diff options
Diffstat (limited to 'arch/arm/mach-at91/board-sam9g20ek.c')
-rw-r--r-- | arch/arm/mach-at91/board-sam9g20ek.c | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/board-sam9g20ek.c b/arch/arm/mach-at91/board-sam9g20ek.c new file mode 100644 index 000000000000..45617c201240 --- /dev/null +++ b/arch/arm/mach-at91/board-sam9g20ek.c | |||
@@ -0,0 +1,218 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2005 SAN People | ||
3 | * Copyright (C) 2008 Atmel | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or modify | ||
6 | * it under the terms of the GNU General Public License as published by | ||
7 | * the Free Software Foundation; either version 2 of the License, or | ||
8 | * (at your option) any later version. | ||
9 | * | ||
10 | * This program is distributed in the hope that it will be useful, | ||
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
13 | * GNU General Public License for more details. | ||
14 | * | ||
15 | * You should have received a copy of the GNU General Public License | ||
16 | * along with this program; if not, write to the Free Software | ||
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
18 | */ | ||
19 | |||
20 | #include <linux/types.h> | ||
21 | #include <linux/init.h> | ||
22 | #include <linux/mm.h> | ||
23 | #include <linux/module.h> | ||
24 | #include <linux/platform_device.h> | ||
25 | #include <linux/spi/spi.h> | ||
26 | #include <linux/spi/at73c213.h> | ||
27 | #include <linux/clk.h> | ||
28 | |||
29 | #include <asm/hardware.h> | ||
30 | #include <asm/setup.h> | ||
31 | #include <asm/mach-types.h> | ||
32 | #include <asm/irq.h> | ||
33 | |||
34 | #include <asm/mach/arch.h> | ||
35 | #include <asm/mach/map.h> | ||
36 | #include <asm/mach/irq.h> | ||
37 | |||
38 | #include <asm/arch/board.h> | ||
39 | #include <asm/arch/gpio.h> | ||
40 | |||
41 | #include "generic.h" | ||
42 | |||
43 | |||
44 | static void __init ek_map_io(void) | ||
45 | { | ||
46 | /* Initialize processor: 18.432 MHz crystal */ | ||
47 | at91sam9260_initialize(18432000); | ||
48 | |||
49 | /* DGBU on ttyS0. (Rx & Tx only) */ | ||
50 | at91_register_uart(0, 0, 0); | ||
51 | |||
52 | /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ | ||
53 | at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS | ||
54 | | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD | ||
55 | | ATMEL_UART_RI); | ||
56 | |||
57 | /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */ | ||
58 | at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS); | ||
59 | |||
60 | /* set serial console to ttyS0 (ie, DBGU) */ | ||
61 | at91_set_serial_console(0); | ||
62 | } | ||
63 | |||
64 | static void __init ek_init_irq(void) | ||
65 | { | ||
66 | at91sam9260_init_interrupts(NULL); | ||
67 | } | ||
68 | |||
69 | |||
70 | /* | ||
71 | * USB Host port | ||
72 | */ | ||
73 | static struct at91_usbh_data __initdata ek_usbh_data = { | ||
74 | .ports = 2, | ||
75 | }; | ||
76 | |||
77 | /* | ||
78 | * USB Device port | ||
79 | */ | ||
80 | static struct at91_udc_data __initdata ek_udc_data = { | ||
81 | .vbus_pin = AT91_PIN_PC5, | ||
82 | .pullup_pin = 0, /* pull-up driven by UDC */ | ||
83 | }; | ||
84 | |||
85 | |||
86 | /* | ||
87 | * SPI devices. | ||
88 | */ | ||
89 | static struct spi_board_info ek_spi_devices[] = { | ||
90 | #if !defined(CONFIG_MMC_AT91) | ||
91 | { /* DataFlash chip */ | ||
92 | .modalias = "mtd_dataflash", | ||
93 | .chip_select = 1, | ||
94 | .max_speed_hz = 15 * 1000 * 1000, | ||
95 | .bus_num = 0, | ||
96 | }, | ||
97 | #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD) | ||
98 | { /* DataFlash card */ | ||
