Merge branch 'for-linus' of git://git.open-osd.org/linux-open-osd
[sfrench/cifs-2.6.git] / arch / arm / mach-at91 / board-sam9-l9260.c
1 /*
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>
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>
30
31 #include <mach/hardware.h>
32 #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
40 #include <mach/at91sam9_smc.h>
41
42 #include "at91_aic.h"
43 #include "board.h"
44 #include "sam9_smc.h"
45 #include "generic.h"
46 #include "gpio.h"
47
48
49 static void __init ek_init_early(void)
50 {
51         /* Initialize processor: 18.432 MHz crystal */
52         at91_initialize(18432000);
53 }
54
55 /*
56  * USB Host port
57  */
58 static struct at91_usbh_data __initdata ek_usbh_data = {
59         .ports          = 2,
60         .vbus_pin       = {-EINVAL, -EINVAL},
61         .overcurrent_pin= {-EINVAL, -EINVAL},
62 };
63
64 /*
65  * USB Device port
66  */
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 */
70 };
71
72
73 /*
74  * SPI devices.
75  */
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,
83         },
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,
90         },
91 #endif
92 #endif
93 };
94
95
96 /*
97  * MACB Ethernet device
98  */
99 static struct macb_platform_data __initdata ek_macb_data = {
100         .phy_irq_pin    = AT91_PIN_PA7,
101         .is_rmii        = 0,
102 };
103
104
105 /*
106  * NAND flash
107  */
108 static struct mtd_partition __initdata ek_nand_partition[] = {
109         {
110                 .name   = "Bootloader Area",
111                 .offset = 0,
112                 .size   = 10 * SZ_1M,
113         },
114         {
115                 .name   = "User Area",
116                 .offset = MTDPART_OFS_NXTBLK,
117                 .size   = MTDPART_SIZ_FULL,
118         },
119 };
120
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),
130 };
131
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,
137
138         .ncs_read_pulse         = 3,
139         .nrd_pulse              = 3,
140         .ncs_write_pulse        = 3,
141         .nwe_pulse              = 3,
142
143         .read_cycle             = 5,
144         .write_cycle            = 5,
145
146         .mode                   = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
147         .tdf_cycles             = 2,
148 };
149
150 static void __init ek_add_device_nand(void)
151 {
152         /* configure chip-select 3 (NAND) */
153         sam9_smc_configure(0, 3, &ek_nand_smc_config);
154
155         at91_add_device_nand(&ek_nand_data);
156 }
157
158
159 /*
160  * MCI (SD/MMC)
161  */
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,
167         },
168 };
169
170 /*
171  * LEDs
172  */
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",
179         },
180         {       /* D2 */
181                 .name                   = "led2",
182                 .gpio                   = AT91_PIN_PA6,
183                 .active_low             = 1,
184                 .default_trigger        = "timer",
185         }
186 };
187
188 static void __init ek_board_init(void)
189 {
190         at91_register_devices();
191
192         /* Serial */
193         /* DBGU on ttyS0. (Rx & Tx only) */
194         at91_register_uart(0, 0, 0);
195
196         /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
197         at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
198                            | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
199                            | ATMEL_UART_RI);
200
201         /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */
202         at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
203         at91_add_device_serial();
204         /* USB Host */
205         at91_add_device_usbh(&ek_usbh_data);
206         /* USB Device */
207         at91_add_device_udc(&ek_udc_data);
208         /* SPI */
209         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
210         /* NAND */
211         ek_add_device_nand();
212         /* Ethernet */
213         at91_add_device_eth(&ek_macb_data);
214         /* MMC */
215         at91_add_device_mci(0, &ek_mci0_data);
216         /* I2C */
217         at91_add_device_i2c(NULL, 0);
218         /* LEDs */
219         at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
220 }
221
222 MACHINE_START(SAM9_L9260, "Olimex SAM9-L9260")
223         /* Maintainer: Olimex */
224         .init_time      = at91_init_time,
225         .map_io         = at91_map_io,
226         .handle_irq     = at91_aic_handle_irq,
227         .init_early     = ek_init_early,
228         .init_irq       = at91_init_irq_default,
229         .init_machine   = ek_board_init,
230 MACHINE_END