xref: /linux/arch/arm/mach-orion5x/ts409-setup.c (revision 5ce42b5de461c3154f61a023b191dd6b77ee66c0)
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/gpio/machine.h>
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/mv643xx_eth.h>
19 #include <linux/leds.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 <asm/mach-types.h>
25 #include <asm/mach/arch.h>
26 #include <asm/mach/pci.h>
27 #include "common.h"
28 #include "mpp.h"
29 #include "orion5x.h"
30 #include "tsx09-common.h"
31 
32 /*****************************************************************************
33  * QNAP TS-409 Info
34  ****************************************************************************/
35 
36 /*
37  * QNAP TS-409 hardware :
38  * - Marvell 88F5281-D0
39  * - Marvell 88SX7042 SATA controller (PCIe)
40  * - Marvell 88E1118 Gigabit Ethernet PHY
41  * - RTC S35390A (@0x30) on I2C bus
42  * - 8MB NOR flash
43  * - 256MB of DDR-2 RAM
44  */
45 
46 /*
47  * 8MB NOR flash Device bus boot chip select
48  */
49 
50 #define QNAP_TS409_NOR_BOOT_BASE 0xff800000
51 #define QNAP_TS409_NOR_BOOT_SIZE SZ_8M
52 
53 /****************************************************************************
54  * 8MiB NOR flash. The struct mtd_partition is not in the same order as the
55  *     partitions on the device because we want to keep compatibility with
56  *     existing QNAP firmware.
57  *
58  * Layout as used by QNAP:
59  *  [2] 0x00000000-0x00200000 : "Kernel"
60  *  [3] 0x00200000-0x00600000 : "RootFS1"
61  *  [4] 0x00600000-0x00700000 : "RootFS2"
62  *  [6] 0x00700000-0x00760000 : "NAS Config" (read-only)
63  *  [5] 0x00760000-0x00780000 : "U-Boot Config"
64  *  [1] 0x00780000-0x00800000 : "U-Boot" (read-only)
65  ***************************************************************************/
66 static struct mtd_partition qnap_ts409_partitions[] = {
67 	{
68 		.name		= "U-Boot",
69 		.size		= 0x00080000,
70 		.offset		= 0x00780000,
71 		.mask_flags	= MTD_WRITEABLE,
72 	}, {
73 		.name		= "Kernel",
74 		.size		= 0x00200000,
75 		.offset		= 0,
76 	}, {
77 		.name		= "RootFS1",
78 		.size		= 0x00400000,
79 		.offset		= 0x00200000,
80 	}, {
81 		.name		= "RootFS2",
82 		.size		= 0x00100000,
83 		.offset		= 0x00600000,
84 	}, {
85 		.name		= "U-Boot Config",
86 		.size		= 0x00020000,
87 		.offset		= 0x00760000,
88 	}, {
89 		.name		= "NAS Config",
90 		.size		= 0x00060000,
91 		.offset		= 0x00700000,
92 		.mask_flags	= MTD_WRITEABLE,
93 	},
94 };
95 
96 static struct physmap_flash_data qnap_ts409_nor_flash_data = {
97 	.width		= 1,
98 	.parts		= qnap_ts409_partitions,
99 	.nr_parts	= ARRAY_SIZE(qnap_ts409_partitions)
100 };
101 
102 static struct resource qnap_ts409_nor_flash_resource = {
103 	.flags	= IORESOURCE_MEM,
104 	.start	= QNAP_TS409_NOR_BOOT_BASE,
105 	.end	= QNAP_TS409_NOR_BOOT_BASE + QNAP_TS409_NOR_BOOT_SIZE - 1,
106 };
107 
108 static struct platform_device qnap_ts409_nor_flash = {
109 	.name		= "physmap-flash",
110 	.id		= 0,
111 	.dev		= { .platform_data = &qnap_ts409_nor_flash_data, },
112 	.num_resources	= 1,
113 	.resource	= &qnap_ts409_nor_flash_resource,
114 };
115 
116 /*****************************************************************************
117  * PCI
118  ****************************************************************************/
119 
120 static int __init qnap_ts409_pci_map_irq(const struct pci_dev *dev, u8 slot,
121 	u8 pin)
122 {
123 	int irq;
124 
125 	/*
126 	 * Check for devices with hard-wired IRQs.
