1 /*
2 * QNAP TS-109/TS-209 Board Setup
3 *
4 * Maintainer: Byron Bradley <byron.bbradley@gmail.com>
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11 #include <linux/gpio.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/mtd/rawnand.h>
19 #include <linux/mv643xx_eth.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 <linux/ata_platform.h>
25 #include <asm/mach-types.h>
26 #include <asm/mach/arch.h>
27 #include <asm/mach/pci.h>
28 #include "common.h"
29 #include "mpp.h"
30 #include "orion5x.h"
31 #include "tsx09-common.h"
32
33 #define QNAP_TS209_NOR_BOOT_BASE 0xf4000000
34 #define QNAP_TS209_NOR_BOOT_SIZE SZ_8M
35
36 /****************************************************************************
37 * 8MiB NOR flash. The struct mtd_partition is not in the same order as the
38 * partitions on the device because we want to keep compatibility with
39 * existing QNAP firmware.
40 *
41 * Layout as used by QNAP:
42 * [2] 0x00000000-0x00200000 : "Kernel"
43 * [3] 0x00200000-0x00600000 : "RootFS1"
44 * [4] 0x00600000-0x00700000 : "RootFS2"
45 * [6] 0x00700000-0x00760000 : "NAS Config" (read-only)
46 * [5] 0x00760000-0x00780000 : "U-Boot Config"
47 * [1] 0x00780000-0x00800000 : "U-Boot" (read-only)
48 ***************************************************************************/
49 static struct mtd_partition qnap_ts209_partitions[] = {
50 {
51 .name = "U-Boot",
52 .size = 0x00080000,
53 .offset = 0x00780000,
54 .mask_flags = MTD_WRITEABLE,
55 }, {
56 .name = "Kernel",
57 .size = 0x00200000,
58 .offset = 0,
59 }, {
60 .name = "RootFS1",
61 .size = 0x00400000,
62 .offset = 0x00200000,
63 }, {
64 .name = "RootFS2",
65 .size = 0x00100000,
66 .offset = 0x00600000,
67 }, {
68 .name = "U-Boot Config",
69 .size = 0x00020000,
70 .offset = 0x00760000,
71 }, {
72 .name = "NAS Config",
73 .size = 0x00060000,
74 .offset = 0x00700000,
75 .mask_flags = MTD_WRITEABLE,
76 },
77 };
78
79 static struct physmap_flash_data qnap_ts209_nor_flash_data = {
80 .width = 1,
81 .parts = qnap_ts209_partitions,
82 .nr_parts = ARRAY_SIZE(qnap_ts209_partitions)
83 };
84
85 static struct resource qnap_ts209_nor_flash_resource = {
86 .flags = IORESOURCE_MEM,
87 .start = QNAP_TS209_NOR_BOOT_BASE,
88 .end = QNAP_TS209_NOR_BOOT_BASE + QNAP_TS209_NOR_BOOT_SIZE - 1,
89 };
90
91 static struct platform_device qnap_ts209_nor_flash = {
92 .name = "physmap-flash",
93 .id = 0,
94 .dev = {
95 .platform_data = &qnap_ts209_nor_flash_data,
96 },
97 .resource = &qnap_ts209_nor_flash_resource,
98 .num_resources = 1,
99 };
100
101 /*****************************************************************************
102 * PCI
103 ****************************************************************************/
104
105 #define QNAP_TS209_PCI_SLOT0_OFFS 7
106 #define QNAP_TS209_PCI_SLOT0_IRQ_PIN 6
107 #define QNAP_TS209_PCI_SLOT1_IRQ_PIN 7
108
qnap_ts209_pci_preinit(void)109 static void __init qnap_ts209_pci_preinit(void)
110 {
111 int pin;
112
113 /*
114 * Configure PCI GPIO IRQ pins
115 */
116 pin = QNAP_TS209_PCI_SLOT0_IRQ_PIN;
117 if (gpio_request(pin, "PCI Int1") == 0) {
118 if (gpio_direction_input(pin) == 0) {
119 irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW);
120 } else {
121 printk(KERN_ERR "qnap_ts209_pci_preinit failed to "
122 "set_irq_type pin %d\n", pin);
123 gpio_free(pin);
124 }
125 } else {
126 printk(KERN_ERR "qnap_ts209_pci_preinit failed to gpio_request "
127 "%d\n", pin);
128 }
129
130 pin = QNAP_TS209_PCI_SLOT1_IRQ_PIN;
131 if (gpio_request(pin, "PCI Int2") == 0) {
132 if (gpio_direction_input(pin) == 0) {
133 irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW);
134 } else {
135 printk(KERN_ERR "qnap_ts209_pci_preinit failed "
136 "to set_irq_type pin %d\n", pin);
137 gpio_free(pin);
138 }
139 } else {
140 printk(KERN_ERR "qnap_ts209_pci_preinit failed to gpio_request "
141 "%d\n", pin);
142 }
143 }
144
qnap_ts209_pci_map_irq(const struct pci_dev * dev,u8 slot,u8 pin)145 static int __init qnap_ts209_pci_map_irq(const struct pci_dev *dev, u8 slot,
146 u8 pin)
147 {
148 int irq;
149
150 /*
151 * Check for devices with hard-wired IRQs.
