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| author | David Gibson <david@gibson.dropbear.id.au> | 2007-08-23 07:56:01 +0400 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-10-11 03:51:52 +0400 |
| commit | 1d3bb996481e116f5f2b127cbd29b83365d2cf62 (patch) | |
| tree | b612a1dbf51c920fb5a9758a6d35f9ed37eb927f /arch/powerpc | |
| parent | 03233b90b0977d577322a6e1ddd56d9cc570d406 (diff) | |
| download | linux-1d3bb996481e116f5f2b127cbd29b83365d2cf62.tar.xz | |
Device tree aware EMAC driver
Based on BenH's earlier work, this is a new version of the EMAC driver
for the built-in ethernet found on PowerPC 4xx embedded CPUs. The
same ASIC is also found in the Axon bridge chip. This new version is
designed to work in the arch/powerpc tree, using the device tree to
probe the device, rather than the old and ugly arch/ppc OCP layer.
This driver is designed to sit alongside the old driver (that lies in
drivers/net/ibm_emac and this one in drivers/net/ibm_newemac). The
old driver is left in place to support arch/ppc until arch/ppc itself
reaches its final demise (not too long now, with luck).
This driver still has a number of things that could do with cleaning
up, but I think they can be fixed up after merging. Specifically:
- Should be adjusted to properly use the dma mapping API.
Axon needs this.
- Probe logic needs reworking, in conjuction with the general
probing code for of_platform devices. The dependencies here between
EMAC, MAL, ZMII etc. make this complicated. At present, it usually
works, because we initialize and register the sub-drivers before the
EMAC driver itself, and (being in driver code) runs after the devices
themselves have been instantiated from the device tree.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/platforms/44x/Kconfig | 3 | ||||
| -rw-r--r-- | arch/powerpc/platforms/cell/Kconfig | 4 |
2 files changed, 5 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig index 1b3e008fd148..8e66949e7c67 100644 --- a/arch/powerpc/platforms/44x/Kconfig +++ b/arch/powerpc/platforms/44x/Kconfig @@ -38,8 +38,7 @@ config 440EP config 440GP bool -# Disabled until the new EMAC Driver is merged. -# select IBM_NEW_EMAC_ZMII + select IBM_NEW_EMAC_ZMII config 440GX bool diff --git a/arch/powerpc/platforms/cell/Kconfig b/arch/powerpc/platforms/cell/Kconfig index ac8032034fb8..e1e2f6a43019 100644 --- a/arch/powerpc/platforms/cell/Kconfig +++ b/arch/powerpc/platforms/cell/Kconfig @@ -10,6 +10,10 @@ config PPC_CELL_NATIVE select PPC_INDIRECT_IO select PPC_NATIVE select MPIC + select IBM_NEW_EMAC_EMAC4 + select IBM_NEW_EMAC_RGMII + select IBM_NEW_EMAC_ZMII #test only + select IBM_NEW_EMAC_TAH #test only default n config PPC_IBM_CELL_BLADE |