Merge branch 'lpc32xx/dts' of git://git.antcom.de/linux-2.6 into next/dt
[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / arm / mach-omap2 / board-omap4panda.c
1 /*
2  * Board support file for OMAP4430 based PandaBoard.
3  *
4  * Copyright (C) 2010 Texas Instruments
5  *
6  * Author: David Anders <x0132446@ti.com>
7  *
8  * Based on mach-omap2/board-4430sdp.c
9  *
10  * Author: Santosh Shilimkar <santosh.shilimkar@ti.com>
11  *
12  * Based on mach-omap2/board-3430sdp.c
13  *
14  * This program is free software; you can redistribute it and/or modify
15  * it under the terms of the GNU General Public License version 2 as
16  * published by the Free Software Foundation.
17  */
18
19 #include <linux/kernel.h>
20 #include <linux/init.h>
21 #include <linux/platform_device.h>
22 #include <linux/clk.h>
23 #include <linux/io.h>
24 #include <linux/leds.h>
25 #include <linux/gpio.h>
26 #include <linux/usb/otg.h>
27 #include <linux/i2c/twl.h>
28 #include <linux/mfd/twl6040.h>
29 #include <linux/regulator/machine.h>
30 #include <linux/regulator/fixed.h>
31 #include <linux/ti_wilink_st.h>
32 #include <linux/wl12xx.h>
33 #include <linux/platform_data/omap-abe-twl6040.h>
34
35 #include <asm/hardware/gic.h>
36 #include <asm/mach-types.h>
37 #include <asm/mach/arch.h>
38 #include <asm/mach/map.h>
39 #include <video/omapdss.h>
40
41 #include "common.h"
42 #include <plat/usb.h>
43 #include <plat/mmc.h>
44 #include <video/omap-panel-tfp410.h>
45
46 #include "soc.h"
47 #include "hsmmc.h"
48 #include "control.h"
49 #include "mux.h"
50 #include "common-board-devices.h"
51
52 #define GPIO_HUB_POWER          1
53 #define GPIO_HUB_NRESET         62
54 #define GPIO_WIFI_PMENA         43
55 #define GPIO_WIFI_IRQ           53
56 #define HDMI_GPIO_CT_CP_HPD 60 /* HPD mode enable/disable */
57 #define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */
58 #define HDMI_GPIO_HPD  63 /* Hotplug detect */
59
60 /* wl127x BT, FM, GPS connectivity chip */
61 static struct ti_st_plat_data wilink_platform_data = {
62         .nshutdown_gpio = 46,
63         .dev_name       = "/dev/ttyO1",
64         .flow_cntrl     = 1,
65         .baud_rate      = 3000000,
66         .chip_enable    = NULL,
67         .suspend        = NULL,
68         .resume         = NULL,
69 };
70
71 static struct platform_device wl1271_device = {
72         .name   = "kim",
73         .id     = -1,
74         .dev    = {
75                 .platform_data  = &wilink_platform_data,
76         },
77 };
78
79 static struct gpio_led gpio_leds[] = {
80         {
81                 .name                   = "pandaboard::status1",
82                 .default_trigger        = "heartbeat",
83                 .gpio                   = 7,
84         },
85         {
86                 .name                   = "pandaboard::status2",
87                 .default_trigger        = "mmc0",
88                 .gpio                   = 8,
89         },
90 };
91
92 static struct gpio_led_platform_data gpio_led_info = {
93         .leds           = gpio_leds,
94         .num_leds       = ARRAY_SIZE(gpio_leds),
95 };
96
97 static struct platform_device leds_gpio = {
98         .name   = "leds-gpio",
99         .id     = -1,
100         .dev    = {
101                 .platform_data  = &gpio_led_info,
102         },
103 };
104
105 static struct omap_abe_twl6040_data panda_abe_audio_data = {
106         /* Audio out */
107         .has_hs         = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
108         /* HandsFree through expansion connector */
109         .has_hf         = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
110         /* PandaBoard: FM TX, PandaBoardES: can be connected to audio out */
111         .has_aux        = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
112         /* PandaBoard: FM RX, PandaBoardES: audio in */
113         .has_afm        = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
114         /* No jack detection. */
115         .jack_detection = 0,
116         /* MCLK input is 38.4MHz */
117         .mclk_freq      = 38400000,
118
119 };
120
121 static struct platform_device panda_abe_audio = {
122         .name           = "omap-abe-twl6040",
