diff options
Diffstat (limited to 'arch/arm/mach-imx/mach-cpuimx27.c')
| -rw-r--r-- | arch/arm/mach-imx/mach-cpuimx27.c | 317 | 
1 files changed, 317 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-cpuimx27.c b/arch/arm/mach-imx/mach-cpuimx27.c new file mode 100644 index 00000000000..575ff1ae85a --- /dev/null +++ b/arch/arm/mach-imx/mach-cpuimx27.c @@ -0,0 +1,317 @@ +/* + * 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 <linux/fsl_devices.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/mxc_nand.h> +#include <mach/mxc_ehci.h> +#include <mach/ulpi.h> + +#include "devices-imx27.h" +#include "devices.h" + +static int eukrea_cpuimx27_pins[] = { +	/* 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, +	&mxc_fec_device, +	&mxc_wdt, +	&mxc_w1_master_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 + +#if defined(CONFIG_USB_ULPI) +static struct mxc_usbh_platform_data otg_pdata = { +	.portsc	= MXC_EHCI_MODE_ULPI, +	.flags	= MXC_EHCI_INTERFACE_DIFF_UNI, +}; + +static struct mxc_usbh_platform_data usbh2_pdata = { +	.portsc	= MXC_EHCI_MODE_ULPI, +	.flags	= MXC_EHCI_INTERFACE_DIFF_UNI, +}; +#endif + +static struct fsl_usb2_platform_data otg_device_pdata = { +	.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_i2c_imx1(&cpuimx27_i2c1_data); + +	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); + +#if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2) +	/* SDHC2 can be used for Wifi */ +	mxc_register_device(&mxc_sdhc_device1, 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 defined(CONFIG_USB_ULPI) +	if (otg_mode_host) { +		otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, +				USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); + +		mxc_register_device(&mxc_otg_host, &otg_pdata); +	} + +	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); +#endif +	if (!otg_mode_host) +		mxc_register_device(&mxc_otg_udc_device, &otg_device_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") +	.phys_io        = MX27_AIPI_BASE_ADDR, +	.io_pg_offst    = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, +	.boot_params    = MX27_PHYS_OFFSET + 0x100, +	.map_io         = mx27_map_io, +	.init_irq       = mx27_init_irq, +	.init_machine   = eukrea_cpuimx27_init, +	.timer          = &eukrea_cpuimx27_timer, +MACHINE_END  |