Initial import

1 files changed, 315 insertions, 0 deletions

diff --git a/arch/arm/mach-imx/mach-mx31lilly.c b/arch/arm/mach-imx/mach-mx31lilly.c
new file mode 100644
index 000000000..e9549a3c0
--- /dev/null
+++ b/arch/arm/mach-imx/mach-mx31lilly.c
@@ -0,0 +1,315 @@
+/*
+ *  LILLY-1131 module support
+ *
+ *    Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
+ *
+ *  based on code for other MX31 boards,
+ *
+ *    Copyright 2005-2007 Freescale Semiconductor
+ *    Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
+ *    Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group
+ *
+ * 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.
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/clk.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/moduleparam.h>
+#include <linux/smsc911x.h>
+#include <linux/mtd/physmap.h>
+#include <linux/spi/spi.h>
+#include <linux/mfd/mc13783.h>
+#include <linux/usb/otg.h>
+#include <linux/usb/ulpi.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/fixed.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <asm/mach/map.h>
+
+#include "board-mx31lilly.h"
+#include "common.h"
+#include "devices-imx31.h"
+#include "ehci.h"
+#include "hardware.h"
+#include "iomux-mx3.h"
+#include "ulpi.h"
+
+/*
+ * This file contains module-specific initialization routines for LILLY-1131.
+ * Initialization of peripherals found on the baseboard is implemented in the
+ * appropriate baseboard support code.
+ */
+
+/* SMSC ethernet support */
+
+static struct resource smsc91x_resources[] = {
+	{
+		.start	= MX31_CS4_BASE_ADDR,
+		.end	= MX31_CS4_BASE_ADDR + 0xffff,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		/* irq number is run-time assigned */
+		.flags	= IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
+	}
+};
+
+static struct smsc911x_platform_config smsc911x_config = {
+	.phy_interface	= PHY_INTERFACE_MODE_MII,
+	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
+	.irq_type	= SMSC911X_IRQ_TYPE_OPEN_DRAIN,
+	.flags		= SMSC911X_USE_32BIT |
+			  SMSC911X_SAVE_MAC_ADDRESS |
+			  SMSC911X_FORCE_INTERNAL_PHY,
+};
+
+static struct platform_device smsc91x_device = {
+	.name		= "smsc911x",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(smsc91x_resources),
+	.resource	= smsc91x_resources,
+	.dev		= {
+		.platform_data = &smsc911x_config,
+	}
+};
+
+/* 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,
+};
+
+/* 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 usbh1_init(struct platform_device *pdev)
+{
+	int pins[] = {
+		MX31_PIN_CSPI1_MOSI__USBH1_RXDM,
+		MX31_PIN_CSPI1_MISO__USBH1_RXDP,
+		MX31_PIN_CSPI1_SS0__USBH1_TXDM,
+		MX31_PIN_CSPI1_SS1__USBH1_TXDP,
+		MX31_PIN_CSPI1_SS2__USBH1_RCV,
+		MX31_PIN_CSPI1_SCLK__USBH1_OEB,
+		MX31_PIN_CSPI1_SPI_RDY__USBH1_FS,
+	};
+
+	mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB H1");
+
+	mxc_iomux_set_pad(MX31_PIN_CSPI1_MOSI, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_CSPI1_MISO, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_CSPI1_SS0, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_CSPI1_SS1, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_CSPI1_SS2, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_CSPI1_SCLK, USB_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_CSPI1_SPI_RDY, USB_PAD_CFG);
+
+	mxc_iomux_set_gpr(MUX_PGP_USB_SUSPEND, true);
+
+	mdelay(10);
+
+	return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED |
+			MXC_EHCI_INTERFACE_SINGLE_UNI);
+}
+
+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);
+
+	mdelay(10);
+
+	return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
+}
+
+static const struct mxc_usbh_platform_data usbh1_pdata __initconst = {
+	.init	= usbh1_init,
+	.portsc	= MXC_EHCI_MODE_UTMI | MXC_EHCI_SERIAL,
+};
+
+static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
+	.init	= usbh2_init,
