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/board.h>
28 #include <mach/at91rm9200_mc.h>
29 #include <mach/cpu.h>
30 
31 #include "generic.h"
32 
eco920_init_early(void)33 static void __init eco920_init_early(void)
34 {
35 	/* Set cpu type: PQFP */
36 	at91rm9200_set_type(ARCH_REVISON_9200_PQFP);
37 
38 	at91_initialize(18432000);
39 
40 	/* Setup the LEDs */
41 	at91_init_leds(AT91_PIN_PB0, AT91_PIN_PB1);
42 
43 	/* DBGU on ttyS0. (Rx & Tx only */
44 	at91_register_uart(0, 0, 0);
45 
46 	/* set serial console to ttyS0 (ie, DBGU) */
47 	at91_set_serial_console(0);
48 }
49 
50 static struct macb_platform_data __initdata eco920_eth_data = {
51 	.phy_irq_pin	= AT91_PIN_PC2,
52 	.is_rmii	= 1,
53 };
54 
55 static struct at91_usbh_data __initdata eco920_usbh_data = {
56 	.ports		= 1,
57 	.vbus_pin	= {-EINVAL, -EINVAL},
58 	.overcurrent_pin= {-EINVAL, -EINVAL},
59 };
60 
61 static struct at91_udc_data __initdata eco920_udc_data = {
62 	.vbus_pin	= AT91_PIN_PB12,
63 	.pullup_pin	= AT91_PIN_PB13,
64 };
65 
66 static struct at91_mmc_data __initdata eco920_mmc_data = {
67 	.slot_b		= 0,
68 	.wire4		= 0,
69 	.det_pin	= -EINVAL,
70 	.wp_pin		= -EINVAL,
71 	.vcc_pin	= -EINVAL,
72 };
73 
74 static struct physmap_flash_data eco920_flash_data = {
75 	.width  = 2,
76 };
77 
78 static struct resource eco920_flash_resource = {
79 	.start          = 0x11000000,
80 	.end            = 0x11ffffff,
81 	.flags          = IORESOURCE_MEM,
82 };
83 
84 static struct platform_device eco920_flash = {
85 	.name           = "physmap-flash",
86 	.id             = 0,
87 	.dev            = {
88 		.platform_data  = &eco920_flash_data,
89 	},
90 	.resource       = &eco920_flash_resource,
91 	.num_resources  = 1,
92 };
93 
94 static struct spi_board_info eco920_spi_devices[] = {
95 	{	/* CAN controller */
96 		.modalias	= "tlv5638",
97 		.chip_select	= 3,
98 		.max_speed_hz	= 20 * 1000 * 1000,
99 		.mode		= SPI_CPHA,
100 	},
101 };
102 
eco920_board_init(void)103 static void __init eco920_board_init(void)
104 {
105 	at91_add_device_serial();
106 	at91_add_device_eth(&eco920_eth_data);
107 	at91_add_device_usbh(&eco920_usbh_data);
108 	at91_add_device_udc(&eco920_udc_data);
109 
110 	at91_add_device_mmc(0, &eco920_mmc_data);
111 	platform_device_register(&eco920_flash);
112 
113 	at91_sys_write(AT91_SMC_CSR(7),	AT91_SMC_RWHOLD_(1)
114 				| AT91_SMC_RWSETUP_(1)
115 				| AT91_SMC_DBW_8
116 				| AT91_SMC_WSEN
117 				| AT91_SMC_NWS_(15));
118 
119 	at91_set_A_periph(AT91_PIN_PC6, 1);
120 
121 	at91_set_gpio_input(AT91_PIN_PA23, 0);
122 	at91_set_deglitch(AT91_PIN_PA23, 1);
123 
124 /* Initialization of the Static Memory Controller for Chip Select 3 */
125 	at91_sys_write(AT91_SMC_CSR(3),
126 		AT91_SMC_DBW_16  |	/* 16 bit */
127 		AT91_SMC_WSEN    |
128 		AT91_SMC_NWS_(5) |	/* wait states */
129 		AT91_SMC_TDF_(1)	/* float time */
130 	);
131 
132 	at91_add_device_spi(eco920_spi_devices, ARRAY_SIZE(eco920_spi_devices));
133 }
134 
135 MACHINE_START(ECO920, "eco920")
136 	/* Maintainer: Sascha Hauer */
137 	.timer		= &at91rm9200_timer,
138 	.map_io		= at91_map_io,
139 	.init_early	= eco920_init_early,
140 	.init_irq	= at91_init_irq_default,
141 	.init_machine	= eco920_board_init,
142 MACHINE_END
143