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Diffstat (limited to 'drivers/net/ethernet/renesas/sh_eth.c')
-rw-r--r--drivers/net/ethernet/renesas/sh_eth.c96
1 files changed, 61 insertions, 35 deletions
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 5614fd231bbe..f27a0dc8c563 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/* SuperH Ethernet device driver
*
* Copyright (C) 2014 Renesas Electronics Corporation
@@ -5,18 +6,6 @@
* Copyright (C) 2008-2014 Renesas Solutions Corp.
* Copyright (C) 2013-2017 Cogent Embedded, Inc.
* Copyright (C) 2014 Codethink Limited
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * The full GNU General Public License is included in this distribution in
- * the file called "COPYING".
*/
#include <linux/module.h>
@@ -439,10 +428,15 @@ static void sh_eth_modify(struct net_device *ndev, int enum_index, u32 clear,
enum_index);
}
+static u16 sh_eth_tsu_get_offset(struct sh_eth_private *mdp, int enum_index)
+{
+ return mdp->reg_offset[enum_index];
+}
+
static void sh_eth_tsu_write(struct sh_eth_private *mdp, u32 data,
int enum_index)
{
- u16 offset = mdp->reg_offset[enum_index];
+ u16 offset = sh_eth_tsu_get_offset(mdp, enum_index);
if (WARN_ON(offset == SH_ETH_OFFSET_INVALID))
return;
@@ -452,7 +446,7 @@ static void sh_eth_tsu_write(struct sh_eth_private *mdp, u32 data,
static u32 sh_eth_tsu_read(struct sh_eth_private *mdp, int enum_index)
{
- u16 offset = mdp->reg_offset[enum_index];
+ u16 offset = sh_eth_tsu_get_offset(mdp, enum_index);
if (WARN_ON(offset == SH_ETH_OFFSET_INVALID))
return ~0U;
@@ -622,7 +616,6 @@ static struct sh_eth_cpu_data r7s72100_data = {
.tpauser = 1,
.hw_swap = 1,
.rpadir = 1,
- .rpadir_value = 2 << 16,
.no_trimd = 1,
.no_ade = 1,
.xdfar_rw = 1,
@@ -672,7 +665,6 @@ static struct sh_eth_cpu_data r8a7740_data = {
.bculr = 1,
.hw_swap = 1,
.rpadir = 1,
- .rpadir_value = 2 << 16,
.no_trimd = 1,
.no_ade = 1,
.xdfar_rw = 1,
@@ -798,7 +790,6 @@ static struct sh_eth_cpu_data r8a77980_data = {
.hw_swap = 1,
.nbst = 1,
.rpadir = 1,
- .rpadir_value = 2 << 16,
.no_trimd = 1,
.no_ade = 1,
.xdfar_rw = 1,
@@ -807,6 +798,41 @@ static struct sh_eth_cpu_data r8a77980_data = {
.magic = 1,
.cexcr = 1,
};
+
+/* R7S9210 */
+static struct sh_eth_cpu_data r7s9210_data = {
+ .soft_reset = sh_eth_soft_reset,
+
+ .set_duplex = sh_eth_set_duplex,
+ .set_rate = sh_eth_set_rate_rcar,
+
+ .register_type = SH_ETH_REG_FAST_SH4,
+
+ .edtrr_trns = EDTRR_TRNS_ETHER,
+ .ecsr_value = ECSR_ICD,
+ .ecsipr_value = ECSIPR_ICDIP,
+ .eesipr_value = EESIPR_TWBIP | EESIPR_TABTIP | EESIPR_RABTIP |
+ EESIPR_RFCOFIP | EESIPR_ECIIP | EESIPR_FTCIP |
+ EESIPR_TDEIP | EESIPR_TFUFIP | EESIPR_FRIP |
+ EESIPR_RDEIP | EESIPR_RFOFIP | EESIPR_CNDIP |
+ EESIPR_DLCIP | EESIPR_CDIP | EESIPR_TROIP |
+ EESIPR_RMAFIP | EESIPR_RRFIP | EESIPR_RTLFIP |
+ EESIPR_RTSFIP | EESIPR_PREIP | EESIPR_CERFIP,
+
