diff options
Diffstat (limited to 'arch/arm/mach-imx/mach-mx31lilly.c')
-rw-r--r-- | arch/arm/mach-imx/mach-mx31lilly.c | 302 |
1 files changed, 302 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-mx31lilly.c b/arch/arm/mach-imx/mach-mx31lilly.c new file mode 100644 index 000000000000..410e676ae087 --- /dev/null +++ b/arch/arm/mach-imx/mach-mx31lilly.c | |||
@@ -0,0 +1,302 @@ | |||
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 | |||
58 | static 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 | |||
71 | static 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 | |||
80 | static 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 */ | ||
91 | static struct physmap_flash_data nor_flash_data = { | ||
92 | .width = 2, | ||
93 | }; | ||
94 | |||
95 | static struct resource nor_flash_resource = { | ||
96 | .start = 0xa0000000, | ||
97 | .end = 0xa1ffffff, | ||
98 | .flags = IORESOURCE_MEM, | ||
99 | }; | ||
100 | |||
101 | static 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 | |||
116 | static 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 | |||
146 | static 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 | |||
185 | static const struct mxc_usbh_platform_data usbh1_pdata __initconst = { | ||
186 | .init = usbh1_init, | ||
187 | .portsc = MXC_EHCI_MODE_UTMI | MXC_EHCI_SERIAL, | ||
188 | }; | ||
189 | |||
190 | static struct mxc_usbh_platform_data usbh2_pdata __initdata = { | ||
191 | .init = usbh2_init, | ||
192 | .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT, | ||
193 | }; | ||
194 | |||
195 | static 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 | |||
207 | static int spi_internal_chipselect[] = { | ||
208 | MXC_SPI_CS(0), | ||
209 | MXC_SPI_CS(1), | ||
210 | MXC_SPI_CS(2), | ||
211 | }; | ||
212 | |||
213 | static const struct spi_imx_master spi0_pdata __initconst = { | ||
214 | .chipselect = spi_internal_chipselect, | ||
215 | .num_chipselect = ARRAY_SIZE(spi_internal_chipselect), | ||
216 | }; | ||
217 | |||
218 | static const struct spi_imx_master spi1_pdata __initconst = { | ||
219 | .chipselect = spi_internal_chipselect, | ||
220 | .num_chipselect = ARRAY_SIZE(spi_internal_chipselect), | ||
221 | }; | ||
222 | |||
223 | static struct mc13xxx_platform_data mc13783_pdata __initdata = { | ||
224 | .flags = MC13XXX_USE_RTC | MC13XXX_USE_TOUCHSCREEN, | ||
225 | }; | ||
226 | |||
227 | static 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 | |||
236 | static struct platform_device *devices[] __initdata = { | ||
237 | &smsc91x_device, | ||
238 | &physmap_flash_device, | ||
239 | }; | ||
240 | |||
241 | static int mx31lilly_baseboard; | ||
242 | core_param(mx31lilly_baseboard, mx31lilly_baseboard, int, 0444); | ||
243 | |||
244 | static 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 | |||
286 | static void __init mx31lilly_timer_init(void) | ||
287 | { | ||
288 | mx31_clocks_init(26000000); | ||
289 | } | ||
290 | |||
291 | static struct sys_timer mx31lilly_timer = { | ||
292 | .init = mx31lilly_timer_init, | ||
293 | }; | ||
294 | |||
295 | MACHINE_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, | ||
302 | MACHINE_END | ||