ARM: imx: remove now empty devices.h
[deliverable/linux.git] / arch / arm / mach-imx / mach-mx27ads.c
CommitLineData
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1/*
2 * Copyright (C) 2000 Deep Blue Solutions Ltd
3 * Copyright (C) 2002 Shane Nay (shane@minirl.com)
4 * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
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15 */
16
17#include <linux/platform_device.h>
18#include <linux/mtd/mtd.h>
19#include <linux/mtd/map.h>
20#include <linux/mtd/partitions.h>
21#include <linux/mtd/physmap.h>
c981214a 22#include <linux/i2c.h>
60c24dc7 23#include <linux/irq.h>
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24#include <mach/common.h>
25#include <mach/hardware.h>
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26#include <asm/mach-types.h>
27#include <asm/mach/arch.h>
28#include <asm/mach/time.h>
29#include <asm/mach/map.h>
a09e64fb 30#include <mach/gpio.h>
e835d88e 31#include <mach/iomux-mx27.h>
8d4fd258 32#include <mach/mxc_nand.h>
80eedae6 33
0e7a29a8 34#include "devices-imx27.h"
7e90534a 35
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36/*
37 * Base address of PBC controller, CS4
38 */
39#define PBC_BASE_ADDRESS 0xf4300000
40#define PBC_REG_ADDR(offset) (void __force __iomem *) \
41 (PBC_BASE_ADDRESS + (offset))
42
43/* When the PBC address connection is fixed in h/w, defined as 1 */
44#define PBC_ADDR_SH 0
45
46/* Offsets for the PBC Controller register */
47/*
48 * PBC Board version register offset
49 */
50#define PBC_VERSION_REG PBC_REG_ADDR(0x00000 >> PBC_ADDR_SH)
51/*
52 * PBC Board control register 1 set address.
53 */
54#define PBC_BCTRL1_SET_REG PBC_REG_ADDR(0x00008 >> PBC_ADDR_SH)
55/*
56 * PBC Board control register 1 clear address.
57 */
58#define PBC_BCTRL1_CLEAR_REG PBC_REG_ADDR(0x0000C >> PBC_ADDR_SH)
59
60/* PBC Board Control Register 1 bit definitions */
61#define PBC_BCTRL1_LCDON 0x0800 /* Enable the LCD */
62
63/* to determine the correct external crystal reference */
64#define CKIH_27MHZ_BIT_SET (1 << 3)
65
6c80ee51 66static const int mx27ads_pins[] __initconst = {
c1a6f123 67 /* UART0 */
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68 PE12_PF_UART1_TXD,
69 PE13_PF_UART1_RXD,
70 PE14_PF_UART1_CTS,
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71 PE15_PF_UART1_RTS,
72 /* UART1 */
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73 PE3_PF_UART2_CTS,
74 PE4_PF_UART2_RTS,
75 PE6_PF_UART2_TXD,
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76 PE7_PF_UART2_RXD,
77 /* UART2 */
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78 PE8_PF_UART3_TXD,
79 PE9_PF_UART3_RXD,
80 PE10_PF_UART3_CTS,
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81 PE11_PF_UART3_RTS,
82 /* UART3 */
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83 PB26_AF_UART4_RTS,
84 PB28_AF_UART4_TXD,
85 PB29_AF_UART4_CTS,
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86 PB31_AF_UART4_RXD,
87 /* UART4 */
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88 PB18_AF_UART5_TXD,
89 PB19_AF_UART5_RXD,
90 PB20_AF_UART5_CTS,
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91 PB21_AF_UART5_RTS,
92 /* UART5 */
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93 PB10_AF_UART6_TXD,
94 PB12_AF_UART6_CTS,
95 PB11_AF_UART6_RXD,
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96 PB13_AF_UART6_RTS,
97 /* FEC */
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98 PD0_AIN_FEC_TXD0,
99 PD1_AIN_FEC_TXD1,
100 PD2_AIN_FEC_TXD2,
101 PD3_AIN_FEC_TXD3,
102 PD4_AOUT_FEC_RX_ER,
103 PD5_AOUT_FEC_RXD1,
104 PD6_AOUT_FEC_RXD2,
105 PD7_AOUT_FEC_RXD3,
106 PD8_AF_FEC_MDIO,
107 PD9_AIN_FEC_MDC,
108 PD10_AOUT_FEC_CRS,
109 PD11_AOUT_FEC_TX_CLK,
110 PD12_AOUT_FEC_RXD0,
111 PD13_AOUT_FEC_RX_DV,
ccfe30a7 112 PD14_AOUT_FEC_RX_CLK,
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113 PD15_AOUT_FEC_COL,
