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netxbig_v2-setup.c
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1 /*
2  * arch/arm/mach-kirkwood/netxbig_v2-setup.c
3  *
4  * LaCie 2Big and 5Big Network v2 board setup
5  *
6  * Copyright (C) 2010 Simon Guinot <[email protected]>
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21  */
22 
23 #include <linux/kernel.h>
24 #include <linux/init.h>
25 #include <linux/platform_device.h>
26 #include <linux/ata_platform.h>
27 #include <linux/mv643xx_eth.h>
28 #include <linux/input.h>
29 #include <linux/gpio.h>
30 #include <linux/gpio_keys.h>
31 #include <linux/leds.h>
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <mach/kirkwood.h>
35 #include <linux/platform_data/leds-kirkwood-netxbig.h>
36 #include "common.h"
37 #include "mpp.h"
38 #include "lacie_v2-common.h"
39 
40 /*****************************************************************************
41  * Ethernet
42  ****************************************************************************/
43 
44 static struct mv643xx_eth_platform_data netxbig_v2_ge00_data = {
45  .phy_addr = MV643XX_ETH_PHY_ADDR(8),
46 };
47 
48 static struct mv643xx_eth_platform_data netxbig_v2_ge01_data = {
49  .phy_addr = MV643XX_ETH_PHY_ADDR(0),
50 };
51 
52 /*****************************************************************************
53  * SATA
54  ****************************************************************************/
55 
56 static struct mv_sata_platform_data netxbig_v2_sata_data = {
57  .n_ports = 2,
58 };
59 
60 /*****************************************************************************
61  * GPIO keys
62  ****************************************************************************/
63 
64 #define NETXBIG_V2_GPIO_SWITCH_POWER_ON 13
65 #define NETXBIG_V2_GPIO_SWITCH_POWER_OFF 15
66 #define NETXBIG_V2_GPIO_FUNC_BUTTON 34
67 
68 #define NETXBIG_V2_SWITCH_POWER_ON 0x1
69 #define NETXBIG_V2_SWITCH_POWER_OFF 0x2
70 
71 static struct gpio_keys_button netxbig_v2_buttons[] = {
72  [0] = {
73  .type = EV_SW,
74  .code = NETXBIG_V2_SWITCH_POWER_ON,
75  .gpio = NETXBIG_V2_GPIO_SWITCH_POWER_ON,
76  .desc = "Back power switch (on|auto)",
77  .active_low = 1,
78  },
79  [1] = {
80  .type = EV_SW,
81  .code = NETXBIG_V2_SWITCH_POWER_OFF,
82  .gpio = NETXBIG_V2_GPIO_SWITCH_POWER_OFF,
83  .desc = "Back power switch (auto|off)",
84  .active_low = 1,
85  },
86  [2] = {
87  .code = KEY_OPTION,
88  .gpio = NETXBIG_V2_GPIO_FUNC_BUTTON,
89  .desc = "Function button",
90  .active_low = 1,
91  },
92 };
93 
94 static struct gpio_keys_platform_data netxbig_v2_button_data = {
95  .buttons = netxbig_v2_buttons,
96  .nbuttons = ARRAY_SIZE(netxbig_v2_buttons),
97 };
98 
99 static struct platform_device netxbig_v2_gpio_buttons = {
100  .name = "gpio-keys",
101  .id = -1,
102  .dev = {
103  .platform_data = &netxbig_v2_button_data,
104  },
105 };
106 
107 /*****************************************************************************
108  * GPIO extension LEDs
109  ****************************************************************************/
110 
111 /*
112  * The LEDs are controlled by a CPLD and can be configured through a GPIO
113  * extension bus:
114  *
115  * - address register : bit [0-2] -> GPIO [47-49]
116  * - data register : bit [0-2] -> GPIO [44-46]
117  * - enable register : GPIO 29
118  */
119 
120 static int netxbig_v2_gpio_ext_addr[] = { 47, 48, 49 };
