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* Rename getenv_r() into getenv_f()Wolfgang Denk2010-08-04-1/+1
| | | | | | | | | | | | | | | | | | | While running from flash, i. e. before relocation, we have only a limited C runtime environment without writable data segment. In this phase, some configurations (for example with environment in EEPROM) must not use the normal getenv(), but a special function. This function had been called getenv_r(), with the idea that the "_r" suffix would mean the same as in the _r_eentrant versions of some of the C library functions (for example getdate vs. getdate_r, getgrent vs. getgrent_r, etc.). Unfortunately this was a misleading name, as in U-Boot the "_r" generally means "running from RAM", i. e. _after_ relocation. To avoid confusion, rename into getenv_f() [as "running from flash"] Signed-off-by: Wolfgang Denk <wd@denx.de> Acked-by: Detlev Zundel <dzu@denx.de>
* Make sure that argv[] argument pointers are not modified.Wolfgang Denk2010-07-04-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The hush shell dynamically allocates (and re-allocates) memory for the argument strings in the "char *argv[]" argument vector passed to commands. Any code that modifies these pointers will cause serious corruption of the malloc data structures and crash U-Boot, so make sure the compiler can check that no such modifications are being done by changing the code into "char * const argv[]". This modification is the result of debugging a strange crash caused after adding a new command, which used the following argument processing code which has been working perfectly fine in all Unix systems since version 6 - but not so in U-Boot: int main (int argc, char **argv) { while (--argc > 0 && **++argv == '-') { /* ====> */ while (*++*argv) { switch (**argv) { case 'd': debug++; break; ... default: usage (); } } } ... } The line marked "====>" will corrupt the malloc data structures and usually cause U-Boot to crash when the next command gets executed by the shell. With the modification, the compiler will prevent this with an error: increment of read-only location '*argv' N.B.: The code above can be trivially rewritten like this: while (--argc > 0 && **++argv == '-') { char *arg = *argv; while (*++arg) { switch (*arg) { ... Signed-off-by: Wolfgang Denk <wd@denx.de> Acked-by: Mike Frysinger <vapier@gentoo.org>
* move prototypes for gunzip() and zunzip() to common.hWolfgang Wegner2009-12-21-1/+0
| | | | | | | | Prototype for gunzip/zunzip was only in lib_generic/gunzip.c and thus repeated in every file using it. This patch moves the prototypes to common.h and removes all prototypes distributed anywhere else. Signed-off-by: Wolfgang Wegner <w.wegner@astro-kom.de>
* ppc4xx: Convert PPC4xx UIC defines from lower case to upper caseStefan Roese2009-09-28-9/+9
| | | | | | | The latest PPC4xx register cleanup patch missed the UIC defines. This patch now changes lower case UIC defines to upper case. Signed-off-by: Stefan Roese <sr@denx.de>
* ppc4xx: Big cleanup of PPC4xx definesStefan Roese2009-09-11-11/+11
| | | | | | | | | | | | | | | | This patch cleans up multiple issues of the 4xx register (mostly DCR, SDR, CPR, etc) definitions: - Change lower case defines to upper case (plb4_acr -> PLB4_ACR) - Change the defines to better match the names from the user's manuals (e.g. cprpllc -> CPR0_PLLC) - Removal of some unused defines Please test this patch intensive on your PPC4xx platform. Even though I tried not to break anything and tested successfully on multiple 4xx AMCC platforms, testing on custom platforms is recommended. Signed-off-by: Stefan Roese <sr@denx.de>
* General help message cleanupWolfgang Denk2009-06-12-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Many of the help messages were not really helpful; for example, many commands that take no arguments would not print a correct synopsis line, but "No additional help available." which is not exactly wrong, but not helpful either. Commit ``Make "usage" messages more helpful.'' changed this partially. But it also became clear that lots of "Usage" and "Help" messages (fields "usage" and "help" in struct cmd_tbl_s respective) were actually redundant. This patch cleans this up - for example: Before: => help dtt dtt - Digital Thermometer and Thermostat Usage: dtt - Read temperature from digital thermometer and thermostat. After: => help dtt dtt - Read temperature from Digital Thermometer and Thermostat Usage: dtt Signed-off-by: Wolfgang Denk <wd@denx.de>
* ppc4xx: Use correct io accessors for esd 405 boardsMatthias Fuchs2009-03-20-4/+4
| | | | | | | | | This patch replaces in/out8/16/32 macros by in/out_8/_be16/_be32 macros. Also volatile pointer references are replaced by the new accessors. Signed-off-by: Matthias Fuchs <matthias.fuchs@esd.eu> Signed-off-by: Stefan Roese <sr@denx.de>
* Command usage cleanupPeter Tyser2009-01-28-3/+3
| | | | | | | | Remove command name from all command "usage" fields and update common/command.c to display "name - usage" instead of just "usage". Also remove newlines from command usage fields. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
