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/arch/arm/mach-orion5x/d2net-setup.c

https://github.com/AICP/kernel_asus_grouper
C | 360 lines | 229 code | 53 blank | 78 comment | 12 complexity | ed389c288bd4a94347f5c1427a08e419 MD5 | raw file
  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 "common.h"
 31#include "mpp.h"
 32
 33/*****************************************************************************
 34 * LaCie d2 Network Info
 35 ****************************************************************************/
 36
 37/*
 38 * 512KB NOR flash Device bus boot chip select
 39 */
 40
 41#define D2NET_NOR_BOOT_BASE		0xfff80000
 42#define D2NET_NOR_BOOT_SIZE		SZ_512K
 43
 44/*****************************************************************************
 45 * 512KB NOR Flash on Boot Device
 46 ****************************************************************************/
 47
 48/*
 49 * TODO: Check write support on flash MX29LV400CBTC-70G
 50 */
 51
 52static struct mtd_partition d2net_partitions[] = {
 53	{
 54		.name		= "Full512kb",
 55		.size		= MTDPART_SIZ_FULL,
 56		.offset		= 0,
 57		.mask_flags	= MTD_WRITEABLE,
 58	},
 59};
 60
 61static struct physmap_flash_data d2net_nor_flash_data = {
 62	.width		= 1,
 63	.parts		= d2net_partitions,
 64	.nr_parts	= ARRAY_SIZE(d2net_partitions),
 65};
 66
 67static struct resource d2net_nor_flash_resource = {
 68	.flags			= IORESOURCE_MEM,
 69	.start			= D2NET_NOR_BOOT_BASE,
 70	.end			= D2NET_NOR_BOOT_BASE
 71					+ D2NET_NOR_BOOT_SIZE - 1,
 72};
 73
 74static struct platform_device d2net_nor_flash = {
 75	.name			= "physmap-flash",
 76	.id			= 0,
 77	.dev		= {
 78		.platform_data	= &d2net_nor_flash_data,
 79	},
 80	.num_resources		= 1,
 81	.resource		= &d2net_nor_flash_resource,
 82};
 83
 84/*****************************************************************************
 85 * Ethernet
 86 ****************************************************************************/
 87
 88static struct mv643xx_eth_platform_data d2net_eth_data = {
 89	.phy_addr	= MV643XX_ETH_PHY_ADDR(8),
 90};
 91
 92/*****************************************************************************
 93 * I2C devices
 94 ****************************************************************************/
 95
 96/*
 97 * i2c addr | chip         | description
 98 * 0x32     | Ricoh 5C372b | RTC
 99 * 0x3e     | GMT G762     | PWM fan controller
100 * 0x50     | HT24LC08     | eeprom (1kB)
101 *
102 * TODO: Add G762 support to the g760a driver.
103 */
104static struct i2c_board_info __initdata d2net_i2c_devices[] = {
105	{
106		I2C_BOARD_INFO("rs5c372b", 0x32),
107	}, {
108		I2C_BOARD_INFO("24c08", 0x50),
109	},
110};
111
112/*****************************************************************************
113 * SATA
114 ****************************************************************************/
115
116static struct mv_sata_platform_data d2net_sata_data = {
117	.n_ports	= 2,
118};
119
120#define D2NET_GPIO_SATA0_POWER	3
121#define D2NET_GPIO_SATA1_POWER	12
122
123static void __init d2net_sata_power_init(void)
124{
125	int err;
126
127	err = gpio_request(D2NET_GPIO_SATA0_POWER, "SATA0 power");
128	if (err == 0) {
129		err = gpio_direction_output(D2NET_GPIO_SATA0_POWER, 1);
130		if (err)
131			gpio_free(D2NET_GPIO_SATA0_POWER);
132	}
133	if (err)
134		pr_err("d2net: failed to configure SATA0 power GPIO\n");
135
136	err = gpio_request(D2NET_GPIO_SATA1_POWER, "SATA1 power");
137	if (err == 0) {
138		err = gpio_direction_output(D2NET_GPIO_SATA1_POWER, 1);
139		if (err)
140			gpio_free(D2NET_GPIO_SATA1_POWER);
141	}
142	if (err)
143		pr_err("d2net: failed to configure SATA1 power GPIO\n");
144}
145
146/*****************************************************************************
147 * GPIO LED's
148 ****************************************************************************/
149
150/*
151 * The blue front LED is wired to the CPLD and can blink in relation with the
152 * SATA activity.
