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Amit Kucheriab996b582010-02-02 11:57:53 -08001/*
Yong Shen64f102b2010-10-21 21:18:59 +08002 * Copyright 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
Amit Kucheriab996b582010-02-02 11:57:53 -08003 * Copyright (C) 2009-2010 Amit Kucheria <amit.kucheria@canonical.com>
4 *
5 * The code contained herein is licensed under the GNU General Public
6 * License. You may obtain a copy of the GNU General Public License
7 * Version 2 or later at the following locations:
8 *
9 * http://www.opensource.org/licenses/gpl-license.html
10 * http://www.gnu.org/copyleft/gpl.html
11 */
12
13#include <linux/init.h>
14#include <linux/platform_device.h>
Dinh Nguyenf00b7712010-05-27 10:45:05 -050015#include <linux/i2c.h>
Dinh Nguyen231637f2010-04-30 15:48:25 -050016#include <linux/gpio.h>
17#include <linux/delay.h>
18#include <linux/io.h>
Dinh Nguyenf2d36ecb2010-10-23 09:12:47 -050019#include <linux/input.h>
Fabio Estevam374daa42010-11-10 07:00:02 -080020#include <linux/spi/flash.h>
21#include <linux/spi/spi.h>
Amit Kucheriab996b582010-02-02 11:57:53 -080022
23#include <mach/common.h>
24#include <mach/hardware.h>
Amit Kucheriab996b582010-02-02 11:57:53 -080025#include <mach/iomux-mx51.h>
26
Amit Kucheriab996b582010-02-02 11:57:53 -080027#include <asm/setup.h>
28#include <asm/mach-types.h>
29#include <asm/mach/arch.h>
30#include <asm/mach/time.h>
31
Uwe Kleine-König04b73b12010-08-11 22:23:06 +020032#include "devices-imx51.h"
Yong Shen64f102b2010-10-21 21:18:59 +080033#include "cpu_op-mx51.h"
Amit Kucheriab996b582010-02-02 11:57:53 -080034
Arnaud Patard (Rtp)96886c42010-11-26 15:20:52 +010035#define BABBAGE_USB_HUB_RESET IMX_GPIO_NR(1, 7)
36#define BABBAGE_USBH1_STP IMX_GPIO_NR(1, 27)
Fabio Estevam2e7b1bf2011-05-28 10:54:35 -030037#define BABBAGE_USB_PHY_RESET IMX_GPIO_NR(2, 5)
Arnaud Patard (Rtp)96886c42010-11-26 15:20:52 +010038#define BABBAGE_FEC_PHY_RESET IMX_GPIO_NR(2, 14)
39#define BABBAGE_POWER_KEY IMX_GPIO_NR(2, 21)
40#define BABBAGE_ECSPI1_CS0 IMX_GPIO_NR(4, 24)
41#define BABBAGE_ECSPI1_CS1 IMX_GPIO_NR(4, 25)
Andre Silva6ecdc112011-06-10 13:15:20 -030042#define BABBAGE_SD2_CD IMX_GPIO_NR(1, 6)
43#define BABBAGE_SD2_WP IMX_GPIO_NR(1, 5)
Dinh Nguyen231637f2010-04-30 15:48:25 -050044
45/* USB_CTRL_1 */
46#define MX51_USB_CTRL_1_OFFSET 0x10
47#define MX51_USB_CTRL_UH1_EXT_CLK_EN (1 << 25)
48
49#define MX51_USB_PLLDIV_12_MHZ 0x00
50#define MX51_USB_PLL_DIV_19_2_MHZ 0x01
51#define MX51_USB_PLL_DIV_24_MHZ 0x02
52
Dinh Nguyenf2d36ecb2010-10-23 09:12:47 -050053static struct gpio_keys_button babbage_buttons[] = {
54 {
55 .gpio = BABBAGE_POWER_KEY,
56 .code = BTN_0,
57 .desc = "PWR",
58 .active_low = 1,
59 .wakeup = 1,
60 },
61};
62
63static const struct gpio_keys_platform_data imx_button_data __initconst = {
