Max Filippov e85e335f8f xtensa: add MMU v3 support ... MMUv3 comes out of reset with identity vaddr -> paddr mapping in the TLB way 6: Way 6 (512 MB) Vaddr Paddr ASID Attr RWX Cache ---------- ---------- ---- ---- --- ------- 0x00000000 0x00000000 0x01 0x03 RWX Bypass 0x20000000 0x20000000 0x01 0x03 RWX Bypass 0x40000000 0x40000000 0x01 0x03 RWX Bypass 0x60000000 0x60000000 0x01 0x03 RWX Bypass 0x80000000 0x80000000 0x01 0x03 RWX Bypass 0xa0000000 0xa0000000 0x01 0x03 RWX Bypass 0xc0000000 0xc0000000 0x01 0x03 RWX Bypass 0xe0000000 0xe0000000 0x01 0x03 RWX Bypass This patch adds remapping code at the reset vector or at the kernel _start (depending on CONFIG_INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX) that reconfigures MMUv3 as MMUv2: Way 5 (128 MB) Vaddr Paddr ASID Attr RWX Cache ---------- ---------- ---- ---- --- ------- 0xd0000000 0x00000000 0x01 0x07 RWX WB 0xd8000000 0x00000000 0x01 0x03 RWX Bypass Way 6 (256 MB) Vaddr Paddr ASID Attr RWX Cache ---------- ---------- ---- ---- --- ------- 0xe0000000 0xf0000000 0x01 0x07 RWX WB 0xf0000000 0xf0000000 0x01 0x03 RWX Bypass Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>		2013-05-09 01:07:09 -07:00
..
asm-offsets.h	kbuild: move asm-offsets.h to include/generated	2009-12-12 13:08:14 +01:00
asmmacro.h
atomic.h	xtensa: dispatch medium-priority interrupts	2013-02-23 19:12:52 -08:00
barrier.h	xtensa: fix mb and wmb definitions	2012-12-18 21:10:23 -08:00
bitops.h	xtensa: add s32c1i-based bitops implementations	2012-12-18 21:10:22 -08:00
bootparam.h	xtensa: clean up files to make them code-style compliant	2012-12-18 21:10:25 -08:00
bugs.h
cache.h	dma-mapping: rename ARCH_KMALLOC_MINALIGN to ARCH_DMA_MINALIGN	2010-08-11 08:59:21 -07:00
cacheasm.h	xtensa: clean up files to make them code-style compliant	2012-12-18 21:10:25 -08:00
cacheflush.h	xtensa: clean up files to make them code-style compliant	2012-12-18 21:10:25 -08:00
checksum.h	xtensa: add missing include asm/uaccess.h to checksum.h	2013-02-23 19:23:13 -08:00
cmpxchg.h	xtensa: clean up files to make them code-style compliant	2012-12-18 21:10:25 -08:00
coprocessor.h	xtensa: reorganize SR referencing	2012-10-15 21:48:08 -07:00
current.h	xtensa: clean up files to make them code-style compliant	2012-12-18 21:10:25 -08:00
delay.h	xtensa: clean up files to make them code-style compliant	2012-12-18 21:10:25 -08:00
dma-mapping.h	xtensa: Provide dummy dma_mmap_coherent() and dma_get_sgtable()	2013-01-29 08:27:41 +01:00
dma.h	Fix common misspellings	2011-03-31 11:26:23 -03:00
elf.h	xtensa: add support for TLS	2013-02-23 19:35:57 -08:00
fb.h
flat.h	xtensa: add flat support	2009-04-02 23:41:29 -07:00
ftrace.h	tracing: make CALLER_ADDRx overwriteable	2009-03-02 16:49:37 -05:00
gpio.h	gpiolib/arches: Centralise bolierplate asm/gpio.h	2012-05-11 18:00:14 -06:00
highmem.h	xtensa: clean up files to make them code-style compliant	2012-12-18 21:10:25 -08:00
hw_irq.h
initialize_mmu.h	xtensa: add MMU v3 support	2013-05-09 01:07:09 -07:00
