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66dbfc6c AV |
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> | |
2f8163ba | 24 | #include <linux/gpio.h> |
66dbfc6c AV |
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 | ||
a09e64fb | 31 | #include <mach/hardware.h> |
66dbfc6c AV |
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 | ||
8cdae51a | 40 | #include <mach/at91sam9_smc.h> |
66dbfc6c | 41 | |
a510b9ba | 42 | #include "at91_aic.h" |
43d2f532 | 43 | #include "board.h" |
8cdae51a | 44 | #include "sam9_smc.h" |
66dbfc6c AV |
45 | #include "generic.h" |
46 | ||
47 | ||
1b021a3b | 48 | static void __init ek_init_early(void) |
66dbfc6c AV |
49 | { |
50 | /* Initialize processor: 18.432 MHz crystal */ | |
21d08b9d | 51 | at91_initialize(18432000); |
66dbfc6c AV |
52 | } |
53 | ||
66dbfc6c AV |
54 | /* |
55 | * USB Host port | |
56 | */ | |
57 | static struct at91_usbh_data __initdata ek_usbh_data = { | |
58 | .ports = 2, | |
63b4c296 JCPV |
59 | .vbus_pin = {-EINVAL, -EINVAL}, |
60 | .overcurrent_pin= {-EINVAL, -EINVAL}, | |
66dbfc6c AV |
61 | }; |
62 | ||
63 | /* | |
64 | * USB Device port | |
65 | */ | |
66 | static struct at91_udc_data __initdata ek_udc_data = { | |
67 | .vbus_pin = AT91_PIN_PC5, | |
63b4c296 | 68 | .pullup_pin = -EINVAL, /* pull-up driven by UDC */ |
66dbfc6c AV |
69 | }; |
70 | ||
71 | ||
72 | /* | |
73 | * SPI devices. | |
74 | */ | |
75 | static struct spi_board_info ek_spi_devices[] = { | |
4cf3326a | 76 | #if !IS_ENABLED(CONFIG_MMC_ATMELMCI) |
66dbfc6c AV |
77 | { /* 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 | */ | |
84e0cdb0 | 98 | static struct macb_platform_data __initdata ek_macb_data = { |
66dbfc6c AV |
99 | .phy_irq_pin = AT91_PIN_PA7, |
100 | .is_rmii = 0, | |
101 | }; | |
102 | ||
103 | ||
104 | /* | |
105 | * NAND flash | |
106 | */ | |
107 | static struct mtd_partition __initdata ek_nand_partition[] = { | |
108 | { | |
109 | .name = "Bootloader Area", | |
110 | .offset = 0, | |
e505240b | 111 | .size = 10 * SZ_1M, |
66dbfc6c AV |
112 | }, |
113 | { | |
114 | .name = "User Area", | |
e505240b | 115 | .offset = MTDPART_OFS_NXTBLK, |
66dbfc6c AV |
116 | .size = MTDPART_SIZ_FULL, |
117 | }, | |
118 | }; | |
119 | ||
3c3796cc | 120 | static struct atmel_nand_data __initdata ek_nand_data = { |
66dbfc6c AV |
121 | .ale = 21, |
122 | .cle = 22, | |
63b4c296 | 123 | .det_pin = -EINVAL, |
66dbfc6c AV |
124 | .rdy_pin = AT91_PIN_PC13, |
125 | .enable_pin = AT91_PIN_PC14, | |
bf4289cb | 126 | .ecc_mode = NAND_ECC_SOFT, |
1754aab9 DES |
127 | .parts = ek_nand_partition, |
128 | .num_parts = ARRAY_SIZE(ek_nand_partition), | |
66dbfc6c AV |
129 | }; |
130 | ||
8cdae51a AV |
131 | static 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 | ||
149 | static void __init ek_add_device_nand(void) | |
150 | { | |
151 | /* configure chip-select 3 (NAND) */ | |
faee0cc3 | 152 | sam9_smc_configure(0, 3, &ek_nand_smc_config); |
8cdae51a AV |
153 | |
154 | at91_add_device_nand(&ek_nand_data); | |
155 | } | |
156 | ||
66dbfc6c AV |
157 | |
158 | /* | |
159 | * MCI (SD/MMC) | |
160 | */ | |
4cf3326a LD |
161 | static 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 | }, | |
66dbfc6c AV |
167 | }; |
168 | ||
d61015fa BW |
169 | /* |
170 | * LEDs | |
171 | */ | |
172 | static 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 | ||
66dbfc6c AV |
187 | static void __init ek_board_init(void) |
188 | { | |
189 | /* Serial */ | |
71b149b3 JCPV |
190 | /* 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); | |
66dbfc6c AV |
200 | 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 */ | |
8cdae51a | 208 | ek_add_device_nand(); |
66dbfc6c AV |
209 | /* Ethernet */ |
210 | at91_add_device_eth(&ek_macb_data); | |
211 | /* MMC */ | |
4cf3326a | 212 | at91_add_device_mci(0, &ek_mci0_data); |
66dbfc6c AV |
213 | /* I2C */ |
214 | at91_add_device_i2c(NULL, 0); | |
d61015fa BW |
215 | /* LEDs */ |
216 | at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); | |
66dbfc6c AV |
217 | } |
218 | ||
219 | MACHINE_START(SAM9_L9260, "Olimex SAM9-L9260") | |
220 | /* Maintainer: Olimex */ | |
6bb27d73 | 221 | .init_time = at91sam926x_pit_init, |
21d08b9d | 222 | .map_io = at91_map_io, |
3e135466 | 223 | .handle_irq = at91_aic_handle_irq, |
1b021a3b | 224 | .init_early = ek_init_early, |
92100c12 | 225 | .init_irq = at91_init_irq_default, |
66dbfc6c AV |
226 | .init_machine = ek_board_init, |
227 | MACHINE_END |