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>
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/time.h>
35 #include <asm/mach/map.h>
37 #include <mach/eukrea-baseboards.h>
38 #include <mach/common.h>
39 #include <mach/hardware.h>
40 #include <mach/iomux-mx27.h>
41 #include <mach/ulpi.h>
43 #include "devices-imx27.h"
45 static const int eukrea_cpuimx27_pins[] __initconst = {
52 #if defined(MACH_EUKREA_CPUIMX27_USEUART4)
81 #if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2)
89 #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
91 GPIO_PORTB | 22 | GPIO_GPIO | GPIO_IN,
92 GPIO_PORTB | 23 | GPIO_GPIO | GPIO_IN,
93 GPIO_PORTB | 27 | GPIO_GPIO | GPIO_IN,
94 GPIO_PORTB | 30 | GPIO_GPIO | GPIO_IN,
100 PC10_PF_USBOTG_DATA2,
101 PC11_PF_USBOTG_DATA1,
102 PC12_PF_USBOTG_DATA4,
103 PC13_PF_USBOTG_DATA3,
108 PE25_PF_USBOTG_DATA7,
124 static struct physmap_flash_data eukrea_cpuimx27_flash_data = {
128 static struct resource eukrea_cpuimx27_flash_resource = {
131 .flags = IORESOURCE_MEM,
134 static struct platform_device eukrea_cpuimx27_nor_mtd_device = {
135 .name = "physmap-flash",
138 .platform_data = &eukrea_cpuimx27_flash_data,
141 .resource = &eukrea_cpuimx27_flash_resource,
144 static const struct imxuart_platform_data uart_pdata __initconst = {
145 .flags = IMXUART_HAVE_RTSCTS,
148 static const struct mxc_nand_platform_data
149 cpuimx27_nand_board_info __initconst = {
154 static struct platform_device *platform_devices[] __initdata = {
155 &eukrea_cpuimx27_nor_mtd_device,
158 static const struct imxi2c_platform_data cpuimx27_i2c1_data __initconst = {
162 static struct i2c_board_info eukrea_cpuimx27_i2c_devices[] = {
164 I2C_BOARD_INFO("pcf8563", 0x51),
168 #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
169 static struct plat_serial8250_port serial_platform_data[] = {
171 .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x200000),
172 .irq = IRQ_GPIOB(23),
176 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
178 .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x400000),
179 .irq = IRQ_GPIOB(22),
183 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
185 .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x800000),
186 .irq = IRQ_GPIOB(27),
190 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
192 .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x1000000),
193 .irq = IRQ_GPIOB(30),
197 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
202 static struct platform_device serial_device = {
203 .name = "serial8250",
206 .platform_data = serial_platform_data,
211 static int eukrea_cpuimx27_otg_init(struct platform_device *pdev)
213 return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
216 static struct mxc_usbh_platform_data otg_pdata __initdata = {
217 .init = eukrea_cpuimx27_otg_init,
218 .portsc = MXC_EHCI_MODE_ULPI,
221 static int eukrea_cpuimx27_usbh2_init(struct platform_device *pdev)
223 return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
226 static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
227 .init = eukrea_cpuimx27_usbh2_init,
228 .portsc = MXC_EHCI_MODE_ULPI,
231 static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
232 .operating_mode = FSL_USB2_DR_DEVICE,
233 .phy_mode = FSL_USB2_PHY_ULPI,
236 static int otg_mode_host;
238 static int __init eukrea_cpuimx27_otg_mode(char *options)
240 if (!strcmp(options, "host"))
242 else if (!strcmp(options, "device"))
245 pr_info("otg_mode neither \"host\" nor \"device\". "
246 "Defaulting to device\n");
249 __setup("otg_mode=", eukrea_cpuimx27_otg_mode);
251 static void __init eukrea_cpuimx27_init(void)
255 mxc_gpio_setup_multiple_pins(eukrea_cpuimx27_pins,
256 ARRAY_SIZE(eukrea_cpuimx27_pins), "CPUIMX27");
258 imx27_add_imx_uart0(&uart_pdata);
260 imx27_add_mxc_nand(&cpuimx27_nand_board_info);
262 i2c_register_board_info(0, eukrea_cpuimx27_i2c_devices,
263 ARRAY_SIZE(eukrea_cpuimx27_i2c_devices));
265 imx27_add_imx_i2c(0, &cpuimx27_i2c1_data);
268 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
269 imx27_add_imx2_wdt(NULL);
270 imx27_add_mxc_w1(NULL);
272 #if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2)
273 /* SDHC2 can be used for Wifi */
274 imx27_add_mxc_mmc(1, NULL);
276 #if defined(MACH_EUKREA_CPUIMX27_USEUART4)
277 /* in which case UART4 is also used for Bluetooth */
278 imx27_add_imx_uart3(&uart_pdata);
281 #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
282 platform_device_register(&serial_device);
286 otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
287 ULPI_OTG_DRVVBUS_EXT);
289 imx27_add_mxc_ehci_otg(&otg_pdata);
291 imx27_add_fsl_usb2_udc(&otg_device_pdata);
294 usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
295 ULPI_OTG_DRVVBUS_EXT);
297 imx27_add_mxc_ehci_hs(2, &usbh2_pdata);
299 #ifdef CONFIG_MACH_EUKREA_MBIMX27_BASEBOARD
300 eukrea_mbimx27_baseboard_init();
304 static void __init eukrea_cpuimx27_timer_init(void)
306 mx27_clocks_init(26000000);
309 static struct sys_timer eukrea_cpuimx27_timer = {
310 .init = eukrea_cpuimx27_timer_init,
313 MACHINE_START(EUKREA_CPUIMX27, "EUKREA CPUIMX27")
314 .atag_offset = 0x100,
315 .map_io = mx27_map_io,
316 .init_early = imx27_init_early,
317 .init_irq = mx27_init_irq,
318 .timer = &eukrea_cpuimx27_timer,
319 .init_machine = eukrea_cpuimx27_init,