121 static int netxbig_v2_gpio_ext_data[] = { 44, 45, 46 };
122 
123 static struct netxbig_gpio_ext netxbig_v2_gpio_ext = {
124  .addr = netxbig_v2_gpio_ext_addr,
125  .num_addr = ARRAY_SIZE(netxbig_v2_gpio_ext_addr),
126  .data = netxbig_v2_gpio_ext_data,
127  .num_data = ARRAY_SIZE(netxbig_v2_gpio_ext_data),
128  .enable = 29,
129 };
130 
131 /*
132  * Address register selection:
133  *
134  * addr | register
135  * ----------------------------
136  * 0 | front LED
137  * 1 | front LED brightness
138  * 2 | SATA LED brightness
139  * 3 | SATA0 LED
140  * 4 | SATA1 LED
141  * 5 | SATA2 LED
142  * 6 | SATA3 LED
143  * 7 | SATA4 LED
144  *
145  * Data register configuration:
146  *
147  * data | LED brightness
148  * -------------------------------------------------
149  * 0 | min (off)
150  * - | -
151  * 7 | max
152  *
153  * data | front LED mode
154  * -------------------------------------------------
155  * 0 | fix off
156  * 1 | fix blue on
157  * 2 | fix red on
158  * 3 | blink blue on=1 sec and blue off=1 sec
159  * 4 | blink red on=1 sec and red off=1 sec
160  * 5 | blink blue on=2.5 sec and red on=0.5 sec
161  * 6 | blink blue on=1 sec and red on=1 sec
162  * 7 | blink blue on=0.5 sec and blue off=2.5 sec
163  *
164  * data | SATA LED mode
165  * -------------------------------------------------
166  * 0 | fix off
167  * 1 | SATA activity blink
168  * 2 | fix red on
169  * 3 | blink blue on=1 sec and blue off=1 sec
170  * 4 | blink red on=1 sec and red off=1 sec
171  * 5 | blink blue on=2.5 sec and red on=0.5 sec
172  * 6 | blink blue on=1 sec and red on=1 sec
173  * 7 | fix blue on
174  */
175 
176 static int netxbig_v2_red_mled[NETXBIG_LED_MODE_NUM] = {
177  [NETXBIG_LED_OFF] = 0,
178  [NETXBIG_LED_ON] = 2,
179  [NETXBIG_LED_SATA] = NETXBIG_LED_INVALID_MODE,
180  [NETXBIG_LED_TIMER1] = 4,
181  [NETXBIG_LED_TIMER2] = NETXBIG_LED_INVALID_MODE,
182 };
183 
184 static int netxbig_v2_blue_pwr_mled[NETXBIG_LED_MODE_NUM] = {
185  [NETXBIG_LED_OFF] = 0,
186  [NETXBIG_LED_ON] = 1,
187  [NETXBIG_LED_SATA] = NETXBIG_LED_INVALID_MODE,
188  [NETXBIG_LED_TIMER1] = 3,
189  [NETXBIG_LED_TIMER2] = 7,
190 };
191 
192 static int netxbig_v2_blue_sata_mled[NETXBIG_LED_MODE_NUM] = {
193  [NETXBIG_LED_OFF] = 0,
194  [NETXBIG_LED_ON] = 7,
195  [NETXBIG_LED_SATA] = 1,
196  [NETXBIG_LED_TIMER1] = 3,
197  [NETXBIG_LED_TIMER2] = NETXBIG_LED_INVALID_MODE,
198 };
199 
200 static struct netxbig_led_timer netxbig_v2_led_timer[] = {
201  [0] = {
202  .delay_on = 500,
203  .delay_off = 500,
204  .mode = NETXBIG_LED_TIMER1,
205  },
206  [1] = {
207  .delay_on = 500,
208  .delay_off = 1000,
209  .mode = NETXBIG_LED_TIMER2,
210  },
211 };
212 
213 #define NETXBIG_LED(_name, maddr, mval, baddr) \
214  { .name = _name, \
215  .mode_addr = maddr, \
216  .mode_val = mval, \
217  .bright_addr = baddr }
218 
219 static struct netxbig_led net2big_v2_leds_ctrl[] = {
220  NETXBIG_LED("net2big-v2:blue:power", 0, netxbig_v2_blue_pwr_mled, 1),
221  NETXBIG_LED("net2big-v2:red:power", 0, netxbig_v2_red_mled, 1),
222  NETXBIG_LED("net2big-v2:blue:sata0", 3, netxbig_v2_blue_sata_mled, 2),
223  NETXBIG_LED("net2big-v2:red:sata0", 3, netxbig_v2_red_mled, 2),
224  NETXBIG_LED("net2big-v2:blue:sata1", 4, netxbig_v2_blue_sata_mled, 2),
225  NETXBIG_LED("net2big-v2:red:sata1", 4, netxbig_v2_red_mled, 2),
226 };
227 
