2 * File: arch/blackfin/mach-bf537/boards/stamp.c
3 * Based on: arch/blackfin/mach-bf533/boards/ezkit.c
4 * Author: Aidan Williams <aidan@nicta.com.au>
10 * Copyright 2005 National ICT Australia (NICTA)
11 * Copyright 2004-2006 Analog Devices Inc.
13 * Bugs: Enter bugs at http://blackfin.uclinux.org/
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License as published by
17 * the Free Software Foundation; either version 2 of the License, or
18 * (at your option) any later version.
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
25 * You should have received a copy of the GNU General Public License
26 * along with this program; if not, see the file COPYING, or write
27 * to the Free Software Foundation, Inc.,
28 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
31 #include <linux/device.h>
32 #include <linux/platform_device.h>
33 #include <linux/mtd/mtd.h>
34 #include <linux/mtd/partitions.h>
35 #include <linux/mtd/physmap.h>
36 #include <linux/spi/spi.h>
37 #include <linux/spi/flash.h>
38 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
39 #include <linux/usb/isp1362.h>
41 #include <linux/ata_platform.h>
42 #include <linux/irq.h>
43 #include <linux/interrupt.h>
44 #include <linux/usb/sl811.h>
46 #include <asm/bfin5xx_spi.h>
47 #include <asm/reboot.h>
48 #include <asm/portmux.h>
49 #include <linux/spi/ad7877.h>
52 * Name the Board for the /proc/cpuinfo
54 const char bfin_board_name[] = "ADDS-BF537-STAMP";
57 * Driver needs to know address, irq and flag pin.
60 #define ISP1761_BASE 0x203C0000
61 #define ISP1761_IRQ IRQ_PF7
63 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
64 static struct resource bfin_isp1761_resources[] = {
66 .name = "isp1761-regs",
67 .start = ISP1761_BASE + 0x00000000,
68 .end = ISP1761_BASE + 0x000fffff,
69 .flags = IORESOURCE_MEM,
74 .flags = IORESOURCE_IRQ,
78 static struct platform_device bfin_isp1761_device = {
81 .num_resources = ARRAY_SIZE(bfin_isp1761_resources),
82 .resource = bfin_isp1761_resources,
85 static struct platform_device *bfin_isp1761_devices[] = {
89 int __init bfin_isp1761_init(void)
91 unsigned int num_devices = ARRAY_SIZE(bfin_isp1761_devices);
93 printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
94 set_irq_type(ISP1761_IRQ, IRQF_TRIGGER_FALLING);
96 return platform_add_devices(bfin_isp1761_devices, num_devices);
99 void __exit bfin_isp1761_exit(void)
101 platform_device_unregister(&bfin_isp1761_device);
104 arch_initcall(bfin_isp1761_init);
107 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
108 #include <linux/input.h>
109 #include <linux/gpio_keys.h>
111 static struct gpio_keys_button bfin_gpio_keys_table[] = {
112 {BTN_0, GPIO_PF2, 1, "gpio-keys: BTN0"},
113 {BTN_1, GPIO_PF3, 1, "gpio-keys: BTN1"},
114 {BTN_2, GPIO_PF4, 1, "gpio-keys: BTN2"},
115 {BTN_3, GPIO_PF5, 1, "gpio-keys: BTN3"},
118 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
119 .buttons = bfin_gpio_keys_table,
120 .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
123 static struct platform_device bfin_device_gpiokeys = {
126 .platform_data = &bfin_gpio_keys_data,
131 #if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
132 static struct resource bfin_pcmcia_cf_resources[] = {
134 .start = 0x20310000, /* IO PORT */
136 .flags = IORESOURCE_MEM,
138 .start = 0x20311000, /* Attribute Memory */
140 .flags = IORESOURCE_MEM,
144 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
146 .start = 6, /* Card Detect PF6 */
148 .flags = IORESOURCE_IRQ,
152 static struct platform_device bfin_pcmcia_cf_device = {
153 .name = "bfin_cf_pcmcia",
155 .num_resources = ARRAY_SIZE(bfin_pcmcia_cf_resources),
156 .resource = bfin_pcmcia_cf_resources,
160 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
161 static struct platform_device rtc_device = {
167 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
168 static struct resource smc91x_resources[] = {
170 .name = "smc91x-regs",
172 .end = 0x20300300 + 16,
173 .flags = IORESOURCE_MEM,
178 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
181 static struct platform_device smc91x_device = {
184 .num_resources = ARRAY_SIZE(smc91x_resources),
185 .resource = smc91x_resources,
189 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
190 static struct resource dm9000_resources[] = {
193 .end = 0x203FB800 + 8,
194 .flags = IORESOURCE_MEM,
