1 /*
2 * arch/arm/mach-orion5x/d2net-setup.c
3 *
4 * LaCie d2Network and Big Disk Network NAS setup
5 *
6 * Copyright (C) 2009 Simon Guinot <sguinot@lacie.com>
7 *
8 * This file is licensed under the terms of the GNU General Public
9 * License version 2. This program is licensed "as is" without any
10 * warranty of any kind, whether express or implied.
11 */
12
13 #include <linux/kernel.h>
14 #include <linux/init.h>
15 #include <linux/platform_device.h>
16 #include <linux/pci.h>
17 #include <linux/irq.h>
18 #include <linux/mtd/physmap.h>
19 #include <linux/mv643xx_eth.h>
20 #include <linux/leds.h>
21 #include <linux/gpio_keys.h>
22 #include <linux/input.h>
23 #include <linux/i2c.h>
24 #include <linux/ata_platform.h>
25 #include <linux/gpio.h>
26 #include <asm/mach-types.h>
27 #include <asm/mach/arch.h>
28 #include <asm/mach/pci.h>
29 #include <mach/orion5x.h>
30 #include <plat/orion-gpio.h>
31 #include "common.h"
32 #include "mpp.h"
33
34 /*****************************************************************************
35 * LaCie d2 Network Info
36 ****************************************************************************/
37
38 /*
39 * 512KB NOR flash Device bus boot chip select
40 */
41
42 #define D2NET_NOR_BOOT_BASE 0xfff80000
43 #define D2NET_NOR_BOOT_SIZE SZ_512K
44
45 /*****************************************************************************
46 * 512KB NOR Flash on Boot Device
47 ****************************************************************************/
48
49 /*
50 * TODO: Check write support on flash MX29LV400CBTC-70G
51 */
52
53 static struct mtd_partition d2net_partitions[] = {
54 {
55 .name = "Full512kb",
56 .size = MTDPART_SIZ_FULL,
57 .offset = 0,
58 .mask_flags = MTD_WRITEABLE,
59 },
60 };
61
62 static struct physmap_flash_data d2net_nor_flash_data = {
63 .width = 1,
64 .parts = d2net_partitions,
65 .nr_parts = ARRAY_SIZE(d2net_partitions),
66 };
67
68 static struct resource d2net_nor_flash_resource = {
69 .flags = IORESOURCE_MEM,
70 .start = D2NET_NOR_BOOT_BASE,
71 .end = D2NET_NOR_BOOT_BASE
72 + D2NET_NOR_BOOT_SIZE - 1,
73 };
74
75 static struct platform_device d2net_nor_flash = {
76 .name = "physmap-flash",
77 .id = 0,
78 .dev = {
79 .platform_data = &d2net_nor_flash_data,
80 },
81 .num_resources = 1,
82 .resource = &d2net_nor_flash_resource,
83 };
84
85 /*****************************************************************************
86 * Ethernet
87 ****************************************************************************/
88
89 static struct mv643xx_eth_platform_data d2net_eth_data = {
90 .phy_addr = MV643XX_ETH_PHY_ADDR(8),
91 };
92
93 /*****************************************************************************
94 * I2C devices
95 ****************************************************************************/
96
97 /*
98 * i2c addr | chip | description
99 * 0x32 | Ricoh 5C372b | RTC
100 * 0x3e | GMT G762 | PWM fan controller
101 * 0x50 | HT24LC08 | eeprom (1kB)
102 *
103 * TODO: Add G762 support to the g760a driver.
104 */
105 static struct i2c_board_info __initdata d2net_i2c_devices[] = {
106 {
107 I2C_BOARD_INFO("rs5c372b", 0x32),
108 }, {
109 I2C_BOARD_INFO("24c08", 0x50),
110 },
111 };
112
113 /*****************************************************************************
114 * SATA
115 ****************************************************************************/
116
117 static struct mv_sata_platform_data d2net_sata_data = {
118 .n_ports = 2,
119 };
120
121 #define D2NET_GPIO_SATA0_POWER 3
122 #define D2NET_GPIO_SATA1_POWER 12
123
d2net_sata_power_init(void)124 static void __init d2net_sata_power_init(void)
125 {
126 int err;
127
128 err = gpio_request(D2NET_GPIO_SATA0_POWER, "SATA0 power");
129 if (err == 0) {
130 err = gpio_direction_output(D2NET_GPIO_SATA0_POWER, 1);
131 if (err)
132 gpio_free(D2NET_GPIO_SATA0_POWER);
133 }
134 if (err)
135 pr_err("d2net: failed to configure SATA0 power GPIO\n");
136
137 err = gpio_request(D2NET_GPIO_SATA1_POWER, "SATA1 power");
138 if (err == 0) {
139 err = gpio_direction_output(D2NET_GPIO_SATA1_POWER, 1);
140 if (err)
141 gpio_free(D2NET_GPIO_SATA1_POWER);
142 }
143 if (err)
144 pr_err("d2net: failed to configure SATA1 power GPIO\n");
145 }
146
147 /*****************************************************************************
148 * GPIO LED's
149 ****************************************************************************/
150
151 /*
152 * The blue front LED is wired to the CPLD and can blink in relation with the
153 * SATA activity.