64 .buttons = babbage_buttons,
65 .nbuttons = ARRAY_SIZE(babbage_buttons),
66};
67
Lothar Waßmann8f5260c2010-10-26 14:28:31 +020068static iomux_v3_cfg_t mx51babbage_pads[] = {
Amit Kucheriab996b582010-02-02 11:57:53 -080069 /* UART1 */
70 MX51_PAD_UART1_RXD__UART1_RXD,
71 MX51_PAD_UART1_TXD__UART1_TXD,
72 MX51_PAD_UART1_RTS__UART1_RTS,
73 MX51_PAD_UART1_CTS__UART1_CTS,
74
75 /* UART2 */
76 MX51_PAD_UART2_RXD__UART2_RXD,
77 MX51_PAD_UART2_TXD__UART2_TXD,
78
79 /* UART3 */
80 MX51_PAD_EIM_D25__UART3_RXD,
81 MX51_PAD_EIM_D26__UART3_TXD,
82 MX51_PAD_EIM_D27__UART3_RTS,
83 MX51_PAD_EIM_D24__UART3_CTS,
Dinh Nguyen231637f2010-04-30 15:48:25 -050084
Dinh Nguyenf00b7712010-05-27 10:45:05 -050085 /* I2C1 */
86 MX51_PAD_EIM_D16__I2C1_SDA,
87 MX51_PAD_EIM_D19__I2C1_SCL,
88
89 /* I2C2 */
90 MX51_PAD_KEY_COL4__I2C2_SCL,
91 MX51_PAD_KEY_COL5__I2C2_SDA,
92
93 /* HSI2C */
Sascha Haueree1ae4d2010-12-15 09:56:35 +010094 MX51_PAD_I2C1_CLK__I2C1_CLK,
95 MX51_PAD_I2C1_DAT__I2C1_DAT,
Dinh Nguyenf00b7712010-05-27 10:45:05 -050096
Dinh Nguyen231637f2010-04-30 15:48:25 -050097 /* USB HOST1 */
98 MX51_PAD_USBH1_CLK__USBH1_CLK,
99 MX51_PAD_USBH1_DIR__USBH1_DIR,
100 MX51_PAD_USBH1_NXT__USBH1_NXT,
101 MX51_PAD_USBH1_DATA0__USBH1_DATA0,
102 MX51_PAD_USBH1_DATA1__USBH1_DATA1,
103 MX51_PAD_USBH1_DATA2__USBH1_DATA2,
104 MX51_PAD_USBH1_DATA3__USBH1_DATA3,
105 MX51_PAD_USBH1_DATA4__USBH1_DATA4,
106 MX51_PAD_USBH1_DATA5__USBH1_DATA5,
107 MX51_PAD_USBH1_DATA6__USBH1_DATA6,
108 MX51_PAD_USBH1_DATA7__USBH1_DATA7,
109
110 /* USB HUB reset line*/
Sascha Haueree1ae4d2010-12-15 09:56:35 +0100111 MX51_PAD_GPIO1_7__GPIO1_7,
Fabio Estevam3efee472010-08-23 07:32:09 -0700112
Fabio Estevam2e7b1bf2011-05-28 10:54:35 -0300113 /* USB PHY reset line */
114 MX51_PAD_EIM_D21__GPIO2_5,
115
Fabio Estevam3efee472010-08-23 07:32:09 -0700116 /* FEC */
117 MX51_PAD_EIM_EB2__FEC_MDIO,
Sascha Haueree1ae4d2010-12-15 09:56:35 +0100118 MX51_PAD_EIM_EB3__FEC_RDATA1,
119 MX51_PAD_EIM_CS2__FEC_RDATA2,
120 MX51_PAD_EIM_CS3__FEC_RDATA3,
Fabio Estevam3efee472010-08-23 07:32:09 -0700121 MX51_PAD_EIM_CS4__FEC_RX_ER,
122 MX51_PAD_EIM_CS5__FEC_CRS,
123 MX51_PAD_NANDF_RB2__FEC_COL,
Sascha Haueree1ae4d2010-12-15 09:56:35 +0100124 MX51_PAD_NANDF_RB3__FEC_RX_CLK,
125 MX51_PAD_NANDF_D9__FEC_RDATA0,
126 MX51_PAD_NANDF_D8__FEC_TDATA0,
Fabio Estevam3efee472010-08-23 07:32:09 -0700127 MX51_PAD_NANDF_CS2__FEC_TX_ER,
128 MX51_PAD_NANDF_CS3__FEC_MDC,
Sascha Haueree1ae4d2010-12-15 09:56:35 +0100129 MX51_PAD_NANDF_CS4__FEC_TDATA1,
130 MX51_PAD_NANDF_CS5__FEC_TDATA2,
131 MX51_PAD_NANDF_CS6__FEC_TDATA3,
Fabio Estevam3efee472010-08-23 07:32:09 -0700132 MX51_PAD_NANDF_CS7__FEC_TX_EN,
133 MX51_PAD_NANDF_RDY_INT__FEC_TX_CLK,
134
135 /* FEC PHY reset line */
