Merge branch 'topic/misc' into topic/pcsp-fix
[linux-2.6] / arch / arm / mach-at91 / board-cap9adk.c
1 /*
2  * linux/arch/arm/mach-at91/board-cap9adk.c
3  *
4  *  Copyright (C) 2007 Stelian Pop <stelian.pop@leadtechdesign.com>
5  *  Copyright (C) 2007 Lead Tech Design <www.leadtechdesign.com>
6  *  Copyright (C) 2005 SAN People
7  *  Copyright (C) 2007 Atmel Corporation.
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
22  */
23
24 #include <linux/types.h>
25 #include <linux/init.h>
26 #include <linux/mm.h>
27 #include <linux/module.h>
28 #include <linux/platform_device.h>
29 #include <linux/spi/spi.h>
30 #include <linux/spi/ads7846.h>
31 #include <linux/fb.h>
32 #include <linux/mtd/physmap.h>
33
34 #include <video/atmel_lcdc.h>
35
36 #include <mach/hardware.h>
37 #include <asm/setup.h>
38 #include <asm/mach-types.h>
39 #include <asm/irq.h>
40
41 #include <asm/mach/arch.h>
42 #include <asm/mach/map.h>
43 #include <asm/mach/irq.h>
44
45 #include <mach/board.h>
46 #include <mach/gpio.h>
47 #include <mach/at91cap9_matrix.h>
48 #include <mach/at91sam9_smc.h>
49
50 #include "generic.h"
51
52
53 static void __init cap9adk_map_io(void)
54 {
55         /* Initialize processor: 12 MHz crystal */
56         at91cap9_initialize(12000000);
57
58         /* Setup the LEDs: USER1 and USER2 LED for cpu/timer... */
59         at91_init_leds(AT91_PIN_PA10, AT91_PIN_PA11);
60         /* ... POWER LED always on */
61         at91_set_gpio_output(AT91_PIN_PC29, 1);
62
63         /* Setup the serial ports and console */
64         at91_register_uart(0, 0, 0);            /* DBGU = ttyS0 */
65         at91_set_serial_console(0);
66 }
67
68 static void __init cap9adk_init_irq(void)
69 {
70         at91cap9_init_interrupts(NULL);
71 }
72
73
74 /*
75  * USB Host port
76  */
77 static struct at91_usbh_data __initdata cap9adk_usbh_data = {
78         .ports          = 2,
79 };
80
81 /*
82  * USB HS Device port
83  */
84 static struct usba_platform_data __initdata cap9adk_usba_udc_data = {
85         .vbus_pin       = AT91_PIN_PB31,
86 };
87
88 /*
89  * ADS7846 Touchscreen
90  */
91 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
92 static int ads7843_pendown_state(void)
93 {
94         return !at91_get_gpio_value(AT91_PIN_PC4);      /* Touchscreen PENIRQ */
95 }
96
97 static struct ads7846_platform_data ads_info = {
98         .model                  = 7843,
99         .x_min                  = 150,
100         .x_max                  = 3830,
101         .y_min                  = 190,
102         .y_max                  = 3830,
103         .vref_delay_usecs       = 100,
104         .x_plate_ohms           = 450,
105         .y_plate_ohms           = 250,
106         .pressure_max           = 15000,
107         .debounce_max           = 1,
108         .debounce_rep           = 0,
109         .debounce_tol           = (~0),
110         .get_pendown_state      = ads7843_pendown_state,
111 };
112
113 static void __init cap9adk_add_device_ts(void)
114 {
115         at91_set_gpio_input(AT91_PIN_PC4, 1);   /* Touchscreen PENIRQ */
116         at91_set_gpio_input(AT91_PIN_PC5, 1);   /* Touchscreen BUSY */
117 }
118 #else
119 static void __init cap9adk_add_device_ts(void) {}
120 #endif
121
122
123 /*
124  * SPI devices.