114 PD16_AIN_FEC_TX_ER,
c1a6f123 115 PF23_AIN_FEC_TX_EN,
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116 /* I2C2 */
117 PC5_PF_I2C2_SDA,
118 PC6_PF_I2C2_SCL,
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119 /* FB */
120 PA5_PF_LSCLK,
121 PA6_PF_LD0,
122 PA7_PF_LD1,
123 PA8_PF_LD2,
124 PA9_PF_LD3,
125 PA10_PF_LD4,
126 PA11_PF_LD5,
127 PA12_PF_LD6,
128 PA13_PF_LD7,
129 PA14_PF_LD8,
130 PA15_PF_LD9,
131 PA16_PF_LD10,
132 PA17_PF_LD11,
133 PA18_PF_LD12,
134 PA19_PF_LD13,
135 PA20_PF_LD14,
136 PA21_PF_LD15,
137 PA22_PF_LD16,
138 PA23_PF_LD17,
139 PA24_PF_REV,
140 PA25_PF_CLS,
141 PA26_PF_PS,
142 PA27_PF_SPL_SPR,
143 PA28_PF_HSYNC,
144 PA29_PF_VSYNC,
145 PA30_PF_CONTRAST,
146 PA31_PF_OE_ACD,
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147 /* OWIRE */
148 PE16_AF_OWIRE,
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149 /* SDHC1*/
150 PE18_PF_SD1_D0,
151 PE19_PF_SD1_D1,
152 PE20_PF_SD1_D2,
153 PE21_PF_SD1_D3,
154 PE22_PF_SD1_CMD,
155 PE23_PF_SD1_CLK,
156 /* SDHC2*/
157 PB4_PF_SD2_D0,
158 PB5_PF_SD2_D1,
159 PB6_PF_SD2_D2,
160 PB7_PF_SD2_D3,
161 PB8_PF_SD2_CMD,
162 PB9_PF_SD2_CLK,
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163};
164
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165static const struct mxc_nand_platform_data
166mx27ads_nand_board_info __initconst = {
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167 .width = 1,
168 .hw_ecc = 1,
169};
170
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171/* ADS's NOR flash */
172static struct physmap_flash_data mx27ads_flash_data = {
173 .width = 2,
174};
175
176static struct resource mx27ads_flash_resource = {
177 .start = 0xc0000000,
178 .end = 0xc0000000 + 0x02000000 - 1,
179 .flags = IORESOURCE_MEM,
180
181};
182
183static struct platform_device mx27ads_nor_mtd_device = {
184 .name = "physmap-flash",
185 .id = 0,
186 .dev = {
187 .platform_data = &mx27ads_flash_data,
188 },
189 .num_resources = 1,
190 .resource = &mx27ads_flash_resource,
191};
192
c6987159 193static const struct imxi2c_platform_data mx27ads_i2c1_data __initconst = {
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194 .bitrate = 100000,
195};
196
197static struct i2c_board_info mx27ads_i2c_devices[] = {
198};
199
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200void lcd_power(int on)
201{
202 if (on)
203 __raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_SET_REG);
204 else
205 __raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_CLEAR_REG);
206}
207
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208static struct imx_fb_videomode mx27ads_modes[] = {
209 {
210 .mode = {
211 .name = "Sharp-LQ035Q7",
212 .refresh = 60,
213 .xres = 240,
214 .yres = 320,
215 .pixclock = 188679, /* in ps (5.3MHz) */
216 .hsync_len = 1,
217 .left_margin = 9,
218 .right_margin = 16,
219 .vsync_len = 1,
220 .upper_margin = 7,
221 .lower_margin = 9,
222 },
223 .bpp = 16,
224 .pcr = 0xFB008BC0,
225 },
226};
11cda13d 227
ad851bff 228static const struct imx_fb_platform_data mx27ads_fb_data __initconst = {
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229 .mode = mx27ads_modes,
230 .num_modes = ARRAY_SIZE(mx27ads_modes),
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231
232 /*
233 * - HSYNC active high
234 * - VSYNC active high
235 * - clk notenabled while idle
236 * - clock inverted
237 * - data not inverted
238 * - data enable low active
239 * - enable sharp mode
240 */
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241 .pwmr = 0x00A903FF,
242 .lscr1 = 0x00120300,
243 .dmacr = 0x00020010,
244
245 .lcd_power = lcd_power,
246};
247
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248static int mx27ads_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
249 void *data)
250{
251 return request_irq(IRQ_GPIOE(21), detect_irq, IRQF_TRIGGER_RISING,
