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  • only in /netgear-R7000-V1.0.7.12_1.2.5/components/opensource/linux/linux-2.6.36/arch/arm/mach-orion5x/
1/*
2 * QNAP TS-109/TS-209 Board Setup
3 *
4 * Maintainer: Byron Bradley <byron.bbradley@gmail.com>
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11
12#include <linux/kernel.h>
13#include <linux/init.h>
14#include <linux/platform_device.h>
15#include <linux/pci.h>
16#include <linux/irq.h>
17#include <linux/mtd/physmap.h>
18#include <linux/mtd/nand.h>
19#include <linux/mv643xx_eth.h>
20#include <linux/gpio_keys.h>
21#include <linux/input.h>
22#include <linux/i2c.h>
23#include <linux/serial_reg.h>
24#include <linux/ata_platform.h>
25#include <asm/mach-types.h>
26#include <asm/gpio.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#include "tsx09-common.h"
33
34#define QNAP_TS209_NOR_BOOT_BASE 0xf4000000
35#define QNAP_TS209_NOR_BOOT_SIZE SZ_8M
36
37/****************************************************************************
38 * 8MiB NOR flash. The struct mtd_partition is not in the same order as the
39 *     partitions on the device because we want to keep compatability with
40 *     existing QNAP firmware.
41 *
42 * Layout as used by QNAP:
43 *  [2] 0x00000000-0x00200000 : "Kernel"
44 *  [3] 0x00200000-0x00600000 : "RootFS1"
45 *  [4] 0x00600000-0x00700000 : "RootFS2"
46 *  [6] 0x00700000-0x00760000 : "NAS Config" (read-only)
47 *  [5] 0x00760000-0x00780000 : "U-Boot Config"
48 *  [1] 0x00780000-0x00800000 : "U-Boot" (read-only)
49 ***************************************************************************/
50static struct mtd_partition qnap_ts209_partitions[] = {
51	{
52		.name		= "U-Boot",
53		.size		= 0x00080000,
54		.offset		= 0x00780000,
55		.mask_flags	= MTD_WRITEABLE,
56	}, {
57		.name		= "Kernel",
58		.size		= 0x00200000,
59		.offset		= 0,
60	}, {
61		.name		= "RootFS1",
62		.size		= 0x00400000,
63		.offset		= 0x00200000,
64	}, {
65		.name		= "RootFS2",
66		.size		= 0x00100000,
67		.offset		= 0x00600000,
68	}, {
69		.name		= "U-Boot Config",
70		.size		= 0x00020000,
71		.offset		= 0x00760000,
72	}, {
73		.name		= "NAS Config",
74		.size		= 0x00060000,
75		.offset		= 0x00700000,
76		.mask_flags	= MTD_WRITEABLE,
77	},
78};
79
80static struct physmap_flash_data qnap_ts209_nor_flash_data = {
81	.width		= 1,
82	.parts		= qnap_ts209_partitions,
83	.nr_parts	= ARRAY_SIZE(qnap_ts209_partitions)
84};
85
86static struct resource qnap_ts209_nor_flash_resource = {
87	.flags	= IORESOURCE_MEM,
88	.start	= QNAP_TS209_NOR_BOOT_BASE,
89	.end	= QNAP_TS209_NOR_BOOT_BASE + QNAP_TS209_NOR_BOOT_SIZE - 1,
90};
91
92static struct platform_device qnap_ts209_nor_flash = {
93	.name		= "physmap-flash",
94	.id		= 0,
95	.dev		= {
96		.platform_data	= &qnap_ts209_nor_flash_data,
97	},
98	.resource	= &qnap_ts209_nor_flash_resource,
99	.num_resources	= 1,
100};
101
102/*****************************************************************************
103 * PCI
104 ****************************************************************************/
105
106#define QNAP_TS209_PCI_SLOT0_OFFS	7
107#define QNAP_TS209_PCI_SLOT0_IRQ_PIN	6
108#define QNAP_TS209_PCI_SLOT1_IRQ_PIN	7
109
110void __init qnap_ts209_pci_preinit(void)
111{
112	int pin;
113
114	/*
115	 * Configure PCI GPIO IRQ pins
116	 */
117	pin = QNAP_TS209_PCI_SLOT0_IRQ_PIN;
118	if (gpio_request(pin, "PCI Int1") == 0) {
119		if (gpio_direction_input(pin) == 0) {
120			set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW);
121		} else {
122			printk(KERN_ERR "qnap_ts209_pci_preinit failed to "
123					"set_irq_type pin %d\n", pin);
124			gpio_free(pin);
125		}
126	} else {
127		printk(KERN_ERR "qnap_ts209_pci_preinit failed to gpio_request "
128				"%d\n", pin);
129	}
130
131	pin = QNAP_TS209_PCI_SLOT1_IRQ_PIN;
132	if (gpio_request(pin, "PCI Int2") == 0) {
133		if (gpio_direction_input(pin) == 0) {
134			set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW);
135		} else {
136			printk(KERN_ERR "qnap_ts209_pci_preinit failed "
137					"to set_irq_type pin %d\n", pin);
138			gpio_free(pin);
139		}
140	} else {
141		printk(KERN_ERR "qnap_ts209_pci_preinit failed to gpio_request "
142				"%d\n", pin);
143	}
144}
145
146static int __init qnap_ts209_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
147{
148	int irq;
149
150	/*
151	 * Check for devices with hard-wired IRQs.
