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* nand_spl: store ecc data on the stackScott Wood2012-01-26-26/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Adapt the following patch from spl to nand_spl: Author: Stefano Babic <sbabic@denx.de> Date: Thu Dec 15 10:55:37 2011 +0100 nand_spl_simple: store ecc data on the stack Currently nand_spl_simple puts it's temp data at 0x10000 offset in SDRAM which is likely to contain already loaded data. The patch saves the oob data and the ecc on the stack replacing the fixed address in RAM. Signed-off-by: Stefano Babic <sbabic@denx.de> CC: Ilya Yanok <yanok@emcraft.com> CC: Scott Wood <scottwood@freescale.com> CC: Tom Rini <tom.rini@gmail.com> CC: Simon Schwarz <simonschwarzcor@googlemail.com> CC: Wolfgang Denk <wd@denx.de> Signed-off-by: Scott Wood <scottwood@freescale.com> While nand_spl is on its way out, in favor of spl, there are still many boards using it, and conversions are gradual. This allows us to get rid of CONFIG_SYS_NAND_ECCSTEPS and CONFIG_SYS_NAND_ECCTOTAL now, which would otherwise be likely to linger unreferenced after a conversion. It also eliminates a temporary error in the hawkboard_nand build, since the spl version of the patch removed ECCSTEPS/TOTAL from hawkboard.h, but the spl conversion is pending (and may be merged via a different tree). Signed-off-by: Scott Wood <scottwood@freescale.com>
* nand_spl/nand_boot.c: Fix build warningAnatolij Gustschin2011-12-07-2/+1
| | | | | | | | | | Fix: nand_boot.c: In function 'nand_read_page': nand_boot.c:150:6: warning: variable 'stat' set but not used [-Wunused-but-set-variable] Signed-off-by: Anatolij Gustschin <agust@denx.de> Signed-off-by: Scott Wood <scottwood@freescale.com>
* nand_boot.c: Fix GCC 4.6 build warningsStefan Roese2011-11-16-5/+3
| | | | | | | | | | Fix: nand_boot.c: In function 'nand_read_page': nand_boot.c:190:6: warning: variable 'stat' set but not used [-Wunused-but-set-variable] nand_boot.c: In function 'nand_boot': nand_boot.c:271:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable] Signed-off-by: Stefan Roese <sr@denx.de>
* spl, nand: add 4bit HW ecc oob first nand_read_page functionHeiko Schocher2011-10-03-0/+42
| | | | | | Signed-off-by: Heiko Schocher <hs@denx.de> cc: Scott Wood <scottwood@freescale.com> Signed-off-by: Scott Wood <scottwood@freescale.com>
* NAND: Add 16bit NAND support for the NDFCAlex Waterman2011-07-01-3/+8
| | | | | | | | | | | | | | | | | | | This patch adds support for 16 bit NAND devices attached to the NDFC on ppc4xx processors. Two config entries were added: CONFIG_SYS_NDFC_16 - Setting this tells the NDFC that a 16 bit device is attached. CONFIG_SYS_NDFC_EBC0_CFG - This is for the External Bus Controller configuration register. Also, a new ndfc_read_byte() function was added which does not first convert the data to little endian. The NAND SPL was also modified to do 16bit bad block testing when a 16 bit chip is being used. Signed-off-by: Alex Waterman <awaterman@dawning.com> Signed-off-by: Scott Wood <scottwood@freescale.com>
* nand_spl: nand_boot.c: Remove last CONFIG_SYS_NAND_READ_DELAY occuranceStefan Roese2011-05-16-5/+2
| | | | | | | | | | | | Remove the last CONFIG_SYS_NAND_READ_DELAY occurance from nand_boot.c. I missed this one in patch a9c847cb [nand_spl: nand_boot.c: Remove CONFIG_SYS_NAND_READ_DELAY]. This fixes a compile breakage on kilauea_nand for example. Signed-off-by: Stefan Roese <sr@denx.de> Cc: Scott Wood <scottwood@freescale.com> Signed-off-by: Scott Wood <scottwood@freescale.com>
* nand_spl: nand_boot.c: Remove CONFIG_SYS_NAND_READ_DELAYStefan Roese2011-05-13-18/+6
