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sheevaplug-setup.c
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1 /*
2  * arch/arm/mach-kirkwood/sheevaplug-setup.c
3  *
4  * Marvell SheevaPlug Reference Board 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 sheevaplug_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 sheevaplug_ge00_data = {
43  .phy_addr = MV643XX_ETH_PHY_ADDR(0),
44 };
45 
46 static struct mv_sata_platform_data sheeva_esata_sata_data = {
47  .n_ports = 2,
48 };
49 
50 static struct mvsdio_platform_data sheevaplug_mvsdio_data = {
51  /* unfortunately the CD signal has not been connected */
52 };
53 
54 static struct mvsdio_platform_data sheeva_esata_mvsdio_data = {
55  .gpio_write_protect = 44, /* MPP44 used as SD write protect */
56  .gpio_card_detect = 47, /* MPP47 used as SD card detect */
57 };
58 
59 static struct gpio_led sheevaplug_led_pins[] = {
60  {
61  .name = "plug:red:misc",
62  .default_trigger = "none",
63  .gpio = 46,
64  .active_low = 1,
65  },
66  {
67  .name = "plug:green:health",
68  .default_trigger = "default-on",
69  .gpio = 49,
70  .active_low = 1,
71  },
72 };
73 
74 static struct gpio_led_platform_data sheevaplug_led_data = {
75  .leds = sheevaplug_led_pins,
76  .num_leds = ARRAY_SIZE(sheevaplug_led_pins),
77 };
78 
79 static struct platform_device sheevaplug_leds = {
80  .name = "leds-gpio",
81  .id = -1,
82  .dev = {
83  .platform_data = &sheevaplug_led_data,
84  }
85 };
86 
87 static unsigned int sheevaplug_mpp_config[] __initdata = {
88  MPP29_GPIO, /* USB Power Enable */
89  MPP46_GPIO, /* LED Red */
90  MPP49_GPIO, /* LED */
91  0
92 };
93 
94 static unsigned int sheeva_esata_mpp_config[] __initdata = {
95  MPP29_GPIO, /* USB Power Enable */
96  MPP44_GPIO, /* SD Write Protect */
97  MPP47_GPIO, /* SD Card Detect */
98  MPP49_GPIO, /* LED Green */
99  0
100 };
101 
102 static void __init sheevaplug_init(void)
103 {
104  /*
105  * Basic setup. Needs to be called early.
106  */
107  kirkwood_init();
108 
109  /* setup gpio pin select */
110  if (machine_is_esata_sheevaplug())
111  kirkwood_mpp_conf(sheeva_esata_mpp_config);
112  else
113  kirkwood_mpp_conf(sheevaplug_mpp_config);
114 
116  kirkwood_nand_init(ARRAY_AND_SIZE(sheevaplug_nand_parts), 25);
117 
118  if (gpio_request(29, "USB Power Enable") != 0 ||
119  gpio_direction_output(29, 1) != 0)
120  printk(KERN_ERR "can't set up GPIO 29 (USB Power Enable)\n");
122 
123  kirkwood_ge00_init(&sheevaplug_ge00_data);
124 
125  /* honor lower power consumption for plugs with out eSATA */
126  if (machine_is_esata_sheevaplug())
127  kirkwood_sata_init(&sheeva_esata_sata_data);
128 
129  /* enable sd wp and sd cd on plugs with esata */
130  if (machine_is_esata_sheevaplug())
131  kirkwood_sdio_init(&sheeva_esata_mvsdio_data);
132  else
133  kirkwood_sdio_init(&sheevaplug_mvsdio_data);
134 
135  platform_device_register(&sheevaplug_leds);
136 }
137 
138 #ifdef CONFIG_MACH_SHEEVAPLUG
139 MACHINE_START(SHEEVAPLUG, "Marvell SheevaPlug Reference Board")
140  /* Maintainer: shadi Ammouri <[email protected]> */
141  .atag_offset = 0x100,
142  .init_machine = sheevaplug_init,
143  .map_io = kirkwood_map_io,
144  .init_early = kirkwood_init_early,
145  .init_irq = kirkwood_init_irq,
146  .timer = &kirkwood_timer,
147  .restart = kirkwood_restart,
149 #endif
150 
151 #ifdef CONFIG_MACH_ESATA_SHEEVAPLUG
152 MACHINE_START(ESATA_SHEEVAPLUG, "Marvell eSATA SheevaPlug Reference Board")
153  .atag_offset = 0x100,
154  .init_machine = sheevaplug_init,
155  .map_io = kirkwood_map_io,
156  .init_early = kirkwood_init_early,
157  .init_irq = kirkwood_init_irq,
158  .timer = &kirkwood_timer,
159  .restart = kirkwood_restart,
161 #endif