2 * linux/arch/arm/mach-at91/board-cpu9krea.c
4 * Copyright (C) 2005 SAN People
5 * Copyright (C) 2006 Atmel
6 * Copyright (C) 2009 Eric Benard - eric@eukrea.com
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #include <linux/types.h>
24 #include <linux/gpio.h>
25 #include <linux/init.h>
27 #include <linux/module.h>
28 #include <linux/platform_device.h>
29 #include <linux/clk.h>
30 #include <linux/gpio_keys.h>
31 #include <linux/input.h>
32 #include <linux/mtd/physmap.h>
34 #include <asm/setup.h>
35 #include <asm/mach-types.h>
38 #include <asm/mach/arch.h>
39 #include <asm/mach/map.h>
40 #include <asm/mach/irq.h>
42 #include <mach/hardware.h>
43 #include <mach/at91sam9_smc.h>
44 #include <mach/at91sam9260_matrix.h>
45 #include <mach/at91_matrix.h>
52 static void __init cpu9krea_init_early(void)
54 /* Initialize processor: 18.432 MHz crystal */
55 at91_initialize(18432000);
61 static struct at91_usbh_data __initdata cpu9krea_usbh_data = {
63 .vbus_pin = {-EINVAL, -EINVAL},
64 .overcurrent_pin= {-EINVAL, -EINVAL},
70 static struct at91_udc_data __initdata cpu9krea_udc_data = {
71 .vbus_pin = AT91_PIN_PC8,
72 .pullup_pin = -EINVAL, /* pull-up driven by UDC */
76 * MACB Ethernet device
78 static struct macb_platform_data __initdata cpu9krea_macb_data = {
79 .phy_irq_pin = -EINVAL,
86 static struct atmel_nand_data __initdata cpu9krea_nand_data = {
89 .rdy_pin = AT91_PIN_PC13,
90 .enable_pin = AT91_PIN_PC14,
93 .ecc_mode = NAND_ECC_SOFT,
96 #ifdef CONFIG_MACH_CPU9260
97 static struct sam9_smc_config __initdata cpu9krea_nand_smc_config = {
100 .ncs_write_setup = 0,
105 .ncs_write_pulse = 3,
111 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE
112 | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
116 static struct sam9_smc_config __initdata cpu9krea_nand_smc_config = {
119 .ncs_write_setup = 0,
124 .ncs_write_pulse = 4,
130 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE
131 | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
136 static void __init cpu9krea_add_device_nand(void)
138 sam9_smc_configure(0, 3, &cpu9krea_nand_smc_config);
139 at91_add_device_nand(&cpu9krea_nand_data);
145 static struct physmap_flash_data cpuat9260_nor_data = {
149 #define NOR_BASE AT91_CHIPSELECT_0
150 #define NOR_SIZE SZ_64M
152 static struct resource nor_flash_resources[] = {
155 .end = NOR_BASE + NOR_SIZE - 1,
156 .flags = IORESOURCE_MEM,
160 static struct platform_device cpu9krea_nor_flash = {
161 .name = "physmap-flash",
164 .platform_data = &cpuat9260_nor_data,
166 .resource = nor_flash_resources,
167 .num_resources = ARRAY_SIZE(nor_flash_resources),
170 #ifdef CONFIG_MACH_CPU9260
171 static struct sam9_smc_config __initdata cpu9krea_nor_smc_config = {
174 .ncs_write_setup = 0,
177 .ncs_read_pulse = 10,
179 .ncs_write_pulse = 6,
185 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE
186 | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE
191 static struct sam9_smc_config __initdata cpu9krea_nor_smc_config = {
194 .ncs_write_setup = 0,
197 .ncs_read_pulse = 13,
199 .ncs_write_pulse = 8,
205 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE
206 | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE
212 static __init void cpu9krea_add_device_nor(void)
