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Diffstat (limited to 'doc/README.sbc8548')
| -rw-r--r-- | doc/README.sbc8548 | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/doc/README.sbc8548 b/doc/README.sbc8548 index 0f3f543..feac5e3 100644 --- a/doc/README.sbc8548 +++ b/doc/README.sbc8548 @@ -23,7 +23,7 @@ of each choice are listed below. Choice #1 does not enable CONFIG_PCI, and assumes that the PCI slot will be left empty (M66EN high), and so the board will operate with -a base clock of 66MHz. Note that you need both PCI enabled in u-boot +a base clock of 66MHz. Note that you need both PCI enabled in u-boot and linux in order to have functional PCI under linux. The second enables PCI support and builds for a 33MHz clock rate. Note @@ -37,29 +37,29 @@ card. [The above discussion assumes that the SW2[1-4] has not been changed to reflect a different CCB:SYSCLK ratio] The third option builds PCI support in, and leaves the clocking at the -default 66MHz. Options four and five are just repeats of option two +default 66MHz. Options four and five are just repeats of option two and three, but with PCI-e support enabled as well. PCI output listing with an intel e1000 PCI-x and a Syskonnect SK-9Exx -is shown below for sbc8548_PCI_66_PCIE_config. (Note that PCI-e with +is shown below for sbc8548_PCI_66_PCIE_config. (Note that PCI-e with a 33MHz PCI configuration is currently untested.) => pci 0 Scanning PCI devices on bus 0 - BusDevFun VendorId DeviceId Device Class Sub-Class + BusDevFun VendorId DeviceId Device Class Sub-Class _____________________________________________________________ - 00.00.00 0x1057 0x0012 Processor 0x20 - 00.01.00 0x8086 0x1026 Network controller 0x00 + 00.00.00 0x1057 0x0012 Processor 0x20 + 00.01.00 0x8086 0x1026 Network controller 0x00 => pci 1 Scanning PCI devices on bus 1 - BusDevFun VendorId DeviceId Device Class Sub-Class + BusDevFun VendorId DeviceId Device Class Sub-Class _____________________________________________________________ - 01.00.00 0x1957 0x0012 Processor 0x20 + 01.00.00 0x1957 0x0012 Processor 0x20 => pci 2 Scanning PCI devices on bus 2 - BusDevFun VendorId DeviceId Device Class Sub-Class + BusDevFun VendorId DeviceId Device Class Sub-Class _____________________________________________________________ - 02.00.00 0x1148 0x9e00 Network controller 0x00 + 02.00.00 0x1148 0x9e00 Network controller 0x00 => Memory Size and using SPD: @@ -80,10 +80,10 @@ You can also visually inspect the board to see if this hardware fix has been applied: 1) Remove R314 (RES-R0174-033, 1K, 0603). R314 is located on - the back of the PCB behind the DDR SDRAM SODIMM connector. + the back of the PCB behind the DDR SDRAM SODIMM connector. 2) Solder RES-R0174-033 (1K, 0603) resistor from R314 pin 2 pad - to R313 pin 2. Pin 2 for each resistor is the end of the - resistor closest to the CPU. + to R313 pin 2. Pin 2 for each resistor is the end of the + resistor closest to the CPU. Boards without the mod will have R314 and R313 in parallel, like "||". After the mod, they will be touching and form an "L" shape. @@ -155,7 +155,7 @@ Hardware Reference: =================== The following contains some summary information on hardware settings -that are relevant to u-boot, based on the board manual. For the +that are relevant to u-boot, based on the board manual. For the most up to date and complete details of the board, please request the reference manual ERG-00327-001.pdf from www.windriver.com |