diff options
| author | Giuseppe CAVALLARO <peppe.cavallaro@st.com> | 2011-09-01 21:51:41 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-09-15 15:40:01 -0400 |
| commit | e7434821411b5fc24ab23e55cb11ea793248cb6b (patch) | |
| tree | d6ea9d683e56916c5d9a7f59cafc4866deb07655 /drivers/net/ethernet/stmicro/stmmac/common.h | |
| parent | f0b9d7865a95fdcb18319a678c616156be74cdfb (diff) | |
| download | talos-op-linux-e7434821411b5fc24ab23e55cb11ea793248cb6b.tar.gz talos-op-linux-e7434821411b5fc24ab23e55cb11ea793248cb6b.zip | |
stmmac: add HW DMA feature register (v3)
New GMAC chips have an extra register to indicate
the presence of the optional features/functions of
the DMA core.
This patch adds this support and all the HW cap
are exported via debugfs.
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/common.h')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/common.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h index 65b1e56a97c9..22c61b2ebfa3 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -116,6 +116,37 @@ enum tx_dma_irq_status { handle_tx_rx = 3, }; +/* DMA HW capabilities */ +struct dma_features { + unsigned int mbps_10_100; + unsigned int mbps_1000; + unsigned int half_duplex; + unsigned int hash_filter; + unsigned int multi_addr; + unsigned int pcs; + unsigned int sma_mdio; + unsigned int pmt_remote_wake_up; + unsigned int pmt_magic_frame; + unsigned int rmon; + /* IEEE 1588-2002*/ + unsigned int time_stamp; + /* IEEE 1588-2008*/ + unsigned int atime_stamp; + /* 802.3az - Energy-Efficient Ethernet (EEE) */ + unsigned int eee; + unsigned int av; + /* TX and RX csum */ + unsigned int tx_coe; + unsigned int rx_coe_type1; + unsigned int rx_coe_type2; + unsigned int rxfifo_over_2048; + /* TX and RX number of channels */ + unsigned int number_rx_channel; + unsigned int number_tx_channel; + /* Alternate (enhanced) DESC mode*/ + unsigned int enh_desc; +}; + /* GMAC TX FIFO is 8K, Rx FIFO is 16K */ #define BUF_SIZE_16KiB 16384 #define BUF_SIZE_8KiB 8192 @@ -188,6 +219,8 @@ struct stmmac_dma_ops { void (*stop_rx) (void __iomem *ioaddr); int (*dma_interrupt) (void __iomem *ioaddr, struct stmmac_extra_stats *x); + /* If supported then get the optional core features */ + unsigned int (*get_hw_feature) (void __iomem *ioaddr); }; struct stmmac_ops { |
