ARM: mach-imx: convert boot_params to atag_offset
[deliverable/linux.git] / arch / arm / mach-imx / mach-pcm038.c
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1/*
2 * Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix
3 * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
17 * MA 02110-1301, USA.
18 */
19
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20#include <linux/i2c.h>
21#include <linux/i2c/at24.h>
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22#include <linux/io.h>
23#include <linux/mtd/plat-ram.h>
24#include <linux/mtd/physmap.h>
25#include <linux/platform_device.h>
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26#include <linux/regulator/machine.h>
27#include <linux/mfd/mc13783.h>
28#include <linux/spi/spi.h>
29#include <linux/irq.h>
a4e9a65a 30
7e5e9f54 31#include <asm/mach-types.h>
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32#include <asm/mach/arch.h>
33#include <asm/mach/time.h>
34
35#include <mach/board-pcm038.h>
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36#include <mach/common.h>
37#include <mach/hardware.h>
e835d88e 38#include <mach/iomux-mx27.h>
773f206b 39#include <mach/ulpi.h>
7e5e9f54 40
0e7a29a8 41#include "devices-imx27.h"
7e90534a 42
6c80ee51 43static const int pcm038_pins[] __initconst = {
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44 /* UART1 */
45 PE12_PF_UART1_TXD,
46 PE13_PF_UART1_RXD,
47 PE14_PF_UART1_CTS,
48 PE15_PF_UART1_RTS,
49 /* UART2 */
50 PE3_PF_UART2_CTS,
51 PE4_PF_UART2_RTS,
52 PE6_PF_UART2_TXD,
53 PE7_PF_UART2_RXD,
54 /* UART3 */
55 PE8_PF_UART3_TXD,
56 PE9_PF_UART3_RXD,
57 PE10_PF_UART3_CTS,
58 PE11_PF_UART3_RTS,
59 /* FEC */
60 PD0_AIN_FEC_TXD0,
61 PD1_AIN_FEC_TXD1,
62 PD2_AIN_FEC_TXD2,
63 PD3_AIN_FEC_TXD3,
64 PD4_AOUT_FEC_RX_ER,
65 PD5_AOUT_FEC_RXD1,
66 PD6_AOUT_FEC_RXD2,
67 PD7_AOUT_FEC_RXD3,
68 PD8_AF_FEC_MDIO,
69 PD9_AIN_FEC_MDC,
70 PD10_AOUT_FEC_CRS,
71 PD11_AOUT_FEC_TX_CLK,
72 PD12_AOUT_FEC_RXD0,
73 PD13_AOUT_FEC_RX_DV,
74 PD14_AOUT_FEC_RX_CLK,
75 PD15_AOUT_FEC_COL,
76 PD16_AIN_FEC_TX_ER,
77 PF23_AIN_FEC_TX_EN,
78 /* I2C2 */
79 PC5_PF_I2C2_SDA,
80 PC6_PF_I2C2_SCL,
81 /* SPI1 */
82 PD25_PF_CSPI1_RDY,
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83 PD29_PF_CSPI1_SCLK,
84 PD30_PF_CSPI1_MISO,
85 PD31_PF_CSPI1_MOSI,
86 /* SSI1 */
87 PC20_PF_SSI1_FS,
88 PC21_PF_SSI1_RXD,
89 PC22_PF_SSI1_TXD,
90 PC23_PF_SSI1_CLK,
91 /* SSI4 */
92 PC16_PF_SSI4_FS,
93 PC17_PF_SSI4_RXD,
94 PC18_PF_SSI4_TXD,
95 PC19_PF_SSI4_CLK,
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96 /* USB host */
97 PA0_PF_USBH2_CLK,
98 PA1_PF_USBH2_DIR,
99 PA2_PF_USBH2_DATA7,
100 PA3_PF_USBH2_NXT,
101 PA4_PF_USBH2_STP,
102 PD19_AF_USBH2_DATA4,
103 PD20_AF_USBH2_DATA3,
104 PD21_AF_USBH2_DATA6,
105 PD22_AF_USBH2_DATA0,
106 PD23_AF_USBH2_DATA2,
107 PD24_AF_USBH2_DATA1,
108 PD26_AF_USBH2_DATA5,
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109};
110
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111/*
112 * Phytec's PCM038 comes with 2MiB battery buffered SRAM,
113 * 16 bit width
114 */
115
116static struct platdata_mtd_ram pcm038_sram_data = {
117 .bankwidth = 2,
118};
119
120static struct resource pcm038_sram_resource = {
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121 .start = MX27_CS1_BASE_ADDR,
122 .end = MX27_CS1_BASE_ADDR + 512 * 1024 - 1,
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123 .flags = IORESOURCE_MEM,
124};
125
126static struct platform_device pcm038_sram_mtd_device = {
127 .name = "mtd-ram",
128 .id = 0,
129 .dev = {
130 .platform_data = &pcm038_sram_data,
131 },
132 .num_resources = 1,
133 .resource = &pcm038_sram_resource,
134};
135
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136/*
137 * Phytec's phyCORE-i.MX27 comes with 32MiB flash,
138 * 16 bit width
139 */
140static struct physmap_flash_data pcm038_flash_data = {
141 .width = 2,
142};
143
144static struct resource pcm038_flash_resource = {
