en:bpi-r4:start
Differences
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en:bpi-r4:start [2024/04/27 09:24] – [rtc] frank | en:bpi-r4:start [2024/05/13 17:48] (current) – [Network] frank | ||
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===== thermal ===== | ===== thermal ===== | ||
+ | |||
+ | cat / | ||
Uses lvts driver | Uses lvts driver | ||
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GMAC0 (4GBit/s) is connected internally to mt7530 switch variant where the 4 user-Ports are exposed as rj45 on board (1xWan, | GMAC0 (4GBit/s) is connected internally to mt7530 switch variant where the 4 user-Ports are exposed as rj45 on board (1xWan, | ||
- | The SFP(+) cages are connected to SerDes lanes of GMAC1 and GMAC2, and those can be switched between SGMII/ | + | The SFP(+) cages are connected to SerDes lanes of GMAC1 and GMAC2, and those can be switched between SGMII/ |
+ | |||
+ | Supported interface modes for the SFP+ cages of the R4 are: SGMII, 1000Base-X, 2500Base-X, 5GBase-R, 10GBase-R, USXGMII | ||
+ | |||
+ | So 1.25Gbps (= 1000Base-X or SGMII) and 3.125Gbps (= 2500Base-X) | ||
Sfp-connections | Sfp-connections | ||
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NETSYS: V2 for mt7986 (bpi-r3) V3 for mt7988 (bpi-r4) | NETSYS: V2 for mt7986 (bpi-r3) V3 for mt7988 (bpi-r4) | ||
+ | |||
+ | Daniel tells me that lro should be enabled via userspace with | ||
+ | |||
+ | ethtool -N $ifname flow-type tcp4 dst-ip $lan_ip loc 0 | ||
==== Wifi ==== | ==== Wifi ==== | ||
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Battery connection looks like charging circuit for ml2032. You should not connect non-rechargeable battery like cr2032. | Battery connection looks like charging circuit for ml2032. You should not connect non-rechargeable battery like cr2032. | ||
+ | |||
+ | https:// | ||
Connector is JST with 1.25mm pitch | Connector is JST with 1.25mm pitch | ||
+ | RTC time will survive software reboot | ||
+ | < | ||
+ | # dmesg | grep rtc | ||
+ | [ 1.479923] rtc-pcf8563 2-0051: low voltage detected, date/time is not reliable. | ||
+ | [ 1.487390] rtc-pcf8563 2-0051: registered as rtc0 | ||
+ | [ 1.493378] rtc-pcf8563 2-0051: low voltage detected, date/time is not reliable. | ||
+ | [ 1.500771] rtc-pcf8563 2-0051: hctosys: unable to read the hardware clock | ||
+ | root@bpi-r4-v11: | ||
+ | # date -s " | ||
+ | Sat Apr 27 07:55:00 UTC 2024 | ||
+ | root@bpi-r4-v11: | ||
+ | # hwclock -w | ||
+ | root@bpi-r4-v11: | ||
+ | # hwclock -r | ||
+ | 2024-04-27 07: | ||
+ | root@bpi-r4-v11: | ||
+ | # reboot | ||
+ | ... | ||
+ | root@bpi-r4-v11: | ||
+ | # dmesg | grep rtc | ||
+ | [ 1.480067] rtc-pcf8563 2-0051: registered as rtc0 | ||
+ | [ 1.486061] rtc-pcf8563 2-0051: setting system clock to 2024-04-27T07: | ||
+ | root@bpi-r4-v11: | ||
+ | # date | ||
+ | Sat Apr 27 08:00:46 UTC 2024 | ||
+ | root@bpi-r4-v11: | ||
+ | </ | ||
===== uboot/ATF ===== | ===== uboot/ATF ===== | ||
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currently use these: | currently use these: | ||
- | * uboot: https:// | + | * uboot: https:// |
* ATF: https:// | * ATF: https:// | ||
en/bpi-r4/start.1714202680.txt.gz · Last modified: 2024/04/27 09:24 by frank