1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * QNAP TS-409 Board Setup
4 *
5 * Maintainer: Sylver Bruneau <sylver.bruneau@gmail.com>
6 *
7 * Copyright (C) 2008  Sylver Bruneau <sylver.bruneau@gmail.com>
8 * Copyright (C) 2008  Martin Michlmayr <tbm@cyrius.com>
9 */
10#include <linux/gpio.h>
11#include <linux/kernel.h>
12#include <linux/init.h>
13#include <linux/platform_device.h>
14#include <linux/pci.h>
15#include <linux/irq.h>
16#include <linux/mtd/physmap.h>
17#include <linux/mv643xx_eth.h>
18#include <linux/leds.h>
19#include <linux/gpio_keys.h>
20#include <linux/input.h>
21#include <linux/i2c.h>
22#include <linux/serial_reg.h>
23#include <asm/mach-types.h>
24#include <asm/mach/arch.h>
25#include <asm/mach/pci.h>
26#include "common.h"
27#include "mpp.h"
28#include "orion5x.h"
29#include "tsx09-common.h"
30
31/*****************************************************************************
32 * QNAP TS-409 Info
33 ****************************************************************************/
34
35/*
36 * QNAP TS-409 hardware :
37 * - Marvell 88F5281-D0
38 * - Marvell 88SX7042 SATA controller (PCIe)
39 * - Marvell 88E1118 Gigabit Ethernet PHY
40 * - RTC S35390A (@0x30) on I2C bus
41 * - 8MB NOR flash
42 * - 256MB of DDR-2 RAM
43 */
44
45/*
46 * 8MB NOR flash Device bus boot chip select
47 */
48
49#define QNAP_TS409_NOR_BOOT_BASE 0xff800000
50#define QNAP_TS409_NOR_BOOT_SIZE SZ_8M
51
52/****************************************************************************
53 * 8MiB NOR flash. The struct mtd_partition is not in the same order as the
54 *     partitions on the device because we want to keep compatibility with
55 *     existing QNAP firmware.
56 *
57 * Layout as used by QNAP:
58 *  [2] 0x00000000-0x00200000 : "Kernel"
59 *  [3] 0x00200000-0x00600000 : "RootFS1"
60 *  [4] 0x00600000-0x00700000 : "RootFS2"
61 *  [6] 0x00700000-0x00760000 : "NAS Config" (read-only)
62 *  [5] 0x00760000-0x00780000 : "U-Boot Config"
63 *  [1] 0x00780000-0x00800000 : "U-Boot" (read-only)
64 ***************************************************************************/
65static struct mtd_partition qnap_ts409_partitions[] = {
66	{
67		.name		= "U-Boot",
68		.size		= 0x00080000,
69		.offset		= 0x00780000,
70		.mask_flags	= MTD_WRITEABLE,
71	}, {
72		.name		= "Kernel",
73		.size		= 0x00200000,
74		.offset		= 0,
75	}, {
76		.name		= "RootFS1",
77		.size		= 0x00400000,
78		.offset		= 0x00200000,
79	}, {
80		.name		= "RootFS2",
81		.size		= 0x00100000,
82		.offset		= 0x00600000,
83	}, {
84		.name		= "U-Boot Config",
85		.size		= 0x00020000,
86		.offset		= 0x00760000,
87	}, {
88		.name		= "NAS Config",
89		.size		= 0x00060000,
90		.offset		= 0x00700000,
91		.mask_flags	= MTD_WRITEABLE,
92	},
93};
94
95static struct physmap_flash_data qnap_ts409_nor_flash_data = {
96	.width		= 1,
97	.parts		= qnap_ts409_partitions,
98	.nr_parts	= ARRAY_SIZE(qnap_ts409_partitions)
99};
100
101static struct resource qnap_ts409_nor_flash_resource = {
102	.flags	= IORESOURCE_MEM,
103	.start	= QNAP_TS409_NOR_BOOT_BASE,
104	.end	= QNAP_TS409_NOR_BOOT_BASE + QNAP_TS409_NOR_BOOT_SIZE - 1,
105};
106
107static struct platform_device qnap_ts409_nor_flash = {
108	.name		= "physmap-flash",
109	.id		= 0,
110	.dev		= { .platform_data = &qnap_ts409_nor_flash_data, },
111	.num_resources	= 1,
112	.resource	= &qnap_ts409_nor_flash_resource,
113};
114
115/*****************************************************************************
116 * PCI
117 ****************************************************************************/
118
119static int __init qnap_ts409_pci_map_irq(const struct pci_dev *dev, u8 slot,
120	u8 pin)
121{
122	int irq;
123
124	/*
125	 * Check for devices with hard-wired IRQs.