99 | .modalias = "mtd_dataflash", | ||
100 | .chip_select = 0, | ||
101 | .max_speed_hz = 15 * 1000 * 1000, | ||
102 | .bus_num = 0, | ||
103 | }, | ||
104 | #endif | ||
105 | #endif | ||
106 | }; | ||
107 | |||
108 | |||
109 | /* | ||
110 | * MACB Ethernet device | ||
111 | */ | ||
112 | static struct at91_eth_data __initdata ek_macb_data = { | ||
113 | .phy_irq_pin = AT91_PIN_PA7, | ||
114 | .is_rmii = 1, | ||
115 | }; | ||
116 | |||
117 | |||
118 | /* | ||
119 | * NAND flash | ||
120 | */ | ||
121 | static struct mtd_partition __initdata ek_nand_partition[] = { | ||
122 | { | ||
123 | .name = "Bootstrap", | ||
124 | .offset = 0, | ||
125 | .size = 4 * 1024 * 1024, | ||
126 | }, | ||
127 | { | ||
128 | .name = "Partition 1", | ||
129 | .offset = 4 * 1024 * 1024, | ||
130 | .size = 60 * 1024 * 1024, | ||
131 | }, | ||
132 | { | ||
133 | .name = "Partition 2", | ||
134 | .offset = 64 * 1024 * 1024, | ||
135 | .size = MTDPART_SIZ_FULL, | ||
136 | }, | ||
137 | }; | ||
138 | |||
139 | static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) | ||
140 | { | ||
141 | *num_partitions = ARRAY_SIZE(ek_nand_partition); | ||
142 | return ek_nand_partition; | ||
143 | } | ||
144 | |||
145 | /* det_pin is not connected */ | ||
146 | static struct at91_nand_data __initdata ek_nand_data = { | ||
147 | .ale = 21, | ||
148 | .cle = 22, | ||
149 | .rdy_pin = AT91_PIN_PC13, | ||
150 | .enable_pin = AT91_PIN_PC14, | ||
151 | .partition_info = nand_partitions, | ||
152 | #if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16) | ||
153 | .bus_width_16 = 1, | ||
154 | #else | ||
155 | .bus_width_16 = 0, | ||
156 | #endif | ||
157 | }; | ||
158 | |||
159 | |||
160 | /* | ||
161 | * MCI (SD/MMC) | ||
162 | * det_pin, wp_pin and vcc_pin are not connected | ||
163 | */ | ||
164 | static struct at91_mmc_data __initdata ek_mmc_data = { | ||
165 | .slot_b = 1, | ||
166 | .wire4 = 1, | ||
167 | }; | ||
168 | |||
169 | |||
170 | /* | ||
171 | * LEDs | ||
172 | */ | ||
173 | static struct gpio_led ek_leds[] = { | ||
174 | { /* "bottom" led, green, userled1 to be defined */ | ||
175 | .name = "ds5", | ||
176 | .gpio = AT91_PIN_PA6, | ||
177 | .active_low = 1, | ||
178 | .default_trigger = "none", | ||
179 | }, | ||
180 | { /* "power" led, yellow */ | ||
181 | .name = "ds1", | ||
182 | .gpio = AT91_PIN_PA9, | ||
183 | .default_trigger = "heartbeat", | ||
184 | } | ||
185 | }; | ||
186 | |||
187 | static void __init ek_board_init(void) | ||
188 | { | ||
189 | /* Serial */ | ||
190 | at91_add_device_serial(); | ||
191 | /* USB Host */ | ||
192 | at91_add_device_usbh(&ek_usbh_data); | ||
193 | /* USB Device */ | ||
194 | at91_add_device_udc(&ek_udc_data); | ||
195 | /* SPI */ | ||
196 | at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); | ||
197 | /* NAND */ | ||
198 | at91_add_device_nand(&ek_nand_data); | ||
199 | /* Ethernet */ | ||
200 | at91_add_device_eth(&ek_macb_data); | ||
201 | /* MMC */ | ||
202 | at91_add_device_mmc(0, &ek_mmc_data); | ||
203 | /* I2C */ | ||
204 | at91_add_device_i2c(NULL, 0); | ||
205 | /* LEDs */ | ||
206 | at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); | ||
207 | } | ||
208 | |||
209 | MACHINE_START(AT91SAM9G20EK, "Atmel AT91SAM9G20-EK") | ||
210 | /* Maintainer: Atmel */ | ||
211 | .phys_io = AT91_BASE_SYS, | ||
212 | .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, | ||
213 | .boot_params = AT91_SDRAM_BASE + 0x100, | ||
214 | .timer = &at91sam926x_timer, | ||
215 | .map_io = ek_map_io, | ||
216 | .init_irq = ek_init_irq, | ||
217 | .init_machine = ek_board_init, | ||
218 | MACHINE_END | ||