ARM: imx: Change the way nand devices are registered (imx27)
[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>
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30#include <mach/gpio.h>
31#include <mach/imx-uart.h>
e835d88e 32#include <mach/iomux-mx27.h>
8d4fd258 33#include <mach/mxc_nand.h>
c981214a 34#include <mach/i2c.h>
11cda13d 35#include <mach/imxfb.h>
60c24dc7 36#include <mach/mmc.h>
80eedae6 37
0e7a29a8 38#include "devices-imx27.h"
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39#include "devices.h"
40
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41/*
42 * Base address of PBC controller, CS4
43 */
44#define PBC_BASE_ADDRESS 0xf4300000
45#define PBC_REG_ADDR(offset) (void __force __iomem *) \
46 (PBC_BASE_ADDRESS + (offset))
47
48/* When the PBC address connection is fixed in h/w, defined as 1 */
49#define PBC_ADDR_SH 0
50
51/* Offsets for the PBC Controller register */
52/*
53 * PBC Board version register offset
54 */
55#define PBC_VERSION_REG PBC_REG_ADDR(0x00000 >> PBC_ADDR_SH)
56/*
57 * PBC Board control register 1 set address.
58 */
59#define PBC_BCTRL1_SET_REG PBC_REG_ADDR(0x00008 >> PBC_ADDR_SH)
60/*
61 * PBC Board control register 1 clear address.
62 */
63#define PBC_BCTRL1_CLEAR_REG PBC_REG_ADDR(0x0000C >> PBC_ADDR_SH)
64
65/* PBC Board Control Register 1 bit definitions */
66#define PBC_BCTRL1_LCDON 0x0800 /* Enable the LCD */
67
68/* to determine the correct external crystal reference */
69#define CKIH_27MHZ_BIT_SET (1 << 3)
70
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71static unsigned int mx27ads_pins[] = {
72 /* UART0 */
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73 PE12_PF_UART1_TXD,
74 PE13_PF_UART1_RXD,
75 PE14_PF_UART1_CTS,
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76 PE15_PF_UART1_RTS,
77 /* UART1 */
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78 PE3_PF_UART2_CTS,
79 PE4_PF_UART2_RTS,
80 PE6_PF_UART2_TXD,
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81 PE7_PF_UART2_RXD,
82 /* UART2 */
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83 PE8_PF_UART3_TXD,
84 PE9_PF_UART3_RXD,
85 PE10_PF_UART3_CTS,
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86 PE11_PF_UART3_RTS,
87 /* UART3 */
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88 PB26_AF_UART4_RTS,
89 PB28_AF_UART4_TXD,
90 PB29_AF_UART4_CTS,
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91 PB31_AF_UART4_RXD,
92 /* UART4 */
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93 PB18_AF_UART5_TXD,
94 PB19_AF_UART5_RXD,
95 PB20_AF_UART5_CTS,
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96 PB21_AF_UART5_RTS,
97 /* UART5 */
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98 PB10_AF_UART6_TXD,
99 PB12_AF_UART6_CTS,
100 PB11_AF_UART6_RXD,
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101 PB13_AF_UART6_RTS,
102 /* FEC */
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103 PD0_AIN_FEC_TXD0,
104 PD1_AIN_FEC_TXD1,
105 PD2_AIN_FEC_TXD2,
106 PD3_AIN_FEC_TXD3,
107 PD4_AOUT_FEC_RX_ER,
108 PD5_AOUT_FEC_RXD1,
109 PD6_AOUT_FEC_RXD2,
110 PD7_AOUT_FEC_RXD3,
111 PD8_AF_FEC_MDIO,
112 PD9_AIN_FEC_MDC,
113 PD10_AOUT_FEC_CRS,
114 PD11_AOUT_FEC_TX_CLK,
115 PD12_AOUT_FEC_RXD0,
116 PD13_AOUT_FEC_RX_DV,
ccfe30a7 117 PD14_AOUT_FEC_RX_CLK,
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118 PD15_AOUT_FEC_COL,
119 PD16_AIN_FEC_TX_ER,
c1a6f123 120 PF23_AIN_FEC_TX_EN,
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121 /* I2C2 */
122 PC5_PF_I2C2_SDA,
123 PC6_PF_I2C2_SCL,
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124 /* FB */
125 PA5_PF_LSCLK,
126 PA6_PF_LD0,
127 PA7_PF_LD1,
128 PA8_PF_LD2,
129 PA9_PF_LD3,
130 PA10_PF_LD4,
131 PA11_PF_LD5,
132 PA12_PF_LD6,
133 PA13_PF_LD7,
134 PA14_PF_LD8,
135 PA15_PF_LD9,
136 PA16_PF_LD10,
137 PA17_PF_LD11,
138 PA18_PF_LD12,
139 PA19_PF_LD13,
140 PA20_PF_LD14,
141 PA21_PF_LD15,