127 	 */
128 	irq = orion5x_pci_map_irq(dev, slot, pin);
129 	if (irq != -1)
130 		return irq;
131 
132 	/*
133 	 * PCI isn't used on the TS-409
134 	 */
135 	return -1;
136 }
137 
138 static struct hw_pci qnap_ts409_pci __initdata = {
139 	.nr_controllers	= 2,
140 	.setup		= orion5x_pci_sys_setup,
141 	.scan		= orion5x_pci_sys_scan_bus,
142 	.map_irq	= qnap_ts409_pci_map_irq,
143 };
144 
145 static int __init qnap_ts409_pci_init(void)
146 {
147 	if (machine_is_ts409())
148 		pci_common_init(&qnap_ts409_pci);
149 
150 	return 0;
151 }
152 
153 subsys_initcall(qnap_ts409_pci_init);
154 
155 /*****************************************************************************
156  * RTC S35390A on I2C bus
157  ****************************************************************************/
158 
159 #define TS409_RTC_GPIO	10
160 
161 static struct i2c_board_info __initdata qnap_ts409_i2c_rtc = {
162 	I2C_BOARD_INFO("s35390a", 0x30),
163 };
164 
165 /*****************************************************************************
166  * LEDs attached to GPIO
167  ****************************************************************************/
168 
169 static struct gpio_led ts409_led_pins[] = {
170 	{
171 		.name		= "ts409:red:sata1",
172 	}, {
173 		.name		= "ts409:red:sata2",
174 	}, {
175 		.name		= "ts409:red:sata3",
176 	}, {
177 		.name		= "ts409:red:sata4",
178 	},
179 };
180 
181 static struct gpiod_lookup_table ts409_leds_gpio_table = {
182 	.dev_id = "leds-gpio",
183 	.table = {
184 		GPIO_LOOKUP_IDX("orion_gpio0", 4, NULL,
185 				0, GPIO_ACTIVE_LOW),
186 		GPIO_LOOKUP_IDX("orion_gpio0", 5, NULL,
187 				1, GPIO_ACTIVE_LOW),
188 		GPIO_LOOKUP_IDX("orion_gpio0", 6, NULL,
189 				2, GPIO_ACTIVE_LOW),
190 		GPIO_LOOKUP_IDX("orion_gpio0", 7, NULL,
191 				3, GPIO_ACTIVE_LOW),
192 		{ },
193 	},
194 };
195 
196 static struct gpio_led_platform_data ts409_led_data = {
197 	.leds		= ts409_led_pins,
198 	.num_leds	= ARRAY_SIZE(ts409_led_pins),
199 };
200 
201 static struct platform_device ts409_leds = {
202 	.name	= "leds-gpio",
203 	.id	= -1,
204 	.dev	= {
205 		.platform_data	= &ts409_led_data,
206 	},
207 };
208 
209 /****************************************************************************
210  * GPIO Attached Keys
211  *     Power button is attached to the PIC microcontroller
212  ****************************************************************************/
213 
214 #define QNAP_TS409_GPIO_KEY_RESET	14
215 #define QNAP_TS409_GPIO_KEY_MEDIA	15
216 
217 static struct gpio_keys_button qnap_ts409_buttons[] = {
218 	{
219 		.code		= KEY_RESTART,
220 		.gpio		= QNAP_TS409_GPIO_KEY_RESET,
221 		.desc		= "Reset Button",
222 		.active_low	= 1,
223 	}, {
224 		.code		= KEY_COPY,
225 		.gpio		= QNAP_TS409_GPIO_KEY_MEDIA,
226 		.desc		= "USB Copy Button",
227 		.active_low	= 1,
228 	},
229 };
230 
231 static struct gpio_keys_platform_data qnap_ts409_button_data = {
232 	.buttons	= qnap_ts409_buttons,
