1/*
2 * QNAP TS-409 Board Setup
3 *
4 * Maintainer: Sylver Bruneau <sylver.bruneau@gmail.com>
5 *
6 * Copyright (C) 2008  Sylver Bruneau <sylver.bruneau@gmail.com>
7 * Copyright (C) 2008  Martin Michlmayr <tbm@cyrius.com>
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version
12 * 2 of the License, or (at your option) any later version.
13 */
14#include <linux/gpio.h>
15#include <linux/kernel.h>
16#include <linux/init.h>
17#include <linux/platform_device.h>
18#include <linux/pci.h>
19#include <linux/irq.h>
20#include <linux/mtd/physmap.h>
21#include <linux/mv643xx_eth.h>
22#include <linux/leds.h>
23#include <linux/gpio_keys.h>
24#include <linux/input.h>
25#include <linux/i2c.h>
26#include <linux/serial_reg.h>
27#include <asm/mach-types.h>
28#include <asm/mach/arch.h>
29#include <asm/mach/pci.h>
30#include <mach/orion5x.h>
31#include "common.h"
32#include "mpp.h"
33#include "tsx09-common.h"
34
35/*****************************************************************************
36 * QNAP TS-409 Info
37 ****************************************************************************/
38
39/*
40 * QNAP TS-409 hardware :
41 * - Marvell 88F5281-D0
42 * - Marvell 88SX7042 SATA controller (PCIe)
43 * - Marvell 88E1118 Gigabit Ethernet PHY
44 * - RTC S35390A (@0x30) on I2C bus
45 * - 8MB NOR flash
46 * - 256MB of DDR-2 RAM
47 */
48
49/*
50 * 8MB NOR flash Device bus boot chip select
51 */
52
53#define QNAP_TS409_NOR_BOOT_BASE 0xff800000
54#define QNAP_TS409_NOR_BOOT_SIZE SZ_8M
55
56/****************************************************************************
57 * 8MiB NOR flash. The struct mtd_partition is not in the same order as the
58 *     partitions on the device because we want to keep compatibility with
59 *     existing QNAP firmware.
60 *
61 * Layout as used by QNAP:
62 *  [2] 0x00000000-0x00200000 : "Kernel"
63 *  [3] 0x00200000-0x00600000 : "RootFS1"
64 *  [4] 0x00600000-0x00700000 : "RootFS2"
65 *  [6] 0x00700000-0x00760000 : "NAS Config" (read-only)
66 *  [5] 0x00760000-0x00780000 : "U-Boot Config"
67 *  [1] 0x00780000-0x00800000 : "U-Boot" (read-only)
68 ***************************************************************************/
69static struct mtd_partition qnap_ts409_partitions[] = {
70	{
71		.name		= "U-Boot",
72		.size		= 0x00080000,
73		.offset		= 0x00780000,
74		.mask_flags	= MTD_WRITEABLE,
75	}, {
76		.name		= "Kernel",
77		.size		= 0x00200000,
78		.offset		= 0,
79	}, {
80		.name		= "RootFS1",
81		.size		= 0x00400000,
82		.offset		= 0x00200000,
83	}, {
84		.name		= "RootFS2",
85		.size		= 0x00100000,
86		.offset		= 0x00600000,
87	}, {
88		.name		= "U-Boot Config",
89		.size		= 0x00020000,
90		.offset		= 0x00760000,
91	}, {
92		.name		= "NAS Config",
93		.size		= 0x00060000,
94		.offset		= 0x00700000,
95		.mask_flags	= MTD_WRITEABLE,
96	},
97};
98
99static struct physmap_flash_data qnap_ts409_nor_flash_data = {
100	.width		= 1,
101	.parts		= qnap_ts409_partitions,
102	.nr_parts	= ARRAY_SIZE(qnap_ts409_partitions)
103};
104
105static struct resource qnap_ts409_nor_flash_resource = {
106	.flags	= IORESOURCE_MEM,
107	.start	= QNAP_TS409_NOR_BOOT_BASE,
108	.end	= QNAP_TS409_NOR_BOOT_BASE + QNAP_TS409_NOR_BOOT_SIZE - 1,
109};
110
111static struct platform_device qnap_ts409_nor_flash = {
112	.name		= "physmap-flash",
113	.id		= 0,
114	.dev		= { .platform_data = &qnap_ts409_nor_flash_data, },
115	.num_resources	= 1,
116	.resource	= &qnap_ts409_nor_flash_resource,
117};
118
119/*****************************************************************************
120 * PCI
121 ****************************************************************************/
122
123static int __init qnap_ts409_pci_map_irq(const struct pci_dev *dev, u8 slot,
124	u8 pin)
125{
126	int irq;
127
128	/*
129	 * Check for devices with hard-wired IRQs.
