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Fix ptrace and interrupt register overflow warning.
Add missing P0 and P1 (r26 and r27) into register lists.
These register are usually used in OS.
Signed-off-by: Macpaul Lin <macpaul@gmail.com>
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Add linkage support.
Signed-off-by: Macpaul Lin <macpaul@andestech.com>
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Enhance io.h for periphals origin design on x86 systems.
For example, pci, ide, etc.
Signed-off-by: Macpaul Lin <macpaul@andestech.com>
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Add softcore SoC ag101p and the board adp-ag101p support.
Signed-off-by: Macpaul Lin <macpaul@andestech.com>
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1. This patch add required __iormb and __iowmb to io.h.
This also fix some misbehavior to periphal drivers.
This io.h has been fixed with referencing arm/include/asm/io.h.
2. This patch replaced macro writeb and readb into inline function.
Signed-off-by: Macpaul Lin <macpaul@andestech.com>
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Add ARCH_DMA_MINALIGN definition to asm/cache.h
Signed-off-by: Macpaul Lin <macpaul@andestech.com>
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SoC ag101 is the first chip using NDS32 N1213 cpu core.
Add header file of device offset support for SoC ag101.
Add main function of SoC ag101 based on NDS32 n1213 core.
Add lowlevel_init.S and other periphal related code.
This version of lowlevel_init.S also replace hardcode value
by MARCO defines from the GPL version andesboot for better
code quality.
Signed-off-by: Macpaul Lin <macpaul@andestech.com>
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Add generic header files support for nds32 architecture.
Cache, ptregs, data type and other definitions are included.
Signed-off-by: Macpaul Lin <macpaul@andestech.com>
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