| /* | 
 |  * Copyright (C) 2009 Eric Benard - eric@eukrea.com | 
 |  * | 
 |  * Based on pcm038.c which is : | 
 |  * Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix | 
 |  * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.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 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. | 
 |  * | 
 |  * You should have received a copy of the GNU General Public License | 
 |  * along with this program; if not, write to the Free Software | 
 |  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | 
 |  * MA 02110-1301, USA. | 
 |  */ | 
 |  | 
 | #include <linux/i2c.h> | 
 | #include <linux/io.h> | 
 | #include <linux/mtd/plat-ram.h> | 
 | #include <linux/mtd/physmap.h> | 
 | #include <linux/platform_device.h> | 
 | #include <linux/serial_8250.h> | 
 | #include <linux/usb/otg.h> | 
 | #include <linux/usb/ulpi.h> | 
 |  | 
 | #include <asm/mach-types.h> | 
 | #include <asm/mach/arch.h> | 
 | #include <asm/mach/time.h> | 
 | #include <asm/mach/map.h> | 
 |  | 
 | #include <mach/eukrea-baseboards.h> | 
 | #include <mach/common.h> | 
 | #include <mach/hardware.h> | 
 | #include <mach/iomux-mx27.h> | 
 | #include <mach/ulpi.h> | 
 |  | 
 | #include "devices-imx27.h" | 
 |  | 
 | static const int eukrea_cpuimx27_pins[] __initconst = { | 
 | 	/* UART1 */ | 
 | 	PE12_PF_UART1_TXD, | 
 | 	PE13_PF_UART1_RXD, | 
 | 	PE14_PF_UART1_CTS, | 
 | 	PE15_PF_UART1_RTS, | 
 | 	/* UART4 */ | 
 | #if defined(MACH_EUKREA_CPUIMX27_USEUART4) | 
 | 	PB26_AF_UART4_RTS, | 
 | 	PB28_AF_UART4_TXD, | 
 | 	PB29_AF_UART4_CTS, | 
 | 	PB31_AF_UART4_RXD, | 
 | #endif | 
 | 	/* FEC */ | 
 | 	PD0_AIN_FEC_TXD0, | 
 | 	PD1_AIN_FEC_TXD1, | 
 | 	PD2_AIN_FEC_TXD2, | 
 | 	PD3_AIN_FEC_TXD3, | 
 | 	PD4_AOUT_FEC_RX_ER, | 
 | 	PD5_AOUT_FEC_RXD1, | 
 | 	PD6_AOUT_FEC_RXD2, | 
 | 	PD7_AOUT_FEC_RXD3, | 
 | 	PD8_AF_FEC_MDIO, | 
 | 	PD9_AIN_FEC_MDC, | 
 | 	PD10_AOUT_FEC_CRS, | 
 | 	PD11_AOUT_FEC_TX_CLK, | 
 | 	PD12_AOUT_FEC_RXD0, | 
 | 	PD13_AOUT_FEC_RX_DV, | 
 | 	PD14_AOUT_FEC_RX_CLK, | 
 | 	PD15_AOUT_FEC_COL, | 
 | 	PD16_AIN_FEC_TX_ER, | 
 | 	PF23_AIN_FEC_TX_EN, | 
 | 	/* I2C1 */ | 
 | 	PD17_PF_I2C_DATA, | 
 | 	PD18_PF_I2C_CLK, | 
 | 	/* SDHC2 */ | 
 | #if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2) | 
 | 	PB4_PF_SD2_D0, | 
 | 	PB5_PF_SD2_D1, | 
 | 	PB6_PF_SD2_D2, | 
 | 	PB7_PF_SD2_D3, | 
 | 	PB8_PF_SD2_CMD, | 
 | 	PB9_PF_SD2_CLK, | 
 | #endif | 
 | #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE) | 
 | 	/* Quad UART's IRQ */ | 
 | 	GPIO_PORTB | 22 | GPIO_GPIO | GPIO_IN, | 
 | 	GPIO_PORTB | 23 | GPIO_GPIO | GPIO_IN, | 
 | 	GPIO_PORTB | 27 | GPIO_GPIO | GPIO_IN, | 
 | 	GPIO_PORTB | 30 | GPIO_GPIO | GPIO_IN, | 
 | #endif | 
 | 	/* OTG */ | 
 | 	PC7_PF_USBOTG_DATA5, | 
 | 	PC8_PF_USBOTG_DATA6, | 
 | 	PC9_PF_USBOTG_DATA0, | 
 | 	PC10_PF_USBOTG_DATA2, | 
 | 	PC11_PF_USBOTG_DATA1, | 
 | 	PC12_PF_USBOTG_DATA4, | 
 | 	PC13_PF_USBOTG_DATA3, | 
 | 	PE0_PF_USBOTG_NXT, | 
 | 	PE1_PF_USBOTG_STP, | 
 | 	PE2_PF_USBOTG_DIR, | 
 | 	PE24_PF_USBOTG_CLK, | 
 | 	PE25_PF_USBOTG_DATA7, | 
 | 	/* USBH2 */ | 
 | 	PA0_PF_USBH2_CLK, | 