130	 */
131	irq = orion5x_pci_map_irq(dev, slot, pin);
132	if (irq != -1)
133		return irq;
134
135	/*
136	 * PCI isn't used on the TS-409
137	 */
138	return -1;
139}
140
141static struct hw_pci qnap_ts409_pci __initdata = {
142	.nr_controllers	= 2,
143	.setup		= orion5x_pci_sys_setup,
144	.scan		= orion5x_pci_sys_scan_bus,
145	.map_irq	= qnap_ts409_pci_map_irq,
146};
147
148static int __init qnap_ts409_pci_init(void)
149{
150	if (machine_is_ts409())
151		pci_common_init(&qnap_ts409_pci);
152
153	return 0;
154}
155
156subsys_initcall(qnap_ts409_pci_init);
157
158/*****************************************************************************
159 * RTC S35390A on I2C bus
160 ****************************************************************************/
161
162#define TS409_RTC_GPIO	10
163
164static struct i2c_board_info __initdata qnap_ts409_i2c_rtc = {
165	I2C_BOARD_INFO("s35390a", 0x30),
166};
167
168/*****************************************************************************
169 * LEDs attached to GPIO
170 ****************************************************************************/
171
172static struct gpio_led ts409_led_pins[] = {
173	{
174		.name		= "ts409:red:sata1",
175		.gpio		= 4,
176		.active_low	= 1,
177	}, {
178		.name		= "ts409:red:sata2",
179		.gpio		= 5,
180		.active_low	= 1,
181	}, {
182		.name		= "ts409:red:sata3",
183		.gpio		= 6,
184		.active_low	= 1,
185	}, {
186		.name		= "ts409:red:sata4",
187		.gpio		= 7,
188		.active_low	= 1,
189	},
190};
191
192static struct gpio_led_platform_data ts409_led_data = {
193	.leds		= ts409_led_pins,
194	.num_leds	= ARRAY_SIZE(ts409_led_pins),
195};
196
197static struct platform_device ts409_leds = {
198	.name	= "leds-gpio",
199	.id	= -1,
200	.dev	= {
201		.platform_data	= &ts409_led_data,
202	},
203};
204
205/****************************************************************************
206 * GPIO Attached Keys
207 *     Power button is attached to the PIC microcontroller
208 ****************************************************************************/
209
210#define QNAP_TS409_GPIO_KEY_RESET	14
211#define QNAP_TS409_GPIO_KEY_MEDIA	15
212
213static struct gpio_keys_button qnap_ts409_buttons[] = {
214	{
215		.code		= KEY_RESTART,
216		.gpio		= QNAP_TS409_GPIO_KEY_RESET,
217		.desc		= "Reset Button",
218		.active_low	= 1,
219	}, {
220		.code		= KEY_COPY,
221		.gpio		= QNAP_TS409_GPIO_KEY_MEDIA,
222		.desc		= "USB Copy Button",
223		.active_low	= 1,
224	},
225};
226
227static struct gpio_keys_platform_data qnap_ts409_button_data = {
228	.buttons	= qnap_ts409_buttons,
229	.nbuttons	= ARRAY_SIZE(qnap_ts409_buttons),
230};
231
232static struct platform_device qnap_ts409_button_device = {
