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61352667 | 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 | ||
a09e64fb | 29 | #include <mach/hardware.h> |
61352667 | 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 | ||
a09e64fb RK |
38 | #include <mach/board.h> |
39 | #include <mach/gpio.h> | |
61352667 | 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, | |
e505240b | 125 | .size = 4 * SZ_1M, |
61352667 | 126 | }, |
127 | { | |
128 | .name = "Partition 1", | |
e505240b AV |
129 | .offset = MTDPART_OFS_NXTBLK, |
130 | .size = 60 * SZ_1M, | |
61352667 | 131 | }, |
132 | { | |
133 | .name = "Partition 2", | |
e505240b | 134 | .offset = MTDPART_OFS_NXTBLK, |
61352667 | 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 */ | |
7c896834 | 146 | static struct atmel_nand_data __initdata ek_nand_data = { |
61352667 | 147 | .ale = 21, |
148 | .cle = 22, | |
149 | .rdy_pin = AT91_PIN_PC13, | |
150 | .enable_pin = AT91_PIN_PC14, | |
151 | .partition_info = nand_partitions, | |
f6ed6f78 | 152 | #if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16) |
61352667 | 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 |