145 .start = 0xc0000000,
146 .end = 0xc1ffffff,
147 .flags = IORESOURCE_MEM,
148};
149
150static struct platform_device pcm038_nor_mtd_device = {
151 .name = "physmap-flash",
152 .id = 0,
153 .dev = {
154 .platform_data = &pcm038_flash_data,
155 },
156 .num_resources = 1,
157 .resource = &pcm038_flash_resource,
158};
159
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160static const struct imxuart_platform_data uart_pdata __initconst = {
161 .flags = IMXUART_HAVE_RTSCTS,
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162};
163
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164static const struct mxc_nand_platform_data
165pcm038_nand_board_info __initconst = {
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166 .width = 1,
167 .hw_ecc = 1,
168};
169
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170static struct platform_device *platform_devices[] __initdata = {
171 &pcm038_nor_mtd_device,
3620c0dc 172 &pcm038_sram_mtd_device,
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173};
174
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175/* On pcm038 there's a sram attached to CS1, we enable the chipselect here and
176 * setup other stuffs to access the sram. */
177static void __init pcm038_init_sram(void)
178{
a8dfb646 179 mx27_setup_weimcs(1, 0x0000d843, 0x22252521, 0x22220a00);
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180}
181
c6987159 182static const struct imxi2c_platform_data pcm038_i2c1_data __initconst = {
a4e9a65a 183 .bitrate = 100000,
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184};
185
186static struct at24_platform_data board_eeprom = {
187 .byte_len = 4096,
188 .page_size = 32,
189 .flags = AT24_FLAG_ADDR16,
190};
191
192static struct i2c_board_info pcm038_i2c_devices[] = {
cf87a6e2 193 {
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194 I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
195 .platform_data = &board_eeprom,
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196 }, {
197 I2C_BOARD_INFO("pcf8563", 0x51),
198 }, {
a4e9a65a 199 I2C_BOARD_INFO("lm75", 0x4a),
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200 }
201};
a4e9a65a 202
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203static int pcm038_spi_cs[] = {GPIO_PORTD + 28};
204
7536cf99 205static const struct spi_imx_master pcm038_spi0_data __initconst = {
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206 .chipselect = pcm038_spi_cs,
207 .num_chipselect = ARRAY_SIZE(pcm038_spi_cs),
208};
209
210static struct regulator_consumer_supply sdhc1_consumers[] = {
211 {
9d3d945a 212 .dev_name = "mxc-mmc.1",
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213 .supply = "sdhc_vcc",
214 },
215};
216
217static struct regulator_init_data sdhc1_data = {
218 .constraints = {
219 .min_uV = 3000000,
220 .max_uV = 3400000,
221 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
222 REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
223 .valid_modes_mask = REGULATOR_MODE_NORMAL |
224 REGULATOR_MODE_FAST,
225 .always_on = 0,
226 .boot_on = 0,
227 },
228 .num_consumer_supplies = ARRAY_SIZE(sdhc1_consumers),
229 .consumer_supplies = sdhc1_consumers,
230};
231
232static struct regulator_consumer_supply cam_consumers[] = {
233 {
234 .dev = NULL,
235 .supply = "imx_cam_vcc",
236 },
237};
238
239static struct regulator_init_data cam_data = {
240 .constraints = {
241 .min_uV = 3000000,
242 .max_uV = 3400000,
243 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
244 REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
245 .valid_modes_mask = REGULATOR_MODE_NORMAL |
246 REGULATOR_MODE_FAST,
247 .always_on = 0,
248 .boot_on = 0,
249 },
250 .num_consumer_supplies = ARRAY_SIZE(cam_consumers),
251 .consumer_supplies = cam_consumers,
252};
253
5836372e 254static struct mc13xxx_regulator_init_data pcm038_regulators[] = {
61533841 255 {
57c78e35 256 .id = MC13783_REG_VCAM,
