aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-orion5x/wrt350n-v2-setup.c
blob: 61e9027ef22416e44d053edd2ff582ae7ea141c6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
/*
 * arch/arm/mach-orion5x/wrt350n-v2-setup.c
 *
 * This file is licensed under the terms of the GNU General Public
 * License version 2.  This program is licensed "as is" without any
 * warranty of any kind, whether express or implied.
 */
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/pci.h>
#include <linux/irq.h>
#include <linux/delay.h>
#include <linux/mtd/physmap.h>
#include <linux/mv643xx_eth.h>
#include <linux/ethtool.h>
#include <linux/leds.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <net/dsa.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/pci.h>
#include "orion5x.h"
#include "common.h"
#include "mpp.h"

/*
 * LEDs attached to GPIO
 */
static struct gpio_led wrt350n_v2_led_pins[] = {
	{
		.name		= "wrt350nv2:green:power",
		.gpio		= 0,
		.active_low	= 1,
	}, {
		.name		= "wrt350nv2:green:security",
		.gpio		= 1,
		.active_low	= 1,
	}, {
		.name		= "wrt350nv2:orange:power",
		.gpio		= 5,
		.active_low	= 1,
	}, {
		.name		= "wrt350nv2:green:usb",
		.gpio		= 6,
		.active_low	= 1,
	}, {
		.name		= "wrt350nv2:green:wireless",
		.gpio		= 7,
		.active_low	= 1,
	},
};

static struct gpio_led_platform_data wrt350n_v2_led_data = {
	.leds		= wrt350n_v2_led_pins,
	.num_leds	= ARRAY_SIZE(wrt350n_v2_led_pins),
};

static struct platform_device wrt350n_v2_leds = {
	.name	= "leds-gpio",
	.id	= -1,
	.dev	= {
		.platform_data	= &wrt350n_v2_led_data,
	},
};

/*
 * Buttons attached to GPIO
 */
static struct gpio_keys_button wrt350n_v2_buttons[] = {
	{
		.code		= KEY_RESTART,
		.gpio		= 3,
		.desc		= "Reset Button",
		.active_low	= 1,
	}, {
		.code		= KEY_WPS_BUTTON,
		.gpio		= 2,
		.desc		= "WPS Button",
		.active_low	= 1,
	},
};

static struct gpio_keys_platform_data wrt350n_v2_button_data = {
	.buttons	= wrt350n_v2_buttons,
	.nbuttons	= ARRAY_SIZE(wrt350n_v2_buttons),
};

static struct platform_device wrt350n_v2_button_device = {
	.name		= "gpio-keys",
	.id		= -1,
	.num_resources	= 0,
	.dev		= {
		.platform_data	= &wrt350n_v2_button_data,
	},
};

/*
 * General setup
 */
static unsigned int wrt350n_v2_mpp_modes[] __initdata = {
	MPP0_GPIO,		/* Power LED green (0=on) */
	MPP1_GPIO,		/* Security LED (0=on) */
	MPP2_GPIO,		/* Internal Button (0=on) */
	MPP3_GPIO,		/* Reset Button (0=on) */
	MPP4_GPIO,		/* PCI int */
	MPP5_GPIO,		/* Power LED orange (0=on) */
	MPP6_GPIO,		/* USB LED (0=on) */
	MPP7_GPIO,		/* Wireless LED (0=on) */
	MPP8_UNUSED,		/* ??? */
	MPP9_GIGE,		/* GE_RXERR */
	MPP10_UNUSED,		/* ??? */
	MPP11_UNUSED,		/* ??? */
	MPP12_GIGE,		/* GE_TXD[4] */
	MPP13_GIGE,		/* GE_TXD[5] */
	MPP14_GIGE,		/* GE_TXD[6] */
	MPP15_GIGE,		/* GE_TXD[7] */
	MPP16_GIGE,		/* GE_RXD[4] */
	MPP17_GIGE,		/* GE_RXD[5] */
	MPP18_GIGE,		/* GE_RXD[6] */
	MPP19_GIGE,		/* GE_RXD[7] */
	0,
};

