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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6/arch/arm/mach-orion5x/
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
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/gpio.h>
29#include <asm/mach/arch.h>
30#include <asm/mach/pci.h>
31#include <mach/orion5x.h>
32#include "common.h"
33#include "mpp.h"
34#include "tsx09-common.h"
35
36/*****************************************************************************
37 * QNAP TS-409 Info
38 ****************************************************************************/
39
40/*
41 * QNAP TS-409 hardware :
42 * - Marvell 88F5281-D0
43 * - Marvell 88SX7042 SATA controller (PCIe)
44 * - Marvell 88E1118 Gigabit Ethernet PHY
45 * - RTC S35390A (@0x30) on I2C bus
46 * - 8MB NOR flash
47 * - 256MB of DDR-2 RAM
48 */
49
50/*
51 * 8MB NOR flash Device bus boot chip select
52 */
53
54#define QNAP_TS409_NOR_BOOT_BASE 0xff800000
55#define QNAP_TS409_NOR_BOOT_SIZE SZ_8M
56
57/****************************************************************************
58 * 8MiB NOR flash. The struct mtd_partition is not in the same order as the
59 *     partitions on the device because we want to keep compatability with
60 *     existing QNAP firmware.
61 *
62 * Layout as used by QNAP:
63 *  [2] 0x00000000-0x00200000 : "Kernel"
64 *  [3] 0x00200000-0x00600000 : "RootFS1"
65 *  [4] 0x00600000-0x00700000 : "RootFS2"
66 *  [6] 0x00700000-0x00760000 : "NAS Config" (read-only)
67 *  [5] 0x00760000-0x00780000 : "U-Boot Config"
68 *  [1] 0x00780000-0x00800000 : "U-Boot" (read-only)
69 ***************************************************************************/
70static struct mtd_partition qnap_ts409_partitions[] = {
71	{
72		.name		= "U-Boot",
73		.size		= 0x00080000,
74		.offset		= 0x00780000,
75		.mask_flags	= MTD_WRITEABLE,
76	}, {
77		.name		= "Kernel",
78		.size		= 0x00200000,
79		.offset		= 0,
80	}, {
81		.name		= "RootFS1",
82		.size		= 0x00400000,
83		.offset		= 0x00200000,
84	}, {
85		.name		= "RootFS2",
86		.size		= 0x00100000,
87		.offset		= 0x00600000,
88	}, {
89		.name		= "U-Boot Config",
90		.size		= 0x00020000,
91		.offset		= 0x00760000,
92	}, {
93		.name		= "NAS Config",
94		.size		= 0x00060000,
95		.offset		= 0x00700000,
96		.mask_flags	= MTD_WRITEABLE,
97	},
98};
99
100static struct physmap_flash_data qnap_ts409_nor_flash_data = {
101	.width		= 1,
102	.parts		= qnap_ts409_partitions,
103	.nr_parts	= ARRAY_SIZE(qnap_ts409_partitions)
104};
105
106static struct resource qnap_ts409_nor_flash_resource = {
107	.flags	= IORESOURCE_MEM,
108	.start	= QNAP_TS409_NOR_BOOT_BASE,
109	.end	= QNAP_TS409_NOR_BOOT_BASE + QNAP_TS409_NOR_BOOT_SIZE - 1,
110};
111
112static struct platform_device qnap_ts409_nor_flash = {
113	.name		= "physmap-flash",
114	.id		= 0,
115	.dev		= { .platform_data = &qnap_ts409_nor_flash_data, },
116	.num_resources	= 1,
117	.resource	= &qnap_ts409_nor_flash_resource,
118};
119
120/*****************************************************************************
121 * PCI
122 ****************************************************************************/
123
124static int __init qnap_ts409_pci_map_irq(struct pci_dev *dev, u8 slot, 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	.swizzle	= pci_std_swizzle,
144	.setup		= orion5x_pci_sys_setup,
145	.scan		= orion5x_pci_sys_scan_bus,
146	.map_irq	= qnap_ts409_pci_map_irq,
147};
148
149static int __init qnap_ts409_pci_init(void)
150{
151	if (machine_is_ts409())
152		pci_common_init(&qnap_ts409_pci);
153
154	return 0;
155}
156
157subsys_initcall(qnap_ts409_pci_init);
158
159/*****************************************************************************
160 * RTC S35390A on I2C bus
161 ****************************************************************************/
162
163#define TS409_RTC_GPIO	10
164
165static struct i2c_board_info __initdata qnap_ts409_i2c_rtc = {
166	I2C_BOARD_INFO("s35390a", 0x30),
167};
168
169/*****************************************************************************
170 * LEDs attached to GPIO
171 ****************************************************************************/
172
173static struct gpio_led ts409_led_pins[] = {
174	{
175		.name		= "ts409:red:sata1",
176		.gpio		= 4,