252 "sdhc1-card-detect", data);
253}
254
255static int mx27ads_sdhc2_init(struct device *dev, irq_handler_t detect_irq,
256 void *data)
257{
258 return request_irq(IRQ_GPIOB(7), detect_irq, IRQF_TRIGGER_RISING,
259 "sdhc2-card-detect", data);
260}
261
262static void mx27ads_sdhc1_exit(struct device *dev, void *data)
263{
264 free_irq(IRQ_GPIOE(21), data);
265}
266
267static void mx27ads_sdhc2_exit(struct device *dev, void *data)
268{
269 free_irq(IRQ_GPIOB(7), data);
270}
271
9d3d945a 272static const struct imxmmc_platform_data sdhc1_pdata __initconst = {
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273 .init = mx27ads_sdhc1_init,
274 .exit = mx27ads_sdhc1_exit,
275};
276
9d3d945a 277static const struct imxmmc_platform_data sdhc2_pdata __initconst = {
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278 .init = mx27ads_sdhc2_init,
279 .exit = mx27ads_sdhc2_exit,
280};
281
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282static struct platform_device *platform_devices[] __initdata = {
283 &mx27ads_nor_mtd_device,
c1a6f123 284};
80eedae6 285
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286static const struct imxuart_platform_data uart_pdata __initconst = {
287 .flags = IMXUART_HAVE_RTSCTS,
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288};
289
290static void __init mx27ads_board_init(void)
291{
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292 mxc_gpio_setup_multiple_pins(mx27ads_pins, ARRAY_SIZE(mx27ads_pins),
293 "mx27ads");
80eedae6 294
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295 imx27_add_imx_uart0(&uart_pdata);
296 imx27_add_imx_uart1(&uart_pdata);
297 imx27_add_imx_uart2(&uart_pdata);
298 imx27_add_imx_uart3(&uart_pdata);
299 imx27_add_imx_uart4(&uart_pdata);
300 imx27_add_imx_uart5(&uart_pdata);
0e7a29a8 301 imx27_add_mxc_nand(&mx27ads_nand_board_info);
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302
303 /* only the i2c master 1 is used on this CPU card */
304 i2c_register_board_info(1, mx27ads_i2c_devices,
305 ARRAY_SIZE(mx27ads_i2c_devices));
77a406da 306 imx27_add_imx_i2c(1, &mx27ads_i2c1_data);
ad851bff 307 imx27_add_imx_fb(&mx27ads_fb_data);
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308 imx27_add_mxc_mmc(0, &sdhc1_pdata);
309 imx27_add_mxc_mmc(1, &sdhc2_pdata);
80eedae6 310
6bd96f3c 311 imx27_add_fec(NULL);
80eedae6 312 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
ae71a562 313 imx27_add_mxc_w1(NULL);
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314}
315
316static void __init mx27ads_timer_init(void)
317{
318 unsigned long fref = 26000000;
319
320 if ((__raw_readw(PBC_VERSION_REG) & CKIH_27MHZ_BIT_SET) == 0)
321 fref = 27000000;
322
30c730f8 323 mx27_clocks_init(fref);
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324}
325
058b7a6f 326static struct sys_timer mx27ads_timer = {
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327 .init = mx27ads_timer_init,
328};
329
330static struct map_desc mx27ads_io_desc[] __initdata = {
331 {
332 .virtual = PBC_BASE_ADDRESS,
3f35d1f5 333 .pfn = __phys_to_pfn(MX27_CS4_BASE_ADDR),
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334 .length = SZ_1M,
335 .type = MT_DEVICE,
336 },
337};
338
058b7a6f 339static void __init mx27ads_map_io(void)
80eedae6 340{
cd4a05f9 341 mx27_map_io();
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342 iotable_init(mx27ads_io_desc, ARRAY_SIZE(mx27ads_io_desc));
343}
344
345MACHINE_START(MX27ADS, "Freescale i.MX27ADS")
346 /* maintainer: Freescale Semiconductor, Inc. */
34101237 347 .boot_params = MX27_PHYS_OFFSET + 0x100,
80eedae6 348 .map_io = mx27ads_map_io,
c5aa0ad0 349 .init_irq = mx27_init_irq,
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350 .init_machine = mx27ads_board_init,
351 .timer = &mx27ads_timer,
352MACHINE_END
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