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* cmd_usage(): simplify return code handlingWolfgang Denk2010-07-24-11/+6
| | | | | | | | | | | | | | | | Lots of code use this construct: cmd_usage(cmdtp); return 1; Change cmd_usage() let it return 1 - then we can replace all these ocurrances by return cmd_usage(cmdtp); This fixes a few places with incorrect return code handling, too. Signed-off-by: Wolfgang Denk <wd@denx.de>
* Make sure that argv[] argument pointers are not modified.Wolfgang Denk2010-07-04-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* ppc4xx: Consolidate pci_master_init() functionStefan Roese2009-11-19-21/+0
| | | | | | | | This patch removes the duplicted implementations of the pci_master_init() function by introducing a weak default function for it. It can be overridden by a board specific version. Signed-off-by: Stefan Roese <sr@denx.de>
* ppc4xx: Consolidate pci_pre_init() functionStefan Roese2009-11-19-55/+0
| | | | | | | | | This patch removes the duplicted implementations of the pci_pre_init() function by introducing a weak default function for it. This weak default has a different implementation for some PPC variants. It can be overridden by a board specific version. Signed-off-by: Stefan Roese <sr@denx.de>
* ppc4xx: Consolidate pci_target_init() functionStefan Roese2009-11-19-61/+0
| | | | | | | | | | This patch removes the duplicted implementations of the pci_target_init() function by introducing a weak default function for it. This weak default has a different implementation for 440EP(x)/GR(x) PPC's. It can be overridden by a board specific version (e.g. PMC440, korat). Signed-off-by: Stefan Roese <sr@denx.de> Acked-by: Matthias Fuchs <matthias.fuchs@esd.eu>
* ppc4xx: Remove duplicated is_pci_host() functionsStefan Roese2009-11-09-23/+0
| | | | | | | | | This patch introduces a weak default function for is_pci_host(), returning 1. This is the default behaviour, since most boards only implement PCI host functionality. This weak default can be overridden by a board specific version if needed. Signed-off-by: Stefan Roese <sr@denx.de>
* video: mb862xx: improve board-specific Lime configurationWolfgang Grandegger2009-10-31-7/+0
| | | | | | | | | | | To avoid board-specific code accessing the mb862xx registers directly, the public function mb862xx_probe() has been introduced. Furthermore, the "Change of Clock Frequency" and "Set Memory I/F Mode" registers are now defined by CONFIG_SYS_MB862xx_CCF and CONFIG_SYS_MB862xx__MMR, respectively. The BSPs for the socrates and lwmon5 boards have been adapted accordingly. Signed-off-by: Wolfgang Grandegger <wg@denx.de>
* ppc_4xx: Apply new HW register namesNiklaus Giger2009-10-07-16/+16
| | | | | | | | Modify all existing *.c files to use the new register names as seen in the AMCC manuals. Signed-off-by: Niklaus Giger <niklaus.giger@member.fsf.org> Signed-off-by: Stefan Roese <sr@denx.de>
* ppc4xx: Convert PPC4xx UIC defines from lower case to upper caseStefan Roese2009-09-28-23/+23
| | | | | | | 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 Roese2009-09-11-26/+26
| | | | | | | | | | | | | | | | 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 Denk2009-06-12-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* Command usage cleanupPeter Tyser2009-01-28-1/+1
| | | | | | | | 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>
* Standardize command usage messages with cmd_usage()Peter Tyser2009-01-28-2/+2
| | | | Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
* rename CFG_ macros to CONFIG_SYSJean-Christophe PLAGNIOL-VILLARD2008-10-18-44/+44
| | | | Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* rename CFG_ENV macros to CONFIG_ENVJean-Christophe PLAGNIOL-VILLARD2008-09-10-2/+2
| | | | Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* ppc4xx: Remove implementations of testdram()Stefan Roese2008-06-03-38/+0
| | | | | | | This patch removes the used testdram() implementations of the board that are maintained by myself. Signed-off-by: Stefan Roese <sr@denx.de>
* lwmon5 watchdog: limit trigger rateYuri Tikhonov2008-04-22-0/+18
