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arc: add more flavours of ARC700 series CPU

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Now we may select a particular version of ARC700:
 * ARC750D or
 * ARC770D

It allows more flexible (or more fine tuned) configuration of U-Boot.
Before that change we relied on minimal configuration but now we may
use specific features of each CPU.

Moreover allows us to escape manual selection of options that
exist in both CPUs but may have say different version like MMUv2 in
ARC750D vs MMUv3 in ARC770D.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
This commit is contained in:
Alexey Brodkin
2015-02-03 13:58:11 +03:00
parent 832325c18d
commit 812980bdd6
8 changed files with 52 additions and 4 deletions
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include/configs/tb100.h
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@ -12,7 +12,6 @@
/*
* CPU configuration
*/
#define CONFIG_ARC_MMU_VER 3
#define CONFIG_SYS_CACHELINE_SIZE 32
#define CONFIG_SYS_TIMER_RATE CONFIG_SYS_CLK_FREQ