1 /*
2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
11 *
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
15 */
16
17 #include <linux/init.h>
18 #include <linux/platform_device.h>
19 #include <linux/mtd/physmap.h>
20 #include <linux/gpio.h>
21
22 #include <asm/mach-types.h>
23
24 #include <asm/mach/arch.h>
25 #include <asm/mach/map.h>
26
27 #include <mach/at91rm9200_mc.h>
28 #include <mach/at91_ramc.h>
29 #include <mach/cpu.h>
30
31 #include "at91_aic.h"
32 #include "board.h"
33 #include "generic.h"
34 #include "gpio.h"
35
36
eco920_init_early(void)37 static void __init eco920_init_early(void)
38 {
39 /* Set cpu type: PQFP */
40 at91rm9200_set_type(ARCH_REVISON_9200_PQFP);
41
42 at91_initialize(18432000);
43 }
44
45 static struct macb_platform_data __initdata eco920_eth_data = {
46 .phy_irq_pin = AT91_PIN_PC2,
47 .is_rmii = 1,
48 };
49
50 static struct at91_usbh_data __initdata eco920_usbh_data = {
51 .ports = 1,
52 .vbus_pin = {-EINVAL, -EINVAL},
53 .overcurrent_pin= {-EINVAL, -EINVAL},
54 };
55
56 static struct at91_udc_data __initdata eco920_udc_data = {
57 .vbus_pin = AT91_PIN_PB12,
58 .pullup_pin = AT91_PIN_PB13,
59 };
60
61 static struct mci_platform_data __initdata eco920_mci0_data = {
62 .slot[0] = {
63 .bus_width = 1,
64 .detect_pin = -EINVAL,
65 .wp_pin = -EINVAL,
66 },
67 };
68
69 static struct physmap_flash_data eco920_flash_data = {
70 .width = 2,
71 };
72
73 static struct resource eco920_flash_resource = {
74 .start = 0x11000000,
75 .end = 0x11ffffff,
76 .flags = IORESOURCE_MEM,
77 };
78
79 static struct platform_device eco920_flash = {
80 .name = "physmap-flash",
81 .id = 0,
82 .dev = {
83 .platform_data = &eco920_flash_data,
84 },
85 .resource = &eco920_flash_resource,
86 .num_resources = 1,
87 };
88
89 static struct spi_board_info eco920_spi_devices[] = {
90 { /* CAN controller */
91 .modalias = "tlv5638",
92 .chip_select = 3,
93 .max_speed_hz = 20 * 1000 * 1000,
94 .mode = SPI_CPHA,
95 },
96 };
97
98 /*
99 * LEDs
100 */
101 static struct gpio_led eco920_leds[] = {
102 { /* D1 */
103 .name = "led1",
104 .gpio = AT91_PIN_PB0,
105 .active_low = 1,
106 .default_trigger = "heartbeat",
107 },
108 { /* D2 */
109 .name = "led2",
110 .gpio = AT91_PIN_PB1,
111 .active_low = 1,
112 .default_trigger = "timer",
113 }
114 };
115
eco920_board_init(void)116 static void __init eco920_board_init(void)
117 {
118 /* DBGU on ttyS0. (Rx & Tx only */
119 at91_register_uart(0, 0, 0);
120 at91_add_device_serial();
121 at91_add_device_eth(&eco920_eth_data);
122 at91_add_device_usbh(&eco920_usbh_data);
123 at91_add_device_udc(&eco920_udc_data);
124
125 at91_add_device_mci(0, &eco920_mci0_data);
126 platform_device_register(&eco920_flash);
127
128 at91_ramc_write(0, AT91_SMC_CSR(7), AT91_SMC_RWHOLD_(1)
129 | AT91_SMC_RWSETUP_(1)
130 | AT91_SMC_DBW_8
131 | AT91_SMC_WSEN
132 | AT91_SMC_NWS_(15));
133
134 at91_set_A_periph(AT91_PIN_PC6, 1);
135
136 at91_set_gpio_input(AT91_PIN_PA23, 0);
137 at91_set_deglitch(AT91_PIN_PA23, 1);
138
139 /* Initialization of the Static Memory Controller for Chip Select 3 */
140 at91_ramc_write(0, AT91_SMC_CSR(3),
141 AT91_SMC_DBW_16 | /* 16 bit */
142 AT91_SMC_WSEN |
143 AT91_SMC_NWS_(5) | /* wait states */
144 AT91_SMC_TDF_(1) /* float time */
145 );
146
147 at91_add_device_spi(eco920_spi_devices, ARRAY_SIZE(eco920_spi_devices));
148 /* LEDs */
149 at91_gpio_leds(eco920_leds, ARRAY_SIZE(eco920_leds));
150 }
151
152 MACHINE_START(ECO920, "eco920")
153 /* Maintainer: Sascha Hauer */
154 .init_time = at91rm9200_timer_init,
155 .map_io = at91_map_io,
156 .handle_irq = at91_aic_handle_irq,
157 .init_early = eco920_init_early,
158 .init_irq = at91_init_irq_default,
159 .init_machine = eco920_board_init,
160 MACHINE_END
161