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* arc: relocate - minor refactoring and clean-upAlexey Brodkin2015-01-15-0/+1
| | | | | | | | | | * use better symbols for relocatable region boundaries ("__image_copy_start" instead of "CONFIG_SYS_TEXT_BASE") * remove useless debug messages because they will only show up in case of both problem (when normal "if" branch won't be taken) and DEBUG take place which is pretty rare situation. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
* arc: introduce separate section for interrupt vector tableIgor Guryanov2015-01-15-0/+2
| | | | | | | | | | | | | | | | | | Even though existing implementation works fine in preparation to submission of ARCv2 architecture we need this change. In case of ARCv2 interrupt vector table consists of just addresses of corresponding handlers. And if those addresses will be in .text section then assembler will encode them as everything in .text section as middle-endian and then on real execution CPU will read swapped addresses and will jump into the wild. Once introduced new section is situated so .text section remains the first which allows us to use common linker option for linking everything to a specified CONFIG_SYS_TEXT_BASE. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Igor Guryanov <guryanov@synopsys.com>
* arc: add architecture header filesAlexey Brodkin2014-02-07-0/+14
These are header files used by ARC700 architecture. Also note that "arch-arc700/hardware.h" is only required for compilation of "designware_i2c" driver which refers to "asm/arch/hardware.h". It would be good to fix mentioned driver sometime soon but it will cause changes in ARM board configs that use "designware_i2c". Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Francois Bedard <fbedard@synopsys.com> Cc: Wolfgang Denk <wd@denx.de> Cc: Heiko Schocher <hs@denx.de>