152	 */
153	irq = orion5x_pci_map_irq(dev, slot, pin);
154	if (irq != -1)
155		return irq;
156
157	/*
158	 * PCI IRQs are connected via GPIOs.
159	 */
160	switch (slot - QNAP_TS209_PCI_SLOT0_OFFS) {
161	case 0:
162		return gpio_to_irq(QNAP_TS209_PCI_SLOT0_IRQ_PIN);
163	case 1:
164		return gpio_to_irq(QNAP_TS209_PCI_SLOT1_IRQ_PIN);
165	default:
166		return -1;
167	}
168}
169
170static struct hw_pci qnap_ts209_pci __initdata = {
171	.nr_controllers	= 2,
172	.preinit	= qnap_ts209_pci_preinit,
173	.swizzle	= pci_std_swizzle,
174	.setup		= orion5x_pci_sys_setup,
175	.scan		= orion5x_pci_sys_scan_bus,
176	.map_irq	= qnap_ts209_pci_map_irq,
177};
178
179static int __init qnap_ts209_pci_init(void)
180{
181	if (machine_is_ts_x09())
182		pci_common_init(&qnap_ts209_pci);
183
184	return 0;
185}
186
187subsys_initcall(qnap_ts209_pci_init);
188
189/*****************************************************************************
190 * RTC S35390A on I2C bus
191 ****************************************************************************/
192
193#define TS209_RTC_GPIO	3
194
195static struct i2c_board_info __initdata qnap_ts209_i2c_rtc = {
196	I2C_BOARD_INFO("s35390a", 0x30),
197	.irq	= 0,
198};
199
200/****************************************************************************
201 * GPIO Attached Keys
202 *     Power button is attached to the PIC microcontroller
203 ****************************************************************************/
204
205#define QNAP_TS209_GPIO_KEY_MEDIA	1
206#define QNAP_TS209_GPIO_KEY_RESET	2
207
208static struct gpio_keys_button qnap_ts209_buttons[] = {
209	{
210		.code		= KEY_COPY,
211		.gpio		= QNAP_TS209_GPIO_KEY_MEDIA,
212		.desc		= "USB Copy Button",
213		.active_low	= 1,
214	}, {
215		.code		= KEY_RESTART,
216		.gpio		= QNAP_TS209_GPIO_KEY_RESET,
217		.desc		= "Reset Button",
218		.active_low	= 1,
219	},
220};
221
222static struct gpio_keys_platform_data qnap_ts209_button_data = {
223	.buttons	= qnap_ts209_buttons,
224	.nbuttons	= ARRAY_SIZE(qnap_ts209_buttons),
225};
226
227static struct platform_device qnap_ts209_button_device = {
228	.name		= "gpio-keys",
229	.id		= -1,
230	.num_resources	= 0,
231	.dev		= {
232		.platform_data	= &qnap_ts209_button_data,
233	},
234};
235
236/*****************************************************************************
237 * SATA
238 ****************************************************************************/
239static struct mv_sata_platform_data qnap_ts209_sata_data = {
240	.n_ports	= 2,
241};
242
243/*****************************************************************************
244
245 * General Setup
246 ****************************************************************************/
