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tg3: add support for Ethernet core in bcm4785

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The BCM4785 or sometimes named BMC4705 is a Broadcom SoC which a
Gigabit 5750 Ethernet core. The core is connected via PCI with the rest
of the SoC, but it uses some extension.

This core does not use a firmware or an eeprom.

Some devices only have a switch which supports 100MBit/s, this
currently does not work with this driver.

This patch was original written by Michael Buesch <m@bues.ch> and is in
OpenWrt for some years now.

This was tested on a Linksys WRT610N V1 and older versions of this patch
were tested by other people on different devices.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hauke Mehrtens
2013-02-07 05:37:39 +00:00
committed by David S. Miller
parent 5c358045ae
commit 7e6c63f03d
3 changed files with 117 additions and 6 deletions
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5
drivers/net/ethernet/broadcom/tg3.h
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@@ -3056,6 +3056,11 @@ enum TG3_FLAGS {
TG3_FLAG_57765_PLUS,
TG3_FLAG_57765_CLASS,
TG3_FLAG_5717_PLUS,
TG3_FLAG_IS_SSB_CORE,
TG3_FLAG_FLUSH_POSTED_WRITES,
TG3_FLAG_ROBOSWITCH,
TG3_FLAG_ONE_DMA_AT_ONCE,
TG3_FLAG_RGMII_MODE,
/* Add new flags before this comment and TG3_FLAG_NUMBER_OF_FLAGS */
TG3_FLAG_NUMBER_OF_FLAGS, /* Last entry in enum TG3_FLAGS */