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>
41 #include <asm/mach/arch.h>
42 #include <asm/mach/map.h>
43 #include <asm/mach/irq.h>
45 #include <mach/board.h>
46 #include <mach/gpio.h>
47 #include <mach/at91cap9_matrix.h>
48 #include <mach/at91sam9_smc.h>
54 static void __init cap9adk_map_io(void)
56 /* Initialize processor: 12 MHz crystal */
57 at91cap9_initialize(12000000);
59 /* Setup the LEDs: USER1 and USER2 LED for cpu/timer... */
60 at91_init_leds(AT91_PIN_PA10, AT91_PIN_PA11);
61 /* ... POWER LED always on */
62 at91_set_gpio_output(AT91_PIN_PC29, 1);
64 /* Setup the serial ports and console */
65 at91_register_uart(0, 0, 0); /* DBGU = ttyS0 */
66 at91_set_serial_console(0);
69 static void __init cap9adk_init_irq(void)
71 at91cap9_init_interrupts(NULL);
78 static struct at91_usbh_data __initdata cap9adk_usbh_data = {
85 static struct usba_platform_data __initdata cap9adk_usba_udc_data = {
86 .vbus_pin = AT91_PIN_PB31,
92 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
93 static int ads7843_pendown_state(void)
95 return !at91_get_gpio_value(AT91_PIN_PC4); /* Touchscreen PENIRQ */
98 static struct ads7846_platform_data ads_info = {
104 .vref_delay_usecs = 100,
107 .pressure_max = 15000,
110 .debounce_tol = (~0),
111 .get_pendown_state = ads7843_pendown_state,
114 static void __init cap9adk_add_device_ts(void)
116 at91_set_gpio_input(AT91_PIN_PC4, 1); /* Touchscreen PENIRQ */
117 at91_set_gpio_input(AT91_PIN_PC5, 1); /* Touchscreen BUSY */
120 static void __init cap9adk_add_device_ts(void) {}
127 static struct spi_board_info cap9adk_spi_devices[] = {
128 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
129 { /* DataFlash card */
130 .modalias = "mtd_dataflash",
132 .max_speed_hz = 15 * 1000 * 1000,
136 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
138 .modalias = "ads7846",
139 .chip_select = 3, /* can be 2 or 3, depending on J2 jumper */
140 .max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
142 .platform_data = &ads_info,
152 static struct at91_mmc_data __initdata cap9adk_mmc_data = {
154 // .det_pin = ... not connected
155 // .wp_pin = ... not connected
156 // .vcc_pin = ... not connected
161 * MACB Ethernet device
163 static struct at91_eth_data __initdata cap9adk_macb_data = {
171 static struct mtd_partition __initdata cap9adk_nand_partitions[] = {
173 .name = "NAND partition",
175 .size = MTDPART_SIZ_FULL,
179 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
181 *num_partitions = ARRAY_SIZE(cap9adk_nand_partitions);
182 return cap9adk_nand_partitions;
185 static struct atmel_nand_data __initdata cap9adk_nand_data = {
188 // .det_pin = ... not connected
189 // .rdy_pin = ... not connected
190 .enable_pin = AT91_PIN_PD15,
191 .partition_info = nand_partitions,
192 #if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
199 static struct sam9_smc_config __initdata cap9adk_nand_smc_config = {
202 .ncs_write_setup = 1,
207 .ncs_write_pulse = 6,
213 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
217 static void __init cap9adk_add_device_nand(void)
221 csa = at91_sys_read(AT91_MATRIX_EBICSA);
222 at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_EBI_VDDIOMSEL_3_3V);
224 /* setup bus-width (8 or 16) */
225 if (cap9adk_nand_data.bus_width_16)
226 cap9adk_nand_smc_config.mode |= AT91_SMC_DBW_16;
228 cap9adk_nand_smc_config.mode |= AT91_SMC_DBW_8;
230 /* configure chip-select 3 (NAND) */
231 sam9_smc_configure(3, &cap9adk_nand_smc_config);
233 at91_add_device_nand(&cap9adk_nand_data);
240 static struct mtd_partition cap9adk_nor_partitions[] = {
242 .name = "NOR partition",
