summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-kirkwood/board-lsxl.c
blob: 83d8975592f8b40028a48a1d50dfde1e3dc430b1 (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
/*
 * Copyright 2012 (C), Michael Walle <michael@walle.cc>
 *
 * arch/arm/mach-kirkwood/board-lsxl.c
 *
 * Buffalo Linkstation LS-XHL and LS-CHLv2 init for drivers not
 * converted to flattened device tree yet.
 *
 * 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/mtd/partitions.h>
#include <linux/ata_platform.h>
#include <linux/spi/flash.h>
#include <linux/spi/spi.h>
#include <linux/mv643xx_eth.h>
#include <linux/gpio.h>
#include <linux/gpio-fan.h>
#include <linux/input.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/kirkwood.h>
#include "common.h"
#include "mpp.h"

static struct mv643xx_eth_platform_data lsxl_ge00_data = {
	.phy_addr	= MV643XX_ETH_PHY_ADDR(0),
};

static struct mv643xx_eth_platform_data lsxl_ge01_data = {
	.phy_addr	= MV643XX_ETH_PHY_ADDR(8),
};

static unsigned int lsxl_mpp_config[] __initdata = {
	MPP10_GPO,	/* HDD Power Enable */
	MPP11_GPIO,	/* USB Vbus Enable */
	MPP18_GPO,	/* FAN High Enable# */
	MPP19_GPO,	/* FAN Low Enable# */
	MPP36_GPIO,	/* Function Blue LED */
	MPP37_GPIO,	/* Alarm LED */
	MPP38_GPIO,	/* Info LED */
	MPP39_GPIO,	/* Power LED */
	MPP40_GPIO,	/* Fan Lock */
	MPP41_GPIO,	/* Function Button */
	MPP42_GPIO,	/* Power Switch */
	MPP43_GPIO,	/* Power Auto Switch */
	MPP48_GPIO,	/* Function Red LED */
	0
};

#define LSXL_GPIO_FAN_HIGH	18
#define LSXL_GPIO_FAN_LOW	19
#define LSXL_GPIO_FAN_LOCK	40

static struct gpio_fan_alarm lsxl_alarm = {
	.gpio = LSXL_GPIO_FAN_LOCK,
};

static struct gpio_fan_speed lsxl_speeds[] = {
	{
		.rpm = 0,
		.ctrl_val = 3,
	}, {
		.rpm = 1500,
		.ctrl_val = 1,
	}, {
		.rpm = 3250,
		.ctrl_val = 2,
	}, {
		.rpm = 5000,
		.ctrl_val = 0,
	}
};

static int lsxl_gpio_list[] = {
	LSXL_GPIO_FAN_HIGH, LSXL_GPIO_FAN_LOW,
};

static struct gpio_fan_platform_data lsxl_fan_data = {
	.num_ctrl = ARRAY_SIZE(lsxl_gpio_list),
	.ctrl = lsxl_gpio_list,
	.alarm = &lsxl_alarm,
	.num_speed = ARRAY_SIZE(lsxl_speeds),
	.speed = lsxl_speeds,
};

static struct platform_device lsxl_fan_device = {
	.name = "gpio-fan",
	.id = -1,
	.num_resources = 0,
	.dev = {
		.platform_data = &lsxl_fan_data,
	},
};

/*
 * On the LS-XHL/LS-CHLv2, the shutdown process is following:
 * - Userland monitors key events until the power switch goes to off position
 * - The board reboots
 * - U-boot starts and goes into an idle mode waiting for the user
 *   to move the switch to ON position
 *
 */
static void lsxl_power_off(void)
{
	kirkwood_restart('h', NULL);
}

#define LSXL_GPIO_HDD_POWER 10
#define LSXL_GPIO_USB_POWER 11

void __init lsxl_init(void)
{
	/*
	 * Basic setup. Needs to be called early.
	 */
	kirkwood_mpp_conf(lsxl_mpp_config);

	/* usb and sata power on */
	gpio_set_value(LSXL_GPIO_USB_POWER, 1);
	gpio_set_value(LSXL_GPIO_HDD_POWER, 1);

	kirkwood_ehci_init();
	kirkwood_ge00_init(&lsxl_ge00_data);
	kirkwood_ge01_init(&lsxl_ge01_data);
	platform_device_register(&lsxl_fan_device);

	/* register power-off method */
	pm_power_off = lsxl_power_off;
}
OpenPOWER on IntegriCloud