1/*
2 * arch/arm/mach-orion5x/wrt350n-v2-setup.c
3 *
4 * This file is licensed under the terms of the GNU General Public
5 * License version 2.  This program is licensed "as is" without any
6 * warranty of any kind, whether express or implied.
7 */
8#include <linux/gpio.h>
9#include <linux/kernel.h>
10#include <linux/init.h>
11#include <linux/platform_device.h>
12#include <linux/pci.h>
13#include <linux/irq.h>
14#include <linux/delay.h>
15#include <linux/mtd/physmap.h>
16#include <linux/mv643xx_eth.h>
17#include <linux/ethtool.h>
18#include <linux/leds.h>
19#include <linux/gpio_keys.h>
20#include <linux/input.h>
21#include <net/dsa.h>
22#include <asm/mach-types.h>
23#include <asm/mach/arch.h>
24#include <asm/mach/pci.h>
25#include <mach/orion5x.h>
26#include "common.h"
27#include "mpp.h"
28
29/*
30 * LEDs attached to GPIO
31 */
32static struct gpio_led wrt350n_v2_led_pins[] = {
33	{
34		.name		= "wrt350nv2:green:power",
35		.gpio		= 0,
36		.active_low	= 1,
37	}, {
38		.name		= "wrt350nv2:green:security",
39		.gpio		= 1,
40		.active_low	= 1,
41	}, {
42		.name		= "wrt350nv2:orange:power",
43		.gpio		= 5,
44		.active_low	= 1,
45	}, {
46		.name		= "wrt350nv2:green:usb",
47		.gpio		= 6,
48		.active_low	= 1,
49	}, {
50		.name		= "wrt350nv2:green:wireless",
51		.gpio		= 7,
52		.active_low	= 1,
53	},
54};
55
56static struct gpio_led_platform_data wrt350n_v2_led_data = {
57	.leds		= wrt350n_v2_led_pins,
58	.num_leds	= ARRAY_SIZE(wrt350n_v2_led_pins),
59};
60
61static struct platform_device wrt350n_v2_leds = {
62	.name	= "leds-gpio",
63	.id	= -1,
64	.dev	= {
65		.platform_data	= &wrt350n_v2_led_data,
66	},
67};
68
69/*
70 * Buttons attached to GPIO
71 */
72static struct gpio_keys_button wrt350n_v2_buttons[] = {
73	{
74		.code		= KEY_RESTART,
75		.gpio		= 3,
76		.desc		= "Reset Button",
77		.active_low	= 1,
78	}, {
79		.code		= KEY_WPS_BUTTON,
80		.gpio		= 2,
81		.desc		= "WPS Button",
82		.active_low	= 1,
83	},
84};
85
86static struct gpio_keys_platform_data wrt350n_v2_button_data = {
87	.buttons	= wrt350n_v2_buttons,
88	.nbuttons	= ARRAY_SIZE(wrt350n_v2_buttons),
89};
90
91static struct platform_device wrt350n_v2_button_device = {
92	.name		= "gpio-keys",
93	.id		= -1,
94	.num_resources	= 0,
95	.dev		= {
96		.platform_data	= &wrt350n_v2_button_data,
97	},
98};
99
100/*
101 * General setup
102 */
103static unsigned int wrt350n_v2_mpp_modes[] __initdata = {
104	MPP0_GPIO,		/* Power LED green (0=on) */
105	MPP1_GPIO,		/* Security LED (0=on) */
106	MPP2_GPIO,		/* Internal Button (0=on) */
107	MPP3_GPIO,		/* Reset Button (0=on) */
108	MPP4_GPIO,		/* PCI int */
109	MPP5_GPIO,		/* Power LED orange (0=on) */
110	MPP6_GPIO,		/* USB LED (0=on) */
111	MPP7_GPIO,		/* Wireless LED (0=on) */
112	MPP8_UNUSED,		/* ??? */
113	MPP9_GIGE,		/* GE_RXERR */
114	MPP10_UNUSED,		/* ??? */
115	MPP11_UNUSED,		/* ??? */
116	MPP12_GIGE,		/* GE_TXD[4] */
117	MPP13_GIGE,		/* GE_TXD[5] */
118	MPP14_GIGE,		/* GE_TXD[6] */
119	MPP15_GIGE,		/* GE_TXD[7] */
120	MPP16_GIGE,		/* GE_RXD[4] */
121	MPP17_GIGE,		/* GE_RXD[5] */
122	MPP18_GIGE,		/* GE_RXD[6] */
123	MPP19_GIGE,		/* GE_RXD[7] */
124	0,
125};
126
127/*
128 * 8M NOR flash Device bus boot chip select
129 */
130#define WRT350N_V2_NOR_BOOT_BASE	0xf4000000
131#define WRT350N_V2_NOR_BOOT_SIZE	SZ_8M
132
133static struct mtd_partition wrt350n_v2_nor_flash_partitions[] = {
134	{
135		.name		= "kernel",
136		.offset		= 0x00000000,
137		.size		= 0x00760000,
138	}, {
139		.name		= "rootfs",
