netdev: driver: ethernet: Add TI CPSW driver

This patch adds support for TI's CPSW driver.

The three port switch gigabit ethernet subsystem provides ethernet packet
communication and can be configured as an ethernet switch. Supports
10/100/1000 Mbps.

Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: Sriramakrishnan A G <srk@ti.com>
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 55 insertions, 0 deletions

diff --git a/include/linux/platform_data/cpsw.h b/include/linux/platform_data/cpsw.h
new file mode 100644
index 000000000000..c4e23d029498
--- /dev/null
+++ b/include/linux/platform_data/cpsw.h
@@ -0,0 +1,55 @@
+/*
+ * Texas Instruments Ethernet Switch Driver
+ *
+ * Copyright (C) 2012 Texas Instruments
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+#ifndef __CPSW_H__
+#define __CPSW_H__
+
+#include <linux/if_ether.h>
+
+struct cpsw_slave_data {
+        u32             slave_reg_ofs;
+        u32             sliver_reg_ofs;
+        const char      *phy_id;
+        int             phy_if;
+        u8              mac_addr[ETH_ALEN];
+};
+
+struct cpsw_platform_data {
+        u32     ss_reg_ofs;     /* Subsystem control register offset */
+        u32     channels;       /* number of cpdma channels (symmetric) */
+        u32     cpdma_reg_ofs;  /* cpdma register offset */
+        u32     cpdma_sram_ofs; /* cpdma sram offset */
+
+        u32     slaves;         /* number of slave cpgmac ports */
+        struct cpsw_slave_data  *slave_data;
+
+        u32     ale_reg_ofs;    /* address lookup engine reg offset */
+        u32     ale_entries;    /* ale table size */
+
+        u32     host_port_reg_ofs; /* cpsw cpdma host port registers */
+        u32     host_port_num; /* The port number for the host port */
+
+        u32     hw_stats_reg_ofs;  /* cpsw hardware statistics counters */
+
+        u32     bd_ram_ofs;   /* embedded buffer descriptor RAM offset*/
+        u32     bd_ram_size;  /*buffer descriptor ram size */
+        u32     hw_ram_addr; /*if the HW address for BD RAM is different */
+        bool    no_bd_ram; /* no embedded BD ram*/
+
+        u32     rx_descs;       /* Number of Rx Descriptios */
+
+        u32     mac_control;    /* Mac control register */
+};
+
+#endif /* __CPSW_H__ */