199 .flags = (IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE),
203 static struct platform_device dm9000_device = {
206 .num_resources = ARRAY_SIZE(dm9000_resources),
207 .resource = dm9000_resources,
211 #if defined(CONFIG_AX88180) || defined(CONFIG_AX88180_MODULE)
212 static struct resource ax88180_resources[] = {
215 .end = 0x20300000 + 0x8000,
216 .flags = IORESOURCE_MEM,
221 .flags = (IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL),
225 static struct platform_device ax88180_device = {
228 .num_resources = ARRAY_SIZE(ax88180_resources),
229 .resource = ax88180_resources,
233 #if defined(CONFIG_USB_SL811_HCD) || defined(CONFIG_USB_SL811_HCD_MODULE)
234 static struct resource sl811_hcd_resources[] = {
238 .flags = IORESOURCE_MEM,
242 .flags = IORESOURCE_MEM,
244 .start = CONFIG_USB_SL811_BFIN_IRQ,
245 .end = CONFIG_USB_SL811_BFIN_IRQ,
246 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
250 #if defined(CONFIG_USB_SL811_BFIN_USE_VBUS)
251 void sl811_port_power(struct device *dev, int is_on)
253 gpio_request(CONFIG_USB_SL811_BFIN_GPIO_VBUS, "usb:SL811_VBUS");
254 gpio_direction_output(CONFIG_USB_SL811_BFIN_GPIO_VBUS, is_on);
258 static struct sl811_platform_data sl811_priv = {
260 .power = 250, /* == 500mA */
261 #if defined(CONFIG_USB_SL811_BFIN_USE_VBUS)
262 .port_power = &sl811_port_power,
266 static struct platform_device sl811_hcd_device = {
270 .platform_data = &sl811_priv,
272 .num_resources = ARRAY_SIZE(sl811_hcd_resources),
273 .resource = sl811_hcd_resources,
277 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
278 static struct resource isp1362_hcd_resources[] = {
282 .flags = IORESOURCE_MEM,
286 .flags = IORESOURCE_MEM,
288 .start = CONFIG_USB_ISP1362_BFIN_GPIO_IRQ,
289 .end = CONFIG_USB_ISP1362_BFIN_GPIO_IRQ,
290 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
294 static struct isp1362_platform_data isp1362_priv = {
299 .int_edge_triggered = 0,
300 .remote_wakeup_connected = 0,
301 .no_power_switching = 1,
302 .power_switching_mode = 0,
305 static struct platform_device isp1362_hcd_device = {
306 .name = "isp1362-hcd",
309 .platform_data = &isp1362_priv,
311 .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
312 .resource = isp1362_hcd_resources,
316 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
317 static struct platform_device bfin_mac_device = {
322 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
323 static struct resource net2272_bfin_resources[] = {
326 .end = 0x20300000 + 0x100,
327 .flags = IORESOURCE_MEM,
331 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
335 static struct platform_device net2272_bfin_device = {
338 .num_resources = ARRAY_SIZE(net2272_bfin_resources),
339 .resource = net2272_bfin_resources,
343 static struct mtd_partition stamp_partitions[] = {
345 .name = "Bootloader",
351 .offset = MTDPART_OFS_APPEND,
354 .size = 0x400000 - 0x20000 - 0xE0000 - 0x10000,
355 .offset = MTDPART_OFS_APPEND,
357 .name = "MAC Address",
358 .size = MTDPART_SIZ_FULL,
360 .mask_flags = MTD_WRITEABLE,
364 static struct physmap_flash_data stamp_flash_data = {
366 .parts = stamp_partitions,
367 .nr_parts = ARRAY_SIZE(stamp_partitions),
370 static struct resource stamp_flash_resource = {
373 .flags = IORESOURCE_MEM,
376 static struct platform_device stamp_flash_device = {
377 .name = "physmap-flash",
380 .platform_data = &stamp_flash_data,
383 .resource = &stamp_flash_resource,
386 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
387 /* all SPI peripherals info goes here */
389 #if defined(CONFIG_MTD_M25P80) \
390 || defined(CONFIG_MTD_M25P80_MODULE)
391 static struct mtd_partition bfin_spi_flash_partitions[] = {
393 .name = "bootloader",
396 .mask_flags = MTD_CAP_ROM
402 .name = "file system",
404 .offset = 0x00100000,
408 static struct flash_platform_data bfin_spi_flash_data = {
410 .parts = bfin_spi_flash_partitions,
411 .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
415 /* SPI flash chip (m25p64) */
416 static struct bfin5xx_spi_chip spi_flash_chip_info = {
417 .enable_dma = 0, /* use dma transfer with this chip*/
422 #if defined(CONFIG_SPI_ADC_BF533) \
423 || defined(CONFIG_SPI_ADC_BF533_MODULE)
425 static struct bfin5xx_spi_chip spi_adc_chip_info = {
426 .enable_dma = 1, /* use dma transfer with this chip*/
431 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
432 || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
