2 * QNAP TS-109/TS-209 Board Setup
4 * Maintainer: Byron Bradley <byron.bbradley@gmail.com>
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.
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>
27 #include <asm/mach/arch.h>
28 #include <asm/mach/pci.h>
29 #include <asm/arch/orion5x.h>
32 #define QNAP_TS209_NOR_BOOT_BASE 0xf4000000
33 #define QNAP_TS209_NOR_BOOT_SIZE SZ_8M
35 /****************************************************************************
36 * 8MiB NOR flash. The struct mtd_partition is not in the same order as the
37 * partitions on the device because we want to keep compatability with
38 * existing QNAP firmware.
40 * Layout as used by QNAP:
41 * [2] 0x00000000-0x00200000 : "Kernel"
42 * [3] 0x00200000-0x00600000 : "RootFS1"
43 * [4] 0x00600000-0x00700000 : "RootFS2"
44 * [6] 0x00700000-0x00760000 : "NAS Config" (read-only)
45 * [5] 0x00760000-0x00780000 : "U-Boot Config"
46 * [1] 0x00780000-0x00800000 : "U-Boot" (read-only)
47 ***************************************************************************/
48 static struct mtd_partition qnap_ts209_partitions
[] = {
53 .mask_flags
= MTD_WRITEABLE
,
67 .name
= "U-Boot Config",
74 .mask_flags
= MTD_WRITEABLE
,
78 static struct physmap_flash_data qnap_ts209_nor_flash_data
= {
80 .parts
= qnap_ts209_partitions
,
81 .nr_parts
= ARRAY_SIZE(qnap_ts209_partitions
)
84 static struct resource qnap_ts209_nor_flash_resource
= {
85 .flags
= IORESOURCE_MEM
,
86 .start
= QNAP_TS209_NOR_BOOT_BASE
,
87 .end
= QNAP_TS209_NOR_BOOT_BASE
+ QNAP_TS209_NOR_BOOT_SIZE
- 1,
90 static struct platform_device qnap_ts209_nor_flash
= {
91 .name
= "physmap-flash",
93 .dev
= { .platform_data
= &qnap_ts209_nor_flash_data
, },
94 .resource
= &qnap_ts209_nor_flash_resource
,
98 /*****************************************************************************
100 ****************************************************************************/
102 #define QNAP_TS209_PCI_SLOT0_OFFS 7
103 #define QNAP_TS209_PCI_SLOT0_IRQ_PIN 6
104 #define QNAP_TS209_PCI_SLOT1_IRQ_PIN 7
106 void __init
qnap_ts209_pci_preinit(void)
111 * Configure PCI GPIO IRQ pins
113 pin
= QNAP_TS209_PCI_SLOT0_IRQ_PIN
;
114 if (gpio_request(pin
, "PCI Int1") == 0) {
115 if (gpio_direction_input(pin
) == 0) {
116 set_irq_type(gpio_to_irq(pin
), IRQT_LOW
);
118 printk(KERN_ERR
"qnap_ts209_pci_preinit failed to "
119 "set_irq_type pin %d\n", pin
);
123 printk(KERN_ERR
"qnap_ts209_pci_preinit failed to gpio_request "
127 pin
= QNAP_TS209_PCI_SLOT1_IRQ_PIN
;
128 if (gpio_request(pin
, "PCI Int2") == 0) {
129 if (gpio_direction_input(pin
) == 0) {
130 set_irq_type(gpio_to_irq(pin
), IRQT_LOW
);
132 printk(KERN_ERR
"qnap_ts209_pci_preinit failed "
133 "to set_irq_type pin %d\n", pin
);
137 printk(KERN_ERR
"qnap_ts209_pci_preinit failed to gpio_request "
142 static int __init
qnap_ts209_pci_map_irq(struct pci_dev
*dev
, u8 slot
, u8 pin
)
145 * PCIE IRQ is connected internally (not GPIO)
147 if (dev
->bus
->number
== orion5x_pcie_local_bus_nr())
148 return IRQ_ORION5X_PCIE0_INT
;
151 * PCI IRQs are connected via GPIOs
153 switch (slot
- QNAP_TS209_PCI_SLOT0_OFFS
) {
155 return gpio_to_irq(QNAP_TS209_PCI_SLOT0_IRQ_PIN
);
157 return gpio_to_irq(QNAP_TS209_PCI_SLOT1_IRQ_PIN
);
163 static struct hw_pci qnap_ts209_pci __initdata
= {
165 .preinit
= qnap_ts209_pci_preinit
,
166 .swizzle
= pci_std_swizzle
,
167 .setup
= orion5x_pci_sys_setup
,
168 .scan
= orion5x_pci_sys_scan_bus
,
169 .map_irq
= qnap_ts209_pci_map_irq
,
172 static int __init
qnap_ts209_pci_init(void)
174 if (machine_is_ts_x09())
175 pci_common_init(&qnap_ts209_pci
);
180 subsys_initcall(qnap_ts209_pci_init
);
182 /*****************************************************************************
184 ****************************************************************************/