244 .size = MTDPART_SIZ_FULL,
248 static struct physmap_flash_data cap9adk_nor_data = {
250 .parts = cap9adk_nor_partitions,
251 .nr_parts = ARRAY_SIZE(cap9adk_nor_partitions),
254 #define NOR_BASE AT91_CHIPSELECT_0
255 #define NOR_SIZE SZ_8M
257 static struct resource nor_flash_resources[] = {
260 .end = NOR_BASE + NOR_SIZE - 1,
261 .flags = IORESOURCE_MEM,
265 static struct platform_device cap9adk_nor_flash = {
266 .name = "physmap-flash",
269 .platform_data = &cap9adk_nor_data,
271 .resource = nor_flash_resources,
272 .num_resources = ARRAY_SIZE(nor_flash_resources),
275 static struct sam9_smc_config __initdata cap9adk_nor_smc_config = {
278 .ncs_write_setup = 2,
281 .ncs_read_pulse = 10,
283 .ncs_write_pulse = 10,
289 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_16,
293 static __init void cap9adk_add_device_nor(void)
297 csa = at91_sys_read(AT91_MATRIX_EBICSA);
298 at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_EBI_VDDIOMSEL_3_3V);
300 /* configure chip-select 0 (NOR) */
301 sam9_smc_configure(0, &cap9adk_nor_smc_config);
303 platform_device_register(&cap9adk_nor_flash);
310 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
311 static struct fb_videomode at91_tft_vga_modes[] = {
313 .name = "TX09D50VM1CCA @ 60",
315 .xres = 240, .yres = 320,
316 .pixclock = KHZ2PICOS(4965),
318 .left_margin = 1, .right_margin = 33,
319 .upper_margin = 1, .lower_margin = 0,
320 .hsync_len = 5, .vsync_len = 1,
322 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
323 .vmode = FB_VMODE_NONINTERLACED,
327 static struct fb_monspecs at91fb_default_monspecs = {
328 .manufacturer = "HIT",
329 .monitor = "TX09D70VM1CCA",
331 .modedb = at91_tft_vga_modes,
332 .modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
339 #define AT91CAP9_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
340 | ATMEL_LCDC_DISTYPE_TFT \
341 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
343 static void at91_lcdc_power_control(int on)
346 at91_set_gpio_value(AT91_PIN_PC0, 0); /* power up */
348 at91_set_gpio_value(AT91_PIN_PC0, 1); /* power down */
352 static struct atmel_lcdfb_info __initdata cap9adk_lcdc_data = {
354 .default_dmacon = ATMEL_LCDC_DMAEN,
355 .default_lcdcon2 = AT91CAP9_DEFAULT_LCDCON2,
356 .default_monspecs = &at91fb_default_monspecs,
357 .atmel_lcdfb_power_control = at91_lcdc_power_control,
362 static struct atmel_lcdfb_info __initdata cap9adk_lcdc_data;
369 static struct atmel_ac97_data cap9adk_ac97_data = {
370 // .reset_pin = ... not connected
374 static void __init cap9adk_board_init(void)
377 at91_add_device_serial();
379 set_irq_type(AT91CAP9_ID_UHP, IRQ_TYPE_LEVEL_HIGH);
380 at91_add_device_usbh(&cap9adk_usbh_data);
382 set_irq_type(AT91CAP9_ID_UDPHS, IRQ_TYPE_LEVEL_HIGH);
383 at91_add_device_usba(&cap9adk_usba_udc_data);
385 at91_add_device_spi(cap9adk_spi_devices, ARRAY_SIZE(cap9adk_spi_devices));
387 cap9adk_add_device_ts();
389 at91_add_device_mmc(1, &cap9adk_mmc_data);
391 at91_add_device_eth(&cap9adk_macb_data);
393 cap9adk_add_device_nand();
395 cap9adk_add_device_nor();
397 at91_add_device_i2c(NULL, 0);
399 set_irq_type(AT91CAP9_ID_LCDC, IRQ_TYPE_LEVEL_HIGH);
400 at91_add_device_lcdc(&cap9adk_lcdc_data);
402 at91_add_device_ac97(&cap9adk_ac97_data);
405 MACHINE_START(AT91CAP9ADK, "Atmel AT91CAP9A-DK")
406 /* Maintainer: Stelian Pop <stelian.pop@leadtechdesign.com> */
407 .phys_io = AT91_BASE_SYS,
408 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
409 .boot_params = AT91_SDRAM_BASE + 0x100,
410 .timer = &at91sam926x_timer,
411 .map_io = cap9adk_map_io,
412 .init_irq = cap9adk_init_irq,
413 .init_machine = cap9adk_board_init,