upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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214 lines
5.7 KiB
214 lines
5.7 KiB
/*
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* (C) Copyright 2001
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* Erik Theisen, Wave 7 Optics, etheisen@mindspring.com.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef __ASSEMBLY__
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#define __ASSEMBLY__ /* Dirty trick to get only #defines */
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#endif
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#define __ASM_STUB_PROCESSOR_H__ /* don't include asm/processor. */
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#include <config.h>
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#undef __ASSEMBLY__
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#include <environment.h>
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/*
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* Handle HOSTS that have prepended
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* crap on symbol names, not TARGETS.
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*/
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#if defined(__APPLE__)
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/* Leading underscore on symbols */
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# define SYM_CHAR "_"
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#else /* No leading character on symbols */
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# define SYM_CHAR
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#endif
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/*
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* Generate embedded environment table
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* inside U-Boot image, if needed.
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*/
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#if defined(ENV_IS_EMBEDDED)
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/*
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* Only put the environment in it's own section when we are building
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* U-Boot proper. The host based program "tools/envcrc" does not need
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* a seperate section. Note that ENV_CRC is only defined when building
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* U-Boot itself.
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*/
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#if (defined(CONFIG_CMI) || \
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defined(CONFIG_FADS) || \
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defined(CONFIG_HYMOD) || \
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defined(CONFIG_ICU862) || \
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defined(CONFIG_R360MPI) || \
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defined(CONFIG_TQM8xxL) || \
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defined(CONFIG_RRVISION) || \
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defined(CONFIG_TRAB) || \
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defined(CONFIG_PPCHAMELEONEVB) || \
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defined(CONFIG_M5271EVB) || \
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defined(CONFIG_IDMR) || \
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defined(CONFIG_NAND_U_BOOT)) && \
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defined(ENV_CRC) /* Environment embedded in U-Boot .ppcenv section */
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/* XXX - This only works with GNU C */
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# define __PPCENV__ __attribute__ ((section(".ppcenv")))
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# define __PPCTEXT__ __attribute__ ((section(".text")))
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#elif defined(USE_HOSTCC) /* Native for 'tools/envcrc' */
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# define __PPCENV__ /*XXX DO_NOT_DEL_THIS_COMMENT*/
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# define __PPCTEXT__ /*XXX DO_NOT_DEL_THIS_COMMENT*/
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#else /* Environment is embedded in U-Boot's .text section */
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/* XXX - This only works with GNU C */
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# define __PPCENV__ __attribute__ ((section(".text")))
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# define __PPCTEXT__ __attribute__ ((section(".text")))
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#endif
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/*
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* Macros to generate global absolutes.
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*/
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#define GEN_SYMNAME(str) SYM_CHAR #str
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#define GEN_VALUE(str) #str
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#define GEN_ABS(name, value) \
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asm (".globl " GEN_SYMNAME(name)); \
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asm (GEN_SYMNAME(name) " = " GEN_VALUE(value))
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/*
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* Macros to transform values
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* into environment strings.
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*/
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#define XMK_STR(x) #x
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#define MK_STR(x) XMK_STR(x)
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/*
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* Check to see if we are building with a
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* computed CRC. Otherwise define it as ~0.
