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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6/arch/arm/mach-kirkwood/
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>
22#include <plat/mvsdio.h>
23#include "common.h"
24#include "mpp.h"
25
26static 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
42static struct mv643xx_eth_platform_data sheevaplug_ge00_data = {
43	.phy_addr	= MV643XX_ETH_PHY_ADDR(0),
44};
45
46static struct mv_sata_platform_data sheeva_esata_sata_data = {
47	.n_ports	= 2,
48};
49
50static struct mvsdio_platform_data sheevaplug_mvsdio_data = {
51	/* unfortunately the CD signal has not been connected */
52};
53
54static 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
59static struct gpio_led sheevaplug_led_pins[] = {
60	{
61		.name			= "plug:green:health",
62		.default_trigger	= "default-on",
63		.gpio			= 49,
64		.active_low		= 1,
65	},
66};
67
68static struct gpio_led_platform_data sheevaplug_led_data = {
69	.leds		= sheevaplug_led_pins,
70	.num_leds	= ARRAY_SIZE(sheevaplug_led_pins),
71};
72
73static struct platform_device sheevaplug_leds = {
74	.name	= "leds-gpio",
75	.id	= -1,
76	.dev	= {
77		.platform_data	= &sheevaplug_led_data,
78	}
79};
80
81static unsigned int sheevaplug_mpp_config[] __initdata = {
82	MPP29_GPIO,	/* USB Power Enable */
83	MPP49_GPIO,	/* LED */
84	0
85};
86
87static unsigned int sheeva_esata_mpp_config[] __initdata = {
88	MPP29_GPIO,	/* USB Power Enable */
89	MPP44_GPIO,	/* SD Write Protect */
90	MPP47_GPIO,	/* SD Card Detect */
91	MPP49_GPIO,	/* LED Green */
92	0
93};
94
95static void __init sheevaplug_init(void)
96{
97	/*
98	 * Basic setup. Needs to be called early.
99	 */
100	kirkwood_init();
101
102	/* setup gpio pin select */
103	if (machine_is_sheeva_esata())
104		kirkwood_mpp_conf(sheeva_esata_mpp_config);
105	else
106		kirkwood_mpp_conf(sheevaplug_mpp_config);
107
108	kirkwood_uart0_init();
109	kirkwood_nand_init(ARRAY_AND_SIZE(sheevaplug_nand_parts), 25);
110
111	if (gpio_request(29, "USB Power Enable") != 0 ||
112	    gpio_direction_output(29, 1) != 0)
113		printk(KERN_ERR "can't set up GPIO 29 (USB Power Enable)\n");
114	kirkwood_ehci_init();
115
116	kirkwood_ge00_init(&sheevaplug_ge00_data);
117
118	/* honor lower power consumption for plugs with out eSATA */
119	if (machine_is_sheeva_esata())
120		kirkwood_sata_init(&sheeva_esata_sata_data);
121
122	/* enable sd wp and sd cd on plugs with esata */
123	if (machine_is_sheeva_esata())
124		kirkwood_sdio_init(&sheeva_esata_mvsdio_data);
125	else
126		kirkwood_sdio_init(&sheevaplug_mvsdio_data);
127
128	platform_device_register(&sheevaplug_leds);
129}
130
131#ifdef CONFIG_MACH_SHEEVAPLUG
132MACHINE_START(SHEEVAPLUG, "Marvell SheevaPlug Reference Board")
133	/* Maintainer: shadi Ammouri <shadi@marvell.com> */
134	.phys_io	= KIRKWOOD_REGS_PHYS_BASE,
135	.io_pg_offst	= ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
136	.boot_params	= 0x00000100,
137	.init_machine	= sheevaplug_init,
138	.map_io		= kirkwood_map_io,
139	.init_irq	= kirkwood_init_irq,
140	.timer		= &kirkwood_timer,
141MACHINE_END
142#endif
143
144#ifdef CONFIG_MACH_ESATA_SHEEVAPLUG
145MACHINE_START(ESATA_SHEEVAPLUG, "Marvell eSATA SheevaPlug Reference Board")
146	.phys_io	= KIRKWOOD_REGS_PHYS_BASE,
147	.io_pg_offst	= ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
148	.boot_params	= 0x00000100,
149	.init_machine	= sheevaplug_init,
150	.map_io		= kirkwood_map_io,
151	.init_irq	= kirkwood_init_irq,
152	.timer		= &kirkwood_timer,
153MACHINE_END
154#endif
155