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3 Commits

Author SHA1 Message Date
Greentime Hu
6897e6ecb3 nds32: Fix the dts pointer is not passed correctly issue. 
We found that the original implementation will only use the built-in dtb
pointer instead of the pointer pass from bootloader. This bug is fixed
by this patch.

Signed-off-by: Greentime Hu <greentime@andestech.com>
 2018-07-03 11:12:06 +08:00
Greentime Hu
3ff2228dce nds32: Fix the virtual address may map too much range by tlbop issue. 
We use tlbop to map virtual address in the first beginning, however it
may map too much if DRAM size is not that big. We have to invalidate the
mapping when the page table is created.

Signed-off-by: Greentime Hu <greentime@andestech.com>
 2018-05-23 13:26:21 +08:00
Greentime Hu
001d953ede nds32: Kernel booting and initialization 
This patch includes the kernel startup code. It can get dtb pointer
passed from bootloader. It will create a temp mapping by tlb
instructions at beginning and goto start_kernel.

Signed-off-by: Vincent Chen <vincentc@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
 2018-02-22 10:44:31 +08:00