| | | | | | | | | | | | | | | Limit the rate of h/w watch-dog triggering on the LWMON5 board by the CONFIG_WD_MAX_RATE value. Note that an earlier version of this patch which used microseconds instead of ticks dis not work. The problem was that we used usec2ticks() to convert microseconds into ticks. usec2ticks() uses get_tbclk(), which in turn calls get_sys_info(). It turns out that this function does a lot of prolonged operations (like divisions) which take too much time so we do not trigger the watchdog in time, and it resets the system. Signed-off-by: Yuri Tikhonov <yur@emcraft.com>
* Fix backlight in the lwmon5 POST.Yuri Tikhonov2008-03-18-3/+21
| | | | | | | Backlight was switcehd on even when temperature was too low. Signed-off-by: Dmitry Rakhchev <rda@emcraft.com> Signed-off-by: Yuri Tikhonov <yur@emcraft.com>
* Add support for the lwmon5 board reset via GPIO58.Yuri Tikhonov2008-03-18-0/+5
| | | | | Signed-off-by: Dmitry Rakhchev <rda@emcraft.com> Signed-off-by: Yuri Tikhonov <yur@emcraft.com>
* The patch adds new POST tests for the Lwmon5 board.Yuri Tikhonov2008-03-18-0/+19
| | | | | | | | | | | | | These are: * External Watchdog test; * dsPIC tests; * FPGA test; * GDC test; * Sysmon tests. Signed-off-by: Dmitry Rakhchev <rda@emcraft.com> Signed-off-by: Yuri Tikhonov <yur@emcraft.com>
* ppc4xx: Rework Lime support for lwmon5Anatolij Gustschin2008-01-11-72/+85
| | | | | | Rework Lime support for lwmon5 using new video driver Signed-off-by: Anatolij Gustschin <agust@denx.de>
* ppc4xx: lwmon5: Change PHY reset sequence for PHY MDIO address latchingStefan Roese2007-11-13-9/+17
| | | | Signed-off-by: Stefan Roese <sr@denx.de>
* ppc4xx: Add support for 2nd I2C EEPROM on lwmon5 boardStefan Roese2007-08-23-0/+27
| | | | | | | | | | | This patch adds support for the 2nd EEPROM (AT24C128) on the lwmon5 board. Now the "eeprom" command can be used to read/write from/to this device. Additionally a new command was added "eepromwp" to en-/disable the write-protect of this 2nd EEPROM. The 1st EEPROM is not affected by this write-protect command. Signed-off-by: Stefan Roese <sr@denx.de>
* ppc4xx: Add matrix kbd support to lwmon5 board (440EPx based)Stefan Roese2007-08-21-12/+7
| | | | | | | | | This patch adds support for the matrix keyboard on the lwmon5 board. Since the implementation in the dsPCI is kind of compatible with the "old" lwmon board, most of the code is copied from the lwmon board directory. Signed-off-by: Stefan Roese <sr@denx.de>
* ppc4xx: lwmon5: Update Lime initializationAnatolij Gustschin2007-07-26-2/+60
| | | | | | | | | Change Lime SDRAM initialization to now support 100MHz and 133MHz (if enabled). Also the framebuffer is initialized to display a blue rectangle with a white border. Signed-off-by: Anatolij Gustschin <agust@denx.de> Signed-off-by: Stefan Roese <sr@denx.de>
* ppc4xx: lwmon5: Support for 128 MByte NOR FLASH addedStefan Roese2007-07-24-2/+2
| | | | | | | The used Intel NOR FLASH chips have internally two dies, and are now treated as two seperate chips. Signed-off-by: Stefan Roese <sr@denx.de>
* ppc4xx: Fix lwmon5 interrupt controller setup (polarity, trigger...)Stefan Roese2007-07-24-6/+6
| | | | | | | As suggested by Hakan Eryigit, here an updated setup for the lwmon5 interrupt controller. Signed-off-by: Stefan Roese <sr@denx.de>
* POST: Add ECC POST for the lwmon5 boardPavel Kolesnikov2007-07-20-0/+11
| | | | | | | | | This patch adds ECC Post test for the Lwmon5 board based on PPC440EPx to U-Boot. Signed-off-by: Pavel Kolesnikov <concord@emcraft.com> Acked-by: Yuri Tikhonov <yur@emcraft.com> Acked-by: Stefan Roese <sr@denx.de>
* ppc4xx: Update lwmon5 boardStefan Roese2007-07-04-8/+9
| | | | | | | | | | - Add optional ECC generation routine to preserve existing RAM values. This is needed for the Linux log-buffer support - Add optional DDR2 setup with CL=4 - GPIO50 not used anymore - Lime register setup added Signed-off-by: Stefan Roese <sr@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>
* Coding style cleanup. Refresh CHANGELOG.Wolfgang Denk2007-06-20-5/+5
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* [ppc4xx] Add initial lwmon5 board supportStefan Roese2007-06-15-0/+464
This patch adds initial support for the Liebherr lwmon5 board euqipped with an AMCC 440EPx PowerPC. Signed-off-by: Stefan Roese <sr@denx.de>
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