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9a4cd7a5 DM |
1 | /* |
2 | * Copyright (C) 2000 Deep Blue Solutions Ltd | |
3 | * Copyright (C) 2002 Shane Nay (shane@minirl.com) | |
4 | * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved. | |
84677d11 | 5 | * Copyright (C) 2009 Daniel Mack <daniel@caiaq.de> |
9a4cd7a5 DM |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
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. | |
9a4cd7a5 DM |
16 | */ |
17 | ||
18 | #include <linux/types.h> | |
19 | #include <linux/init.h> | |
20 | #include <linux/kernel.h> | |
21 | #include <linux/memory.h> | |
3211705f ML |
22 | #include <linux/platform_device.h> |
23 | #include <linux/gpio.h> | |
9e907416 | 24 | #include <linux/moduleparam.h> |
3211705f | 25 | #include <linux/smsc911x.h> |
84677d11 DM |
26 | #include <linux/mfd/mc13783.h> |
27 | #include <linux/spi/spi.h> | |
a050c8e9 DM |
28 | #include <linux/usb/otg.h> |
29 | #include <linux/usb/ulpi.h> | |
6d3e6601 | 30 | #include <linux/mtd/physmap.h> |
4bd597b6 | 31 | #include <linux/delay.h> |
da21d4dc FE |
32 | #include <linux/regulator/machine.h> |
33 | #include <linux/regulator/fixed.h> | |
9a4cd7a5 | 34 | |
9a4cd7a5 DM |
35 | #include <asm/mach-types.h> |
36 | #include <asm/mach/arch.h> | |
9e8a30dc | 37 | #include <asm/mach/time.h> |
9a4cd7a5 | 38 | #include <asm/mach/map.h> |
9a4cd7a5 DM |
39 | #include <asm/page.h> |
40 | #include <asm/setup.h> | |
84677d11 | 41 | |
3ed0bcb4 | 42 | #include "board-mx31lite.h" |
e3372474 | 43 | #include "common.h" |
a2ceeef5 | 44 | #include "devices-imx31.h" |
641dfe8b | 45 | #include "ehci.h" |
50f2de61 | 46 | #include "hardware.h" |
267dd34c | 47 | #include "iomux-mx3.h" |
39ef6340 | 48 | #include "ulpi.h" |
9a4cd7a5 DM |
49 | |
50 | /* | |
b7d91a62 | 51 | * This file contains the module-specific initialization routines. |
9a4cd7a5 DM |
52 | */ |
53 | ||
a854b8ab | 54 | static unsigned int mx31lite_pins[] = { |
3211705f ML |
55 | /* LAN9117 IRQ pin */ |
56 | IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO), | |
84677d11 DM |
57 | /* SPI 1 */ |
58 | MX31_PIN_CSPI2_SCLK__SCLK, | |
59 | MX31_PIN_CSPI2_MOSI__MOSI, | |
60 | MX31_PIN_CSPI2_MISO__MISO, | |
61 | MX31_PIN_CSPI2_SPI_RDY__SPI_RDY, | |
62 | MX31_PIN_CSPI2_SS0__SS0, | |
63 | MX31_PIN_CSPI2_SS1__SS1, | |
64 | MX31_PIN_CSPI2_SS2__SS2, | |
a854b8ab ML |
65 | }; |
66 | ||
a2ceeef5 UKK |
67 | static const struct mxc_nand_platform_data |
68 | mx31lite_nand_board_info __initconst = { | |
183c7fff ML |
69 | .width = 1, |
70 | .hw_ecc = 1, | |
71 | }; | |
72 | ||
3211705f ML |
73 | static struct smsc911x_platform_config smsc911x_config = { |
74 | .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, | |
75 | .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, | |
76 | .flags = SMSC911X_USE_16BIT, | |
77 | }; | |
78 | ||
79 | static struct resource smsc911x_resources[] = { | |
3f4f54b4 | 80 | { |
f568dd7f UKK |
81 | .start = MX31_CS4_BASE_ADDR, |
82 | .end = MX31_CS4_BASE_ADDR + 0x100, | |
3211705f | 83 | .flags = IORESOURCE_MEM, |
3f4f54b4 | 84 | }, { |
ed175343 | 85 | /* irq number is run-time assigned */ |
3211705f ML |
86 | .flags = IORESOURCE_IRQ, |
87 | }, | |
88 | }; | |
89 | ||
90 | static struct platform_device smsc911x_device = { | |
91 | .name = "smsc911x", | |
92 | .id = -1, | |
93 | .num_resources = ARRAY_SIZE(smsc911x_resources), | |
94 | .resource = smsc911x_resources, | |
95 | .dev = { | |
96 | .platform_data = &smsc911x_config, | |
97 | }, | |
98 | }; | |
99 | ||
84677d11 DM |
100 | /* |
101 | * SPI | |
102 | * | |
103 | * The MC13783 is the only hard-wired SPI device on the module. | |
104 | */ | |
105 | ||
106 | static int spi_internal_chipselect[] = { | |