153 *
154 * The following array detail the different LED registers and the combination
155 * of their possible values:
156 *
157 * led_off   | blink_ctrl | SATA active | LED state
158 *           |            |             |
159 *    1      |     x      |      x      |  off
160 *    0      |     0      |      0      |  off
161 *    0      |     1      |      0      |  blink (rate 300ms)
162 *    0      |     x      |      1      |  on
163 *
164 * Notes: The blue and the red front LED's can't be on at the same time.
165 *        Red LED have priority.
166 */
167
168#define D2NET_GPIO_RED_LED		6
169#define D2NET_GPIO_BLUE_LED_BLINK_CTRL	16
170#define D2NET_GPIO_BLUE_LED_OFF		23
171
172static struct gpio_led d2net_leds[] = {
173	{
174		.name = "d2net:blue:sata",
175		.default_trigger = "default-on",
176		.gpio = D2NET_GPIO_BLUE_LED_OFF,
177		.active_low = 1,
178	},
179	{
180		.name = "d2net:red:fail",
181		.gpio = D2NET_GPIO_RED_LED,
182	},
183};
184
185static struct gpio_led_platform_data d2net_led_data = {
186	.num_leds = ARRAY_SIZE(d2net_leds),
187	.leds = d2net_leds,
188};
189
190static struct platform_device d2net_gpio_leds = {
191	.name           = "leds-gpio",
192	.id             = -1,
193	.dev            = {
194		.platform_data  = &d2net_led_data,
195	},
196};
197
198static void __init d2net_gpio_leds_init(void)
199{
200	int err;
201
202	/* Configure GPIO over MPP max number. */
203	orion_gpio_set_valid(D2NET_GPIO_BLUE_LED_OFF, 1);
204
205	/* Configure register blink_ctrl to allow SATA activity LED blinking. */
206	err = gpio_request(D2NET_GPIO_BLUE_LED_BLINK_CTRL, "blue LED blink");
207	if (err == 0) {
208		err = gpio_direction_output(D2NET_GPIO_BLUE_LED_BLINK_CTRL, 1);
209		if (err)
210			gpio_free(D2NET_GPIO_BLUE_LED_BLINK_CTRL);
211	}
212	if (err)
213		pr_err("d2net: failed to configure blue LED blink GPIO\n");
214
215	platform_device_register(&d2net_gpio_leds);
216}
217
218/****************************************************************************
219 * GPIO keys
220 ****************************************************************************/
221
222#define D2NET_GPIO_PUSH_BUTTON		18
223#define D2NET_GPIO_POWER_SWITCH_ON	8
224#define D2NET_GPIO_POWER_SWITCH_OFF	9
225
226#define D2NET_SWITCH_POWER_ON		0x1
227#define D2NET_SWITCH_POWER_OFF		0x2
228
229static struct gpio_keys_button d2net_buttons[] = {
230	{
231		.type		= EV_SW,
232		.code		= D2NET_SWITCH_POWER_OFF,
233		.gpio		= D2NET_GPIO_POWER_SWITCH_OFF,
234		.desc		= "Power rocker switch (auto|off)",
235		.active_low	= 0,
236	},
237	{
238		.type		= EV_SW,
239		.code		= D2NET_SWITCH_POWER_ON,
240		.gpio		= D2NET_GPIO_POWER_SWITCH_ON,
241		.desc		= "Power rocker switch (on|auto)",
242		.active_low	= 0,
243	},
244	{
245		.type		= EV_KEY,
246		.code		= KEY_POWER,
247		.gpio		= D2NET_GPIO_PUSH_BUTTON,
248		.desc		= "Front Push Button",
249		.active_low	= 0,
250	},
251};
252
253static struct gpio_keys_platform_data d2net_button_data = {
254	.buttons	= d2net_buttons,
