Merge branches 'release', 'acpi_pm_device_sleep_state' and 'battery' into release
[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 <asm/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 <asm/arch/board.h>
46 #include <asm/arch/gpio.h>
47 #include <asm/arch/at91cap9_matrix.h>
48 #include <asm/arch/at91sam926x_mc.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 /*
83  * ADS7846 Touchscreen
84  */
85 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
86 static int ads7843_pendown_state(void)
87 {
88         return !at91_get_gpio_value(AT91_PIN_PC4);      /* Touchscreen PENIRQ */
89 }
90
91 static struct ads7846_platform_data ads_info = {
92         .model                  = 7843,
93         .x_min                  = 150,
94         .x_max                  = 3830,
95         .y_min                  = 190,
96         .y_max                  = 3830,
97         .vref_delay_usecs       = 100,
98         .x_plate_ohms           = 450,
99         .y_plate_ohms           = 250,
100         .pressure_max           = 15000,
101         .debounce_max           = 1,
102         .debounce_rep           = 0,
103         .debounce_tol           = (~0),
104         .get_pendown_state      = ads7843_pendown_state,
105 };
106
107 static void __init cap9adk_add_device_ts(void)
108 {
109         at91_set_gpio_input(AT91_PIN_PC4, 1);   /* Touchscreen PENIRQ */
110         at91_set_gpio_input(AT91_PIN_PC5, 1);   /* Touchscreen BUSY */
111 }
112 #else
113 static void __init cap9adk_add_device_ts(void) {}
114 #endif
115
116
117 /*
118  * SPI devices.
119  */
120 static struct spi_board_info cap9adk_spi_devices[] = {
121 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
122         {       /* DataFlash card */
123                 .modalias       = "mtd_dataflash",
124                 .chip_select    = 0,
125                 .max_speed_hz   = 15 * 1000 * 1000,
126                 .bus_num        = 0,
127         },
128 #endif
129 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
130         {
131                 .modalias       = "ads7846",
132                 .chip_select    = 3,            /* can be 2 or 3, depending on J2 jumper */
133                 .max_speed_hz   = 125000 * 26,  /* (max sample rate @ 3V) * (cmd + data + overhead) */
134                 .bus_num        = 0,
135                 .platform_data  = &ads_info,
136                 .irq            = AT91_PIN_PC4,
137         },
138 #endif
139 };
140
141
142 /*
143  * MCI (SD/MMC)
144  */
145 static struct at91_mmc_data __initdata cap9adk_mmc_data = {
146         .wire4          = 1,
147 //      .det_pin        = ... not connected
148 //      .wp_pin         = ... not connected
149 //      .vcc_pin        = ... not connected
150 };
151
152
153 /*
154  * MACB Ethernet device
155  */
156 static struct at91_eth_data __initdata cap9adk_macb_data = {
157         .is_rmii        = 1,
158 };
159
160
161 /*
162  * NAND flash
163  */
164 static struct mtd_partition __initdata cap9adk_nand_partitions[] = {
165         {
166                 .name   = "NAND partition",
167                 .offset = 0,
168                 .size   = MTDPART_SIZ_FULL,
169         },
170 };
171
172 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
173 {
174         *num_partitions = ARRAY_SIZE(cap9adk_nand_partitions);
175         return cap9adk_nand_partitions;
176 }
177
178 static struct at91_nand_data __initdata cap9adk_nand_data = {
179         .ale            = 21,
180         .cle            = 22,
181 //      .det_pin        = ... not connected
182 //      .rdy_pin        = ... not connected
183         .enable_pin     = AT91_PIN_PD15,
184         .partition_info = nand_partitions,
185 #if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
186         .bus_width_16   = 1,
187 #else
188         .bus_width_16   = 0,
189 #endif
190 };
191
192
193 /*
194  * NOR flash
195  */
196 static struct mtd_partition cap9adk_nor_partitions[] = {
197         {
198                 .name           = "NOR partition",
199                 .offset         = 0,
200                 .size           = MTDPART_SIZ_FULL,
201         },
202 };
203
204 static struct physmap_flash_data cap9adk_nor_data = {
205         .width          = 2,
206         .parts          = cap9adk_nor_partitions,
207         .nr_parts       = ARRAY_SIZE(cap9adk_nor_partitions),
208 };
209
210 #define NOR_BASE        AT91_CHIPSELECT_0
211 #define NOR_SIZE        0x800000
212
213 static struct resource nor_flash_resources[] = {
214         {
215                 .start  = NOR_BASE,
216                 .end    = NOR_BASE + NOR_SIZE - 1,
217                 .flags  = IORESOURCE_MEM,
218         }
219 };
220
221 static struct platform_device cap9adk_nor_flash = {
222         .name           = "physmap-flash",
223         .id             = 0,
224         .dev            = {
225                                 .platform_data  = &cap9adk_nor_data,
226         },
227         .resource       = nor_flash_resources,
228         .num_resources  = ARRAY_SIZE(nor_flash_resources),
