1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * QNAP TS-109/TS-209 Board Setup
4 *
5 * Maintainer: Byron Bradley <byron.bbradley@gmail.com>
6 */
7 #include <linux/gpio.h>
8 #include <linux/kernel.h>
9 #include <linux/init.h>
10 #include <linux/platform_device.h>
11 #include <linux/pci.h>
12 #include <linux/irq.h>
13 #include <linux/mtd/physmap.h>
14 #include <linux/mtd/rawnand.h>
15 #include <linux/mv643xx_eth.h>
16 #include <linux/gpio_keys.h>
17 #include <linux/input.h>
18 #include <linux/i2c.h>
19 #include <linux/serial_reg.h>
20 #include <linux/ata_platform.h>
21 #include <asm/mach-types.h>
22 #include <asm/mach/arch.h>
23 #include <asm/mach/pci.h>
24 #include "common.h"
25 #include "mpp.h"
26 #include "orion5x.h"
27 #include "tsx09-common.h"
28
29 #define QNAP_TS209_NOR_BOOT_BASE 0xf4000000
30 #define QNAP_TS209_NOR_BOOT_SIZE SZ_8M
31
32 /****************************************************************************
33 * 8MiB NOR flash. The struct mtd_partition is not in the same order as the
34 * partitions on the device because we want to keep compatibility with
35 * existing QNAP firmware.
36 *
37 * Layout as used by QNAP:
38 * [2] 0x00000000-0x00200000 : "Kernel"
39 * [3] 0x00200000-0x00600000 : "RootFS1"
40 * [4] 0x00600000-0x00700000 : "RootFS2"
41 * [6] 0x00700000-0x00760000 : "NAS Config" (read-only)
42 * [5] 0x00760000-0x00780000 : "U-Boot Config"
43 * [1] 0x00780000-0x00800000 : "U-Boot" (read-only)
44 ***************************************************************************/
45 static struct mtd_partition qnap_ts209_partitions[] = {
46 {
47 .name = "U-Boot",
48 .size = 0x00080000,
49 .offset = 0x00780000,
50 .mask_flags = MTD_WRITEABLE,
51 }, {
52 .name = "Kernel",
53 .size = 0x00200000,
54 .offset = 0,
55 }, {
56 .name = "RootFS1",
57 .size = 0x00400000,
58 .offset = 0x00200000,
59 }, {
60 .name = "RootFS2",
61 .size = 0x00100000,
62 .offset = 0x00600000,
63 }, {
64 .name = "U-Boot Config",
65 .size = 0x00020000,
66 .offset = 0x00760000,
67 }, {
68 .name = "NAS Config",
69 .size = 0x00060000,
70 .offset = 0x00700000,
71 .mask_flags = MTD_WRITEABLE,
72 },
73 };
74
75 static struct physmap_flash_data qnap_ts209_nor_flash_data = {
76 .width = 1,
77 .parts = qnap_ts209_partitions,
78 .nr_parts = ARRAY_SIZE(qnap_ts209_partitions)
79 };
80
81 static struct resource qnap_ts209_nor_flash_resource = {
82 .flags = IORESOURCE_MEM,
83 .start = QNAP_TS209_NOR_BOOT_BASE,
84 .end = QNAP_TS209_NOR_BOOT_BASE + QNAP_TS209_NOR_BOOT_SIZE - 1,
85 };
86
87 static struct platform_device qnap_ts209_nor_flash = {
88 .name = "physmap-flash",
89 .id = 0,
90 .dev = {
91 .platform_data = &qnap_ts209_nor_flash_data,
92 },
93 .resource = &qnap_ts209_nor_flash_resource,
94 .num_resources = 1,
95 };
96
97 /*****************************************************************************
98 * PCI
99 ****************************************************************************/
100
101 #define QNAP_TS209_PCI_SLOT0_OFFS 7
102 #define QNAP_TS209_PCI_SLOT0_IRQ_PIN 6
103 #define QNAP_TS209_PCI_SLOT1_IRQ_PIN 7
104
105 static void __init qnap_ts209_pci_preinit(void)
106 {
107 int pin;
108
109 /*
110 * Configure PCI GPIO IRQ pins
