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* Make sure that argv[] argument pointers are not modified.Wolfgang Denk2010-07-04-10/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 arch/ppc to arch/powerpcStefan Roese2010-04-21-5/+5
| | | | | | | | | | | | | | | | | As discussed on the list, move "arch/ppc" to "arch/powerpc" to better match the Linux directory structure. Please note that this patch also changes the "ppc" target in MAKEALL to "powerpc" to match this new infrastructure. But "ppc" is kept as an alias for now, to not break compatibility with scripts using this name. Signed-off-by: Stefan Roese <sr@denx.de> Acked-by: Wolfgang Denk <wd@denx.de> Acked-by: Detlev Zundel <dzu@denx.de> Acked-by: Kim Phillips <kim.phillips@freescale.com> Cc: Peter Tyser <ptyser@xes-inc.com> Cc: Anatolij Gustschin <agust@denx.de>
* ppc: Move cpu/$CPU to arch/ppc/cpu/$CPUPeter Tyser2010-04-13-3/+3
| | | | Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
* Replace "#include <asm-$ARCH/$FILE>" with "#include <asm/$FILE>"Peter Tyser2010-04-13-1/+1
| | | | | | | | | | The appropriate include/asm-$ARCH directory should already by symlinked to include/asm so using the whole "asm-$ARCH" path is unnecessary. This change should also allow us to move the include/asm-$ARCH directories into their appropriate lib/$ARCH/ directories. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
* Rename lib_generic/ to lib/Peter Tyser2010-04-13-5/+5
| | | | | | | | Now that the other architecture-specific lib directories have been moved out of the top-level directory there's not much reason to have the '_generic' suffix on the common lib directory. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
* Move lib_$ARCH directories to arch/$ARCH/libPeter Tyser2010-04-13-2/+2
| | | | | | | | | Also move lib_$ARCH/config.mk to arch/$ARCH/config.mk This change is intended to clean up the top-level directory structure and more closely mimic Linux's directory organization. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
* mpc5xxx: Remove all references to MGT5100Detlev Zundel2010-03-21-13/+0
| | | | | | We do not support a processor that never reached a real customer. Signed-off-by: Detlev Zundel <dzu@denx.de>
* TQM8xx: add device tree support for TQM8xx based boards.Heiko Schocher2010-03-12-0/+119
| | | | | | | | | | | | | Also use hwconfig to configure whether the board has a FEC or not. We then can adjust the DTS to tell Linux if there is a FEC present. syntax: hwconfig=fec:on if hardware has a FEC hwconfig=fec:off if hardware has no FEC Signed-off-by: Heiko Schocher <hs@denx.de> Signed-off-by: Wolfgang Denk <wd@denx.de>
* PCIe, USB: Replace 'end point' references with 'endpoint'Peter Tyser2010-01-17-1/+1
| | | | | | | | | When referring to PCIe and USB 'endpoint' is the standard naming convention. Signed-off-by: Peter Tyser <ptyser@xes-inc.com> Acked-by: Stefan Roese <sr@denx.de> Acked-by: Remy Bohmer <linux@bohmer.net>
* ppc/85xx: Move to using fsl_setup_hose on TQM 85xxKumar Gala2010-01-05-4/+4
| | | | | | | | We can use fsl_setup_hose to determine if we are a agent/end-point or a host. Rather than using some SoC specific register we can just look at the PCI cfg space of the host controller to determine this. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
* 5xxx, fdt: move fdt_fixup_memory() to cpu.c fileHeiko Schocher2009-12-08-1/+0
| | | | | | | | u-boot updates, before starting Linux, the memory node in the DTS. As this is a "standard" feature, move this functionality to the cpu.c file for mpc5xxx and mpc512x processors. Signed-off-by: Heiko Schocher <hs@denx.de>
* Merge branch 'reloc'Wolfgang Denk2009-10-09-2/+0