177		.active_low	= 1,
178	}, {
179		.name		= "ts409:red:sata2",
180		.gpio		= 5,
181		.active_low	= 1,
182	}, {
183		.name		= "ts409:red:sata3",
184		.gpio		= 6,
185		.active_low	= 1,
186	}, {
187		.name		= "ts409:red:sata4",
188		.gpio		= 7,
189		.active_low	= 1,
190	},
191};
192
193static struct gpio_led_platform_data ts409_led_data = {
194	.leds		= ts409_led_pins,
195	.num_leds	= ARRAY_SIZE(ts409_led_pins),
196};
197
198static struct platform_device ts409_leds = {
199	.name	= "leds-gpio",
200	.id	= -1,
201	.dev	= {
202		.platform_data	= &ts409_led_data,
203	},
204};
205
206/****************************************************************************
207 * GPIO Attached Keys
208 *     Power button is attached to the PIC microcontroller
209 ****************************************************************************/
210
211#define QNAP_TS409_GPIO_KEY_RESET	14
212#define QNAP_TS409_GPIO_KEY_MEDIA	15
213
214static struct gpio_keys_button qnap_ts409_buttons[] = {
215	{
216		.code		= KEY_RESTART,
217		.gpio		= QNAP_TS409_GPIO_KEY_RESET,
218		.desc		= "Reset Button",
219		.active_low	= 1,
220	}, {
221		.code		= KEY_COPY,
222		.gpio		= QNAP_TS409_GPIO_KEY_MEDIA,
223		.desc		= "USB Copy Button",
224		.active_low	= 1,
225	},
226};
227
228static struct gpio_keys_platform_data qnap_ts409_button_data = {
229	.buttons	= qnap_ts409_buttons,
230	.nbuttons	= ARRAY_SIZE(qnap_ts409_buttons),
231};
232
233static struct platform_device qnap_ts409_button_device = {
234	.name		= "gpio-keys",
235	.id		= -1,
236	.num_resources	= 0,
237	.dev		= {
238		.platform_data	= &qnap_ts409_button_data,
239	},
240};
241
242/*****************************************************************************
243 * General Setup
244 ****************************************************************************/
245static struct orion5x_mpp_mode ts409_mpp_modes[] __initdata = {
246	{  0, MPP_UNUSED },
247	{  1, MPP_UNUSED },
248	{  2, MPP_UNUSED },
249	{  3, MPP_UNUSED },
250	{  4, MPP_GPIO },		/* HDD 1 status */
251	{  5, MPP_GPIO },		/* HDD 2 status */
252	{  6, MPP_GPIO },		/* HDD 3 status */
253	{  7, MPP_GPIO },		/* HDD 4 status */
254	{  8, MPP_UNUSED },
255	{  9, MPP_UNUSED },
256	{ 10, MPP_GPIO },		/* RTC int */
257	{ 11, MPP_UNUSED },
258	{ 12, MPP_UNUSED },
259	{ 13, MPP_UNUSED },
260	{ 14, MPP_GPIO },		/* SW_RST */
261	{ 15, MPP_GPIO },		/* USB copy button */
262	{ 16, MPP_UART },		/* UART1 RXD */
263	{ 17, MPP_UART },		/* UART1 TXD */
264	{ 18, MPP_UNUSED },
265	{ 19, MPP_UNUSED },
266	{ -1 },
267};
268
269static void __init qnap_ts409_init(void)
270{
271	/*
272	 * Setup basic Orion functions. Need to be called early.
273	 */
274	orion5x_init();
275
276	orion5x_mpp_conf(ts409_mpp_modes);
277
278	/*
279	 * Configure peripherals.
280	 */
281	orion5x_setup_dev_boot_win(QNAP_TS409_NOR_BOOT_BASE,
282				   QNAP_TS409_NOR_BOOT_SIZE);
283	platform_device_register(&qnap_ts409_nor_flash);
284
285	orion5x_ehci0_init();
286	qnap_tsx09_find_mac_addr(QNAP_TS409_NOR_BOOT_BASE +
287				 qnap_ts409_partitions[5].offset,
288				 qnap_ts409_partitions[5].size);
289	orion5x_eth_init(&qnap_tsx09_eth_data);
290	orion5x_i2c_init();
291	orion5x_uart0_init();
292	orion5x_uart1_init();
293
294	platform_device_register(&qnap_ts409_button_device);
295
296	/* Get RTC IRQ and register the chip */
297	if (gpio_request(TS409_RTC_GPIO, "rtc") == 0) {
298		if (gpio_direction_input(TS409_RTC_GPIO) == 0)
299			qnap_ts409_i2c_rtc.irq = gpio_to_irq(TS409_RTC_GPIO);
300		else
301			gpio_free(TS409_RTC_GPIO);
302	}
303	if (qnap_ts409_i2c_rtc.irq == 0)
304		pr_warning("qnap_ts409_init: failed to get RTC IRQ\n");
305	i2c_register_board_info(0, &qnap_ts409_i2c_rtc, 1);
306	platform_device_register(&ts409_leds);
307
308	/* register tsx09 specific power-off method */
309	pm_power_off = qnap_tsx09_power_off;
310}
311
312MACHINE_START(TS409, "QNAP TS-409")
313	/* Maintainer:  Sylver Bruneau <sylver.bruneau@gmail.com> */
314	.phys_io	= ORION5X_REGS_PHYS_BASE,
315	.io_pg_offst	= ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
316	.boot_params	= 0x00000100,
317	.init_machine	= qnap_ts409_init,
318	.map_io		= orion5x_map_io,
319	.init_irq	= orion5x_init_irq,
320	.timer		= &orion5x_timer,
321	.fixup		= tag_fixup_mem32,
322MACHINE_END
323