| | | | | | | | | | | | | | | | | | | | | | | | There are multiple reasons why this define should be removed: First it saves some space and therefore fixes a problem we have on the canyonlands_nand and glacier_nand targets right now. Second, the define was hackish and would most likely not work on all board using nand_boot.c. Boards not providing a real dev_ready() function should implement a board specific function instead. I checked and it seems, that all boards using nand_boot.c right now already implement a board specific dev_ready() function. So this patch should not break any boards and will result in smaller NAND_SPL images. Signed-off-by: Stefan Roese <sr@denx.de> Cc: Scott Wood <scottwood@freescale.com> Cc: Stefano Babic <sbabic@denx.de> Cc: Sughosh Ganu <urwithsughosh@gmail.com> Cc: Sudhakar Rajashekhara <sudhakar.raj@ti.com> Tested-by: Sughosh Ganu <urwithsughosh@gmail.com> Signed-off-by: Scott Wood <scottwood@freescale.com>
* nand_spl: nand_boot.c: Init nand_chip.options to 0Stefan Roese2011-05-13-0/+1
| | | | | | | | | | | | Patch 65a9db7b [nand_spl: Fix large page nand_command()] broke nand booting on canyonlands. "options" has to be initialized to 0. If not, boards might have the NAND_BUSWIDTH_16 bit set, resulting in wrong offset calculation. Signed-off-by: Stefan Roese <sr@denx.de> Cc: Scott Wood <scottwood@freescale.com> Cc: Alex Waterman <awaterman@dawning.com> Signed-off-by: Scott Wood <scottwood@freescale.com>
* Decreases code size of the nand_splAlex Waterman2011-05-13-8/+10
| | | | | | | | | | The canyonland boards nand_spl size is just under the maximum 4KByte size. This patch decreases the size of the nand_spl to make a previous commit - commit 65a9db7be0868be91ba81b9b5bf821de82e6d9b0 - fit in the nand_spl. Signed-off-by: Alex Waterman <awaterman@dawning.com> Acked-by: Stefan Roese <sr@denx.de> Signed-off-by: Scott Wood <scottwood@freescale.com>
* nand_spl: Fix large page nand_command()Alex Waterman2011-04-15-0/+4
| | | | | | | | | | This patch changes the large page nand_command() routine to use a word offset instead of a byte offset. The 'offs' argument gets divided by 2 so that the offset passed to nand_command() is still by byte offset. Originally, the offset was not shifted and when too high an offset was requested the nand chip would attempt to read non-existent data. Signed-off-by: Alex Waterman <awaterman@dawning.com>
* Add board support for hawkboardSughosh Ganu2010-11-30-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The patch adds basic board support for TI's OMAP-L138 based Hawkboard. This board is pretty similar to the da850 EVM. Support for nand and network access is added in this version. The following bootup procedure is used. At reset, the Rom Boot Loader(RBL), initialises the ddr and the nand controllers and copies the second stage bootloader(nand_spl) to RAM. The secondary bootloader then copies u-boot from a predefined location in the nand flash to the RAM, and passes control to the u-boot image. Three config options are supported * hawkboard_config - Used to create the u-boot.bin. Tftp the u-boot.bin image to the RAM from u-boot, and flash to the nand flash at address 0xe0000. * hawkboard_nand_config - Used to generate the secondary bootloader(nand_spl) image. This creates an elf file u-boot-spl under nand_spl/. Create an AIS signed image using this file, and flash it to the nand flash at address 0x20000. The ais file should fit in one block. * hawkboard_uart_config - This is same as the first image, but with the TEXT_BASE as expected by the RBL(0xc1080000). Create the AIS Signed-off-by: Sughosh Ganu <urwithsughosh@gmail.com> Signed-off-by: Ben Gardiner <bengardiner@nanometrics.ca> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
* Remove board_init_f function from nand_boot.cSughosh Ganu2010-11-28-8/+0
| | | | | | | | | | | | | Remove the board_init_f function from nand_spl/nand_boot.c. This function is to be defined by all boards using the nand_spl functionality in their individual board directory. Currently this function was being used by the smdk6400 board. Added the board specific function definition. Signed-off-by: Sughosh Ganu <urwithsughosh@gmail.com> Acked-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