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| * ppc: Enable full relocation to RAMPeter Tyser2009-10-03-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | The following changes allow U-Boot to fully relocate from flash to RAM: - Remove linker scripts' .fixup sections from the .text section - Add -mrelocatable to PLATFORM_RELFLAGS for all boards - Define CONFIG_RELOC_FIXUP_WORKS for all boards Previously, U-Boot would partially relocate, but statically initialized pointers needed to be manually relocated. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
* | tqm5200: Correct comment and code in post_hotkeys_pressed.Detlev Zundel2009-10-08-4/+2
|/ | | | | | | | | | | | | | | | | This fixes the code and the comment according to the original intent of doing an intensive memory test when PSC6_3 is pulled low on the STK52xx. Notably PORT_CONFIG will be overridden with this correct code now, so beware. The original code only worked by coincidence depending on the PORT_CONFIG setting from the header file. The new code was tested to ensure that the (undocumented) memory test still works on the STK52x. Signed-off-by: Detlev Zundel <dzu@denx.de> CC: Martin Krause <Martin.Krause@tqs.de> Minor white-space cleanup. Signed-off-by: Wolfgang Denk <wd@denx.de>
* ppc/8xxx: Refactor code to determine if PCI is enabled & agent/hostKumar Gala2009-09-08-5/+3
| | | | | | | | | | | Refactor the code into a simple bitmask lookup table that determines if a given PCI controller is enabled and if its in host/root-complex or agent/end-point mode. Each processor in the PQ3/MPC86xx family specified different encodings for the cfg_host_agt[] and cfg_IO_ports[] boot strapping signals. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
* ppc: Remove -fno-strict-aliasingKumar Gala2009-09-04-1/+1
| | | | | | -fno-strict-aliasing is hidding warnings. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
* 85xx: Move to a common linker scriptKumar Gala2009-08-28-146/+0
| | | | | | | | There are really no differences between all the 85xx linker scripts so we can just move to a single common one. Board code is still able to override the common one if need be. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
* pci/fsl_pci_init: Fold fsl_pci_setup_inbound_windows into fsl_pci_initKumar Gala2009-08-28-7/+0
| | | | | | | | Every platform that calls fsl_pci_init calls fsl_pci_setup_inbound_windows before it calls fsl_pci_init. There isn't any reason to just call it from fsl_pci_init and simplify things a bit. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
* pci/fsl_pci_init: Fold pci_setup_indirect into fsl_pci_initKumar Gala2009-08-28-6/+2
| | | | | | | | Every platform that calls fsl_pci_init calls pci_setup_indirect before it calls fsl_pci_init. There isn't any reason to just call it from fsl_pci_init and simplify things a bit. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
* tqm85xx: Remove board_add_ram_info()Peter Tyser2009-07-22-30/+3
| | | | | | | | This is in preparation for adding one common 8xxx board_add_ram_info() function for all 8xxx boards Signed-off-by: Peter Tyser <ptyser@xes-inc.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
* mpc83xx: convert all remaining boards over to 83XX_GENERIC_PCIKim Phillips2009-07-18-182/+35
| | | | Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
* General help message cleanupWolfgang Denk2009-06-12-9/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* TQM834x: add FDT supportWolfgang Denk2009-06-12-0/+56
| | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
