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diff --git a/arch/arm/mach-imx/mach-mx31lilly.c b/arch/arm/mach-imx/mach-mx31lilly.c
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1/*
2 * LILLY-1131 module support
3 *
4 * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
5 *
6 * based on code for other MX31 boards,
7 *
8 * Copyright 2005-2007 Freescale Semiconductor
9 * Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
10 * Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 */
22
23#include <linux/types.h>
24#include <linux/init.h>
25#include <linux/clk.h>
26#include <linux/gpio.h>
27#include <linux/delay.h>
28#include <linux/platform_device.h>
29#include <linux/interrupt.h>
30#include <linux/smsc911x.h>
31#include <linux/mtd/physmap.h>
32#include <linux/spi/spi.h>
33#include <linux/mfd/mc13783.h>
34#include <linux/usb/otg.h>
35#include <linux/usb/ulpi.h>
36
37#include <asm/mach-types.h>
38#include <asm/mach/arch.h>
39#include <asm/mach/time.h>
40#include <asm/mach/map.h>
41
42#include <mach/hardware.h>
43#include <mach/common.h>
44#include <mach/iomux-mx3.h>
45#include <mach/board-mx31lilly.h>
46#include <mach/ulpi.h>
47
48#include "devices-imx31.h"
49
50/*
51 * This file contains module-specific initialization routines for LILLY-1131.
52 * Initialization of peripherals found on the baseboard is implemented in the
53 * appropriate baseboard support code.
54 */
55
56/* SMSC ethernet support */
57
58static struct resource smsc91x_resources[] = {
59 {
60 .start = MX31_CS4_BASE_ADDR,
61 .end = MX31_CS4_BASE_ADDR + 0xffff,
62 .flags = IORESOURCE_MEM,
63 },
64 {
65 .start = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
66 .end = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
67 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
68 }
69};
70
71static struct smsc911x_platform_config smsc911x_config = {
72 .phy_interface = PHY_INTERFACE_MODE_MII,
73 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
74 .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
75 .flags = SMSC911X_USE_32BIT |
76 SMSC911X_SAVE_MAC_ADDRESS |
77 SMSC911X_FORCE_INTERNAL_PHY,
78};
79
80static struct platform_device smsc91x_device = {
81 .name = "smsc911x",
82 .id = -1,
83 .num_resources = ARRAY_SIZE(smsc91x_resources),
84 .resource = smsc91x_resources,
85 .dev = {
86 .platform_data = &smsc911x_config,
87 }
88};
89
90/* NOR flash */
91static struct physmap_flash_data nor_flash_data = {
92 .width = 2,
93};
94
95static struct resource nor_flash_resource = {
96 .start = 0xa0000000,
97 .end = 0xa1ffffff,
98 .flags = IORESOURCE_MEM,
99};
100
101static struct platform_device physmap_flash_device = {
102 .name = "physmap-flash",
103 .id = 0,
104 .dev = {
105 .platform_data = &nor_flash_data,
106 },
107 .resource = &nor_flash_resource,
108 .num_resources = 1,
109};
110
111/* USB */
112
113#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
114 PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
115
116static int usbh1_init(struct platform_device *pdev)
117{
118 int pins[] = {
119 MX31_PIN_CSPI1_MOSI__USBH1_RXDM,
120 MX31_PIN_CSPI1_MISO__USBH1_RXDP,
121 MX31_PIN_CSPI1_SS0__USBH1_TXDM,
122 MX31_PIN_CSPI1_SS1__USBH1_TXDP,
123 MX31_PIN_CSPI1_SS2__USBH1_RCV,
124 MX31_PIN_CSPI1_SCLK__USBH1_OEB,
125 MX31_PIN_CSPI1_SPI_RDY__USBH1_FS,
126 };
127
128 mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB H1");
129
130 mxc_iomux_set_pad(MX31_PIN_CSPI1_MOSI, USB_PAD_CFG);
131 mxc_iomux_set_pad(MX31_PIN_CSPI1_MISO, USB_PAD_CFG);
132 mxc_iomux_set_pad(MX31_PIN_CSPI1_SS0, USB_PAD_CFG);
133 mxc_iomux_set_pad(MX31_PIN_CSPI1_SS1, USB_PAD_CFG);
134 mxc_iomux_set_pad(MX31_PIN_CSPI1_SS2, USB_PAD_CFG);
135 mxc_iomux_set_pad(MX31_PIN_CSPI1_SCLK, USB_PAD_CFG);
136 mxc_iomux_set_pad(MX31_PIN_CSPI1_SPI_RDY, USB_PAD_CFG);
137
138 mxc_iomux_set_gpr(MUX_PGP_USB_SUSPEND, true);
139
140 mdelay(10);
141
142 return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED |
143 MXC_EHCI_INTERFACE_SINGLE_UNI);
144}
145
146static int usbh2_init(struct platform_device *pdev)
147{
148 int pins[] = {
149 MX31_PIN_USBH2_DATA0__USBH2_DATA0,
150 MX31_PIN_USBH2_DATA1__USBH2_DATA1,
151 MX31_PIN_USBH2_CLK__USBH2_CLK,
152 MX31_PIN_USBH2_DIR__USBH2_DIR,
153 MX31_PIN_USBH2_NXT__USBH2_NXT,
154 MX31_PIN_USBH2_STP__USBH2_STP,
155 };
156
157 mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB H2");
158
159 mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG);
160 mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG);
161 mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG);
162 mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG);
163 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG);
164 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG);