 | 	PA1_PF_USBH2_DIR, | 
 | 	PA2_PF_USBH2_DATA7, | 
 | 	PA3_PF_USBH2_NXT, | 
 | 	PA4_PF_USBH2_STP, | 
 | 	PD19_AF_USBH2_DATA4, | 
 | 	PD20_AF_USBH2_DATA3, | 
 | 	PD21_AF_USBH2_DATA6, | 
 | 	PD22_AF_USBH2_DATA0, | 
 | 	PD23_AF_USBH2_DATA2, | 
 | 	PD24_AF_USBH2_DATA1, | 
 | 	PD26_AF_USBH2_DATA5, | 
 | }; | 
 |  | 
 | static struct physmap_flash_data eukrea_cpuimx27_flash_data = { | 
 | 	.width = 2, | 
 | }; | 
 |  | 
 | static struct resource eukrea_cpuimx27_flash_resource = { | 
 | 	.start = 0xc0000000, | 
 | 	.end   = 0xc3ffffff, | 
 | 	.flags = IORESOURCE_MEM, | 
 | }; | 
 |  | 
 | static struct platform_device eukrea_cpuimx27_nor_mtd_device = { | 
 | 	.name = "physmap-flash", | 
 | 	.id = 0, | 
 | 	.dev = { | 
 | 		.platform_data = &eukrea_cpuimx27_flash_data, | 
 | 	}, | 
 | 	.num_resources = 1, | 
 | 	.resource = &eukrea_cpuimx27_flash_resource, | 
 | }; | 
 |  | 
 | static const struct imxuart_platform_data uart_pdata __initconst = { | 
 | 	.flags = IMXUART_HAVE_RTSCTS, | 
 | }; | 
 |  | 
 | static const struct mxc_nand_platform_data | 
 | cpuimx27_nand_board_info __initconst = { | 
 | 	.width = 1, | 
 | 	.hw_ecc = 1, | 
 | }; | 
 |  | 
 | static struct platform_device *platform_devices[] __initdata = { | 
 | 	&eukrea_cpuimx27_nor_mtd_device, | 
 | }; | 
 |  | 
 | static const struct imxi2c_platform_data cpuimx27_i2c1_data __initconst = { | 
 | 	.bitrate = 100000, | 
 | }; | 
 |  | 
 | static struct i2c_board_info eukrea_cpuimx27_i2c_devices[] = { | 
 | 	{ | 
 | 		I2C_BOARD_INFO("pcf8563", 0x51), | 
 | 	}, | 
 | }; | 
 |  | 
 | #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE) | 
 | static struct plat_serial8250_port serial_platform_data[] = { | 
 | 	{ | 
 | 		.mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x200000), | 
 | 		.irq = IRQ_GPIOB(23), | 
 | 		.uartclk = 14745600, | 
 | 		.regshift = 1, | 
 | 		.iotype = UPIO_MEM, | 
 | 		.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, | 
 | 	}, { | 
 | 		.mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x400000), | 
 | 		.irq = IRQ_GPIOB(22), | 
 | 		.uartclk = 14745600, | 
 | 		.regshift = 1, | 
 | 		.iotype = UPIO_MEM, | 
 | 		.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, | 
 | 	}, { | 
 | 		.mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x800000), | 
 | 		.irq = IRQ_GPIOB(27), | 
 | 		.uartclk = 14745600, | 
 | 		.regshift = 1, | 
 | 		.iotype = UPIO_MEM, | 
 | 		.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, | 
 | 	}, { | 
 | 		.mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x1000000), | 
 | 		.irq = IRQ_GPIOB(30), | 
 | 		.uartclk = 14745600, | 
 | 		.regshift = 1, | 
 | 		.iotype = UPIO_MEM, | 
 | 		.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, | 
 | 	}, { | 
 | 	} | 
 | }; | 
 |  | 
 | static struct platform_device serial_device = { | 
 | 	.name = "serial8250", | 
 | 	.id = 0, | 
 | 	.dev = { | 
 | 		.platform_data = serial_platform_data, | 
 | 	}, | 
 | }; | 
 | #endif | 
 |  | 
 | static int eukrea_cpuimx27_otg_init(struct platform_device *pdev) | 
 | { | 
 | 	return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI); | 
