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

1/*
2 * arch/arm/mach-kirkwood/goflexhome-setup.c
3 *
4 * Seagate GoFlex Home 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>
22#include "common.h"
23#include "mpp.h"
24
25static struct mtd_partition goflexhome_nand_parts[] = {
26    {
27        .name = "u-boot",
28        .offset = 0,
29        .size = SZ_1M
30    }, {
31        .name = "uImage",
32        .offset = MTDPART_OFS_NXTBLK,
33        .size = SZ_2M + SZ_4M
34    }, {
35        .name = "root",
36        .offset = MTDPART_OFS_NXTBLK,
37        .size = MTDPART_SIZ_FULL
38    },
39};
40
41static struct mv643xx_eth_platform_data goflexhome_ge00_data = {
42    .phy_addr = MV643XX_ETH_PHY_ADDR(0),
43};
44
45static struct mv_sata_platform_data goflexhome_sata_data = {
46    .n_ports = 1,
47};
48
49static struct gpio_led goflexhome_led_pins[] = {
50    {
51        .name = "status:green:health",
52        .default_trigger = "default-on",
53        .gpio = 46,
54        .active_low = 1,
55    },
56    {
57        .name = "status:orange:fault",
58        .default_trigger = "none",
59        .gpio = 47,
60        .active_low = 1,
61    },
62    {
63        .name = "status:white:misc",
64        .default_trigger = "none",
65        .gpio = 40,
66        .active_low = 0,
67    }
68};
69
70static struct gpio_led_platform_data goflexhome_led_data = {
71    .leds = goflexhome_led_pins,
72    .num_leds = ARRAY_SIZE(goflexhome_led_pins),
73};
74
75static struct platform_device goflexhome_leds = {
76    .name = "leds-gpio",
77    .id = -1,
78    .dev = {
79        .platform_data = &goflexhome_led_data,
80    }
81};
82
83static unsigned int goflexhome_mpp_config[] __initdata = {
84    MPP29_GPIO, /* USB Power Enable */
85    MPP47_GPIO, /* LED Orange */
86    MPP46_GPIO, /* LED Green */
87    MPP40_GPIO, /* LED White */
88    0
89};
90
91static void __init goflexhome_init(void)
92{
93    /*
94     * Basic setup. Needs to be called early.
95     */
96    kirkwood_init();
97
98    /* setup gpio pin select */
99    kirkwood_mpp_conf(goflexhome_mpp_config);
100
101    kirkwood_uart0_init();
102    kirkwood_nand_init(ARRAY_AND_SIZE(goflexhome_nand_parts), 40);
103
104    if (gpio_request(29, "USB Power Enable") != 0 ||
105        gpio_direction_output(29, 1) != 0)
106        printk(KERN_ERR "can't set up GPIO 29 (USB Power Enable)\n");
107    kirkwood_ehci_init();
108    kirkwood_ge00_init(&goflexhome_ge00_data);
109    kirkwood_sata_init(&goflexhome_sata_data);
110
111    platform_device_register(&goflexhome_leds);
112}
113
114MACHINE_START(GOFLEXHOME, "Seagate GoFlex Home")
115    /* Maintainer: Peter Carmichael <peterjncarm@ovi.com> */
116    .atag_offset = 0x100,
117    .init_machine = goflexhome_init,
118    .map_io = kirkwood_map_io,
119    .init_early = kirkwood_init_early,
120    .init_irq = kirkwood_init_irq,
121    .timer = &kirkwood_timer,
122    .restart = kirkwood_restart,
123MACHINE_END
124

Archive Download this file



interactive