2 * linux/arch/arm/mach-at91/board-at572d940hf_ek.c
4 * Copyright (C) 2008 Atmel Antonio R. Costa <costa.antonior@gmail.com>
5 * Copyright (C) 2005 SAN People
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/ds1305.h>
29 #include <linux/irq.h>
30 #include <linux/mtd/physmap.h>
32 #include <mach/hardware.h>
33 #include <asm/setup.h>
34 #include <asm/mach-types.h>
37 #include <asm/mach/arch.h>
38 #include <asm/mach/map.h>
39 #include <asm/mach/irq.h>
41 #include <mach/board.h>
42 #include <mach/gpio.h>
43 #include <mach/at91sam9_smc.h>
49 static void __init eb_map_io(void)
51 /* Initialize processor: 12.500 MHz crystal */
52 at572d940hf_initialize(12000000);
54 /* DBGU on ttyS0. (Rx & Tx only) */
55 at91_register_uart(0, 0, 0);
57 /* USART0 on ttyS1. (Rx & Tx only) */
58 at91_register_uart(AT572D940HF_ID_US0, 1, 0);
60 /* USART1 on ttyS2. (Rx & Tx only) */
61 at91_register_uart(AT572D940HF_ID_US1, 2, 0);
63 /* USART2 on ttyS3. (Tx & Rx only */
64 at91_register_uart(AT572D940HF_ID_US2, 3, 0);
66 /* set serial console to ttyS0 (ie, DBGU) */
67 at91_set_serial_console(0);
70 static void __init eb_init_irq(void)
72 at572d940hf_init_interrupts(NULL);
79 static struct at91_usbh_data __initdata eb_usbh_data = {
87 static struct at91_udc_data __initdata eb_udc_data = {
88 .vbus_pin = 0, /* no VBUS detection,UDC always on */
89 .pullup_pin = 0, /* pull-up driven by UDC */
96 static struct at91_mmc_data __initdata eb_mmc_data = {
98 /* .det_pin = ... not connected */
99 /* .wp_pin = ... not connected */
100 /* .vcc_pin = ... not connected */
105 * MACB Ethernet device
107 static struct at91_eth_data __initdata eb_eth_data = {
108 .phy_irq_pin = AT91_PIN_PB25,
116 static struct mtd_partition eb_nor_partitions[] = {
118 .name = "Raw Environment",
125 .offset = MTDPART_OFS_APPEND,
131 .offset = MTDPART_OFS_APPEND,
132 .size = MTDPART_SIZ_FULL,
137 static void nor_flash_set_vpp(struct map_info* mi, int i) {
140 static struct physmap_flash_data nor_flash_data = {
142 .parts = eb_nor_partitions,
143 .nr_parts = ARRAY_SIZE(eb_nor_partitions),
144 .set_vpp = nor_flash_set_vpp,
147 static struct resource nor_flash_resources[] = {
149 .start = AT91_CHIPSELECT_0,
150 .end = AT91_CHIPSELECT_0 + SZ_16M - 1,
151 .flags = IORESOURCE_MEM,
155 static struct platform_device nor_flash = {
156 .name = "physmap-flash",
159 .platform_data = &nor_flash_data,
161 .resource = nor_flash_resources,
162 .num_resources = ARRAY_SIZE(nor_flash_resources),
165 static struct sam9_smc_config __initdata eb_nor_smc_config = {
168 .ncs_write_setup = 1,
173 .ncs_write_pulse = 7,
179 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_32,
183 static void __init eb_add_device_nor(void)
185 /* configure chip-select 0 (NOR) */
186 sam9_smc_configure(0, &eb_nor_smc_config);
187 platform_device_register(&nor_flash);
193 static struct mtd_partition __initdata eb_nand_partition[] = {
195 .name = "Partition 1",
200 .name = "Partition 2",
201 .offset = MTDPART_OFS_NXTBLK,
202 .size = MTDPART_SIZ_FULL,
206 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
208 *num_partitions = ARRAY_SIZE(eb_nand_partition);
209 return eb_nand_partition;
212 static struct atmel_nand_data __initdata eb_nand_data = {
215 /* .det_pin = ... not connected */
216 /* .rdy_pin = AT91_PIN_PC16, */
217 .enable_pin = AT91_PIN_PA15,
218 .partition_info = nand_partitions,
219 #if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
226 static struct sam9_smc_config __initdata eb_nand_smc_config = {
229 .ncs_write_setup = 1,
234 .ncs_write_pulse = 3,
240 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
244 static void __init eb_add_device_nand(void)
246 /* setup bus-width (8 or 16) */
247 if (eb_nand_data.bus_width_16)
248 eb_nand_smc_config.mode |= AT91_SMC_DBW_16;
250 eb_nand_smc_config.mode |= AT91_SMC_DBW_8;
252 /* configure chip-select 3 (NAND) */
253 sam9_smc_configure(3, &eb_nand_smc_config);
255 at91_add_device_nand(&eb_nand_data);
262 static struct resource rtc_resources[] = {
264 .start = AT572D940HF_ID_IRQ1,
265 .end = AT572D940HF_ID_IRQ1,
266 .flags = IORESOURCE_IRQ,
270 static struct ds1305_platform_data ds1306_data = {
275 static struct spi_board_info eb_spi_devices[] = {
276 { /* RTC Dallas DS1306 */
277 .modalias = "rtc-ds1305",
279 .mode = SPI_CS_HIGH | SPI_CPOL | SPI_CPHA,
280 .max_speed_hz = 500000,
282 .irq = AT572D940HF_ID_IRQ1,
283 .platform_data = (void *) &ds1306_data,
285 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
286 { /* Dataflash card */
287 .modalias = "mtd_dataflash",
289 .max_speed_hz = 15 * 1000 * 1000,
295 static void __init eb_board_init(void)
298 at91_add_device_serial();
300 at91_add_device_usbh(&eb_usbh_data);
302 at91_add_device_udc(&eb_udc_data);
304 at91_add_device_i2c(NULL, 0);
308 eb_add_device_nand();
310 at91_add_device_spi(eb_spi_devices, ARRAY_SIZE(eb_spi_devices));
312 at91_add_device_mmc(0, &eb_mmc_data);
314 at91_add_device_eth(&eb_eth_data);
316 at91_add_device_mAgic();
319 MACHINE_START(AT572D940HFEB, "Atmel AT91D940HF-EB")
320 /* Maintainer: Atmel <costa.antonior@gmail.com> */
321 .phys_io = AT91_BASE_SYS,
322 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
323 .boot_params = AT91_SDRAM_BASE + 0x100,
324 .timer = &at91sam926x_timer,
326 .init_irq = eb_init_irq,
327 .init_machine = eb_board_init,