186 static struct mv643xx_eth_platform_data qnap_ts209_eth_data
= {
191 static int __init
parse_hex_nibble(char n
)
193 if (n
>= '0' && n
<= '9')
196 if (n
>= 'A' && n
<= 'F')
199 if (n
>= 'a' && n
<= 'f')
205 static int __init
parse_hex_byte(const char *b
)
210 hi
= parse_hex_nibble(b
[0]);
211 lo
= parse_hex_nibble(b
[1]);
213 if (hi
< 0 || lo
< 0)
216 return (hi
<< 4) | lo
;
219 static int __init
check_mac_addr(const char *addr_str
)
224 for (i
= 0; i
< 6; i
++) {
228 * Enforce "xx:xx:xx:xx:xx:xx\n" format.
230 if (addr_str
[(i
* 3) + 2] != ((i
< 5) ? ':' : '\n'))
233 byte
= parse_hex_byte(addr_str
+ (i
* 3));
239 printk(KERN_INFO
"ts209: found ethernet mac address ");
240 for (i
= 0; i
< 6; i
++)
241 printk("%.2x%s", addr
[i
], (i
< 5) ? ":" : ".\n");
243 memcpy(qnap_ts209_eth_data
.mac_addr
, addr
, 6);
249 * The 'NAS Config' flash partition has an ext2 filesystem which
250 * contains a file that has the ethernet MAC address in plain text
251 * (format "xx:xx:xx:xx:xx:xx\n".)
253 static void __init
ts209_find_mac_addr(void)
257 for (addr
= 0x00700000; addr
< 0x00760000; addr
+= 1024) {
261 nor_page
= ioremap(QNAP_TS209_NOR_BOOT_BASE
+ addr
, 1024);
262 if (nor_page
!= NULL
) {
263 ret
= check_mac_addr(nor_page
);
272 /*****************************************************************************
273 * RTC S35390A on I2C bus
274 ****************************************************************************/
276 #define TS209_RTC_GPIO 3
278 static struct i2c_board_info __initdata qnap_ts209_i2c_rtc
= {
279 .driver_name
= "rtc-s35390a",
284 /****************************************************************************
286 * Power button is attached to the PIC microcontroller
287 ****************************************************************************/
289 #define QNAP_TS209_GPIO_KEY_MEDIA 1
290 #define QNAP_TS209_GPIO_KEY_RESET 2
292 static struct gpio_keys_button qnap_ts209_buttons
[] = {
295 .gpio
= QNAP_TS209_GPIO_KEY_MEDIA
,
296 .desc
= "USB Copy Button",
301 .gpio
= QNAP_TS209_GPIO_KEY_RESET
,
302 .desc
= "Reset Button",
307 static struct gpio_keys_platform_data qnap_ts209_button_data
= {
308 .buttons
= qnap_ts209_buttons
,
309 .nbuttons
= ARRAY_SIZE(qnap_ts209_buttons
),
312 static struct platform_device qnap_ts209_button_device
= {
316 .dev
= { .platform_data
= &qnap_ts209_button_data
, },
319 /*****************************************************************************
321 ****************************************************************************/
322 static struct mv_sata_platform_data qnap_ts209_sata_data
= {
326 /*****************************************************************************
329 ****************************************************************************/
331 static struct platform_device
*qnap_ts209_devices
[] __initdata
= {
332 &qnap_ts209_nor_flash
,
333 &qnap_ts209_button_device
,
337 * QNAP TS-[12]09 specific power off method via UART1-attached PIC
340 #define UART1_REG(x) (UART1_VIRT_BASE + ((UART_##x) << 2))
342 static void qnap_ts209_power_off(void)
344 /* 19200 baud divisor */
345 const unsigned divisor
= ((ORION5X_TCLK
+ (8 * 19200)) / (16 * 19200));
347 pr_info("%s: triggering power-off...\n", __func__
);
349 /* hijack uart1 and reset into sane state (19200,8n1) */
350 orion5x_write(UART1_REG(LCR
), 0x83);
351 orion5x_write(UART1_REG(DLL
), divisor
& 0xff);
352 orion5x_write(UART1_REG(DLM
), (divisor
>> 8) & 0xff);
353 orion5x_write(UART1_REG(LCR
), 0x03);
354 orion5x_write(UART1_REG(IER
), 0x00);
355 orion5x_write(UART1_REG(FCR
), 0x00);
356 orion5x_write(UART1_REG(MCR
), 0x00);
358 /* send the power-off command 'A' to PIC */
359 orion5x_write(UART1_REG(TX
), 'A');
362 static void __init
qnap_ts209_init(void)
365 * Setup basic Orion functions. Need to be called early.
