2 * Copyright (C) 2005 SAN People
3 * Copyright (C) 2007 Atmel Corporation
5 * This file is subject to the terms and conditions of the GNU General Public
6 * License. See the file COPYING in the main directory of this archive for
10 #include <linux/types.h>
11 #include <linux/init.h>
13 #include <linux/module.h>
14 #include <linux/platform_device.h>
15 #include <linux/spi/spi.h>
17 #include <linux/clk.h>
18 #include <linux/input.h>
19 #include <linux/gpio_keys.h>
21 #include <video/atmel_lcdc.h>
23 #include <asm/setup.h>
24 #include <asm/mach-types.h>
27 #include <asm/mach/arch.h>
28 #include <asm/mach/map.h>
29 #include <asm/mach/irq.h>
31 #include <mach/hardware.h>
32 #include <mach/board.h>
33 #include <mach/gpio.h>
34 #include <mach/at91sam9_smc.h>
35 #include <mach/at91_shdwc.h>
41 static void __init ek_map_io(void)
43 /* Initialize processor: 12.000 MHz crystal */
44 at91sam9rl_initialize(12000000);
46 /* DBGU on ttyS0. (Rx & Tx only) */
47 at91_register_uart(0, 0, 0);
49 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS) */
50 at91_register_uart(AT91SAM9RL_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS);
52 /* set serial console to ttyS0 (ie, DBGU) */
53 at91_set_serial_console(0);
56 static void __init ek_init_irq(void)
58 at91sam9rl_init_interrupts(NULL);
65 static struct usba_platform_data __initdata ek_usba_udc_data = {
66 .vbus_pin = AT91_PIN_PA8,
73 static struct at91_mmc_data __initdata ek_mmc_data = {
75 .det_pin = AT91_PIN_PA15,
76 // .wp_pin = ... not connected
77 // .vcc_pin = ... not connected
84 static struct mtd_partition __initdata ek_nand_partition[] = {
86 .name = "Partition 1",
91 .name = "Partition 2",
92 .offset = MTDPART_OFS_NXTBLK,
93 .size = MTDPART_SIZ_FULL,
97 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
99 *num_partitions = ARRAY_SIZE(ek_nand_partition);
100 return ek_nand_partition;
103 static struct atmel_nand_data __initdata ek_nand_data = {
106 // .det_pin = ... not connected
107 .rdy_pin = AT91_PIN_PD17,
108 .enable_pin = AT91_PIN_PB6,
109 .partition_info = nand_partitions,
112 static struct sam9_smc_config __initdata ek_nand_smc_config = {
115 .ncs_write_setup = 0,
120 .ncs_write_pulse = 3,
126 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
130 static void __init ek_add_device_nand(void)
132 /* configure chip-select 3 (NAND) */
133 sam9_smc_configure(3, &ek_nand_smc_config);
135 at91_add_device_nand(&ek_nand_data);
142 static struct spi_board_info ek_spi_devices[] = {
143 { /* DataFlash chip */
144 .modalias = "mtd_dataflash",
146 .max_speed_hz = 15 * 1000 * 1000,
155 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
156 static struct fb_videomode at91_tft_vga_modes[] = {
158 .name = "TX09D50VM1CCA @ 60",
160 .xres = 240, .yres = 320,
161 .pixclock = KHZ2PICOS(4965),
163 .left_margin = 1, .right_margin = 33,
164 .upper_margin = 1, .lower_margin = 0,
165 .hsync_len = 5, .vsync_len = 1,
167 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
168 .vmode = FB_VMODE_NONINTERLACED,
172 static struct fb_monspecs at91fb_default_monspecs = {
173 .manufacturer = "HIT",
174 .monitor = "TX09D50VM1CCA",
176 .modedb = at91_tft_vga_modes,
177 .modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
184 #define AT91SAM9RL_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
185 | ATMEL_LCDC_DISTYPE_TFT \
186 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
188 static void at91_lcdc_power_control(int on)
191 at91_set_gpio_value(AT91_PIN_PC1, 0); /* power up */
193 at91_set_gpio_value(AT91_PIN_PC1, 1); /* power down */
197 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
198 .lcdcon_is_backlight = true,
200 .default_dmacon = ATMEL_LCDC_DMAEN,
201 .default_lcdcon2 = AT91SAM9RL_DEFAULT_LCDCON2,
202 .default_monspecs = &at91fb_default_monspecs,
203 .atmel_lcdfb_power_control = at91_lcdc_power_control,
205 .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
209 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
215 * reset_pin is not connected: NRST
217 static struct ac97c_platform_data ek_ac97_data = {
224 static struct gpio_led ek_leds[] = {
225 { /* "bottom" led, green, userled1 to be defined */
227 .gpio = AT91_PIN_PD15,
229 .default_trigger = "none",
231 { /* "bottom" led, green, userled2 to be defined */
233 .gpio = AT91_PIN_PD16,
235 .default_trigger = "none",
237 { /* "power" led, yellow */
239 .gpio = AT91_PIN_PD14,
240 .default_trigger = "heartbeat",
248 static struct at91_tsadcc_data ek_tsadcc_data = {
249 .adc_clock = 1000000,
250 .pendet_debounce = 0x0f,
251 .ts_sample_hold_time = 0x03,
258 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
259 static struct gpio_keys_button ek_buttons[] = {
261 .gpio = AT91_PIN_PB0,
263 .desc = "Right Click",
268 .gpio = AT91_PIN_PB1,
270 .desc = "Left Click",
276 static struct gpio_keys_platform_data ek_button_data = {
277 .buttons = ek_buttons,
278 .nbuttons = ARRAY_SIZE(ek_buttons),
281 static struct platform_device ek_button_device = {
286 .platform_data = &ek_button_data,
290 static void __init ek_add_device_buttons(void)
292 at91_set_gpio_input(AT91_PIN_PB1, 1); /* btn1 */
293 at91_set_deglitch(AT91_PIN_PB1, 1);
294 at91_set_gpio_input(AT91_PIN_PB0, 1); /* btn2 */
295 at91_set_deglitch(AT91_PIN_PB0, 1);
297 platform_device_register(&ek_button_device);
300 static void __init ek_add_device_buttons(void) {}
304 static void __init ek_board_init(void)
307 at91_add_device_serial();
309 at91_add_device_usba(&ek_usba_udc_data);
311 at91_add_device_i2c(NULL, 0);
313 ek_add_device_nand();
315 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
317 at91_add_device_mmc(0, &ek_mmc_data);
319 at91_add_device_lcdc(&ek_lcdc_data);
321 at91_add_device_ac97(&ek_ac97_data);
322 /* Touch Screen Controller */
323 at91_add_device_tsadcc(&ek_tsadcc_data);
325 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
327 ek_add_device_buttons();
330 MACHINE_START(AT91SAM9RLEK, "Atmel AT91SAM9RL-EK")
331 /* Maintainer: Atmel */
332 .phys_io = AT91_BASE_SYS,
333 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
334 .boot_params = AT91_SDRAM_BASE + 0x100,
335 .timer = &at91sam926x_timer,
337 .init_irq = ek_init_irq,
338 .init_machine = ek_board_init,