Root/target/linux/kirkwood/files/arch/arm/mach-kirkwood/nsa-310-setup.c

1/*
2 * arch/arm/mach-kirkwood/nsa-310-setup.c
3 *
4 * ZyXEL NSA-310 Setup
5 *
6 * This file is licensed under the terms of the GNU General Public
7 * License version 2. This program is licensed "as is" without any
8 * warranty of any kind, whether express or implied.
9 */
10
11#include <linux/kernel.h>
12#include <linux/init.h>
13#include <linux/platform_device.h>
14#include <linux/ata_platform.h>
15#include <linux/i2c.h>
16#include <linux/mtd/mtd.h>
17#include <linux/mtd/partitions.h>
18#include <linux/gpio.h>
19#include <linux/gpio_keys.h>
20#include <linux/input.h>
21#include <linux/leds.h>
22#include <linux/delay.h>
23
24#include <asm/mach-types.h>
25#include <asm/mach/arch.h>
26#include <mach/kirkwood.h>
27#include "common.h"
28#include "mpp.h"
29
30#define NSA310_GPIO_LED_ESATA_GREEN 12
31#define NSA310_GPIO_LED_ESATA_RED 13
32#define NSA310_GPIO_LED_USB_GREEN 15
33#define NSA310_GPIO_LED_USB_RED 16
34#define NSA310_GPIO_USB_POWER_OFF 21
35#define NSA310_GPIO_LED_SYS_GREEN 28
36#define NSA310_GPIO_LED_SYS_RED 29
37#define NSA310_GPIO_KEY_RESTART 36
38#define NSA310_GPIO_KEY_COPY 37
39#define NSA310_GPIO_LED_COPY_GREEN 39
40#define NSA310_GPIO_LED_COPY_RED 40
41#define NSA310_GPIO_LED_HDD_GREEN 41
42#define NSA310_GPIO_LED_HDD_RED 42
43#define NSA310_GPIO_BUZZER 44
44#define NSA310_GPIO_KEY_POWER 46
45#define NSA310_GPIO_POWER_OFF 48
46
47
48static unsigned int nsa310_mpp_config[] __initdata = {
49    MPP12_GPIO,
50    MPP13_GPIO,
51    MPP15_GPIO,
52    MPP16_GPIO,
53    MPP21_GPIO,
54    MPP28_GPIO,
55    MPP29_GPIO,
56    MPP36_GPIO,
57    MPP37_GPIO,
58    MPP39_GPIO,
59    MPP40_GPIO,
60    MPP41_GPIO,
61    MPP42_GPIO,
62    MPP44_GPIO,
63    MPP46_GPIO,
64    MPP48_GPIO,
65    0
66};
67
68static struct mtd_partition nsa310_mtd_parts[] = {
69    {
70        .name = "uboot",
71        .offset = 0,
72        .size = 0x100000,
73        .mask_flags = MTD_WRITEABLE,
74    }, {
75        .name = "uboot_env",
76        .offset = MTDPART_OFS_NXTBLK,
77        .size = 0x80000,
78    }, {
79        .name = "key_store",
80        .offset = MTDPART_OFS_NXTBLK,
81        .size = 0x80000,
82    }, {
83        .name = "info",
84        .offset = MTDPART_OFS_NXTBLK,
85        .size = 0x80000,
86    }, {
87        .name = "etc",
88        .offset = MTDPART_OFS_NXTBLK,
89        .size = 0xa00000,
90    }, {
91        .name = "kernel_1",
92        .offset = MTDPART_OFS_NXTBLK,
93        .size = 0xa00000,
94    }, {
95        .name = "rootfs1",
96        .offset = MTDPART_OFS_NXTBLK,
97        .size = 0x2fc0000,
98    }, {
99        .name = "kernel_2",
100        .offset = MTDPART_OFS_NXTBLK,
101        .size = 0xa00000,
102    }, {
103        .name = "rootfs2",
104        .offset = MTDPART_OFS_NXTBLK,
105        .size = 0x2fc0000,
106    },
107};
108
109static struct gpio_led nsa310_leds[] = {
110    {
111        .name = "nsa310:green:sys",
112        .gpio = NSA310_GPIO_LED_SYS_GREEN,
113    }, {
114        .name = "nsa310:red:sys",
115        .gpio = NSA310_GPIO_LED_SYS_RED,
116    }, {
117        .name = "nsa310:green:hdd",
118        .gpio = NSA310_GPIO_LED_HDD_GREEN,
119    }, {
120        .name = "nsa310:red:hdd",
121        .gpio = NSA310_GPIO_LED_HDD_RED,
122    }, {
123        .name = "nsa310:green:esata",
124        .gpio = NSA310_GPIO_LED_ESATA_GREEN,
125    }, {
126        .name = "nsa310:red:esata",
127        .gpio = NSA310_GPIO_LED_ESATA_RED,
128    }, {
129        .name = "nsa310:green:usb",
130        .gpio = NSA310_GPIO_LED_USB_GREEN,
131    }, {
132        .name = "nsa310:red:usb",
133        .gpio = NSA310_GPIO_LED_USB_RED,
134    }, {
135        .name = "nsa310:green:copy",
