2 * linux/arch/arm/mach-at91/board-sam9261ek.c
4 * Copyright (C) 2005 SAN People
5 * Copyright (C) 2006 Atmel
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include <linux/types.h>
23 #include <linux/init.h>
25 #include <linux/module.h>
26 #include <linux/platform_device.h>
27 #include <linux/spi/spi.h>
28 #include <linux/spi/ads7846.h>
29 #include <linux/dm9000.h>
32 #include <video/atmel_lcdc.h>
34 #include <asm/hardware.h>
35 #include <asm/setup.h>
36 #include <asm/mach-types.h>
39 #include <asm/mach/arch.h>
40 #include <asm/mach/map.h>
41 #include <asm/mach/irq.h>
43 #include <asm/arch/board.h>
44 #include <asm/arch/gpio.h>
45 #include <asm/arch/at91sam926x_mc.h>
51 * Serial port configuration.
52 * 0 .. 2 = USART0 .. USART2
55 static struct at91_uart_config __initdata ek_uart_config = {
56 .console_tty = 0, /* ttyS0 */
58 .tty_map = { 3, -1, -1, -1 } /* ttyS0, ..., ttyS3 */
61 static void __init ek_map_io(void)
63 /* Initialize processor: 18.432 MHz crystal */
64 at91sam9261_initialize(18432000);
67 at91_init_leds(AT91_PIN_PA13, AT91_PIN_PA14);
69 /* Setup the serial ports and console */
70 at91_init_serial(&ek_uart_config);
73 static void __init ek_init_irq(void)
75 at91sam9261_init_interrupts(NULL);
80 * DM9000 ethernet device
82 #if defined(CONFIG_DM9000)
83 static struct resource at91sam9261_dm9000_resource[] = {
85 .start = AT91_CHIPSELECT_2,
86 .end = AT91_CHIPSELECT_2 + 3,
87 .flags = IORESOURCE_MEM
90 .start = AT91_CHIPSELECT_2 + 0x44,
91 .end = AT91_CHIPSELECT_2 + 0xFF,
92 .flags = IORESOURCE_MEM
95 .start = AT91_PIN_PC11,
97 .flags = IORESOURCE_IRQ
101 static struct dm9000_plat_data dm9000_platdata = {
102 .flags = DM9000_PLATF_16BITONLY,
105 static struct platform_device at91sam9261_dm9000_device = {
108 .num_resources = ARRAY_SIZE(at91sam9261_dm9000_resource),
109 .resource = at91sam9261_dm9000_resource,
111 .platform_data = &dm9000_platdata,
115 static void __init ek_add_device_dm9000(void)
118 * Configure Chip-Select 2 on SMC for the DM9000.
119 * Note: These timings were calculated for MASTER_CLOCK = 100000000
120 * according to the DM9000 timings.
122 at91_sys_write(AT91_SMC_SETUP(2), AT91_SMC_NWESETUP_(2) | AT91_SMC_NCS_WRSETUP_(0) | AT91_SMC_NRDSETUP_(2) | AT91_SMC_NCS_RDSETUP_(0));
123 at91_sys_write(AT91_SMC_PULSE(2), AT91_SMC_NWEPULSE_(4) | AT91_SMC_NCS_WRPULSE_(8) | AT91_SMC_NRDPULSE_(4) | AT91_SMC_NCS_RDPULSE_(8));
124 at91_sys_write(AT91_SMC_CYCLE(2), AT91_SMC_NWECYCLE_(16) | AT91_SMC_NRDCYCLE_(16));
125 at91_sys_write(AT91_SMC_MODE(2), AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_16 | AT91_SMC_TDF_(1));
127 /* Configure Reset signal as output */
128 at91_set_gpio_output(AT91_PIN_PC10, 0);
130 /* Configure Interrupt pin as input, no pull-up */
131 at91_set_gpio_input(AT91_PIN_PC11, 0);
133 platform_device_register(&at91sam9261_dm9000_device);
136 static void __init ek_add_device_dm9000(void) {}
137 #endif /* CONFIG_DM9000 */
143 static struct at91_usbh_data __initdata ek_usbh_data = {
151 static struct at91_udc_data __initdata ek_udc_data = {
152 .vbus_pin = AT91_PIN_PB29,
153 .pullup_pin = 0, /* pull-up driven by UDC */
160 static struct at91_mmc_data __initdata ek_mmc_data = {
162 // .det_pin = ... not connected
163 // .wp_pin = ... not connected
164 // .vcc_pin = ... not connected
171 static struct mtd_partition __initdata ek_nand_partition[] = {
173 .name = "Partition 1",
178 .name = "Partition 2",
179 .offset = 256 * 1024 ,
180 .size = MTDPART_SIZ_FULL,
184 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
186 *num_partitions = ARRAY_SIZE(ek_nand_partition);
187 return ek_nand_partition;
190 static struct at91_nand_data __initdata ek_nand_data = {
