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
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
|
/*
* arch/arm/mach-orion5x/ls_hgl-setup.c
*
* Maintainer: Zhu Qingsen <zhuqs@cn.fujitsu.com>
*
* 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/physmap.h>
#include <linux/mv643xx_eth.h>
#include <linux/leds.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/i2c.h>
#include <linux/ata_platform.h>
#include <linux/gpio.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/system.h>
#include <mach/orion5x.h>
#include "common.h"
#include "mpp.h"
/*****************************************************************************
* Linkstation LS-HGL Info
****************************************************************************/
/*
* 256K NOR flash Device bus boot chip select
*/
#define LS_HGL_NOR_BOOT_BASE 0xf4000000
#define LS_HGL_NOR_BOOT_SIZE SZ_256K
/*****************************************************************************
* 256KB NOR Flash on BOOT Device
****************************************************************************/
static struct physmap_flash_data ls_hgl_nor_flash_data = {
.width = 1,
};
static struct resource ls_hgl_nor_flash_resource = {
.flags = IORESOURCE_MEM,
.start = LS_HGL_NOR_BOOT_BASE,
.end = LS_HGL_NOR_BOOT_BASE + LS_HGL_NOR_BOOT_SIZE - 1,
};
static struct platform_device ls_hgl_nor_flash = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &ls_hgl_nor_flash_data,
},
.num_resources = 1,
.resource = &ls_hgl_nor_flash_resource,
};
/*****************************************************************************
* Ethernet
****************************************************************************/
static struct mv643xx_eth_platform_data ls_hgl_eth_data = {
.phy_addr = 8,
};
/*****************************************************************************
* RTC 5C372a on I2C bus
****************************************************************************/
static struct i2c_board_info __initdata ls_hgl_i2c_rtc = {
I2C_BOARD_INFO("rs5c372a", 0x32),
};
/*****************************************************************************
* LEDs attached to GPIO
****************************************************************************/
#define LS_HGL_GPIO_LED_ALARM 2
#define LS_HGL_GPIO_LED_INFO 3
#define LS_HGL_GPIO_LED_FUNC 17
#define LS_HGL_GPIO_LED_PWR 0
static struct gpio_led ls_hgl_led_pins[] = {
{
.name = "alarm:red",
.gpio = LS_HGL_GPIO_LED_ALARM,
.active_low = 1,
}, {
.name = "info:amber",
.gpio = LS_HGL_GPIO_LED_INFO,
.active_low = 1,
}, {
.name = "func:blue:top",
.gpio = LS_HGL_GPIO_LED_FUNC,
.active_low = 1,
}, {
.name = "power:blue:bottom",
.gpio = LS_HGL_GPIO_LED_PWR,
},
};
static struct gpio_led_platform_data ls_hgl_led_data = {
.leds = ls_hgl_led_pins,
.num_leds = ARRAY_SIZE(ls_hgl_led_pins),
};
static struct platform_device ls_hgl_leds = {
.name = "leds-gpio",
.id = -1,
.dev = {
.platform_data = &ls_hgl_led_data,
},
};
/****************************************************************************
* GPIO Attached Keys
****************************************************************************/
#define LS_HGL_GPIO_KEY_FUNC 15
#define LS_HGL_GPIO_KEY_POWER 8
#define LS_HGL_GPIO_KEY_AUTOPOWER 10
#define LS_HGL_SW_POWER 0x00