140		.offset		= 0x001a0000,
141		.size		= 0x005c0000,
142	}, {
143		.name		= "lang",
144		.offset		= 0x00760000,
145		.size		= 0x00040000,
146	}, {
147		.name		= "nvram",
148		.offset		= 0x007a0000,
149		.size		= 0x00020000,
150	}, {
151		.name		= "u-boot",
152		.offset		= 0x007c0000,
153		.size		= 0x00040000,
154	},
155};
156
157static struct physmap_flash_data wrt350n_v2_nor_flash_data = {
158	.width		= 1,
159	.parts		= wrt350n_v2_nor_flash_partitions,
160	.nr_parts	= ARRAY_SIZE(wrt350n_v2_nor_flash_partitions),
161};
162
163static struct resource wrt350n_v2_nor_flash_resource = {
164	.flags		= IORESOURCE_MEM,
165	.start		= WRT350N_V2_NOR_BOOT_BASE,
166	.end		= WRT350N_V2_NOR_BOOT_BASE + WRT350N_V2_NOR_BOOT_SIZE - 1,
167};
168
169static struct platform_device wrt350n_v2_nor_flash = {
170	.name			= "physmap-flash",
171	.id			= 0,
172	.dev		= {
173		.platform_data	= &wrt350n_v2_nor_flash_data,
174	},
175	.num_resources		= 1,
176	.resource		= &wrt350n_v2_nor_flash_resource,
177};
178
179static struct mv643xx_eth_platform_data wrt350n_v2_eth_data = {
180	.phy_addr	= MV643XX_ETH_PHY_NONE,
181	.speed		= SPEED_1000,
182	.duplex		= DUPLEX_FULL,
183};
184
185static struct dsa_chip_data wrt350n_v2_switch_chip_data = {
186	.port_names[0]	= "lan2",
187	.port_names[1]	= "lan1",
188	.port_names[2]	= "wan",
189	.port_names[3]	= "cpu",
190	.port_names[5]	= "lan3",
191	.port_names[7]	= "lan4",
192};
193
194static struct dsa_platform_data wrt350n_v2_switch_plat_data = {
195	.nr_chips	= 1,
196	.chip		= &wrt350n_v2_switch_chip_data,
197};
198
199static void __init wrt350n_v2_init(void)
200{
201	/*
202	 * Setup basic Orion functions. Need to be called early.
203	 */
204	orion5x_init();
205
206	orion5x_mpp_conf(wrt350n_v2_mpp_modes);
207
208	/*
209	 * Configure peripherals.
210	 */
211	orion5x_ehci0_init();
212	orion5x_eth_init(&wrt350n_v2_eth_data);
213	orion5x_eth_switch_init(&wrt350n_v2_switch_plat_data, NO_IRQ);
214	orion5x_uart0_init();
215
216	mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
217				    ORION_MBUS_DEVBUS_BOOT_ATTR,
218				    WRT350N_V2_NOR_BOOT_BASE,
219				    WRT350N_V2_NOR_BOOT_SIZE);
220	platform_device_register(&wrt350n_v2_nor_flash);
221	platform_device_register(&wrt350n_v2_leds);
222	platform_device_register(&wrt350n_v2_button_device);
223}
224
225static int __init wrt350n_v2_pci_map_irq(const struct pci_dev *dev, u8 slot,
226	u8 pin)
227{
228	int irq;
229
230	/*
231	 * Check for devices with hard-wired IRQs.
232	 */
233	irq = orion5x_pci_map_irq(dev, slot, pin);
234	if (irq != -1)
235		return irq;
236
237	/*
238	 * Mini-PCI slot.
239	 */
240	if (slot == 7)
241		return gpio_to_irq(4);
242
243	return -1;
244}
245
246static struct hw_pci wrt350n_v2_pci __initdata = {
247	.nr_controllers	= 2,
248	.setup		= orion5x_pci_sys_setup,
249	.scan		= orion5x_pci_sys_scan_bus,
250	.map_irq	= wrt350n_v2_pci_map_irq,
251};
252
253static int __init wrt350n_v2_pci_init(void)
254{
255	if (machine_is_wrt350n_v2())
256		pci_common_init(&wrt350n_v2_pci);
257
258	return 0;
259}
260subsys_initcall(wrt350n_v2_pci_init);
261
262MACHINE_START(WRT350N_V2, "Linksys WRT350N v2")
263	/* Maintainer: Lennert Buytenhek <buytenh@marvell.com> */
264	.atag_offset	= 0x100,
265	.init_machine	= wrt350n_v2_init,
266	.map_io		= orion5x_map_io,
267	.init_early	= orion5x_init_early,
268	.init_irq	= orion5x_init_irq,
269	.init_time	= orion5x_timer_init,
270	.fixup		= tag_fixup_mem32,
271	.restart	= orion5x_restart,
272MACHINE_END
273