blob: b51914d1e02d82af0a56669907b5f3ca09d87d44 [file] [log] [blame]
Tom Rini10e47792018-05-06 17:58:06 -04001/* SPDX-License-Identifier: GPL-2.0+ */
Michal Simekaf482d52012-09-28 09:56:37 +00002/*
3 * (C) Copyright 2012 Michal Simek <monstr@monstr.eu>
Michal Simek98d0f1f2018-01-17 07:37:47 +01004 * (C) Copyright 2013 - 2018 Xilinx, Inc.
Jagannadha Sutradharudu Teki20ddda02014-01-09 01:48:10 +05305 *
6 * Common configuration options for all Zynq boards.
Michal Simekaf482d52012-09-28 09:56:37 +00007 */
8
Jagannadha Sutradharudu Teki20ddda02014-01-09 01:48:10 +05309#ifndef __CONFIG_ZYNQ_COMMON_H
10#define __CONFIG_ZYNQ_COMMON_H
Michal Simekaf482d52012-09-28 09:56:37 +000011
Michal Simekaf482d52012-09-28 09:56:37 +000012/* CPU clock */
Jagannadha Sutradharudu Teki4ecfc2f2014-01-09 01:48:06 +053013#ifndef CONFIG_CPU_FREQ_HZ
14# define CONFIG_CPU_FREQ_HZ 800000000
15#endif
Michal Simekaf482d52012-09-28 09:56:37 +000016
Siva Durga Prasad Paladugu801fd622019-01-22 14:34:12 +053017#define CONFIG_REMAKE_ELF
18
Jagannadha Sutradharudu Tekifef608a2014-01-09 01:48:07 +053019/* Cache options */
Jagannadha Sutradharudu Tekifef608a2014-01-09 01:48:07 +053020#define CONFIG_SYS_L2CACHE_OFF
21#ifndef CONFIG_SYS_L2CACHE_OFF
22# define CONFIG_SYS_L2_PL310
23# define CONFIG_SYS_PL310_BASE 0xf8f02000
24#endif
25
Michal Simek40bcb862015-04-20 12:56:24 +020026#define ZYNQ_SCUTIMER_BASEADDR 0xF8F00600
27#define CONFIG_SYS_TIMERBASE ZYNQ_SCUTIMER_BASEADDR
28#define CONFIG_SYS_TIMER_COUNTS_DOWN
29#define CONFIG_SYS_TIMER_COUNTER (CONFIG_SYS_TIMERBASE + 0x4)
30
Jagannadha Sutradharudu Teki4ecfc2f2014-01-09 01:48:06 +053031/* Serial drivers */
Michal Simekaf482d52012-09-28 09:56:37 +000032/* The following table includes the supported baudrates */
33#define CONFIG_SYS_BAUDRATE_TABLE \
34 {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
35
Michal Simekd5c13f72016-02-23 10:02:29 +010036#define CONFIG_ARM_DCC
Jagannadha Sutradharudu Teki4ecfc2f2014-01-09 01:48:06 +053037
Michal Simekaf482d52012-09-28 09:56:37 +000038/* Ethernet driver */
Michal Simek3d7285f2015-11-30 14:34:52 +010039#if defined(CONFIG_ZYNQ_GEM)
Jagannadha Sutradharudu Teki0ea4dc72014-01-09 01:48:09 +053040# define CONFIG_SYS_FAULT_ECHO_LINK_DOWN
Michal Simek53e3a062015-01-13 16:27:14 +010041# define CONFIG_BOOTP_MAY_FAIL
Jagannadha Sutradharudu Teki0ea4dc72014-01-09 01:48:09 +053042#endif
Michal Simekaf482d52012-09-28 09:56:37 +000043
Jagan Teki5dd9d062015-08-17 18:55:02 +053044/* QSPI */
Jagan Teki5dd9d062015-08-17 18:55:02 +053045
Jagannadha Sutradharudu Teki03c0b862014-01-09 01:48:20 +053046/* NOR */
Masahiro Yamada8cea9b52017-02-11 22:43:54 +090047#ifdef CONFIG_MTD_NOR_FLASH
Jagannadha Sutradharudu Teki03c0b862014-01-09 01:48:20 +053048# define CONFIG_SYS_FLASH_BASE 0xE2000000
49# define CONFIG_SYS_FLASH_SIZE (16 * 1024 * 1024)
