USBH2_DIR__USBH2_DIR, + MX31_PIN_USBH2_NXT__USBH2_NXT, + MX31_PIN_USBH2_STP__USBH2_STP, + }; + + mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB H2"); + + mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG); + + mxc_iomux_set_gpr(MUX_PGP_UH2, true); + + /* chip select */ + mxc_iomux_alloc_pin(IOMUX_MODE(MX31_PIN_DTR_DCE1, IOMUX_CONFIG_GPIO), + "USBH2_CS"); + gpio_request(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), "USBH2 CS"); + gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), 0); + + return 0; +} + +static struct mxc_usbh_platform_data usbh2_pdata = { + .init = usbh2_init, + .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT, + .flags = MXC_EHCI_POWER_PINS_ENABLED, +}; + +/* + * NOR flash + */ + +static struct physmap_flash_data nor_flash_data = { + .width = 2, +}; + +static struct resource nor_flash_resource = { + .start = 0xa0000000, + .end = 0xa1ffffff, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device physmap_flash_device = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &nor_flash_data, + }, + .resource = &nor_flash_resource, + .num_resources = 1, +}; + + + +/* * This structure defines the MX31 memory map. */ static struct map_desc mx31lite_io_desc[] __initdata = { @@ -118,19 +233,40 @@ void __init mx31lite_map_io(void) iotable_init(mx31lite_io_desc, ARRAY_SIZE(mx31lite_io_desc)); } -/* - * Board specific initialization. - */ +static int mx31lite_baseboard; +core_param(mx31lite_baseboard, mx31lite_baseboard, int, 0444); + static void __init mxc_board_init(void) { int ret; + switch (mx31lite_baseboard) { + case MX31LITE_NOBOARD: + break; + case MX31LITE_DB: + mx31lite_db_init(); + break; + default: + printk(KERN_ERR "Illegal mx31lite_baseboard type %d\n", + mx31lite_baseboard); + } + mxc_iomux_setup_multiple_pins(mx31lite_pins, ARRAY_SIZE(mx31lite_pins), "mx31lite"); - mxc_register_device(&mxc_uart_device0, &uart_pdata); + /* NOR and NAND flash */ + platform_device_register(&physmap_flash_device); mxc_register_device(&mxc_nand_device, &mx31lite_nand_board_info); + mxc_register_device(&mxc_spi_device1, &spi1_pdata); + spi_register_board_info(&mc13783_spi_dev, 1); + + /* USB */ + usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, + USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); + + mxc_register_device(&mxc_usbh2, &usbh2_pdata); + /* SMSC9117 IRQ pin */ ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_SFS6), "sms9117-irq"); if (ret) @@ -150,12 +286,7 @@ struct sys_timer mx31lite_timer = { .init = mx31lite_timer_init, }; -/* - * The following uses standard kernel macros defined in arch.h in order to - * initialize __mach_desc_MX31LITE data structure. - */ - -MACHINE_START(MX31LITE, "LogicPD MX31 LITEKIT") +MACHINE_START(MX31LITE, "LogicPD i.MX31 SOM") /* Maintainer: Freescale Semiconductor, Inc. */ .phys_io = AIPS1_BASE_ADDR, .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, |