blob: 1b8c4f52abbead05a38872718be76c04964ffa23 [file] [log] [blame]
Yann Gautiera3f46382023-06-14 10:40:59 +02001/*
Yann Gautier65af6f62025-02-26 12:01:54 +01002 * Copyright (c) 2023-2025, STMicroelectronics - All Rights Reserved
Yann Gautiera3f46382023-06-14 10:40:59 +02003 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7#ifndef STM32MP2_DEF_H
8#define STM32MP2_DEF_H
9
10#include <common/tbbr/tbbr_img_def.h>
11#ifndef __ASSEMBLER__
12#include <drivers/st/bsec.h>
13#endif
Yann Gautiereb91af52023-06-14 18:05:47 +020014#include <drivers/st/stm32mp25_rcc.h>
Yann Gautier8053f2b2024-05-21 11:46:59 +020015#ifndef __ASSEMBLER__
16#include <drivers/st/stm32mp2_clk.h>
17#endif
18#include <drivers/st/stm32mp2_pwr.h>
Yann Gautiera3f46382023-06-14 10:40:59 +020019#include <dt-bindings/clock/stm32mp25-clks.h>
20#include <dt-bindings/clock/stm32mp25-clksrc.h>
Pascal Paillete521d7d2022-03-16 17:25:57 +010021#include <dt-bindings/gpio/stm32-gpio.h>
Yann Gautiera3f46382023-06-14 10:40:59 +020022#include <dt-bindings/reset/stm32mp25-resets.h>
23
24#ifndef __ASSEMBLER__
25#include <boot_api.h>
Yann Gautier06ae3962023-09-19 18:26:16 +020026#include <stm32mp2_private.h>
Yann Gautiera3f46382023-06-14 10:40:59 +020027#include <stm32mp_common.h>
28#include <stm32mp_dt.h>
29#include <stm32mp_shared_resources.h>
30#endif
31
32/*******************************************************************************
Yann Gautier400dcac2024-06-21 14:49:47 +020033 * CHIP ID
34 ******************************************************************************/
35#define STM32MP2_CHIP_ID U(0x505)
36
37#define STM32MP251A_PART_NB U(0x400B3E6D)
38#define STM32MP251C_PART_NB U(0x000B306D)
39#define STM32MP251D_PART_NB U(0xC00B3E6D)
40#define STM32MP251F_PART_NB U(0x800B306D)
41#define STM32MP253A_PART_NB U(0x400B3E0C)
42#define STM32MP253C_PART_NB U(0x000B300C)
43#define STM32MP253D_PART_NB U(0xC00B3E0C)
44#define STM32MP253F_PART_NB U(0x800B300C)
45#define STM32MP255A_PART_NB U(0x40082E00)
46#define STM32MP255C_PART_NB U(0x00082000)
47#define STM32MP255D_PART_NB U(0xC0082E00)
48#define STM32MP255F_PART_NB U(0x80082000)
49#define STM32MP257A_PART_NB U(0x40002E00)
50#define STM32MP257C_PART_NB U(0x00002000)
51#define STM32MP257D_PART_NB U(0xC0002E00)
52#define STM32MP257F_PART_NB U(0x80002000)
53
54#define STM32MP2_REV_A U(0x08)
55#define STM32MP2_REV_B U(0x10)
56#define STM32MP2_REV_X U(0x12)
57#define STM32MP2_REV_Y U(0x11)
58#define STM32MP2_REV_Z U(0x09)
59
60/*******************************************************************************
61 * PACKAGE ID
62 ******************************************************************************/
63#define STM32MP25_PKG_CUSTOM U(0)
64#define STM32MP25_PKG_AL_VFBGA361 U(1)
65#define STM32MP25_PKG_AK_VFBGA424 U(3)
66#define STM32MP25_PKG_AI_TFBGA436 U(5)
67#define STM32MP25_PKG_UNKNOWN U(7)
68
69/*******************************************************************************
Yann Gautiera3f46382023-06-14 10:40:59 +020070 * STM32MP2 memory map related constants
71 ******************************************************************************/
