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authorHeiko Schocher <hs@denx.de>2010-09-17 13:10:32 +0200
committerWolfgang Denk <wd@denx.de>2010-09-19 19:29:51 +0200
commit7e4a9e6dc819b2b3499659ca90e1e9c6d4ca3077 (patch)
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parent95c6f6d34d4ff23f4d005488d84682eec5fa9ec8 (diff)
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ARM (ARM11): add data cache support, test on Qong board
Add data cache support for arm1136 systems. Enable "cache" command on Qong board and test performance. Test 1: Loading 127 MB of data from NAND flash into RAM: Instr. Cache off on on Data Cache off off on -------------------------------------------------- QONG (ARM11) 177s 95s 43s = x 4.1 Test 2: uncompressing a gzipped image from RAM to RAM (size compressed: 6.5 MiB, uncompressed: 35 MiB): Instr. Cache off on on Data Cache off off on -------------------------------------------------- QONG (ARM11) 1.54s 0.95s 0.18s = x 8.6 Portions of this work were supported by funding from the CE Linux Forum. Signed-off-by: Heiko Schocher <hs@denx.de>
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