1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * arch/arm/mach-orion5x/net2big-setup.c
4 *
5 * LaCie 2Big Network NAS setup
6 *
7 * Copyright (C) 2009 Simon Guinot <sguinot@lacie.com>
8 */
9
10#include <linux/kernel.h>
11#include <linux/init.h>
12#include <linux/platform_device.h>
13#include <linux/mtd/physmap.h>
14#include <linux/mv643xx_eth.h>
15#include <linux/leds.h>
16#include <linux/gpio_keys.h>
17#include <linux/input.h>
18#include <linux/i2c.h>
19#include <linux/ata_platform.h>
20#include <linux/gpio.h>
21#include <linux/delay.h>
22#include <asm/mach-types.h>
23#include <asm/mach/arch.h>
24#include <plat/orion-gpio.h>
25#include "common.h"
26#include "mpp.h"
27#include "orion5x.h"
28
29/*****************************************************************************
30 * LaCie 2Big Network Info
31 ****************************************************************************/
32
33/*
34 * 512KB NOR flash Device bus boot chip select
35 */
36
37#define NET2BIG_NOR_BOOT_BASE		0xfff80000
38#define NET2BIG_NOR_BOOT_SIZE		SZ_512K
39
40/*****************************************************************************
41 * 512KB NOR Flash on Boot Device
42 ****************************************************************************/
43
44/*
45 * TODO: Check write support on flash MX29LV400CBTC-70G
46 */
47
48static struct mtd_partition net2big_partitions[] = {
49	{
50		.name		= "Full512kb",
51		.size		= MTDPART_SIZ_FULL,
52		.offset		= 0x00000000,
53		.mask_flags	= MTD_WRITEABLE,
54	},
55};
56
57static struct physmap_flash_data net2big_nor_flash_data = {
58	.width		= 1,
59	.parts		= net2big_partitions,
60	.nr_parts	= ARRAY_SIZE(net2big_partitions),
61};
62
63static struct resource net2big_nor_flash_resource = {
64	.flags			= IORESOURCE_MEM,
65	.start			= NET2BIG_NOR_BOOT_BASE,
66	.end			= NET2BIG_NOR_BOOT_BASE
67					+ NET2BIG_NOR_BOOT_SIZE - 1,
68};
69
70static struct platform_device net2big_nor_flash = {
71	.name			= "physmap-flash",
72	.id			= 0,
73	.dev		= {
74		.platform_data	= &net2big_nor_flash_data,
75	},
76	.num_resources		= 1,
77	.resource		= &net2big_nor_flash_resource,
78};
79
80/*****************************************************************************
81 * Ethernet
82 ****************************************************************************/
83
84static struct mv643xx_eth_platform_data net2big_eth_data = {
85	.phy_addr	= MV643XX_ETH_PHY_ADDR(8),
86};
87
88/*****************************************************************************
89 * I2C devices
90 ****************************************************************************/
91
92/*
93 * i2c addr | chip         | description
94 * 0x32     | Ricoh 5C372b | RTC
95 * 0x50     | HT24LC08     | eeprom (1kB)
96 */
97static struct i2c_board_info __initdata net2big_i2c_devices[] = {
98	{
99		I2C_BOARD_INFO("rs5c372b", 0x32),
100	}, {
101		I2C_BOARD_INFO("24c08", 0x50),
102	},
103};
104
105/*****************************************************************************
106 * SATA
107 ****************************************************************************/
108
109static struct mv_sata_platform_data net2big_sata_data = {
110	.n_ports	= 2,
111};
112
113#define NET2BIG_GPIO_SATA_POWER_REQ	19
114#define NET2BIG_GPIO_SATA0_POWER	23
115#define NET2BIG_GPIO_SATA1_POWER	25
116
117static void __init net2big_sata_power_init(void)
118{
119	int err;
120
121	/* Configure GPIOs over MPP max number. */
122	orion_gpio_set_valid(NET2BIG_GPIO_SATA0_POWER, 1);
123	orion_gpio_set_valid(NET2BIG_GPIO_SATA1_POWER, 1);
124
125	err = gpio_request(NET2BIG_GPIO_SATA0_POWER, "SATA0 power status");
126	if (err == 0) {
127		err = gpio_direction_input(NET2BIG_GPIO_SATA0_POWER);
128		if (err)
129			gpio_free(NET2BIG_GPIO_SATA0_POWER);
130	}
131	if (err) {
132		pr_err("net2big: failed to setup SATA0 power GPIO\n");