123         .id             = -1,
124         .dev = {
125                 .platform_data = &panda_abe_audio_data,
126         },
127 };
128
129 static struct platform_device panda_hdmi_audio_codec = {
130         .name   = "hdmi-audio-codec",
131         .id     = -1,
132 };
133
134 static struct platform_device btwilink_device = {
135         .name   = "btwilink",
136         .id     = -1,
137 };
138
139 static struct platform_device *panda_devices[] __initdata = {
140         &leds_gpio,
141         &wl1271_device,
142         &panda_abe_audio,
143         &panda_hdmi_audio_codec,
144         &btwilink_device,
145 };
146
147 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
148         .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
149         .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
150         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
151         .phy_reset  = false,
152         .reset_gpio_port[0]  = -EINVAL,
153         .reset_gpio_port[1]  = -EINVAL,
154         .reset_gpio_port[2]  = -EINVAL
155 };
156
157 static struct gpio panda_ehci_gpios[] __initdata = {
158         { GPIO_HUB_POWER,       GPIOF_OUT_INIT_LOW,  "hub_power"  },
159         { GPIO_HUB_NRESET,      GPIOF_OUT_INIT_LOW,  "hub_nreset" },
160 };
161
162 static void __init omap4_ehci_init(void)
163 {
164         int ret;
165         struct clk *phy_ref_clk;
166
167         /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
168         phy_ref_clk = clk_get(NULL, "auxclk3_ck");
169         if (IS_ERR(phy_ref_clk)) {
170                 pr_err("Cannot request auxclk3\n");
171                 return;
172         }
173         clk_set_rate(phy_ref_clk, 19200000);
174         clk_enable(phy_ref_clk);
175
176         /* disable the power to the usb hub prior to init and reset phy+hub */
177         ret = gpio_request_array(panda_ehci_gpios,
178                                  ARRAY_SIZE(panda_ehci_gpios));
179         if (ret) {
180                 pr_err("Unable to initialize EHCI power/reset\n");
181                 return;
182         }
183
184         gpio_export(GPIO_HUB_POWER, 0);
185         gpio_export(GPIO_HUB_NRESET, 0);
186         gpio_set_value(GPIO_HUB_NRESET, 1);
187
188         usbhs_init(&usbhs_bdata);
189
190         /* enable power to hub */
191         gpio_set_value(GPIO_HUB_POWER, 1);
192 }
193
194 static struct omap_musb_board_data musb_board_data = {
195         .interface_type         = MUSB_INTERFACE_UTMI,
196         .mode                   = MUSB_OTG,
197         .power                  = 100,
198 };
199
200 static struct omap2_hsmmc_info mmc[] = {
201         {
202                 .mmc            = 1,
203                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
204                 .gpio_wp        = -EINVAL,
205                 .gpio_cd        = -EINVAL,
206         },
207         {
208                 .name           = "wl1271",
209                 .mmc            = 5,
210                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
211                 .gpio_wp        = -EINVAL,
212                 .gpio_cd        = -EINVAL,
213                 .ocr_mask       = MMC_VDD_165_195,
214                 .nonremovable   = true,
215         },
216         {}      /* Terminator */
217 };
218
219 static struct regulator_consumer_supply omap4_panda_vmmc5_supply[] = {
220         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.4"),
221 };
222
223 static struct regulator_init_data panda_vmmc5 = {
224         .constraints = {
225                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
226         },
227         .num_consumer_supplies = ARRAY_SIZE(omap4_panda_vmmc5_supply),
228         .consumer_supplies = omap4_panda_vmmc5_supply,
229 };
230
231 static struct fixed_voltage_config panda_vwlan = {
232         .supply_name = "vwl1271",
233         .microvolts = 1800000, /* 1.8V */
234         .gpio = GPIO_WIFI_PMENA,
235         .startup_delay = 70000, /* 70msec */
236         .enable_high = 1,
237         .enabled_at_boot = 0,
238         .init_data = &panda_vmmc5,
239 };
240
241 static struct platform_device omap_vwlan_device = {
242         .name           = "reg-fixed-voltage",