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*/
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#if !defined(ENV_CRC)
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# define ENV_CRC ~0
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#endif
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env_t environment __PPCENV__ = {
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ENV_CRC, /* CRC Sum */
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#ifdef CFG_REDUNDAND_ENVIRONMENT
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1, /* Flags: valid */
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#endif
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{
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#if defined(CONFIG_BOOTARGS)
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"bootargs=" CONFIG_BOOTARGS "\0"
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#endif
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#if defined(CONFIG_BOOTCOMMAND)
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"bootcmd=" CONFIG_BOOTCOMMAND "\0"
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#endif
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#if defined(CONFIG_RAMBOOTCOMMAND)
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"ramboot=" CONFIG_RAMBOOTCOMMAND "\0"
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#endif
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#if defined(CONFIG_NFSBOOTCOMMAND)
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"nfsboot=" CONFIG_NFSBOOTCOMMAND "\0"
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#endif
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#if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0)
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"bootdelay=" MK_STR(CONFIG_BOOTDELAY) "\0"
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#endif
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#if defined(CONFIG_BAUDRATE) && (CONFIG_BAUDRATE >= 0)
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"baudrate=" MK_STR(CONFIG_BAUDRATE) "\0"
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#endif
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#ifdef CONFIG_LOADS_ECHO
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"loads_echo=" MK_STR(CONFIG_LOADS_ECHO) "\0"
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#endif
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#ifdef CONFIG_ETHADDR
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"ethaddr=" MK_STR(CONFIG_ETHADDR) "\0"
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#endif
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#ifdef CONFIG_ETH1ADDR
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"eth1addr=" MK_STR(CONFIG_ETH1ADDR) "\0"
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#endif
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#ifdef CONFIG_ETH2ADDR
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"eth2addr=" MK_STR(CONFIG_ETH2ADDR) "\0"
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#endif
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#ifdef CONFIG_ETH3ADDR
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"eth3addr=" MK_STR(CONFIG_ETH3ADDR) "\0"
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#endif
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#ifdef CONFIG_ETHPRIME
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"ethprime=" CONFIG_ETHPRIME "\0"
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#endif
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#ifdef CONFIG_IPADDR
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"ipaddr=" MK_STR(CONFIG_IPADDR) "\0"
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#endif
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#ifdef CONFIG_SERVERIP
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"serverip=" MK_STR(CONFIG_SERVERIP) "\0"
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#endif
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#ifdef CFG_AUTOLOAD
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"autoload=" CFG_AUTOLOAD "\0"
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#endif
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#ifdef CONFIG_ROOTPATH
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"rootpath=" MK_STR(CONFIG_ROOTPATH) "\0"
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#endif
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#ifdef CONFIG_GATEWAYIP
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"gatewayip=" MK_STR(CONFIG_GATEWAYIP) "\0"
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#endif
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#ifdef CONFIG_NETMASK
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"netmask=" MK_STR(CONFIG_NETMASK) "\0"
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#endif
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#ifdef CONFIG_HOSTNAME
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"hostname=" MK_STR(CONFIG_HOSTNAME) "\0"
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#endif
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#ifdef CONFIG_BOOTFILE
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"bootfile=" MK_STR(CONFIG_BOOTFILE) "\0"
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#endif
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#ifdef CONFIG_LOADADDR
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"loadaddr=" MK_STR(CONFIG_LOADADDR) "\0"
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#endif
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#ifdef CONFIG_PREBOOT
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"preboot=" CONFIG_PREBOOT "\0"
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#endif
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#ifdef CONFIG_CLOCKS_IN_MHZ
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"clocks_in_mhz=" "1" "\0"
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#endif
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#if defined(CONFIG_PCI_BOOTDELAY) && (CONFIG_PCI_BOOTDELAY > 0)
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"pcidelay=" MK_STR(CONFIG_PCI_BOOTDELAY) "\0"
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#endif
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#ifdef CONFIG_EXTRA_ENV_SETTINGS
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CONFIG_EXTRA_ENV_SETTINGS
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#endif
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"\0" /* Term. env_t.data with 2 NULs */
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}
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};
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#ifdef CFG_ENV_ADDR_REDUND
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env_t redundand_environment __PPCENV__ = {
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0, /* CRC Sum: invalid */
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0, /* Flags: invalid */
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{
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"\0"
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}
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};
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#endif /* CFG_ENV_ADDR_REDUND */
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/*
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* These will end up in the .text section
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* if the environment strings are embedded
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* in the image. When this is used for
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* tools/envcrc, they are placed in the
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* .data/.sdata section.
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*
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*/
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unsigned long env_size __PPCTEXT__ = sizeof(env_t);
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/*
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* Add in absolutes.
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*/
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GEN_ABS(env_offset, CFG_ENV_OFFSET);
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#endif /* ENV_IS_EMBEDDED */
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