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It was reported that some rb912 boards (ar934x) have issues with some ethernet speeds. Investigation shows that the board failed to adapt the ethernet pll values as shown here: [ 5.284359] ag71xx 19000000.eth: failed to read pll-handle property added custom prints in code and triggering a link switch: [ 62.821446] Atheros AG71xx: fast reset [ 62.826442] Atheros AG71xx: update pll 2 [ 62.830494] Atheros AG71xx: no pll regmap! Comparison with another very similar board (rb922 - QCA955x) showed a missing reference clock frequency in dts, which seems to cause a pll init issue. Unfortunately, no errors are printed when this occurs. Adding the frequency property fixes the pll init as it can be parsed now by the ethernet driver. [ 55.861407] Atheros AG71xx: fast reset [ 55.866403] Atheros AG71xx: update pll 2 [ 55.870462] Atheros AG71xx: ath79_set_pllval: regmap: 0x81548000, pll_reg: 0x2c, pll_val: 0x02000000 Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com> Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com> |
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| .. | ||
| base-files/etc/hotplug.d/ieee80211 | ||
| dts | ||
| files | ||
| generic | ||
| image | ||
| mikrotik | ||
| nand | ||
| patches-5.10 | ||
| tiny | ||
| config-5.10 | ||
| Makefile | ||
| modules.mk | ||