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Diffstat (limited to 'include/linux/mv643xx_eth.h')
-rw-r--r--include/linux/mv643xx_eth.h59
1 files changed, 41 insertions, 18 deletions
diff --git a/include/linux/mv643xx_eth.h b/include/linux/mv643xx_eth.h
index a15cdd4a8e58..646177660495 100644
--- a/include/linux/mv643xx_eth.h
+++ b/include/linux/mv643xx_eth.h
@@ -17,30 +17,53 @@
struct mv643xx_eth_shared_platform_data {
struct mbus_dram_target_info *dram;
- unsigned int t_clk;
+ unsigned int t_clk;
};
struct mv643xx_eth_platform_data {
+ /*
+ * Pointer back to our parent instance, and our port number.
+ */
struct platform_device *shared;
- int port_number;
+ int port_number;
+ /*
+ * Whether a PHY is present, and if yes, at which address.
+ */
struct platform_device *shared_smi;
+ int force_phy_addr;
+ int phy_addr;
- u16 force_phy_addr; /* force override if phy_addr == 0 */
- u16 phy_addr;
-
- /* If speed is 0, then speed and duplex are autonegotiated. */
- int speed; /* 0, SPEED_10, SPEED_100, SPEED_1000 */
- int duplex; /* DUPLEX_HALF or DUPLEX_FULL */
-
- /* non-zero values of the following fields override defaults */
- u32 tx_queue_size;
- u32 rx_queue_size;
- u32 tx_sram_addr;
- u32 tx_sram_size;
- u32 rx_sram_addr;
- u32 rx_sram_size;
- u8 mac_addr[6]; /* mac address if non-zero*/
+ /*
+ * Use this MAC address if it is valid, overriding the
+ * address that is already in the hardware.
+ */
+ u8 mac_addr[6];
+
+ /*
+ * If speed is 0, autonegotiation is enabled.
+ * Valid values for speed: 0, SPEED_10, SPEED_100, SPEED_1000.
+ * Valid values for duplex: DUPLEX_HALF, DUPLEX_FULL.
+ */
+ int speed;
+ int duplex;
+
+ /*
+ * Override default RX/TX queue sizes if nonzero.
+ */
+ int rx_queue_size;
+ int tx_queue_size;
+
+ /*
+ * Use on-chip SRAM for RX/TX descriptors if size is nonzero
+ * and sufficient to contain all descriptors for the requested
+ * ring sizes.
+ */
+ unsigned long rx_sram_addr;
+ int rx_sram_size;
+ unsigned long tx_sram_addr;
+ int tx_sram_size;
};
-#endif /* __LINUX_MV643XX_ETH_H */
+
+#endif