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| /rk3399_rockchip-uboot/arch/arm/lib/ |
| H A D | cache.c | 7e4a9e6dc819b2b3499659ca90e1e9c6d4ca3077 Fri Sep 17 11:10:32 UTC 2010 Heiko Schocher <hs@denx.de> 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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| /rk3399_rockchip-uboot/arch/arm/cpu/arm1136/ |
| H A D | start.S | 7e4a9e6dc819b2b3499659ca90e1e9c6d4ca3077 Fri Sep 17 11:10:32 UTC 2010 Heiko Schocher <hs@denx.de> 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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