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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/init.h> |
25 | #include <linux/mm.h> |
26 | #include <linux/module.h> |
27 | #include <linux/platform_device.h> |
28 | #include <linux/spi/spi.h> |
29 | |
30 | #include <mach/hardware.h> |
31 | #include <asm/setup.h> |
32 | #include <asm/mach-types.h> |
33 | #include <asm/irq.h> |
34 | |
35 | #include <asm/mach/arch.h> |
36 | #include <asm/mach/map.h> |
37 | #include <asm/mach/irq.h> |
38 | |
39 | #include <mach/board.h> |
40 | #include <mach/gpio.h> |
41 | #include <mach/at91sam9_smc.h> |
42 | |
43 | #include "sam9_smc.h" |
44 | #include "generic.h" |
45 | |
46 | |
47 | static void __init ek_map_io(void) |
48 | { |
49 | /* Initialize processor: 18.432 MHz crystal */ |
50 | at91sam9260_initialize(18432000); |
51 | |
52 | /* Setup the LEDs */ |
53 | at91_init_leds(AT91_PIN_PA9, AT91_PIN_PA6); |
54 | |
55 | /* DBGU on ttyS0. (Rx & Tx only) */ |
56 | at91_register_uart(0, 0, 0); |
57 | |
58 | /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ |
59 | at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS |
60 | | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD |
61 | | ATMEL_UART_RI); |
62 | |
63 | /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */ |
64 | at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS); |
65 | |
66 | /* set serial console to ttyS0 (ie, DBGU) */ |
67 | at91_set_serial_console(0); |
68 | } |
69 | |
70 | static void __init ek_init_irq(void) |
71 | { |
72 | at91sam9260_init_interrupts(NULL); |
73 | } |
74 | |
75 | |
76 | /* |
77 | * USB Host port |
78 | */ |
79 | static struct at91_usbh_data __initdata ek_usbh_data = { |
80 | .ports = 2, |
81 | }; |
82 | |
83 | /* |
84 | * USB Device port |
85 | */ |
86 | static struct at91_udc_data __initdata ek_udc_data = { |
87 | .vbus_pin = AT91_PIN_PC5, |
88 | .pullup_pin = 0, /* pull-up driven by UDC */ |
89 | }; |
90 | |
91 | |
92 | /* |
93 | * SPI devices. |
94 | */ |
95 | static struct spi_board_info ek_spi_devices[] = { |
96 | #if !defined(CONFIG_MMC_AT91) |
97 | { /* DataFlash chip */ |
98 | .modalias = "mtd_dataflash", |
99 | .chip_select = 1, |
100 | .max_speed_hz = 15 * 1000 * 1000, |
101 | .bus_num = 0, |
102 | }, |
103 | #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD) |
104 | { /* DataFlash card */ |
105 | .modalias = "mtd_dataflash", |
106 | .chip_select = 0, |
107 | .max_speed_hz = 15 * 1000 * 1000, |
108 | .bus_num = 0, |
109 | }, |
110 | #endif |
111 | #endif |
112 | }; |
113 | |
114 | |
115 | /* |
116 | * MACB Ethernet device |
117 | */ |
118 | static struct at91_eth_data __initdata ek_macb_data = { |
119 | .phy_irq_pin = AT91_PIN_PA7, |
120 | .is_rmii = 0, |
121 | }; |
122 | |
123 | |
124 | /* |
125 | * NAND flash |
126 | */ |
127 | static struct mtd_partition __initdata ek_nand_partition[] = { |
128 | { |
129 | .name = "Bootloader Area", |
130 | .offset = 0, |
131 | .size = 10 * SZ_1M, |
132 | }, |
133 | { |
134 | .name = "User Area", |
135 | .offset = MTDPART_OFS_NXTBLK, |
136 | .size = MTDPART_SIZ_FULL, |
137 | }, |
138 | }; |
139 | |
140 | static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) |
141 | { |
142 | *num_partitions = ARRAY_SIZE(ek_nand_partition); |
143 | return ek_nand_partition; |
144 | } |
145 | |
146 | static struct atmel_nand_data __initdata ek_nand_data = { |
147 | .ale = 21, |
148 | .cle = 22, |
149 | // .det_pin = ... not connected |
150 | .rdy_pin = AT91_PIN_PC13, |
151 | .enable_pin = AT91_PIN_PC14, |
152 | .partition_info = nand_partitions, |
153 | }; |
154 | |
155 | static struct sam9_smc_config __initdata ek_nand_smc_config = { |
156 | .ncs_read_setup = 0, |
157 | .nrd_setup = 1, |
158 | .ncs_write_setup = 0, |
159 | .nwe_setup = 1, |
160 | |
161 | .ncs_read_pulse = 3, |
162 | .nrd_pulse = 3, |
163 | .ncs_write_pulse = 3, |
164 | .nwe_pulse = 3, |
165 | |
166 | .read_cycle = 5, |
167 | .write_cycle = 5, |
168 | |
169 | .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8, |
170 | .tdf_cycles = 2, |
171 | }; |
172 | |
173 | static void __init ek_add_device_nand(void) |
174 | { |
175 | /* configure chip-select 3 (NAND) */ |
176 | sam9_smc_configure(3, &ek_nand_smc_config); |
177 | |
178 | at91_add_device_nand(&ek_nand_data); |
179 | } |
180 | |
181 | |
182 | /* |
183 | * MCI (SD/MMC) |
184 | */ |
185 | static struct at91_mmc_data __initdata ek_mmc_data = { |
186 | .slot_b = 1, |
187 | .wire4 = 1, |
188 | .det_pin = AT91_PIN_PC8, |
189 | .wp_pin = AT91_PIN_PC4, |
190 | // .vcc_pin = ... not connected |
191 | }; |
192 | |
193 | static void __init ek_board_init(void) |
194 | { |
195 | /* Serial */ |
196 | at91_add_device_serial(); |
197 | /* USB Host */ |
198 | at91_add_device_usbh(&ek_usbh_data); |
199 | /* USB Device */ |
200 | at91_add_device_udc(&ek_udc_data); |
201 | /* SPI */ |
202 | at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); |
203 | /* NAND */ |
204 | ek_add_device_nand(); |
205 | /* Ethernet */ |
206 | at91_add_device_eth(&ek_macb_data); |
207 | /* MMC */ |
208 | at91_add_device_mmc(0, &ek_mmc_data); |
209 | /* I2C */ |
210 | at91_add_device_i2c(NULL, 0); |
211 | } |
212 | |
213 | MACHINE_START(SAM9_L9260, "Olimex SAM9-L9260") |
214 | /* Maintainer: Olimex */ |
215 | .boot_params = AT91_SDRAM_BASE + 0x100, |
216 | .timer = &at91sam926x_timer, |
217 | .map_io = ek_map_io, |
218 | .init_irq = ek_init_irq, |
219 | .init_machine = ek_board_init, |
220 | MACHINE_END |
221 |
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