107 | MXC_SPI_CS(0), | |
108 | }; | |
109 | ||
06606ff1 | 110 | static const struct spi_imx_master spi1_pdata __initconst = { |
84677d11 DM |
111 | .chipselect = spi_internal_chipselect, |
112 | .num_chipselect = ARRAY_SIZE(spi_internal_chipselect), | |
113 | }; | |
114 | ||
5836372e | 115 | static struct mc13xxx_platform_data mc13783_pdata __initdata = { |
46621ebb | 116 | .flags = MC13XXX_USE_RTC, |
84677d11 DM |
117 | }; |
118 | ||
119 | static struct spi_board_info mc13783_spi_dev __initdata = { | |
120 | .modalias = "mc13783", | |
121 | .max_speed_hz = 1000000, | |
122 | .bus_num = 1, | |
123 | .chip_select = 0, | |
124 | .platform_data = &mc13783_pdata, | |
ed175343 | 125 | /* irq number is run-time assigned */ |
84677d11 DM |
126 | }; |
127 | ||
a050c8e9 DM |
128 | /* |
129 | * USB | |
130 | */ | |
131 | ||
132 | #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \ | |
133 | PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU) | |
134 | ||
135 | static int usbh2_init(struct platform_device *pdev) | |
136 | { | |
137 | int pins[] = { | |
138 | MX31_PIN_USBH2_DATA0__USBH2_DATA0, | |
139 | MX31_PIN_USBH2_DATA1__USBH2_DATA1, | |
140 | MX31_PIN_USBH2_CLK__USBH2_CLK, | |
141 | MX31_PIN_USBH2_DIR__USBH2_DIR, | |
142 | MX31_PIN_USBH2_NXT__USBH2_NXT, | |
143 | MX31_PIN_USBH2_STP__USBH2_STP, | |
144 | }; | |
145 | ||
146 | mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB H2"); | |
147 | ||
148 | mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG); | |
149 | mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG); | |
150 | mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG); | |
151 | mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG); | |
152 | mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG); | |
153 | mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG); | |
154 | mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG); | |
155 | mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG); | |
156 | mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG); | |
157 | mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG); | |
158 | mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG); | |
159 | mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG); | |
160 | ||
161 | mxc_iomux_set_gpr(MUX_PGP_UH2, true); | |
162 | ||
163 | /* chip select */ | |
164 | mxc_iomux_alloc_pin(IOMUX_MODE(MX31_PIN_DTR_DCE1, IOMUX_CONFIG_GPIO), | |
165 | "USBH2_CS"); | |
166 | gpio_request(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), "USBH2 CS"); | |
167 | gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), 0); | |
168 | ||
4bd597b6 SH |
169 | mdelay(10); |
170 | ||
171 | return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED); | |
a050c8e9 DM |
172 | } |
173 | ||
2d58de28 | 174 | static struct mxc_usbh_platform_data usbh2_pdata __initdata = { |
a050c8e9 DM |
175 | .init = usbh2_init, |
176 | .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT, | |
a050c8e9 DM |
177 | }; |
178 | ||
6d3e6601 DM |
179 | /* |
180 | * NOR flash | |
181 | */ | |
182 | ||
183 | static struct physmap_flash_data nor_flash_data = { | |
184 | .width = 2, | |
185 | }; | |
186 | ||
187 | static struct resource nor_flash_resource = { | |
188 | .start = 0xa0000000, | |
189 | .end = 0xa1ffffff, | |
190 | .flags = IORESOURCE_MEM, | |
191 | }; | |
192 | ||
193 | static struct platform_device physmap_flash_device = { | |
194 | .name = "physmap-flash", | |
195 | .id = 0, | |
196 | .dev = { | |
197 | .platform_data = &nor_flash_data, | |
198 | }, | |
199 | .resource = &nor_flash_resource, | |
200 | .num_resources = 1, | |
201 | }; | |
202 | ||
203 | ||
204 | ||
9a4cd7a5 DM |
