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wrt350n-v2-setup.c
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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  */
32 static 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 
56 static 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 
61 static 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  */
72 static 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 
86 static struct gpio_keys_platform_data wrt350n_v2_button_data = {
87  .buttons = wrt350n_v2_buttons,
88  .nbuttons = ARRAY_SIZE(wrt350n_v2_buttons),
89 };
90 
91 static 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  */
103 static 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 
133 static 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 
157 static 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 
163 static 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 
169 static 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 
179 static 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 
185 static 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 
194 static struct dsa_platform_data wrt350n_v2_switch_plat_data = {
195  .nr_chips = 1,
196  .chip = &wrt350n_v2_switch_chip_data,
197 };
198 
199 static 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  orion5x_setup_dev_boot_win(WRT350N_V2_NOR_BOOT_BASE,
217  WRT350N_V2_NOR_BOOT_SIZE);
218  platform_device_register(&wrt350n_v2_nor_flash);
219  platform_device_register(&wrt350n_v2_leds);
220  platform_device_register(&wrt350n_v2_button_device);
221 }
222 
223 static int __init wrt350n_v2_pci_map_irq(const struct pci_dev *dev, u8 slot,
224  u8 pin)
225 {
226  int irq;
227 
228  /*
229  * Check for devices with hard-wired IRQs.
230  */
231  irq = orion5x_pci_map_irq(dev, slot, pin);
232  if (irq != -1)
233  return irq;
234 
235  /*
236  * Mini-PCI slot.
237  */
238  if (slot == 7)
239  return gpio_to_irq(4);
240 
241  return -1;
242 }
243 
244 static struct hw_pci wrt350n_v2_pci __initdata = {
245  .nr_controllers = 2,
246  .setup = orion5x_pci_sys_setup,
247  .scan = orion5x_pci_sys_scan_bus,
248  .map_irq = wrt350n_v2_pci_map_irq,
249 };
250 
251 static int __init wrt350n_v2_pci_init(void)
252 {
253  if (machine_is_wrt350n_v2())
254  pci_common_init(&wrt350n_v2_pci);
255 
256  return 0;
257 }
258 subsys_initcall(wrt350n_v2_pci_init);
259 
260 MACHINE_START(WRT350N_V2, "Linksys WRT350N v2")
261  /* Maintainer: Lennert Buytenhek <[email protected]> */
262  .atag_offset = 0x100,
263  .init_machine = wrt350n_v2_init,
264  .map_io = orion5x_map_io,
265  .init_early = orion5x_init_early,
266  .init_irq = orion5x_init_irq,
267  .timer = &orion5x_timer,
268  .fixup = tag_fixup_mem32,
269  .restart = orion5x_restart,
270 MACHINE_END
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