50# define CONFIG_SYS_MAX_FLASH_BANKS 1
51# define CONFIG_SYS_MAX_FLASH_SECT 512
52# define CONFIG_SYS_FLASH_ERASE_TOUT 1000
53# define CONFIG_SYS_FLASH_WRITE_TOUT 5000
54# define CONFIG_FLASH_SHOW_PROGRESS 10
Jagannadha Sutradharudu Teki03c0b862014-01-09 01:48:20 +053055# undef CONFIG_SYS_FLASH_EMPTY_INFO
Jagannadha Sutradharudu Teki03c0b862014-01-09 01:48:20 +053056#endif
57
Siva Durga Prasad Paladuguddb9f062016-09-27 10:55:47 +053058#ifdef CONFIG_NAND_ZYNQ
Siva Durga Prasad Paladuguddb9f062016-09-27 10:55:47 +053059#define CONFIG_SYS_MAX_NAND_DEVICE 1
60#define CONFIG_SYS_NAND_ONFI_DETECTION
Siva Durga Prasad Paladuguddb9f062016-09-27 10:55:47 +053061#endif
62
Siva Durga Prasad Paladugu42fcc182016-07-22 14:51:51 +053063#ifdef CONFIG_USB_EHCI_ZYNQ
Siva Durga Prasad Paladugu0ad27ca2014-02-20 10:28:27 +053064# define CONFIG_EHCI_IS_TDI
Siva Durga Prasad Paladugue3b24742014-08-25 10:58:33 +053065
Siva Durga Prasad Paladugue3b24742014-08-25 10:58:33 +053066# define CONFIG_SYS_DFU_DATA_BUF_SIZE 0x600000
67# define DFU_DEFAULT_POLL_TIMEOUT 300
Siva Durga Prasad Paladugue3b24742014-08-25 10:58:33 +053068# define CONFIG_USB_CABLE_CHECK
Michal Simek72cc9932016-04-07 18:55:11 +020069# define CONFIG_THOR_RESET_OFF
Siva Durga Prasad Paladugue3b24742014-08-25 10:58:33 +053070# define DFU_ALT_INFO_RAM \
71 "dfu_ram_info=" \
Melin Tomasb34f8be2019-04-10 07:26:07 +000072 "setenv dfu_alt_info " \
Siva Durga Prasad Paladugue3b24742014-08-25 10:58:33 +053073 "${kernel_image} ram 0x3000000 0x500000\\\\;" \
74 "${devicetree_image} ram 0x2A00000 0x20000\\\\;" \
75 "${ramdisk_image} ram 0x2000000 0x600000\0" \
Siva Durga Prasad Paladugud682fc22014-09-08 22:09:37 +053076 "dfu_ram=run dfu_ram_info && dfu 0 ram 0\0" \
77 "thor_ram=run dfu_ram_info && thordown 0 ram 0\0"
Siva Durga Prasad Paladugue3b24742014-08-25 10:58:33 +053078
Masahiro Yamada168c57d2017-01-30 19:46:51 +090079# if defined(CONFIG_MMC_SDHCI_ZYNQ)
Siva Durga Prasad Paladugue3b24742014-08-25 10:58:33 +053080# define DFU_ALT_INFO_MMC \
81 "dfu_mmc_info=" \
Melin Tomasb34f8be2019-04-10 07:26:07 +000082 "setenv dfu_alt_info " \
Siva Durga Prasad Paladugue3b24742014-08-25 10:58:33 +053083 "${kernel_image} fat 0 1\\\\;" \
84 "${devicetree_image} fat 0 1\\\\;" \
85 "${ramdisk_image} fat 0 1\0" \
Siva Durga Prasad Paladugud682fc22014-09-08 22:09:37 +053086 "dfu_mmc=run dfu_mmc_info && dfu 0 mmc 0\0" \
87 "thor_mmc=run dfu_mmc_info && thordown 0 mmc 0\0"
88
Siva Durga Prasad Paladugue3b24742014-08-25 10:58:33 +053089# define DFU_ALT_INFO \
90 DFU_ALT_INFO_RAM \
91 DFU_ALT_INFO_MMC
92# else
93# define DFU_ALT_INFO \
94 DFU_ALT_INFO_RAM
95# endif
96#endif
97
98#if !defined(DFU_ALT_INFO)
99# define DFU_ALT_INFO
Siva Durga Prasad Paladugu0ad27ca2014-02-20 10:28:27 +0530100#endif
101
