2 * Copyright (C) 2009 Eric Benard - eric@eukrea.com
4 * Based on pcm038.c which is :
5 * Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix
6 * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
23 #include <linux/i2c.h>
25 #include <linux/mtd/plat-ram.h>
26 #include <linux/mtd/physmap.h>
27 #include <linux/platform_device.h>
28 #include <linux/serial_8250.h>
29 #include <linux/usb/otg.h>
30 #include <linux/usb/ulpi.h>
31 #include <linux/fsl_devices.h>
33 #include <asm/mach-types.h>
34 #include <asm/mach/arch.h>
35 #include <asm/mach/time.h>
36 #include <asm/mach/map.h>
38 #include <mach/eukrea-baseboards.h>
39 #include <mach/common.h>
40 #include <mach/hardware.h>
41 #include <mach/iomux-mx27.h>
42 #include <mach/mxc_nand.h>
43 #include <mach/mxc_ehci.h>
44 #include <mach/ulpi.h>
46 #include "devices-imx27.h"
49 static const int eukrea_cpuimx27_pins[] __initconst = {
56 #if defined(MACH_EUKREA_CPUIMX27_USEUART4)
85 #if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2)
93 #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
95 GPIO_PORTB | 22 | GPIO_GPIO | GPIO_IN,
96 GPIO_PORTB | 23 | GPIO_GPIO | GPIO_IN,
97 GPIO_PORTB | 27 | GPIO_GPIO | GPIO_IN,
98 GPIO_PORTB | 30 | GPIO_GPIO | GPIO_IN,
104 PC10_PF_USBOTG_DATA2,
105 PC11_PF_USBOTG_DATA1,
106 PC12_PF_USBOTG_DATA4,
107 PC13_PF_USBOTG_DATA3,
112 PE25_PF_USBOTG_DATA7,
128 static struct physmap_flash_data eukrea_cpuimx27_flash_data = {
132 static struct resource eukrea_cpuimx27_flash_resource = {
135 .flags = IORESOURCE_MEM,
138 static struct platform_device eukrea_cpuimx27_nor_mtd_device = {
139 .name = "physmap-flash",
142 .platform_data = &eukrea_cpuimx27_flash_data,
145 .resource = &eukrea_cpuimx27_flash_resource,
148 static const struct imxuart_platform_data uart_pdata __initconst = {
149 .flags = IMXUART_HAVE_RTSCTS,
152 static const struct mxc_nand_platform_data
153 cpuimx27_nand_board_info __initconst = {
158 static struct platform_device *platform_devices[] __initdata = {
159 &eukrea_cpuimx27_nor_mtd_device,
161 &mxc_w1_master_device,
164 static const struct imxi2c_platform_data cpuimx27_i2c1_data __initconst = {
168 static struct i2c_board_info eukrea_cpuimx27_i2c_devices[] = {
170 I2C_BOARD_INFO("pcf8563", 0x51),
174 #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
175 static struct plat_serial8250_port serial_platform_data[] = {
177 .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x200000),
178 .irq = IRQ_GPIOB(23),
182 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
184 .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x400000),
185 .irq = IRQ_GPIOB(22),
189 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
191 .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x800000),
192 .irq = IRQ_GPIOB(27),
196 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
198 .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x1000000),
199 .irq = IRQ_GPIOB(30),
203 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
208 static struct platform_device serial_device = {
209 .name = "serial8250",
212 .platform_data = serial_platform_data,
217 #if defined(CONFIG_USB_ULPI)
218 static struct mxc_usbh_platform_data otg_pdata = {
219 .portsc = MXC_EHCI_MODE_ULPI,
220 .flags = MXC_EHCI_INTERFACE_DIFF_UNI,
223 static struct mxc_usbh_platform_data usbh2_pdata = {
224 .portsc = MXC_EHCI_MODE_ULPI,
225 .flags = MXC_EHCI_INTERFACE_DIFF_UNI,
229 static struct fsl_usb2_platform_data otg_device_pdata = {
230 .operating_mode = FSL_USB2_DR_DEVICE,
231 .phy_mode = FSL_USB2_PHY_ULPI,
234 static int otg_mode_host;
236 static int __init eukrea_cpuimx27_otg_mode(char *options)
238 if (!strcmp(options, "host"))
240 else if (!strcmp(options, "device"))
243 pr_info("otg_mode neither \"host\" nor \"device\". "
244 "Defaulting to device\n");
247 __setup("otg_mode=", eukrea_cpuimx27_otg_mode);
249 static void __init eukrea_cpuimx27_init(void)
251 mxc_gpio_setup_multiple_pins(eukrea_cpuimx27_pins,
252 ARRAY_SIZE(eukrea_cpuimx27_pins), "CPUIMX27");
254 imx27_add_imx_uart0(&uart_pdata);
256 imx27_add_mxc_nand(&cpuimx27_nand_board_info);
258 i2c_register_board_info(0, eukrea_cpuimx27_i2c_devices,
259 ARRAY_SIZE(eukrea_cpuimx27_i2c_devices));
261 imx27_add_imx_i2c(0, &cpuimx27_i2c1_data);
264 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
266 #if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2)
267 /* SDHC2 can be used for Wifi */
268 mxc_register_device(&mxc_sdhc_device1, NULL);
270 #if defined(MACH_EUKREA_CPUIMX27_USEUART4)
271 /* in which case UART4 is also used for Bluetooth */
272 imx27_add_imx_uart3(&uart_pdata);
275 #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
276 platform_device_register(&serial_device);
279 #if defined(CONFIG_USB_ULPI)
281 otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
282 ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT);
284 mxc_register_device(&mxc_otg_host, &otg_pdata);
287 usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
288 ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT);
290 mxc_register_device(&mxc_usbh2, &usbh2_pdata);
293 mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata);
295 #ifdef CONFIG_MACH_EUKREA_MBIMX27_BASEBOARD
296 eukrea_mbimx27_baseboard_init();
300 static void __init eukrea_cpuimx27_timer_init(void)
302 mx27_clocks_init(26000000);
305 static struct sys_timer eukrea_cpuimx27_timer = {
306 .init = eukrea_cpuimx27_timer_init,
309 MACHINE_START(CPUIMX27, "EUKREA CPUIMX27")
310 .boot_params = MX27_PHYS_OFFSET + 0x100,
311 .map_io = mx27_map_io,
312 .init_irq = mx27_init_irq,
313 .init_machine = eukrea_cpuimx27_init,
314 .timer = &eukrea_cpuimx27_timer,