2 * Copyright (C) 2005 SAN People
3 * Copyright (C) 2008 Atmel
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 #include <linux/types.h>
21 #include <linux/init.h>
23 #include <linux/module.h>
24 #include <linux/platform_device.h>
25 #include <linux/spi/spi.h>
26 #include <linux/spi/at73c213.h>
27 #include <linux/clk.h>
29 #include <mach/hardware.h>
30 #include <asm/setup.h>
31 #include <asm/mach-types.h>
34 #include <asm/mach/arch.h>
35 #include <asm/mach/map.h>
36 #include <asm/mach/irq.h>
38 #include <mach/board.h>
39 #include <mach/gpio.h>
40 #include <mach/at91sam9_smc.h>
46 static void __init ek_map_io(void)
48 /* Initialize processor: 18.432 MHz crystal */
49 at91sam9260_initialize(18432000);
51 /* DGBU on ttyS0. (Rx & Tx only) */
52 at91_register_uart(0, 0, 0);
54 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
55 at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
56 | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
59 /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
60 at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
62 /* set serial console to ttyS0 (ie, DBGU) */
63 at91_set_serial_console(0);
66 static void __init ek_init_irq(void)
68 at91sam9260_init_interrupts(NULL);
75 static struct at91_usbh_data __initdata ek_usbh_data = {
82 static struct at91_udc_data __initdata ek_udc_data = {
83 .vbus_pin = AT91_PIN_PC5,
84 .pullup_pin = 0, /* pull-up driven by UDC */
91 static struct spi_board_info ek_spi_devices[] = {
92 #if !defined(CONFIG_MMC_AT91)
93 { /* DataFlash chip */
94 .modalias = "mtd_dataflash",
96 .max_speed_hz = 15 * 1000 * 1000,
99 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
100 { /* DataFlash card */
101 .modalias = "mtd_dataflash",
103 .max_speed_hz = 15 * 1000 * 1000,
112 * MACB Ethernet device
114 static struct at91_eth_data __initdata ek_macb_data = {
115 .phy_irq_pin = AT91_PIN_PA7,
123 static struct mtd_partition __initdata ek_nand_partition[] = {
130 .name = "Partition 1",
131 .offset = MTDPART_OFS_NXTBLK,
135 .name = "Partition 2",
136 .offset = MTDPART_OFS_NXTBLK,
137 .size = MTDPART_SIZ_FULL,
141 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
143 *num_partitions = ARRAY_SIZE(ek_nand_partition);
144 return ek_nand_partition;
147 /* det_pin is not connected */
148 static struct atmel_nand_data __initdata ek_nand_data = {
151 .rdy_pin = AT91_PIN_PC13,
152 .enable_pin = AT91_PIN_PC14,
153 .partition_info = nand_partitions,
154 #if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
161 static struct sam9_smc_config __initdata ek_nand_smc_config = {
164 .ncs_write_setup = 0,
169 .ncs_write_pulse = 4,
175 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
179 static void __init ek_add_device_nand(void)
181 /* setup bus-width (8 or 16) */
182 if (ek_nand_data.bus_width_16)
183 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
185 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
187 /* configure chip-select 3 (NAND) */
188 sam9_smc_configure(3, &ek_nand_smc_config);
190 at91_add_device_nand(&ek_nand_data);
196 * det_pin, wp_pin and vcc_pin are not connected
198 static struct at91_mmc_data __initdata ek_mmc_data = {
207 static struct gpio_led ek_leds[] = {
208 { /* "bottom" led, green, userled1 to be defined */
210 .gpio = AT91_PIN_PA6,
212 .default_trigger = "none",
214 { /* "power" led, yellow */
216 .gpio = AT91_PIN_PA9,
217 .default_trigger = "heartbeat",
221 static void __init ek_board_init(void)
224 at91_add_device_serial();
226 at91_add_device_usbh(&ek_usbh_data);
228 at91_add_device_udc(&ek_udc_data);
230 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
232 ek_add_device_nand();
234 at91_add_device_eth(&ek_macb_data);
236 at91_add_device_mmc(0, &ek_mmc_data);
238 at91_add_device_i2c(NULL, 0);
240 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
243 MACHINE_START(AT91SAM9G20EK, "Atmel AT91SAM9G20-EK")
244 /* Maintainer: Atmel */
245 .phys_io = AT91_BASE_SYS,
246 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
247 .boot_params = AT91_SDRAM_BASE + 0x100,
248 .timer = &at91sam926x_timer,
250 .init_irq = ek_init_irq,
251 .init_machine = ek_board_init,