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if_lpe.c: Import legacy LPC Ethernet driver

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The standard FreeBSD MII support causes severe problems on the LPC3200
chip family.  If an Ethernet module register is accessed while there is
no clock from the PHY, the chip completely locks up and only an external
watchdog can recover from this state.  The legacy driver had a custom
PHY management code which helped to avoid such issues.  The if_lpe.c
driver is no longer maintained by FreeBSD.
This commit is contained in:
Sebastian Huber
2022-06-09 10:10:06 +02:00
parent d6b8db2f2f
commit 5b031886e1
3 changed files with 1739 additions and 1539 deletions
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libbsd.py
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@@ -221,7 +221,6 @@ class rtems(builder.Module):
'rtems/rtems-legacy-rtrequest.c',
'rtems/rtems-legacy-newproc.c',
'rtems/rtems-legacy-mii.c',
'sys/arm/lpc/if_lpe.c',
'sys/arm/lpc/lpc_pwr.c',
'sys/dev/atsam/if_atsam.c',
'sys/dev/atsam/if_atsam_media.c',