133		return;
134	}
135
136	err = gpio_request(NET2BIG_GPIO_SATA1_POWER, "SATA1 power status");
137	if (err == 0) {
138		err = gpio_direction_input(NET2BIG_GPIO_SATA1_POWER);
139		if (err)
140			gpio_free(NET2BIG_GPIO_SATA1_POWER);
141	}
142	if (err) {
143		pr_err("net2big: failed to setup SATA1 power GPIO\n");
144		goto err_free_1;
145	}
146
147	err = gpio_request(NET2BIG_GPIO_SATA_POWER_REQ, "SATA power request");
148	if (err == 0) {
149		err = gpio_direction_output(NET2BIG_GPIO_SATA_POWER_REQ, 0);
150		if (err)
151			gpio_free(NET2BIG_GPIO_SATA_POWER_REQ);
152	}
153	if (err) {
154		pr_err("net2big: failed to setup SATA power request GPIO\n");
155		goto err_free_2;
156	}
157
158	if (gpio_get_value(NET2BIG_GPIO_SATA0_POWER) &&
159		gpio_get_value(NET2BIG_GPIO_SATA1_POWER)) {
160		return;
161	}
162
163	/*
164	 * SATA power up on both disk is done by pulling high the CPLD power
165	 * request line. The 300ms delay is related to the CPLD clock and is
166	 * needed to be sure that the CPLD has take into account the low line
167	 * status.
168	 */
169	msleep(300);
170	gpio_set_value(NET2BIG_GPIO_SATA_POWER_REQ, 1);
171	pr_info("net2big: power up SATA hard disks\n");
172
173	return;
174
175err_free_2:
176	gpio_free(NET2BIG_GPIO_SATA1_POWER);
177err_free_1:
178	gpio_free(NET2BIG_GPIO_SATA0_POWER);
179
180	return;
181}
182
183/*****************************************************************************
184 * GPIO LEDs
185 ****************************************************************************/
186
187/*
188 * The power front LEDs (blue and red) and SATA red LEDs are controlled via a
189 * single GPIO line and are compatible with the leds-gpio driver.
190 *
191 * The SATA blue LEDs have some hardware blink capabilities which are detailed
192 * in the following array:
193 *
194 * SATAx blue LED | SATAx activity | LED state
195 *                |                |
196 *       0        |       0        |  blink (rate 300ms)
197 *       1        |       0        |  off
198 *       ?        |       1        |  on
199 *
200 * Notes: The blue and the red front LED's can't be on at the same time.
201 *        Blue LED have priority.
202 */
203
204#define NET2BIG_GPIO_PWR_RED_LED	6
205#define NET2BIG_GPIO_PWR_BLUE_LED	16
206#define NET2BIG_GPIO_PWR_LED_BLINK_STOP	7
207
208#define NET2BIG_GPIO_SATA0_RED_LED	11
209#define NET2BIG_GPIO_SATA1_RED_LED	10
210
211#define NET2BIG_GPIO_SATA0_BLUE_LED	17
212#define NET2BIG_GPIO_SATA1_BLUE_LED	13
213
214static struct gpio_led net2big_leds[] = {
215	{
216		.name = "net2big:red:power",
217		.gpio = NET2BIG_GPIO_PWR_RED_LED,
218	},
219	{
220		.name = "net2big:blue:power",
221		.gpio = NET2BIG_GPIO_PWR_BLUE_LED,
222	},
223	{
224		.name = "net2big:red:sata0",
225		.gpio = NET2BIG_GPIO_SATA0_RED_LED,
226	},
227	{
228		.name = "net2big:red:sata1",
229		.gpio = NET2BIG_GPIO_SATA1_RED_LED,
230	},
231};
232
233static struct gpio_led_platform_data net2big_led_data = {
234	.num_leds = ARRAY_SIZE(net2big_leds),
235	.leds = net2big_leds,
236};
237
238static struct platform_device net2big_gpio_leds = {
239	.name           = "leds-gpio",
240	.id             = -1,
241	.dev            = {
242		.platform_data  = &net2big_led_data,
243	},
244};
245
246static void __init net2big_gpio_leds_init(void)
247{
248	int err;
249
250	/* Stop initial CPLD slow red/blue blinking on power LED. */
251	err = gpio_request(NET2BIG_GPIO_PWR_LED_BLINK_STOP,
252			   "Power LED blink stop");
253	if (err == 0) {
254		err = gpio_direction_output(NET2BIG_GPIO_PWR_LED_BLINK_STOP, 1);
255		if (err)
256			gpio_free(NET2BIG_GPIO_PWR_LED_BLINK_STOP);
257	}
258	if (err)
259		pr_err("net2big: failed to setup power LED blink GPIO\n");
260
261	/*
262	 * Configure SATA0 and SATA1 blue LEDs to blink in relation with the
263	 * hard disk activity.