72#define STM32MP_SYSRAM_BASE U(0x0E000000)
73#define STM32MP_SYSRAM_SIZE U(0x00040000)
Maxime Méréb151f682024-09-13 17:57:58 +020074#define SRAM1_BASE U(0x0E040000)
75#define SRAM1_SIZE_FOR_TFA U(0x00010000)
Maxime Méré98768bf2024-09-19 09:54:28 +020076#define RETRAM_BASE U(0x0E080000)
77#define RETRAM_SIZE U(0x00020000)
78
Yann Gautiera3f46382023-06-14 10:40:59 +020079/* DDR configuration */
80#define STM32MP_DDR_BASE U(0x80000000)
81#define STM32MP_DDR_MAX_SIZE UL(0x100000000) /* Max 4GB */
82
83/* DDR power initializations */
84#ifndef __ASSEMBLER__
85enum ddr_type {
86 STM32MP_DDR3,
87 STM32MP_DDR4,
88 STM32MP_LPDDR4
89};
90#endif
91
Yann Gautier626ec9d2023-06-14 18:44:41 +020092/* Section used inside TF binaries */
93#define STM32MP_PARAM_LOAD_SIZE U(0x00002400) /* 9 KB for param */
Yann Gautier8053f2b2024-05-21 11:46:59 +020094/* 512 Bytes reserved for header */
Yann Gautier626ec9d2023-06-14 18:44:41 +020095#define STM32MP_HEADER_SIZE U(0x00000200)
Yann Gautier8053f2b2024-05-21 11:46:59 +020096#define STM32MP_HEADER_BASE (STM32MP_SYSRAM_BASE + \
Yann Gautier626ec9d2023-06-14 18:44:41 +020097 STM32MP_PARAM_LOAD_SIZE)
98
99/* round_up(STM32MP_PARAM_LOAD_SIZE + STM32MP_HEADER_SIZE, PAGE_SIZE) */
100#define STM32MP_HEADER_RESERVED_SIZE U(0x3000)
101
Yann Gautier8053f2b2024-05-21 11:46:59 +0200102#define STM32MP_BINARY_BASE (STM32MP_SYSRAM_BASE + \
Yann Gautier626ec9d2023-06-14 18:44:41 +0200103 STM32MP_PARAM_LOAD_SIZE + \
104 STM32MP_HEADER_SIZE)
105
Yann Gautier8053f2b2024-05-21 11:46:59 +0200106#define STM32MP_BINARY_SIZE (STM32MP_SYSRAM_SIZE - \
Yann Gautier626ec9d2023-06-14 18:44:41 +0200107 (STM32MP_PARAM_LOAD_SIZE + \
108 STM32MP_HEADER_SIZE))
109
Yann Gautier8053f2b2024-05-21 11:46:59 +0200110#define STM32MP_BL2_RO_SIZE U(0x00020000) /* 128 KB */
111#define STM32MP_BL2_SIZE U(0x00029000) /* 164 KB for BL2 */
Yann Gautiera3f46382023-06-14 10:40:59 +0200112
Maxime Méréb95a3752024-09-20 17:16:20 +0200113/* Allocate remaining sysram to BL31 Binary only */
Yann Gautier65af6f62025-02-26 12:01:54 +0100114#define STM32MP_BL31_SIZE (STM32MP_SYSRAM_SIZE - \
Yann Gautierece4c252023-06-13 18:45:03 +0200115 STM32MP_BL2_SIZE)
116
Yann Gautier8053f2b2024-05-21 11:46:59 +0200117#define STM32MP_BL2_BASE (STM32MP_SYSRAM_BASE + \
118 STM32MP_SYSRAM_SIZE - \
Yann Gautiera3f46382023-06-14 10:40:59 +0200119 STM32MP_BL2_SIZE)
120
Yann Gautier8053f2b2024-05-21 11:46:59 +0200121#define STM32MP_BL2_RO_BASE STM32MP_BL2_BASE
122
123#define STM32MP_BL2_RW_BASE (STM32MP_BL2_RO_BASE + \
124 STM32MP_BL2_RO_SIZE)
125
126#define STM32MP_BL2_RW_SIZE (STM32MP_SYSRAM_BASE + \
127 STM32MP_SYSRAM_SIZE - \
128 STM32MP_BL2_RW_BASE)
129
Yann Gautiera3f46382023-06-14 10:40:59 +0200130/* BL2 and BL32/sp_min require 4 tables */
131#define MAX_XLAT_TABLES U(4) /* 16 KB for mapping */
132
133/*
134 * MAX_MMAP_REGIONS is usually:
135 * BL stm32mp2_mmap size + mmap regions in *_plat_arch_setup
136 */
Maxime Méré212148f2024-10-02 18:24:40 +0200137#if defined(IMAGE_BL31)
138#define MAX_MMAP_REGIONS 7
139#else
Yann Gautiera3f46382023-06-14 10:40:59 +0200140#define MAX_MMAP_REGIONS 6
Maxime Méré212148f2024-10-02 18:24:40 +0200141#endif