#define LS_HGL_SW_AUTOPOWER 0x01
static struct gpio_keys_button ls_hgl_buttons[] = {
{
.code = KEY_OPTION,
.gpio = LS_HGL_GPIO_KEY_FUNC,
.desc = "Function Button",
.active_low = 1,
}, {
.type = EV_SW,
.code = LS_HGL_SW_POWER,
.gpio = LS_HGL_GPIO_KEY_POWER,
.desc = "Power-on Switch",
.active_low = 1,
}, {
.type = EV_SW,
.code = LS_HGL_SW_AUTOPOWER,
.gpio = LS_HGL_GPIO_KEY_AUTOPOWER,
.desc = "Power-auto Switch",
.active_low = 1,
},
};
static struct gpio_keys_platform_data ls_hgl_button_data = {
.buttons = ls_hgl_buttons,
.nbuttons = ARRAY_SIZE(ls_hgl_buttons),
};
static struct platform_device ls_hgl_button_device = {
.name = "gpio-keys",
.id = -1,
.num_resources = 0,
.dev = {
.platform_data = &ls_hgl_button_data,
},
};
/*****************************************************************************
* SATA
****************************************************************************/
static struct mv_sata_platform_data ls_hgl_sata_data = {
.n_ports = 2,
};
/*****************************************************************************
* Linkstation LS-HGL specific power off method: reboot
****************************************************************************/
/*
* On the Linkstation LS-HGL, 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 ls_hgl_power_off(void)
{
arm_machine_restart('h', NULL);
}
/*****************************************************************************
* General Setup
****************************************************************************/
#define LS_HGL_GPIO_USB_POWER 9
#define LS_HGL_GPIO_AUTO_POWER 10
#define LS_HGL_GPIO_POWER 8
#define LS_HGL_GPIO_HDD_POWER 1
static unsigned int ls_hgl_mpp_modes[] __initdata = {
MPP0_GPIO, /* LED_PWR */
MPP1_GPIO, /* HDD_PWR */
MPP2_GPIO, /* LED_ALARM */
MPP3_GPIO, /* LED_INFO */
MPP4_UNUSED,
MPP5_UNUSED,
MPP6_GPIO, /* FAN_LCK */
MPP7_GPIO, /* INIT */
MPP8_GPIO, /* POWER */
MPP9_GPIO, /* USB_PWR */
MPP10_GPIO, /* AUTO_POWER */
MPP11_UNUSED, /* LED_ETH (dummy) */
MPP12_UNUSED,
MPP13_UNUSED,
MPP14_UNUSED,
MPP15_GPIO, /* FUNC */
MPP16_UNUSED,
MPP17_GPIO, /* LED_FUNC */
MPP18_UNUSED,
MPP19_UNUSED,
0,
};
static void __init ls_hgl_init(void)
{
/*
* Setup basic Orion functions. Need to be called early.
*/
orion5x_init();
orion5x_mpp_conf(ls_hgl_mpp_modes);
/*
* Configure peripherals.
*/
orion5x_ehci0_init();
orion5x_ehci1_init();
orion5x_eth_init(&ls_hgl_eth_data);
orion5x_i2c_init();
orion5x_sata_init(&ls_hgl_sata_data);
orion5x_uart0_init();
orion5x_xor_init();
orion5x_setup_dev_boot_win(LS_HGL_NOR_BOOT_BASE,
LS_HGL_NOR_BOOT_SIZE);
platform_device_register(&ls_hgl_nor_flash);
platform_device_register(&ls_hgl_button_device);
platform_device_register(&ls_hgl_leds);
i2c_register_board_info(0, &ls_hgl_i2c_rtc, 1);
/* enable USB power */
gpio_set_value(LS_HGL_GPIO_USB_POWER, 1);
/* register power-off method */
pm_power_off = ls_hgl_power_off;
pr_info("%s: finished\n", __func__);
}
MACHINE_START(LINKSTATION_LS_HGL, "Buffalo Linkstation LS-HGL")
/* Maintainer: Zhu Qingsen <zhuqs@cn.fujistu.com> */
.atag_offset = 0x100,
.init_machine = ls_hgl_init,
.map_io = orion5x_map_io,
.init_early = orion5x_init_early,
.init_irq = orion5x_init_irq,
.timer = &orion5x_timer,
.fixup = tag_fixup_mem32,
MACHINE_END
|