233	.name		= "gpio-keys",
234	.id		= -1,
235	.num_resources	= 0,
236	.dev		= {
237		.platform_data	= &qnap_ts409_button_data,
238	},
239};
240
241/*****************************************************************************
242 * General Setup
243 ****************************************************************************/
244static unsigned int ts409_mpp_modes[] __initdata = {
245	MPP0_UNUSED,
246	MPP1_UNUSED,
247	MPP2_UNUSED,
248	MPP3_UNUSED,
249	MPP4_GPIO,		/* HDD 1 status */
250	MPP5_GPIO,		/* HDD 2 status */
251	MPP6_GPIO,		/* HDD 3 status */
252	MPP7_GPIO,		/* HDD 4 status */
253	MPP8_UNUSED,
254	MPP9_UNUSED,
255	MPP10_GPIO,		/* RTC int */
256	MPP11_UNUSED,
257	MPP12_UNUSED,
258	MPP13_UNUSED,
259	MPP14_GPIO,		/* SW_RST */
260	MPP15_GPIO,		/* USB copy button */
261	MPP16_UART,		/* UART1 RXD */
262	MPP17_UART,		/* UART1 TXD */
263	MPP18_UNUSED,
264	MPP19_UNUSED,
265	0,
266};
267
268static void __init qnap_ts409_init(void)
269{
270	/*
271	 * Setup basic Orion functions. Need to be called early.
272	 */
273	orion5x_init();
274
275	orion5x_mpp_conf(ts409_mpp_modes);
276
277	/*
278	 * Configure peripherals.
279	 */
280	mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
281				    ORION_MBUS_DEVBUS_BOOT_ATTR,
282				    QNAP_TS409_NOR_BOOT_BASE,
283				    QNAP_TS409_NOR_BOOT_SIZE);
284	platform_device_register(&qnap_ts409_nor_flash);
285
286	orion5x_ehci0_init();
287	qnap_tsx09_find_mac_addr(QNAP_TS409_NOR_BOOT_BASE +
288				 qnap_ts409_partitions[5].offset,
289				 qnap_ts409_partitions[5].size);
290	orion5x_eth_init(&qnap_tsx09_eth_data);
291	orion5x_i2c_init();
292	orion5x_uart0_init();
293	orion5x_uart1_init();
294
295	platform_device_register(&qnap_ts409_button_device);
296
297	/* Get RTC IRQ and register the chip */
298	if (gpio_request(TS409_RTC_GPIO, "rtc") == 0) {
299		if (gpio_direction_input(TS409_RTC_GPIO) == 0)
300			qnap_ts409_i2c_rtc.irq = gpio_to_irq(TS409_RTC_GPIO);
301		else
302			gpio_free(TS409_RTC_GPIO);
303	}
304	if (qnap_ts409_i2c_rtc.irq == 0)
305		pr_warn("qnap_ts409_init: failed to get RTC IRQ\n");
306	i2c_register_board_info(0, &qnap_ts409_i2c_rtc, 1);
307	platform_device_register(&ts409_leds);
308
309	/* register tsx09 specific power-off method */
310	pm_power_off = qnap_tsx09_power_off;
311}
312
313MACHINE_START(TS409, "QNAP TS-409")
314	/* Maintainer:  Sylver Bruneau <sylver.bruneau@gmail.com> */
315	.atag_offset	= 0x100,
316	.init_machine	= qnap_ts409_init,
317	.map_io		= orion5x_map_io,
318	.init_early	= orion5x_init_early,
319	.init_irq	= orion5x_init_irq,
320	.init_time	= orion5x_timer_init,
321	.fixup		= tag_fixup_mem32,
322	.restart	= orion5x_restart,
323MACHINE_END
324