Yann Gautiera3f46382023-06-14 10:40:59 +0200142
Yann Gautier626ec9d2023-06-14 18:44:41 +0200143/* DTB initialization value */
Yann Gautier8053f2b2024-05-21 11:46:59 +0200144#define STM32MP_BL2_DTB_SIZE U(0x00006000) /* 24 KB for DTB */
Yann Gautier626ec9d2023-06-14 18:44:41 +0200145
146#define STM32MP_BL2_DTB_BASE (STM32MP_BL2_BASE - \
147 STM32MP_BL2_DTB_SIZE)
148
Yann Gautier8053f2b2024-05-21 11:46:59 +0200149#if defined(IMAGE_BL2)
150#define STM32MP_DTB_SIZE STM32MP_BL2_DTB_SIZE
151#define STM32MP_DTB_BASE STM32MP_BL2_DTB_BASE
152#endif
153
Maxime Méréb151f682024-09-13 17:57:58 +0200154#if STM32MP_DDR_FIP_IO_STORAGE
155#define STM32MP_DDR_FW_BASE SRAM1_BASE
Nicolas Le Bayon068d3412021-07-01 14:44:22 +0200156#define STM32MP_DDR_FW_DMEM_OFFSET U(0x400)
157#define STM32MP_DDR_FW_IMEM_OFFSET U(0x800)
Maxime Méréb151f682024-09-13 17:57:58 +0200158#define STM32MP_DDR_FW_MAX_SIZE U(0x8800)
159#endif
160
Yann Gautier99f41322024-05-22 16:16:59 +0200161#define STM32MP_FW_CONFIG_MAX_SIZE PAGE_SIZE
162#define STM32MP_FW_CONFIG_BASE STM32MP_SYSRAM_BASE
163
Yann Gautiera3f46382023-06-14 10:40:59 +0200164#define STM32MP_BL33_BASE (STM32MP_DDR_BASE + U(0x04000000))
165#define STM32MP_BL33_MAX_SIZE U(0x400000)
Yann Gautier99f41322024-05-22 16:16:59 +0200166#define STM32MP_HW_CONFIG_BASE (STM32MP_BL33_BASE + \
167 STM32MP_BL33_MAX_SIZE)
168#define STM32MP_HW_CONFIG_MAX_SIZE U(0x40000)
Maxime Méré212148f2024-10-02 18:24:40 +0200169#define STM32MP_SOC_FW_CONFIG_MAX_SIZE U(0x10000) /* 64kB for BL31 DT */
Yann Gautiera3f46382023-06-14 10:40:59 +0200170
171/*******************************************************************************
Yann Gautier8053f2b2024-05-21 11:46:59 +0200172 * STM32MP2 device/io map related constants (used for MMU)
173 ******************************************************************************/
174#define STM32MP_DEVICE_BASE U(0x40000000)
175#define STM32MP_DEVICE_SIZE U(0x40000000)
176
177/*******************************************************************************
Yann Gautiera3f46382023-06-14 10:40:59 +0200178 * STM32MP2 RCC
179 ******************************************************************************/
180#define RCC_BASE U(0x44200000)
181
182/*******************************************************************************
183 * STM32MP2 PWR
184 ******************************************************************************/
185#define PWR_BASE U(0x44210000)
186
187/*******************************************************************************
Yann Gautiereb91af52023-06-14 18:05:47 +0200188 * STM32MP2 GPIO
189 ******************************************************************************/
190#define GPIOA_BASE U(0x44240000)
191#define GPIOB_BASE U(0x44250000)
192#define GPIOC_BASE U(0x44260000)
193#define GPIOD_BASE U(0x44270000)
194#define GPIOE_BASE U(0x44280000)
195#define GPIOF_BASE U(0x44290000)
196#define GPIOG_BASE U(0x442A0000)
197#define GPIOH_BASE U(0x442B0000)
198#define GPIOI_BASE U(0x442C0000)
199#define GPIOJ_BASE U(0x442D0000)
200#define GPIOK_BASE U(0x442E0000)
201#define GPIOZ_BASE U(0x46200000)
