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 |