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
..
align.S	xtensa: clean up files to make them code-style compliant	2012-12-18 21:10:25 -08:00
asm-offsets.c	xtensa: add support for TLS	2013-02-23 19:35:57 -08:00
coprocessor.S	xtensa: clean up files to make them code-style compliant	2012-12-18 21:10:25 -08:00
entry.S	xtensa: add support for TLS	2013-02-23 19:35:57 -08:00
head.S	xtensa: add MMU v3 support	2013-05-09 01:07:09 -07:00
irq.c	xtensa: add device trees support	2012-12-18 21:10:23 -08:00
Makefile	xtensa: add MMU v3 support	2013-05-09 01:07:09 -07:00
module.c	xtensa: clean up files to make them code-style compliant	2012-12-18 21:10:25 -08:00
pci-dma.c
pci.c	Xtensa patchset for 3.7	2012-10-09 16:11:46 +09:00
platform.c	xtensa: clean up files to make them code-style compliant	2012-12-18 21:10:25 -08:00
process.c	xtensa: add support for TLS	2013-02-23 19:35:57 -08:00
ptrace.c	xtensa: add support for TLS	2013-02-23 19:35:57 -08:00
setup.c	xtensa: dispatch medium-priority interrupts	2013-02-23 19:12:52 -08:00
signal.c	Changes for arch/xtensa for the 3.9 merge window.	2013-02-26 19:53:12 -08:00
syscall.c	xtensa: avoid mmap cache aliasing	2013-02-23 19:12:53 -08:00
time.c	xtensa: add IRQ domains support	2012-12-18 21:10:23 -08:00
traps.c	Changes for arch/xtensa for the 3.9 merge window.	2013-02-26 19:53:12 -08:00
vectors.S	xtensa: add MMU v3 support	2013-05-09 01:07:09 -07:00
vmlinux.lds.S	xtensa: add MMU v3 support	2013-05-09 01:07:09 -07:00
xtensa_ksyms.c	xtensa: fix oprofile building as module	2013-05-09 01:07:09 -07:00