io.h	xtensa: use physical addresses for bus addresses	2012-10-25 14:53:36 -07:00
irq.h	xtensa: allow variant to initialize own irq chips	2009-06-22 02:36:59 -07:00
irqflags.h	xtensa: reorganize SR referencing	2012-10-15 21:48:08 -07:00
Kbuild	tracing,x86: Add a TSC trace_clock	2012-11-13 15:48:27 -05:00
linkage.h
mmu_context.h	xtensa: clean up files to make them code-style compliant	2012-12-18 21:10:25 -08:00
mmu.h	xtensa: Use generic asm/mmu.h for nommu	2012-12-09 23:14:19 +01:00
module.h	Make most arch asm/module.h files use asm-generic/module.h	2012-09-28 14:31:03 +09:30
mutex.h
nommu_context.h	xtensa: clean up files to make them code-style compliant	2012-12-18 21:10:25 -08:00
page.h	xtensa: clean up files to make them code-style compliant	2012-12-18 21:10:25 -08:00
param.h	UAPI: (Scripted) Disintegrate arch/xtensa/include/asm	2012-10-15 21:48:53 -07:00
pci-bridge.h	xtensa: clean up files to make them code-style compliant	2012-12-18 21:10:25 -08:00
pci.h	xtensa: clean up files to make them code-style compliant	2012-12-18 21:10:25 -08:00
pgalloc.h	xtensa: clean up files to make them code-style compliant	2012-12-18 21:10:25 -08:00
pgtable.h	xtensa: avoid mmap cache aliasing	2013-02-23 19:12:53 -08:00
platform.h	xtensa: clean up files to make them code-style compliant	2012-12-18 21:10:25 -08:00
processor.h	xtensa: dispatch medium-priority interrupts	2013-02-23 19:12:52 -08:00
prom.h	xtensa: add device trees support	2012-12-18 21:10:23 -08:00
ptrace.h	xtensa: add support for TLS	2013-02-23 19:35:57 -08:00
regs.h	xtensa: dispatch medium-priority interrupts	2013-02-23 19:12:52 -08:00
rwsem.h	rwsem: Move duplicate function prototypes to linux/rwsem.h	2011-01-27 12:30:39 +01:00
segment.h
serial.h
shmparam.h
signal.h	consolidate kernel-side struct sigaction declarations	2013-02-03 15:09:22 -05:00
smp.h
spinlock.h	xtensa: add s32c1i-based spinlock implementations	2012-12-18 21:10:22 -08:00
string.h	xtensa: fix str[n]cmp return value	2013-02-23 19:22:31 -08:00
switch_to.h	Disintegrate asm/system.h for Xtensa	2012-03-28 18:30:03 +01:00
syscall.h	xtensa: switch to generic sigaltstack	2013-02-03 18:16:27 -05:00
thread_info.h	bury the rest of TIF_IRET	2012-10-01 09:58:13 -04:00
timex.h	xtensa: dispatch medium-priority interrupts	2013-02-23 19:12:52 -08:00
tlb.h	mm: Pass virtual address to [__]p{te,ud,md}_free_tlb()	2009-07-27 12:10:38 -07:00
tlbflush.h	xtensa: reorganize SR referencing	2012-10-15 21:48:08 -07:00
traps.h	xtensa: move spill_registers to traps.h	2013-02-23 19:22:48 -08:00
types.h	UAPI: (Scripted) Disintegrate arch/xtensa/include/asm	2012-10-15 21:48:53 -07:00
uaccess.h	xtensa: clean up files to make them code-style compliant	2012-12-18 21:10:25 -08:00
ucontext.h
unaligned.h	xtensa: switch to packed struct unaligned access implementation	2008-11-11 06:14:10 -08:00
unistd.h	burying unused conditionals	2013-02-14 09:21:15 -05:00
user.h
vectors.h	xtensa: add MMU v3 support	2013-05-09 01:07:09 -07:00
vga.h