* Redundant Environment: protect full sector sizeWolfgang Denk2009-06-04-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Several boards used different ways to specify the size of the protected area when enabling flash write protection for the sectors holding the environment variables: some used CONFIG_ENV_SIZE and CONFIG_ENV_SIZE_REDUND, some used CONFIG_ENV_SECT_SIZE, and some even a mix of both for the "normal" and the "redundant" areas. Normally, this makes no difference at all. However, things are different when you have to deal with boards that can come with different types of flash chips, which may have different sector sizes. Here we may have to chose CONFIG_ENV_SECT_SIZE such that it fits the biggest sector size, which may include several sectors on boards using the smaller sector flash types. In such a case, using CONFIG_ENV_SIZE or CONFIG_ENV_SIZE_REDUND to enable the protection may lead to the case that only the first of these sectors get protected, while the following ones aren't. This is no real problem, but it can be confusing for the user - especially on boards that use CONFIG_ENV_SECT_SIZE to protect the "normal" areas, while using CONFIG_ENV_SIZE_REDUND for the "redundant" area. To avoid such inconsistencies, I changed all sucn boards that I found to consistently use CONFIG_ENV_SECT_SIZE for protection. This should not cause any functional changes to the code. Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Paul Ruhland Cc: Pantelis Antoniou <panto@intracom.gr> Cc: Stefan Roese <sr@denx.de> Cc: Gary Jennejohn <garyj@denx.de> Cc: Dave Ellis <DGE@sixnetio.com> Acked-by: Stefan Roese <sr@denx.de>
* fsl_pci: Move prototypes into fsl_pci.h and remove explicit externsKumar Gala2009-04-04-6/+0
| | | | Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
* fsl_pci: Renamed immap_fsl_pci.h to fsl_pci.hKumar Gala2009-04-04-1/+1
| | | | | | | Rename the pci header for FSL HW so we can move some prototypes in there and stop doing explicit externs Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
* Add multi-chip NAND support for the TQM8548 modulesWolfgang Grandegger2009-03-23-1/+4
| | | | | | | | | This patches configures the NAND UPM-FSL driver with multi-chip support for the Micron MT29F8G08FAB NAND flash memory on the TQM8548 modules. Signed-off-by: Wolfgang Grandegger <wg@grandegger.com> Signed-off-by: Scott Wood <scottwood@freescale.com>
* Fix all linker script to handle all rodata sectionsTrent Piepho2009-03-20-6/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A recent gcc added a new unaligned rodata section called '.rodata.str1.1', which needs to be added the the linker script. Instead of just adding this one section, we use a wildcard ".rodata*" to get all rodata linker section gcc has now and might add in the future. However, '*(.rodata*)' by itself will result in sub-optimal section ordering. The sections will be sorted by object file, which causes extra padding between the unaligned rodata.str.1.1 of one object file and the aligned rodata of the next object file. This is easy to fix by using the SORT_BY_ALIGNMENT command. This patch has not be tested one most of the boards modified. Some boards have a linker script that looks something like this: *(.text) . = ALIGN(16); *(.rodata) *(.rodata.str1.4) *(.eh_frame) I change this to: *(.text) . = ALIGN(16); *(.eh_frame) *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) This means the start of rodata will no longer be 16 bytes aligned. However, the boundary between text and rodata/eh_frame is still aligned to 16 bytes, which is what I think the real purpose of the ALIGN call is. Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
* boards: get mac address from env and move load_sernum_ethaddr() to board initMike Frysinger2009-03-20-0/+3
| | | | | | | | | | | | | | | | | | | The environment is the canonical storage location of the mac address, so we're killing off the global data location and moving everything to querying the env directly. Rather than have common ppc code call a board-specific function like load_sernum_ethaddr(), have each board call it in its own board-specific misc_init_r() function. The boards that get converted here are: - kup4k/kup4x - pcs440ep - tqm8xx Signed-off-by: Mike Frysinger <vapier@gentoo.org> CC: Ben Warren <biggerbadderben@gmail.com> CC: Stefan Roese <sr@denx.de>
* TQM8xxL: make some room in low memory for future needsWolfgang Denk2009-02-19-1/+0
