diff options
Diffstat (limited to 'drivers/net/ethernet/renesas/sh_eth.c')
| -rw-r--r-- | drivers/net/ethernet/renesas/sh_eth.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index 8615961c1287..d63e09b29a96 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -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 = { @@ -790,7 +804,7 @@ static int sh_eth_dev_init(struct net_device *ndev) /* all sh_eth int mask */ sh_eth_write(ndev, 0, EESIPR); -#if defined(__LITTLE_ENDIAN__) +#if defined(__LITTLE_ENDIAN) if (mdp->cd->hw_swap) sh_eth_write(ndev, EDMR_EL, EDMR); else |