Sascha Haueree1ae4d2010-12-15 09:56:35 +0100136 MX51_PAD_EIM_A20__GPIO2_14,
Shawn Guo72230662010-10-22 00:55:20 +0800137
138 /* SD 1 */
139 MX51_PAD_SD1_CMD__SD1_CMD,
140 MX51_PAD_SD1_CLK__SD1_CLK,
141 MX51_PAD_SD1_DATA0__SD1_DATA0,
142 MX51_PAD_SD1_DATA1__SD1_DATA1,
143 MX51_PAD_SD1_DATA2__SD1_DATA2,
144 MX51_PAD_SD1_DATA3__SD1_DATA3,
Shawn Guo913413c2011-06-21 22:41:51 +0800145 /* CD/WP from controller */
146 MX51_PAD_GPIO1_0__SD1_CD,
147 MX51_PAD_GPIO1_1__SD1_WP,
Shawn Guo72230662010-10-22 00:55:20 +0800148
149 /* SD 2 */
150 MX51_PAD_SD2_CMD__SD2_CMD,
151 MX51_PAD_SD2_CLK__SD2_CLK,
152 MX51_PAD_SD2_DATA0__SD2_DATA0,
153 MX51_PAD_SD2_DATA1__SD2_DATA1,
154 MX51_PAD_SD2_DATA2__SD2_DATA2,
155 MX51_PAD_SD2_DATA3__SD2_DATA3,
Shawn Guo913413c2011-06-21 22:41:51 +0800156 /* CD/WP gpio */
Andre Silva6ecdc112011-06-10 13:15:20 -0300157 MX51_PAD_GPIO1_6__GPIO1_6,
158 MX51_PAD_GPIO1_5__GPIO1_5,
Fabio Estevam374daa42010-11-10 07:00:02 -0800159
160 /* eCSPI1 */
161 MX51_PAD_CSPI1_MISO__ECSPI1_MISO,
162 MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI,
163 MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK,
Sascha Haueree1ae4d2010-12-15 09:56:35 +0100164 MX51_PAD_CSPI1_SS0__GPIO4_24,
165 MX51_PAD_CSPI1_SS1__GPIO4_25,
Amit Kucheriab996b582010-02-02 11:57:53 -0800166};
167
168/* Serial ports */
Uwe Kleine-König04b73b12010-08-11 22:23:06 +0200169static const struct imxuart_platform_data uart_pdata __initconst = {
Amit Kucheriab996b582010-02-02 11:57:53 -0800170 .flags = IMXUART_HAVE_RTSCTS,
171};
172
Uwe Kleine-König44505c02010-09-30 16:44:53 +0200173static const struct imxi2c_platform_data babbage_i2c_data __initconst = {
Dinh Nguyenf00b7712010-05-27 10:45:05 -0500174 .bitrate = 100000,
175};
176
Uwe Kleine-Königf2688852011-08-01 09:07:54 +0200177static const struct imxi2c_platform_data babbage_hsi2c_data __initconst = {
Dinh Nguyenf00b7712010-05-27 10:45:05 -0500178 .bitrate = 400000,
179};
180
Fabio Estevam72370a52011-05-28 10:54:36 -0300181static struct gpio mx51_babbage_usbh1_gpios[] = {
182 { BABBAGE_USBH1_STP, GPIOF_OUT_INIT_LOW, "usbh1_stp" },
183 { BABBAGE_USB_PHY_RESET, GPIOF_OUT_INIT_LOW, "usbh1_phy_reset" },
184};
185
Dinh Nguyen231637f2010-04-30 15:48:25 -0500186static int gpio_usbh1_active(void)
187{
Sascha Haueree1ae4d2010-12-15 09:56:35 +0100188 iomux_v3_cfg_t usbh1stp_gpio = MX51_PAD_USBH1_STP__GPIO1_27;
Dinh Nguyen231637f2010-04-30 15:48:25 -0500189 int ret;
190
191 /* Set USBH1_STP to GPIO and toggle it */
Lothar Waßmann96f3e252010-11-22 09:39:51 +0100192 mxc_iomux_v3_setup_pad(usbh1stp_gpio);
Fabio Estevam72370a52011-05-28 10:54:36 -0300193 ret = gpio_request_array(mx51_babbage_usbh1_gpios,
194 ARRAY_SIZE(mx51_babbage_usbh1_gpios));
Dinh Nguyen231637f2010-04-30 15:48:25 -0500195