229 };
230
231 static __init void cap9adk_add_device_nor(void)
232 {
233         unsigned long csa;
234
235         csa = at91_sys_read(AT91_MATRIX_EBICSA);
236         at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_EBI_VDDIOMSEL_3_3V);
237
238         /* set the bus interface characteristics */
239         at91_sys_write(AT91_SMC_SETUP(0), AT91_SMC_NWESETUP_(4) | AT91_SMC_NCS_WRSETUP_(2)
240                         | AT91_SMC_NRDSETUP_(4) | AT91_SMC_NCS_RDSETUP_(2));
241
242         at91_sys_write(AT91_SMC_PULSE(0), AT91_SMC_NWEPULSE_(8) | AT91_SMC_NCS_WRPULSE_(10)
243                         | AT91_SMC_NRDPULSE_(8) | AT91_SMC_NCS_RDPULSE_(10));
244
245         at91_sys_write(AT91_SMC_CYCLE(0), AT91_SMC_NWECYCLE_(16) | AT91_SMC_NRDCYCLE_(16));
246
247         at91_sys_write(AT91_SMC_MODE(0), AT91_SMC_READMODE | AT91_SMC_WRITEMODE
248                         | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE
249                         | AT91_SMC_DBW_16 | AT91_SMC_TDF_(1));
250
251         platform_device_register(&cap9adk_nor_flash);
252 }
253
254
255 /*
256  * LCD Controller
257  */
258 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
259 static struct fb_videomode at91_tft_vga_modes[] = {
260         {
261                 .name           = "TX09D50VM1CCA @ 60",
262                 .refresh        = 60,
263                 .xres           = 240,          .yres           = 320,
264                 .pixclock       = KHZ2PICOS(4965),
265
266                 .left_margin    = 1,            .right_margin   = 33,
267                 .upper_margin   = 1,            .lower_margin   = 0,
268                 .hsync_len      = 5,            .vsync_len      = 1,
269
270                 .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
271                 .vmode          = FB_VMODE_NONINTERLACED,
272         },
273 };
274
275 static struct fb_monspecs at91fb_default_monspecs = {
276         .manufacturer   = "HIT",
277         .monitor        = "TX09D70VM1CCA",
278
279         .modedb         = at91_tft_vga_modes,
280         .modedb_len     = ARRAY_SIZE(at91_tft_vga_modes),
281         .hfmin          = 15000,
282         .hfmax          = 64000,
283         .vfmin          = 50,
284         .vfmax          = 150,
285 };
286
287 #define AT91CAP9_DEFAULT_LCDCON2        (ATMEL_LCDC_MEMOR_LITTLE \
288                                         | ATMEL_LCDC_DISTYPE_TFT    \
289                                         | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
290
291 static void at91_lcdc_power_control(int on)
292 {
293         if (on)
294                 at91_set_gpio_value(AT91_PIN_PC0, 0);   /* power up */
295         else
296                 at91_set_gpio_value(AT91_PIN_PC0, 1);   /* power down */
297 }
298
299 /* Driver datas */
300 static struct atmel_lcdfb_info __initdata cap9adk_lcdc_data = {
301         .default_bpp                    = 16,
302         .default_dmacon                 = ATMEL_LCDC_DMAEN,
303         .default_lcdcon2                = AT91CAP9_DEFAULT_LCDCON2,
304         .default_monspecs               = &at91fb_default_monspecs,
305         .atmel_lcdfb_power_control      = at91_lcdc_power_control,
306         .guard_time                     = 1,
307 };
308
309 #else
310 static struct atmel_lcdfb_info __initdata cap9adk_lcdc_data;
311 #endif
312
313
314 /*
315  * AC97
316  */
317 static struct atmel_ac97_data cap9adk_ac97_data = {
318 //      .reset_pin      = ... not connected
319 };
320
321
322 static void __init cap9adk_board_init(void)
323 {
324         /* Serial */
325         at91_add_device_serial();
326         /* USB Host */
327         set_irq_type(AT91CAP9_ID_UHP, IRQT_HIGH);
328         at91_add_device_usbh(&cap9adk_usbh_data);
329         /* SPI */
330         at91_add_device_spi(cap9adk_spi_devices, ARRAY_SIZE(cap9adk_spi_devices));
331         /* Touchscreen */
332         cap9adk_add_device_ts();
333         /* MMC */
334         at91_add_device_mmc(1, &cap9adk_mmc_data);
335         /* Ethernet */
336         at91_add_device_eth(&cap9adk_macb_data);
337         /* NAND */
338         at91_add_device_nand(&cap9adk_nand_data);
339         /* NOR Flash */
340         cap9adk_add_device_nor();
341         /* I2C */
342         at91_add_device_i2c(NULL, 0);
343         /* LCD Controller */
344         set_irq_type(AT91CAP9_ID_LCDC, IRQT_HIGH);
345         at91_add_device_lcdc(&cap9adk_lcdc_data);
346         /* AC97 */
347         at91_add_device_ac97(&cap9adk_ac97_data);
348 }
349
350 MACHINE_START(AT91CAP9ADK, "Atmel AT91CAP9A-DK")
351         /* Maintainer: Stelian Pop <stelian.pop@leadtechdesign.com> */
352         .phys_io        = AT91_BASE_SYS,
353         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
354         .boot_params    = AT91_SDRAM_BASE + 0x100,
355         .timer          = &at91sam926x_timer,
356         .map_io         = cap9adk_map_io,
357         .init_irq       = cap9adk_init_irq,
358         .init_machine   = cap9adk_board_init,
359 MACHINE_END