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
|
/*
* arch/arm/mach-orion5x/edmini_v2-setup.c
*
* LaCie Ethernet Disk mini V2 Setup
*
* Copyright (C) 2008 Christopher Moore <moore@free.fr>
* Copyright (C) 2008 Albert Aribaud <albert.aribaud@free.fr>
*
* 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.
*/
/*
* TODO: add Orion USB device port init when kernel.org support is added.
* TODO: add flash write support: see below.
* TODO: add power-off support.
* TODO: add I2C EEPROM support.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/pci.h>
#include <linux/irq.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/mach/pci.h>
#include <mach/orion5x.h>
#include "common.h"
#include "mpp.h"
/*****************************************************************************
* EDMINI_V2 Info
****************************************************************************/
/*
* 512KB NOR flash Device bus boot chip select
*/
#define EDMINI_V2_NOR_BOOT_BASE 0xfff80000
#define EDMINI_V2_NOR_BOOT_SIZE SZ_512K
/*****************************************************************************
* 512KB NOR Flash on BOOT Device
****************************************************************************/
/*
* Currently the MTD code does not recognize the MX29LV400CBCT as a bottom
* -type device. This could cause risks of accidentally erasing critical
* flash sectors. We thus define a single, write-protected partition covering
* the whole flash.
* TODO: once the flash part TOP/BOTTOM detection issue is sorted out in the MTD
* code, break this into at least three partitions: 'u-boot code', 'u-boot
* environment' and 'whatever is left'.
*/
static struct mtd_partition edmini_v2_partitions[] = {
{
.name = "Full512kb",
.size = 0x00080000,
.offset = 0x00000000,
.mask_flags = MTD_WRITEABLE,
},
};
static struct physmap_flash_data edmini_v2_nor_flash_data = {
.width = 1,
.parts = edmini_v2_partitions,
.nr_parts = ARRAY_SIZE(edmini_v2_partitions),
};
static struct resource edmini_v2_nor_flash_resource = {
.flags = IORESOURCE_MEM,
.start = EDMINI_V2_NOR_BOOT_BASE,
.end = EDMINI_V2_NOR_BOOT_BASE
+ EDMINI_V2_NOR_BOOT_SIZE - 1,
};
static struct platform_device edmini_v2_nor_flash = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &edmini_v2_nor_flash_data,
},
.num_resources = 1,
.resource = &edmini_v2_nor_flash_resource,
};
/*****************************************************************************
* Ethernet
****************************************************************************/
static struct mv643xx_eth_platform_data edmini_v2_eth_data = {
.phy_addr = 8,
};
/*****************************************************************************
* RTC 5C372a on I2C bus
****************************************************************************/
#define EDMINIV2_RTC_GPIO 3
static struct i2c_board_info __initdata edmini_v2_i2c_rtc = {
I2C_BOARD_INFO("rs5c372a", 0x32),
.irq = 0,
};
/*****************************************************************************
* Sata
****************************************************************************/
static struct mv_sata_platform_data edmini_v2_sata_data = {
.n_ports = 2,
};
/*****************************************************************************
* GPIO LED (simple - doesn't use hardware blinking support)
****************************************************************************/
#define EDMINI_V2_GPIO_LED_POWER 16
static struct gpio_led edmini_v2_leds[] = {
{
.name = "power:blue",
.gpio = EDMINI_V2_GPIO_LED_POWER,
.active_low = 1,
},
};
static struct gpio_led_platform_data edmini_v2_led_data = {
.num_leds = ARRAY_SIZE(edmini_v2_leds),
.leds = edmini_v2_leds,
};
static struct platform_device edmini_v2_gpio_leds = {
.name = "leds-gpio",
.id = -1,
.dev = {
.platform_data = &edmini_v2_led_data,
},
};
/****************************************************************************
* GPIO key
****************************************************************************/
#define EDMINI_V2_GPIO_KEY_POWER 18
static struct gpio_keys_button edmini_v2_buttons[] = {
{
.code = KEY_POWER,
.gpio = EDMINI_V2_GPIO_KEY_POWER,
.desc = "Power Button",
.active_low = 0,
},
};
static struct gpio_keys_platform_data edmini_v2_button_data = {
.buttons = edmini_v2_buttons,
.nbuttons = ARRAY_SIZE(edmini_v2_buttons),
};
static struct platform_device edmini_v2_gpio_buttons = {
.name = "gpio-keys",
.id = -1,
.dev = {
.platform_data = &edmini_v2_button_data,
},
};
/*****************************************************************************
* General Setup
****************************************************************************/
static unsigned int edminiv2_mpp_modes[] __initdata = {
MPP0_UNUSED,
MPP1_UNUSED,
MPP2_UNUSED,
MPP3_GPIO, /* RTC interrupt */
MPP4_UNUSED,
MPP5_UNUSED,
MPP6_UNUSED,
MPP7_UNUSED,
MPP8_UNUSED,
MPP9_UNUSED,
MPP10_UNUSED,
MPP11_UNUSED,
MPP12_SATA_LED, /* SATA 0 presence */
MPP13_SATA_LED, /* SATA 1 presence */
MPP14_SATA_LED, /* SATA 0 active */
MPP15_SATA_LED, /* SATA 1 active */
/* 16: Power LED control (0 = On, 1 = Off) */
MPP16_GPIO,
/* 17: Power LED control select (0 = CPLD, 1 = GPIO16) */
MPP17_GPIO,
/* 18: Power button status (0 = Released, 1 = Pressed) */
MPP18_GPIO,
MPP19_UNUSED,
0,
};
static void __init edmini_v2_init(void)
{
/*
* Setup basic Orion functions. Need to be called early.
*/
orion5x_init();
orion5x_mpp_conf(edminiv2_mpp_modes);
/*
* Configure peripherals.
*/
orion5x_ehci0_init();
orion5x_eth_init(&edmini_v2_eth_data);
orion5x_i2c_init();
orion5x_sata_init(&edmini_v2_sata_data);
orion5x_uart0_init();
orion5x_setup_dev_boot_win(EDMINI_V2_NOR_BOOT_BASE,
EDMINI_V2_NOR_BOOT_SIZE);
platform_device_register(&edmini_v2_nor_flash);
platform_device_register(&edmini_v2_gpio_leds);
platform_device_register(&edmini_v2_gpio_buttons);
pr_notice("edmini_v2: USB device port, flash write and power-off "
"are not yet supported.\n");
/* Get RTC IRQ and register the chip */
if (gpio_request(EDMINIV2_RTC_GPIO, "rtc") == 0) {
if (gpio_direction_input(EDMINIV2_RTC_GPIO) == 0)
edmini_v2_i2c_rtc.irq = gpio_to_irq(EDMINIV2_RTC_GPIO);
else
gpio_free(EDMINIV2_RTC_GPIO);
}
if (edmini_v2_i2c_rtc.irq == 0)
pr_warning("edmini_v2: failed to get RTC IRQ\n");
i2c_register_board_info(0, &edmini_v2_i2c_rtc, 1);
}
/* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */
MACHINE_START(EDMINI_V2, "LaCie Ethernet Disk mini V2")
/* Maintainer: Christopher Moore <moore@free.fr> */
.atag_offset = 0x100,
.init_machine = edmini_v2_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
|