433 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
439 #if defined(CONFIG_AD9960) || defined(CONFIG_AD9960_MODULE)
440 static struct bfin5xx_spi_chip ad9960_spi_chip_info = {
446 #if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
447 static struct bfin5xx_spi_chip spi_mmc_chip_info = {
453 #if defined(CONFIG_PBX)
454 static struct bfin5xx_spi_chip spi_si3xxx_chip_info = {
455 .ctl_reg = 0x4, /* send zero */
458 .cs_change_per_word = 1,
462 #if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
463 static struct bfin5xx_spi_chip ad5304_chip_info = {
469 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
470 static struct bfin5xx_spi_chip spi_ad7877_chip_info = {
475 static const struct ad7877_platform_data bfin_ad7877_ts_info = {
477 .vref_delay_usecs = 50, /* internal, no capacitor */
480 .pressure_max = 1000,
482 .stopacq_polarity = 1,
483 .first_conversion_delay = 3,
484 .acquisition_time = 1,
486 .pen_down_acc_interval = 1,
490 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
491 static struct bfin5xx_spi_chip spidev_chip_info = {
497 static struct spi_board_info bfin_spi_board_info[] __initdata = {
498 #if defined(CONFIG_MTD_M25P80) \
499 || defined(CONFIG_MTD_M25P80_MODULE)
501 /* the modalias must be the same as spi device driver name */
502 .modalias = "m25p80", /* Name of spi_driver for this device */
503 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
504 .bus_num = 0, /* Framework bus number */
505 .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
506 .platform_data = &bfin_spi_flash_data,
507 .controller_data = &spi_flash_chip_info,
512 #if defined(CONFIG_SPI_ADC_BF533) \
513 || defined(CONFIG_SPI_ADC_BF533_MODULE)
515 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
516 .max_speed_hz = 6250000, /* max spi clock (SCK) speed in HZ */
517 .bus_num = 0, /* Framework bus number */
518 .chip_select = 1, /* Framework chip select. */
519 .platform_data = NULL, /* No spi_driver specific config */
520 .controller_data = &spi_adc_chip_info,
524 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
525 || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
527 .modalias = "ad1836-spi",
528 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
530 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
531 .controller_data = &ad1836_spi_chip_info,
534 #if defined(CONFIG_AD9960) || defined(CONFIG_AD9960_MODULE)
536 .modalias = "ad9960-spi",
537 .max_speed_hz = 10000000, /* max spi clock (SCK) speed in HZ */
540 .controller_data = &ad9960_spi_chip_info,
543 #if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
545 .modalias = "spi_mmc_dummy",
546 .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
549 .platform_data = NULL,
550 .controller_data = &spi_mmc_chip_info,
554 .modalias = "spi_mmc",
555 .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
557 .chip_select = CONFIG_SPI_MMC_CS_CHAN,
558 .platform_data = NULL,
559 .controller_data = &spi_mmc_chip_info,
563 #if defined(CONFIG_PBX)
565 .modalias = "fxs-spi",
566 .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
568 .chip_select = 8 - CONFIG_J11_JUMPER,
569 .controller_data = &spi_si3xxx_chip_info,
573 .modalias = "fxo-spi",
574 .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
576 .chip_select = 8 - CONFIG_J19_JUMPER,
577 .controller_data = &spi_si3xxx_chip_info,
581 #if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
583 .modalias = "ad5304_spi",
584 .max_speed_hz = 1250000, /* max spi clock (SCK) speed in HZ */
587 .platform_data = NULL,
588 .controller_data = &ad5304_chip_info,
592 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
594 .modalias = "ad7877",
595 .platform_data = &bfin_ad7877_ts_info,
597 .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
600 .controller_data = &spi_ad7877_chip_info,
603 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
605 .modalias = "spidev",
606 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
609 .controller_data = &spidev_chip_info,
614 /* SPI controller data */
615 static struct bfin5xx_spi_master bfin_spi0_info = {
617 .enable_dma = 1, /* master has the ability to do dma transfer */
618 .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
622 static struct resource bfin_spi0_resource[] = {
624 .start = SPI0_REGBASE,
625 .end = SPI0_REGBASE + 0xFF,
626 .flags = IORESOURCE_MEM,