136        .gpio = NSA310_GPIO_LED_COPY_GREEN,
137    }, {
138        .name = "nsa310:red:copy",
139        .gpio = NSA310_GPIO_LED_COPY_RED,
140    },
141};
142
143static struct gpio_led_platform_data nsa310_leds_data = {
144    .leds = nsa310_leds,
145    .num_leds = ARRAY_SIZE(nsa310_leds),
146};
147
148static struct platform_device nsa310_leds_device = {
149    .name = "leds-gpio",
150    .id = -1,
151    .dev = {
152        .platform_data = &nsa310_leds_data,
153    }
154};
155
156static struct gpio_keys_button nsa310_buttons[] = {
157    {
158        .desc = "Power Button",
159        .code = KEY_POWER,
160        .type = EV_KEY,
161        .gpio = NSA310_GPIO_KEY_POWER,
162        .debounce_interval = 1000,
163    }, {
164        .desc = "Copy Button",
165        .code = KEY_COPY,
166        .type = EV_KEY,
167        .gpio = NSA310_GPIO_KEY_COPY,
168        .active_low = 1,
169        .debounce_interval = 1000,
170    }, {
171        .desc = "Reset Button",
172        .code = KEY_RESTART,
173        .type = EV_KEY,
174        .gpio = NSA310_GPIO_KEY_RESTART,
175        .active_low = 1,
176        .debounce_interval = 1000,
177    },
178};
179
180static struct gpio_keys_platform_data nsa310_keys_data = {
181    .buttons = nsa310_buttons,
182    .nbuttons = ARRAY_SIZE(nsa310_buttons),
183};
184
185static struct platform_device nsa310_keys_device = {
186    .name = "gpio-keys",
187    .id = -1,
188    .dev = {
189        .platform_data = &nsa310_keys_data,
190    }
191};
192
193static struct i2c_board_info __initdata nsa310_i2c_info[] = {
194        { I2C_BOARD_INFO("adt7476", 0x2e) },
195};
196
197static struct mv_sata_platform_data nsa310_sata_data = {
198    .n_ports = 2,
199};
200
201static void nsa310_power_off(void)
202{
203    gpio_set_value(NSA310_GPIO_POWER_OFF, 1);
204}
205
206static int __init nsa310_gpio_request(unsigned int gpio, unsigned long flags,
207                       const char *label)
208{
209    int err;
210
211    err = gpio_request_one(gpio, flags, label);
212    if (err)
213        pr_err("NSA-310: can't setup GPIO%u (%s), err=%d\n",
214            gpio, label, err);
215
216    return err;
217}
218
219static void __init nsa310_gpio_init(void)
220{
221    int err;
222
223    err = nsa310_gpio_request(NSA310_GPIO_POWER_OFF, GPIOF_OUT_INIT_LOW,
224                  "Power Off");
225    if (!err)
226        pm_power_off = nsa310_power_off;
227
228    nsa310_gpio_request(NSA310_GPIO_USB_POWER_OFF, GPIOF_OUT_INIT_LOW,
229                "USB Power Off");
230}
231
232static void __init nsa310_init(void)
233{
234    u32 dev, rev;
235
236    kirkwood_init();
237    kirkwood_mpp_conf(nsa310_mpp_config);
238
239    nsa310_gpio_init();
240
241    kirkwood_nand_init(ARRAY_AND_SIZE(nsa310_mtd_parts), 35);
242    kirkwood_ehci_init();
243
244    kirkwood_pcie_id(&dev, &rev);
245
246    kirkwood_sata_init(&nsa310_sata_data);
247    kirkwood_uart0_init();
248
249    i2c_register_board_info(0, ARRAY_AND_SIZE(nsa310_i2c_info));
250    kirkwood_i2c_init();
251
252    platform_device_register(&nsa310_leds_device);
253    platform_device_register(&nsa310_keys_device);
254}
255
256static int __init nsa310_pci_init(void)
257{
258    if (machine_is_nsa310())
259        kirkwood_pcie_init(KW_PCIE0);
260
261    return 0;
262}
263subsys_initcall(nsa310_pci_init);
264
265MACHINE_START(NSA310, "ZyXEL NSA-310")
266    .atag_offset = 0x100,
267    .init_machine = nsa310_init,
268    .map_io = kirkwood_map_io,
269    .init_early = kirkwood_init_early,
270    .init_irq = kirkwood_init_irq,
271    .timer = &kirkwood_timer,
272    .restart = kirkwood_restart,
273MACHINE_END
274

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