243         .id             = 1,
244         .dev = {
245                 .platform_data = &panda_vwlan,
246         },
247 };
248
249 static struct wl12xx_platform_data omap_panda_wlan_data  __initdata = {
250         /* PANDA ref clock is 38.4 MHz */
251         .board_ref_clock = 2,
252 };
253
254 static struct twl6040_codec_data twl6040_codec = {
255         /* single-step ramp for headset and handsfree */
256         .hs_left_step   = 0x0f,
257         .hs_right_step  = 0x0f,
258         .hf_left_step   = 0x1d,
259         .hf_right_step  = 0x1d,
260 };
261
262 static struct twl6040_platform_data twl6040_data = {
263         .codec          = &twl6040_codec,
264         .audpwron_gpio  = 127,
265 };
266
267 /* Panda board uses the common PMIC configuration */
268 static struct twl4030_platform_data omap4_panda_twldata;
269
270 /*
271  * Display monitor features are burnt in their EEPROM as EDID data. The EEPROM
272  * is connected as I2C slave device, and can be accessed at address 0x50
273  */
274 static struct i2c_board_info __initdata panda_i2c_eeprom[] = {
275         {
276                 I2C_BOARD_INFO("eeprom", 0x50),
277         },
278 };
279
280 static int __init omap4_panda_i2c_init(void)
281 {
282         omap4_pmic_get_config(&omap4_panda_twldata, TWL_COMMON_PDATA_USB,
283                         TWL_COMMON_REGULATOR_VDAC |
284                         TWL_COMMON_REGULATOR_VAUX2 |
285                         TWL_COMMON_REGULATOR_VAUX3 |
286                         TWL_COMMON_REGULATOR_VMMC |
287                         TWL_COMMON_REGULATOR_VPP |
288                         TWL_COMMON_REGULATOR_VANA |
289                         TWL_COMMON_REGULATOR_VCXIO |
290                         TWL_COMMON_REGULATOR_VUSB |
291                         TWL_COMMON_REGULATOR_CLK32KG |
292                         TWL_COMMON_REGULATOR_V1V8 |
293                         TWL_COMMON_REGULATOR_V2V1);
294         omap4_pmic_init("twl6030", &omap4_panda_twldata,
295                         &twl6040_data, 119 + OMAP44XX_IRQ_GIC_START);
296         omap_register_i2c_bus(2, 400, NULL, 0);
297         /*
298          * Bus 3 is attached to the DVI port where devices like the pico DLP
299          * projector don't work reliably with 400kHz
300          */
301         omap_register_i2c_bus(3, 100, panda_i2c_eeprom,
302                                         ARRAY_SIZE(panda_i2c_eeprom));
303         omap_register_i2c_bus(4, 400, NULL, 0);
304         return 0;
305 }
306
307 #ifdef CONFIG_OMAP_MUX
308 static struct omap_board_mux board_mux[] __initdata = {
309         /* WLAN IRQ - GPIO 53 */
310         OMAP4_MUX(GPMC_NCS3, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
311         /* WLAN POWER ENABLE - GPIO 43 */
312         OMAP4_MUX(GPMC_A19, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
313         /* WLAN SDIO: MMC5 CMD */
314         OMAP4_MUX(SDMMC5_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
315         /* WLAN SDIO: MMC5 CLK */
316         OMAP4_MUX(SDMMC5_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
317         /* WLAN SDIO: MMC5 DAT[0-3] */
318         OMAP4_MUX(SDMMC5_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
319         OMAP4_MUX(SDMMC5_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
320         OMAP4_MUX(SDMMC5_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
321         OMAP4_MUX(SDMMC5_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
322         /* gpio 0 - TFP410 PD */
323         OMAP4_MUX(KPD_COL1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE3),
324         /* dispc2_data23 */
325         OMAP4_MUX(USBB2_ULPITLL_STP, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
326         /* dispc2_data22 */
327         OMAP4_MUX(USBB2_ULPITLL_DIR, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
328         /* dispc2_data21 */
329         OMAP4_MUX(USBB2_ULPITLL_NXT, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
330         /* dispc2_data20 */
331         OMAP4_MUX(USBB2_ULPITLL_DAT0, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
332         /* dispc2_data19 */
333         OMAP4_MUX(USBB2_ULPITLL_DAT1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