247static struct orion5x_mpp_mode ts209_mpp_modes[] __initdata = {
248	{  0, MPP_UNUSED },
249	{  1, MPP_GPIO },		/* USB copy button */
250	{  2, MPP_GPIO },		/* Load defaults button */
251	{  3, MPP_GPIO },		/* GPIO RTC */
252	{  4, MPP_UNUSED },
253	{  5, MPP_UNUSED },
254	{  6, MPP_GPIO },		/* PCI Int A */
255	{  7, MPP_GPIO },		/* PCI Int B */
256	{  8, MPP_UNUSED },
257	{  9, MPP_UNUSED },
258	{ 10, MPP_UNUSED },
259	{ 11, MPP_UNUSED },
260	{ 12, MPP_SATA_LED },		/* SATA 0 presence */
261	{ 13, MPP_SATA_LED },		/* SATA 1 presence */
262	{ 14, MPP_SATA_LED },		/* SATA 0 active */
263	{ 15, MPP_SATA_LED },		/* SATA 1 active */
264	{ 16, MPP_UART },		/* UART1 RXD */
265	{ 17, MPP_UART },		/* UART1 TXD */
266	{ 18, MPP_GPIO },		/* SW_RST */
267	{ 19, MPP_UNUSED },
268	{ -1 },
269};
270
271static void __init qnap_ts209_init(void)
272{
273	/*
274	 * Setup basic Orion functions. Need to be called early.
275	 */
276	orion5x_init();
277
278	orion5x_mpp_conf(ts209_mpp_modes);
279
280	/*
281	 * MPP[20] PCI clock 0
282	 * MPP[21] PCI clock 1
283	 * MPP[22] USB 0 over current
284	 * MPP[23-25] Reserved
285	 */
286
287	/*
288	 * Configure peripherals.
289	 */
290	orion5x_setup_dev_boot_win(QNAP_TS209_NOR_BOOT_BASE,
291				   QNAP_TS209_NOR_BOOT_SIZE);
292	platform_device_register(&qnap_ts209_nor_flash);
293
294	orion5x_ehci0_init();
295	orion5x_ehci1_init();
296	qnap_tsx09_find_mac_addr(QNAP_TS209_NOR_BOOT_BASE +
297				 qnap_ts209_partitions[5].offset,
298				 qnap_ts209_partitions[5].size);
299	orion5x_eth_init(&qnap_tsx09_eth_data);
300	orion5x_i2c_init();
301	orion5x_sata_init(&qnap_ts209_sata_data);
302	orion5x_uart0_init();
303	orion5x_uart1_init();
304	orion5x_xor_init();
305
306	platform_device_register(&qnap_ts209_button_device);
307
308	/* Get RTC IRQ and register the chip */
309	if (gpio_request(TS209_RTC_GPIO, "rtc") == 0) {
310		if (gpio_direction_input(TS209_RTC_GPIO) == 0)
311			qnap_ts209_i2c_rtc.irq = gpio_to_irq(TS209_RTC_GPIO);
312		else
313			gpio_free(TS209_RTC_GPIO);
314	}
315	if (qnap_ts209_i2c_rtc.irq == 0)
316		pr_warning("qnap_ts209_init: failed to get RTC IRQ\n");
317	i2c_register_board_info(0, &qnap_ts209_i2c_rtc, 1);
318
319	/* register tsx09 specific power-off method */
320	pm_power_off = qnap_tsx09_power_off;
321}
322
323MACHINE_START(TS209, "QNAP TS-109/TS-209")
324	/* Maintainer: Byron Bradley <byron.bbradley@gmail.com> */
325	.phys_io	= ORION5X_REGS_PHYS_BASE,
326	.io_pg_offst	= ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
327	.boot_params	= 0x00000100,
328	.init_machine	= qnap_ts209_init,
329	.map_io		= orion5x_map_io,
330	.init_irq	= orion5x_init_irq,
331	.timer		= &orion5x_timer,
332	.fixup		= tag_fixup_mem32,
333MACHINE_END
334