126	 */
127	irq = orion5x_pci_map_irq(dev, slot, pin);
128	if (irq != -1)
129		return irq;
130
131	/*
132	 * PCI isn't used on the TS-409
133	 */
134	return -1;
135}
136
137static struct hw_pci qnap_ts409_pci __initdata = {
138	.nr_controllers	= 2,
139	.setup		= orion5x_pci_sys_setup,
140	.scan		= orion5x_pci_sys_scan_bus,
141	.map_irq	= qnap_ts409_pci_map_irq,
142};
143
144static int __init qnap_ts409_pci_init(void)
145{
146	if (machine_is_ts409())
147		pci_common_init(&qnap_ts409_pci);
148
149	return 0;
150}
151
152subsys_initcall(qnap_ts409_pci_init);
153
154/*****************************************************************************
155 * RTC S35390A on I2C bus
156 ****************************************************************************/
157
158#define TS409_RTC_GPIO	10
159
160static struct i2c_board_info __initdata qnap_ts409_i2c_rtc = {
161	I2C_BOARD_INFO("s35390a", 0x30),
162};
163
164/*****************************************************************************
165 * LEDs attached to GPIO
166 ****************************************************************************/
167
168static struct gpio_led ts409_led_pins[] = {
169	{
170		.name		= "ts409:red:sata1",
171		.gpio		= 4,
172		.active_low	= 1,
173	}, {
174		.name		= "ts409:red:sata2",
175		.gpio		= 5,
176		.active_low	= 1,
177	}, {
178		.name		= "ts409:red:sata3",
179		.gpio		= 6,
180		.active_low	= 1,
181	}, {
182		.name		= "ts409:red:sata4",
183		.gpio		= 7,
184		.active_low	= 1,
185	},
186};
187
188static struct gpio_led_platform_data ts409_led_data = {
189	.leds		= ts409_led_pins,
190	.num_leds	= ARRAY_SIZE(ts409_led_pins),
191};
192
193static struct platform_device ts409_leds = {
194	.name	= "leds-gpio",
195	.id	= -1,
196	.dev	= {
197		.platform_data	= &ts409_led_data,
198	},
199};
200
201/****************************************************************************
202 * GPIO Attached Keys
203 *     Power button is attached to the PIC microcontroller
204 ****************************************************************************/
205
206#define QNAP_TS409_GPIO_KEY_RESET	14
207#define QNAP_TS409_GPIO_KEY_MEDIA	15
208
209static struct gpio_keys_button qnap_ts409_buttons[] = {
210	{
211		.code		= KEY_RESTART,
212		.gpio		= QNAP_TS409_GPIO_KEY_RESET,
213		.desc		= "Reset Button",
214		.active_low	= 1,
215	}, {
216		.code		= KEY_COPY,
217		.gpio		= QNAP_TS409_GPIO_KEY_MEDIA,
218		.desc		= "USB Copy Button",
219		.active_low	= 1,
220	},
221};
222
223static struct gpio_keys_platform_data qnap_ts409_button_data = {
224	.buttons	= qnap_ts409_buttons,
225	.nbuttons	= ARRAY_SIZE(qnap_ts409_buttons),
226};
227
228static struct platform_device qnap_ts409_button_device = {