* Drop support for CONFIG_SYS_ARM_WITHOUT_RELOCWolfgang Denk2010-10-29-1/+1
| | | | | | | | | | | | | | | | When this define was introduced, the idea was to provide a soft migration path for ARM boards to get adapted to the new relocation support. However, other recent changes led to a different implementation (ELF relocation), where this no longer works. By now CONFIG_SYS_ARM_WITHOUT_RELOC does not only not help any more, but it actually hurts because it obfuscates the actual code by sprinkling it with lots of dead and non-working debris. So let's make a clean cut and drop CONFIG_SYS_ARM_WITHOUT_RELOC. Signed-off-by: Wolfgang Denk <wd@denx.de> Tested-by: Heiko Schocher <hs@denx.de> Tested-by: Reinhard Meyer <u-boot@emk-elektronik.de>
* Rename TEXT_BASE: fix merge conflictsWolfgang Denk2010-10-18-1/+2
| | | | | | | | Commit 14d0a02a "Rename TEXT_BASE into CONFIG_SYS_TEXT_BASE" missed a few places, especially for boards that were added inbetween. Fix the remaining issues. Signed-off-by: Wolfgang Denk <wd@denx.de>
* Rename TEXT_BASE into CONFIG_SYS_TEXT_BASEWolfgang Denk2010-10-18-1/+1
| | | | | | | | | | | | The change is currently needed to be able to remove the board configuration scripting from the top level Makefile and replace it by a simple, table driven script. Moving this configuration setting into the "CONFIG_*" name space is also desirable because it is needed if we ever should move forward to a Kconfig driven configuration system. Signed-off-by: Wolfgang Denk <wd@denx.de>
* ARM: add relocation supportHeiko Schocher2010-09-19-0/+7
| | | | | | | | | | | | | | | | | | | !! This breaks support for all arm boards !! To compile in old style, you must define CONFIG_SYS_ARM_WITHOUT_RELOC or you can compile with "CONFIG_SYS_ARM_WITHOUT_RELOC=1 ./MAKEALL board" !! This define will be removed soon, so convert your board to use relocation support Portions of this work were supported by funding from the CE Linux Forum. Signed-off-by: Heiko Schocher <hs@denx.de> Fix boot from NAND for non-ARM systems Signed-off-by: Wolfgang Denk <wd@denx.de>
* nand_spl: Fix cmd_ctrl usage in nand_boot.c.Scott Wood2009-07-07-7/+11
| | | | | | | | | | | | | | | | When adding large page NAND support to this file, I had a misunderstanding about the exact semantics of NAND_CTRL_CHANGE (which isn't documented anywhere I can find) -- it is apparently just a hint to drivers, which aren't required to preserve the old value for subsequent non-"change" invocations. This change makes nand_boot.c no longer assume this. Note that this happened to work by chance with some NAND drivers, which don't preserve the value, but treat 0 equivalently to NAND_CTRL_ALE. I don't have hardware to test this, so any testing is appreciated. Signed-off-by: Scott Wood <scottwood@freescale.com>
* nand_spl: read environment early, when booting from NAND using nand_splGuennadi Liakhovetski2009-07-07-0/+10
| | | | | | | | | | | | Currently, when booting from NAND using nand_spl, in the beginning the default environment is used until later in boot process the dynamic environment is read out. This way environment variables that must be interpreted early, like the baudrate or "silent", cannot be modified dynamically and remain at their default values. Fix this problem by reading out main and redundand (if used) copies of the environment in the nand_spl code. Signed-off-by: Guennadi Liakhovetski <lg@denx.de> Signed-off-by: Scott Wood <scottwood@freescale.com>
* nand_spl: Fix compile problem with board_nand_init() prototypeStefan Roese2009-01-26-2/+0
| | | | | | | | This patch removes the now obsolete and additionally wrongly defined board_nand_init() prototype from nand_spl/nand_boot.c. Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: Scott Wood <scottwood@freescale.com>
* rename CFG_ macros to CONFIG_SYSJean-Christophe PLAGNIOL-VILLARD2008-10-18-29/+29
| | | | Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* Coding Style cleanup, update CHANGELOGWolfgang Denk2008-08-14-3/+3
| | | | Signed-off-by: Wolfgang Denk <wd@denx.de>
* nand_spl: Support page-aligned read in nand_load, use chipselectGuennadi Liakhovetski2008-08-12-10/+20
| | | | | | | | | Supporting page-aligned reads doesn't incure any sinificant overhead, just a small change in the algorithm. Also replace in_8 with readb, since there is no in_8 on ARM. Signed-off-by: Guennadi Liakhovetski <lg@denx.de> Signed-off-by: Scott Wood <scottwood@freescale.com>
* NAND boot: Update large page support for current API.Scott Wood2008-08-12-30/+20
| | | | | | | Also, remove the ctrl variable in favor of passing the constants directly, and remove redundant (u8) casts. Signed-off-by: Scott Wood <scottwood@freescale.com>
* NAND boot: MPC8313ERDB supportScott Wood2008-08-12-2/+2
| | | | | | | | | Note that with older board revisions, NAND boot may only work after a power-on reset, and not after a warm reset. I don't have a newer board to test on; if you have a board with a 33MHz crystal, please let me know if it works after a warm reset. Signed-off-by: Scott Wood <scottwood@freescale.com>
* NAND: Update nand_spl driver to match updated nand subsystemStefan Roese2008-08-12-15/+19
| | | | | | | | | This patch changes the NAND booting driver nand_spl/nand_boot.c to match the new infrastructure from the updated NAND subsystem. This NAND subsystem was recently synced again with the Linux 2.6.22 MTD/NAND subsystem. Signed-off-by: Stefan Roese <sr@denx.de>
* ppc4xx/NAND_SPL: Consolidate 405 and 440 NAND booting code in start.SStefan Roese2008-06-03-6/+5
| | | | | | | | | | | | | | | | | This patch consolidates the 405 and 440 parts of the NAND booting code selected via CONFIG_NAND_SPL. Now common code is used to initialize the SDRAM by calling initdram() and to "copy/relocate" to SDRAM/OCM/etc. Only *after* running from this location, nand_boot() is called. Please note that the initsdram() call is now moved from nand_boot.c to start.S. I experienced problems with some boards like Kilauea (405EX), which don't have internal SRAM (OCM) and relocation needs to be done to SDRAM before the NAND controller can get accessed. When initdram() is called later on in nand_boot(), this can lead to problems with variables in the bss sections like nand_ecc_pos[]. Signed-off-by: Stefan Roese <sr@denx.de> Acked-by: Scott Wood <scottwood@freescale.com>
* nand_spl: Update nand_spl to support 2k page size NAND devicesStefan Roese2008-04-18-1/+63
| | | | | | | | | This patch adds support for booting from 2k page sized NAND device (e.g. Micron 29F2G08AAC). Tested on AMCC Canyonlands. Signed-off-by: Stefan Roese <sr@denx.de>
* fix various commentsMarcel Ziswiler2008-01-09-1/+1
| | | | Signed-off-by: Marcel Ziswiler <marcel@ziswiler.com>
* NAND: Add ECC support to NAND booting support in nand_spl/nand_boot.cStefan Roese2007-06-01-39/+56
| | | | | | | | | The U-Boot NAND booting support is now extended to support ECC upon loading of the NAND U-Boot image. Tested on AMCC Sequoia (440EPx) and Bamboo (440EP). Signed-off-by: Stefan Roese <sr@denx.de>
* Coding style cleanupWolfgang Denk2006-10-09-2/+2
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* Add NAND environment support for PPC440EPx Sequoia NAND boot configStefan Roese2006-09-12-2/+1
| | | | Patch by Stefan Roese, 12 Sep 2006
* Add support for AMCC Sequoia PPC440EPx eval boardStefan Roese2006-09-07-0/+178
- Add support for PPC440EPx & PPC440GRx - Add support for PPC440EP(x)/GR(x) NAND controller in cpu/ppc4xx directory - Add NAND boot functionality for Sequoia board, please see doc/README.nand-boot-ppc440 for details - This Sequoia NAND image doesn't support environment in NAND for now. This will be added in a short while. Patch by Stefan Roese, 07 Sep 2006
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