125  */
126 static struct spi_board_info cap9adk_spi_devices[] = {
127 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
128         {       /* DataFlash card */
129                 .modalias       = "mtd_dataflash",
130                 .chip_select    = 0,
131                 .max_speed_hz   = 15 * 1000 * 1000,
132                 .bus_num        = 0,
133         },
134 #endif
135 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
136         {
137                 .modalias       = "ads7846",
138                 .chip_select    = 3,            /* can be 2 or 3, depending on J2 jumper */
139                 .max_speed_hz   = 125000 * 26,  /* (max sample rate @ 3V) * (cmd + data + overhead) */
140                 .bus_num        = 0,
141                 .platform_data  = &ads_info,
142                 .irq            = AT91_PIN_PC4,
143         },
144 #endif
145 };
146
147
148 /*
149  * MCI (SD/MMC)
150  */
151 static struct at91_mmc_data __initdata cap9adk_mmc_data = {
152         .wire4          = 1,
153 //      .det_pin        = ... not connected
154 //      .wp_pin         = ... not connected
155 //      .vcc_pin        = ... not connected
156 };
157
158
159 /*
160  * MACB Ethernet device
161  */
162 static struct at91_eth_data __initdata cap9adk_macb_data = {
163         .is_rmii        = 1,
164 };
165
166
167 /*
168  * NAND flash
169  */
170 static struct mtd_partition __initdata cap9adk_nand_partitions[] = {
171         {
172                 .name   = "NAND partition",
173                 .offset = 0,
174                 .size   = MTDPART_SIZ_FULL,
175         },
176 };
177
178 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
179 {
180         *num_partitions = ARRAY_SIZE(cap9adk_nand_partitions);
181         return cap9adk_nand_partitions;
182 }
183
184 static struct atmel_nand_data __initdata cap9adk_nand_data = {
185         .ale            = 21,
186         .cle            = 22,
187 //      .det_pin        = ... not connected
188 //      .rdy_pin        = ... not connected
189         .enable_pin     = AT91_PIN_PD15,
190         .partition_info = nand_partitions,
191 #if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
192         .bus_width_16   = 1,
193 #else
194         .bus_width_16   = 0,
195 #endif
196 };
197
198
199 /*
200  * NOR flash
201  */
202 static struct mtd_partition cap9adk_nor_partitions[] = {
203         {
204                 .name           = "NOR partition",
205                 .offset         = 0,
206                 .size           = MTDPART_SIZ_FULL,
207         },
208 };
209
210 static struct physmap_flash_data cap9adk_nor_data = {
211         .width          = 2,
212         .parts          = cap9adk_nor_partitions,
213         .nr_parts       = ARRAY_SIZE(cap9adk_nor_partitions),
214 };
215
216 #define NOR_BASE        AT91_CHIPSELECT_0
217 #define NOR_SIZE        SZ_8M
218
219 static struct resource nor_flash_resources[] = {
220         {
221                 .start  = NOR_BASE,
222                 .end    = NOR_BASE + NOR_SIZE - 1,
223                 .flags  = IORESOURCE_MEM,
224         }
225 };
226
227 static struct platform_device cap9adk_nor_flash = {
228         .name           = "physmap-flash",
229         .id             = 0,
230         .dev            = {
231                                 .platform_data  = &cap9adk_nor_data,
232         },
233         .resource       = nor_flash_resources,
234         .num_resources  = ARRAY_SIZE(nor_flash_resources),
235 };
236
237 static __init void cap9adk_add_device_nor(void)
238 {
239         unsigned long csa;
240
241         csa = at91_sys_read(AT91_MATRIX_EBICSA);
242         at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_EBI_VDDIOMSEL_3_3V);
243
244         /* set the bus interface characteristics */
245         at91_sys_write(AT91_SMC_SETUP(0), AT91_SMC_NWESETUP_(4) | AT91_SMC_NCS_WRSETUP_(2)
246                         | AT91_SMC_NRDSETUP_(4) | AT91_SMC_NCS_RDSETUP_(2));
247
248         at91_sys_write(AT91_SMC_PULSE(0), AT91_SMC_NWEPULSE_(8) | AT91_SMC_NCS_WRPULSE_(10)
249                         | AT91_SMC_NRDPULSE_(8) | AT91_SMC_NCS_RDPULSE_(10));
250
251         at91_sys_write(AT91_SMC_CYCLE(0), AT91_SMC_NWECYCLE_(16) | AT91_SMC_NRDCYCLE_(16));
252
253         at91_sys_write(AT91_SMC_MODE(0), AT91_SMC_READMODE | AT91_SMC_WRITEMODE
