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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
..
asm-generic x86: Fix support for booting bzImage 2010-05-06 00:17:01 +02:00
bedbug Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
configs powerpc/85xx: Move RESET_VECTOR_ADDRESS into config.h 2011-01-19 22:58:23 -06:00
cramfs Fix endianess problem in cramfs code (cramfs is always host-endian in Linux) 2008-03-03 22:08:08 +01:00
galileo rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
jffs2 fdt_support: add partitions fixup in mtd node 2010-03-21 22:44:59 +01:00
linux mtd: nand: Allow caller to pass alternative ID table to nand_scan_ident() 2011-01-12 17:13:10 -06:00
lzma Rename lib_generic/ to lib/ 2010-04-13 09:13:04 +02:00
mtd cfi_flash: Add optional config register write to cfi-detection 2010-12-17 09:56:05 +01:00
pcmcia
u-boot Rename lib_generic/ to lib/ 2010-04-13 09:13:04 +02:00
usb Fix building for 83xx boards with USB support 2010-10-21 20:00:41 +02:00
.gitignore update include/asm/ gitignore after move 2010-05-07 00:17:30 +02:00
74xx_7xx.h powerpc: Move duplicated BAT defines to mmu.h 2009-02-10 00:27:40 +01:00
_exports.h Remove support for CONFIG_HAS_UID and "forceenv" command 2010-09-19 19:29:47 +02:00
ACEX1K.h fpga: Remove relocation fixups 2009-10-03 10:17:56 +02:00
addr_map.h Introduce addr_map library 2008-12-15 22:05:36 +01:00
ahci.h Update Freescale copyrights to remove "All Rights Reserved" 2009-07-29 09:59:22 +02:00
ali512x.h Move ali512x.h 2009-03-20 22:39:13 +01:00
altera.h fpga: Remove relocation fixups 2009-10-03 10:17:56 +02:00
amba_clcd.h video: add amba-clcd prime-cell 2010-01-27 21:23:14 +01:00
ambapp.h Coding Style cleanup; update CHANGELOG 2008-04-13 09:59:26 -07:00
api_public.h API: Improve glue mid-layer of the API demo application. 2009-02-18 00:39:44 +01:00
arm925t.h [PATCH] omap925.c: Remove unused functions 2006-10-28 17:13:12 +02:00
armcoremodule.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
asm-offsets.h Replace CONFIG_SYS_GBL_DATA_SIZE by auto-generated value 2010-10-26 21:05:30 +02:00
at45.h at91: rename DATAFLASH_MMC_SELECT to CONFIG_DATAFLASH_MMC_SELECT 2009-04-04 20:42:19 +02:00
at91rm9200_i2c.h
at91rm9200_net.h
ata.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
atmel_lcdc.h Add ATMEL LCD driver 2008-05-10 11:44:55 +02:00
bcd.h Replace BCD2BIN and BIN2BCD macros with inline functions 2009-08-25 12:57:55 +02:00
bcm5221.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
bmp_layout.h
bus_vcxk.h new video driver for bus vcxk framebuffers 2009-07-26 13:17:21 +02:00
bzlib.h
circbuf.h
clps7111.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
command.h autocomplete: remove runtime handler install 2010-11-28 21:49:27 +01:00
common.h env: re-add support for auto-completion 2011-01-09 17:57:37 +01:00
commproc.h CCM: remove code for yet another corpse 2010-10-06 22:22:26 +02:00
compiler.h include/compiler.h: remove uint typedef for __MACH__ 2010-10-06 23:09:42 +02:00
config_cmd_all.h rarp: Condtionally compile rarp support 2010-10-11 23:00:29 -07:00
config_cmd_default.h Add 'editenv' command 2009-10-27 20:58:25 +01:00
config_cmd_defaults.h config_cmd_defaults.h: new header for common u-boot command defaults 2011-01-09 18:01:03 +01:00
config_defaults.h Add support for operating system OSE 2010-09-28 14:42:26 +02:00
crc.h Some code cleanup 2006-04-16 10:51:58 +02:00
da9030.h This patch adds USB storage support for the delta board. This is the first 2006-05-22 16:33:54 +02:00
dataflash.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
ddr_spd.h powerpc/8xxx: Enable DDR3 RDIMM support 2010-07-26 13:16:10 -05:00
div64.h Add a do_div() wrapper macro, lldiv(). 2009-01-24 00:23:09 +01:00
