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ARM: imx: rename mxc_uart_devicex to follow a common naming scheme
[net-next-2.6.git] / arch / arm / mach-imx / mach-mx27ads.c
CommitLineData
80eedae6
JB
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.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21#include <linux/platform_device.h>
22#include <linux/mtd/mtd.h>
23#include <linux/mtd/map.h>
24#include <linux/mtd/partitions.h>
25#include <linux/mtd/physmap.h>
c981214a 26#include <linux/i2c.h>
60c24dc7 27#include <linux/irq.h>
a09e64fb
RK
28#include <mach/common.h>
29#include <mach/hardware.h>
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30#include <asm/mach-types.h>
31#include <asm/mach/arch.h>
32#include <asm/mach/time.h>
33#include <asm/mach/map.h>
a09e64fb
RK
34#include <mach/gpio.h>
35#include <mach/imx-uart.h>
e835d88e 36#include <mach/iomux-mx27.h>
8d4fd258 37#include <mach/mxc_nand.h>
c981214a 38#include <mach/i2c.h>
11cda13d 39#include <mach/imxfb.h>
60c24dc7 40#include <mach/mmc.h>
80eedae6 41
7e90534a
SH
42#include "devices.h"
43
1faeaab2
UKK
44/*
45 * Base address of PBC controller, CS4
46 */
47#define PBC_BASE_ADDRESS 0xf4300000
48#define PBC_REG_ADDR(offset) (void __force __iomem *) \
49 (PBC_BASE_ADDRESS + (offset))
50
51/* When the PBC address connection is fixed in h/w, defined as 1 */
52#define PBC_ADDR_SH 0
53
54/* Offsets for the PBC Controller register */
55/*
56 * PBC Board version register offset
57 */
58#define PBC_VERSION_REG PBC_REG_ADDR(0x00000 >> PBC_ADDR_SH)
59/*
60 * PBC Board control register 1 set address.
61 */
62#define PBC_BCTRL1_SET_REG PBC_REG_ADDR(0x00008 >> PBC_ADDR_SH)
63/*
64 * PBC Board control register 1 clear address.
65 */
66#define PBC_BCTRL1_CLEAR_REG PBC_REG_ADDR(0x0000C >> PBC_ADDR_SH)
67
68/* PBC Board Control Register 1 bit definitions */
69#define PBC_BCTRL1_LCDON 0x0800 /* Enable the LCD */
70
71/* to determine the correct external crystal reference */
72#define CKIH_27MHZ_BIT_SET (1 << 3)
73
c1a6f123
VB
74static unsigned int mx27ads_pins[] = {
75 /* UART0 */
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JB
76 PE12_PF_UART1_TXD,
77 PE13_PF_UART1_RXD,
78 PE14_PF_UART1_CTS,
c1a6f123
VB
79 PE15_PF_UART1_RTS,
80 /* UART1 */
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JB
81 PE3_PF_UART2_CTS,
82 PE4_PF_UART2_RTS,
83 PE6_PF_UART2_TXD,
c1a6f123
VB
84 PE7_PF_UART2_RXD,
85 /* UART2 */
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86 PE8_PF_UART3_TXD,
87 PE9_PF_UART3_RXD,
88 PE10_PF_UART3_CTS,
c1a6f123
VB
89 PE11_PF_UART3_RTS,
90 /* UART3 */
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JB
91 PB26_AF_UART4_RTS,
92 PB28_AF_UART4_TXD,
93 PB29_AF_UART4_CTS,
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VB
94 PB31_AF_UART4_RXD,
95 /* UART4 */
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JB
96 PB18_AF_UART5_TXD,
97 PB19_AF_UART5_RXD,
98 PB20_AF_UART5_CTS,
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VB
99 PB21_AF_UART5_RTS,
100 /* UART5 */
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101 PB10_AF_UART6_TXD,
102 PB12_AF_UART6_CTS,
103 PB11_AF_UART6_RXD,
c1a6f123
VB
104 PB13_AF_UART6_RTS,
105 /* FEC */
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JB
106 PD0_AIN_FEC_TXD0,
107 PD1_AIN_FEC_TXD1,
108 PD2_AIN_FEC_TXD2,
109 PD3_AIN_FEC_TXD3,
110 PD4_AOUT_FEC_RX_ER,
111 PD5_AOUT_FEC_RXD1,
112 PD6_AOUT_FEC_RXD2,
113 PD7_AOUT_FEC_RXD3,
114 PD8_AF_FEC_MDIO,
115 PD9_AIN_FEC_MDC,
116 PD10_AOUT_FEC_CRS,
117 PD11_AOUT_FEC_TX_CLK,
118 PD12_AOUT_FEC_RXD0,
119 PD13_AOUT_FEC_RX_DV,
ccfe30a7 120 PD14_AOUT_FEC_RX_CLK,