205 | /* |
206 | * This structure defines the MX31 memory map. | |
207 | */ | |
208 | static struct map_desc mx31lite_io_desc[] __initdata = { | |
209 | { | |
f25d696a | 210 | .virtual = (unsigned long)MX31_CS4_BASE_ADDR_VIRT, |
f568dd7f UKK |
211 | .pfn = __phys_to_pfn(MX31_CS4_BASE_ADDR), |
212 | .length = MX31_CS4_SIZE, | |
9a4cd7a5 DM |
213 | .type = MT_DEVICE |
214 | } | |
215 | }; | |
216 | ||
217 | /* | |
218 | * Set up static virtual mappings. | |
219 | */ | |
220 | void __init mx31lite_map_io(void) | |
221 | { | |
cd4a05f9 | 222 | mx31_map_io(); |
9a4cd7a5 DM |
223 | iotable_init(mx31lite_io_desc, ARRAY_SIZE(mx31lite_io_desc)); |
224 | } | |
225 | ||
b7d91a62 DM |
226 | static int mx31lite_baseboard; |
227 | core_param(mx31lite_baseboard, mx31lite_baseboard, int, 0444); | |
228 | ||
da21d4dc FE |
229 | static struct regulator_consumer_supply dummy_supplies[] = { |
230 | REGULATOR_SUPPLY("vdd33a", "smsc911x"), | |
231 | REGULATOR_SUPPLY("vddvario", "smsc911x"), | |
232 | }; | |
233 | ||
e134fb2b | 234 | static void __init mx31lite_init(void) |
9a4cd7a5 | 235 | { |
4f163eb8 SH |
236 | int ret; |
237 | ||
b78d8e59 SG |
238 | imx31_soc_init(); |
239 | ||
b7d91a62 DM |
240 | switch (mx31lite_baseboard) { |
241 | case MX31LITE_NOBOARD: | |
242 | break; | |
243 | case MX31LITE_DB: | |
244 | mx31lite_db_init(); | |
245 | break; | |
246 | default: | |
247 | printk(KERN_ERR "Illegal mx31lite_baseboard type %d\n", | |
248 | mx31lite_baseboard); | |
249 | } | |
250 | ||
a854b8ab ML |
251 | mxc_iomux_setup_multiple_pins(mx31lite_pins, ARRAY_SIZE(mx31lite_pins), |
252 | "mx31lite"); | |
253 | ||
6d3e6601 DM |
254 | /* NOR and NAND flash */ |
255 | platform_device_register(&physmap_flash_device); | |
a2ceeef5 | 256 | imx31_add_mxc_nand(&mx31lite_nand_board_info); |
6d3e6601 | 257 | |
06606ff1 | 258 | imx31_add_spi_imx1(&spi1_pdata); |
ed175343 | 259 | mc13783_spi_dev.irq = gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3)); |
84677d11 | 260 | spi_register_board_info(&mc13783_spi_dev, 1); |
3211705f | 261 | |
a050c8e9 | 262 | /* USB */ |
48f6b099 SH |
263 | usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS | |
264 | ULPI_OTG_DRVVBUS_EXT); | |
265 | if (usbh2_pdata.otg) | |
266 | imx31_add_mxc_ehci_hs(2, &usbh2_pdata); | |
a050c8e9 | 267 | |
da21d4dc FE |
268 | regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); |
269 | ||
3211705f | 270 | /* SMSC9117 IRQ pin */ |
4f163eb8 SH |
271 | ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_SFS6), "sms9117-irq"); |
272 | if (ret) | |
75fd32b8 | 273 | pr_warn("could not get LAN irq gpio\n"); |
4f163eb8 SH |
274 | else { |
275 | gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_SFS6)); | |
ed175343 SG |
276 | smsc911x_resources[1].start = |
277 | gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_SFS6)); | |
278 | smsc911x_resources[1].end = | |
279 | gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_SFS6)); | |
4f163eb8 SH |
280 | platform_device_register(&smsc911x_device); |
281 | } | |
9a4cd7a5 DM |
282 | } |
283 | ||
9e8a30dc JB |
284 | static void __init mx31lite_timer_init(void) |
285 | { | |
30c730f8 | 286 | mx31_clocks_init(26000000); |
9e8a30dc JB |
287 | } |
288 | ||
b7d91a62 | 289 | MACHINE_START(MX31LITE, "LogicPD i.MX31 SOM") |
9a4cd7a5 | 290 | /* Maintainer: Freescale Semiconductor, Inc. */ |
dc8f1907 | 291 | .atag_offset = 0x100, |
97976e22 UKK |
292 | .map_io = mx31lite_map_io, |
293 | .init_early = imx31_init_early, | |
294 | .init_irq = mx31_init_irq, | |
6bb27d73 | 295 | .init_time = mx31lite_timer_init, |
e134fb2b | 296 | .init_machine = mx31lite_init, |
65ea7884 | 297 | .restart = mxc_restart, |
9a4cd7a5 | 298 | MACHINE_END |