202#define GPIO_BANK_OFFSET U(0x10000)
203
204#define STM32MP_GPIOS_PIN_MAX_COUNT 16
205#define STM32MP_GPIOZ_PIN_MAX_COUNT 8
206
207/*******************************************************************************
208 * STM32MP2 UART
209 ******************************************************************************/
210#define USART1_BASE U(0x40330000)
211#define USART2_BASE U(0x400E0000)
212#define USART3_BASE U(0x400F0000)
213#define UART4_BASE U(0x40100000)
214#define UART5_BASE U(0x40110000)
215#define USART6_BASE U(0x40220000)
216#define UART7_BASE U(0x40370000)
217#define UART8_BASE U(0x40380000)
218#define UART9_BASE U(0x402C0000)
219#define STM32MP_NB_OF_UART U(9)
220
221/* For UART crash console */
222#define STM32MP_DEBUG_USART_CLK_FRQ 64000000
223/* USART2 on HSI@64MHz, TX on GPIOA4 Alternate 6 */
Boerge Struempfel1302eac2025-04-01 11:57:20 +0200224#ifdef ULTRA_FLY
225#define STM32MP_DEBUG_USART_BASE USART1_BASE
226#define DEBUG_UART_TX_GPIO_BANK_ADDRESS GPIOA_BASE
227#define DEBUG_UART_TX_GPIO_BANK_CLK_REG RCC_GPIOACFGR
228#define DEBUG_UART_TX_GPIO_BANK_CLK_EN RCC_GPIOxCFGR_GPIOxEN
229#define DEBUG_UART_TX_GPIO_PORT 3
230#define DEBUG_UART_TX_GPIO_ALTERNATE 6
231#define DEBUG_UART_TX_CLKSRC_REG RCC_XBAR8CFGR
232#define DEBUG_UART_TX_CLKSRC XBAR_SRC_HSI
233#define DEBUG_UART_TX_EN_REG RCC_USART1CFGR
234#define DEBUG_UART_TX_EN RCC_UARTxCFGR_UARTxEN
235#define DEBUG_UART_RST_REG RCC_USART1CFGR
236#define DEBUG_UART_RST_BIT RCC_UARTxCFGR_UARTxRST
237#define DEBUG_UART_PREDIV_CFGR RCC_PREDIV19CFGR
238#define DEBUG_UART_FINDIV_CFGR RCC_FINDIV19CFGR
239#else
Yann Gautiereb91af52023-06-14 18:05:47 +0200240#define STM32MP_DEBUG_USART_BASE USART2_BASE
241#define DEBUG_UART_TX_GPIO_BANK_ADDRESS GPIOA_BASE
242#define DEBUG_UART_TX_GPIO_BANK_CLK_REG RCC_GPIOACFGR
243#define DEBUG_UART_TX_GPIO_BANK_CLK_EN RCC_GPIOxCFGR_GPIOxEN
244#define DEBUG_UART_TX_GPIO_PORT 4
245#define DEBUG_UART_TX_GPIO_ALTERNATE 6
246#define DEBUG_UART_TX_CLKSRC_REG RCC_XBAR8CFGR
247#define DEBUG_UART_TX_CLKSRC XBAR_SRC_HSI
248#define DEBUG_UART_TX_EN_REG RCC_USART2CFGR
249#define DEBUG_UART_TX_EN RCC_UARTxCFGR_UARTxEN
250#define DEBUG_UART_RST_REG RCC_USART2CFGR
251#define DEBUG_UART_RST_BIT RCC_UARTxCFGR_UARTxRST
252#define DEBUG_UART_PREDIV_CFGR RCC_PREDIV8CFGR
253#define DEBUG_UART_FINDIV_CFGR RCC_FINDIV8CFGR
Boerge Struempfel1302eac2025-04-01 11:57:20 +0200254#endif
Yann Gautiereb91af52023-06-14 18:05:47 +0200255
256/*******************************************************************************
Yann Gautiera3f46382023-06-14 10:40:59 +0200257 * STM32MP2 SDMMC
258 ******************************************************************************/
259#define STM32MP_SDMMC1_BASE U(0x48220000)
260#define STM32MP_SDMMC2_BASE U(0x48230000)
261#define STM32MP_SDMMC3_BASE U(0x48240000)
262
263/*******************************************************************************
Yann Gautiera585d762024-01-03 14:28:23 +0100264 * STM32MP2 BSEC / OTP
265 ******************************************************************************/
266/*
267 * 367 available OTPs, the other are masked
268 * - ECIES key: 368 to 375 (only readable by bootrom)