196 if (ret) {
Fabio Estevam72370a52011-05-28 10:54:36 -0300197 pr_debug("failed to get USBH1 pins: %d\n", ret);
Dinh Nguyen231637f2010-04-30 15:48:25 -0500198 return ret;
199 }
Fabio Estevam72370a52011-05-28 10:54:36 -0300200
Dinh Nguyen231637f2010-04-30 15:48:25 -0500201 msleep(100);
Fabio Estevam72370a52011-05-28 10:54:36 -0300202 gpio_set_value(BABBAGE_USBH1_STP, 1);
203 gpio_set_value(BABBAGE_USB_PHY_RESET, 1);
204 gpio_free_array(mx51_babbage_usbh1_gpios,
205 ARRAY_SIZE(mx51_babbage_usbh1_gpios));
Dinh Nguyen231637f2010-04-30 15:48:25 -0500206 return 0;
207}
208
209static inline void babbage_usbhub_reset(void)
210{
211 int ret;
212
Fabio Estevam6f9ec442011-03-17 12:55:57 -0300213 /* Reset USB hub */
214 ret = gpio_request_one(BABBAGE_USB_HUB_RESET,
215 GPIOF_OUT_INIT_LOW, "GPIO1_7");
Dinh Nguyen231637f2010-04-30 15:48:25 -0500216 if (ret) {
217 printk(KERN_ERR"failed to get GPIO_USB_HUB_RESET: %d\n", ret);
218 return;
219 }
Dinh Nguyen231637f2010-04-30 15:48:25 -0500220
Fabio Estevam6f9ec442011-03-17 12:55:57 -0300221 msleep(2);
222 /* Deassert reset */
Dinh Nguyen231637f2010-04-30 15:48:25 -0500223 gpio_set_value(BABBAGE_USB_HUB_RESET, 1);
224}
225
Fabio Estevam3efee472010-08-23 07:32:09 -0700226static inline void babbage_fec_reset(void)
227{
228 int ret;
229
230 /* reset FEC PHY */
Fabio Estevamce191e42011-03-16 22:52:31 -0300231 ret = gpio_request_one(BABBAGE_FEC_PHY_RESET,
232 GPIOF_OUT_INIT_LOW, "fec-phy-reset");
Fabio Estevam3efee472010-08-23 07:32:09 -0700233 if (ret) {
234 printk(KERN_ERR"failed to get GPIO_FEC_PHY_RESET: %d\n", ret);
235 return;
236 }
Fabio Estevam3efee472010-08-23 07:32:09 -0700237 msleep(1);
238 gpio_set_value(BABBAGE_FEC_PHY_RESET, 1);
239}
240
Dinh Nguyen231637f2010-04-30 15:48:25 -0500241/* This function is board specific as the bit mask for the plldiv will also
242be different for other Freescale SoCs, thus a common bitmask is not
243possible and cannot get place in /plat-mxc/ehci.c.*/
244static int initialize_otg_port(struct platform_device *pdev)
245{
246 u32 v;
247 void __iomem *usb_base;
Sascha Hauere7a895b2010-08-19 11:37:31 +0200248 void __iomem *usbother_base;
Dinh Nguyen231637f2010-04-30 15:48:25 -0500249
Uwe Kleine-König7d92e8e2011-07-30 23:41:49 +0200250 usb_base = ioremap(MX51_USB_OTG_BASE_ADDR, SZ_4K);
Fabio Estevam28a4f902010-12-13 10:47:05 -0200251 if (!usb_base)
252 return -ENOMEM;
Dinh Nguyen231637f2010-04-30 15:48:25 -0500253 usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET;
254
255 /* Set the PHY clock to 19.2MHz */
256 v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
257 v &= ~MX5_USB_UTMI_PHYCTRL1_PLLDIV_MASK;
258 v |= MX51_USB_PLL_DIV_19_2_MHZ;
259 __raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
260 iounmap(usb_base);
