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* ppc4xx: Consolidate 4xx PCIe board specific configurationStefan Roese2009-11-09-73/+1
| | | | | | | | | This patch consolidates the PPC4xx board specific PCIe configuration code. This way the duplicated code is removed. Boards can implement a special, non standard behaviour (e.g. number of PCIe slots, etc) by overriding the weak default functions. Signed-off-by: Stefan Roese <sr@denx.de>
* ppc4xx: Remove board specific linker scripts from most PPC4xx boardsStefan Roese2009-11-02-138/+0
| | | | | | | | | All these linker scripts can be removed since the new common ppc4xx linker script should be able to handle all of those boards. Please test and report problems. Thanks. Signed-off-by: Stefan Roese <sr@denx.de>
* Merge branch 'reloc'Wolfgang Denk2009-10-09-1/+0
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| * ppc: Enable full relocation to RAMPeter Tyser2009-10-03-1/+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>
* | ppc_4xx: Apply new HW register namesNiklaus Giger2009-10-07-11/+11
| | | | | | | | | | | | | | | | 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: Fix msg "initialization as root-complex failed" upon PCIe scanStefan Roese2009-10-07-0/+3
|/ | | | | | | | | | This message is printed upon PCIe bus scan, not only upon error, but also if no PCIe device is detected at all. Since this is not an error, let's remove this message in this case. We already have the message "link is not up." if there is no PCIe device present. Signed-off-by: Stefan Roese <sr@denx.de> Acked-by: Wolfgang Denk <wd@denx.de>
* ppc4xx: Convert PPC4xx UIC defines from lower case to upper caseStefan Roese2009-09-28-36/+36
| | | | | | | 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 Roese2009-09-11-3/+3
| | | | | | | | | | | | | | | | 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 Denk2009-06-12-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* Fix all linker script to handle all rodata sectionsTrent Piepho2009-03-20-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* ppc4xx: Fix problem with board_eth_init() vs cpu_eth_init() on AMCC boardsStefan Roese2009-02-12-0/+1
| | | | | | | | Some AMCC eval boards do have a board_eth_init() function calling pci_eth_init(). These boards need to call cpu_eth_init() explicitly now with the new eth_init rework. Signed-off-by: Stefan Roese <sr@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 Tyser2009-01-28-1/+1
| | | | Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
* Align end of bss by 4 bytesSelvamuthukumar2008-11-18-0/+1
| | | | | | | | | | 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>
* Cleanup: fix "MHz" spellingWolfgang Denk2008-10-21-9/+9
| | | | Signed-off-by: Wolfgang Denk <wd@denx.de>
* rename CFG_ macros to CONFIG_SYSJean-Christophe PLAGNIOL-VILLARD2008-10-18-42/+42
| | | | Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* Moved initialization of EEPRO100 Ethernet controller to board_eth_init()Ben Warren2008-09-02-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Affected boards: db64360 db64460 katmai taihu taishan yucca cpc45 cpu87 eXalion elppc debris kvme080 mpc8315erdb integratorap ixdp425 oxc pm826 pm828 pm854 pm856 ppmc7xx sc3 sc520_spunk sorcery tqm8272 tqm85xx utx8245 Removed initialization of the driver from net/eth.c Also, wrapped contents of pci_eth_init() by CONFIG_PCI. Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
* ppc4xx: Cleanup Katmai & Yucca PCIe register usageStefan Roese2008-07-11-71/+1
| | | | | | | This patch cleans up the 440SPe PCIe register usage. Now only defines from the include/asm-ppc/4xx_pcie.h are used. Signed-off-by: Stefan Roese <sr@denx.de>
* ppc4xx: Remove redundant ft_board_setup() functions from some 4xx boardsStefan Roese2008-07-11-21/+0
| | | | | | | | | This patch removes some ft_board_setup() functions from some 4xx boards. This can be done since we now have a default weak implementation for this in cpu/ppc4xx/fdt.c. Only board in need for a different/custom implementation like canyonlands need their own version. Signed-off-by: Stefan Roese <sr@denx.de>
* ppc4xx: Fix printf format warnings now visible with the updated format checkStefan Roese2008-07-10-2/+2
| | | | | | | | | This patch fixes ppc4xx related printf format warning. Those warnings are now visible since patch dc4b0b38d4aadf08826f6c31270f1eecd27964fd [Fix printf errors.] by Andrew Klossner has been applied. Thanks, this is really helpful. Signed-off-by: Stefan Roese <sr@denx.de>
* Cleanup: remove redundant deleting on *~ filesWolfgang Denk2008-07-02-1/+1
| | | | Signed-off-by: Wolfgang Denk <wd@denx.de>
* Cleanup out-or-tree building for some boards (.depend)Wolfgang Denk2008-07-02-1/+1
| | | | Signed-off-by: Wolfgang Denk <wd@denx.de>
* ppc4xx: Remove implementations of testdram()Stefan Roese2008-06-03-30/+0