Jagannadha Sutradharudu Teki1eb446d2014-01-09 01:48:25 +0530102/* Allow to overwrite serial and ethaddr */
103#define CONFIG_ENV_OVERWRITE
104
Michal Simekb22ece12016-03-18 23:43:39 +0100105/* enable preboot to be loaded before CONFIG_BOOTDELAY */
106#define CONFIG_PREBOOT
107
Alexander Graf605e5232017-07-03 13:41:35 +0200108/* Boot configuration */
Alexander Graf605e5232017-07-03 13:41:35 +0200109#define CONFIG_SYS_LOAD_ADDR 0 /* default? */
110
Alexander Graf605e5232017-07-03 13:41:35 +0200111#ifdef CONFIG_SPL_BUILD
112#define BOOTENV
113#else
Alexander Graf605e5232017-07-03 13:41:35 +0200114
115#ifdef CONFIG_CMD_MMC
116#define BOOT_TARGET_DEVICES_MMC(func) func(MMC, mmc, 0)
117#else
118#define BOOT_TARGET_DEVICES_MMC(func)
119#endif
120
121#ifdef CONFIG_CMD_USB
122#define BOOT_TARGET_DEVICES_USB(func) func(USB, usb, 0)
123#else
124#define BOOT_TARGET_DEVICES_USB(func)
125#endif
126
Joe Hershberger8e8594f2018-04-13 15:26:40 -0500127#if defined(CONFIG_CMD_PXE) && defined(CONFIG_CMD_DHCP)
Alexander Graf605e5232017-07-03 13:41:35 +0200128#define BOOT_TARGET_DEVICES_PXE(func) func(PXE, pxe, na)
129#else
130#define BOOT_TARGET_DEVICES_PXE(func)
131#endif
132
133#if defined(CONFIG_CMD_DHCP)
134#define BOOT_TARGET_DEVICES_DHCP(func) func(DHCP, dhcp, na)
135#else
136#define BOOT_TARGET_DEVICES_DHCP(func)
137#endif
138
Siva Durga Prasad Paladugub4883f72019-01-25 17:06:05 +0530139#if defined(CONFIG_ZYNQ_QSPI)
140# define BOOT_TARGET_DEVICES_QSPI(func) func(QSPI, qspi, na)
141#else
142# define BOOT_TARGET_DEVICES_QSPI(func)
143#endif
144
145#if defined(CONFIG_NAND_ZYNQ)
146# define BOOT_TARGET_DEVICES_NAND(func) func(NAND, nand, na)
147#else
148# define BOOT_TARGET_DEVICES_NAND(func)
149#endif
150
151#if defined(CONFIG_MTD_NOR_FLASH)
152# define BOOT_TARGET_DEVICES_NOR(func) func(NOR, nor, na)
153#else
154# define BOOT_TARGET_DEVICES_NOR(func)
155#endif
156
Michal Simek31c60ce2019-01-03 13:58:27 +0100157#define BOOTENV_DEV_XILINX(devtypeu, devtypel, instance) \
158 "bootcmd_xilinx=run $modeboot\0"
159
160#define BOOTENV_DEV_NAME_XILINX(devtypeu, devtypel, instance) \
161 "xilinx "
162
Siva Durga Prasad Paladugub4883f72019-01-25 17:06:05 +0530163#define BOOTENV_DEV_QSPI(devtypeu, devtypel, instance) \
164 "bootcmd_qspi=sf probe 0 0 0 && " \
165 "sf read $scriptaddr $script_offset_f $script_size_f && " \
166 "source ${scriptaddr}; echo SCRIPT FAILED: continuing...;\0"
167
168#define BOOTENV_DEV_NAME_QSPI(devtypeu, devtypel, instance) \
169 "qspi "
170
171#define BOOTENV_DEV_NAND(devtypeu, devtypel, instance) \
172 "bootcmd_nand=nand info && " \
173 "nand read $scriptaddr $script_offset_f $script_size_f && " \
174 "source ${scriptaddr}; echo SCRIPT FAILED: continuing...;\0"
175
176#define BOOTENV_DEV_NAME_NAND(devtypeu, devtypel, instance) \
177 "nand "
178