111 */
112 pin = QNAP_TS209_PCI_SLOT0_IRQ_PIN;
113 if (gpio_request(pin, "PCI Int1") == 0) {
114 if (gpio_direction_input(pin) == 0) {
115 irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW);
116 } else {
117 printk(KERN_ERR "qnap_ts209_pci_preinit failed to "
118 "set_irq_type pin %d\n", pin);
119 gpio_free(pin);
120 }
121 } else {
122 printk(KERN_ERR "qnap_ts209_pci_preinit failed to gpio_request "
123 "%d\n", pin);
124 }
125
126 pin = QNAP_TS209_PCI_SLOT1_IRQ_PIN;
127 if (gpio_request(pin, "PCI Int2") == 0) {
128 if (gpio_direction_input(pin) == 0) {
129 irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW);
130 } else {
131 printk(KERN_ERR "qnap_ts209_pci_preinit failed "
132 "to set_irq_type pin %d\n", pin);
133 gpio_free(pin);
134 }
135 } else {
136 printk(KERN_ERR "qnap_ts209_pci_preinit failed to gpio_request "
137 "%d\n", pin);
138 }
139 }
140
141 static int __init qnap_ts209_pci_map_irq(const struct pci_dev *dev, u8 slot,
142 u8 pin)
143 {
144 int irq;
145
146 /*
147 * Check for devices with hard-wired IRQs.
148 */
149 irq = orion5x_pci_map_irq(dev, slot, pin);
150 if (irq != -1)
151 return irq;
152
153 /*
154 * PCI IRQs are connected via GPIOs.
155 */
156 switch (slot - QNAP_TS209_PCI_SLOT0_OFFS) {
157 case 0:
158 return gpio_to_irq(QNAP_TS209_PCI_SLOT0_IRQ_PIN);
159 case 1:
160 return gpio_to_irq(QNAP_TS209_PCI_SLOT1_IRQ_PIN);
161 default:
162 return -1;
163 }
164 }
165
166 static struct hw_pci qnap_ts209_pci __initdata = {
167 .nr_controllers = 2,
168 .preinit = qnap_ts209_pci_preinit,
169 .setup = orion5x_pci_sys_setup,
170 .scan = orion5x_pci_sys_scan_bus,
171 .map_irq = qnap_ts209_pci_map_irq,
172 };
173
174 static int __init qnap_ts209_pci_init(void)
175 {
176 if (machine_is_ts209())
177 pci_common_init(&qnap_ts209_pci);
178
179 return 0;
180 }
181
182 subsys_initcall(qnap_ts209_pci_init);
183
184 /*****************************************************************************
185 * RTC S35390A on I2C bus
186 ****************************************************************************/
187
188 #define TS209_RTC_GPIO 3
189
190 static struct i2c_board_info __initdata qnap_ts209_i2c_rtc = {
191 I2C_BOARD_INFO("s35390a", 0x30),
192 .irq = 0,
193 };
194
195 /****************************************************************************
196 * GPIO Attached Keys
197 * Power button is attached to the PIC microcontroller
198 ****************************************************************************/
199
200 #define QNAP_TS209_GPIO_KEY_MEDIA 1
201 #define QNAP_TS209_GPIO_KEY_RESET 2
202
203 static struct gpio_keys_button qnap_ts209_buttons[] = {
204 {
205 .code = KEY_COPY,
206 .gpio = QNAP_TS209_GPIO_KEY_MEDIA,
207 .desc = "USB Copy Button",
208 .active_low = 1,
209 }, {
210 .code = KEY_RESTART,
211 .gpio = QNAP_TS209_GPIO_KEY_RESET,
212 .desc = "Reset Button",
213 .active_low = 1,
214 },
215 };
216
217 static struct gpio_keys_platform_data qnap_ts209_button_data = {
218 .buttons = qnap_ts209_buttons,
219 .nbuttons = ARRAY_SIZE(qnap_ts209_buttons),
220 };
221
222 static struct platform_device qnap_ts209_button_device = {
223 .name = "gpio-keys",
224 .id = -1,
225 .num_resources = 0,
226 .dev = {