dm9000.h Add config option for disabling DM9000-SROM support. 2009-06-08 22:57:21 -07:00
dm9161.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
dp83848.h [ARM] TI DaVinci support, hopefully final 2007-08-10 20:26:18 +02:00
ds1722.h Misc ds1722 fixups 2009-09-04 21:54:52 +02:00
ds4510.h Add support for Maxim's DS4510 I2C device 2009-01-24 01:47:50 +01:00
dtt.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
e500.h ppc/p4080: Determine various chip frequencies on CoreNet platforms 2009-09-24 12:05:29 -05:00
elf.h compiler.h: unify system ifdef cruft here 2009-07-19 21:41:46 +02:00
environment.h hashtable: drop all non-reentrant versions 2010-12-17 21:07:14 +01:00
errno.h Add basic errno support. 2010-09-19 19:29:47 +02:00
exports.h do_reset: unify duplicate prototypes 2010-11-28 21:47:24 +01:00
ext2fs.h ext2: constify file/dir names 2010-12-09 10:24:09 +01:00
fat.h VFAT: fix processing of scattered long file name entries 2010-10-12 22:39:14 +02:00
fdc.h
fdt.h powerpc: Fix bootm to boot up again with a Ramdisk 2008-09-13 02:03:38 +02:00
fdt_support.h FDT: Add fixup support for multiple banks of memory 2010-10-18 22:50:53 +02:00
fis.h ata: add the fis struct for SATA 2008-03-26 23:38:54 +01:00
flash.h cfi_flash: Simplify dynamic flash bank number detection 2010-09-20 15:08:51 +02:00
fpga.h FPGA: add support for downloading Lattice bitstream 2010-10-13 18:09:31 +02:00
fsl_diu_fb.h fsl_diu_fb: further refactoring of FSL DIU code 2010-09-25 13:10:03 +02:00
fsl_esdhc.h ppc/85xx: PIO Support for FSL eSDHC Controller Driver 2010-04-23 21:02:30 -05:00
fsl_nfc.h Add MX25 support to nand_spl fsl nfc driver 2010-01-27 14:22:41 -06:00
fsl_pmic.h MX: Added Freescale Power Management Driver 2010-05-05 09:48:41 +02:00
hush.h hush: add showvar command for hush shell. 2008-10-18 21:54:02 +02:00
hwconfig.h powerpc/8xxx: Add hwconfig APIs to address early parsing used by DDR init 2011-01-19 22:58:23 -06:00
i2c.h fsl_i2c: Added a callpoint for i2c_board_late_init 2010-04-19 07:46:35 +02:00
i8042.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
ide.h mucmc52, uc101: delete ata@3a00 node, if no CF card is detected 2009-09-25 01:22:13 +02:00
image.h image: constify lookup tables 2010-11-28 21:58:27 +01:00
iomux.h stdio: constify "name" arg in public api 2010-12-09 10:24:09 +01:00
ioports.h Stop using immap_t for cpm offset on 85xx 2007-12-11 22:34:19 -06:00
keyboard.h
kgdb.h Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
ks8721.h Add support for Eukrea CPUAT91 SBC 2009-10-13 06:17:35 -05:00
lattice.h Coding Style cleanup 2010-10-27 22:48:30 +02:00
lcd.h atmel_lcd: Allow contrast polarity to be either positive or negative 2010-09-25 15:22:51 +02:00
lcdvideo.h
led-display.h led_display: remove unused DISPLAY_MARK define 2010-10-21 22:25:04 +02:00
lh7a40x.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
lh7a400.h
lh7a404.h
libata.h ata: update the libata.h from ata.h of linux kernel 2008-04-13 23:20:16 -07:00
libfdt.h libfdt: Fix C++ compile-time cast error on gnu 4.2.1 2009-04-01 19:30:27 -04:00
libfdt_env.h compiler.h: unify system ifdef cruft here 2009-07-19 21:41:46 +02:00
linux_logo.h
lmb.h lmb: only force on arches that use it 2010-01-21 22:26:00 +01:00
logbuff.h Avoid initrd and logbuffer area overlaps 2008-06-03 19:34:19 +02:00
lpd7a400_cpld.h
lxt971a.h Remove duplicate definitions in include/lxt971a.h. 2008-07-06 23:44:34 -07:00
lynxkdi.h
malloc.h Consolidate arch-specific mem_malloc_init() implementations 2009-09-04 21:47:07 +02:00
mb862xx.h video: mb862xx: improve board-specific Lime configuration 2009-10-31 12:13:28 +01:00
mc13892.h mx51evk: Fix 2 hours reset issue 2010-10-28 11:42:34 +02:00