233 	.nbuttons	= ARRAY_SIZE(qnap_ts409_buttons),
234 };
235 
236 static struct platform_device qnap_ts409_button_device = {
237 	.name		= "gpio-keys",
238 	.id		= -1,
239 	.num_resources	= 0,
240 	.dev		= {
241 		.platform_data	= &qnap_ts409_button_data,
242 	},
243 };
244 
245 /*****************************************************************************
246  * General Setup
247  ****************************************************************************/
248 static unsigned int ts409_mpp_modes[] __initdata = {
249 	MPP0_UNUSED,
250 	MPP1_UNUSED,
251 	MPP2_UNUSED,
252 	MPP3_UNUSED,
253 	MPP4_GPIO,		/* HDD 1 status */
254 	MPP5_GPIO,		/* HDD 2 status */
255 	MPP6_GPIO,		/* HDD 3 status */
256 	MPP7_GPIO,		/* HDD 4 status */
257 	MPP8_UNUSED,
258 	MPP9_UNUSED,
259 	MPP10_GPIO,		/* RTC int */
260 	MPP11_UNUSED,
261 	MPP12_UNUSED,
262 	MPP13_UNUSED,
263 	MPP14_GPIO,		/* SW_RST */
264 	MPP15_GPIO,		/* USB copy button */
265 	MPP16_UART,		/* UART1 RXD */
266 	MPP17_UART,		/* UART1 TXD */
267 	MPP18_UNUSED,
268 	MPP19_UNUSED,
269 	0,
270 };
271 
272 static void __init qnap_ts409_init(void)
273 {
274 	/*
275 	 * Setup basic Orion functions. Need to be called early.
276 	 */
277 	orion5x_init();
278 
279 	orion5x_mpp_conf(ts409_mpp_modes);
280 
281 	/*
282 	 * Configure peripherals.
283 	 */
284 	mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
285 				    ORION_MBUS_DEVBUS_BOOT_ATTR,
286 				    QNAP_TS409_NOR_BOOT_BASE,
287 				    QNAP_TS409_NOR_BOOT_SIZE);
288 	platform_device_register(&qnap_ts409_nor_flash);
289 
290 	orion5x_ehci0_init();
291 	qnap_tsx09_find_mac_addr(QNAP_TS409_NOR_BOOT_BASE +
292 				 qnap_ts409_partitions[5].offset,
293 				 qnap_ts409_partitions[5].size);
294 	orion5x_eth_init(&qnap_tsx09_eth_data);
295 	orion5x_i2c_init();
296 	orion5x_uart0_init();
297 	orion5x_uart1_init();
298 
299 	platform_device_register(&qnap_ts409_button_device);
300 
301 	/* Get RTC IRQ and register the chip */
302 	if (gpio_request(TS409_RTC_GPIO, "rtc") == 0) {
303 		if (gpio_direction_input(TS409_RTC_GPIO) == 0)
304 			qnap_ts409_i2c_rtc.irq = gpio_to_irq(TS409_RTC_GPIO);
305 		else
306 			gpio_free(TS409_RTC_GPIO);
307 	}
308 	if (qnap_ts409_i2c_rtc.irq == 0)
309 		pr_warn("qnap_ts409_init: failed to get RTC IRQ\n");
310 	i2c_register_board_info(0, &qnap_ts409_i2c_rtc, 1);
311 	gpiod_add_lookup_table(&ts409_leds_gpio_table);
312 	platform_device_register(&ts409_leds);
313 
314 	/* register tsx09 specific power-off method */
315 	register_platform_power_off(qnap_tsx09_power_off);
316 }
317 
318 MACHINE_START(TS409, "QNAP TS-409")
319 	/* Maintainer:  Sylver Bruneau <sylver.bruneau@gmail.com> */
320 	.atag_offset	= 0x100,
321 	.nr_irqs	= ORION5X_NR_IRQS,
322 	.init_machine	= qnap_ts409_init,
323 	.map_io		= orion5x_map_io,
324 	.init_early	= orion5x_init_early,
325 	.init_irq	= orion5x_init_irq,
326 	.init_time	= orion5x_timer_init,
327 	.fixup		= tag_fixup_mem32,
328 	.restart	= orion5x_restart,
329 MACHINE_END
330