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121 PD15_AOUT_FEC_COL,
122 PD16_AIN_FEC_TX_ER,
c1a6f123 123 PF23_AIN_FEC_TX_EN,
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VB
124 /* I2C2 */
125 PC5_PF_I2C2_SDA,
126 PC6_PF_I2C2_SCL,
11cda13d
VB
127 /* FB */
128 PA5_PF_LSCLK,
129 PA6_PF_LD0,
130 PA7_PF_LD1,
131 PA8_PF_LD2,
132 PA9_PF_LD3,
133 PA10_PF_LD4,
134 PA11_PF_LD5,
135 PA12_PF_LD6,
136 PA13_PF_LD7,
137 PA14_PF_LD8,
138 PA15_PF_LD9,
139 PA16_PF_LD10,
140 PA17_PF_LD11,
141 PA18_PF_LD12,
142 PA19_PF_LD13,
143 PA20_PF_LD14,
144 PA21_PF_LD15,
145 PA22_PF_LD16,
146 PA23_PF_LD17,
147 PA24_PF_REV,
148 PA25_PF_CLS,
149 PA26_PF_PS,
150 PA27_PF_SPL_SPR,
151 PA28_PF_HSYNC,
152 PA29_PF_VSYNC,
153 PA30_PF_CONTRAST,
154 PA31_PF_OE_ACD,
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VB
155 /* OWIRE */
156 PE16_AF_OWIRE,
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VB
157 /* SDHC1*/
158 PE18_PF_SD1_D0,
159 PE19_PF_SD1_D1,
160 PE20_PF_SD1_D2,
161 PE21_PF_SD1_D3,
162 PE22_PF_SD1_CMD,
163 PE23_PF_SD1_CLK,
164 /* SDHC2*/
165 PB4_PF_SD2_D0,
166 PB5_PF_SD2_D1,
167 PB6_PF_SD2_D2,
168 PB7_PF_SD2_D3,
169 PB8_PF_SD2_CMD,
170 PB9_PF_SD2_CLK,
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171};
172
8d4fd258
VB
173static struct mxc_nand_platform_data mx27ads_nand_board_info = {
174 .width = 1,
175 .hw_ecc = 1,
176};
177
c1a6f123
VB
178/* ADS's NOR flash */
179static struct physmap_flash_data mx27ads_flash_data = {
180 .width = 2,
181};
182
183static struct resource mx27ads_flash_resource = {
184 .start = 0xc0000000,
185 .end = 0xc0000000 + 0x02000000 - 1,
186 .flags = IORESOURCE_MEM,
187
188};
189
190static struct platform_device mx27ads_nor_mtd_device = {
191 .name = "physmap-flash",
192 .id = 0,
193 .dev = {
194 .platform_data = &mx27ads_flash_data,
195 },
196 .num_resources = 1,
197 .resource = &mx27ads_flash_resource,
198};
199
c981214a
VB
200static struct imxi2c_platform_data mx27ads_i2c_data = {
201 .bitrate = 100000,
202};
203
204static struct i2c_board_info mx27ads_i2c_devices[] = {
205};
206
11cda13d
VB
207void lcd_power(int on)
208{
209 if (on)
210 __raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_SET_REG);
211 else
212 __raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_CLEAR_REG);
213}
214
343684ff
SH
215static struct imx_fb_videomode mx27ads_modes[] = {
216 {
217 .mode = {
218 .name = "Sharp-LQ035Q7",
219 .refresh = 60,
220 .xres = 240,
221 .yres = 320,
222 .pixclock = 188679, /* in ps (5.3MHz) */
223 .hsync_len = 1,
224 .left_margin = 9,
225 .right_margin = 16,
226 .vsync_len = 1,
227 .upper_margin = 7,
228 .lower_margin = 9,
229 },
230 .bpp = 16,
231 .pcr = 0xFB008BC0,
232 },
233};
11cda13d 234
343684ff
SH
235static struct imx_fb_platform_data mx27ads_fb_data = {
236 .mode = mx27ads_modes,
237 .num_modes = ARRAY_SIZE(mx27ads_modes),
11cda13d
VB
238
239 /*
240 * - HSYNC active high
241 * - VSYNC active high
242 * - clk notenabled while idle
243 * - clock inverted
244 * - data not inverted
245 * - data enable low active
246 * - enable sharp mode
247 */
11cda13d
VB
248 .pwmr = 0x00A903FF,
249 .lscr1 = 0x00120300,
250 .dmacr = 0x00020010,
251
252 .lcd_power = lcd_power,
253};
254
60c24dc7
VB
255static int mx27ads_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
256 void *data)
257{
258 return request_irq(IRQ_GPIOE(21), detect_irq, IRQF_TRIGGER_RISING,
259 "sdhc1-card-detect", data);
260}
261
262static int mx27ads_sdhc2_init(struct device *dev, irq_handler_t detect_irq,
263 void *data)
264{
265 return request_irq(IRQ_GPIOB(7), detect_irq, IRQF_TRIGGER_RISING,