 | } | 
 |  | 
 | static struct mxc_usbh_platform_data otg_pdata __initdata = { | 
 | 	.init	= eukrea_cpuimx27_otg_init, | 
 | 	.portsc	= MXC_EHCI_MODE_ULPI, | 
 | }; | 
 |  | 
 | static int eukrea_cpuimx27_usbh2_init(struct platform_device *pdev) | 
 | { | 
 | 	return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI); | 
 | } | 
 |  | 
 | static struct mxc_usbh_platform_data usbh2_pdata __initdata = { | 
 | 	.init	= eukrea_cpuimx27_usbh2_init, | 
 | 	.portsc	= MXC_EHCI_MODE_ULPI, | 
 | }; | 
 |  | 
 | static const struct fsl_usb2_platform_data otg_device_pdata __initconst = { | 
 | 	.operating_mode = FSL_USB2_DR_DEVICE, | 
 | 	.phy_mode       = FSL_USB2_PHY_ULPI, | 
 | }; | 
 |  | 
 | static int otg_mode_host; | 
 |  | 
 | static int __init eukrea_cpuimx27_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=", eukrea_cpuimx27_otg_mode); | 
 |  | 
 | static void __init eukrea_cpuimx27_init(void) | 
 | { | 
 | 	mxc_gpio_setup_multiple_pins(eukrea_cpuimx27_pins, | 
 | 		ARRAY_SIZE(eukrea_cpuimx27_pins), "CPUIMX27"); | 
 |  | 
 | 	imx27_add_imx_uart0(&uart_pdata); | 
 |  | 
 | 	imx27_add_mxc_nand(&cpuimx27_nand_board_info); | 
 |  | 
 | 	i2c_register_board_info(0, eukrea_cpuimx27_i2c_devices, | 
 | 				ARRAY_SIZE(eukrea_cpuimx27_i2c_devices)); | 
 |  | 
 | 	imx27_add_imx_i2c(0, &cpuimx27_i2c1_data); | 
 |  | 
 | 	imx27_add_fec(NULL); | 
 | 	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); | 
 | 	imx27_add_imx2_wdt(NULL); | 
 | 	imx27_add_mxc_w1(NULL); | 
 |  | 
 | #if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2) | 
 | 	/* SDHC2 can be used for Wifi */ | 
 | 	imx27_add_mxc_mmc(1, NULL); | 
 | #endif | 
 | #if defined(MACH_EUKREA_CPUIMX27_USEUART4) | 
 | 	/* in which case UART4 is also used for Bluetooth */ | 
 | 	imx27_add_imx_uart3(&uart_pdata); | 
 | #endif | 
 |  | 
 | #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE) | 
 | 	platform_device_register(&serial_device); | 
 | #endif | 
 |  | 
 | 	if (otg_mode_host) { | 
 | 		otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS | | 
 | 				ULPI_OTG_DRVVBUS_EXT); | 
 | 		if (otg_pdata.otg) | 
 | 			imx27_add_mxc_ehci_otg(&otg_pdata); | 
 | 	} else { | 
 | 		imx27_add_fsl_usb2_udc(&otg_device_pdata); | 
 | 	} | 
 |  | 
 | 	usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS | | 
 | 			ULPI_OTG_DRVVBUS_EXT); | 
 | 	if (usbh2_pdata.otg) | 
 | 		imx27_add_mxc_ehci_hs(2, &usbh2_pdata); | 
 |  | 
 | #ifdef CONFIG_MACH_EUKREA_MBIMX27_BASEBOARD | 
 | 	eukrea_mbimx27_baseboard_init(); | 
 | #endif | 
 | } | 
 |  | 
 | static void __init eukrea_cpuimx27_timer_init(void) | 
 | { | 
 | 	mx27_clocks_init(26000000); | 
 | } | 
 |  | 
 | static struct sys_timer eukrea_cpuimx27_timer = { | 
 | 	.init = eukrea_cpuimx27_timer_init, | 
 | }; | 
 |  | 
 | MACHINE_START(CPUIMX27, "EUKREA CPUIMX27") | 
 | 	.boot_params = MX27_PHYS_OFFSET + 0x100, | 
 | 	.map_io = mx27_map_io, | 
 | 	.init_early = imx27_init_early, | 
 | 	.init_irq = mx27_init_irq, | 
 | 	.timer = &eukrea_cpuimx27_timer, | 
 | 	.init_machine = eukrea_cpuimx27_init, | 
 | MACHINE_END |