179#define BOOTENV_DEV_NOR(devtypeu, devtypel, instance) \
180 "bootcmd_nor=cp.b $scropt_offset_nor $scriptaddr $script_size_f && " \
181 "source ${scriptaddr}; echo SCRIPT FAILED: continuing...;\0"
182
183#define BOOTENV_DEV_NAME_NOR(devtypeu, devtypel, instance) \
184 "nor "
185
Alexander Graf605e5232017-07-03 13:41:35 +0200186#define BOOT_TARGET_DEVICES(func) \
187 BOOT_TARGET_DEVICES_MMC(func) \
Siva Durga Prasad Paladugub4883f72019-01-25 17:06:05 +0530188 BOOT_TARGET_DEVICES_QSPI(func) \
189 BOOT_TARGET_DEVICES_NAND(func) \
190 BOOT_TARGET_DEVICES_NOR(func) \
Alexander Graf605e5232017-07-03 13:41:35 +0200191 BOOT_TARGET_DEVICES_USB(func) \
192 BOOT_TARGET_DEVICES_PXE(func) \
Michal Simek31c60ce2019-01-03 13:58:27 +0100193 BOOT_TARGET_DEVICES_DHCP(func) \
194 func(XILINX, xilinx, na)
Alexander Graf605e5232017-07-03 13:41:35 +0200195
196#include <config_distro_bootcmd.h>
197#endif /* CONFIG_SPL_BUILD */
198
Jagannadha Sutradharudu Tekia534a112014-01-09 01:48:22 +0530199/* Default environment */
Michal Simekc6262ef2016-02-13 11:50:03 +0100200#ifndef CONFIG_EXTRA_ENV_SETTINGS
Jagannadha Sutradharudu Tekia534a112014-01-09 01:48:22 +0530201#define CONFIG_EXTRA_ENV_SETTINGS \
202 "fit_image=fit.itb\0" \
203 "load_addr=0x2000000\0" \
204 "fit_size=0x800000\0" \
205 "flash_off=0x100000\0" \
206 "nor_flash_off=0xE2100000\0" \
207 "fdt_high=0x20000000\0" \
208 "initrd_high=0x20000000\0" \
Siva Durga Prasad Paladugub4883f72019-01-25 17:06:05 +0530209 "scriptaddr=0x20000\0" \
210 "script_offser_nor=0xE2FC0000\0" \
211 "script_offset_f=0xFC0000\0" \
212 "script_size_f=0x40000\0" \
Michal Simekb22ece12016-03-18 23:43:39 +0100213 "loadbootenv_addr=0x2000000\0" \
Alexander Graf605e5232017-07-03 13:41:35 +0200214 "fdt_addr_r=0x1f00000\0" \
215 "pxefile_addr_r=0x2000000\0" \
216 "kernel_addr_r=0x2000000\0" \
217 "scriptaddr=0x3000000\0" \
218 "ramdisk_addr_r=0x3100000\0" \
Michal Simekb22ece12016-03-18 23:43:39 +0100219 "bootenv=uEnv.txt\0" \
220 "bootenv_dev=mmc\0" \
221 "loadbootenv=load ${bootenv_dev} 0 ${loadbootenv_addr} ${bootenv}\0" \
222 "importbootenv=echo Importing environment from ${bootenv_dev} ...; " \
223 "env import -t ${loadbootenv_addr} $filesize\0" \
224 "bootenv_existence_test=test -e ${bootenv_dev} 0 /${bootenv}\0" \
225 "setbootenv=if env run bootenv_existence_test; then " \
226 "if env run loadbootenv; then " \
227 "env run importbootenv; " \
228 "fi; " \
229 "fi; \0" \
Melin Tomasb34f8be2019-04-10 07:26:07 +0000230 "sd_loadbootenv=setenv bootenv_dev mmc && " \
Michal Simekb22ece12016-03-18 23:43:39 +0100231 "run setbootenv \0" \
Melin Tomasb34f8be2019-04-10 07:26:07 +0000232 "usb_loadbootenv=setenv bootenv_dev usb && usb start && run setbootenv \0" \
Michal Simekb22ece12016-03-18 23:43:39 +0100233 "preboot=if test $modeboot = sdboot; then " \
234 "run sd_loadbootenv; " \