| | | | | | | | | THe TQM8xxL use a ahnd-optimized linker script to efficiently use the small boot sectors in the flash. This patch makes some room in the first sector to prepare for a size increase of lib_generic/vsprintf.o by a future patch. Signed-off-by: Wolfgang Denk <wd@denx.de>
* TQM85xx: Fix a couple warnings in TQM8548 buildAndy Fleming2009-02-16-3/+5
| | | | | | | | | | | | The ecm variable in sdram.c was being declared for all 8548, but only used by specific 8548 boards, so we make that variable require those specific boards, too The nand code was using an index "i" into a table, and then re-using "i" to set addresses for each upm. However, then it relied on the old value of i still being there to enable things. Changed the second "i" to "j" Signed-off-by: Andy Fleming <afleming@freescale.com>
* MPC85xx: TQM8548: workaround for erratum DDR 19 and 20Wolfgang Grandegger2009-02-16-8/+108
| | | | | | | | | This patch adds the workaround for erratum DDR20 according to MPC8548 Device Errata document, Rev. 1: "CKE signal may not function correctly after assertion of HRESET". Furthermore, the bug DDR19 is fixed in processor version 2.1 and the work-around must be removed. Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
* MPC85xx: TQM8548: use cache for AG and BE variantsWolfgang Grandegger2009-02-16-2/+2
| | | | | | | | | | | | This patch makes accesses to the system memory cachable by removing the caching-inhibited and guarded flags from the relevant TLB entries for the TQM8548_BE and TQM8548_AG modules. FYI, the Freescale MPC85* boards are configured similarly. This results in a big averall performace improvement. TFTP downloads, NAND Flash accesses, kernel boots, etc. are much faster. Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
* MPC85xx: TQM8548_AG: add 1 GiB DDR2-SDRAM configurationWolfgang Grandegger2009-02-16-4/+26
| | | | | | | | This patch add support for the 1 GiB DDR2-SDRAM on the TQM8548_AG module. Signed-off-by: Jens Gehrlein <sew_s@tqs.de> Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
* MPC85xx: TQM8548: fix SDRAM timing for 533 MHzWolfgang Grandegger2009-02-16-6/+8
| | | | | | | | | | According to new TQM8548 timing specification: Refresh Recovery: 34 -> 53 clocks CKE pulse width: 1 -> 3 cycles Window for four activities: 13 -> 14 cycles Signed-off-by: Jens Gehrlein <sew_s@tqs.de> Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
* MPC85xx: TQM8548: add support for the TQM8548_BE moduleWolfgang Grandegger2009-02-16-2/+4
| | | | | | | | | The TQM8548_BE is a variant of the TQM8548 module with NAND and CAN interface. With NAND support, the image is significantly larger and TEXT_BASE is adjusted accordingly. U-Boot can be built for this module with "$ make TQM8548_BE_config". Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
* MPC85xx: TQM85xx: make standard PCI/PCI-X configurableWolfgang Grandegger2009-02-16-6/+6
| | | | | | | | | The TQM8548_AG module does not have the standard PCI/PCI-X interface connected but just the PCI Express interface . So far it was not possible to disable it without disabling the complete PCI interface (CONFIG_PCI) including PCI Express. Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
* MPC85xx: TQM85xx: fix flash protection for boot loaderWolfgang Grandegger2009-02-16-2/+1
| | | | | | | | | | | | | | | | | | | | As the reset vector is located at 0xfffffffc, all flash sectors from the beginning of the U-Boot binary to 0xffffffff must be protected. On the TQM8548-AG having small sectors at the end of the flash it happened that the last two sector were not protected and an "erase all" left an un-bootable system behind: Bank # 2: CFI conformant FLASH (32 x 16) Size: 32 MB in 270 Sectors AMD Standard command set, Manufacturer ID: 0xEC, Device ID: 0x257E Erase timeout: 8192 ms, write timeout: 1 ms FFFA0000 E RO FFFC0000 RO FFFE0000 RO FFFE4000 RO FFFE8000 RO FFFEC000 RO FFFF0000 RO FFFF4000 RO FFFF8000 E FFFFC000 The same bug seems to be in drivers/mtd/cfi_flash.c:flash_init() and many board BSPs as well. Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
