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* MFC r260281, r260282, r260283, r260285ian2014-05-141-3/+0
| | | | | | | | | | | | | Implement OFW_BUS_MAP_INTR() in terms of the FDT PIC table Reimplement fdt_intr_to_rl() in terms of OFW_BUS_MAP_INTR() and OFW_BUS_CONFIG_INTR(). Use bus_space_map() rather than pmap_mapdev() in nexus_activate_resource(), when running on FDT systems. Unmap memory in nexus_deactivate_resource(). Remove fdt_pic_table code from MIPS, PowerPC, and x86, as it is no longer used by anything.
* Add basic support for FDT to i386 & amd64. This change includes:marcel2013-05-211-0/+51
1. Common headers for fdt.h and ofw_machdep.h under x86/include with indirections under i386/include and amd64/include. 2. New modinfo for loader provided FDT blob. 3. Common x86_init_fdt() called from hammer_time() on amd64 and init386() on i386. 4. Split-off FDT specific low-level console functions from FDT bus methods for the uart(4) driver. The low-level console logic has been moved to uart_cpu_fdt.c and is used for arm, mips & powerpc only. The FDT bus methods are shared across all architectures. 5. Add dev/fdt/fdt_x86.c to hold the fdt_fixup_table[] and the fdt_pic_table[] arrays. Both are empty right now. FDT addresses are I/O ports on x86. Since the core FDT code does not handle different address spaces, adding support for both I/O ports and memory addresses requires some thought and discussion. It may be better to use a compile-time option that controls this. Obtained from: Juniper Networks, Inc.
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