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| * | | | | | | | | | Merge branch 'for-1.3.2-ver2'Stefan Roese2007-12-29236-3537/+18051
| |\ \ \ \ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: cpu/ppc4xx/fdt.c include/configs/kilauea.h include/configs/sequoia.h Signed-off-by: Stefan Roese <sr@denx.de>
| | * | | | | | | | | | ppc4xx: Coding style cleanupStefan Roese2007-12-281-17/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Stefan Roese <sr@denx.de>
| | * | | | | | | | | | ppc4xx: Complete PMC440 board supportMatthias Fuchs2007-12-284-0/+527
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch brings the PMC440 board configuration file. Finally it enables the PMC440 board support. Signed-off-by: Matthias Fuchs <matthias.fuchs@esd-electronics.com>
| | * | | | | | | | | | ppc4xx: Add FPGA support and BSP commands for PMC440 boardsMatthias Fuchs2007-12-283-0/+1066
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds some BSP commands and FPGA booting support for esd's PMC440 boards. Signed-off-by: Matthias Fuchs <matthias.fuchs@esd-electronics.com>
| | * | | | | | | | | | ppc4xx: Add initial esd PMC440 board filesMatthias Fuchs2007-12-289-0/+2497
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds the first files for the new esd PMC440 boards. The next two patches will complete the PMC440 board support. Signed-off-by: Matthias Fuchs <matthias.fuchs@esd-electronics.com>
| | * | | | | | | | | | ppc4xx: Add EEPROM write protection for PLU405 boards + misc. updatesMatthias Fuchs2007-12-282-8/+93
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - add EEPROM write protection for esd PLU405 boards. - initialize NAND GPIOs - use correct io accessors - cleanup Signed-off-by: Matthias Fuchs <matthias.fuchs@esd-electronics.com>
| | * | | | | | | | | | ppc4xx: use correct io accessors for esd's LCD codeMatthias Fuchs2007-12-281-7/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes esd's LCD dectection code to work correctly with newer gcc versions. Signed-off-by: Matthias Fuchs <matthias.fuchs@esd-electronics.com>
| | * | | | | | | | | | ppc4xx: Maintenance patch for VOH405 boardsMatthias Fuchs2007-12-282-39/+127
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - add EEPROM write protection - initialize NAND GPIOs - use correct io accessors - slow down I2C clock to 100kHz - enable ext. I2C bus - cleanup Signed-off-by: Matthias Fuchs <matthias.fuchs@esd-electronics.com>
| | * | | | | | | | | | ppc4xx: Enable 405EP PCI arbiter per default on all boardsStefan Roese2007-12-281-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In an attmemt to clean up the 4xx start.S file, I removed the enabling of the internal 405EP PCI arbiter. This is needed for multiple other 405EP platforms, like most of the esd 405EP. Now the internal PCI arbiter is enabled again per default as it has been before. Signed-off-by: Stefan Roese <sr@denx.de> Acked-by: Matthias Fuchs <matthias.fuchs@esd-electronics.com>
| | * | | | | | | | | | ppc4xx: Fix bug in cpu_init.c (405EP instead of 450EP)Stefan Roese2007-12-281-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Stefan Roese <sr@denx.de> Acked-by: Matthias Fuchs <matthias.fuchs@esd-electronics.com>
| | * | | | | | | | | | ppc4xx: Fix compilation problem of kilauea/haleakala nand booting targetStefan Roese2007-12-281-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use correct link to nand_ecc now located in drivers/mtd/nand/ for the platforms mentioned above. Signed-off-by: Stefan Roese <sr@denx.de>
| | * | | | | | | | | | Merge branch 'master' of /home/stefan/git/u-boot/u-boot into for-1.3.2-ver2Stefan Roese2007-12-27186-1822/+9769
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| | * | | | | | | | | | | Remove CPCI440 boardMatthias Fuchs2007-12-2710-1551/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This board never left prototyping state and it became a millstone round my neck. So remove it. Signed-off-by: Matthias Fuchs <matthias.fuchs@esd-electronics.com>
| | * | | | | | | | | | | Add support for Korat PPC440EPx boardLarry Johnson2007-12-278-0/+1082
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | These patches add support for the PPC440EPx-based "Korat" board to U-Boot. They are based primarily on support for the Sequoia board. Signed-off-by: Larry Johnson <lrj@acm.org>
| | * | | | | | | | | | | Add configuration file for Korat boardLarry Johnson2007-12-271-0/+376
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch supplies the configuration file for the Korat PPC440EPx- processor board. Signed-off-by: Larry Johnson <lrj@acm.org>
| | * | | | | | | | | | | Add denali_data_eye.o and denali_spd_ddr2.o to PPC4xx MakefileLarry Johnson2007-12-271-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Larry Johnson <lrj@acm.org>
| | * | | | | | | | | | | Add 440EPx DDR2 SPD DIMM supportLarry Johnson2007-12-271-0/+1254
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds SPD DDR2 support for the 440EPx ("Denali") SDRAM controller. It should also work on the 440GRx. It is based on the DDR2 SPD code for the 440EP/440EPx, but makes no provision for DDR1 support. This code has been tested on prototype Korat boards with three Kingston DIMMS: 512 MiB ECC (one rank), 512 MiB non-ECC (one rank) and 1 GiB ECC (two ranks). The Korat board has a single DIMM socket, but support has been provided (though not tested) for boards with two DIMM sockets. Signed-off-by: Larry Johnson <lrj@acm.org>
