2 * linux/arch/arm/mach-at91/board-cap9adk.c
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.
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.
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.
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
24 #include <linux/types.h>
25 #include <linux/init.h>
27 #include <linux/module.h>
28 #include <linux/platform_device.h>
29 #include <linux/spi/spi.h>
30 #include <linux/spi/ads7846.h>
32 #include <linux/mtd/physmap.h>
34 #include <video/atmel_lcdc.h>
36 #include <mach/hardware.h>
37 #include <asm/setup.h>
38 #include <asm/mach-types.h>
40 #include <asm/mach/arch.h>
41 #include <asm/mach/map.h>
43 #include <mach/board.h>
44 #include <mach/gpio.h>
45 #include <mach/at91cap9_matrix.h>
46 #include <mach/at91sam9_smc.h>
52 static void __init
cap9adk_map_io(void)
54 /* Initialize processor: 12 MHz crystal */
55 at91cap9_initialize(12000000);
57 /* Setup the LEDs: USER1 and USER2 LED for cpu/timer... */
58 at91_init_leds(AT91_PIN_PA10
, AT91_PIN_PA11
);
59 /* ... POWER LED always on */
60 at91_set_gpio_output(AT91_PIN_PC29
, 1);
62 /* Setup the serial ports and console */
63 at91_register_uart(0, 0, 0); /* DBGU = ttyS0 */
64 at91_set_serial_console(0);
67 static void __init
cap9adk_init_irq(void)
69 at91cap9_init_interrupts(NULL
);
76 static struct at91_usbh_data __initdata cap9adk_usbh_data
= {
83 static struct usba_platform_data __initdata cap9adk_usba_udc_data
= {
84 .vbus_pin
= AT91_PIN_PB31
,
90 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
91 static int ads7843_pendown_state(void)
93 return !at91_get_gpio_value(AT91_PIN_PC4
); /* Touchscreen PENIRQ */
96 static struct ads7846_platform_data ads_info
= {
102 .vref_delay_usecs
= 100,
105 .pressure_max
= 15000,
108 .debounce_tol
= (~0),
109 .get_pendown_state
= ads7843_pendown_state
,
112 static void __init
cap9adk_add_device_ts(void)
114 at91_set_gpio_input(AT91_PIN_PC4
, 1); /* Touchscreen PENIRQ */
115 at91_set_gpio_input(AT91_PIN_PC5
, 1); /* Touchscreen BUSY */
118 static void __init
cap9adk_add_device_ts(void) {}
125 static struct spi_board_info cap9adk_spi_devices
[] = {
126 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
127 { /* DataFlash card */
128 .modalias
= "mtd_dataflash",
130 .max_speed_hz
= 15 * 1000 * 1000,
134 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
136 .modalias
= "ads7846",
137 .chip_select
= 3, /* can be 2 or 3, depending on J2 jumper */
138 .max_speed_hz
= 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
140 .platform_data
= &ads_info
,
150 static struct at91_mmc_data __initdata cap9adk_mmc_data
= {
152 // .det_pin = ... not connected
153 // .wp_pin = ... not connected
154 // .vcc_pin = ... not connected
159 * MACB Ethernet device
161 static struct at91_eth_data __initdata cap9adk_macb_data
= {
169 static struct mtd_partition __initdata cap9adk_nand_partitions
[] = {
171 .name
= "NAND partition",
173 .size
= MTDPART_SIZ_FULL
,
177 static struct mtd_partition
* __init
nand_partitions(int size
, int *num_partitions
)
179 *num_partitions
= ARRAY_SIZE(cap9adk_nand_partitions
);
180 return cap9adk_nand_partitions
;
183 static struct atmel_nand_data __initdata cap9adk_nand_data
= {
186 // .det_pin = ... not connected
187 // .rdy_pin = ... not connected
188 .enable_pin
= AT91_PIN_PD15
,
189 .partition_info
= nand_partitions
,
190 #if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
197 static struct sam9_smc_config __initdata cap9adk_nand_smc_config
= {
200 .ncs_write_setup
= 1,
205 .ncs_write_pulse
= 6,
211 .mode
= AT91_SMC_READMODE
| AT91_SMC_WRITEMODE
| AT91_SMC_EXNWMODE_DISABLE
,
215 static void __init
cap9adk_add_device_nand(void)
219 csa
= at91_sys_read(AT91_MATRIX_EBICSA
);
220 at91_sys_write(AT91_MATRIX_EBICSA
, csa
| AT91_MATRIX_EBI_VDDIOMSEL_3_3V
);
222 /* setup bus-width (8 or 16) */
223 if (cap9adk_nand_data
.bus_width_16
)
