diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/renesas/Kconfig | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/renesas/sh_eth.c | 20 | ||||
| -rw-r--r-- | drivers/net/ethernet/renesas/sh_eth.h | 11 |
3 files changed, 28 insertions, 8 deletions
diff --git a/drivers/net/ethernet/renesas/Kconfig b/drivers/net/ethernet/renesas/Kconfig index 9755b49bbefb..3fb2355af37e 100644 --- a/drivers/net/ethernet/renesas/Kconfig +++ b/drivers/net/ethernet/renesas/Kconfig @@ -7,7 +7,8 @@ config SH_ETH depends on SUPERH && \ (CPU_SUBTYPE_SH7710 || CPU_SUBTYPE_SH7712 || \ CPU_SUBTYPE_SH7763 || CPU_SUBTYPE_SH7619 || \ - CPU_SUBTYPE_SH7724 || CPU_SUBTYPE_SH7757) + CPU_SUBTYPE_SH7724 || CPU_SUBTYPE_SH7734 || \ + CPU_SUBTYPE_SH7757) select CRC32 select NET_CORE select MII @@ -16,4 +17,4 @@ config SH_ETH ---help--- Renesas SuperH Ethernet device driver. This driver supporting CPUs are: - - SH7710, SH7712, SH7763, SH7619, SH7724, and SH7757. + - SH7619, SH7710, SH7712, SH7724, SH7734, SH7763 and SH7757. diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index 8615961c1287..8bdf070ace90 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 = { diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h index 57dc26261116..e66de1823532 100644 --- a/drivers/net/ethernet/renesas/sh_eth.h +++ b/drivers/net/ethernet/renesas/sh_eth.h @@ -1,8 +1,8 @@ /* * SuperH Ethernet device driver * - * Copyright (C) 2006-2008 Nobuhiro Iwamatsu - * Copyright (C) 2008-2011 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, @@ -98,6 +98,8 @@ enum { CEECR, MAFCR, RTRATE, + CSMR, + RMII_MII, /* TSU Absolute address */ ARSTR, @@ -172,6 +174,7 @@ static const u16 sh_eth_offset_gigabit[SH_ETH_MAX_REGISTER_OFFSET] = { [RMCR] = 0x0458, [RPADIR] = 0x0460, [FCFTR] = 0x0468, + [CSMR] = 0x04E4, [ECMR] = 0x0500, [ECSR] = 0x0510, @@ -200,6 +203,7 @@ static const u16 sh_eth_offset_gigabit[SH_ETH_MAX_REGISTER_OFFSET] = { [CERCR] = 0x0768, [CEECR] = 0x0770, [MAFCR] = 0x0778, + [RMII_MII] = 0x0790, [ARSTR] = 0x0000, [TSU_CTRST] = 0x0004, @@ -377,7 +381,7 @@ static const u16 sh_eth_offset_fast_sh3_sh2[SH_ETH_MAX_REGISTER_OFFSET] = { /* * Register's bits */ -#ifdef CONFIG_CPU_SUBTYPE_SH7763 +#if defined(CONFIG_CPU_SUBTYPE_SH7734) || defined(CONFIG_CPU_SUBTYPE_SH7763) /* EDSR */ enum EDSR_BIT { EDSR_ENT = 0x01, EDSR_ENR = 0x02, @@ -751,6 +755,7 @@ struct sh_eth_cpu_data { unsigned rpadir:1; /* E-DMAC have RPADIR */ unsigned no_trimd:1; /* E-DMAC DO NOT have TRIMD */ unsigned no_ade:1; /* E-DMAC DO NOT have ADE bit in EESR */ + unsigned hw_crc:1; /* E-DMAC have CSMR */ }; struct sh_eth_private { |