aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-orion5x/ts209-setup.c
blob: fbf66ea8c77fec7696e1a1bf57e5840865a95963 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
/*
 * QNAP TS-109/TS-209 Board Setup
 *
 * Maintainer: Byron Bradley <byron.bbradley@gmail.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/pci.h>
#include <linux/irq.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/nand.h>
#include <linux/mv643xx_eth.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/i2c.h>
#include <linux/serial_reg.h>
#include <linux/ata_platform.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/pci.h>
#include <mach/orion5x.h>
#include "common.h"
#include "mpp.h"
#include "tsx09-common.h"

#define QNAP_TS209_NOR_BOOT_BASE 0xf4000000
#define QNAP_TS209_NOR_BOOT_SIZE SZ_8M

/****************************************************************************
 * 8MiB NOR flash. The struct mtd_partition is not in the same order as the
 *     partitions on the device because we want to keep compatibility with
 *     existing QNAP firmware.
 *
 * Layout as used by QNAP:
 *  [2] 0x00000000-0x00200000 : "Kernel"
 *  [3] 0x00200000-0x00600000 : "RootFS1"
 *  [4] 0x00600000-0x00700000 : "RootFS2"
 *  [6] 0x00700000-0x00760000 : "NAS Config" (read-only)
 *  [5] 0x00760000-0x00780000 : "U-Boot Config"
 *  [1] 0x00780000-0x00800000 : "U-Boot" (read-only)
 ***************************************************************************/
static struct mtd_partition qnap_ts209_partitions[] = {
	{
		.name		= "U-Boot",
		.size		= 0x00080000,
		.offset		= 0x00780000,
		.mask_flags	= MTD_WRITEABLE,
	}, {
		.name		= "Kernel",
		.size		= 0x00200000,
		.offset		= 0,
	}, {
		.name		= "RootFS1",
		.size		= 0x00400000,
		.offset		= 0x00200000,
	}, {
		.name		= "RootFS2",
		.size		= 0x00100000,
		.offset		= 0x00600000,
	}, {
		.name		= "U-Boot Config",
		.size		= 0x00020000,
		.offset		= 0x00760000,
	}, {
		.name		= "NAS Config",
		.size		= 0x00060000,
		.offset		= 0x00700000,
		.mask_flags	= MTD_WRITEABLE,
	},
};

static struct physmap_flash_data qnap_ts209_nor_flash_data = {
	.width		= 1,
	.parts		= qnap_ts209_partitions,
	.nr_parts	= ARRAY_SIZE(qnap_ts209_partitions)
};

static struct resource qnap_ts209_nor_flash_resource = {
	.flags	= IORESOURCE_MEM,
	.start	= QNAP_TS209_NOR_BOOT_BASE,
	.end	= QNAP_TS209_NOR_BOOT_BASE + QNAP_TS209_NOR_BOOT_SIZE - 1,
};

static struct platform_device qnap_ts209_nor_flash = {
	.name		= "physmap-flash",
	.id		= 0,
	.dev		= {
		.platform_data	= &qnap_ts209_nor_flash_data,
	},
	.resource	= &qnap_ts209_nor_flash_resource,
	.num_resources	= 1,
};

/*****************************************************************************
 * PCI
 ****************************************************************************/

#define QNAP_TS209_PCI_SLOT0_OFFS	7
#define QNAP_TS209_PCI_SLOT0_IRQ_PIN	6
#define QNAP_TS209_PCI_SLOT1_IRQ_PIN	7

void __init qnap_ts209_pci_preinit(void)
{
	int pin;

	/*
	 * Configure PCI GPIO IRQ pins
	 */
	pin = QNAP_TS209_PCI_SLOT0_IRQ_PIN;
	if (gpio_request(pin, "PCI Int1") == 0) {
		if (gpio_direction_input(pin) == 0) {
			irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW);
		} else {
			printk(KERN_ERR "qnap_ts209_pci_preinit failed to "
					"set_irq_type pin %d\n", pin);
			gpio_free(pin);
		}
	} else {
		printk(KERN_ERR "qnap_ts209_pci_preinit failed to gpio_request "
				"%d\n", pin);
	}

	pin = QNAP_TS209_PCI_SLOT1_IRQ_PIN;
	if (gpio_request(pin, "PCI Int2") == 0) {
		if (gpio_direction_input(pin) == 0) {
			irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW);
		} else {
			printk(KERN_ERR "qnap_ts209_pci_preinit failed "
					"to set_irq_type pin %d\n", pin);
			gpio_free(pin);
		}
	} else {
		printk(KERN_ERR "qnap_ts209_pci_preinit failed to gpio_request "
				"%d\n", pin);
	}
}

static int __init qnap_ts209_pci_map_irq(const struct pci_dev *dev, u8 slot,
	u8 pin)
{
	int irq;

	/*
	 * Check for devices with hard-wired IRQs.
	 */
	irq = orion5x_pci_map_irq(dev, slot, pin);
	if (irq != -1)
		return irq;

	/*
	 * PCI IRQs are connected via GPIOs.
	 */
	switch (slot - QNAP_TS209_PCI_SLOT0_OFFS) {
	case 0:
		return gpio_to_irq(QNAP_TS209_PCI_SLOT0_IRQ_PIN);
	case 1:
		return gpio_to_irq(QNAP_TS209_PCI_SLOT1_IRQ_PIN);
	default:
		return -1;
	}
}

static struct hw_pci qnap_ts209_pci __initdata = {
	.nr_controllers	= 2,
	.preinit	= qnap_ts209_pci_preinit,
	.swizzle	= pci_std_swizzle,
	.setup		= orion5x_pci_sys_setup,
	.scan		= orion5x_pci_sys_scan_bus,
	.map_irq	= qnap_ts209_pci_map_irq,
};

static int __init qnap_ts209_pci_init(void)
{
	if (machine_is_ts209())
		pci_common_init(&qnap_ts209_pci);

	return 0;
}

subsys_initcall(qnap_ts209_pci_init);