| | * | | | | | | | | | | Copy 440EPx/GRx SDRAM data-eye search to common directoryLarry Johnson2007-12-271-0/+396
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch creates a non-board-specific file for performing the SDRAM data-eye search. It also adds ECC error checking to the test of valid data on readback when ECC is enabled. Signed-off-by: Larry Johnson <lrj@acm.org>
| | * | | | | | | | | | | Add definitions for 440EPx/GRx SDRAM controller to ppc440.hLarry Johnson2007-12-273-52/+470
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds the Denali SDRAM controller definitions to "ppc440.h". It also fixes two typos in the definitions, so the board-specific "sdram.h" files containing these definitions are also fixed to avoid compiler warnings. Signed-off-by: Larry Johnson <lrj@acm.org>
| | * | | | | | | | | | | Add Ethernet 1000BASE-X support for PPC4xxLarry Johnson2007-12-271-52/+114
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds a new switch: "CONFIG_PHY_DYNAMIC_ANEG". When this symbol is defined, the PHY will advertise it's capabilities for autonegotiation based on the capabilities shown in the PHY's status registers, including 1000BASE-X. When "CONFIG_PHY_DYNAMIC_ANEG" is not defined, the PHY will advertise hard-coded capabilities, as before. Signed-off-by: Larry Johnson <lrj@acm.org>
| | * | | | | | | | | | | Add driver for National Semiconductor LM73 temperature sensorLarry Johnson2007-12-273-1/+193
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This driver is based on the driver for the LM75. Signed-off-by: Larry Johnson <lrj@acm.org>
| | * | | | | | | | | | | Add driver for STMicroelectronics M41T60 RTCLarry Johnson2007-12-272-0/+262
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This driver is based on the driver for the M41T11. In the intended application, the RTC will be powered by a large capacitor, rather than a battery. The driver therefore checks to see whether the RTC has lost power. The chip's OUT bit is normally reset from its power-up state. If the OUT bit is read as set, or if the date and time are not valid, then the RTC is assumed to have lost power, and its date and time are reset to 1900-01-01 00:00:00. Support for adjusting the speed of the clock to improve accuracy is provided through an environment variable. Signed-off-by: Larry Johnson <lrj@acm.org>
| | * | | | | | | | | | | Use out_be32() and friends to access memory-mapped registers in sequoia.cLarry Johnson2007-12-271-29/+29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Larry Johnson <lrj@acm.org>
| | * | | | | | | | | | | Use definitions from "asm-ppc/mmu.h" in init.S for SequoiaLarry Johnson2007-12-271-49/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Larry Johnson <lrj@acm.org>
| | * | | | | | | | | | | Cosmetic changes to ECC POST for AMCC Denali coreLarry Johnson2007-12-271-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Larry Johnson <lrj@acm.org>
| | * | | | | | | | | | | ppc4xx: Fix compilation problem in 405 cache POST testStefan Roese2007-12-271-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Stefan Roese <sr@denx.de>
| | * | | | | | | | | | | ppc4xx: Move virtual address of POST cache test to bigger addressStefan Roese2007-12-272-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On Sequoia & LWMON5 the virtual address of the POST cache test is now moved to a bigger address. This enables usage of more memory on those boards. Signed-off-by: Stefan Roese <sr@denx.de>
| | * | | | | | | | | | | ppc4xx: Fix problem in 44x cache POST routineStefan Roese2007-12-271-22/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As repoted by Larry Johnson, running "diag run cache" caused a crash in U-Boot. This problem was introduced by a patch that removed the TLB entry for the cache test after the test has completed. Since this TLB was only setup once, a 2nd attempt to run this cache test failed with a crash. Now this TLB entry is created every time the routine is called. Signed-off-by: Stefan Roese <sr@denx.de>
| | * | | | | | | | | | | ppc4xx: Update Makalu fdt supportStefan Roese2007-12-271-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Stefan Roese <sr@denx.de>
| | * | | | | | | | | | | ppc4xx: Add fdt support to AMCC Katmai eval boardStefan Roese2007-12-272-1/+34
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Stefan Roese <sr@denx.de>
| | * | | | | | | | | | | ppc4xx: fdt: Cleanup setup of cpu node setupStefan Roese2007-12-273-5/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now the cpu node setup ("timebase-frequency" and "clock-frequency") is without using the absolute path to the cpu node. This makes it possible to use this U-Boot version with both versions of cpu-node naming "cpu@0" and the former "PowerPC,440EPx@0". Signed-off-by: Stefan Roese <sr@denx.de>
