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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> | |
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 | ||
a09e64fb | 30 | #include <mach/hardware.h> |
66dbfc6c AV |
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 | ||
a09e64fb RK |
39 | #include <mach/board.h> |
40 | #include <mach/gpio.h> | |
8cdae51a | 41 | #include <mach/at91sam9_smc.h> |
66dbfc6c | 42 | |
8cdae51a | 43 | #include "sam9_smc.h" |
66dbfc6c AV |
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, | |
e505240b | 131 | .size = 10 * SZ_1M, |
66dbfc6c AV |
132 | }, |
133 | { | |
134 | .name = "User Area", | |
e505240b | 135 | .offset = MTDPART_OFS_NXTBLK, |
66dbfc6c AV |
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 | ||
3c3796cc | 146 | static struct atmel_nand_data __initdata ek_nand_data = { |
66dbfc6c AV |
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, | |
66dbfc6c AV |
153 | }; |
154 | ||
8cdae51a AV |
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 | ||
66dbfc6c AV |
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 */ | |
8cdae51a | 204 | ek_add_device_nand(); |
66dbfc6c AV |
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 */ | |
66dbfc6c AV |
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 |