266 "sdhc2-card-detect", data);
267}
268
269static void mx27ads_sdhc1_exit(struct device *dev, void *data)
270{
271 free_irq(IRQ_GPIOE(21), data);
272}
273
274static void mx27ads_sdhc2_exit(struct device *dev, void *data)
275{
276 free_irq(IRQ_GPIOB(7), data);
277}
278
279static struct imxmmc_platform_data sdhc1_pdata = {
280 .init = mx27ads_sdhc1_init,
281 .exit = mx27ads_sdhc1_exit,
282};
283
284static struct imxmmc_platform_data sdhc2_pdata = {
285 .init = mx27ads_sdhc2_init,
286 .exit = mx27ads_sdhc2_exit,
287};
288
c1a6f123
VB
289static struct platform_device *platform_devices[] __initdata = {
290 &mx27ads_nor_mtd_device,
291 &mxc_fec_device,
9366d8f6 292 &mxc_w1_master_device,
c1a6f123 293};
80eedae6 294
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JB
295static struct imxuart_platform_data uart_pdata[] = {
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 }, {
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307 .flags = IMXUART_HAVE_RTSCTS,
308 },
309};
310
311static void __init mx27ads_board_init(void)
312{
c1a6f123
VB
313 mxc_gpio_setup_multiple_pins(mx27ads_pins, ARRAY_SIZE(mx27ads_pins),
314 "mx27ads");
80eedae6 315
551823e7
UKK
316 mxc_register_device(&imx2x_uart_device0, &uart_pdata[0]);
317 mxc_register_device(&imx2x_uart_device1, &uart_pdata[1]);
318 mxc_register_device(&imx2x_uart_device2, &uart_pdata[2]);
319 mxc_register_device(&imx2x_uart_device3, &uart_pdata[3]);
320 mxc_register_device(&imx2x_uart_device4, &uart_pdata[4]);
321 mxc_register_device(&imx2x_uart_device5, &uart_pdata[5]);
3636a145 322 mxc_register_device(&imx27_nand_device, &mx27ads_nand_board_info);
c981214a
VB
323
324 /* only the i2c master 1 is used on this CPU card */
325 i2c_register_board_info(1, mx27ads_i2c_devices,
326 ARRAY_SIZE(mx27ads_i2c_devices));
327 mxc_register_device(&mxc_i2c_device1, &mx27ads_i2c_data);
11cda13d 328 mxc_register_device(&mxc_fb_device, &mx27ads_fb_data);
60c24dc7
VB
329 mxc_register_device(&mxc_sdhc_device0, &sdhc1_pdata);
330 mxc_register_device(&mxc_sdhc_device1, &sdhc2_pdata);
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331
332 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
333}
334
335static void __init mx27ads_timer_init(void)
336{
337 unsigned long fref = 26000000;
338
339 if ((__raw_readw(PBC_VERSION_REG) & CKIH_27MHZ_BIT_SET) == 0)
340 fref = 27000000;
341
30c730f8 342 mx27_clocks_init(fref);
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343}
344
058b7a6f 345static struct sys_timer mx27ads_timer = {
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346 .init = mx27ads_timer_init,
347};
348
349static struct map_desc mx27ads_io_desc[] __initdata = {
350 {
351 .virtual = PBC_BASE_ADDRESS,
3f35d1f5 352 .pfn = __phys_to_pfn(MX27_CS4_BASE_ADDR),
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JB
353 .length = SZ_1M,
354 .type = MT_DEVICE,
355 },
356};
357
058b7a6f 358static void __init mx27ads_map_io(void)
80eedae6 359{
cd4a05f9 360 mx27_map_io();
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JB
361 iotable_init(mx27ads_io_desc, ARRAY_SIZE(mx27ads_io_desc));
362}
363
364MACHINE_START(MX27ADS, "Freescale i.MX27ADS")
365 /* maintainer: Freescale Semiconductor, Inc. */
3f35d1f5
UKK
366 .phys_io = MX27_AIPI_BASE_ADDR,
367 .io_pg_offst = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
34101237 368 .boot_params = MX27_PHYS_OFFSET + 0x100,
80eedae6 369 .map_io = mx27ads_map_io,
c5aa0ad0 370 .init_irq = mx27_init_irq,
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JB
371 .init_machine = mx27ads_board_init,
372 .timer = &mx27ads_timer,
373MACHINE_END