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net: sh_eth: Add support SH7734

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Add define of SH7734 register and sh_eth_reset_hw_crc function.

V3: Rebase net/HEAD.
V2: Do not split line of #if defined.

Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nobuhiro Iwamatsu
2012-03-25 18:59:51 +00:00
committed by David S. Miller
parent b744089280
commit f0e81fecd4
3 changed files with 28 additions and 8 deletions
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20
drivers/net/ethernet/renesas/sh_eth.c
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@@ -1,8 +1,8 @@
/*
* SuperH Ethernet device driver
*
* Copyright (C) 2006-2008 Nobuhiro Iwamatsu
* Copyright (C) 2008-2009 Renesas Solutions Corp.
* Copyright (C) 2006-2012 Nobuhiro Iwamatsu
* Copyright (C) 2008-2012 Renesas Solutions Corp.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -38,6 +38,7 @@
#include <linux/slab.h>
#include <linux/ethtool.h>
#include <linux/if_vlan.h>
#include <linux/clk.h>
#include <linux/sh_eth.h>
#include "sh_eth.h"
@@ -279,8 +280,9 @@ static struct sh_eth_cpu_data *sh_eth_get_cpu_data(struct sh_eth_private *mdp)
return &sh_eth_my_cpu_data;
}
#elif defined(CONFIG_CPU_SUBTYPE_SH7763)
#elif defined(CONFIG_CPU_SUBTYPE_SH7734) || defined(CONFIG_CPU_SUBTYPE_SH7763)
#define SH_ETH_HAS_TSU 1
static void sh_eth_reset_hw_crc(struct net_device *ndev);
static void sh_eth_chip_reset(struct net_device *ndev)
{
struct sh_eth_private *mdp = netdev_priv(ndev);
@@ -314,6 +316,9 @@ static void sh_eth_reset(struct net_device *ndev)
sh_eth_write(ndev, 0x0, RDFAR);
sh_eth_write(ndev, 0x0, RDFXR);
sh_eth_write(ndev, 0x0, RDFFR);
/* Reset HW CRC register */
sh_eth_reset_hw_crc(ndev);
}
static void sh_eth_set_duplex(struct net_device *ndev)
@@ -370,8 +375,17 @@ static struct sh_eth_cpu_data sh_eth_my_cpu_data = {
.no_trimd = 1,
.no_ade = 1,
.tsu = 1,
#if defined(CONFIG_CPU_SUBTYPE_SH7734)
.hw_crc = 1,
#endif
};
static void sh_eth_reset_hw_crc(struct net_device *ndev)
{
if (sh_eth_my_cpu_data.hw_crc)
sh_eth_write(ndev, 0x0, CSMR);
}
#elif defined(CONFIG_CPU_SUBTYPE_SH7619)
#define SH_ETH_RESET_DEFAULT 1
static struct sh_eth_cpu_data sh_eth_my_cpu_data = {