Root/target/linux/at91/files/arch/arm/mach-at91/board-tqma9263.c

1/*
2 * Copyright (C) 2008 I2SE GmbH
3 * Copyright (C) 2010 IEQualize GmbH
4 * Copyright (C) 2010-2011 Michael Heimpold
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21#include <linux/types.h>
22#include <linux/init.h>
23#include <linux/mm.h>
24#include <linux/module.h>
25#include <linux/platform_device.h>
26#include <linux/fb.h>
27
28#include <mach/hardware.h>
29#include <asm/setup.h>
30#include <asm/mach-types.h>
31#include <asm/irq.h>
32
33#include <asm/mach/arch.h>
34#include <asm/mach/map.h>
35#include <asm/mach/irq.h>
36
37#include <mach/board.h>
38#include <mach/gpio.h>
39#include <mach/at91sam9_smc.h>
40
41#include <video/atmel_lcdc.h>
42
43#include "sam9_smc.h"
44#include "generic.h"
45
46#include <linux/atmel_serial.h>
47
48
49static void __init tqma9263_map_io(void)
50{
51    unsigned pins;
52
53    /* Initialize processor: 18.432 MHz crystal */
54    at91sam9263_initialize(18432000);
55
56    /* DGBU on ttyS0. (Rx & Tx only) */
57    at91_register_uart(0, 0, 0);
58
59    /* USART0 on ttyS1 */
60    pins = ATMEL_UART_CTS | ATMEL_UART_RTS |
61           ATMEL_UART_DSR | ATMEL_UART_DTR |
62           ATMEL_UART_DCD | ATMEL_UART_RI;
63    at91_register_uart(AT91SAM9263_ID_US0, 1, pins);
64
65    /* USART1 on ttyS2 */
66    pins = ATMEL_UART_RTS;
67    at91_register_uart(AT91SAM9263_ID_US1, 2, pins);
68
69    /* USART2 on ttyS3 */
70    pins = ATMEL_UART_RTS;
71    at91_register_uart(AT91SAM9263_ID_US2, 3, pins);
72
73    /* set serial console to ttyS0 (ie, DBGU) */
74    at91_set_serial_console(0);
75}
76
77
78static void __init tqma9263_init_irq(void)
79{
80    at91sam9263_init_interrupts(NULL);
81}
82
83
84/*
85 * USB Host port
86 */
87static struct at91_usbh_data __initdata tqma9263_usbh_data = {
88    .ports = 2,
89    .vbus_pin = { AT91_PIN_PA24, AT91_PIN_PA21 },
90    .vbus_active_high = 1,
91};
92
93
94/*
95 * USB Device port
96 */
97static struct at91_udc_data __initdata tqma9263_udc_data = {
98    .vbus_pin = AT91_PIN_PA25,
99    .pullup_pin = 0, /* pull-up driven by UDC */
100};
101
102
103/*
104 * MCI (SD/MMC)
105 */
106static struct at91_mmc_data __initdata tqma9263_mmc_data = {
107    .wire4 = 1,
108    .det_pin = AT91_PIN_PE18,
109    .wp_pin = AT91_PIN_PB28,
110};
111
112
113/*
114 * MACB Ethernet device
115 */
116static struct at91_eth_data __initdata tqma9263_macb_data = {
117    .phy_irq_pin = AT91_PIN_PE31,
118    .is_rmii = 1,
119};
120
121
122/*
123 * I2C devices
124 */
125static struct i2c_board_info __initdata tqma9263_i2c_devices[] = {
126    {
127        I2C_BOARD_INFO("pcf8563", 0x51),
128    },
129    {
130        I2C_BOARD_INFO("24c04", 0x52),
131    },
132};
133
134
135/*
136 * NAND flash
137 */
138static struct mtd_partition __initdata tqma9263_nand_partition[] = {
139    {
140        .name = "uboot",
141        .offset = 0,
142        .size = 3 * SZ_128K,
143    },
144    {
145        .name = "uboot-env",
146        .offset = MTDPART_OFS_NXTBLK,
147        .size = SZ_128K,
148    },
149    {
150        .name = "linux",
151        .offset = MTDPART_OFS_NXTBLK,
152        .size = SZ_2M,
153    },
154    {
155        .name = "rootfs",
156        .offset = MTDPART_OFS_NXTBLK,
157        .size = MTDPART_SIZ_FULL,
158    },
159};
160
161static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
162{
163    *num_partitions = ARRAY_SIZE(tqma9263_nand_partition);
164    return tqma9263_nand_partition;
165}
166
167static struct atmel_nand_data __initdata tqma9263_nand_data = {
168    .ale = 21,
169    .cle = 22,
170    .rdy_pin = AT91_PIN_PD14,
171    .enable_pin = AT91_PIN_PD15,
172    .partition_info = nand_partitions,
173};
174
175static struct sam9_smc_config __initdata tqma9263_nand_smc_config = {
176    .ncs_read_setup = 0,
177    .nrd_setup = 1,
178    .ncs_write_setup = 0,
179    .nwe_setup = 1,
180
181    .ncs_read_pulse = 3,
182    .nrd_pulse = 3,
183    .ncs_write_pulse = 3,
184    .nwe_pulse = 3,
185
186    .read_cycle = 5,
187    .write_cycle = 5,
188
189    .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
190    .tdf_cycles = 2,
191};
192
193static void __init tqma9263_add_device_nand(void)
194{
195    /* configure chip-select 3 (NAND) */
196    sam9_smc_configure(3, &tqma9263_nand_smc_config);
197
198    at91_add_device_nand(&tqma9263_nand_data);
199}
200
201
202static void __init tqma9263_board_init(void)
203{
204    /* Serial */
205    at91_add_device_serial();
206    /* USB Host */
207    at91_add_device_usbh(&tqma9263_usbh_data);
208    /* USB Device */
209    at91_add_device_udc(&tqma9263_udc_data);
210    /* MMC */
211    at91_add_device_mmc(1, &tqma9263_mmc_data);
212    /* I2C */
213    at91_add_device_i2c(tqma9263_i2c_devices, ARRAY_SIZE(tqma9263_i2c_devices));
214    /* Ethernet */
215    at91_add_device_eth(&tqma9263_macb_data);
216    /* NAND flash */
217    tqma9263_add_device_nand();
218}
219
220MACHINE_START(TQMA9263, "TQ Components TQMa9263")
221    /* Maintainer: Michael Heimpold */
222    .phys_io = AT91_BASE_SYS,
223    .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
224    .boot_params = AT91_SDRAM_BASE + 0x100,
225    .timer = &at91sam926x_timer,
226    .map_io = tqma9263_map_io,
227    .init_irq = tqma9263_init_irq,
228    .init_machine = tqma9263_board_init,
229MACHINE_END
230

Archive Download this file



interactive