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Kumar Gala dd50af2515 powerpc/8xxx: Add hwconfig APIs to address early parsing used by DDR init 
There are several users of the hwconfig APIs (8xxx DDR) before we have
the environment properly setup.  This causes issues because of the
numerous ways the environment might be accessed because of the
non-volatile memory it might be stored in.  Additionally the access
might be so early that memory isn't even properly setup for us.

Towards resolving these issues we provide versions of all the hwconfig
APIs that can be passed in a buffer to parse and leave it to the caller
to determine how to allocate and populate the buffer.

We use the _f naming convention for these new APIs even though they are
perfectly useable after relocation and the environment being ready.

We also now warn if the non-f APIs are called before the environment is
ready to allow users to address the issues.

Finally, we convert the 8xxx DDR code to utilize the new APIs to
hopefully address the issue once and for all.  We have the 8xxx DDR code
create a buffer on the stack and populate it via getenv_f().

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Wolfgang Denk <wd@denx.de>
 		2011-01-19 22:58:23 -06:00
..
Makefile config_cmd_defaults.h: new header for common u-boot command defaults 2011-01-09 18:01:03 +01:00
bedbug.c common: Move conditional compilation to Makefile 2008-08-13 01:40:38 +02:00
cmd_ambapp.c various cmd_* files: fixed layout a little bit 2010-08-09 01:07:37 +02:00
cmd_bdinfo.c Drop support for CONFIG_SYS_ARM_WITHOUT_RELOC 2010-10-29 21:39:59 +02:00
cmd_bedbug.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_bmp.c Replace CONFIG_RELOC_FIXUP_WORKS by CONFIG_NEEDS_MANUAL_RELOC 2010-10-29 21:32:07 +02:00
cmd_boot.c do_reset: unify duplicate prototypes 2010-11-28 21:47:24 +01:00
cmd_bootldr.c various cmd_* files: fixed layout a little bit 2010-08-09 01:07:37 +02:00
cmd_bootm.c load_addr: move to common env code 2011-01-09 18:02:06 +01:00
cmd_cache.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_console.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_cplbinfo.c various cmd_* files: fixed layout a little bit 2010-08-09 01:07:37 +02:00
cmd_cramfs.c various cmd_* files: remove the command name from the help message 2010-08-09 01:06:34 +02:00
cmd_dataflash_mmc_mux.c various cmd_* files: remove the command name from the help message 2010-08-09 01:06:34 +02:00
cmd_date.c cmd_date: constify 2010-11-28 21:58:24 +01:00
cmd_dcr.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_df.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_diag.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_display.c led_display: split led display support into generic and hw-dependent parts 2010-10-12 22:44:33 +02:00
cmd_dtt.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_echo.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_eeprom.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_elf.c cmd_elf: add an option for loading ELFs according to PHDRs 2010-10-06 22:42:14 +02:00
cmd_exit.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_ext2.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_fat.c fs/fat: Big code cleanup. 2010-07-24 20:54:46 +02:00
cmd_fdc.c Revert "boot cmds: convert to getenv_yesno() with autostart" 2011-01-11 20:56:34 +01:00
cmd_fdos.c Revert "boot cmds: convert to getenv_yesno() with autostart" 2011-01-11 20:56:34 +01:00
cmd_fdt.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_flash.c CONFIG_CMD_JFFS2 is not necessary to use mtdparts on erase & protect on/off 2010-10-12 21:02:55 +02:00
cmd_fpga.c cmd_fpga: cleanup help and check parameters 2010-10-19 23:52:45 +02:00
cmd_help.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_i2c.c Replace CONFIG_RELOC_FIXUP_WORKS by CONFIG_NEEDS_MANUAL_RELOC 2010-10-29 21:32:07 +02:00
cmd_ide.c Revert "boot cmds: convert to getenv_yesno() with autostart" 2011-01-11 20:56:34 +01:00
cmd_immap.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_irq.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_itest.c cmd_itest: constify & localize op table 2010-11-28 21:58:26 +01:00
cmd_jffs2.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_license.c various cmd_* files: fixed layout a little bit 2010-08-09 01:07:37 +02:00
cmd_load.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_log.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_mac.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_mem.c cmd_mem: localize state variables 2011-01-09 18:03:10 +01:00
cmd_mfsl.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_mgdisk.c various cmd_* files: remove the command name from the help message 2010-08-09 01:06:34 +02:00
cmd_mii.c miiphy: convert to linux/mii.h 2011-01-09 18:06:50 +01:00
cmd_misc.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_mmc.c cmd_mmc: use common usage function 2010-09-21 21:37:08 +02:00
cmd_mp.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_mtdparts.c Followup fixes on the mtdparts spread patchset 2010-10-11 15:11:01 -05:00
cmd_nand.c NAND: add the ability to directly write yaffs image 2011-01-12 17:13:10 -06:00
cmd_net.c Revert "boot cmds: convert to getenv_yesno() with autostart" 2011-01-11 20:56:34 +01:00
cmd_nvedit.c load_addr: move to common env code 2011-01-09 18:02:06 +01:00
cmd_onenand.c onenand: add yaffs write command 2010-12-17 14:32:12 -06:00