154 *
155 * The following array detail the different LED registers and the combination
156 * of their possible values:
157 *
158 * led_off | blink_ctrl | SATA active | LED state
159 * | | |
160 * 1 | x | x | off
161 * 0 | 0 | 0 | off
162 * 0 | 1 | 0 | blink (rate 300ms)
163 * 0 | x | 1 | on
164 *
165 * Notes: The blue and the red front LED's can't be on at the same time.
166 * Red LED have priority.
167 */
168
169 #define D2NET_GPIO_RED_LED 6
170 #define D2NET_GPIO_BLUE_LED_BLINK_CTRL 16
171 #define D2NET_GPIO_BLUE_LED_OFF 23
172
173 static struct gpio_led d2net_leds[] = {
174 {
175 .name = "d2net:blue:sata",
176 .default_trigger = "default-on",
177 .gpio = D2NET_GPIO_BLUE_LED_OFF,
178 .active_low = 1,
179 },
180 {
181 .name = "d2net:red:fail",
182 .gpio = D2NET_GPIO_RED_LED,
183 },
184 };
185
186 static struct gpio_led_platform_data d2net_led_data = {
187 .num_leds = ARRAY_SIZE(d2net_leds),
188 .leds = d2net_leds,
189 };
190
191 static struct platform_device d2net_gpio_leds = {
192 .name = "leds-gpio",
193 .id = -1,
194 .dev = {
195 .platform_data = &d2net_led_data,
196 },
197 };
198
d2net_gpio_leds_init(void)199 static void __init d2net_gpio_leds_init(void)
200 {
201 int err;
202
203 /* Configure GPIO over MPP max number. */
204 orion_gpio_set_valid(D2NET_GPIO_BLUE_LED_OFF, 1);
205
206 /* Configure register blink_ctrl to allow SATA activity LED blinking. */
207 err = gpio_request(D2NET_GPIO_BLUE_LED_BLINK_CTRL, "blue LED blink");
208 if (err == 0) {
209 err = gpio_direction_output(D2NET_GPIO_BLUE_LED_BLINK_CTRL, 1);
210 if (err)
211 gpio_free(D2NET_GPIO_BLUE_LED_BLINK_CTRL);
212 }
213 if (err)
214 pr_err("d2net: failed to configure blue LED blink GPIO\n");
215
216 platform_device_register(&d2net_gpio_leds);
217 }
218
219 /****************************************************************************
220 * GPIO keys
221 ****************************************************************************/
222
223 #define D2NET_GPIO_PUSH_BUTTON 18
224 #define D2NET_GPIO_POWER_SWITCH_ON 8
225 #define D2NET_GPIO_POWER_SWITCH_OFF 9
226
227 #define D2NET_SWITCH_POWER_ON 0x1
228 #define D2NET_SWITCH_POWER_OFF 0x2
229
230 static struct gpio_keys_button d2net_buttons[] = {
231 {
232 .type = EV_SW,
233 .code = D2NET_SWITCH_POWER_OFF,
234 .gpio = D2NET_GPIO_POWER_SWITCH_OFF,
235 .desc = "Power rocker switch (auto|off)",
236 .active_low = 0,
237 },
238 {
239 .type = EV_SW,
240 .code = D2NET_SWITCH_POWER_ON,
241 .gpio = D2NET_GPIO_POWER_SWITCH_ON,
242 .desc = "Power rocker switch (on|auto)",
243 .active_low = 0,
244 },
245 {
246 .type = EV_KEY,
247 .code = KEY_POWER,
248 .gpio = D2NET_GPIO_PUSH_BUTTON,
249 .desc = "Front Push Button",
250 .active_low = 0,
251 },
252 };
253
254 static struct gpio_keys_platform_data d2net_button_data = {
255 .buttons = d2net_buttons,
256 .nbuttons = ARRAY_SIZE(d2net_buttons),
257 };
258
259 static struct platform_device d2net_gpio_buttons = {
260 .name = "gpio-keys",