334         /* dispc2_data18 */
335         OMAP4_MUX(USBB2_ULPITLL_DAT2, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
336         /* dispc2_data15 */
337         OMAP4_MUX(USBB2_ULPITLL_DAT3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
338         /* dispc2_data14 */
339         OMAP4_MUX(USBB2_ULPITLL_DAT4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
340         /* dispc2_data13 */
341         OMAP4_MUX(USBB2_ULPITLL_DAT5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
342         /* dispc2_data12 */
343         OMAP4_MUX(USBB2_ULPITLL_DAT6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
344         /* dispc2_data11 */
345         OMAP4_MUX(USBB2_ULPITLL_DAT7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
346         /* dispc2_data10 */
347         OMAP4_MUX(DPM_EMU3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
348         /* dispc2_data9 */
349         OMAP4_MUX(DPM_EMU4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
350         /* dispc2_data16 */
351         OMAP4_MUX(DPM_EMU5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
352         /* dispc2_data17 */
353         OMAP4_MUX(DPM_EMU6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
354         /* dispc2_hsync */
355         OMAP4_MUX(DPM_EMU7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
356         /* dispc2_pclk */
357         OMAP4_MUX(DPM_EMU8, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
358         /* dispc2_vsync */
359         OMAP4_MUX(DPM_EMU9, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
360         /* dispc2_de */
361         OMAP4_MUX(DPM_EMU10, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
362         /* dispc2_data8 */
363         OMAP4_MUX(DPM_EMU11, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
364         /* dispc2_data7 */
365         OMAP4_MUX(DPM_EMU12, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
366         /* dispc2_data6 */
367         OMAP4_MUX(DPM_EMU13, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
368         /* dispc2_data5 */
369         OMAP4_MUX(DPM_EMU14, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
370         /* dispc2_data4 */
371         OMAP4_MUX(DPM_EMU15, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
372         /* dispc2_data3 */
373         OMAP4_MUX(DPM_EMU16, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
374         /* dispc2_data2 */
375         OMAP4_MUX(DPM_EMU17, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
376         /* dispc2_data1 */
377         OMAP4_MUX(DPM_EMU18, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
378         /* dispc2_data0 */
379         OMAP4_MUX(DPM_EMU19, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
380         /* NIRQ2 for twl6040 */
381         OMAP4_MUX(SYS_NIRQ2, OMAP_MUX_MODE0 |
382                   OMAP_PIN_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
383         { .reg_offset = OMAP_MUX_TERMINATOR },
384 };
385
386 #else
387 #define board_mux       NULL
388 #endif
389
390 /* Display DVI */
391 #define PANDA_DVI_TFP410_POWER_DOWN_GPIO        0
392
393 /* Using generic display panel */
394 static struct tfp410_platform_data omap4_dvi_panel = {
395         .i2c_bus_num            = 3,
396         .power_down_gpio        = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
397 };
398
399 static struct omap_dss_device omap4_panda_dvi_device = {
400         .type                   = OMAP_DISPLAY_TYPE_DPI,
401         .name                   = "dvi",
402         .driver_name            = "tfp410",
403         .data                   = &omap4_dvi_panel,
404         .phy.dpi.data_lines     = 24,
405         .reset_gpio             = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
406         .channel                = OMAP_DSS_CHANNEL_LCD2,
407 };
408
409 static struct gpio panda_hdmi_gpios[] = {
410         { HDMI_GPIO_CT_CP_HPD, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ct_cp_hpd" },
411         { HDMI_GPIO_LS_OE,      GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ls_oe" },
412         { HDMI_GPIO_HPD, GPIOF_DIR_IN, "hdmi_gpio_hpd" },
413 };
414