Sascha Hauer4bd597b2011-01-03 11:30:28 +0100261
262 mdelay(10);
263
264 return mx51_initialize_usb_hw(0, MXC_EHCI_INTERNAL_PHY);
Dinh Nguyen231637f2010-04-30 15:48:25 -0500265}
266
267static int initialize_usbh1_port(struct platform_device *pdev)
268{
269 u32 v;
270 void __iomem *usb_base;
Sascha Hauere7a895b2010-08-19 11:37:31 +0200271 void __iomem *usbother_base;
Dinh Nguyen231637f2010-04-30 15:48:25 -0500272
Uwe Kleine-König7d92e8e2011-07-30 23:41:49 +0200273 usb_base = ioremap(MX51_USB_OTG_BASE_ADDR, SZ_4K);
Fabio Estevam28a4f902010-12-13 10:47:05 -0200274 if (!usb_base)
275 return -ENOMEM;
Dinh Nguyen231637f2010-04-30 15:48:25 -0500276 usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET;
277
278 /* The clock for the USBH1 ULPI port will come externally from the PHY. */
279 v = __raw_readl(usbother_base + MX51_USB_CTRL_1_OFFSET);
280 __raw_writel(v | MX51_USB_CTRL_UH1_EXT_CLK_EN, usbother_base + MX51_USB_CTRL_1_OFFSET);
281 iounmap(usb_base);
Sascha Hauer4bd597b2011-01-03 11:30:28 +0100282
283 mdelay(10);
284
285 return mx51_initialize_usb_hw(1, MXC_EHCI_POWER_PINS_ENABLED |
286 MXC_EHCI_ITC_NO_THRESHOLD);
Dinh Nguyen231637f2010-04-30 15:48:25 -0500287}
288
Uwe Kleine-König7d92e8e2011-07-30 23:41:49 +0200289static const struct mxc_usbh_platform_data dr_utmi_config __initconst = {
Dinh Nguyen231637f2010-04-30 15:48:25 -0500290 .init = initialize_otg_port,
291 .portsc = MXC_EHCI_UTMI_16BIT,
Dinh Nguyen231637f2010-04-30 15:48:25 -0500292};
293
Uwe Kleine-König6cafe482011-07-30 23:57:25 +0200294static const struct fsl_usb2_platform_data usb_pdata __initconst = {
Dinh Nguyen2ba5a2c2010-05-10 13:45:59 -0500295 .operating_mode = FSL_USB2_DR_DEVICE,
296 .phy_mode = FSL_USB2_PHY_UTMI_WIDE,
297};
298
Uwe Kleine-König7d92e8e2011-07-30 23:41:49 +0200299static const struct mxc_usbh_platform_data usbh1_config __initconst = {
Dinh Nguyen231637f2010-04-30 15:48:25 -0500300 .init = initialize_usbh1_port,
301 .portsc = MXC_EHCI_MODE_ULPI,
Dinh Nguyen231637f2010-04-30 15:48:25 -0500302};
303
Dinh Nguyen2ba5a2c2010-05-10 13:45:59 -0500304static int otg_mode_host;
305
306static int __init babbage_otg_mode(char *options)
307{
308 if (!strcmp(options, "host"))
309 otg_mode_host = 1;
310 else if (!strcmp(options, "device"))
311 otg_mode_host = 0;
312 else
313 pr_info("otg_mode neither \"host\" nor \"device\". "
314 "Defaulting to device\n");
315 return 0;
316}
317__setup("otg_mode=", babbage_otg_mode);
318
Fabio Estevam374daa42010-11-10 07:00:02 -0800319static struct spi_board_info mx51_babbage_spi_board_info[] __initdata = {
320 {
321 .modalias = "mtd_dataflash",
322 .max_speed_hz = 25000000,
323 .bus_num = 0,
324 .chip_select = 1,
325 .mode = SPI_MODE_0,
326 .platform_data = NULL,
327 },
328};
329
330static int mx51_babbage_spi_cs[] = {