261 .id = -1,
262 .dev = {
263 .platform_data = &d2net_button_data,
264 },
265 };
266
267 /*****************************************************************************
268 * General Setup
269 ****************************************************************************/
270
271 static unsigned int d2net_mpp_modes[] __initdata = {
272 MPP0_GPIO, /* Board ID (bit 0) */
273 MPP1_GPIO, /* Board ID (bit 1) */
274 MPP2_GPIO, /* Board ID (bit 2) */
275 MPP3_GPIO, /* SATA 0 power */
276 MPP4_UNUSED,
277 MPP5_GPIO, /* Fan fail detection */
278 MPP6_GPIO, /* Red front LED */
279 MPP7_UNUSED,
280 MPP8_GPIO, /* Rear power switch (on|auto) */
281 MPP9_GPIO, /* Rear power switch (auto|off) */
282 MPP10_UNUSED,
283 MPP11_UNUSED,
284 MPP12_GPIO, /* SATA 1 power */
285 MPP13_UNUSED,
286 MPP14_SATA_LED, /* SATA 0 active */
287 MPP15_SATA_LED, /* SATA 1 active */
288 MPP16_GPIO, /* Blue front LED blink control */
289 MPP17_UNUSED,
290 MPP18_GPIO, /* Front button (0 = Released, 1 = Pushed ) */
291 MPP19_UNUSED,
292 0,
293 /* 22: USB port 1 fuse (0 = Fail, 1 = Ok) */
294 /* 23: Blue front LED off */
295 /* 24: Inhibit board power off (0 = Disabled, 1 = Enabled) */
296 };
297
298 #define D2NET_GPIO_INHIBIT_POWER_OFF 24
299
d2net_init(void)300 static void __init d2net_init(void)
301 {
302 /*
303 * Setup basic Orion functions. Need to be called early.
304 */
305 orion5x_init();
306
307 orion5x_mpp_conf(d2net_mpp_modes);
308
309 /*
310 * Configure peripherals.
311 */
312 orion5x_ehci0_init();
313 orion5x_eth_init(&d2net_eth_data);
314 orion5x_i2c_init();
315 orion5x_uart0_init();
316
317 d2net_sata_power_init();
318 orion5x_sata_init(&d2net_sata_data);
319
320 mvebu_mbus_add_window("devbus-boot", D2NET_NOR_BOOT_BASE,
321 D2NET_NOR_BOOT_SIZE);
322 platform_device_register(&d2net_nor_flash);
323
324 platform_device_register(&d2net_gpio_buttons);
325
326 d2net_gpio_leds_init();
327
328 pr_notice("d2net: Flash write are not yet supported.\n");
329
330 i2c_register_board_info(0, d2net_i2c_devices,
331 ARRAY_SIZE(d2net_i2c_devices));
332
333 orion_gpio_set_valid(D2NET_GPIO_INHIBIT_POWER_OFF, 1);
334 }
335
336 /* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */
337
338 #ifdef CONFIG_MACH_D2NET
339 MACHINE_START(D2NET, "LaCie d2 Network")
340 .atag_offset = 0x100,
341 .init_machine = d2net_init,
342 .map_io = orion5x_map_io,
343 .init_early = orion5x_init_early,
344 .init_irq = orion5x_init_irq,
345 .init_time = orion5x_timer_init,
346 .fixup = tag_fixup_mem32,
347 .restart = orion5x_restart,
348 MACHINE_END
349 #endif
350
351 #ifdef CONFIG_MACH_BIGDISK
352 MACHINE_START(BIGDISK, "LaCie Big Disk Network")
353 .atag_offset = 0x100,
354 .init_machine = d2net_init,
355 .map_io = orion5x_map_io,
356 .init_early = orion5x_init_early,
357 .init_irq = orion5x_init_irq,
358 .init_time = orion5x_timer_init,
359 .fixup = tag_fixup_mem32,
360 .restart = orion5x_restart,
361 MACHINE_END
362 #endif
363
364