264	 */
265	err = gpio_request(NET2BIG_GPIO_SATA0_BLUE_LED,
266			   "SATA0 blue LED control");
267	if (err == 0) {
268		err = gpio_direction_output(NET2BIG_GPIO_SATA0_BLUE_LED, 1);
269		if (err)
270			gpio_free(NET2BIG_GPIO_SATA0_BLUE_LED);
271	}
272	if (err)
273		pr_err("net2big: failed to setup SATA0 blue LED GPIO\n");
274
275	err = gpio_request(NET2BIG_GPIO_SATA1_BLUE_LED,
276			   "SATA1 blue LED control");
277	if (err == 0) {
278		err = gpio_direction_output(NET2BIG_GPIO_SATA1_BLUE_LED, 1);
279		if (err)
280			gpio_free(NET2BIG_GPIO_SATA1_BLUE_LED);
281	}
282	if (err)
283		pr_err("net2big: failed to setup SATA1 blue LED GPIO\n");
284
285	platform_device_register(&net2big_gpio_leds);
286}
287
288/****************************************************************************
289 * GPIO keys
290 ****************************************************************************/
291
292#define NET2BIG_GPIO_PUSH_BUTTON	18
293#define NET2BIG_GPIO_POWER_SWITCH_ON	8
294#define NET2BIG_GPIO_POWER_SWITCH_OFF	9
295
296#define NET2BIG_SWITCH_POWER_ON		0x1
297#define NET2BIG_SWITCH_POWER_OFF	0x2
298
299static struct gpio_keys_button net2big_buttons[] = {
300	{
301		.type		= EV_SW,
302		.code		= NET2BIG_SWITCH_POWER_OFF,
303		.gpio		= NET2BIG_GPIO_POWER_SWITCH_OFF,
304		.desc		= "Power rocker switch (auto|off)",
305		.active_low	= 0,
306	},
307	{
308		.type		= EV_SW,
309		.code		= NET2BIG_SWITCH_POWER_ON,
310		.gpio		= NET2BIG_GPIO_POWER_SWITCH_ON,
311		.desc		= "Power rocker switch (on|auto)",
312		.active_low	= 0,
313	},
314	{
315		.type		= EV_KEY,
316		.code		= KEY_POWER,
317		.gpio		= NET2BIG_GPIO_PUSH_BUTTON,
318		.desc		= "Front Push Button",
319		.active_low	= 0,
320	},
321};
322
323static struct gpio_keys_platform_data net2big_button_data = {
324	.buttons	= net2big_buttons,
325	.nbuttons	= ARRAY_SIZE(net2big_buttons),
326};
327
328static struct platform_device net2big_gpio_buttons = {
329	.name		= "gpio-keys",
330	.id		= -1,
331	.dev		= {
332		.platform_data	= &net2big_button_data,
333	},
334};
335
336/*****************************************************************************
337 * General Setup
338 ****************************************************************************/
339
340static unsigned int net2big_mpp_modes[] __initdata = {
341	MPP0_GPIO,	/* Raid mode (bit 0) */
342	MPP1_GPIO,	/* USB port 2 fuse (0 = Fail, 1 = Ok) */
343	MPP2_GPIO,	/* Raid mode (bit 1) */
344	MPP3_GPIO,	/* Board ID (bit 0) */
345	MPP4_GPIO,	/* Fan activity (0 = Off, 1 = On) */
346	MPP5_GPIO,	/* Fan fail detection */
347	MPP6_GPIO,	/* Red front LED (0 = Off, 1 = On) */
