aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-kirkwood/sheevaplug-setup.c
blob: 4ea70e5f7137587e8cbac4e0211f8ee3d370b6f5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
/*
 * arch/arm/mach-kirkwood/sheevaplug-setup.c
 *
 * Marvell SheevaPlug Reference Board Setup
 *
 * This file is licensed under the terms of the GNU General Public
 * License version 2.  This program is licensed "as is" without any
 * warranty of any kind, whether express or implied.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/ata_platform.h>
#include <linux/mtd/partitions.h>
#include <linux/mv643xx_eth.h>
#include <linux/gpio.h>
#include <linux/leds.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/kirkwood.h>
#include <plat/mvsdio.h>
#include "common.h"
#include "mpp.h"

static struct mtd_partition sheevaplug_nand_parts[] = {
	{
		.name = "u-boot",
		.offset = 0,
		.size = SZ_1M
	}, {
		.name = "uImage",
		.offset = MTDPART_OFS_NXTBLK,
		.size = SZ_4M
	}, {
		.name = "root",
		.offset = MTDPART_OFS_NXTBLK,
		.size = MTDPART_SIZ_FULL
	},
};

static struct mv643xx_eth_platform_data sheevaplug_ge00_data = {
	.phy_addr	= MV643XX_ETH_PHY_ADDR(0),
};

static struct mv_sata_platform_data sheeva_esata_sata_data = {
	.n_ports	= 2,
};

static struct mvsdio_platform_data sheevaplug_mvsdio_data = {
	/* unfortunately the CD signal has not been connected */
};

static struct mvsdio_platform_data sheeva_esata_mvsdio_data = {
	.gpio_write_protect = 44, /* MPP44 used as SD write protect */
	.gpio_card_detect = 47,	  /* MPP47 used as SD card detect */
};

static struct gpio_led sheevaplug_led_pins[] = {
	{
		.name			= "plug:red:misc",
		.default_trigger	= "none",
		.gpio			= 46,
		.active_low		= 1,
	},
	{
		.name			= "plug:green:health",
		.default_trigger	= "default-on",
		.gpio			= 49,
		.active_low		= 1,
	},
};

static struct gpio_led_platform_data sheevaplug_led_data = {
	.leds		= sheevaplug_led_pins,
	.num_leds	= ARRAY_SIZE(sheevaplug_led_pins),
};

static struct platform_device sheevaplug_leds = {
	.name	= "leds-gpio",
	.id	= -1,
	.dev	= {
		.platform_data	= &sheevaplug_led_data,
	}
};

static unsigned int sheevaplug_mpp_config[] __initdata = {
	MPP29_GPIO,	/* USB Power Enable */
	MPP46_GPIO,	/* LED Red */
	MPP49_GPIO,	/* LED */
	0
};

static unsigned int sheeva_esata_mpp_config[] __initdata = {
	MPP29_GPIO,	/* USB Power Enable */
	MPP44_GPIO,	/* SD Write Protect */
	MPP47_GPIO,	/* SD Card Detect */
	MPP49_GPIO,	/* LED Green */
	0
};

static void __init sheevaplug_init(void)
{
	/*
	 * Basic setup. Needs to be called early.
	 */
	kirkwood_init();

	/* setup gpio pin select */
	if (machine_is_esata_sheevaplug())
		kirkwood_mpp_conf(sheeva_esata_mpp_config);
	else
		kirkwood_mpp_conf(sheevaplug_mpp_config);

	kirkwood_uart0_init();
	kirkwood_nand_init(ARRAY_AND_SIZE(sheevaplug_nand_parts), 25);

	if (gpio_request(29, "USB Power Enable") != 0 ||
	    gpio_direction_output(29, 1) != 0)
		printk(KERN_ERR "can't set up GPIO 29 (USB Power Enable)\n");
	kirkwood_ehci_init();

	kirkwood_ge00_init(&sheevaplug_ge00_data);

	/* honor lower power consumption for plugs with out eSATA */
	if (machine_is_esata_sheevaplug())
		kirkwood_sata_init(&sheeva_esata_sata_data);

	/* enable sd wp and sd cd on plugs with esata */
	if (machine_is_esata_sheevaplug())
		kirkwood_sdio_init(&sheeva_esata_mvsdio_data);
	else
		kirkwood_sdio_init(&sheevaplug_mvsdio_data);

	platform_device_register(&sheevaplug_leds);
}

#ifdef CONFIG_MACH_SHEEVAPLUG
MACHINE_START(SHEEVAPLUG, "Marvell SheevaPlug Reference Board")
	/* Maintainer: shadi Ammouri <shadi@marvell.com> */
	.atag_offset	= 0x100,
	.init_machine	= sheevaplug_init,
	.map_io		= kirkwood_map_io,
	.init_early	= kirkwood_init_early,
	.init_irq	= kirkwood_init_irq,
	.timer		= &kirkwood_timer,
	.restart	= kirkwood_restart,
MACHINE_END
#endif

#ifdef CONFIG_MACH_ESATA_SHEEVAPLUG
MACHINE_START(ESATA_SHEEVAPLUG, "Marvell eSATA SheevaPlug Reference Board")
	.atag_offset	= 0x100,
	.init_machine	= sheevaplug_init,
	.map_io		= kirkwood_map_io,
	.init_early	= kirkwood_init_early,
	.init_irq	= kirkwood_init_irq,
	.timer		= &kirkwood_timer,
	.restart	= kirkwood_restart,
MACHINE_END
#endif