blob: c5f01acce3c03bb057f5df5c460b92f466185fac [file] [log] [blame]
Andrew Victor66dbfc62008-04-15 21:07:08 +01001/*
2 * linux/arch/arm/mach-at91/board-sam9-l9260.c
3 *
4 * Copyright (C) 2005 SAN People
5 * Copyright (C) 2006 Atmel
6 * Copyright (C) 2007 Olimex Ltd
7 *
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.
12 *
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.
17 *
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
21 */
22
23#include <linux/types.h>
Russell King2f8163b2011-07-26 10:53:52 +010024#include <linux/gpio.h>
Andrew Victor66dbfc62008-04-15 21:07:08 +010025#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>
30
Russell Kinga09e64f2008-08-05 16:14:15 +010031#include <mach/hardware.h>
Andrew Victor66dbfc62008-04-15 21:07:08 +010032#include <asm/setup.h>
33#include <asm/mach-types.h>
34#include <asm/irq.h>
35
36#include <asm/mach/arch.h>
37#include <asm/mach/map.h>
38#include <asm/mach/irq.h>
39
Russell Kinga09e64f2008-08-05 16:14:15 +010040#include <mach/board.h>
Ludovic Desroches3e135462012-06-11 15:38:03 +020041#include <mach/at91_aic.h>
Andrew Victor8cdae512008-10-06 20:05:35 +010042#include <mach/at91sam9_smc.h>
Andrew Victor66dbfc62008-04-15 21:07:08 +010043
Andrew Victor8cdae512008-10-06 20:05:35 +010044#include "sam9_smc.h"
Andrew Victor66dbfc62008-04-15 21:07:08 +010045#include "generic.h"
46
47
Jean-Christophe PLAGNIOL-VILLARD1b021a32011-04-28 20:19:32 +080048static void __init ek_init_early(void)
Andrew Victor66dbfc62008-04-15 21:07:08 +010049{
50 /* Initialize processor: 18.432 MHz crystal */
Jean-Christophe PLAGNIOL-VILLARD21d08b92011-04-23 15:28:34 +080051 at91_initialize(18432000);
Andrew Victor66dbfc62008-04-15 21:07:08 +010052}
53
Andrew Victor66dbfc62008-04-15 21:07:08 +010054/*
55 * USB Host port
56 */
57static struct at91_usbh_data __initdata ek_usbh_data = {
58 .ports = 2,
Jean-Christophe PLAGNIOL-VILLARD63b4c292011-11-25 01:51:06 +080059 .vbus_pin = {-EINVAL, -EINVAL},
60 .overcurrent_pin= {-EINVAL, -EINVAL},
Andrew Victor66dbfc62008-04-15 21:07:08 +010061};
62
63/*
64 * USB Device port
65 */
66static struct at91_udc_data __initdata ek_udc_data = {
67 .vbus_pin = AT91_PIN_PC5,
Jean-Christophe PLAGNIOL-VILLARD63b4c292011-11-25 01:51:06 +080068 .pullup_pin = -EINVAL, /* pull-up driven by UDC */
Andrew Victor66dbfc62008-04-15 21:07:08 +010069};
70
71
72/*
73 * SPI devices.
74 */
75static struct spi_board_info ek_spi_devices[] = {
Ludovic Desroches4cf33262012-05-21 12:23:27 +020076#if !IS_ENABLED(CONFIG_MMC_ATMELMCI)
Andrew Victor66dbfc62008-04-15 21:07:08 +010077 { /* DataFlash chip */
78 .modalias = "mtd_dataflash",
79 .chip_select = 1,
80 .max_speed_hz = 15 * 1000 * 1000,
81 .bus_num = 0,
82 },
83#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
84 { /* DataFlash card */
85 .modalias = "mtd_dataflash",
86 .chip_select = 0,
87 .max_speed_hz = 15 * 1000 * 1000,
88 .bus_num = 0,
89 },
90#endif
91#endif
92};
93
94
95/*
96 * MACB Ethernet device
97 */
Jamie Iles84e0cdb2011-03-08 20:17:06 +000098static struct macb_platform_data __initdata ek_macb_data = {
Andrew Victor66dbfc62008-04-15 21:07:08 +010099 .phy_irq_pin = AT91_PIN_PA7,
100 .is_rmii = 0,
101};
102
103
104/*
105 * NAND flash
106 */
107static struct mtd_partition __initdata ek_nand_partition[] = {
108 {
109 .name = "Bootloader Area",
110 .offset = 0,
Andrew Victore5052402008-09-21 21:30:02 +0100111 .size = 10 * SZ_1M,
Andrew Victor66dbfc62008-04-15 21:07:08 +0100112 },
113 {
114 .name = "User Area",
Andrew Victore5052402008-09-21 21:30:02 +0100115 .offset = MTDPART_OFS_NXTBLK,
Andrew Victor66dbfc62008-04-15 21:07:08 +0100116 .size = MTDPART_SIZ_FULL,
117 },
118};
119
HÃ¥vard Skinnemoen3c3796c2008-06-06 18:04:53 +0200120static struct atmel_nand_data __initdata ek_nand_data = {
Andrew Victor66dbfc62008-04-15 21:07:08 +0100121 .ale = 21,
122 .cle = 22,
Jean-Christophe PLAGNIOL-VILLARD63b4c292011-11-25 01:51:06 +0800123 .det_pin = -EINVAL,