216 csa = at91_matrix_read(AT91_MATRIX_EBICSA);
217 at91_matrix_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_VDDIOMSEL_3_3V);
219 /* configure chip-select 0 (NOR) */
220 sam9_smc_configure(0, 0, &cpu9krea_nor_smc_config);
222 platform_device_register(&cpu9krea_nor_flash);
228 static struct gpio_led cpu9krea_leds[] = {
231 .gpio = AT91_PIN_PC11,
233 .default_trigger = "timer",
237 .gpio = AT91_PIN_PC12,
239 .default_trigger = "heartbeat",
243 .gpio = AT91_PIN_PC7,
245 .default_trigger = "none",
249 .gpio = AT91_PIN_PC9,
251 .default_trigger = "none",
255 static struct i2c_board_info __initdata cpu9krea_i2c_devices[] = {
257 I2C_BOARD_INFO("ds1339", 0x68),
264 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
265 static struct gpio_keys_button cpu9krea_buttons[] = {
267 .gpio = AT91_PIN_PC3,
274 .gpio = AT91_PIN_PB20,
282 static struct gpio_keys_platform_data cpu9krea_button_data = {
283 .buttons = cpu9krea_buttons,
284 .nbuttons = ARRAY_SIZE(cpu9krea_buttons),
287 static struct platform_device cpu9krea_button_device = {
292 .platform_data = &cpu9krea_button_data,
296 static void __init cpu9krea_add_device_buttons(void)
298 at91_set_gpio_input(AT91_PIN_PC3, 1); /* BP1 */
299 at91_set_deglitch(AT91_PIN_PC3, 1);
300 at91_set_gpio_input(AT91_PIN_PB20, 1); /* BP2 */
301 at91_set_deglitch(AT91_PIN_PB20, 1);
303 platform_device_register(&cpu9krea_button_device);
306 static void __init cpu9krea_add_device_buttons(void)
314 static struct mci_platform_data __initdata cpu9krea_mci0_data = {
317 .detect_pin = AT91_PIN_PA29,
322 static void __init cpu9krea_board_init(void)
325 cpu9krea_add_device_nor();
327 /* DGBU on ttyS0. (Rx & Tx only) */
328 at91_register_uart(0, 0, 0);
330 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
331 at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS |
332 ATMEL_UART_RTS | ATMEL_UART_DTR | ATMEL_UART_DSR |
333 ATMEL_UART_DCD | ATMEL_UART_RI);
335 /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
336 at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS |
339 /* USART2 on ttyS3. (Rx, Tx, RTS, CTS) */
340 at91_register_uart(AT91SAM9260_ID_US2, 3, ATMEL_UART_CTS |
343 /* USART3 on ttyS4. (Rx, Tx) */
344 at91_register_uart(AT91SAM9260_ID_US3, 4, 0);
346 /* USART4 on ttyS5. (Rx, Tx) */
347 at91_register_uart(AT91SAM9260_ID_US4, 5, 0);
349 /* USART5 on ttyS6. (Rx, Tx) */
350 at91_register_uart(AT91SAM9260_ID_US5, 6, 0);
351 at91_add_device_serial();
353 at91_add_device_usbh(&cpu9krea_usbh_data);
355 at91_add_device_udc(&cpu9krea_udc_data);
357 cpu9krea_add_device_nand();
359 at91_add_device_eth(&cpu9krea_macb_data);
361 at91_add_device_mci(0, &cpu9krea_mci0_data);
363 at91_add_device_i2c(cpu9krea_i2c_devices,
364 ARRAY_SIZE(cpu9krea_i2c_devices));
366 at91_gpio_leds(cpu9krea_leds, ARRAY_SIZE(cpu9krea_leds));
368 cpu9krea_add_device_buttons();
371 #ifdef CONFIG_MACH_CPU9260
372 MACHINE_START(CPUAT9260, "Eukrea CPU9260")
374 MACHINE_START(CPUAT9G20, "Eukrea CPU9G20")
376 /* Maintainer: Eric Benard - EUKREA Electromatique */
377 .init_time = at91sam926x_pit_init,
378 .map_io = at91_map_io,
379 .handle_irq = at91_aic_handle_irq,
380 .init_early = cpu9krea_init_early,
381 .init_irq = at91_init_irq_default,
382 .init_machine = cpu9krea_board_init,