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net: sh_eth: Add support SH7734 

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/net/ethernet/renesas/Kconfig
View File

@ -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.

20
drivers/net/ethernet/renesas/sh_eth.c
View File

@ -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 = {

11
drivers/net/ethernet/renesas/sh_eth.h
View File

@ -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 {