/*
 * 8M NOR flash Device bus boot chip select
 */
#define WRT350N_V2_NOR_BOOT_BASE	0xf4000000
#define WRT350N_V2_NOR_BOOT_SIZE	SZ_8M

static struct mtd_partition wrt350n_v2_nor_flash_partitions[] = {
	{
		.name		= "kernel",
		.offset		= 0x00000000,
		.size		= 0x00760000,
	}, {
		.name		= "rootfs",
		.offset		= 0x001a0000,
		.size		= 0x005c0000,
	}, {
		.name		= "lang",
		.offset		= 0x00760000,
		.size		= 0x00040000,
	}, {
		.name		= "nvram",
		.offset		= 0x007a0000,
		.size		= 0x00020000,
	}, {
		.name		= "u-boot",
		.offset		= 0x007c0000,
		.size		= 0x00040000,
	},
};

static struct physmap_flash_data wrt350n_v2_nor_flash_data = {
	.width		= 1,
	.parts		= wrt350n_v2_nor_flash_partitions,
	.nr_parts	= ARRAY_SIZE(wrt350n_v2_nor_flash_partitions),
};

static struct resource wrt350n_v2_nor_flash_resource = {
	.flags		= IORESOURCE_MEM,
	.start		= WRT350N_V2_NOR_BOOT_BASE,
	.end		= WRT350N_V2_NOR_BOOT_BASE + WRT350N_V2_NOR_BOOT_SIZE - 1,
};

static struct platform_device wrt350n_v2_nor_flash = {
	.name			= "physmap-flash",
	.id			= 0,
	.dev		= {
		.platform_data	= &wrt350n_v2_nor_flash_data,
	},
	.num_resources		= 1,
	.resource		= &wrt350n_v2_nor_flash_resource,
};

static struct mv643xx_eth_platform_data wrt350n_v2_eth_data = {
	.phy_addr	= MV643XX_ETH_PHY_NONE,
	.speed		= SPEED_1000,
	.duplex		= DUPLEX_FULL,
};

static struct dsa_chip_data wrt350n_v2_switch_chip_data = {
	.port_names[0]	= "lan2",
	.port_names[1]	= "lan1",
	.port_names[2]	= "wan",
	.port_names[3]	= "cpu",
	.port_names[5]	= "lan3",
	.port_names[7]	= "lan4",
};

static struct dsa_platform_data wrt350n_v2_switch_plat_data = {
	.nr_chips	= 1,
	.chip		= &wrt350n_v2_switch_chip_data,
};

static void __init wrt350n_v2_init(void)
{
	/*
	 * Setup basic Orion functions. Need to be called early.
	 */
	orion5x_init();

	orion5x_mpp_conf(wrt350n_v2_mpp_modes);

	/*
	 * Configure peripherals.
	 */
	orion5x_ehci0_init();
	orion5x_eth_init(&wrt350n_v2_eth_data);
	orion5x_eth_switch_init(&wrt350n_v2_switch_plat_data, NO_IRQ);
	orion5x_uart0_init();

	mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
				    ORION_MBUS_DEVBUS_BOOT_ATTR,
				    WRT350N_V2_NOR_BOOT_BASE,
				    WRT350N_V2_NOR_BOOT_SIZE);
	platform_device_register(&wrt350n_v2_nor_flash);
	platform_device_register(&wrt350n_v2_leds);
	platform_device_register(&wrt350n_v2_button_device);
}

static int __init wrt350n_v2_pci_map_irq(const struct pci_dev *dev, u8 slot,
	u8 pin)
{
	int irq;

	/*
	 * Check for devices with hard-wired IRQs.
	 */
	irq = orion5x_pci_map_irq(dev, slot, pin);
	if (irq != -1)
		return irq;

	/*
	 * Mini-PCI slot.
	 */
	if (slot == 7)
		return gpio_to_irq(4);

	return -1;
}

static struct hw_pci wrt350n_v2_pci __initdata = {
	.nr_controllers	= 2,
	.setup		= orion5x_pci_sys_setup,
	.scan		= orion5x_pci_sys_scan_bus,
	.map_irq	= wrt350n_v2_pci_map_irq,
};

static int __init wrt350n_v2_pci_init(void)
{
	if (machine_is_wrt350n_v2())
		pci_common_init(&wrt350n_v2_pci);

	return 0;
}
subsys_initcall(wrt350n_v2_pci_init);

MACHINE_START(WRT350N_V2, "Linksys WRT350N v2")
	/* Maintainer: Lennert Buytenhek <buytenh@marvell.com> */
	.atag_offset	= 0x100,
	.nr_irqs	= ORION5X_NR_IRQS,
	.init_machine	= wrt350n_v2_init,
	.map_io		= orion5x_map_io,
	.init_early	= orion5x_init_early,
	.init_irq	= orion5x_init_irq,
	.init_time	= orion5x_timer_init,
	.fixup		= tag_fixup_mem32,
	.restart	= orion5x_restart,
MACHINE_END