* pci: Rename PCI_REGION_MEMORY to PCI_REGION_SYS_MEMORY for clarityKumar Gala2009-02-07-1/+1
| | | | | | | | | | The PCI_REGION_MEMORY and PCI_REGION_MEM are a bit to similar and can be confusing when reading the code. Rename PCI_REGION_MEMORY to PCI_REGION_SYS_MEMORY to clarify its used for system memory mapping purposes. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
* Command usage cleanupPeter Tyser2009-01-28-8/+8
| | | | | | | | 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 Tyser2009-01-28-6/+6
| | | | Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
* mpc8xxx: LCRR[CLKDIV] is sometimes five bitsTrent Piepho2008-12-19-1/+1
| | | | | | | | | | | | | | On newer CPUs, 8536, 8572, and 8610, the CLKDIV field of LCRR is five bits instead of four. In order to avoid an ifdef, LCRR_CLKDIV is set to 0x1f on all systems. It should be safe as the fifth bit was defined as reserved and set to 0. Code that was using a hard coded 0x0f is changed to use LCRR_CLKDIV. Signed-off-by: Trent Piepho <tpiepho@freescale.com> Acked-by: Kumar Gala <galak@kernel.crashing.org> Acked-by: Jon Loeliger <jdl@freescale.com>
* Update U-Boot's build timestamp on every compilePeter Tyser2008-12-06-1/+2
| | | | | | | Use the GNU 'date' command to auto-generate a new U-Boot timestamp on every compile. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
* lwmon, tqm8xx: Fix build errorsAnatolij Gustschin2008-12-06-2/+3
| | | | | | | | | | | | | | | | Commit 6b59e03e0237a40a2305ea385defdfd92000978b lcd: Let the board code show board-specific info introduced some bugs which prevent U-Boot building for lwmon board if CONFIG_LCD_INFO_BELOW_LOGO will be defined in the board configuration. Also "LCD enabled" building for TQM823L doesn't work since this commit. This patch fixes above-mentioned issues. Signed-off-by: Anatolij Gustschin <agust@denx.de>
* 85xx: Add PORDEVSR_PCI1 definePeter Tyser2008-12-04-1/+1
| | | | | | | | | Add define used to determine if PCI1 interface is in PCI or PCIX mode. Convert users of the old PORDEVSR_PCI constant to use MPC85xx_PORDEVSR_PCI1 Signed-off-by: Peter Tyser <ptyser@xes-inc.com> Signed-off-by: Andy Fleming <afleming@freescale.com>
* Align end of bss by 4 bytesSelvamuthukumar2008-11-18-0/+2
| | | | | | | | | | Most of the bss initialization loop increments 4 bytes at a time. And the loop end is checked for an 'equal' condition. Make the bss end address aligned by 4, so that the loop will end as expected. Signed-off-by: Selvamuthukumar <selva.muthukumar@e-coninfotech.com> Signed-off-by: Wolfgang Denk <wd@denx.de>
* TQM8260: use CFI flash driver instead of custom driver.Wolfgang Denk2008-11-02-498/+1
| | | | Signed-off-by: Wolfgang Denk <wd@denx.de>
* Coding Style cleanup, update CHANGELOGWolfgang Denk2008-11-02-2/+2
| | | | Signed-off-by: Wolfgang Denk <wd@denx.de>
* Merge branch 'master' of git://git.denx.de/u-boot-videoWolfgang Denk2008-10-28-0/+26
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| * lcd: Let the board code show board-specific infoHaavard Skinnemoen2008-10-27-0/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | The information displayed when CONFIG_LCD_INFO is set is inherently board-specific, so it should be done by the board code. The current code dealing with this only handles two cases, and is already a horrible mess of #ifdeffery. Yes, this duplicates some code, but it also allows boards to print more board-specific information; this used to be very difficult. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com> Signed-off-by: Anatolij Gustschin <agust@denx.de>
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