Merge tag 'locks-v3.16-2' of git://git.samba.org/jlayton/linux
[linux/fpc-iii.git] / arch / arm / mach-at91 / board-sam9-l9260.c
blobd24dda67e2d343c49259b654c3d2d8d5266759aa
1 /*
2 * linux/arch/arm/mach-at91/board-sam9-l9260.c
4 * Copyright (C) 2005 SAN People
5 * Copyright (C) 2006 Atmel
6 * Copyright (C) 2007 Olimex Ltd
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>
26 #include <linux/mm.h>
27 #include <linux/module.h>
28 #include <linux/platform_device.h>
29 #include <linux/spi/spi.h>
31 #include <mach/hardware.h>
32 #include <asm/setup.h>
33 #include <asm/mach-types.h>
34 #include <asm/irq.h>
36 #include <asm/mach/arch.h>
37 #include <asm/mach/map.h>
38 #include <asm/mach/irq.h>
40 #include <mach/at91sam9_smc.h>
42 #include "at91_aic.h"
43 #include "board.h"
44 #include "sam9_smc.h"
45 #include "generic.h"
46 #include "gpio.h"
49 static void __init ek_init_early(void)
51 /* Initialize processor: 18.432 MHz crystal */
52 at91_initialize(18432000);
56 * USB Host port
58 static struct at91_usbh_data __initdata ek_usbh_data = {
59 .ports = 2,
60 .vbus_pin = {-EINVAL, -EINVAL},
61 .overcurrent_pin= {-EINVAL, -EINVAL},
65 * USB Device port
67 static struct at91_udc_data __initdata ek_udc_data = {
68 .vbus_pin = AT91_PIN_PC5,
69 .pullup_pin = -EINVAL, /* pull-up driven by UDC */
74 * SPI devices.
76 static struct spi_board_info ek_spi_devices[] = {
77 #if !IS_ENABLED(CONFIG_MMC_ATMELMCI)
78 { /* DataFlash chip */
79 .modalias = "mtd_dataflash",
80 .chip_select = 1,
81 .max_speed_hz = 15 * 1000 * 1000,
82 .bus_num = 0,
84 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
85 { /* DataFlash card */
86 .modalias = "mtd_dataflash",
87 .chip_select = 0,
88 .max_speed_hz = 15 * 1000 * 1000,
89 .bus_num = 0,
91 #endif
92 #endif
97 * MACB Ethernet device
99 static struct macb_platform_data __initdata ek_macb_data = {
100 .phy_irq_pin = AT91_PIN_PA7,
101 .is_rmii = 0,
106 * NAND flash
108 static struct mtd_partition __initdata ek_nand_partition[] = {
110 .name = "Bootloader Area",
111 .offset = 0,
112 .size = 10 * SZ_1M,
115 .name = "User Area",
116 .offset = MTDPART_OFS_NXTBLK,
117 .size = MTDPART_SIZ_FULL,
121 static struct atmel_nand_data __initdata ek_nand_data = {
122 .ale = 21,
123 .cle = 22,
124 .det_pin = -EINVAL,
125 .rdy_pin = AT91_PIN_PC13,
126 .enable_pin = AT91_PIN_PC14,
127 .ecc_mode = NAND_ECC_SOFT,
128 .parts = ek_nand_partition,
129 .num_parts = ARRAY_SIZE(ek_nand_partition),
132 static struct sam9_smc_config __initdata ek_nand_smc_config = {
133 .ncs_read_setup = 0,
134 .nrd_setup = 1,
135 .ncs_write_setup = 0,
136 .nwe_setup = 1,
138 .ncs_read_pulse = 3,
139 .nrd_pulse = 3,
140 .ncs_write_pulse = 3,
141 .nwe_pulse = 3,
143 .read_cycle = 5,
144 .write_cycle = 5,
146 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
147 .tdf_cycles = 2,
150 static void __init ek_add_device_nand(void)
152 /* configure chip-select 3 (NAND) */
153 sam9_smc_configure(0, 3, &ek_nand_smc_config);
155 at91_add_device_nand(&ek_nand_data);
160 * MCI (SD/MMC)
162 static struct mci_platform_data __initdata ek_mci0_data = {
163 .slot[1] = {
164 .bus_width = 4,
165 .detect_pin = AT91_PIN_PC8,
166 .wp_pin = AT91_PIN_PC4,
171 * LEDs
173 static struct gpio_led ek_leds[] = {
174 { /* D1 */
175 .name = "led1",
176 .gpio = AT91_PIN_PA9,
177 .active_low = 1,
178 .default_trigger = "heartbeat",
180 { /* D2 */
181 .name = "led2",
182 .gpio = AT91_PIN_PA6,
183 .active_low = 1,
184 .default_trigger = "timer",
188 static void __init ek_board_init(void)
190 /* Serial */
191 /* DBGU on ttyS0. (Rx & Tx only) */
192 at91_register_uart(0, 0, 0);
194 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
195 at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
196 | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
197 | ATMEL_UART_RI);
199 /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */
200 at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
201 at91_add_device_serial();
202 /* USB Host */
203 at91_add_device_usbh(&ek_usbh_data);
204 /* USB Device */
205 at91_add_device_udc(&ek_udc_data);
206 /* SPI */
207 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
208 /* NAND */
209 ek_add_device_nand();
210 /* Ethernet */
211 at91_add_device_eth(&ek_macb_data);
212 /* MMC */
213 at91_add_device_mci(0, &ek_mci0_data);
214 /* I2C */
215 at91_add_device_i2c(NULL, 0);
216 /* LEDs */
217 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
220 MACHINE_START(SAM9_L9260, "Olimex SAM9-L9260")
221 /* Maintainer: Olimex */
222 .init_time = at91sam926x_pit_init,
223 .map_io = at91_map_io,
224 .handle_irq = at91_aic_handle_irq,
225 .init_early = ek_init_early,
226 .init_irq = at91_init_irq_default,
227 .init_machine = ek_board_init,
228 MACHINE_END