370 * Setup flash mapping
372 orion5x_setup_dev_boot_win(QNAP_TS209_NOR_BOOT_BASE
,
373 QNAP_TS209_NOR_BOOT_SIZE
);
376 * Open a special address decode windows for the PCIE WA.
378 orion5x_setup_pcie_wa_win(ORION5X_PCIE_WA_PHYS_BASE
,
379 ORION5X_PCIE_WA_SIZE
);
382 * Setup Multiplexing Pins --
384 * MPP[1] USB copy button (0 active)
385 * MPP[2] Load defaults button (0 active)
391 * MPP[12] SATA 0 presence
392 * MPP[13] SATA 1 presence
393 * MPP[14] SATA 0 active
394 * MPP[15] SATA 1 active
397 * MPP[18] SW_RST (0 active)
399 * MPP[20] PCI clock 0
400 * MPP[21] PCI clock 1
401 * MPP[22] USB 0 over current
402 * MPP[23-25] Reserved
404 orion5x_write(MPP_0_7_CTRL
, 0x3);
405 orion5x_write(MPP_8_15_CTRL
, 0x55550000);
406 orion5x_write(MPP_16_19_CTRL
, 0x5500);
407 orion5x_gpio_set_valid_pins(0x3cc0fff);
409 /* register ts209 specific power-off method */
410 pm_power_off
= qnap_ts209_power_off
;
412 platform_add_devices(qnap_ts209_devices
,
413 ARRAY_SIZE(qnap_ts209_devices
));
415 /* Get RTC IRQ and register the chip */
416 if (gpio_request(TS209_RTC_GPIO
, "rtc") == 0) {
417 if (gpio_direction_input(TS209_RTC_GPIO
) == 0)
418 qnap_ts209_i2c_rtc
.irq
= gpio_to_irq(TS209_RTC_GPIO
);
420 gpio_free(TS209_RTC_GPIO
);
422 if (qnap_ts209_i2c_rtc
.irq
== 0)
423 pr_warning("qnap_ts209_init: failed to get RTC IRQ\n");
424 i2c_register_board_info(0, &qnap_ts209_i2c_rtc
, 1);
426 ts209_find_mac_addr();
427 orion5x_eth_init(&qnap_ts209_eth_data
);
429 orion5x_sata_init(&qnap_ts209_sata_data
);
432 MACHINE_START(TS209
, "QNAP TS-109/TS-209")
433 /* Maintainer: Byron Bradley <byron.bbradley@gmail.com> */
434 .phys_io
= ORION5X_REGS_PHYS_BASE
,
435 .io_pg_offst
= ((ORION5X_REGS_VIRT_BASE
) >> 18) & 0xFFFC,
436 .boot_params
= 0x00000100,
437 .init_machine
= qnap_ts209_init
,
438 .map_io
= orion5x_map_io
,
439 .init_irq
= orion5x_init_irq
,
440 .timer
= &orion5x_timer
,
441 .fixup
= tag_fixup_mem32
,