348	MPP7_GPIO,	/* Disable initial blinking on front LED */
349	MPP8_GPIO,	/* Rear power switch (on|auto) */
350	MPP9_GPIO,	/* Rear power switch (auto|off) */
351	MPP10_GPIO,	/* SATA 1 red LED (0 = Off, 1 = On) */
352	MPP11_GPIO,	/* SATA 0 red LED (0 = Off, 1 = On) */
353	MPP12_GPIO,	/* Board ID (bit 1) */
354	MPP13_GPIO,	/* SATA 1 blue LED blink control */
355	MPP14_SATA_LED,
356	MPP15_SATA_LED,
357	MPP16_GPIO,	/* Blue front LED control */
358	MPP17_GPIO,	/* SATA 0 blue LED blink control */
359	MPP18_GPIO,	/* Front button (0 = Released, 1 = Pushed ) */
360	MPP19_GPIO,	/* SATA{0,1} power On/Off request */
361	0,
362	/* 22: USB port 1 fuse (0 = Fail, 1 = Ok) */
363	/* 23: SATA 0 power status */
364	/* 24: Board power off */
365	/* 25: SATA 1 power status */
366};
367
368#define NET2BIG_GPIO_POWER_OFF		24
369
370static void net2big_power_off(void)
371{
372	gpio_set_value(NET2BIG_GPIO_POWER_OFF, 1);
373}
374
375static void __init net2big_init(void)
376{
377	/*
378	 * Setup basic Orion functions. Need to be called early.
379	 */
380	orion5x_init();
381
382	orion5x_mpp_conf(net2big_mpp_modes);
383
384	/*
385	 * Configure peripherals.
386	 */
387	orion5x_ehci0_init();
388	orion5x_ehci1_init();
389	orion5x_eth_init(&net2big_eth_data);
390	orion5x_i2c_init();
391	orion5x_uart0_init();
392	orion5x_xor_init();
393
394	net2big_sata_power_init();
395	orion5x_sata_init(&net2big_sata_data);
396
397	mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
398				    ORION_MBUS_DEVBUS_BOOT_ATTR,
399				    NET2BIG_NOR_BOOT_BASE,
400				    NET2BIG_NOR_BOOT_SIZE);
401	platform_device_register(&net2big_nor_flash);
402
403	platform_device_register(&net2big_gpio_buttons);
404	net2big_gpio_leds_init();
405
406	i2c_register_board_info(0, net2big_i2c_devices,
407				ARRAY_SIZE(net2big_i2c_devices));
408
409	orion_gpio_set_valid(NET2BIG_GPIO_POWER_OFF, 1);
410
411	if (gpio_request(NET2BIG_GPIO_POWER_OFF, "power-off") == 0 &&
412	    gpio_direction_output(NET2BIG_GPIO_POWER_OFF, 0) == 0)
413		pm_power_off = net2big_power_off;
414	else
415		pr_err("net2big: failed to configure power-off GPIO\n");
416
417	pr_notice("net2big: Flash writing is not yet supported.\n");
418}
419
420/* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */
421MACHINE_START(NET2BIG, "LaCie 2Big Network")
422	.atag_offset	= 0x100,
423	.nr_irqs	= ORION5X_NR_IRQS,
424	.init_machine	= net2big_init,
425	.map_io		= orion5x_map_io,
426	.init_early	= orion5x_init_early,
427	.init_irq	= orion5x_init_irq,
428	.init_time	= orion5x_timer_init,
429	.fixup		= tag_fixup_mem32,
430	.restart	= orion5x_restart,
431MACHINE_END
432