Linux Kernel  3.7.1
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dockstar-setup.c
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1 /*
2  * arch/arm/mach-kirkwood/dockstar-setup.c
3  *
4  * Seagate FreeAgent DockStar 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/mtd/partitions.h>
16 #include <linux/mv643xx_eth.h>
17 #include <linux/gpio.h>
18 #include <linux/leds.h>
19 #include <asm/mach-types.h>
20 #include <asm/mach/arch.h>
21 #include <mach/kirkwood.h>
23 #include "common.h"
24 #include "mpp.h"
25 
26 static struct mtd_partition dockstar_nand_parts[] = {
27  {
28  .name = "u-boot",
29  .offset = 0,
30  .size = SZ_1M
31  }, {
32  .name = "uImage",
33  .offset = MTDPART_OFS_NXTBLK,
34  .size = SZ_4M
35  }, {
36  .name = "root",
37  .offset = MTDPART_OFS_NXTBLK,
38  .size = MTDPART_SIZ_FULL
39  },
40 };
41 
42 static struct mv643xx_eth_platform_data dockstar_ge00_data = {
43  .phy_addr = MV643XX_ETH_PHY_ADDR(0),
44 };
45 
46 static struct gpio_led dockstar_led_pins[] = {
47  {
48  .name = "dockstar:green:health",
49  .default_trigger = "default-on",
50  .gpio = 46,
51  .active_low = 1,
52  },
53  {
54  .name = "dockstar:orange:misc",
55  .default_trigger = "none",
56  .gpio = 47,
57  .active_low = 1,
58  },
59 };
60 
61 static struct gpio_led_platform_data dockstar_led_data = {
62  .leds = dockstar_led_pins,
63  .num_leds = ARRAY_SIZE(dockstar_led_pins),
64 };
65 
66 static struct platform_device dockstar_leds = {
67  .name = "leds-gpio",
68  .id = -1,
69  .dev = {
70  .platform_data = &dockstar_led_data,
71  }
72 };
73 
74 static unsigned int dockstar_mpp_config[] __initdata = {
75  MPP29_GPIO, /* USB Power Enable */
76  MPP46_GPIO, /* LED green */
77  MPP47_GPIO, /* LED orange */
78  0
79 };
80 
81 static void __init dockstar_init(void)
82 {
83  /*
84  * Basic setup. Needs to be called early.
85  */
86  kirkwood_init();
87 
88  /* setup gpio pin select */
89  kirkwood_mpp_conf(dockstar_mpp_config);
90 
92  kirkwood_nand_init(ARRAY_AND_SIZE(dockstar_nand_parts), 25);
93 
94  if (gpio_request(29, "USB Power Enable") != 0 ||
95  gpio_direction_output(29, 1) != 0)
96  printk(KERN_ERR "can't set up GPIO 29 (USB Power Enable)\n");
98 
99  kirkwood_ge00_init(&dockstar_ge00_data);
100 
101  platform_device_register(&dockstar_leds);
102 }
103 
104 MACHINE_START(DOCKSTAR, "Seagate FreeAgent DockStar")
105  .atag_offset = 0x100,
106  .init_machine = dockstar_init,
107  .map_io = kirkwood_map_io,
108  .init_early = kirkwood_init_early,
109  .init_irq = kirkwood_init_irq,
110  .timer = &kirkwood_timer,
111  .restart = kirkwood_restart,