142 PA22_PF_LD16,
143 PA23_PF_LD17,
144 PA24_PF_REV,
145 PA25_PF_CLS,
146 PA26_PF_PS,
147 PA27_PF_SPL_SPR,
148 PA28_PF_HSYNC,
149 PA29_PF_VSYNC,
150 PA30_PF_CONTRAST,
151 PA31_PF_OE_ACD,
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152 /* OWIRE */
153 PE16_AF_OWIRE,
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154 /* SDHC1*/
155 PE18_PF_SD1_D0,
156 PE19_PF_SD1_D1,
157 PE20_PF_SD1_D2,
158 PE21_PF_SD1_D3,
159 PE22_PF_SD1_CMD,
160 PE23_PF_SD1_CLK,
161 /* SDHC2*/
162 PB4_PF_SD2_D0,
163 PB5_PF_SD2_D1,
164 PB6_PF_SD2_D2,
165 PB7_PF_SD2_D3,
166 PB8_PF_SD2_CMD,
167 PB9_PF_SD2_CLK,
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168};
169
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170static const struct mxc_nand_platform_data
171mx27ads_nand_board_info __initconst = {
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172 .width = 1,
173 .hw_ecc = 1,
174};
175
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176/* ADS's NOR flash */
177static struct physmap_flash_data mx27ads_flash_data = {
178 .width = 2,
179};
180
181static struct resource mx27ads_flash_resource = {
182 .start = 0xc0000000,
183 .end = 0xc0000000 + 0x02000000 - 1,
184 .flags = IORESOURCE_MEM,
185
186};
187
188static struct platform_device mx27ads_nor_mtd_device = {
189 .name = "physmap-flash",
190 .id = 0,
191 .dev = {
192 .platform_data = &mx27ads_flash_data,
193 },
194 .num_resources = 1,
195 .resource = &mx27ads_flash_resource,
196};
197
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198static struct imxi2c_platform_data mx27ads_i2c_data = {
199 .bitrate = 100000,
200};
201
202static struct i2c_board_info mx27ads_i2c_devices[] = {
203};
204
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205void lcd_power(int on)
206{
207 if (on)
208 __raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_SET_REG);
209 else
210 __raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_CLEAR_REG);
211}
212
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213static struct imx_fb_videomode mx27ads_modes[] = {
214 {
215 .mode = {
216 .name = "Sharp-LQ035Q7",
217 .refresh = 60,
218 .xres = 240,
219 .yres = 320,
220 .pixclock = 188679, /* in ps (5.3MHz) */
221 .hsync_len = 1,
222 .left_margin = 9,
223 .right_margin = 16,
224 .vsync_len = 1,
225 .upper_margin = 7,
226 .lower_margin = 9,
227 },
228 .bpp = 16,
229 .pcr = 0xFB008BC0,
230 },
231};
11cda13d 232
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233static struct imx_fb_platform_data mx27ads_fb_data = {
234 .mode = mx27ads_modes,
235 .num_modes = ARRAY_SIZE(mx27ads_modes),
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236
237 /*
238 * - HSYNC active high
239 * - VSYNC active high
240 * - clk notenabled while idle
241 * - clock inverted
242 * - data not inverted
243 * - data enable low active
244 * - enable sharp mode
245 */
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246 .pwmr = 0x00A903FF,
247 .lscr1 = 0x00120300,
248 .dmacr = 0x00020010,
249
250 .lcd_power = lcd_power,
251};
252
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253static int mx27ads_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
254 void *data)
255{
256 return request_irq(IRQ_GPIOE(21), detect_irq, IRQF_TRIGGER_RISING,
257 "sdhc1-card-detect", data);
258}
259
260static int mx27ads_sdhc2_init(struct device *dev, irq_handler_t detect_irq,
261 void *data)
262{
263 return request_irq(IRQ_GPIOB(7), detect_irq, IRQF_TRIGGER_RISING,
264 "sdhc2-card-detect", data);
265}
266
267static void mx27ads_sdhc1_exit(struct device *dev, void *data)
268{
269 free_irq(IRQ_GPIOE(21), data);
270}
271
272static void mx27ads_sdhc2_exit(struct device *dev, void *data)
273{
274 free_irq(IRQ_GPIOB(7), data);
275}
276
277static struct imxmmc_platform_data sdhc1_pdata = {
278 .init = mx27ads_sdhc1_init,
279 .exit = mx27ads_sdhc1_exit,
280};
281