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257 .init_data = &cam_data,
258 }, {
57c78e35 259 .id = MC13783_REG_VMMC1,
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260 .init_data = &sdhc1_data,
261 },
262};
263
5836372e 264static struct mc13xxx_platform_data pcm038_pmic = {
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265 .regulators = {
266 .regulators = pcm038_regulators,
267 .num_regulators = ARRAY_SIZE(pcm038_regulators),
268 },
269 .flags = MC13783_USE_ADC | MC13783_USE_REGULATOR |
270 MC13783_USE_TOUCHSCREEN,
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271};
272
273static struct spi_board_info pcm038_spi_board_info[] __initdata = {
274 {
275 .modalias = "mc13783",
276 .irq = IRQ_GPIOB(23),
277 .max_speed_hz = 300000,
278 .bus_num = 0,
279 .chip_select = 0,
280 .platform_data = &pcm038_pmic,
281 .mode = SPI_CS_HIGH,
282 }
283};
284
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285static int pcm038_usbh2_init(struct platform_device *pdev)
286{
287 return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED |
288 MXC_EHCI_INTERFACE_DIFF_UNI);
289}
290
2eb42d5c 291static const struct mxc_usbh_platform_data usbh2_pdata __initconst = {
4bd597b6 292 .init = pcm038_usbh2_init,
773f206b 293 .portsc = MXC_EHCI_MODE_ULPI,
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294};
295
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296static void __init pcm038_init(void)
297{
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298 imx27_soc_init();
299
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300 mxc_gpio_setup_multiple_pins(pcm038_pins, ARRAY_SIZE(pcm038_pins),
301 "PCM038");
302
3620c0dc 303 pcm038_init_sram();
7e5e9f54 304
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305 imx27_add_imx_uart0(&uart_pdata);
306 imx27_add_imx_uart1(&uart_pdata);
307 imx27_add_imx_uart2(&uart_pdata);
01f71a37 308
ccfe30a7 309 mxc_gpio_mode(PE16_AF_OWIRE);
0e7a29a8 310 imx27_add_mxc_nand(&pcm038_nand_board_info);
7e5e9f54 311
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312 /* only the i2c master 1 is used on this CPU card */
313 i2c_register_board_info(1, pcm038_i2c_devices,
314 ARRAY_SIZE(pcm038_i2c_devices));
315
77a406da 316 imx27_add_imx_i2c(1, &pcm038_i2c1_data);
a4e9a65a 317
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318 /* PE18 for user-LED D40 */
319 mxc_gpio_mode(GPIO_PORTE | 18 | GPIO_GPIO | GPIO_OUT);
320
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321 mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_OUT);
322
323 /* MC13783 IRQ */
324 mxc_gpio_mode(GPIO_PORTB | 23 | GPIO_GPIO | GPIO_IN);
325
7536cf99 326 imx27_add_spi_imx0(&pcm038_spi0_data);
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327 spi_register_board_info(pcm038_spi_board_info,
328 ARRAY_SIZE(pcm038_spi_board_info));
329
2eb42d5c 330 imx27_add_mxc_ehci_hs(2, &usbh2_pdata);
773f206b 331
6bd96f3c 332 imx27_add_fec(NULL);
7e5e9f54 333 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
e0a1961d 334 imx27_add_imx2_wdt(NULL);
ae71a562 335 imx27_add_mxc_w1(NULL);
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336
337#ifdef CONFIG_MACH_PCM970_BASEBOARD
338 pcm970_baseboard_init();
339#endif
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340}
341
342static void __init pcm038_timer_init(void)
343{
30c730f8 344 mx27_clocks_init(26000000);
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345}
346
058b7a6f 347static struct sys_timer pcm038_timer = {
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348 .init = pcm038_timer_init,
349};
350
351MACHINE_START(PCM038, "phyCORE-i.MX27")
dc8f1907 352 .atag_offset = 0x100,
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353 .map_io = mx27_map_io,
354 .init_early = imx27_init_early,
355 .init_irq = mx27_init_irq,
356 .timer = &pcm038_timer,
357 .init_machine = pcm038_init,
7e5e9f54 358MACHINE_END
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