415 static int omap4_panda_panel_enable_hdmi(struct omap_dss_device *dssdev)
416 {
417         int status;
418
419         status = gpio_request_array(panda_hdmi_gpios,
420                                     ARRAY_SIZE(panda_hdmi_gpios));
421         if (status)
422                 pr_err("Cannot request HDMI GPIOs\n");
423
424         return status;
425 }
426
427 static void omap4_panda_panel_disable_hdmi(struct omap_dss_device *dssdev)
428 {
429         gpio_free_array(panda_hdmi_gpios, ARRAY_SIZE(panda_hdmi_gpios));
430 }
431
432 static struct omap_dss_hdmi_data omap4_panda_hdmi_data = {
433         .hpd_gpio = HDMI_GPIO_HPD,
434 };
435
436 static struct omap_dss_device  omap4_panda_hdmi_device = {
437         .name = "hdmi",
438         .driver_name = "hdmi_panel",
439         .type = OMAP_DISPLAY_TYPE_HDMI,
440         .platform_enable = omap4_panda_panel_enable_hdmi,
441         .platform_disable = omap4_panda_panel_disable_hdmi,
442         .channel = OMAP_DSS_CHANNEL_DIGIT,
443         .data = &omap4_panda_hdmi_data,
444 };
445
446 static struct omap_dss_device *omap4_panda_dss_devices[] = {
447         &omap4_panda_dvi_device,
448         &omap4_panda_hdmi_device,
449 };
450
451 static struct omap_dss_board_info omap4_panda_dss_data = {
452         .num_devices    = ARRAY_SIZE(omap4_panda_dss_devices),
453         .devices        = omap4_panda_dss_devices,
454         .default_device = &omap4_panda_dvi_device,
455 };
456
457 static void __init omap4_panda_display_init(void)
458 {
459
460         omap_display_init(&omap4_panda_dss_data);
461
462         /*
463          * OMAP4460SDP/Blaze and OMAP4430 ES2.3 SDP/Blaze boards and
464          * later have external pull up on the HDMI I2C lines
465          */
466         if (cpu_is_omap446x() || omap_rev() > OMAP4430_REV_ES2_2)
467                 omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP);
468         else
469                 omap_hdmi_init(0);
470
471         omap_mux_init_gpio(HDMI_GPIO_LS_OE, OMAP_PIN_OUTPUT);
472         omap_mux_init_gpio(HDMI_GPIO_CT_CP_HPD, OMAP_PIN_OUTPUT);
473         omap_mux_init_gpio(HDMI_GPIO_HPD, OMAP_PIN_INPUT_PULLDOWN);
474 }
475
476 static void omap4_panda_init_rev(void)
477 {
478         if (cpu_is_omap443x()) {
479                 /* PandaBoard 4430 */
480                 /* ASoC audio configuration */
481                 panda_abe_audio_data.card_name = "PandaBoard";
482                 panda_abe_audio_data.has_hsmic = 1;
483         } else {
484                 /* PandaBoard ES */
485                 /* ASoC audio configuration */
486                 panda_abe_audio_data.card_name = "PandaBoardES";
487         }
488 }
489
490 static void __init omap4_panda_init(void)
491 {
492         int package = OMAP_PACKAGE_CBS;
493         int ret;
494
495         if (omap_rev() == OMAP4430_REV_ES1_0)
496                 package = OMAP_PACKAGE_CBL;
497         omap4_mux_init(board_mux, NULL, package);
498
499         omap_panda_wlan_data.irq = gpio_to_irq(GPIO_WIFI_IRQ);
500         ret = wl12xx_set_platform_data(&omap_panda_wlan_data);
501         if (ret)
502                 pr_err("error setting wl12xx data: %d\n", ret);
503
504         omap4_panda_init_rev();
505         omap4_panda_i2c_init();
506         platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
507         platform_device_register(&omap_vwlan_device);
508         omap_serial_init();
509         omap_sdrc_init(NULL, NULL);
510         omap4_twl6030_hsmmc_init(mmc);
511         omap4_ehci_init();
512         usb_musb_init(&musb_board_data);
513         omap4_panda_display_init();
514 }
515
516 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
517         /* Maintainer: David Anders - Texas Instruments Inc */
518         .atag_offset    = 0x100,
519         .reserve        = omap_reserve,
520         .map_io         = omap4_map_io,
521         .init_early     = omap4430_init_early,
522         .init_irq       = gic_init_irq,
523         .handle_irq     = gic_handle_irq,
524         .init_machine   = omap4_panda_init,
525         .init_late      = omap4430_init_late,
526         .timer          = &omap4_timer,
527         .restart        = omap_prcm_restart,
528 MACHINE_END