235 "echo Checking if uenvcmd is set ...; " \
236 "if test -n $uenvcmd; then " \
237 "echo Running uenvcmd ...; " \
238 "run uenvcmd; " \
239 "fi; " \
240 "fi; \0" \
Jagannadha Sutradharudu Tekia534a112014-01-09 01:48:22 +0530241 "norboot=echo Copying FIT from NOR flash to RAM... && " \
242 "cp.b ${nor_flash_off} ${load_addr} ${fit_size} && " \
243 "bootm ${load_addr}\0" \
244 "sdboot=echo Copying FIT from SD to RAM... && " \
Michal Simek3319dbc2014-09-24 14:55:03 +0200245 "load mmc 0 ${load_addr} ${fit_image} && " \
Jagannadha Sutradharudu Tekia534a112014-01-09 01:48:22 +0530246 "bootm ${load_addr}\0" \
247 "jtagboot=echo TFTPing FIT to RAM... && " \
Michal Simek9dd915c2014-02-05 07:56:07 +0100248 "tftpboot ${load_addr} ${fit_image} && " \
Siva Durga Prasad Paladugu0ad27ca2014-02-20 10:28:27 +0530249 "bootm ${load_addr}\0" \
250 "usbboot=if usb start; then " \
251 "echo Copying FIT from USB to RAM... && " \
Michal Simek3319dbc2014-09-24 14:55:03 +0200252 "load usb 0 ${load_addr} ${fit_image} && " \
Jason Wu9f24fbc2016-02-22 22:07:49 +1000253 "bootm ${load_addr}; fi\0" \
Alexander Graf605e5232017-07-03 13:41:35 +0200254 DFU_ALT_INFO \
255 BOOTENV
Michal Simekc6262ef2016-02-13 11:50:03 +0100256#endif
Siva Durga Prasad Paladugu0ad27ca2014-02-20 10:28:27 +0530257
Jagannadha Sutradharudu Teki4817a192014-01-09 01:48:04 +0530258/* Miscellaneous configurable options */
Jagannadha Sutradharudu Teki4817a192014-01-09 01:48:04 +0530259
Soren Brinkmann102ad002013-11-21 13:38:54 -0800260#define CONFIG_CLOCKS
Michal Simek97d03c32014-04-25 13:33:19 +0200261#define CONFIG_SYS_MAXARGS 32 /* max number of command args */
Michal Simekaf482d52012-09-28 09:56:37 +0000262
Michal Simek134244a2016-04-01 16:04:14 +0200263#define CONFIG_SYS_MEMTEST_START 0
264#define CONFIG_SYS_MEMTEST_END 0x1000
Jagannadha Sutradharudu Teki6681b3e2014-01-09 01:48:05 +0530265
Michal Simek134244a2016-04-01 16:04:14 +0200266#define CONFIG_SYS_INIT_RAM_ADDR 0xFFFF0000
267#define CONFIG_SYS_INIT_RAM_SIZE 0x1000
Jagannadha Sutradharudu Teki6681b3e2014-01-09 01:48:05 +0530268#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \
269 CONFIG_SYS_INIT_RAM_SIZE - \
270 GENERATED_GBL_DATA_SIZE)
Jagannadha Sutradharudu Teki4ecfc2f2014-01-09 01:48:06 +0530271
Jagannadha Sutradharudu Teki4ecfc2f2014-01-09 01:48:06 +0530272
Michal Simekec789f52014-01-20 11:29:06 +0100273/* Extend size of kernel image for uncompression */
Michal Simekc8e9b892014-01-20 11:29:06 +0100274#define CONFIG_SYS_BOOTM_LEN (60 * 1024 * 1024)
Michal Simekec789f52014-01-20 11:29:06 +0100275
Jagannadha Sutradharudu Tekid06b7ad2014-01-09 01:48:03 +0530276/* Boot FreeBSD/vxWorks from an ELF image */
Michal Simek644ba0e2016-02-04 11:08:26 +0100277#define CONFIG_SYS_MMC_MAX_DEVICE 1
Jagannadha Sutradharudu Tekid06b7ad2014-01-09 01:48:03 +0530278
