net: add support for STMicroelectronics Ethernet controllers.

This is the driver for the ST MAC 10/100/1000 on-chip Ethernet
controllers (Synopsys IP blocks).

Driver documentation:
 o http://stlinux.com/drupal/kernel/network/stmmac
Revisions:
 o http://stlinux.com/drupal/kernel/network/stmmac-driver-revisions
Performances:
 o http://stlinux.com/drupal/benchmarks/networking/stmmac

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 53 insertions, 0 deletions

diff --git a/drivers/net/stmmac/Kconfig b/drivers/net/stmmac/Kconfig
new file mode 100644
index 000000000000..35eaa5251d7f
--- /dev/null
+++ b/drivers/net/stmmac/Kconfig
@@ -0,0 +1,53 @@
+config STMMAC_ETH
+        tristate "STMicroelectronics 10/100/1000 Ethernet driver"
+        select MII
+        select PHYLIB
+        depends on NETDEVICES && CPU_SUBTYPE_ST40
+        help
+          This is the driver for the ST MAC 10/100/1000 on-chip Ethernet
+          controllers. ST Ethernet IPs are built around a Synopsys IP Core.
+
+if STMMAC_ETH
+
+config STMMAC_DA
+        bool "STMMAC DMA arbitration scheme"
+        default n
+        help
+          Selecting this option, rx has priority over Tx (only for Giga
+          Ethernet device).
+          By default, the DMA arbitration scheme is based on Round-robin
+          (rx:tx priority is 1:1).
+
+config STMMAC_DUAL_MAC
+        bool "STMMAC: dual mac support (EXPERIMENTAL)"
+        default n
+        depends on EXPERIMENTAL && STMMAC_ETH && !STMMAC_TIMER
+        help
+          Some ST SoCs (for example the stx7141 and stx7200c2) have two
+          Ethernet Controllers. This option turns on the second Ethernet
+          device on this kind of platforms.
+
+config STMMAC_TIMER
+        bool "STMMAC Timer optimisation"
+        default n
+        help
+          Use an external timer for mitigating the number of network
+          interrupts.
+
+choice
+        prompt "Select Timer device"
+        depends on STMMAC_TIMER
+
+config STMMAC_TMU_TIMER
+        bool "TMU channel 2"
+        depends on CPU_SH4
+        help
+
+config STMMAC_RTC_TIMER
+        bool "Real time clock"
+        depends on RTC_CLASS
+        help
+
+endchoice
+
+endif