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Diffstat (limited to 'c/src/lib/libbsp/powerpc/motorola_powerpc/README.MVME2300')
-rw-r--r-- | c/src/lib/libbsp/powerpc/motorola_powerpc/README.MVME2300 | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/c/src/lib/libbsp/powerpc/motorola_powerpc/README.MVME2300 b/c/src/lib/libbsp/powerpc/motorola_powerpc/README.MVME2300 deleted file mode 100644 index 572a4b175b..0000000000 --- a/c/src/lib/libbsp/powerpc/motorola_powerpc/README.MVME2300 +++ /dev/null @@ -1,39 +0,0 @@ -This BSP was adapted from Eric Valette MCP750 Generic motorola -port to MVME2300 by Jay Kulpinski <jskulpin@eng01.gdds.com>. -In other to work correctly, the Tundra Universe chip must -be turned off using PPCBug as explained below. - - - - -The Tundra Universe chip is a bridge between the PCI and VME buses. -It has four programmable mapping windows in each direction, much like -the Raven. PPCBUG lets you specify the mappings if you don't want -to do it in your application. The mappings on our board, which may -or not be the default Motorola mappings, had one window appearing -at 0x01000000 in PCI space. This is the same place the bootloader -code remapped the Raven registers. The windows' mappings are -very likely to be application specific, so I wouldn't worry too -much about setting them in the BSP, but it would be nice to have -a standard interface to do so. Whoever needs that first can -incorporate the ppcn_60x BSP code for the Universe chip. :-) - -These options in PPCBUG's ENV command did the job: - -VME3PCI Master Master Enable [Y/N] = Y? -PCI Slave Image 0 Control = 00000000? <----- -PCI Slave Image 0 Base Address Register = 00000000? -PCI Slave Image 0 Bound Address Register = 00000000? -PCI Slave Image 0 Translation Offset = 00000000? -PCI Slave Image 1 Control = 00000000? <----- -PCI Slave Image 1 Base Address Register = 01000000? -PCI Slave Image 1 Bound Address Register = 20000000? -PCI Slave Image 1 Translation Offset = 00000000? -PCI Slave Image 2 Control = 00000000? <----- -PCI Slave Image 2 Base Address Register = 20000000? -PCI Slave Image 2 Bound Address Register = 22000000? -PCI Slave Image 2 Translation Offset = D0000000? -PCI Slave Image 3 Control = 00000000? <----- -PCI Slave Image 3 Base Address Register = 2FFF0000? -PCI Slave Image 3 Bound Address Register = 30000000? -PCI Slave Image 3 Translation Offset = D0000000? |