254                         | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE
255                         | AT91_SMC_DBW_16 | AT91_SMC_TDF_(1));
256
257         platform_device_register(&cap9adk_nor_flash);
258 }
259
260
261 /*
262  * LCD Controller
263  */
264 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
265 static struct fb_videomode at91_tft_vga_modes[] = {
266         {
267                 .name           = "TX09D50VM1CCA @ 60",
268                 .refresh        = 60,
269                 .xres           = 240,          .yres           = 320,
270                 .pixclock       = KHZ2PICOS(4965),
271
272                 .left_margin    = 1,            .right_margin   = 33,
273                 .upper_margin   = 1,            .lower_margin   = 0,
274                 .hsync_len      = 5,            .vsync_len      = 1,
275
276                 .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
277                 .vmode          = FB_VMODE_NONINTERLACED,
278         },
279 };
280
281 static struct fb_monspecs at91fb_default_monspecs = {
282         .manufacturer   = "HIT",
283         .monitor        = "TX09D70VM1CCA",
284
285         .modedb         = at91_tft_vga_modes,
286         .modedb_len     = ARRAY_SIZE(at91_tft_vga_modes),
287         .hfmin          = 15000,
288         .hfmax          = 64000,
289         .vfmin          = 50,
290         .vfmax          = 150,
291 };
292
293 #define AT91CAP9_DEFAULT_LCDCON2        (ATMEL_LCDC_MEMOR_LITTLE \
294                                         | ATMEL_LCDC_DISTYPE_TFT    \
295                                         | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
296
297 static void at91_lcdc_power_control(int on)
298 {
299         if (on)
300                 at91_set_gpio_value(AT91_PIN_PC0, 0);   /* power up */
301         else
302                 at91_set_gpio_value(AT91_PIN_PC0, 1);   /* power down */
303 }
304
305 /* Driver datas */
306 static struct atmel_lcdfb_info __initdata cap9adk_lcdc_data = {
307         .default_bpp                    = 16,
308         .default_dmacon                 = ATMEL_LCDC_DMAEN,
309         .default_lcdcon2                = AT91CAP9_DEFAULT_LCDCON2,
310         .default_monspecs               = &at91fb_default_monspecs,
311         .atmel_lcdfb_power_control      = at91_lcdc_power_control,
312         .guard_time                     = 1,
313 };
314
315 #else
316 static struct atmel_lcdfb_info __initdata cap9adk_lcdc_data;
317 #endif
318
319
320 /*
321  * AC97
322  */
323 static struct atmel_ac97_data cap9adk_ac97_data = {
324 //      .reset_pin      = ... not connected
325 };
326
327
328 static void __init cap9adk_board_init(void)
329 {
330         /* Serial */
331         at91_add_device_serial();
332         /* USB Host */
333         set_irq_type(AT91CAP9_ID_UHP, IRQ_TYPE_LEVEL_HIGH);
334         at91_add_device_usbh(&cap9adk_usbh_data);
335         /* USB HS */
336         set_irq_type(AT91CAP9_ID_UDPHS, IRQ_TYPE_LEVEL_HIGH);
337         at91_add_device_usba(&cap9adk_usba_udc_data);
338         /* SPI */
339         at91_add_device_spi(cap9adk_spi_devices, ARRAY_SIZE(cap9adk_spi_devices));
340         /* Touchscreen */
341         cap9adk_add_device_ts();
342         /* MMC */
343         at91_add_device_mmc(1, &cap9adk_mmc_data);
344         /* Ethernet */
345         at91_add_device_eth(&cap9adk_macb_data);
346         /* NAND */
347         at91_add_device_nand(&cap9adk_nand_data);
348         /* NOR Flash */
349         cap9adk_add_device_nor();
350         /* I2C */
351         at91_add_device_i2c(NULL, 0);
352         /* LCD Controller */
353         set_irq_type(AT91CAP9_ID_LCDC, IRQ_TYPE_LEVEL_HIGH);
354         at91_add_device_lcdc(&cap9adk_lcdc_data);
355         /* AC97 */
356         at91_add_device_ac97(&cap9adk_ac97_data);
357 }
358
359 MACHINE_START(AT91CAP9ADK, "Atmel AT91CAP9A-DK")
360         /* Maintainer: Stelian Pop <stelian.pop@leadtechdesign.com> */
361         .phys_io        = AT91_BASE_SYS,
362         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
363         .boot_params    = AT91_SDRAM_BASE + 0x100,
364         .timer          = &at91sam926x_timer,
365         .map_io         = cap9adk_map_io,
366         .init_irq       = cap9adk_init_irq,
367         .init_machine   = cap9adk_board_init,
368 MACHINE_END