| | | | | | | This patch removes the used testdram() implementations of the board that are maintained by myself. Signed-off-by: Stefan Roese <sr@denx.de>
* Big white-space cleanup.Wolfgang Denk2008-05-21-11/+11
| | | | | | | | | | | This commit gets rid of a huge amount of silly white-space issues. Especially, all sequences of SPACEs followed by TAB characters get removed (unless they appear in print statements). Also remove all embedded "vim:" and "vi:" statements which hide indentation problems. Signed-off-by: Wolfgang Denk <wd@denx.de>
* katmai: fix section overlap problemWolfgang Denk2008-04-28-1/+1
| | | | | | | | | | | Since we didn't want to remove features from the configuration, we decided to increase the U-Boot image size (add one flash sector). Also changed the default environment definition to make it independent of such changes. Signed-off-by: Wolfgang Denk <wd@denx.de> Acked-by: Stefan Roese <sr@denx.de>
* Remove all the search paths from the .lds files.Jason Wessel2008-04-17-1/+0
| | | | | | | The cross compiler is responsible for providing the correct libraries and the logic to find the linking libraries. Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
* Fix linker scripts: add NOLOAD atribute to .bss/.sbss sectionsWolfgang Denk2008-01-12-1/+1
| | | | | | | | | | | | | | | | | | | With recent toolchain versions, some boards would not build because or errors like this one (here for ocotea board when building with ELDK 4.2 beta): ppc_4xx-ld: section .bootpg [fffff000 -> fffff23b] overlaps section .bss [fffee900 -> fffff8ab] For many boards, the .bss section is big enough that it wraps around at the end of the address space (0xFFFFFFFF), so the problem will not be visible unless you use a 64 bit tool chain for development. On some boards however, changes to the code size (due to different optimizations) we bail out with section overlaps like above. The fix is to add the NOLOAD attribute to the .bss and .sbss sections, telling the linker that .bss does not consume any space in the image. Signed-off-by: Wolfgang Denk <wd@denx.de>
* ppc4xx: Update Katmai/44x_spd_ddr2.c code for optimal DDR2 setupStefan Roese2008-01-05-1/+13
| | | | | | | | | | | | | | On Katmai the complete auto-calibration somehow doesn't seem to produce the best results, meaning optimal values for RQFD/RFFD. This was discovered by GDA using a high bandwidth scope, analyzing the DDR2 signals. GDA provided a fixed value for RQFD, so now on Katmai "only" RFFD is auto-calibrated. This patch also adds RDCC calibration as mentioned on page 7 of the AMCC PowerPC440SP/SPe DDR2 application note: "DDR1/DDR2 Initialization Sequence and Dynamic Tuning" Signed-off-by: Stefan Roese <sr@denx.de>
* ppc4xx: Add fdt support to AMCC Katmai eval boardStefan Roese2007-12-27-0/+23
| | | | Signed-off-by: Stefan Roese <sr@denx.de>
* ppc4xx: Enable hardware-fix for PCI/DMA errata on AMCC 440SP/SPe boardsStefan Roese2007-12-06-4/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch enables the hardware-fix for the PCI/DMA errata's 19+22 by setting the FIXD bit in the SDR0_MFR register. Here a description of the symptoms: Problem Description ------------------------------ If a DMA is performed between memory and PCI with the DMA 1 Controller using prefetch, and as a result uses a special purpose buffer selected by the PCIXn Bridge Options 1 Register (PCIXn_BRDGOPT1[RBP7] - bits 31-29), the first part of the transfer sequence is performed twice. The PPC440SPe PCI Controller requests more data than was needed such that in the case of enforce memory protection, a host CPU exception can occur. No data is corrupted, because data transfer is stopped in the PCI Controller. Prefetch enable is specified by setting DMA Configuration Register (I2O0_DMAx_CFG[DXEPD] - bit 31) to 0. Behavior that may be observed in a running system --------------------------------------------------------------------------- 1. DMA performance is decreased because of the double access on the PCI bus interface. 2. If an illegal access to some address on the PCI bus is detected at the system level, a machine check or similar system error may occur. Workarounds Available ---------------------------------- 1. Do not program prefetch. Note that a prefetch command cannot be programmed without selecting a special purpose buffer. 2. To avoid crossing a physical boundary of the PCI slave device, add 512 bytes of address to the PCI address range. This patch was originally provided by Pravin M. Bathija <pbathija@amcc.com> from AMCC and slighly changed. Signed-off-by: Pravin M. Bathija <pbathija@amcc.com> Signed-off-by: Stefan Roese <sr@denx.de>
* ppc4xx: Make output a little shorter on PCIe detectionStefan Roese2007-11-05-6/+4
| | | | | | Now not max 3 lines but 2 lines are printed per PCIe port. Signed-off-by: Stefan Roese <sr@denx.de>
* ppc4xx: Dynamic configuration of 4xx PCIe mode as root or endpoint modeStefan Roese2007-10-31-33/+32