631 .flags = IORESOURCE_IRQ,
635 static struct platform_device bfin_spi0_device = {
637 .id = 0, /* Bus number */
638 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
639 .resource = bfin_spi0_resource,
641 .platform_data = &bfin_spi0_info, /* Passed to driver */
644 #endif /* spi master and devices */
646 #if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
647 static struct platform_device bfin_fb_device = {
648 .name = "bf537-lq035",
652 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
653 static struct platform_device bfin_fb_adv7393_device = {
654 .name = "bfin-adv7393",
658 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
659 static struct resource bfin_uart_resources[] = {
660 #ifdef CONFIG_SERIAL_BFIN_UART0
664 .flags = IORESOURCE_MEM,
667 #ifdef CONFIG_SERIAL_BFIN_UART1
671 .flags = IORESOURCE_MEM,
676 static struct platform_device bfin_uart_device = {
679 .num_resources = ARRAY_SIZE(bfin_uart_resources),
680 .resource = bfin_uart_resources,
684 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
685 static struct resource bfin_twi0_resource[] = {
687 .start = TWI0_REGBASE,
689 .flags = IORESOURCE_MEM,
694 .flags = IORESOURCE_IRQ,
698 static struct platform_device i2c_bfin_twi_device = {
699 .name = "i2c-bfin-twi",
701 .num_resources = ARRAY_SIZE(bfin_twi0_resource),
702 .resource = bfin_twi0_resource,
706 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
707 static struct platform_device bfin_sport0_uart_device = {
708 .name = "bfin-sport-uart",
712 static struct platform_device bfin_sport1_uart_device = {
713 .name = "bfin-sport-uart",
718 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
721 static struct pata_platform_info bfin_pata_platform_data = {
723 .irq_flags = IRQF_TRIGGER_HIGH | IRQF_DISABLED,
726 static struct resource bfin_pata_resources[] = {
730 .flags = IORESOURCE_MEM,
735 .flags = IORESOURCE_MEM,
740 .flags = IORESOURCE_IRQ,
744 static struct platform_device bfin_pata_device = {
745 .name = "pata_platform",
747 .num_resources = ARRAY_SIZE(bfin_pata_resources),
748 .resource = bfin_pata_resources,
750 .platform_data = &bfin_pata_platform_data,
755 static struct platform_device *stamp_devices[] __initdata = {
756 #if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
757 &bfin_pcmcia_cf_device,
760 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
764 #if defined(CONFIG_USB_SL811_HCD) || defined(CONFIG_USB_SL811_HCD_MODULE)
768 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
772 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
776 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
780 #if defined(CONFIG_AX88180) || defined(CONFIG_AX88180_MODULE)
784 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
788 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
789 &net2272_bfin_device,
792 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
796 #if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
800 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
801 &bfin_fb_adv7393_device,
804 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
808 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
809 &i2c_bfin_twi_device,
812 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
813 &bfin_sport0_uart_device,
814 &bfin_sport1_uart_device,
817 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
821 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
822 &bfin_device_gpiokeys,
827 static int __init stamp_init(void)
829 printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
830 platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
831 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
832 spi_register_board_info(bfin_spi_board_info,
833 ARRAY_SIZE(bfin_spi_board_info));
836 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
837 irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;
842 arch_initcall(stamp_init);
844 void native_machine_restart(char *cmd)
846 /* workaround reboot hang when booting from SPI */
847 if ((bfin_read_SYSCR() & 0x7) == 0x3)
848 bfin_gpio_reset_spi0_ssel1();
852 * Currently the MAC address is saved in Flash by U-Boot
854 #define FLASH_MAC 0x203f0000
855 void bfin_get_ether_addr(char *addr)
857 *(u32 *)(&(addr[0])) = bfin_read32(FLASH_MAC);
858 *(u16 *)(&(addr[4])) = bfin_read16(FLASH_MAC + 4);
860 EXPORT_SYMBOL(bfin_get_ether_addr);