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 pm_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
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