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| author | Vipin KUMAR <vipin.kumar@st.com> | 2010-06-29 10:53:34 +0530 |
|---|---|---|
| committer | Ben Warren <biggerbadderben@gmail.com> | 2010-07-12 00:08:05 -0700 |
| commit | 5b1b1883ffcb75de71a0b4e66b279c88ae1e15fc (patch) | |
| tree | ffc67591a22a14a71b994141a0b61682de775df5 /doc/README.designware_eth | |
| parent | c19a20d5bd3c2196fb1562a329191e2347d5a40a (diff) | |
| download | u-boot-imx-5b1b1883ffcb75de71a0b4e66b279c88ae1e15fc.zip u-boot-imx-5b1b1883ffcb75de71a0b4e66b279c88ae1e15fc.tar.gz u-boot-imx-5b1b1883ffcb75de71a0b4e66b279c88ae1e15fc.tar.bz2 | |
SPEAr : Network driver support added
Designware network driver support added.
This is a Synopsys ethernet controller
Signed-off-by: Vipin Kumar <vipin.kumar@st.com>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
Diffstat (limited to 'doc/README.designware_eth')
| -rw-r--r-- | doc/README.designware_eth | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/doc/README.designware_eth b/doc/README.designware_eth new file mode 100644 index 0000000..25ec6bd --- /dev/null +++ b/doc/README.designware_eth @@ -0,0 +1,25 @@ +This driver supports Designware Ethernet Controller provided by Synopsis. + +The driver is enabled by CONFIG_DESIGNWARE_ETH. + +The driver has been developed and tested on SPEAr platforms. By default, the +MDIO interface works at 100/Full. #defining the below options in board +configuration file changes this behavior. + +Call an subroutine from respective board/.../board.c +designware_initialize(u32 id, ulong base_addr, u32 phy_addr); + +The various options suported by the driver are +1. CONFIG_DW_ALTDESCRIPTOR + Define this to use the Alternate/Enhanced Descriptor configurations. +1. CONFIG_DW_AUTONEG + Define this to autonegotiate with the host before proceeding with mac + level configuration. This obviates the definitions of CONFIG_DW_SPEED10M + and CONFIG_DW_DUPLEXHALF. +2. CONFIG_DW_SPEED10M + Define this to change the default behavior from 100Mbps to 10Mbps. +3. CONFIG_DW_DUPLEXHALF + Define this to change the default behavior from Full Duplex to Half. +4. CONFIG_DW_SEARCH_PHY + Define this to search the phy address. This would overwrite the value + passed as 3rd arg from designware_initialize routine. |