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mediatek: filogic: increase flash speed on Netcore N60 Pro

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This commit increases the SPI bus frequency from 20 to 52 MHz. Reduces boot
time by 2s. Below is a performance comparison.

spi-max-frequency = <20000000>
> time dd if=/dev/mtd4 of=/dev/null bs=10M count=1
> 1+0 records in
> 1+0 records out
> real    0m 1.86s
> user    0m 0.00s
> sys     0m 0.28s

spi-max-frequency = <52000000>
> time dd if=/dev/mtd4 of=/dev/null bs=10M count=1
> 1+0 records in
> 1+0 records out
> real    0m 1.04s
> user    0m 0.00s
> sys     0m 0.27s

Signed-off-by: st7105 <st7105@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/21802
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
st7105
2026-01-31 10:40:47 +03:00
committed by Hauke Mehrtens
parent 78a0ef2389
commit e94d4f2022
1 changed files with 1 additions and 1 deletions
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2
target/linux/mediatek/dts/mt7986a-netcore-n60-pro.dts
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@@ -238,7 +238,7 @@
compatible = "spi-nand";
reg = <0>;
spi-max-frequency = <20000000>;
spi-max-frequency = <52000000>;
spi-tx-bus-width = <4>;
spi-rx-bus-width = <4>;