193 // .det_pin = ... not connected
194 .rdy_pin = AT91_PIN_PC15,
195 .enable_pin = AT91_PIN_PC14,
196 .partition_info = nand_partitions,
197 #if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
205 * ADS7846 Touchscreen
207 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
209 static int ads7843_pendown_state(void)
211 return !at91_get_gpio_value(AT91_PIN_PC2); /* Touchscreen PENIRQ */
214 static struct ads7846_platform_data ads_info = {
220 .vref_delay_usecs = 100,
223 .pressure_max = 15000,
226 .debounce_tol = (~0),
227 .get_pendown_state = ads7843_pendown_state,
230 static void __init ek_add_device_ts(void)
232 at91_set_B_periph(AT91_PIN_PC2, 1); /* External IRQ0, with pullup */
233 at91_set_gpio_input(AT91_PIN_PA11, 1); /* Touchscreen BUSY signal */
236 static void __init ek_add_device_ts(void) {}
242 static struct spi_board_info ek_spi_devices[] = {
243 { /* DataFlash chip */
244 .modalias = "mtd_dataflash",
246 .max_speed_hz = 15 * 1000 * 1000,
249 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
251 .modalias = "ads7846",
253 .max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
255 .platform_data = &ads_info,
256 .irq = AT91SAM9261_ID_IRQ0,
259 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
260 { /* DataFlash card - jumper (J12) configurable to CS3 or CS0 */
261 .modalias = "mtd_dataflash",
263 .max_speed_hz = 15 * 1000 * 1000,
266 #elif defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
268 .modalias = "at73c213",
270 .max_speed_hz = 10 * 1000 * 1000,
280 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
281 static struct fb_videomode at91_tft_vga_modes[] = {
283 .name = "TX09D50VM1CCA @ 60",
285 .xres = 240, .yres = 320,
286 .pixclock = KHZ2PICOS(4965),
288 .left_margin = 1, .right_margin = 33,
289 .upper_margin = 1, .lower_margin = 0,
290 .hsync_len = 5, .vsync_len = 1,
292 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
293 .vmode = FB_VMODE_NONINTERLACED,
297 static struct fb_monspecs at91fb_default_monspecs = {
298 .manufacturer = "HIT",
299 .monitor = "TX09D50VM1CCA",
301 .modedb = at91_tft_vga_modes,
302 .modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
309 #define AT91SAM9261_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
310 | ATMEL_LCDC_DISTYPE_TFT \
311 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
313 static void at91_lcdc_power_control(int on)
316 at91_set_gpio_value(AT91_PIN_PA12, 0); /* power up */
318 at91_set_gpio_value(AT91_PIN_PA12, 1); /* power down */
322 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
324 .default_dmacon = ATMEL_LCDC_DMAEN,
325 .default_lcdcon2 = AT91SAM9261_DEFAULT_LCDCON2,
326 .default_monspecs = &at91fb_default_monspecs,
327 .atmel_lcdfb_power_control = at91_lcdc_power_control,
332 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
336 static void __init ek_board_init(void)
339 at91_add_device_serial();
341 at91_add_device_usbh(&ek_usbh_data);
343 at91_add_device_udc(&ek_udc_data);
345 at91_add_device_i2c();
347 at91_add_device_nand(&ek_nand_data);
348 /* DM9000 ethernet */
349 ek_add_device_dm9000();
351 /* spi0 and mmc/sd share the same PIO pins */
352 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
354 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
359 at91_add_device_mmc(0, &ek_mmc_data);
362 at91_add_device_lcdc(&ek_lcdc_data);
365 MACHINE_START(AT91SAM9261EK, "Atmel AT91SAM9261-EK")
366 /* Maintainer: Atmel */
367 .phys_io = AT91_BASE_SYS,
368 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
369 .boot_params = AT91_SDRAM_BASE + 0x100,
370 .timer = &at91sam926x_timer,
372 .init_irq = ek_init_irq,
373 .init_machine = ek_board_init,