255	.nbuttons	= ARRAY_SIZE(d2net_buttons),
256};
257
258static struct platform_device d2net_gpio_buttons = {
259	.name		= "gpio-keys",
260	.id		= -1,
261	.dev		= {
262		.platform_data	= &d2net_button_data,
263	},
264};
265
266/*****************************************************************************
267 * General Setup
268 ****************************************************************************/
269
270static unsigned int d2net_mpp_modes[] __initdata = {
271	MPP0_GPIO,	/* Board ID (bit 0) */
272	MPP1_GPIO,	/* Board ID (bit 1) */
273	MPP2_GPIO,	/* Board ID (bit 2) */
274	MPP3_GPIO,	/* SATA 0 power */
275	MPP4_UNUSED,
276	MPP5_GPIO,	/* Fan fail detection */
277	MPP6_GPIO,	/* Red front LED */
278	MPP7_UNUSED,
279	MPP8_GPIO,	/* Rear power switch (on|auto) */
280	MPP9_GPIO,	/* Rear power switch (auto|off) */
281	MPP10_UNUSED,
282	MPP11_UNUSED,
283	MPP12_GPIO,	/* SATA 1 power */
284	MPP13_UNUSED,
285	MPP14_SATA_LED,	/* SATA 0 active */
286	MPP15_SATA_LED,	/* SATA 1 active */
287	MPP16_GPIO,	/* Blue front LED blink control */
288	MPP17_UNUSED,
289	MPP18_GPIO,	/* Front button (0 = Released, 1 = Pushed ) */
290	MPP19_UNUSED,
291	0,
292	/* 22: USB port 1 fuse (0 = Fail, 1 = Ok) */
293	/* 23: Blue front LED off */
294	/* 24: Inhibit board power off (0 = Disabled, 1 = Enabled) */
295};
296
297#define D2NET_GPIO_INHIBIT_POWER_OFF    24
298
299static void __init d2net_init(void)
300{
301	/*
302	 * Setup basic Orion functions. Need to be called early.
303	 */
304	orion5x_init();
305
306	orion5x_mpp_conf(d2net_mpp_modes);
307
308	/*
309	 * Configure peripherals.
310	 */
311	orion5x_ehci0_init();
312	orion5x_eth_init(&d2net_eth_data);
313	orion5x_i2c_init();
314	orion5x_uart0_init();
315
316	d2net_sata_power_init();
317	orion5x_sata_init(&d2net_sata_data);
318
319	orion5x_setup_dev_boot_win(D2NET_NOR_BOOT_BASE,
320				D2NET_NOR_BOOT_SIZE);
321	platform_device_register(&d2net_nor_flash);
322
323	platform_device_register(&d2net_gpio_buttons);
324
325	d2net_gpio_leds_init();
326
327	pr_notice("d2net: Flash write are not yet supported.\n");
328
329	i2c_register_board_info(0, d2net_i2c_devices,
330				ARRAY_SIZE(d2net_i2c_devices));
331
332	orion_gpio_set_valid(D2NET_GPIO_INHIBIT_POWER_OFF, 1);
333}
334
335/* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */
336
337#ifdef CONFIG_MACH_D2NET
338MACHINE_START(D2NET, "LaCie d2 Network")
339	.boot_params	= 0x00000100,
340	.init_machine	= d2net_init,
341	.map_io		= orion5x_map_io,
342	.init_early	= orion5x_init_early,
343	.init_irq	= orion5x_init_irq,
344	.timer		= &orion5x_timer,
345	.fixup		= tag_fixup_mem32,
346MACHINE_END
347#endif
348
349#ifdef CONFIG_MACH_BIGDISK
350MACHINE_START(BIGDISK, "LaCie Big Disk Network")
351	.boot_params	= 0x00000100,
352	.init_machine	= d2net_init,
353	.map_io		= orion5x_map_io,
354	.init_early	= orion5x_init_early,
355	.init_irq	= orion5x_init_irq,
356	.timer		= &orion5x_timer,
357	.fixup		= tag_fixup_mem32,
358MACHINE_END
359#endif
360