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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2009-11-03 14:39:02 -0500
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-11-10 18:46:35 -0500
commit01c62c9b32ec122bf5e3edeecec4d826cb8e81e5 (patch)
tree707d95579beead1faffece0e76b3c1dace297571 /arch/arm/mach-at91/board-eco920.c
parent1ea60cf7062271f0d53d09268726aa1544bf4836 (diff)
ARM: 5782/1: at91: support for eco920
CONFIG_MACH_ECO920 is enabled in at91rm9200dk_defconfig. The name is wrong, but this is better than adding another defconfig or don't get compile coverage at all. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Andrew Victor <linux@maxim.org.za> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-at91/board-eco920.c')
-rw-r--r--arch/arm/mach-at91/board-eco920.c158
1 files changed, 158 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/board-eco920.c b/arch/arm/mach-at91/board-eco920.c
new file mode 100644
index 000000000000..295a96609e71
--- /dev/null
+++ b/arch/arm/mach-at91/board-eco920.c
@@ -0,0 +1,158 @@
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 "generic.h"
30
31static void __init eco920_map_io(void)
32{
33 at91rm9200_initialize(18432000, AT91RM9200_PQFP);
34
35 /* Setup the LEDs */
36 at91_init_leds(AT91_PIN_PB0, AT91_PIN_PB1);
37
38 /* DBGU on ttyS0. (Rx & Tx only */
39 at91_register_uart(0, 0, 0);
40
41 /* set serial console to ttyS0 (ie, DBGU) */
42 at91_set_serial_console(0);
43}
44
45static void __init eco920_init_irq(void)
46{
47 at91rm9200_init_interrupts(NULL);
48}
49
50static struct at91_eth_data __initdata eco920_eth_data = {
51 .phy_irq_pin = AT91_PIN_PC2,
52 .is_rmii = 1,
53};
54
55static struct at91_usbh_data __initdata eco920_usbh_data = {
56 .ports = 1,
57};
58
59static struct at91_udc_data __initdata eco920_udc_data = {
60 .vbus_pin = AT91_PIN_PB12,
61 .pullup_pin = AT91_PIN_PB13,
62};
63
64static struct at91_mmc_data __initdata eco920_mmc_data = {
65 .slot_b = 0,
66 .wire4 = 0,
67};
68
69static struct physmap_flash_data eco920_flash_data = {
70 .width = 2,
71};
72
73static struct resource eco920_flash_resource = {
74 .start = 0x11000000,
75 .end = 0x11ffffff,
76 .flags = IORESOURCE_MEM,
77};
78
79static 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
89static struct resource at91_beeper_resources[] = {
90 [0] = {
91 .start = AT91RM9200_BASE_TC3,
92 .end = AT91RM9200_BASE_TC3 + 0x39,
93 .flags = IORESOURCE_MEM,
94 },
95};
96
97static struct platform_device at91_beeper = {
98 .name = "at91_beeper",
99 .id = 0,
100 .resource = at91_beeper_resources,
101 .num_resources = ARRAY_SIZE(at91_beeper_resources),
102};
103
104static struct spi_board_info eco920_spi_devices[] = {
105 { /* CAN controller */
106 .modalias = "tlv5638",
107 .chip_select = 3,
108 .max_speed_hz = 20 * 1000 * 1000,
109 .mode = SPI_CPHA,
110 },
111};
112
113static void __init eco920_board_init(void)
114{
115 at91_add_device_serial();
116 at91_add_device_eth(&eco920_eth_data);
117 at91_add_device_usbh(&eco920_usbh_data);
118 at91_add_device_udc(&eco920_udc_data);
119
120 at91_add_device_mmc(0, &eco920_mmc_data);
121 platform_device_register(&eco920_flash);
122
123 at91_sys_write(AT91_SMC_CSR(7), AT91_SMC_RWHOLD_(1)
124 | AT91_SMC_RWSETUP_(1)
125 | AT91_SMC_DBW_8
126 | AT91_SMC_WSEN
127 | AT91_SMC_NWS_(15));
128
129 at91_set_A_periph(AT91_PIN_PC6, 1);
130
131 at91_set_gpio_input(AT91_PIN_PA23, 0);
132 at91_set_deglitch(AT91_PIN_PA23, 1);
133
134/* Initialization of the Static Memory Controller for Chip Select 3 */
135 at91_sys_write(AT91_SMC_CSR(3),
136 AT91_SMC_DBW_16 | /* 16 bit */
137 AT91_SMC_WSEN |
138 AT91_SMC_NWS_(5) | /* wait states */
139 AT91_SMC_TDF_(1) /* float time */
140 );
141
142 at91_clock_associate("tc3_clk", &at91_beeper.dev, "at91_beeper");
143 at91_set_B_periph(AT91_PIN_PB6, 0);
144 platform_device_register(&at91_beeper);
145
146 at91_add_device_spi(eco920_spi_devices, ARRAY_SIZE(eco920_spi_devices));
147}
148
149MACHINE_START(ECO920, "eco920")
150 /* Maintainer: Sascha Hauer */
151 .phys_io = AT91_BASE_SYS,
152 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
153 .boot_params = AT91_SDRAM_BASE + 0x100,
154 .timer = &at91rm9200_timer,
155 .map_io = eco920_map_io,
156 .init_irq = eco920_init_irq,
157 .init_machine = eco920_board_init,
158MACHINE_END