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37df722266
SPI Flash chip supports up to 33 MHz wihout fast read opcode. Available frequencies are 112.5, 56.25, 37.5, 28.125, 22.5 etc. This patch increases the nominal maximum frequency to 33 MHz, reaching an effective increase from 22.5 to 28.125 MHz. Formula to calculate SPI frequency: Freq = 225 MHz / 2 / div Before: $ time dd if=/dev/mtd1 of=/dev/null bs=8M 0+1 records in 0+1 records out real 0m 3.58s user 0m 0.00s sys 0m 3.57s After: $ time dd if=/dev/mtd1 of=/dev/null bs=8M 0+1 records in 0+1 records out real 0m 2.95s user 0m 0.00s sys 0m 2.93s Signed-off-by: Aleksander Jan Bajkowski <A.Bajkowski@stud.elka.pw.edu.pl> [minor commit message adjustments] Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de> |
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| .. | ||
| base-files/etc/hotplug.d/ieee80211 | ||
| dts | ||
| files | ||
| generic | ||
| image | ||
| mikrotik | ||
| nand | ||
| patches-4.19 | ||
| patches-5.4 | ||
| tiny | ||
| config-4.19 | ||
| config-5.4 | ||
| Makefile | ||
| modules.mk | ||