cmd_otp.c Blackfin: otp: fix build after constification of args[] 2010-10-02 16:00:40 -04:00
cmd_pci.c pci: Clean up PCI info when CONFIG_PCI_SCAN_SHOW 2010-11-14 23:46:46 +01:00
cmd_pcmcia.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_portio.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_reginfo.c mpc85xx: Add reginfo command 2010-07-16 10:55:09 -05:00
cmd_reiser.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_sata.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_scsi.c Revert "boot cmds: convert to getenv_yesno() with autostart" 2011-01-11 20:56:34 +01:00
cmd_setexpr.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_sf.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_source.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_spi.c sspi: add options to specify bus and mode 2010-10-06 20:50:38 -04:00
cmd_spibootldr.c various cmd_* files: fixed layout a little bit 2010-08-09 01:07:37 +02:00
cmd_strings.c various cmd_* files: fixed layout a little bit 2010-08-09 01:07:37 +02:00
cmd_terminal.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_test.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_tsi148.c TSI148: Fix argument parsing 2010-10-12 23:31:10 +02:00
cmd_ubi.c UBI/UBIFS: Automatically unmount UBIFS volume upon UBI partition change 2010-12-03 18:24:04 +01:00
cmd_ubifs.c UBI/UBIFS: Automatically unmount UBIFS volume upon UBI partition change 2010-12-03 18:24:04 +01:00
cmd_universe.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_usb.c Revert "boot cmds: convert to getenv_yesno() with autostart" 2011-01-11 20:56:34 +01:00
cmd_version.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
cmd_vfd.c cmd_usage(): simplify return code handling 2010-07-24 20:43:57 +02:00
cmd_ximg.c various cmd_* files: fixed layout a little bit 2010-08-09 01:07:37 +02:00
cmd_yaffs2.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
command.c env: re-add support for auto-completion 2011-01-09 17:57:37 +01:00
console.c stdio: constify "name" arg in public api 2010-11-28 21:58:48 +01:00
ddr_spd.c Enabled support for Rev 1.3 SPD for DDR2 DIMMs 2010-05-12 04:54:30 -05:00
dlmalloc.c malloc: Fix issue with calloc memory possibly being non-zero 2010-11-17 22:06:40 +01:00
dlmalloc.src * Code cleanup: 2003-06-27 21:31:46 +00:00
env_common.c env: re-add support for auto-completion 2011-01-09 17:57:37 +01:00
env_dataflash.c hashtable: drop all non-reentrant versions 2010-12-17 21:07:14 +01:00
env_eeprom.c hashtable: drop all non-reentrant versions 2010-12-17 21:07:14 +01:00
env_embedded.c Revert "env: only build env_embedded and envcrc when needed" 2009-10-27 20:46:31 +01:00
env_flash.c hashtable: drop all non-reentrant versions 2010-12-17 21:07:14 +01:00
env_mgdisk.c New implementation for internal handling of environment variables. 2010-09-19 19:29:48 +02:00
env_mmc.c hashtable: drop all non-reentrant versions 2010-12-17 21:07:14 +01:00
env_nand.c hashtable: drop all non-reentrant versions 2010-12-17 21:07:14 +01:00
env_nowhere.c New implementation for internal handling of environment variables. 2010-09-19 19:29:48 +02:00
env_nvram.c hashtable: drop all non-reentrant versions 2010-12-17 21:07:14 +01:00
env_onenand.c hashtable: drop all non-reentrant versions 2010-12-17 21:07:14 +01:00
env_sf.c hashtable: drop all non-reentrant versions 2010-12-17 21:07:14 +01:00
exports.c Remove support for CONFIG_HAS_UID and "forceenv" command 2010-09-19 19:29:47 +02:00
fdt_support.c Fix compiler warning in fdt_support.c 2010-11-28 12:41:53 +01:00
flash.c cfi_flash: Simplify dynamic flash bank number detection 2010-09-20 15:08:51 +02:00
hush.c do_reset: unify duplicate prototypes 2010-11-28 21:47:24 +01:00
hwconfig.c powerpc/8xxx: Add hwconfig APIs to address early parsing used by DDR init 2011-01-19 22:58:23 -06:00
image.c image: constify lookup tables 2010-11-28 21:58:27 +01:00
iomux.c stdio/device: rework function naming convention 2009-07-18 00:27:46 +02:00
kallsyms.c Add support for Linux-like kallsysms 2009-06-12 20:45:48 +02:00
kgdb.c Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
kgdb_stubs.c kgdb: add default generic stubs 2010-01-18 00:23:00 +01:00
lcd.c Enable PXAFB for PXA27X and PXA3XX 2010-07-14 22:41:39 +02:00
lynxkdi.c Fix implicit declaration of function 'eth_[gs]etenv_enetaddr' 2009-03-28 20:16:16 +01:00
main.c cmd editing: mark erase/tab seqs constant 2011-01-09 18:03:58 +01:00
memsize.c Sequential accesses to non-existent memory must be synchronized, 2006-11-06 17:06:36 +01:00
miiphyutil.c miiphy: convert to linux/mii.h 2011-01-09 18:06:50 +01:00
modem.c make MODEM SUPPORT generic instead of duplicate it 2009-06-12 20:45:47 +02:00
s_record.c Initial revision 2002-08-17 09:36:01 +00:00
serial.c Replace CONFIG_RELOC_FIXUP_WORKS by CONFIG_NEEDS_MANUAL_RELOC 2010-10-29 21:32:07 +02:00
stdio.c stdio: constify "name" arg in public api 2010-11-28 21:58:48 +01:00
system_map.c Add support for Linux-like kallsysms 2009-06-12 20:45:48 +02:00
update.c rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
usb.c USB: usb_control_msg wait for driver ISR to set status. 2010-02-03 22:06:59 +01:00
usb_kbd.c USB Consolidate descriptor definitions 2009-12-20 12:47:37 +01:00
usb_storage.c usb_storage: constify us_direction lookup table 2010-10-22 21:41:46 +02:00
xyzModem.c common: fix 'dummy' is used uninitialized in this function warning 2009-07-19 21:37:02 +02:00