331 BABBAGE_ECSPI1_CS0,
332 BABBAGE_ECSPI1_CS1,
333};
334
335static const struct spi_imx_master mx51_babbage_spi_pdata __initconst = {
336 .chipselect = mx51_babbage_spi_cs,
337 .num_chipselect = ARRAY_SIZE(mx51_babbage_spi_cs),
338};
339
Andre Silva6ecdc112011-06-10 13:15:20 -0300340static const struct esdhc_platform_data mx51_babbage_sd1_data __initconst = {
Shawn Guo913413c2011-06-21 22:41:51 +0800341 .cd_type = ESDHC_CD_CONTROLLER,
342 .wp_type = ESDHC_WP_CONTROLLER,
Andre Silva6ecdc112011-06-10 13:15:20 -0300343};
344
345static const struct esdhc_platform_data mx51_babbage_sd2_data __initconst = {
346 .cd_gpio = BABBAGE_SD2_CD,
347 .wp_gpio = BABBAGE_SD2_WP,
Shawn Guo913413c2011-06-21 22:41:51 +0800348 .cd_type = ESDHC_CD_GPIO,
349 .wp_type = ESDHC_WP_GPIO,
Andre Silva6ecdc112011-06-10 13:15:20 -0300350};
351
Shawn Guo9daaf312011-10-17 08:42:17 +0800352void __init imx51_babbage_common_init(void)
353{
354 mxc_iomux_v3_setup_multiple_pads(mx51babbage_pads,
355 ARRAY_SIZE(mx51babbage_pads));
356}
357
Amit Kucheriab996b582010-02-02 11:57:53 -0800358/*
359 * Board specific initialization.
360 */
Uwe Kleine-Könige134fb22011-02-11 10:23:19 +0100361static void __init mx51_babbage_init(void)
Amit Kucheriab996b582010-02-02 11:57:53 -0800362{
Lothar Waßmann8f5260c2010-10-26 14:28:31 +0200363 iomux_v3_cfg_t usbh1stp = MX51_PAD_USBH1_STP__USBH1_STP;
Troy Kisky7242e242011-08-13 12:51:41 -0700364 iomux_v3_cfg_t power_key = NEW_PAD_CTRL(MX51_PAD_EIM_A27__GPIO2_21,
Shawn Guo847a2ee2011-12-05 10:28:11 +0800365 PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH);
Dinh Nguyen231637f2010-04-30 15:48:25 -0500366
Shawn Guob78d8e52011-06-06 00:07:55 +0800367 imx51_soc_init();
368
Yong Shen64f102b2010-10-21 21:18:59 +0800369#if defined(CONFIG_CPU_FREQ_IMX)
370 get_cpu_op = mx51_get_cpu_op;
371#endif
Shawn Guo9daaf312011-10-17 08:42:17 +0800372 imx51_babbage_common_init();
Sascha Hauer27d2d622011-01-14 11:30:33 +0100373
374 imx51_add_imx_uart(0, &uart_pdata);
Fabio Estevam1c4b45d2011-07-25 17:46:31 -0300375 imx51_add_imx_uart(1, NULL);
Sascha Hauer27d2d622011-01-14 11:30:33 +0100376 imx51_add_imx_uart(2, &uart_pdata);
377
Fabio Estevam3efee472010-08-23 07:32:09 -0700378 babbage_fec_reset();
Uwe Kleine-König6bd96f32010-10-06 12:00:18 +0200379 imx51_add_fec(NULL);
Dinh Nguyen231637f2010-04-30 15:48:25 -0500380
Dinh Nguyenf2d36ecb2010-10-23 09:12:47 -0500381 /* Set the PAD settings for the pwr key. */
Lothar Waßmann96f3e252010-11-22 09:39:51 +0100382 mxc_iomux_v3_setup_pad(power_key);
Fabio Estevamba8a6c042011-04-06 13:05:26 -0300383 imx_add_gpio_keys(&imx_button_data);
Dinh Nguyenf2d36ecb2010-10-23 09:12:47 -0500384
Uwe Kleine-König44505c02010-09-30 16:44:53 +0200385 imx51_add_imx_i2c(0, &babbage_i2c_data);