/*****************************************************************************
 * RTC S35390A on I2C bus
 ****************************************************************************/

#define TS209_RTC_GPIO	3

static struct i2c_board_info __initdata qnap_ts209_i2c_rtc = {
	I2C_BOARD_INFO("s35390a", 0x30),
	.irq	= 0,
};

/****************************************************************************
 * GPIO Attached Keys
 *     Power button is attached to the PIC microcontroller
 ****************************************************************************/

#define QNAP_TS209_GPIO_KEY_MEDIA	1
#define QNAP_TS209_GPIO_KEY_RESET	2

static struct gpio_keys_button qnap_ts209_buttons[] = {
	{
		.code		= KEY_COPY,
		.gpio		= QNAP_TS209_GPIO_KEY_MEDIA,
		.desc		= "USB Copy Button",
		.active_low	= 1,
	}, {
		.code		= KEY_RESTART,
		.gpio		= QNAP_TS209_GPIO_KEY_RESET,
		.desc		= "Reset Button",
		.active_low	= 1,
	},
};

static struct gpio_keys_platform_data qnap_ts209_button_data = {
	.buttons	= qnap_ts209_buttons,
	.nbuttons	= ARRAY_SIZE(qnap_ts209_buttons),
};

static struct platform_device qnap_ts209_button_device = {
	.name		= "gpio-keys",
	.id		= -1,
	.num_resources	= 0,
	.dev		= {
		.platform_data	= &qnap_ts209_button_data,
	},
};

/*****************************************************************************
 * SATA
 ****************************************************************************/
static struct mv_sata_platform_data qnap_ts209_sata_data = {
	.n_ports	= 2,
};

/*****************************************************************************

 * General Setup
 ****************************************************************************/
static unsigned int ts209_mpp_modes[] __initdata = {
	MPP0_UNUSED,
	MPP1_GPIO,		/* USB copy button */
	MPP2_GPIO,		/* Load defaults button */
	MPP3_GPIO,		/* GPIO RTC */
	MPP4_UNUSED,
	MPP5_UNUSED,
	MPP6_GPIO,		/* PCI Int A */
	MPP7_GPIO,		/* PCI Int B */
	MPP8_UNUSED,
	MPP9_UNUSED,
	MPP10_UNUSED,
	MPP11_UNUSED,
	MPP12_SATA_LED,		/* SATA 0 presence */
	MPP13_SATA_LED,		/* SATA 1 presence */
	MPP14_SATA_LED,		/* SATA 0 active */
	MPP15_SATA_LED,		/* SATA 1 active */
	MPP16_UART,		/* UART1 RXD */
	MPP17_UART,		/* UART1 TXD */
	MPP18_GPIO,		/* SW_RST */
	MPP19_UNUSED,
	0,
};

static void __init qnap_ts209_init(void)
{
	/*
	 * Setup basic Orion functions. Need to be called early.
	 */
	orion5x_init();

	orion5x_mpp_conf(ts209_mpp_modes);

	/*
	 * MPP[20] PCI clock 0
	 * MPP[21] PCI clock 1
	 * MPP[22] USB 0 over current
	 * MPP[23-25] Reserved
	 */

	/*
	 * Configure peripherals.
	 */
	orion5x_setup_dev_boot_win(QNAP_TS209_NOR_BOOT_BASE,
				   QNAP_TS209_NOR_BOOT_SIZE);
	platform_device_register(&qnap_ts209_nor_flash);

	orion5x_ehci0_init();
	orion5x_ehci1_init();
	qnap_tsx09_find_mac_addr(QNAP_TS209_NOR_BOOT_BASE +
				 qnap_ts209_partitions[5].offset,
				 qnap_ts209_partitions[5].size);
	orion5x_eth_init(&qnap_tsx09_eth_data);
	orion5x_i2c_init();
	orion5x_sata_init(&qnap_ts209_sata_data);
	orion5x_uart0_init();
	orion5x_uart1_init();
	orion5x_xor_init();

	platform_device_register(&qnap_ts209_button_device);

	/* Get RTC IRQ and register the chip */
	if (gpio_request(TS209_RTC_GPIO, "rtc") == 0) {
		if (gpio_direction_input(TS209_RTC_GPIO) == 0)
			qnap_ts209_i2c_rtc.irq = gpio_to_irq(TS209_RTC_GPIO);
		else
			gpio_free(TS209_RTC_GPIO);
	}
	if (qnap_ts209_i2c_rtc.irq == 0)
		pr_warning("qnap_ts209_init: failed to get RTC IRQ\n");
	i2c_register_board_info(0, &qnap_ts209_i2c_rtc, 1);

	/* register tsx09 specific power-off method */
	pm_power_off = qnap_tsx09_power_off;
}

MACHINE_START(TS209, "QNAP TS-109/TS-209")
	/* Maintainer: Byron Bradley <byron.bbradley@gmail.com> */
	.atag_offset	= 0x100,
	.init_machine	= qnap_ts209_init,
	.map_io		= orion5x_map_io,
	.init_early	= orion5x_init_early,
	.init_irq	= orion5x_init_irq,
	.timer		= &orion5x_timer,
	.fixup		= tag_fixup_mem32,
MACHINE_END