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hw/net: add simple phy support to mcf_fec driver

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The Linux fec driver needs at least basic phy support to probe and work.
The current qemu mcf_fec emulation has no support for the reading or
writing of the MDIO lines to access an attached phy.

This code adds a very simple set of register results for a fixed phy
setup - very similar to that used on an m5208evb board. This is enough
to probe and identify an emulated attached phy.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1435296436-12152-4-git-send-email-gerg@uclinux.org
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Greg Ungerer 2015-06-26 15:27:15 +10:00 • committed by Stefan Hajnoczi
parent 3634869b27
commit 299f7bec5a
2 changed files with 53 additions and 2 deletions
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5
include/hw/net/mii.h
View file

@ -65,7 +65,12 @@
#define MII_ANLPAR_CSMACD (1 << 0)
/* List of vendor identifiers */
/* RealTek 8201 */
#define RTL8201CP_PHYID1 0x0000
#define RTL8201CP_PHYID2 0x8201
/* National Semiconductor DP83848 */
#define DP83848_PHYID1 0x2000
#define DP83848_PHYID2 0x5c90
#endif /* MII_H */