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 ***************************************************************************/
65 static 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
95 static 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
101 static 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
107 static 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
qnap_ts409_pci_map_irq(const struct pci_dev * dev,u8 slot,u8 pin)119 static 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
137 static 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
qnap_ts409_pci_init(void)144 static 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
152 subsys_initcall(qnap_ts409_pci_init);
153
154 /*****************************************************************************
155 * RTC S35390A on I2C bus
156 ****************************************************************************/
157
158 #define TS409_RTC_GPIO 10
159
160 static 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
168 static 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
188 static struct gpio_led_platform_data ts409_led_data = {
189 .leds = ts409_led_pins,
190 .num_leds = ARRAY_SIZE(ts409_led_pins),
191 };
192
193 static 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
209 static 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
223 static struct gpio_keys_platform_data qnap_ts409_button_data = {
224 .buttons = qnap_ts409_buttons,
225 .nbuttons = ARRAY_SIZE(qnap_ts409_buttons),
226 };
227
228 static 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 ****************************************************************************/
240 static 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
qnap_ts409_init(void)264 static 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
309 MACHINE_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,
320 MACHINE_END
321