| Commit message (Collapse) | Author | Age | Files | Lines |
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Hardware generated checksum UDP packets does not work for
IP fragmented UDP packets. It seems as if the BSD stack never
signals to the GRETH driver to generate or not to generate
TCP/UDP checksum for different cases. The GRETH driver never
tells the BSD stack about it capabilities either so there is
no point generating the cksums in HW when its done in SW any
way.
This patch disables hardware generated UDP and TCP checksums.
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1. read_mii() now returns 0xffff on failure. It is more robust when it
comes to reading the reset bit in the control register, that is the
first access.
2. write_mii() now has error printout like read_mii().
3. Additional (optional) PHY access debugging is now available by
enabling GRETH_DEBUG_MII. Even successful accesses are printed.
4. Let PHY do power-down (not only reset) to get in a good state,
this is just in case the PHY input pin settings are sampled only
on PHY power-up on some PHYs.
5. PHY GBit advertisement is disabled if Gbit is not supported by MAC.
Or forced if supported.
6. Auto-nego is started if supported by PHY, before it was started only
if default set by PHY.
7. Reset Sequence updated:
* one must wait until reset bit is self-cleared.
* the DD (Disable Duplex Detection) bit is set, only affects
EDCL capable devices. This lets RTEMS handle PHY initialization
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Looking at PHY Ctrl register without reseting it will give back
old register content, that is not stable. Instead the PHY is
reset and the autonogotiation capability is read out and
started if present.
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The name was probably copied from the DEC21140 driver
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Most drivers use the Driver Manager for device probing, they
work on AMBA-over-PCI systems if PCI is big-endian.
New APIs:
* GPIO Library, interfaced to GRGPIO
* GENIRQ, Generic interrupt service implementation helper
New GRLIB Drivers:
* ACTEL 1553 RT, user interface is similar to 1553 BRM driver
* GR1553 (1553 BC, RT and BM core)
* AHBSTAT (AHB error status core)
* GRADCDAC (Core interfacing to ADC/DAC hardware)
* GRGPIO (GPIO port accessed from GPIO Library)
* MCTRL (Memory controller settings configuration)
* GRETH (10/100/1000 Ethernet driver using Driver manager)
* GRPWM (Pulse Width Modulation core)
* SPICTRL (SPI master interface)
* GRSPW_ROUTER (SpaceWire Router AMBA configuration interface)
* GRCTM (SpaceCraft on-board Time Management core)
* SPWCUC (Time distribution over SpaceWire)
* GRTC (SpaceCraft up-link Tele core)
* GRTM (SpaceCraft down-link Tele Metry core)
GR712RC ASIC specific interfaces:
* GRASCS
* CANMUX (select between OCCAN and SATCAN)
* SATCAN
* SLINK
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