/* * 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 number is run-time assigned */ .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 number is run-time assigned */ .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 number is run-time assigned */ .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 number is run-time assigned */ .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 bool otg_mode_host __initdata; static int __init eukrea_cpuimx27_otg_mode(char *options) { if (!strcmp(options, "host")) otg_mode_host = true; else if (!strcmp(options, "device")) otg_mode_host = false; else pr_info("otg_mode neither \"host\" nor \"device\". " "Defaulting to device\n"); return 1; } __setup("otg_mode=", eukrea_cpuimx27_otg_mode); static void __init eukrea_cpuimx27_init(void) { imx27_soc_init(); 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(); imx27_add_mxc_w1(); #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) serial_platform_data[0].irq = IMX_GPIO_NR(2, 23); serial_platform_data[1].irq = IMX_GPIO_NR(2, 22); serial_platform_data[2].irq = IMX_GPIO_NR(2, 27); serial_platform_data[3].irq = IMX_GPIO_NR(2, 30); 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(EUKREA_CPUIMX27, "EUKREA CPUIMX27") .atag_offset = 0x100, .map_io = mx27_map_io, .init_early = imx27_init_early, .init_irq = mx27_init_irq, .handle_irq = imx27_handle_irq, .timer = &eukrea_cpuimx27_timer, .init_machine = eukrea_cpuimx27_init, .restart = mxc_restart, MACHINE_END