224 cap9adk_nand_smc_config
.mode
|= AT91_SMC_DBW_16
;
226 cap9adk_nand_smc_config
.mode
|= AT91_SMC_DBW_8
;
228 /* configure chip-select 3 (NAND) */
229 sam9_smc_configure(3, &cap9adk_nand_smc_config
);
231 at91_add_device_nand(&cap9adk_nand_data
);
238 static struct mtd_partition cap9adk_nor_partitions
[] = {
240 .name
= "NOR partition",
242 .size
= MTDPART_SIZ_FULL
,
246 static struct physmap_flash_data cap9adk_nor_data
= {
248 .parts
= cap9adk_nor_partitions
,
249 .nr_parts
= ARRAY_SIZE(cap9adk_nor_partitions
),
252 #define NOR_BASE AT91_CHIPSELECT_0
253 #define NOR_SIZE SZ_8M
255 static struct resource nor_flash_resources
[] = {
258 .end
= NOR_BASE
+ NOR_SIZE
- 1,
259 .flags
= IORESOURCE_MEM
,
263 static struct platform_device cap9adk_nor_flash
= {
264 .name
= "physmap-flash",
267 .platform_data
= &cap9adk_nor_data
,
269 .resource
= nor_flash_resources
,
270 .num_resources
= ARRAY_SIZE(nor_flash_resources
),
273 static struct sam9_smc_config __initdata cap9adk_nor_smc_config
= {
276 .ncs_write_setup
= 2,
279 .ncs_read_pulse
= 10,
281 .ncs_write_pulse
= 10,
287 .mode
= AT91_SMC_READMODE
| AT91_SMC_WRITEMODE
| AT91_SMC_EXNWMODE_DISABLE
| AT91_SMC_BAT_WRITE
| AT91_SMC_DBW_16
,
291 static __init
void cap9adk_add_device_nor(void)
295 csa
= at91_sys_read(AT91_MATRIX_EBICSA
);
296 at91_sys_write(AT91_MATRIX_EBICSA
, csa
| AT91_MATRIX_EBI_VDDIOMSEL_3_3V
);
298 /* configure chip-select 0 (NOR) */
299 sam9_smc_configure(0, &cap9adk_nor_smc_config
);
301 platform_device_register(&cap9adk_nor_flash
);
308 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
309 static struct fb_videomode at91_tft_vga_modes
[] = {
311 .name
= "TX09D50VM1CCA @ 60",
313 .xres
= 240, .yres
= 320,
314 .pixclock
= KHZ2PICOS(4965),
316 .left_margin
= 1, .right_margin
= 33,
317 .upper_margin
= 1, .lower_margin
= 0,
318 .hsync_len
= 5, .vsync_len
= 1,
320 .sync
= FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
321 .vmode
= FB_VMODE_NONINTERLACED
,
325 static struct fb_monspecs at91fb_default_monspecs
= {
326 .manufacturer
= "HIT",
327 .monitor
= "TX09D70VM1CCA",
329 .modedb
= at91_tft_vga_modes
,
330 .modedb_len
= ARRAY_SIZE(at91_tft_vga_modes
),
337 #define AT91CAP9_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
338 | ATMEL_LCDC_DISTYPE_TFT \
339 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
341 static void at91_lcdc_power_control(int on
)
344 at91_set_gpio_value(AT91_PIN_PC0
, 0); /* power up */
346 at91_set_gpio_value(AT91_PIN_PC0
, 1); /* power down */
350 static struct atmel_lcdfb_info __initdata cap9adk_lcdc_data
= {
352 .default_dmacon
= ATMEL_LCDC_DMAEN
,
353 .default_lcdcon2
= AT91CAP9_DEFAULT_LCDCON2
,
354 .default_monspecs
= &at91fb_default_monspecs
,
355 .atmel_lcdfb_power_control
= at91_lcdc_power_control
,
360 static struct atmel_lcdfb_info __initdata cap9adk_lcdc_data
;
367 static struct atmel_ac97_data cap9adk_ac97_data
= {
368 // .reset_pin = ... not connected
372 static void __init
cap9adk_board_init(void)
375 at91_add_device_serial();
377 at91_add_device_usbh(&cap9adk_usbh_data
);
379 at91_add_device_usba(&cap9adk_usba_udc_data
);
381 at91_add_device_spi(cap9adk_spi_devices
, ARRAY_SIZE(cap9adk_spi_devices
));
383 cap9adk_add_device_ts();
385 at91_add_device_mmc(1, &cap9adk_mmc_data
);
387 at91_add_device_eth(&cap9adk_macb_data
);
389 cap9adk_add_device_nand();
391 cap9adk_add_device_nor();
393 at91_add_device_i2c(NULL
, 0);
395 at91_add_device_lcdc(&cap9adk_lcdc_data
);
397 at91_add_device_ac97(&cap9adk_ac97_data
);
400 MACHINE_START(AT91CAP9ADK
, "Atmel AT91CAP9A-DK")
401 /* Maintainer: Stelian Pop <stelian.pop@leadtechdesign.com> */
402 .phys_io
= AT91_BASE_SYS
,
403 .io_pg_offst
= (AT91_VA_BASE_SYS
>> 18) & 0xfffc,
404 .boot_params
= AT91_SDRAM_BASE
+ 0x100,
405 .timer
= &at91sam926x_timer
,
406 .map_io
= cap9adk_map_io
,
407 .init_irq
= cap9adk_init_irq
,
408 .init_machine
= cap9adk_board_init
,