227 .platform_data = &qnap_ts209_button_data,
228 },
229 };
230
231 /*****************************************************************************
232 * SATA
233 ****************************************************************************/
234 static struct mv_sata_platform_data qnap_ts209_sata_data = {
235 .n_ports = 2,
236 };
237
238 /*****************************************************************************
239
240 * General Setup
241 ****************************************************************************/
242 static unsigned int ts209_mpp_modes[] __initdata = {
243 MPP0_UNUSED,
244 MPP1_GPIO, /* USB copy button */
245 MPP2_GPIO, /* Load defaults button */
246 MPP3_GPIO, /* GPIO RTC */
247 MPP4_UNUSED,
248 MPP5_UNUSED,
249 MPP6_GPIO, /* PCI Int A */
250 MPP7_GPIO, /* PCI Int B */
251 MPP8_UNUSED,
252 MPP9_UNUSED,
253 MPP10_UNUSED,
254 MPP11_UNUSED,
255 MPP12_SATA_LED, /* SATA 0 presence */
256 MPP13_SATA_LED, /* SATA 1 presence */
257 MPP14_SATA_LED, /* SATA 0 active */
258 MPP15_SATA_LED, /* SATA 1 active */
259 MPP16_UART, /* UART1 RXD */
260 MPP17_UART, /* UART1 TXD */
261 MPP18_GPIO, /* SW_RST */
262 MPP19_UNUSED,
263 0,
264 };
265
266 static void __init qnap_ts209_init(void)
267 {
268 /*
269 * Setup basic Orion functions. Need to be called early.
270 */
271 orion5x_init();
272
273 orion5x_mpp_conf(ts209_mpp_modes);
274
275 /*
276 * MPP[20] PCI clock 0
277 * MPP[21] PCI clock 1
278 * MPP[22] USB 0 over current
279 * MPP[23-25] Reserved
280 */
281
282 /*
283 * Configure peripherals.
284 */
285 mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
286 ORION_MBUS_DEVBUS_BOOT_ATTR,
287 QNAP_TS209_NOR_BOOT_BASE,
288 QNAP_TS209_NOR_BOOT_SIZE);
289 platform_device_register(&qnap_ts209_nor_flash);
290
291 orion5x_ehci0_init();
292 orion5x_ehci1_init();
293 qnap_tsx09_find_mac_addr(QNAP_TS209_NOR_BOOT_BASE +
294 qnap_ts209_partitions[5].offset,
295 qnap_ts209_partitions[5].size);
296 orion5x_eth_init(&qnap_tsx09_eth_data);
297 orion5x_i2c_init();
298 orion5x_sata_init(&qnap_ts209_sata_data);
299 orion5x_uart0_init();
300 orion5x_uart1_init();
301 orion5x_xor_init();
302
303 platform_device_register(&qnap_ts209_button_device);
304
305 /* Get RTC IRQ and register the chip */
306 if (gpio_request(TS209_RTC_GPIO, "rtc") == 0) {
307 if (gpio_direction_input(TS209_RTC_GPIO) == 0)
308 qnap_ts209_i2c_rtc.irq = gpio_to_irq(TS209_RTC_GPIO);
309 else
310 gpio_free(TS209_RTC_GPIO);
311 }
312 if (qnap_ts209_i2c_rtc.irq == 0)
313 pr_warn("qnap_ts209_init: failed to get RTC IRQ\n");
314 i2c_register_board_info(0, &qnap_ts209_i2c_rtc, 1);
315
316 /* register tsx09 specific power-off method */
317 pm_power_off = qnap_tsx09_power_off;
318 }
319
320 MACHINE_START(TS209, "QNAP TS-109/TS-209")
321 /* Maintainer: Byron Bradley <byron.bbradley@gmail.com> */
322 .atag_offset = 0x100,
323 .nr_irqs = ORION5X_NR_IRQS,
324 .init_machine = qnap_ts209_init,
325 .map_io = orion5x_map_io,
326 .init_early = orion5x_init_early,
327 .init_irq = orion5x_init_irq,
328 .init_time = orion5x_timer_init,
329 .fixup = tag_fixup_mem32,
330 .restart = orion5x_restart,
331 MACHINE_END
332
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