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netdev: driver: ethernet: Add TI CPSW driver

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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>
This commit is contained in:
Mugunthan V N 2012-03-18 20:17:54 +00:00 committed by David S. Miller
parent db82173f23
commit df828598a7
4 changed files with 1086 additions and 0 deletions
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11
drivers/net/ethernet/ti/Kconfig
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@ -49,6 +49,17 @@ config TI_DAVINCI_CPDMA
To compile this driver as a module, choose M here: the module
will be called davinci_cpdma. This is recommended.
config TI_CPSW
tristate "TI CPSW Switch Support"
depends on ARM && (ARCH_DAVINCI || SOC_OMAPAM33XX)
select TI_DAVINCI_CPDMA
select TI_DAVINCI_MDIO
---help---
This driver supports TI's CPSW Ethernet Switch.
To compile this driver as a module, choose M here: the module
will be called cpsw.
config TLAN
tristate "TI ThunderLAN support"
depends on (PCI || EISA)

2
drivers/net/ethernet/ti/Makefile
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@ -7,3 +7,5 @@ obj-$(CONFIG_CPMAC) += cpmac.o
obj-$(CONFIG_TI_DAVINCI_EMAC) += davinci_emac.o
obj-$(CONFIG_TI_DAVINCI_MDIO) += davinci_mdio.o
obj-$(CONFIG_TI_DAVINCI_CPDMA) += davinci_cpdma.o
obj-$(CONFIG_TI_CPSW) += ti_cpsw.o
ti_cpsw-y := cpsw_ale.o cpsw.o

1018
drivers/net/ethernet/ti/cpsw.c Normal file
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File diff suppressed because it is too large Load Diff

55
include/linux/platform_data/cpsw.h Normal file
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@ -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__ */