MCD_dma.h ColdFire: Add MCF547x_8x dma code and header files 2008-01-17 14:59:42 -06:00
MCD_progCheck.h ColdFire: Add MCF547x_8x dma code and header files 2008-01-17 14:59:42 -06:00
MCD_tasksInit.h ColdFire: Add MCF547x_8x dma code and header files 2008-01-17 14:59:42 -06:00
mg_disk.h mflash: Initial mflash support 2009-04-03 23:47:06 +02:00
mii_phy.h
miiphy.h miiphy: convert to linux/mii.h 2011-01-09 18:06:50 +01:00
mk48t59.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
mmc.h fsl_esdhc: Use mmc_set_clock to set initial speed 2010-12-18 23:15:21 +01:00
mpc5xx.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
mpc5xxx.h A4M072: Added support for the board. 2010-10-12 22:44:33 +02:00
mpc5xxx_sdma.h Move MPC5xxx_FEC driver to drivers/net 2008-08-29 13:58:07 -06:00
mpc8xx.h Coding stylke cleanup; rebuild CHANGELOG 2007-06-22 23:59:00 +02:00
mpc8xx_irq.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
mpc83xx.h 83xx: Remove warmboot parameter from PCI init functions 2010-09-23 21:14:42 +02:00
mpc85xx.h 83xx/85xx/86xx: LBC register cleanup 2010-07-16 10:55:09 -05:00
mpc86xx.h mpc86xx: set the DDR BATs after calculating true DDR size 2010-03-30 10:50:22 -05:00
mpc106.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
mpc824x.h powerpc: Move duplicated BAT defines to mmu.h 2009-02-10 00:27:40 +01:00
mpc8220.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
mpc8260.h Coding stylke cleanup; rebuild CHANGELOG 2007-06-22 23:59:00 +02:00
mpc8260_irq.h
mtd_node.h fdt_support: add partitions fixup in mtd node 2010-03-21 22:44:59 +01:00
mvmfp.h gpio: Add Multi-Function-Pin configuration driver for Marvell SoCs 2010-12-16 23:02:43 +01:00
mxc_gpio.h Use common function to set GPIOs for MX3 and MX5 2010-09-29 11:24:30 +02:00
nand.h NAND: add the ability to directly write yaffs image 2011-01-12 17:13:10 -06:00
net.h string_to_ip: constify "s" arg 2010-11-28 21:56:39 +01:00
netdev.h ftgmac100: support of gigabit eth ftgmac100 2011-01-09 22:16:51 +01:00
nios2-epcs.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
nios2-io.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
nios2-yanu.h nios2: Added support to YANU UART 2010-03-21 22:44:42 +01:00
nios2.h
nomadik.h include/nomadik.h: add physical address for cldc 2010-01-27 21:23:23 +01:00
ns7520_eth.h Remove duplicate definitions in include/lxt971a.h. 2008-07-06 23:44:34 -07:00
ns9750_bbus.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
ns9750_eth.h Remove duplicate definitions in include/lxt971a.h. 2008-07-06 23:44:34 -07:00
ns9750_mem.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
ns9750_ser.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
ns9750_sys.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
ns16550.h Move arch/ppc to arch/powerpc 2010-04-21 23:42:38 +02:00
ns87308.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
onenand_uboot.h Flex-OneNAND driver support 2009-11-13 16:56:18 -06:00
part.h mflash: Initial mflash support 2009-04-03 23:47:06 +02:00
pc_keyb.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
pca953x.h Add support for PCA953x I2C gpio devices 2008-12-19 18:11:49 -06:00
pca9564.h Prepare v2010.03-rc1 2010-03-12 23:06:04 +01:00
pci.h powerpc/fsl-pci: Determine pci_controller based on cfg addr for dts fixup 2011-01-14 01:32:19 -06:00
pci_ids.h Added PCI_DEVICE_ID_PLX_9030. 2010-11-28 22:48:45 +01:00
pcmcia.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
post.h powerpc/8xxx: Fix _POST_WORD_ADDR on 85xx & 86xx systems 2010-12-01 06:45:23 -06:00
ppc_asm.tmpl powerpc: fix wrong comment at GOT definitions 2010-06-29 23:03:40 +02:00
ppc_defs.h
ps2mult.h Rename common ns16550 constants with UART_ prefix to prevent conflicts 2009-04-03 22:34:07 +02:00