Michal Simeke60148d2014-01-14 14:21:52 +0100279/* MMC support */
Masahiro Yamada168c57d2017-01-30 19:46:51 +0900280#ifdef CONFIG_MMC_SDHCI_ZYNQ
Paul Kocialkowski341e8cd2014-11-08 23:14:55 +0100281#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1
Masahiro Yamadafd633652016-04-14 06:52:26 +0900282#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
Masahiro Yamada77244362014-05-15 20:37:52 +0900283#endif
284
Michal Simeke60148d2014-01-14 14:21:52 +0100285/* Address in RAM where the parameters must be copied by SPL. */
286#define CONFIG_SYS_SPL_ARGS_ADDR 0x10000000
287
Guillaume GARDET602a16c2014-10-15 17:53:11 +0200288#define CONFIG_SPL_FS_LOAD_ARGS_NAME "system.dtb"
289#define CONFIG_SPL_FS_LOAD_KERNEL_NAME "uImage"
Michal Simeke60148d2014-01-14 14:21:52 +0100290
291/* Not using MMC raw mode - just for compilation purpose */
292#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR 0
293#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS 0
294#define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0
295
296/* qspi mode is working fine */
297#ifdef CONFIG_ZYNQ_QSPI
Michal Simeke60148d2014-01-14 14:21:52 +0100298#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x100000
Siva Durga Prasad Paladugu40ea29b2015-09-14 12:59:08 +0530299#define CONFIG_SYS_SPI_ARGS_OFFS 0x200000
300#define CONFIG_SYS_SPI_ARGS_SIZE 0x80000
301#define CONFIG_SYS_SPI_KERNEL_OFFS (CONFIG_SYS_SPI_ARGS_OFFS + \
302 CONFIG_SYS_SPI_ARGS_SIZE)
Michal Simeke60148d2014-01-14 14:21:52 +0100303#endif
304
Michal Simeke60148d2014-01-14 14:21:52 +0100305/* SP location before relocation, must use scratch RAM */
Michal Simeke60148d2014-01-14 14:21:52 +0100306
307/* 3 * 64kB blocks of OCM - one is on the top because of bootrom */
308#define CONFIG_SPL_MAX_SIZE 0x30000
309
Michal Simeke60148d2014-01-14 14:21:52 +0100310/* On the top of OCM space */
Michal Simekc7abf8d2017-12-01 13:50:33 +0100311#define CONFIG_SYS_SPL_MALLOC_START CONFIG_SPL_STACK_R_ADDR
312#define CONFIG_SYS_SPL_MALLOC_SIZE 0x2000000
Michal Simeke60148d2014-01-14 14:21:52 +0100313
Michal Simek8f0af3f2015-11-23 16:27:38 +0100314/*
315 * SPL stack position - and stack goes down
316 * 0xfffffe00 is used for putting wfi loop.
317 * Set it up as limit for now.
318 */
319#define CONFIG_SPL_STACK 0xfffffe00
320
Michal Simeke60148d2014-01-14 14:21:52 +0100321/* BSS setup */
322#define CONFIG_SPL_BSS_START_ADDR 0x100000
323#define CONFIG_SPL_BSS_MAX_SIZE 0x100000
324
Michal Simek8f0700c2018-10-17 12:16:12 +0200325#define CONFIG_SPL_LOAD_FIT_ADDRESS 0x10000000
326
Michal Simeke60148d2014-01-14 14:21:52 +0100327#define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE
Michal Simekaf482d52012-09-28 09:56:37 +0000328
Jagannadha Sutradharudu Teki20ddda02014-01-09 01:48:10 +0530329#endif /* __CONFIG_ZYNQ_COMMON_H */