| | * | | | | | | | | | | ppc4xx: Fix lwmon5 compilation problemStefan Roese2007-12-271-29/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that the 440EPx ECC test is not board specific anymore remove this Makefile. Signed-off-by: Stefan Roese <sr@denx.de>
| | * | | | | | | | | | | Fix ppc4xx clear_bss() codeAnatolij Gustschin2007-12-271-4/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ppc4xx clear_bss() fails if BSS segment size is not divisible by 4 without remainder. This patch provides fix for this problem. Signed-off-by: Anatolij Gustschin <agust@denx.de>
| | * | | | | | | | | | | PPC4xx: Minimal changes to add vxWorks supportNiklaus Giger2007-12-271-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Niklaus Giger <niklaus.giger@netstal.com>
| | * | | | | | | | | | | ppc4xx: Add CONFIG_BOOTP_SUBNETMASK to Sequoia board configMarkus Klotzbücher2007-12-271-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When using dhcp/bootp the "netmask" environment variable is not set because CONFIG_BOOTP_SUBNETMASK is not defined. But usually this is desireable, so the following patch adds this this option to the board config. Signed-off-by: Markus Klotzbuecher <mk@denx.de> Signed-off-by: Stefan Roese <sr@denx.de>
| | * | | | | | | | | | | Fix/enhance ECC POST for 440EPx/GRxLarry Johnson2007-12-272-46/+46
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch allows the ECC POST to be used for different boards with the PPC440 Denali SDRAM controller. Modifications include skipping the test if ECC is not enabled (as for non-ECC DIMMs) and adding synchronization to prevent timing errors. Signed-off-by: Larry Johnson <lrj@acm.org>
| | * | | | | | | | | | | PPC4xx: Move/rename ECC POST for 440EPx/GRxLarry Johnson2007-12-271-0/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Larry Johnson <lrj@acm.org>
| | * | | | | | | | | | | ppc4xx: use correct io accessors for 4xx ethernet POSTMatthias Fuchs2007-12-271-21/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Matthias Fuchs <matthias.fuchs@esd-electronics.com>
| | * | | | | | | | | | | ppc4xx: fix flush + invalidate_dcache_range argumentsMatthias Fuchs2007-12-271-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | flush + invalidate_dcache_range() expect the start and stop+1 address. So the stop address is the first address behind (!) the range. Signed-off-by: Matthias Fuchs <matthias.fuchs@esd-electronics.com>
| | * | | | | | | | | | | ppc4xx: fdt: use fdt_fixup_ethernet()Stefan Roese2007-12-271-71/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | By using aliases in the dts file, the ethernet node fixup is much easier with the recently added functions. Please note that the dts file needs the aliases for this to work. Signed-off-by: Stefan Roese <sr@denx.de>
| | * | | | | | | | | | | ppc4xx: Bring 4xx fdt support up-to-dateStefan Roese2007-12-275-83/+66
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch update the 4xx fdt support. It enabled fdt booting on the AMCC Kilauea and Sequoia for now. More can follow later quite easily. Signed-off-by: Stefan Roese <sr@denx.de>
| * | | | | | | | | | | | ppc4xx: Bring 4xx fdt support up-to-dateStefan Roese2007-12-135-83/+66
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch update the 4xx fdt support. It enabled fdt booting on the AMCC Kilauea and Sequoia for now. More can follow later quite easily. Signed-off-by: Stefan Roese <sr@denx.de>
| * | | | | | | | | | | | Merge commit 'u-boot-fdt/testing'Stefan Roese2007-12-137-52/+136
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| * | | | | | | | | | | | ppc4xx: Correct GPIO offset in gpio_config()Stefan Roese2007-12-111-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Thanks to Gary Jennejohn for pointing this out. Signed-off-by: Stefan Roese <sr@denx.de>
| * | | | | | | | | | | | rtc: Fix merging problemStefan Roese2007-12-111-0/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Stefan Roese <sr@denx.de>
| * | | | | | | | | | | | Merge commit 'u-boot/master' into for-1.3.1Stefan Roese2007-12-11431-1916/+6451
| |\ \ \ \ \ \ \ \ \ \ \ \ | | | |_|_|_|_|_|_|_|/ / / | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: drivers/rtc/Makefile
| * | | | | | | | | | | | ppc4xx: 405EX: Correctly enable USB pinsStefan Roese2007-12-085-10/+39
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch selects the USB data pins in the 405EX GPIO and MFC (multi function control) registers. This is done for the AMCC Kilauea and Makalu eval boards. Signed-off-by: Stefan Roese <sr@denx.de>
| * | | | | | | | | | | | ppc4xx: Enable hardware-fix for PCI/DMA errata on AMCC 440SP/SPe boardsStefan Roese2007-12-064-8/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: Yosemite/Yellowstone: Add DTT AD7414 supportStefan Roese2007-12-041-0/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Stefan Roese <sr@denx.de>
| * | | | | | | | | | | | ppc4xx: Kilauea: Add PCIe reset assertion upon power-upStefan Roese2007-11-301-9/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This manual PCIe reset triggering solves the problem seen with the Intel EPRO/1000 card, which was not detected (link not established) upon power-up reset. Signed-off-by: Stefan Roese <sr@denx.de>
generated by cgit (git 2.34.1) at 2025-10-01 01:38:00 +0000