+	.portsc	= MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
+};
+
+static void __init lilly1131_usb_init(void)
+{
+	imx31_add_mxc_ehci_hs(1, &usbh1_pdata);
+
+	usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
+			ULPI_OTG_DRVVBUS_EXT);
+	if (usbh2_pdata.otg)
+		imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
+}
+
+/* SPI */
+
+static int spi_internal_chipselect[] = {
+	MXC_SPI_CS(0),
+	MXC_SPI_CS(1),
+	MXC_SPI_CS(2),
+};
+
+static const struct spi_imx_master spi0_pdata __initconst = {
+	.chipselect = spi_internal_chipselect,
+	.num_chipselect = ARRAY_SIZE(spi_internal_chipselect),
+};
+
+static const struct spi_imx_master spi1_pdata __initconst = {
+	.chipselect = spi_internal_chipselect,
+	.num_chipselect = ARRAY_SIZE(spi_internal_chipselect),
+};
+
+static struct mc13xxx_platform_data mc13783_pdata __initdata = {
+	.flags = MC13XXX_USE_RTC | MC13XXX_USE_TOUCHSCREEN,
+};
+
+static struct spi_board_info mc13783_dev __initdata = {
+	.modalias	= "mc13783",
+	.max_speed_hz	= 1000000,
+	.bus_num	= 1,
+	.chip_select	= 0,
+	.platform_data	= &mc13783_pdata,
+	/* irq number is run-time assigned */
+};
+
+static struct platform_device *devices[] __initdata = {
+	&smsc91x_device,
+	&physmap_flash_device,
+};
+
+static int mx31lilly_baseboard;
+core_param(mx31lilly_baseboard, mx31lilly_baseboard, int, 0444);
+
+static struct regulator_consumer_supply dummy_supplies[] = {
+	REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+	REGULATOR_SUPPLY("vddvario", "smsc911x"),
+};
+
+static void __init mx31lilly_board_init(void)
+{
+	imx31_soc_init();
+
+	switch (mx31lilly_baseboard) {
+	case MX31LILLY_NOBOARD:
+		break;
+	case MX31LILLY_DB:
+		mx31lilly_db_init();
+		break;
+	default:
+		printk(KERN_ERR "Illegal mx31lilly_baseboard type %d\n",
+			mx31lilly_baseboard);
+	}
+
+	mxc_iomux_alloc_pin(MX31_PIN_CS4__CS4, "Ethernet CS");
+
+	/* SPI */
+	mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SCLK__SCLK, "SPI1_CLK");
+	mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MOSI__MOSI, "SPI1_TX");
+	mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MISO__MISO, "SPI1_RX");
+	mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SPI_RDY__SPI_RDY, "SPI1_RDY");
+	mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS0__SS0, "SPI1_SS0");
+	mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS1__SS1, "SPI1_SS1");
+	mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS2__SS2, "SPI1_SS2");
+
+	mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SCLK__SCLK, "SPI2_CLK");
+	mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MOSI__MOSI, "SPI2_TX");
+	mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MISO__MISO, "SPI2_RX");
+	mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SPI_RDY__SPI_RDY, "SPI2_RDY");
+	mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS0__SS0, "SPI2_SS0");
+	mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS1__SS1, "SPI2_SS1");
+	mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS2__SS2, "SPI2_SS2");
+
+	imx31_add_spi_imx0(&spi0_pdata);
+	imx31_add_spi_imx1(&spi1_pdata);
+	mc13783_dev.irq = gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
+	spi_register_board_info(&mc13783_dev, 1);
+
+	regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
+
+	smsc91x_resources[1].start =
+			gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_0));
+	smsc91x_resources[1].end =
+			gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_0));
+	platform_add_devices(devices, ARRAY_SIZE(devices));
+
+	/* USB */
+	lilly1131_usb_init();
+}
+
+static void __init mx31lilly_timer_init(void)
+{
+	mx31_clocks_init(26000000);
+}
+
+MACHINE_START(LILLY1131, "INCO startec LILLY-1131")
+	.atag_offset = 0x100,
+	.map_io = mx31_map_io,
+	.init_early = imx31_init_early,
+	.init_irq = mx31_init_irq,
+	.init_time	= mx31lilly_timer_init,
+	.init_machine = mx31lilly_board_init,
+	.restart	= mxc_restart,
+MACHINE_END