269 * - HWKEY: 376 to 383 (never reloadable or readable)
270 */
271#define STM32MP2_OTP_MAX_ID U(0x16F)
272#define STM32MP2_MID_OTP_START U(0x80)
273#define STM32MP2_UPPER_OTP_START U(0x100)
274
275/* OTP labels */
276#define PART_NUMBER_OTP "part-number-otp"
Yann Gautier400dcac2024-06-21 14:49:47 +0200277#define REVISION_OTP "rev_otp"
Yann Gautiera585d762024-01-03 14:28:23 +0100278#define PACKAGE_OTP "package-otp"
279#define HCONF1_OTP "otp124"
280#define NAND_OTP "otp16"
281#define NAND2_OTP "otp20"
282#define BOARD_ID_OTP "board-id"
283#define UID_OTP "uid-otp"
284#define LIFECYCLE2_OTP "otp18"
285#define PKH_OTP "otp144"
286#define ENCKEY_OTP "otp260"
287
288/* OTP mask */
289/* PACKAGE */
290#define PACKAGE_OTP_PKG_MASK GENMASK_32(2, 0)
291#define PACKAGE_OTP_PKG_SHIFT U(0)
292
293/* IWDG OTP */
294#define HCONF1_OTP_IWDG_HW_POS U(0)
295#define HCONF1_OTP_IWDG_FZ_STOP_POS U(1)
296#define HCONF1_OTP_IWDG_FZ_STANDBY_POS U(2)
297
298/* NAND OTP */
299/* NAND parameter storage flag */
300#define NAND_PARAM_STORED_IN_OTP BIT_32(31)
301
302/* NAND page size in bytes */
303#define NAND_PAGE_SIZE_MASK GENMASK_32(30, 29)
304#define NAND_PAGE_SIZE_SHIFT U(29)
305#define NAND_PAGE_SIZE_2K U(0)
306#define NAND_PAGE_SIZE_4K U(1)
307#define NAND_PAGE_SIZE_8K U(2)
308
309/* NAND block size in pages */
310#define NAND_BLOCK_SIZE_MASK GENMASK_32(28, 27)
311#define NAND_BLOCK_SIZE_SHIFT U(27)
312#define NAND_BLOCK_SIZE_64_PAGES U(0)
313#define NAND_BLOCK_SIZE_128_PAGES U(1)
314#define NAND_BLOCK_SIZE_256_PAGES U(2)
315
316/* NAND number of block (in unit of 256 blocks) */
317#define NAND_BLOCK_NB_MASK GENMASK_32(26, 19)
318#define NAND_BLOCK_NB_SHIFT U(19)
319#define NAND_BLOCK_NB_UNIT U(256)
320
321/* NAND bus width in bits */
322#define NAND_WIDTH_MASK BIT_32(18)
323#define NAND_WIDTH_SHIFT U(18)
324
325/* NAND number of ECC bits per 512 bytes */
326#define NAND_ECC_BIT_NB_MASK GENMASK_32(17, 15)
327#define NAND_ECC_BIT_NB_SHIFT U(15)
328#define NAND_ECC_BIT_NB_UNSET U(0)
329#define NAND_ECC_BIT_NB_1_BITS U(1)
330#define NAND_ECC_BIT_NB_4_BITS U(2)
331#define NAND_ECC_BIT_NB_8_BITS U(3)
332#define NAND_ECC_ON_DIE U(4)
333
334/* NAND number of planes */
335#define NAND_PLANE_BIT_NB_MASK BIT_32(14)
336
337/* NAND2 OTP */
338#define NAND2_PAGE_SIZE_SHIFT U(16)
339
340/* NAND2 config distribution */
341#define NAND2_CONFIG_DISTRIB BIT_32(0)
342#define NAND2_PNAND_NAND2_SNAND_NAND1 U(0)
343#define NAND2_PNAND_NAND1_SNAND_NAND2 U(1)
344
345/* MONOTONIC OTP */
346#define MAX_MONOTONIC_VALUE U(32)
347
348/* UID OTP */
349#define UID_WORD_NB U(3)
350
351/* Lifecycle OTP */
352#define SECURE_BOOT_CLOSED_SECURE GENMASK_32(3, 0)
353
354/*******************************************************************************
Yann Gautiera3f46382023-06-14 10:40:59 +0200355 * STM32MP2 TAMP
356 ******************************************************************************/
357#define PLAT_MAX_TAMP_INT U(5)
358#define PLAT_MAX_TAMP_EXT U(3)
359#define TAMP_BASE U(0x46010000)
360#define TAMP_SMCR (TAMP_BASE + U(0x20))
361#define TAMP_BKP_REGISTER_BASE (TAMP_BASE + U(0x100))