Andrew Victor66dbfc62008-04-15 21:07:08 +0100124 .rdy_pin = AT91_PIN_PC13,
125 .enable_pin = AT91_PIN_PC14,
Jean-Christophe PLAGNIOL-VILLARDbf4289c2011-12-29 14:43:24 +0800126 .ecc_mode = NAND_ECC_SOFT,
Dmitry Eremin-Solenikov1754aab2011-05-29 17:49:22 +0400127 .parts = ek_nand_partition,
128 .num_parts = ARRAY_SIZE(ek_nand_partition),
Andrew Victor66dbfc62008-04-15 21:07:08 +0100129};
130
Andrew Victor8cdae512008-10-06 20:05:35 +0100131static struct sam9_smc_config __initdata ek_nand_smc_config = {
132 .ncs_read_setup = 0,
133 .nrd_setup = 1,
134 .ncs_write_setup = 0,
135 .nwe_setup = 1,
136
137 .ncs_read_pulse = 3,
138 .nrd_pulse = 3,
139 .ncs_write_pulse = 3,
140 .nwe_pulse = 3,
141
142 .read_cycle = 5,
143 .write_cycle = 5,
144
145 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
146 .tdf_cycles = 2,
147};
148
149static void __init ek_add_device_nand(void)
150{
151 /* configure chip-select 3 (NAND) */
Jean-Christophe PLAGNIOL-VILLARDfaee0cc2011-10-14 01:37:09 +0800152 sam9_smc_configure(0, 3, &ek_nand_smc_config);
Andrew Victor8cdae512008-10-06 20:05:35 +0100153
154 at91_add_device_nand(&ek_nand_data);
155}
156
Andrew Victor66dbfc62008-04-15 21:07:08 +0100157
158/*
159 * MCI (SD/MMC)
160 */
Ludovic Desroches4cf33262012-05-21 12:23:27 +0200161static struct mci_platform_data __initdata ek_mci0_data = {
162 .slot[1] = {
163 .bus_width = 4,
164 .detect_pin = AT91_PIN_PC8,
165 .wp_pin = AT91_PIN_PC4,
166 },
Andrew Victor66dbfc62008-04-15 21:07:08 +0100167};
168
Bryan Wud61015f2012-03-13 17:47:33 +0800169/*
170 * LEDs
171 */
172static struct gpio_led ek_leds[] = {
173 { /* D1 */
174 .name = "led1",
175 .gpio = AT91_PIN_PA9,
176 .active_low = 1,
177 .default_trigger = "heartbeat",
178 },
179 { /* D2 */
180 .name = "led2",
181 .gpio = AT91_PIN_PA6,
182 .active_low = 1,
183 .default_trigger = "timer",
184 }
185};
186
Andrew Victor66dbfc62008-04-15 21:07:08 +0100187static void __init ek_board_init(void)
188{
189 /* Serial */
Jean-Christophe PLAGNIOL-VILLARD71b149b2012-04-05 14:14:28 +0800190 /* DBGU on ttyS0. (Rx & Tx only) */
191 at91_register_uart(0, 0, 0);
192
193 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
194 at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
195 | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
196 | ATMEL_UART_RI);
197
198 /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */
199 at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
Andrew Victor66dbfc62008-04-15 21:07:08 +0100200 at91_add_device_serial();
201 /* USB Host */
202 at91_add_device_usbh(&ek_usbh_data);
203 /* USB Device */
204 at91_add_device_udc(&ek_udc_data);
205 /* SPI */
206 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
207 /* NAND */
Andrew Victor8cdae512008-10-06 20:05:35 +0100208 ek_add_device_nand();
Andrew Victor66dbfc62008-04-15 21:07:08 +0100209 /* Ethernet */
210 at91_add_device_eth(&ek_macb_data);
211 /* MMC */
Ludovic Desroches4cf33262012-05-21 12:23:27 +0200212 at91_add_device_mci(0, &ek_mci0_data);
Andrew Victor66dbfc62008-04-15 21:07:08 +0100213 /* I2C */
214 at91_add_device_i2c(NULL, 0);
Bryan Wud61015f2012-03-13 17:47:33 +0800215 /* LEDs */
216 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
Andrew Victor66dbfc62008-04-15 21:07:08 +0100217}
218
219MACHINE_START(SAM9_L9260, "Olimex SAM9-L9260")
220 /* Maintainer: Olimex */
Andrew Victor66dbfc62008-04-15 21:07:08 +0100221 .timer = &at91sam926x_timer,
Jean-Christophe PLAGNIOL-VILLARD21d08b92011-04-23 15:28:34 +0800222 .map_io = at91_map_io,
Ludovic Desroches3e135462012-06-11 15:38:03 +0200223 .handle_irq = at91_aic_handle_irq,
Jean-Christophe PLAGNIOL-VILLARD1b021a32011-04-28 20:19:32 +0800224 .init_early = ek_init_early,
Jean-Christophe PLAGNIOL-VILLARD92100c12011-04-23 15:28:34 +0800225 .init_irq = at91_init_irq_default,
Andrew Victor66dbfc62008-04-15 21:07:08 +0100226 .init_machine = ek_board_init,
227MACHINE_END