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for dynamic configuration of PCIe ports for the AMCC PPC4xx boards equipped with PCIe interfaces. These are the PPC440SPe boards Yucca & Katmai and the 405EX board Kilauea. This dynamic configuration is done via the "pcie_mode" environement variable. This variable can be set to "EP" or "RP" for endpoint or rootpoint mode. Multiple values can be joined via the ":" delimiter. Here an example: pcie_mode=RP:EP:EP This way, PCIe port 0 will be configured as rootpoint, PCIe port 1 and 2 as endpoint. Per default Yucca will be configured as: pcie_mode=RP:EP:EP Per default Katmai will be configured as: pcie_mode=RP:RP:REP Per default Kilauea will be configured as: pcie_mode=RP:RP Signed-off-by: Tirumala R Marri <tmarri@amcc.com> Signed-off-by: Stefan Roese <sr@denx.de>
* ppc4xx: Make 440SPe PCIe code more generic to use on different 4xx PPCs (2)Stefan Roese2007-10-31-7/+4
| | | | | | | | | | | This patch is the first patch of a series to make the 440SPe PCIe code usable on different 4xx PPC platforms. In preperation for the new 405EX which is also equipped with PCIe interfaces. (2) This patch renames the functions from 440spe_ to 4xx_ with a little additional cleanup Signed-off-by: Stefan Roese <sr@denx.de>
* ppc4xx: Make 440SPe PCIe code more generic to use on different 4xx PPCs (1)Stefan Roese2007-10-31-5/+4
| | | | | | | | | | This patch is the first patch of a series to make the 440SPe PCIe code usable on different 4xx PPC platforms. In preperation for the new 405EX which is also equipped with PCIe interfaces. (1) This patch renames the files from 440spe_pcie to 4xx_pcie Signed-off-by: Stefan Roese <sr@denx.de>
* Fix cases where DECLARE_GLOBAL_DATA_PTR was not declared as globalWolfgang Denk2007-09-15-2/+2
| | | | Signed-off-by: Wolfgang Denk <wd@denx.de>
* [PPC440SPe] PCIe environment settings for Katmai and YuccaGrzegorz Bernacki2007-09-07-0/+12
| | | | | | | | | | | | - 'pciconfighost' is set by default in order to be able to scan bridges behind the primary host/PCIe - 'pciscandelay' env variable is recognized to allow for user-controlled delay before the PCIe bus enumeration; some peripheral devices require a significant delay before they can be scanned (e.g. LSI8408E); without the delay they are not detected Signed-off-by: Grzegorz Bernacki <gjb@semihalf.com>
* [PPC440SPe] Improve PCIe configuration space accessGrzegorz Bernacki2007-09-07-10/+11
| | | | | | | | | | | | | - correct configuration space mapping - correct bus numbering - better access to config space Prior to this patch, the 440SPe host/PCIe bridge was able to configure only the first device on the first bus. We now allow to configure up to 16 buses; also, scanning for devices behind the PCIe-PCIe bridge is supported, so peripheral devices farther in hierarchy can be identified. Signed-off-by: Grzegorz Bernacki <gjb@semihalf.com>
* 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: Change SysACE address on KatmaiStefan Roese2007-04-02-1/+1
| | | | | | | | With this new base address of the Xilinx SystemACE controller the Linux driver will be easier to adapt, since it can now be mapped via the "normal" ioremap() call. Signed-off-by: Stefan Roese <sr@denx.de>
* ppc4xx: Update Katmai bootstrap commandStefan Roese2007-03-31-1/+3
| | | | | | | Now the DDR2 frequency is also 2*PLB frequency when 166MHz PLB is selected. Signed-off-by: Stefan Roese <sr@denx.de>
* ppc4xx: Fix "bootstrap" command for Katmai boardStefan Roese2007-03-31-76/+25
| | | | | | | | The board specific "bootstrap" command is now fixed and can be used for the AMCC Katmai board to configure different CPU/PLB/OPB frequencies. Signed-off-by: Stefan Roese <sr@denx.de>
* Merge with /home/stefan/git/u-boot/acadiaStefan Roese2007-03-24-0/+1
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| * [PATCH] Add 4xx GPIO functionsStefan Roese2007-03-24-0/+1
| | | | | | | | | | | | | | This patch adds some 4xx GPIO functions. It also moves some of the common code and defines into a common 4xx GPIO header file. Signed-off-by: Stefan Roese <sr@denx.de>
* | ppc4xx: Small AMCC Katmai 440SPe updateStefan Roese2007-03-08-0/+10
|/ | | | Signed-off-by: Stefan Roese <sr@denx.de>
* [PATCH] Update AMCC Katmai 440SPe eval board supportStefan Roese2007-03-01-75/+25
| | | | | | | | | | | This patch updates the recently added Katmai board support. The biggest change is the support of ECC DIMM modules in the 440SP(e) SPD DDR2 driver. Please note, that still some problems are left with some memory configurations. See the driver for more details. Signed-off-by: Stefan Roese <sr@denx.de>
* [PATCH] Clean up Katmai (440SPe) linker scriptStefan Roese2007-02-20-16/+0
| | | | Signed-off-by: Stefan Roese <sr@denx.de>
* [PATCH] Add support for the AMCC Katmai (440SPe) eval boardStefan Roese2007-02-20-0/+1200
Signed-off-by: Stefan Roese <sr@denx.de>
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