282static struct imxmmc_platform_data sdhc2_pdata = {
283 .init = mx27ads_sdhc2_init,
284 .exit = mx27ads_sdhc2_exit,
285};
286
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287static struct platform_device *platform_devices[] __initdata = {
288 &mx27ads_nor_mtd_device,
289 &mxc_fec_device,
9366d8f6 290 &mxc_w1_master_device,
c1a6f123 291};
80eedae6 292
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293static struct imxuart_platform_data uart_pdata[] = {
294 {
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295 .flags = IMXUART_HAVE_RTSCTS,
296 }, {
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297 .flags = IMXUART_HAVE_RTSCTS,
298 }, {
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299 .flags = IMXUART_HAVE_RTSCTS,
300 }, {
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301 .flags = IMXUART_HAVE_RTSCTS,
302 }, {
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303 .flags = IMXUART_HAVE_RTSCTS,
304 }, {
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305 .flags = IMXUART_HAVE_RTSCTS,
306 },
307};
308
309static void __init mx27ads_board_init(void)
310{
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311 mxc_gpio_setup_multiple_pins(mx27ads_pins, ARRAY_SIZE(mx27ads_pins),
312 "mx27ads");
80eedae6 313
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314 mxc_register_device(&imx2x_uart_device0, &uart_pdata[0]);
315 mxc_register_device(&imx2x_uart_device1, &uart_pdata[1]);
316 mxc_register_device(&imx2x_uart_device2, &uart_pdata[2]);
317 mxc_register_device(&imx2x_uart_device3, &uart_pdata[3]);
318 mxc_register_device(&imx2x_uart_device4, &uart_pdata[4]);
319 mxc_register_device(&imx2x_uart_device5, &uart_pdata[5]);
0e7a29a8 320 imx27_add_mxc_nand(&mx27ads_nand_board_info);
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321
322 /* only the i2c master 1 is used on this CPU card */
323 i2c_register_board_info(1, mx27ads_i2c_devices,
324 ARRAY_SIZE(mx27ads_i2c_devices));
325 mxc_register_device(&mxc_i2c_device1, &mx27ads_i2c_data);
11cda13d 326 mxc_register_device(&mxc_fb_device, &mx27ads_fb_data);
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327 mxc_register_device(&mxc_sdhc_device0, &sdhc1_pdata);
328 mxc_register_device(&mxc_sdhc_device1, &sdhc2_pdata);
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329
330 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
331}
332
333static void __init mx27ads_timer_init(void)
334{
335 unsigned long fref = 26000000;
336
337 if ((__raw_readw(PBC_VERSION_REG) & CKIH_27MHZ_BIT_SET) == 0)
338 fref = 27000000;
339
30c730f8 340 mx27_clocks_init(fref);
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341}
342
058b7a6f 343static struct sys_timer mx27ads_timer = {
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344 .init = mx27ads_timer_init,
345};
346
347static struct map_desc mx27ads_io_desc[] __initdata = {
348 {
349 .virtual = PBC_BASE_ADDRESS,
3f35d1f5 350 .pfn = __phys_to_pfn(MX27_CS4_BASE_ADDR),
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351 .length = SZ_1M,
352 .type = MT_DEVICE,
353 },
354};
355
058b7a6f 356static void __init mx27ads_map_io(void)
80eedae6 357{
cd4a05f9 358 mx27_map_io();
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359 iotable_init(mx27ads_io_desc, ARRAY_SIZE(mx27ads_io_desc));
360}
361
362MACHINE_START(MX27ADS, "Freescale i.MX27ADS")
363 /* maintainer: Freescale Semiconductor, Inc. */
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364 .phys_io = MX27_AIPI_BASE_ADDR,
365 .io_pg_offst = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
34101237 366 .boot_params = MX27_PHYS_OFFSET + 0x100,
80eedae6 367 .map_io = mx27ads_map_io,
c5aa0ad0 368 .init_irq = mx27_init_irq,
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369 .init_machine = mx27ads_board_init,
370 .timer = &mx27ads_timer,
371MACHINE_END
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