Max Filippov 3de00482b0 xtensa: minimize use of PLATFORM_DEFAULT_MEM_{ADDR,SIZE} ... Now that the kernel load address and KSEG physical base address have their own Kconfig symbols PLATFORM_DEFAULT_MEM seems redundant. It makes little sense to use it in MMU configurations instead of KSEG_PADDR. In noMMU configurations there's no explicit KSEG, so it's still useful for the early cache initialization and definition of ARCH_PFN_OFFSET, which affects mem_map size. - limit it to noMMU; MMU variants have XCHAL_KSEG_PADDR and XCHAL_KSEG_SIZE; - don't use it to define TASK_SIZE or MAX_LOW_PFN: first doesn't make any difference in noMMU, second is meaningless as there's no high memory; - don't add default physical memory region: memory layout should come from the DT, bootloader tags, or memmap= command line parameter. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>		2016-07-24 06:33:59 +03:00
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asm	xtensa: minimize use of PLATFORM_DEFAULT_MEM_{ADDR,SIZE}	2016-07-24 06:33:59 +03:00
uapi/asm	xtensa: add alternative kernel memory layouts	2016-07-24 06:33:58 +03:00