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ts209-setup.c
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1 /*
2  * QNAP TS-109/TS-209 Board Setup
3  *
4  * Maintainer: Byron Bradley <[email protected]>
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/nand.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 <mach/orion5x.h>
29 #include "common.h"
30 #include "mpp.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 
109 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 
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 
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 
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  orion5x_setup_dev_boot_win(QNAP_TS209_NOR_BOOT_BASE,
290  QNAP_TS209_NOR_BOOT_SIZE);
291  platform_device_register(&qnap_ts209_nor_flash);
292 
293  orion5x_ehci0_init();
294  orion5x_ehci1_init();
295  qnap_tsx09_find_mac_addr(QNAP_TS209_NOR_BOOT_BASE +
296  qnap_ts209_partitions[5].offset,
297  qnap_ts209_partitions[5].size);
298  orion5x_eth_init(&qnap_tsx09_eth_data);
299  orion5x_i2c_init();
300  orion5x_sata_init(&qnap_ts209_sata_data);
301  orion5x_uart0_init();
302  orion5x_uart1_init();
303  orion5x_xor_init();
304 
305  platform_device_register(&qnap_ts209_button_device);
306 
307  /* Get RTC IRQ and register the chip */
308  if (gpio_request(TS209_RTC_GPIO, "rtc") == 0) {
309  if (gpio_direction_input(TS209_RTC_GPIO) == 0)
310  qnap_ts209_i2c_rtc.irq = gpio_to_irq(TS209_RTC_GPIO);
311  else
312  gpio_free(TS209_RTC_GPIO);
313  }
314  if (qnap_ts209_i2c_rtc.irq == 0)
315  pr_warning("qnap_ts209_init: failed to get RTC IRQ\n");
316  i2c_register_board_info(0, &qnap_ts209_i2c_rtc, 1);
317 
318  /* register tsx09 specific power-off method */
319  pm_power_off = qnap_tsx09_power_off;
320 }
321 
322 MACHINE_START(TS209, "QNAP TS-109/TS-209")
323  /* Maintainer: Byron Bradley <[email protected]> */
324  .atag_offset = 0x100,
325  .init_machine = qnap_ts209_init,
326  .map_io = orion5x_map_io,
327  .init_early = orion5x_init_early,
328  .init_irq = orion5x_init_irq,
329  .timer = &orion5x_timer,
330  .fixup = tag_fixup_mem32,
331  .restart = orion5x_restart,
332 MACHINE_END
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