386 imx51_add_imx_i2c(1, &babbage_i2c_data);
Uwe Kleine-Königf2688852011-08-01 09:07:54 +0200387 imx51_add_hsi2c(&babbage_hsi2c_data);
Dinh Nguyenf00b7712010-05-27 10:45:05 -0500388
Dinh Nguyen2ba5a2c2010-05-10 13:45:59 -0500389 if (otg_mode_host)
Uwe Kleine-König7d92e8e2011-07-30 23:41:49 +0200390 imx51_add_mxc_ehci_otg(&dr_utmi_config);
Dinh Nguyen2ba5a2c2010-05-10 13:45:59 -0500391 else {
392 initialize_otg_port(NULL);
Uwe Kleine-König6cafe482011-07-30 23:57:25 +0200393 imx51_add_fsl_usb2_udc(&usb_pdata);
Dinh Nguyen2ba5a2c2010-05-10 13:45:59 -0500394 }
Dinh Nguyen231637f2010-04-30 15:48:25 -0500395
396 gpio_usbh1_active();
Uwe Kleine-König7d92e8e2011-07-30 23:41:49 +0200397 imx51_add_mxc_ehci_hs(1, &usbh1_config);
Dinh Nguyen231637f2010-04-30 15:48:25 -0500398 /* setback USBH1_STP to be function */
Lothar Waßmann96f3e252010-11-22 09:39:51 +0100399 mxc_iomux_v3_setup_pad(usbh1stp);
Dinh Nguyen231637f2010-04-30 15:48:25 -0500400 babbage_usbhub_reset();
Shawn Guo72230662010-10-22 00:55:20 +0800401
Andre Silva6ecdc112011-06-10 13:15:20 -0300402 imx51_add_sdhci_esdhc_imx(0, &mx51_babbage_sd1_data);
403 imx51_add_sdhci_esdhc_imx(1, &mx51_babbage_sd2_data);
Fabio Estevam374daa42010-11-10 07:00:02 -0800404
405 spi_register_board_info(mx51_babbage_spi_board_info,
406 ARRAY_SIZE(mx51_babbage_spi_board_info));
407 imx51_add_ecspi(0, &mx51_babbage_spi_pdata);
Fabio Estevama96efbc2010-12-06 16:38:34 -0200408 imx51_add_imx2_wdt(0, NULL);
Amit Kucheriab996b582010-02-02 11:57:53 -0800409}
410
411static void __init mx51_babbage_timer_init(void)
412{
Fabio Estevam82d52a12010-02-17 12:02:56 -0800413 mx51_clocks_init(32768, 24000000, 22579200, 0);
Amit Kucheriab996b582010-02-02 11:57:53 -0800414}
415
Uwe Kleine-Könige134fb22011-02-11 10:23:19 +0100416static struct sys_timer mx51_babbage_timer = {
417 .init = mx51_babbage_timer_init,
Amit Kucheriab996b582010-02-02 11:57:53 -0800418};
419
420MACHINE_START(MX51_BABBAGE, "Freescale MX51 Babbage Board")
421 /* Maintainer: Amit Kucheria <amit.kucheria@canonical.com> */
Nicolas Pitre61929352011-07-05 22:38:14 -0400422 .atag_offset = 0x100,
Amit Kucheriab996b582010-02-02 11:57:53 -0800423 .map_io = mx51_map_io,
Uwe Kleine-Königab1304212011-02-07 16:35:21 +0100424 .init_early = imx51_init_early,
Amit Kucheriab996b582010-02-02 11:57:53 -0800425 .init_irq = mx51_init_irq,
Sascha Hauerffa2ea32011-09-20 14:31:24 +0200426 .handle_irq = imx51_handle_irq,
Uwe Kleine-Könige134fb22011-02-11 10:23:19 +0100427 .timer = &mx51_babbage_timer,
428 .init_machine = mx51_babbage_init,
Shawn Guo8321b752012-04-26 11:42:34 +0800429 .init_late = imx51_init_late,
Russell King65ea7882011-11-06 17:12:08 +0000430 .restart = mxc_restart,
Amit Kucheriab996b582010-02-02 11:57:53 -0800431MACHINE_END