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Author SHA1 Message Date
mark 8920fc9215 Rework of kernel I/O & memory mappings along with new implementation of 
bus_space_map for PCI memory.
The mapping of system devices and I/O space has been shuffled to place them
at the top of memory leaving a larger contiguous chunk between the kernel
itself and the I/O mappings for the kernel VM area. This allows support
for kernel VM areas > 48MB.
The 144MB fixed mapping of early PCI memory space has been removed and a
new version of the bus_space_map() function has been implemented to map
PCI memory into the kernel VM area as required rather than using the fixed
mapping.
A mapping of the first 1MB of PCI memory is maintained for ISA memory
accesses and accesses to the VGA memory.
 2000-01-10 07:43:07 +00:00
mark 0823f75d49 Initial commit of DC21285 'Footbridge' core logic support for the 
StrongARM SA110 processor
The DC21285 provides memory controller, timers, interrupt controller
PCI-HOST bridge and diagnostic serial port.
 1998-09-06 02:20:33 +00:00