229	.name		= "gpio-keys",
230	.id		= -1,
231	.num_resources	= 0,
232	.dev		= {
233		.platform_data	= &qnap_ts409_button_data,
234	},
235};
236
237/*****************************************************************************
238 * General Setup
239 ****************************************************************************/
240static unsigned int ts409_mpp_modes[] __initdata = {
241	MPP0_UNUSED,
242	MPP1_UNUSED,
243	MPP2_UNUSED,
244	MPP3_UNUSED,
245	MPP4_GPIO,		/* HDD 1 status */
246	MPP5_GPIO,		/* HDD 2 status */
247	MPP6_GPIO,		/* HDD 3 status */
248	MPP7_GPIO,		/* HDD 4 status */
249	MPP8_UNUSED,
250	MPP9_UNUSED,
251	MPP10_GPIO,		/* RTC int */
252	MPP11_UNUSED,
253	MPP12_UNUSED,
254	MPP13_UNUSED,
255	MPP14_GPIO,		/* SW_RST */
256	MPP15_GPIO,		/* USB copy button */
257	MPP16_UART,		/* UART1 RXD */
258	MPP17_UART,		/* UART1 TXD */
259	MPP18_UNUSED,
260	MPP19_UNUSED,
261	0,
262};
263
264static void __init qnap_ts409_init(void)
265{
266	/*
267	 * Setup basic Orion functions. Need to be called early.
268	 */
269	orion5x_init();
270
271	orion5x_mpp_conf(ts409_mpp_modes);
272
273	/*
274	 * Configure peripherals.
275	 */
276	mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
277				    ORION_MBUS_DEVBUS_BOOT_ATTR,
278				    QNAP_TS409_NOR_BOOT_BASE,
279				    QNAP_TS409_NOR_BOOT_SIZE);
280	platform_device_register(&qnap_ts409_nor_flash);
281
282	orion5x_ehci0_init();
283	qnap_tsx09_find_mac_addr(QNAP_TS409_NOR_BOOT_BASE +
284				 qnap_ts409_partitions[5].offset,
285				 qnap_ts409_partitions[5].size);
286	orion5x_eth_init(&qnap_tsx09_eth_data);
287	orion5x_i2c_init();
288	orion5x_uart0_init();
289	orion5x_uart1_init();
290
291	platform_device_register(&qnap_ts409_button_device);
292
293	/* Get RTC IRQ and register the chip */
294	if (gpio_request(TS409_RTC_GPIO, "rtc") == 0) {
295		if (gpio_direction_input(TS409_RTC_GPIO) == 0)
296			qnap_ts409_i2c_rtc.irq = gpio_to_irq(TS409_RTC_GPIO);
297		else
298			gpio_free(TS409_RTC_GPIO);
299	}
300	if (qnap_ts409_i2c_rtc.irq == 0)
301		pr_warn("qnap_ts409_init: failed to get RTC IRQ\n");
302	i2c_register_board_info(0, &qnap_ts409_i2c_rtc, 1);
303	platform_device_register(&ts409_leds);
304
305	/* register tsx09 specific power-off method */
306	pm_power_off = qnap_tsx09_power_off;
307}
308
309MACHINE_START(TS409, "QNAP TS-409")
310	/* Maintainer:  Sylver Bruneau <sylver.bruneau@gmail.com> */
311	.atag_offset	= 0x100,
312	.nr_irqs	= ORION5X_NR_IRQS,
313	.init_machine	= qnap_ts409_init,
314	.map_io		= orion5x_map_io,
315	.init_early	= orion5x_init_early,
316	.init_irq	= orion5x_init_irq,
317	.init_time	= orion5x_timer_init,
318	.fixup		= tag_fixup_mem32,
319	.restart	= orion5x_restart,
320MACHINE_END
321