* ppc4xx: Disable pci node in device tree on CPCI405 pci adaptersMatthias Fuchs2009-01-14-0/+24
| | | | | Signed-off-by: Matthias Fuchs <matthias.fuchs@esd-electronics.com> Signed-off-by: Stefan Roese <sr@denx.de>
* ppc4xx: Cleanup CPCI405 board codeMatthias Fuchs2009-01-14-163/+144
| | | | | | | | | | | | This patch cleans up CPCI405 board support: - wrap long lines - unification of spaces in function calls - remove dead code Use correct io accessors on peripherals. Signed-off-by: Matthias Fuchs <matthias.fuchs@esd-electronics.com> Signed-off-by: Stefan Roese <sr@denx.de>
* rename CFG_ macros to CONFIG_SYSJean-Christophe PLAGNIOL-VILLARD2008-10-18-23/+23
| | | | Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* rename CFG_ENV macros to CONFIG_ENVJean-Christophe PLAGNIOL-VILLARD2008-09-10-8/+8
| | | | Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* ppc4xx: Remove obsolete or unused functions from some esd boardsMatthias Fuchs2008-09-03-19/+0
| | | | | | | | | This patch removes initdram() and testdram() from most esd 405 platforms. Some boards also have an empty dummy implementation of misc_init_f(). This is also removed. Signed-off-by: Matthias Fuchs <matthias.fuchs@esd-electronics.com> Signed-off-by: Stefan Roese <sr@denx.de>
* Change initdram() return type to phys_size_tBecky Bruce2008-06-12-1/+1
| | | | | | | | | | | | | | | | | | | This patch changes the return type of initdram() from long int to phys_size_t. This is required for a couple of reasons: long int limits the amount of dram to 2GB, and u-boot in general is moving over to phys_size_t to represent the size of physical memory. phys_size_t is defined as an unsigned long on almost all current platforms. This patch *only* changes the return type of the initdram function (in include/common.h, as well as in each board's implementation of initdram). It does not actually modify the code inside the function on any of the platforms; platforms which wish to support more than 2GB of DRAM will need to modify their initdram() function code. Build tested with MAKEALL for ppc, arm, mips, mips-el. Booted on powerpc MPC8641HPCN. Signed-off-by: Becky Bruce <becky.bruce@freescale.com>
* Coding style cleanup; update CHANGELOG.Wolfgang Denk2007-07-10-44/+24
| | | | Signed-off-by: Wolfgang Denk <wd@denx.de>
* ppc4xx: Add pci_pre_init() for 405 boardsStefan Roese2007-06-25-2/+2
| | | | | | | | This patch removes the CFG_PCI_PRE_INIT option completely, since it's not needed anymore with the patch from Matthias Fuchs with the "weak" pci_pre_init() implementation. Signed-off-by: Stefan Roese <sr@denx.de>
* ppc4xx: Maintenance patch for esd's CPCI405 derivatsMatthias Fuchs2007-06-25-21/+55
| | | | | | | | | -add pci_pre_init() for pci interrupt fixup code -disable phy sleep mode via reset_phy() function -use correct io accessors -cleanup Signed-off-by: Matthias Fuchs <matthias.fuchs@esd-electronics.com>
* GCC-4.x fixes: clean up global data pointer initialization for all boards.Wolfgang Denk2006-03-31-8/+2
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* Cleanup for GCC-4.xWolfgang Denk2005-10-13-8/+8
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* Code cleanup.wdenk2004-12-16-3/+3
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* CPCI405 board updatestroese2004-12-16-11/+152
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* * Patch by Detlev Zundel, 08 Sep 2004:wdenk2004-09-08-2/+2
| | | | | | | | | | | Update etags build target * Improve NetConsole support: add support for broadcast destination address and buffered input. * Cleanup compiler warnings for GCC 3.3.x and later * Fix problem in cmd_jffs2.c introduced by CFG_JFFS_SINGLE_PART patch
* * The PS/2 mux on the BMS2003 board needs 450 ms after power onwdenk2004-01-20-1/+1
| | | | | | | | | | | | before we can access it; add delay in case we are faster (with no CF card inserted) * Cleanup of some init functions * Make sure SCC Ethernet is always stopped by the time we boot Linux to avoid Linux crashes by early packets coming in. * Accelerate flash accesses on LWMON board by using buffered writes
* CPCI405(AB) update.stroese2003-09-12-30/+137
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* * Code cleanup:wdenk2003-06-27-2/+1
| | | | | | | | | - remove trailing white space, trailing empty lines, C++ comments, etc. - split cmd_boot.c (separate cmd_bdinfo.c and cmd_load.c) * Patches by Kenneth Johansson, 25 Jun 2003: - major rework of command structure (work done mostly by Michal Cendrowski and Joakim Kristiansen)
* CPCI405AB (special version of esd CPCI405) board added.stroese2003-05-23-8/+52
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* Changed CPCI405 to use CTS instead of DSR on PPC405 UART1.stroese2003-04-04-1/+7
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* CPCI4052 update (support for revision 3).stroese2003-03-20-32/+83
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* Initial revisionwdenk2002-11-03-0/+451
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