228 static struct netxbig_led_platform_data net2big_v2_leds_data = {
229  .gpio_ext = &netxbig_v2_gpio_ext,
230  .timer = netxbig_v2_led_timer,
231  .num_timer = ARRAY_SIZE(netxbig_v2_led_timer),
232  .leds = net2big_v2_leds_ctrl,
233  .num_leds = ARRAY_SIZE(net2big_v2_leds_ctrl),
234 };
235 
236 static struct netxbig_led net5big_v2_leds_ctrl[] = {
237  NETXBIG_LED("net5big-v2:blue:power", 0, netxbig_v2_blue_pwr_mled, 1),
238  NETXBIG_LED("net5big-v2:red:power", 0, netxbig_v2_red_mled, 1),
239  NETXBIG_LED("net5big-v2:blue:sata0", 3, netxbig_v2_blue_sata_mled, 2),
240  NETXBIG_LED("net5big-v2:red:sata0", 3, netxbig_v2_red_mled, 2),
241  NETXBIG_LED("net5big-v2:blue:sata1", 4, netxbig_v2_blue_sata_mled, 2),
242  NETXBIG_LED("net5big-v2:red:sata1", 4, netxbig_v2_red_mled, 2),
243  NETXBIG_LED("net5big-v2:blue:sata2", 5, netxbig_v2_blue_sata_mled, 2),
244  NETXBIG_LED("net5big-v2:red:sata2", 5, netxbig_v2_red_mled, 2),
245  NETXBIG_LED("net5big-v2:blue:sata3", 6, netxbig_v2_blue_sata_mled, 2),
246  NETXBIG_LED("net5big-v2:red:sata3", 6, netxbig_v2_red_mled, 2),
247  NETXBIG_LED("net5big-v2:blue:sata4", 7, netxbig_v2_blue_sata_mled, 2),
248  NETXBIG_LED("net5big-v2:red:sata5", 7, netxbig_v2_red_mled, 2),
249 };
250 
251 static struct netxbig_led_platform_data net5big_v2_leds_data = {
252  .gpio_ext = &netxbig_v2_gpio_ext,
253  .timer = netxbig_v2_led_timer,
254  .num_timer = ARRAY_SIZE(netxbig_v2_led_timer),
255  .leds = net5big_v2_leds_ctrl,
256  .num_leds = ARRAY_SIZE(net5big_v2_leds_ctrl),
257 };
258 
259 static struct platform_device netxbig_v2_leds = {
260  .name = "leds-netxbig",
261  .id = -1,
262  .dev = {
263  .platform_data = &net2big_v2_leds_data,
264  },
265 };
266 
267 /*****************************************************************************
268  * General Setup
269  ****************************************************************************/
270 
271 static unsigned int net2big_v2_mpp_config[] __initdata = {
272  MPP0_SPI_SCn,
273  MPP1_SPI_MOSI,
274  MPP2_SPI_SCK,
275  MPP3_SPI_MISO,
276  MPP6_SYSRST_OUTn,
277  MPP7_GPO, /* Request power-off */
278  MPP8_TW0_SDA,
279  MPP9_TW0_SCK,
280  MPP10_UART0_TXD,
281  MPP11_UART0_RXD,
282  MPP13_GPIO, /* Rear power switch (on|auto) */
283  MPP14_GPIO, /* USB fuse alarm */
284  MPP15_GPIO, /* Rear power switch (auto|off) */
285  MPP16_GPIO, /* SATA HDD1 power */
286  MPP17_GPIO, /* SATA HDD2 power */
287  MPP20_SATA1_ACTn,
288  MPP21_SATA0_ACTn,
289  MPP24_GPIO, /* USB mode select */
290  MPP26_GPIO, /* USB device vbus */
291  MPP28_GPIO, /* USB enable host vbus */
292  MPP29_GPIO, /* GPIO extension ALE */
293  MPP34_GPIO, /* Rear Push button */
294  MPP35_GPIO, /* Inhibit switch power-off */
295  MPP36_GPIO, /* SATA HDD1 presence */
296  MPP37_GPIO, /* SATA HDD2 presence */
297  MPP40_GPIO, /* eSATA presence */
298  MPP44_GPIO, /* GPIO extension (data 0) */
299  MPP45_GPIO, /* GPIO extension (data 1) */
300  MPP46_GPIO, /* GPIO extension (data 2) */
301  MPP47_GPIO, /* GPIO extension (addr 0) */
302  MPP48_GPIO, /* GPIO extension (addr 1) */
303  MPP49_GPIO, /* GPIO extension (addr 2) */
304  0
305 };
306 
307 static unsigned int net5big_v2_mpp_config[] __initdata = {
308  MPP0_SPI_SCn,
309  MPP1_SPI_MOSI,
310  MPP2_SPI_SCK,
311  MPP3_SPI_MISO,
312  MPP6_SYSRST_OUTn,
313  MPP7_GPO, /* Request power-off */
314  MPP8_TW0_SDA,
315  MPP9_TW0_SCK,
316  MPP10_UART0_TXD,
317  MPP11_UART0_RXD,