362#define TAMP_BKP_REG_CLK CK_BUS_RTC
363#define TAMP_BKP_SEC_NUMBER U(10)
364#define TAMP_COUNTR U(0x40)
365
366#if !(defined(__LINKER__) || defined(__ASSEMBLER__))
367static inline uintptr_t tamp_bkpr(uint32_t idx)
368{
369 return TAMP_BKP_REGISTER_BASE + (idx << 2);
370}
371#endif
372
373/*******************************************************************************
374 * STM32MP2 DDRCTRL
375 ******************************************************************************/
376#define DDRCTRL_BASE U(0x48040000)
377
378/*******************************************************************************
379 * STM32MP2 DDRDBG
380 ******************************************************************************/
381#define DDRDBG_BASE U(0x48050000)
382
383/*******************************************************************************
384 * STM32MP2 DDRPHYC
385 ******************************************************************************/
386#define DDRPHYC_BASE U(0x48C00000)
387
388/*******************************************************************************
389 * Miscellaneous STM32MP1 peripherals base address
390 ******************************************************************************/
391#define BSEC_BASE U(0x44000000)
392#define DBGMCU_BASE U(0x4A010000)
393#define HASH_BASE U(0x42010000)
394#define RTC_BASE U(0x46000000)
395#define STGEN_BASE U(0x48080000)
396#define SYSCFG_BASE U(0x44230000)
397
398/*******************************************************************************
Maxime Méréb151f682024-09-13 17:57:58 +0200399 * STM32MP RIF
400 ******************************************************************************/
401#define RISAB3_BASE U(0x42110000)
Maxime Méré98768bf2024-09-19 09:54:28 +0200402#define RISAB5_BASE U(0x42130000)
Maxime Méréb151f682024-09-13 17:57:58 +0200403
404/*******************************************************************************
Gabriel Fernandezbcd95062022-04-20 10:08:49 +0200405 * STM32MP CA35SSC
406 ******************************************************************************/
407#define A35SSC_BASE U(0x48800000)
408
409/*******************************************************************************
Yann Gautiera3f46382023-06-14 10:40:59 +0200410 * REGULATORS
411 ******************************************************************************/
412/* 3 PWR + 1 VREFBUF + 14 PMIC regulators + 1 FIXED */
413#define PLAT_NB_RDEVS U(19)
414/* 2 FIXED */
415#define PLAT_NB_FIXED_REGUS U(2)
416/* No GPIO regu */
417#define PLAT_NB_GPIO_REGUS U(0)
418
419/*******************************************************************************
420 * Device Tree defines
421 ******************************************************************************/
422#define DT_BSEC_COMPAT "st,stm32mp25-bsec"
423#define DT_DDR_COMPAT "st,stm32mp2-ddr"
424#define DT_PWR_COMPAT "st,stm32mp25-pwr"
425#define DT_RCC_CLK_COMPAT "st,stm32mp25-rcc"
Yann Gautier8053f2b2024-05-21 11:46:59 +0200426#define DT_SDMMC2_COMPAT "st,stm32mp25-sdmmc2"
Yann Gautiera3f46382023-06-14 10:40:59 +0200427#define DT_UART_COMPAT "st,stm32h7-uart"
428
429#endif /* STM32MP2_DEF_H */