152 */
153 irq = orion5x_pci_map_irq(dev, slot, pin);
154 if (irq != -1)
155 return irq;
156
157 /*
158 * PCI IRQs are connected via GPIOs.
159 */
160 switch (slot - QNAP_TS209_PCI_SLOT0_OFFS) {
161 case 0:
162 return gpio_to_irq(QNAP_TS209_PCI_SLOT0_IRQ_PIN);
163 case 1:
164 return gpio_to_irq(QNAP_TS209_PCI_SLOT1_IRQ_PIN);
165 default:
166 return -1;
167 }
168 }
169
170 static struct hw_pci qnap_ts209_pci __initdata = {
171 .nr_controllers = 2,
172 .preinit = qnap_ts209_pci_preinit,
173 .setup = orion5x_pci_sys_setup,
174 .scan = orion5x_pci_sys_scan_bus,
175 .map_irq = qnap_ts209_pci_map_irq,
176 };
177
qnap_ts209_pci_init(void)178 static int __init qnap_ts209_pci_init(void)
179 {
180 if (machine_is_ts209())
181 pci_common_init(&qnap_ts209_pci);
182
183 return 0;
184 }
185
186 subsys_initcall(qnap_ts209_pci_init);
187
188 /*****************************************************************************
189 * RTC S35390A on I2C bus
190 ****************************************************************************/
191
192 #define TS209_RTC_GPIO 3
193
194 static struct i2c_board_info __initdata qnap_ts209_i2c_rtc = {
195 I2C_BOARD_INFO("s35390a", 0x30),
196 .irq = 0,
197 };
198
199 /****************************************************************************
200 * GPIO Attached Keys
201 * Power button is attached to the PIC microcontroller
202 ****************************************************************************/
203
204 #define QNAP_TS209_GPIO_KEY_MEDIA 1
205 #define QNAP_TS209_GPIO_KEY_RESET 2
206
207 static struct gpio_keys_button qnap_ts209_buttons[] = {
208 {
209 .code = KEY_COPY,
210 .gpio = QNAP_TS209_GPIO_KEY_MEDIA,
211 .desc = "USB Copy Button",
212 .active_low = 1,
213 }, {
214 .code = KEY_RESTART,
215 .gpio = QNAP_TS209_GPIO_KEY_RESET,
216 .desc = "Reset Button",
217 .active_low = 1,
218 },
219 };
220
221 static struct gpio_keys_platform_data qnap_ts209_button_data = {
222 .buttons = qnap_ts209_buttons,
223 .nbuttons = ARRAY_SIZE(qnap_ts209_buttons),
224 };
225
226 static struct platform_device qnap_ts209_button_device = {
227 .name = "gpio-keys",
228 .id = -1,
229 .num_resources = 0,
230 .dev = {
231 .platform_data = &qnap_ts209_button_data,
232 },
233 };
234
235 /*****************************************************************************
236 * SATA
237 ****************************************************************************/
238 static struct mv_sata_platform_data qnap_ts209_sata_data = {
239 .n_ports = 2,
240 };
241
242 /*****************************************************************************
243
244 * General Setup
245 ****************************************************************************/