radeon.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
reiserfs.h
rtc.h Switch from per-driver to common definition of bin2bcd and bcd2bin 2009-08-25 12:57:55 +02:00
s6e63d6.h A driver for the S6E63D6 SPI display controller from Samsung 2009-02-24 10:00:28 +01:00
s_record.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
SA-1100.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
sata.h SATA: do not auto-initialize during boot 2009-01-27 23:42:39 +01:00
scsi.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
search.h env: re-add support for auto-completion 2011-01-09 17:57:37 +01:00
sed156x.h
sed13806.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
serial.h Merge branch 'master' of git://git.denx.de/u-boot-samsung 2010-09-08 00:03:22 +02:00
sha1.h Add support for calculating hashes with watchdog triggering 2008-04-25 00:01:06 +02:00
sha256.h include/sha256.h: fix file permissions. 2008-07-06 01:21:46 +02:00
sja1000.h Add minimal SJA1000 header for basic CAN mode 2009-11-17 13:19:58 +01:00
sm501.h
smiLynxEM.h
spartan2.h fpga: Remove relocation fixups 2009-10-03 10:17:56 +02:00
spartan3.h add Xilinx_abort_fn to Xilinx_Spartan3_Slave_Serial_fns 2010-12-09 10:24:10 +01:00
spd.h
spd_sdram.h
spi.h Move conditional compilation of MPC8XXX SPI driver to Makefile 2008-07-01 21:02:11 +02:00
spi_flash.h spi_flash.h: pull in linux/types.h for u## types 2009-11-24 23:40:39 +01:00
status_led.h CCM: remove code for yet another corpse 2010-10-06 22:22:26 +02:00
stdio_dev.h stdio: constify "name" arg in public api 2010-12-09 10:24:09 +01:00
stratixII.h fpga: Remove relocation fixups 2009-10-03 10:17:56 +02:00
sym53c8xx.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
systemace.h
timestamp.h Update U-Boot's build timestamp on every compile 2008-12-06 23:36:43 +01:00
tsec.h miiphy: convert to linux/mii.h 2011-01-09 18:06:50 +01:00
tsi108.h Clean up the code according to codestyle: 2006-12-01 11:47:36 +08:00
tsi148.h Add support for the Tundra TSI148 VME-bridge 2009-07-19 11:21:08 +02:00
twl4030.h ARMV7: OMAP: add convenience function to set TWL4030 regulator voltages 2010-09-08 14:50:23 -04:00
twl6030.h ARMV7: OMAP4: twl6030 add battery charging support 2010-12-11 10:56:01 -05:00
tws.h drivers/twserial: Add protocol driver for "three wire serial" interface. 2009-03-30 09:38:36 +02:00
ubi_uboot.h UBI: Fix problem in UBI/Linux "compatibility layer" 2010-05-19 10:57:24 +02:00
universe.h
usb.h musb: MSC host support for AM35x 2010-08-12 16:40:00 +02:00
usb_cdc_acm.h Code cleanup 2006-06-14 18:14:56 +02:00
usb_defs.h Prepare USB layer for ehci 2009-01-28 19:57:27 +01:00
usbdescriptors.h USB add macros for debugging usb device setup. 2009-12-20 12:47:37 +01:00
usbdevice.h USB add macros for debugging usb device setup. 2009-12-20 12:47:37 +01:00
version.h Makefile: fix "error: version_autogenerated.h: No such file or directory" 2008-05-13 23:15:52 +02:00
vfd_logo.h
video.h
video_ad7176.h
video_ad7177.h
video_ad7179.h
video_easylogo.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
video_fb.h video: cleanup comments in cfb_console.c and video_fb.h 2010-07-17 00:05:14 +02:00
video_font.h
video_logo.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
virtex2.h fpga: Remove relocation fixups 2009-10-03 10:17:56 +02:00
vsc7385.h Cleanup coding style, update CHANGELOG 2008-03-26 11:48:46 +01:00
vxworks.h Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
w83c553f.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
watchdog.h nios: remove nios-32 arch 2010-05-28 10:56:04 -04:00
xilinx.h add block write function to spartan3 slave serial load 2010-03-24 11:08:43 -05:00
xyzModem.h More code cleanup 2006-07-21 15:24:56 +02:00