318  MPP13_GPIO, /* Rear power switch (on|auto) */
319  MPP14_GPIO, /* USB fuse alarm */
320  MPP15_GPIO, /* Rear power switch (auto|off) */
321  MPP16_GPIO, /* SATA HDD1 power */
322  MPP17_GPIO, /* SATA HDD2 power */
323  MPP20_GE1_TXD0,
324  MPP21_GE1_TXD1,
325  MPP22_GE1_TXD2,
326  MPP23_GE1_TXD3,
327  MPP24_GE1_RXD0,
328  MPP25_GE1_RXD1,
329  MPP26_GE1_RXD2,
330  MPP27_GE1_RXD3,
331  MPP28_GPIO, /* USB enable host vbus */
332  MPP29_GPIO, /* GPIO extension ALE */
333  MPP30_GE1_RXCTL,
334  MPP31_GE1_RXCLK,
335  MPP32_GE1_TCLKOUT,
336  MPP33_GE1_TXCTL,
337  MPP34_GPIO, /* Rear Push button */
338  MPP35_GPIO, /* Inhibit switch power-off */
339  MPP36_GPIO, /* SATA HDD1 presence */
340  MPP37_GPIO, /* SATA HDD2 presence */
341  MPP38_GPIO, /* SATA HDD3 presence */
342  MPP39_GPIO, /* SATA HDD4 presence */
343  MPP40_GPIO, /* SATA HDD5 presence */
344  MPP41_GPIO, /* SATA HDD3 power */
345  MPP42_GPIO, /* SATA HDD4 power */
346  MPP43_GPIO, /* SATA HDD5 power */
347  MPP44_GPIO, /* GPIO extension (data 0) */
348  MPP45_GPIO, /* GPIO extension (data 1) */
349  MPP46_GPIO, /* GPIO extension (data 2) */
350  MPP47_GPIO, /* GPIO extension (addr 0) */
351  MPP48_GPIO, /* GPIO extension (addr 1) */
352  MPP49_GPIO, /* GPIO extension (addr 2) */
353  0
354 };
355 
356 #define NETXBIG_V2_GPIO_POWER_OFF 7
357 
358 static void netxbig_v2_power_off(void)
359 {
360  gpio_set_value(NETXBIG_V2_GPIO_POWER_OFF, 1);
361 }
362 
363 static void __init netxbig_v2_init(void)
364 {
365  /*
366  * Basic setup. Needs to be called early.
367  */
368  kirkwood_init();
369  if (machine_is_net2big_v2())
370  kirkwood_mpp_conf(net2big_v2_mpp_config);
371  else
372  kirkwood_mpp_conf(net5big_v2_mpp_config);
373 
374  if (machine_is_net2big_v2())
375  lacie_v2_hdd_power_init(2);
376  else
377  lacie_v2_hdd_power_init(5);
378 
379  kirkwood_ehci_init();
380  kirkwood_ge00_init(&netxbig_v2_ge00_data);
381  if (machine_is_net5big_v2())
382  kirkwood_ge01_init(&netxbig_v2_ge01_data);
383  kirkwood_sata_init(&netxbig_v2_sata_data);
384  kirkwood_uart0_init();
385  lacie_v2_register_flash();
386  lacie_v2_register_i2c_devices();
387 
388  if (machine_is_net5big_v2())
389  netxbig_v2_leds.dev.platform_data = &net5big_v2_leds_data;
390  platform_device_register(&netxbig_v2_leds);
391  platform_device_register(&netxbig_v2_gpio_buttons);
392 
393  if (gpio_request(NETXBIG_V2_GPIO_POWER_OFF, "power-off") == 0 &&
394  gpio_direction_output(NETXBIG_V2_GPIO_POWER_OFF, 0) == 0)
395  pm_power_off = netxbig_v2_power_off;
396  else
397  pr_err("netxbig_v2: failed to configure power-off GPIO\n");
398 }
399 
400 #ifdef CONFIG_MACH_NET2BIG_V2
401 MACHINE_START(NET2BIG_V2, "LaCie 2Big Network v2")
402  .atag_offset = 0x100,
403  .init_machine = netxbig_v2_init,
404  .map_io = kirkwood_map_io,
405  .init_early = kirkwood_init_early,
406  .init_irq = kirkwood_init_irq,
407  .timer = &kirkwood_timer,
408  .restart = kirkwood_restart,
409 MACHINE_END
410 #endif
411 
412 #ifdef CONFIG_MACH_NET5BIG_V2
413 MACHINE_START(NET5BIG_V2, "LaCie 5Big Network v2")
414  .atag_offset = 0x100,
415  .init_machine = netxbig_v2_init,
416  .map_io = kirkwood_map_io,
417  .init_early = kirkwood_init_early,
418  .init_irq = kirkwood_init_irq,
419  .timer = &kirkwood_timer,
420  .restart = kirkwood_restart,
421 MACHINE_END
422 #endif
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