246 static unsigned int ts209_mpp_modes[] __initdata = {
247 MPP0_UNUSED,
248 MPP1_GPIO, /* USB copy button */
249 MPP2_GPIO, /* Load defaults button */
250 MPP3_GPIO, /* GPIO RTC */
251 MPP4_UNUSED,
252 MPP5_UNUSED,
253 MPP6_GPIO, /* PCI Int A */
254 MPP7_GPIO, /* PCI Int B */
255 MPP8_UNUSED,
256 MPP9_UNUSED,
257 MPP10_UNUSED,
258 MPP11_UNUSED,
259 MPP12_SATA_LED, /* SATA 0 presence */
260 MPP13_SATA_LED, /* SATA 1 presence */
261 MPP14_SATA_LED, /* SATA 0 active */
262 MPP15_SATA_LED, /* SATA 1 active */
263 MPP16_UART, /* UART1 RXD */
264 MPP17_UART, /* UART1 TXD */
265 MPP18_GPIO, /* SW_RST */
266 MPP19_UNUSED,
267 0,
268 };
269
qnap_ts209_init(void)270 static void __init qnap_ts209_init(void)
271 {
272 /*
273 * Setup basic Orion functions. Need to be called early.
274 */
275 orion5x_init();
276
277 orion5x_mpp_conf(ts209_mpp_modes);
278
279 /*
280 * MPP[20] PCI clock 0
281 * MPP[21] PCI clock 1
282 * MPP[22] USB 0 over current
283 * MPP[23-25] Reserved
284 */
285
286 /*
287 * Configure peripherals.
288 */
289 mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
290 ORION_MBUS_DEVBUS_BOOT_ATTR,
291 QNAP_TS209_NOR_BOOT_BASE,
292 QNAP_TS209_NOR_BOOT_SIZE);
293 platform_device_register(&qnap_ts209_nor_flash);
294
295 orion5x_ehci0_init();
296 orion5x_ehci1_init();
297 qnap_tsx09_find_mac_addr(QNAP_TS209_NOR_BOOT_BASE +
298 qnap_ts209_partitions[5].offset,
299 qnap_ts209_partitions[5].size);
300 orion5x_eth_init(&qnap_tsx09_eth_data);
301 orion5x_i2c_init();
302 orion5x_sata_init(&qnap_ts209_sata_data);
303 orion5x_uart0_init();
304 orion5x_uart1_init();
305 orion5x_xor_init();
306
307 platform_device_register(&qnap_ts209_button_device);
308
309 /* Get RTC IRQ and register the chip */
310 if (gpio_request(TS209_RTC_GPIO, "rtc") == 0) {
311 if (gpio_direction_input(TS209_RTC_GPIO) == 0)
312 qnap_ts209_i2c_rtc.irq = gpio_to_irq(TS209_RTC_GPIO);
313 else
314 gpio_free(TS209_RTC_GPIO);
315 }
316 if (qnap_ts209_i2c_rtc.irq == 0)
317 pr_warn("qnap_ts209_init: failed to get RTC IRQ\n");
318 i2c_register_board_info(0, &qnap_ts209_i2c_rtc, 1);
319
320 /* register tsx09 specific power-off method */
321 pm_power_off = qnap_tsx09_power_off;
322 }
323
324 MACHINE_START(TS209, "QNAP TS-109/TS-209")
325 /* Maintainer: Byron Bradley <byron.bbradley@gmail.com> */
326 .atag_offset = 0x100,
327 .nr_irqs = ORION5X_NR_IRQS,
328 .init_machine = qnap_ts209_init,
329 .map_io = orion5x_map_io,
330 .init_early = orion5x_init_early,
331 .init_irq = orion5x_init_irq,
332 .init_time = orion5x_timer_init,
333 .fixup = tag_fixup_mem32,
334 .restart = orion5x_restart,
335 MACHINE_END
336