165 mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG);
166 mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG);
167 mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG);
168 mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG);
169 mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG);
170 mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG);
171
172 mxc_iomux_set_gpr(MUX_PGP_UH2, true);
173
174 /* chip select */
175 mxc_iomux_alloc_pin(IOMUX_MODE(MX31_PIN_DTR_DCE1, IOMUX_CONFIG_GPIO),
176 "USBH2_CS");
177 gpio_request(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), "USBH2 CS");
178 gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), 0);
179
180 mdelay(10);
181
182 return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
183}
184
185static const struct mxc_usbh_platform_data usbh1_pdata __initconst = {
186 .init = usbh1_init,
187 .portsc = MXC_EHCI_MODE_UTMI | MXC_EHCI_SERIAL,
188};
189
190static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
191 .init = usbh2_init,
192 .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
193};
194
195static void lilly1131_usb_init(void)
196{
197 imx31_add_mxc_ehci_hs(1, &usbh1_pdata);
198
199 usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
200 ULPI_OTG_DRVVBUS_EXT);
201 if (usbh2_pdata.otg)
202 imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
203}
204
205/* SPI */
206
207static int spi_internal_chipselect[] = {
208 MXC_SPI_CS(0),
209 MXC_SPI_CS(1),
210 MXC_SPI_CS(2),
211};
212
213static const struct spi_imx_master spi0_pdata __initconst = {
214 .chipselect = spi_internal_chipselect,
215 .num_chipselect = ARRAY_SIZE(spi_internal_chipselect),
216};
217
218static const struct spi_imx_master spi1_pdata __initconst = {
219 .chipselect = spi_internal_chipselect,
220 .num_chipselect = ARRAY_SIZE(spi_internal_chipselect),
221};
222
223static struct mc13xxx_platform_data mc13783_pdata __initdata = {
224 .flags = MC13XXX_USE_RTC | MC13XXX_USE_TOUCHSCREEN,
225};
226
227static struct spi_board_info mc13783_dev __initdata = {
228 .modalias = "mc13783",
229 .max_speed_hz = 1000000,
230 .bus_num = 1,
231 .chip_select = 0,
232 .platform_data = &mc13783_pdata,
233 .irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3),
234};
235
236static struct platform_device *devices[] __initdata = {
237 &smsc91x_device,
238 &physmap_flash_device,
239};
240
241static int mx31lilly_baseboard;
242core_param(mx31lilly_baseboard, mx31lilly_baseboard, int, 0444);
243
244static void __init mx31lilly_board_init(void)
245{
246 switch (mx31lilly_baseboard) {
247 case MX31LILLY_NOBOARD:
248 break;
249 case MX31LILLY_DB:
250 mx31lilly_db_init();
251 break;
252 default:
253 printk(KERN_ERR "Illegal mx31lilly_baseboard type %d\n",
254 mx31lilly_baseboard);
255 }
256
257 mxc_iomux_alloc_pin(MX31_PIN_CS4__CS4, "Ethernet CS");
258
259 /* SPI */
260 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SCLK__SCLK, "SPI1_CLK");
261 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MOSI__MOSI, "SPI1_TX");
262 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MISO__MISO, "SPI1_RX");
263 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SPI_RDY__SPI_RDY, "SPI1_RDY");
264 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS0__SS0, "SPI1_SS0");
265 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS1__SS1, "SPI1_SS1");
266 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS2__SS2, "SPI1_SS2");
267
268 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SCLK__SCLK, "SPI2_CLK");
269 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MOSI__MOSI, "SPI2_TX");
270 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MISO__MISO, "SPI2_RX");
271 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SPI_RDY__SPI_RDY, "SPI2_RDY");
272 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS0__SS0, "SPI2_SS0");
273 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS1__SS1, "SPI2_SS1");
274 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS2__SS2, "SPI2_SS2");
275
276 imx31_add_spi_imx0(&spi0_pdata);
277 imx31_add_spi_imx1(&spi1_pdata);
278 spi_register_board_info(&mc13783_dev, 1);
279
280 platform_add_devices(devices, ARRAY_SIZE(devices));
281
282 /* USB */
283 lilly1131_usb_init();
284}
285
286static void __init mx31lilly_timer_init(void)
287{
288 mx31_clocks_init(26000000);
289}
290
291static struct sys_timer mx31lilly_timer = {
292 .init = mx31lilly_timer_init,
293};
294
295MACHINE_START(LILLY1131, "INCO startec LILLY-1131")
296 .boot_params = MX3x_PHYS_OFFSET + 0x100,
297 .map_io = mx31_map_io,
298 .init_early = imx31_init_early,
299 .init_irq = mx31_init_irq,
300 .timer = &mx31lilly_timer,
301 .init_machine = mx31lilly_board_init,
302MACHINE_END