+ .tx_check = EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | EESR_TRO,
+ .eesr_err_check = EESR_TWB | EESR_TABT | EESR_RABT | EESR_RFE |
+ EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE,
+
+ .fdr_value = 0x0000070f,
+
+ .apr = 1,
+ .mpr = 1,
+ .tpauser = 1,
+ .hw_swap = 1,
+ .rpadir = 1,
+ .no_ade = 1,
+ .xdfar_rw = 1,
+};
#endif /* CONFIG_OF */
static void sh_eth_set_rate_sh7724(struct net_device *ndev)
@@ -851,7 +877,6 @@ static struct sh_eth_cpu_data sh7724_data = {
.tpauser = 1,
.hw_swap = 1,
.rpadir = 1,
- .rpadir_value = 0x00020000, /* NET_IP_ALIGN assumed to be 2 */
};
static void sh_eth_set_rate_sh7757(struct net_device *ndev)
@@ -898,7 +923,6 @@ static struct sh_eth_cpu_data sh7757_data = {
.hw_swap = 1,
.no_ade = 1,
.rpadir = 1,
- .rpadir_value = 2 << 16,
.rtrate = 1,
.dual_port = 1,
};
@@ -978,7 +1002,6 @@ static struct sh_eth_cpu_data sh7757_data_giga = {
.bculr = 1,
.hw_swap = 1,
.rpadir = 1,
- .rpadir_value = 2 << 16,
.no_trimd = 1,
.no_ade = 1,
.xdfar_rw = 1,
@@ -1467,7 +1490,7 @@ static int sh_eth_dev_init(struct net_device *ndev)
/* Descriptor format */
sh_eth_ring_format(ndev);
if (mdp->cd->rpadir)
- sh_eth_write(ndev, mdp->cd->rpadir_value, RPADIR);
+ sh_eth_write(ndev, NET_IP_ALIGN << 16, RPADIR);
/* all sh_eth int mask */
sh_eth_write(ndev, 0, EESIPR);
@@ -1527,9 +1550,9 @@ static int sh_eth_dev_init(struct net_device *ndev)
/* mask reset */
if (mdp->cd->apr)
- sh_eth_write(ndev, APR_AP, APR);
+ sh_eth_write(ndev, 1, APR);
if (mdp->cd->mpr)
- sh_eth_write(ndev, MPR_MP, MPR);
+ sh_eth_write(ndev, 1, MPR);
if (mdp->cd->tpauser)
sh_eth_write(ndev, TPAUSER_UNLIMITED, TPAUSER);
@@ -2677,34 +2700,36 @@ static int sh_eth_tsu_busy(struct net_device *ndev)
return 0;
}
-static int sh_eth_tsu_write_entry(struct net_device *ndev, void *reg,
+static int sh_eth_tsu_write_entry(struct net_device *ndev, u16 offset,
const u8 *addr)
{
+ struct sh_eth_private *mdp = netdev_priv(ndev);
u32 val;
val = addr[0] << 24 | addr[1] << 16 | addr[2] << 8 | addr[3];
- iowrite32(val, reg);
+ iowrite32(val, mdp->tsu_addr + offset);
if (sh_eth_tsu_busy(ndev) < 0)
return -EBUSY;
val = addr[4] << 8 | addr[5];
- iowrite32(val, reg + 4);
+ iowrite32(val, mdp->tsu_addr + offset + 4);
if (sh_eth_tsu_busy(ndev) < 0)
return -EBUSY;
return 0;
}
-static void sh_eth_tsu_read_entry(void *reg, u8 *addr)
+static void sh_eth_tsu_read_entry(struct net_device *ndev, u16 offset, u8 *addr)
{
+ struct sh_eth_private *mdp = netdev_priv(ndev);
u32 val;
- val = ioread32(reg);
+ val = ioread32(mdp->tsu_addr + offset);
addr[0] = (val >> 24) & 0xff;
addr[1] = (val >> 16) & 0xff;
addr[2] = (val >> 8) & 0xff;
addr[3] = val & 0xff;
- val = ioread32(reg + 4);
+ val = ioread32(mdp->tsu_addr + offset + 4);
addr[4] = (val >> 8) & 0xff;
addr[5] = val & 0xff;
}
@@ -2713,12 +2738,12 @@ static void sh_eth_tsu_read_entry(void *reg, u8 *addr)
static int sh_eth_tsu_find_entry(struct net_device *ndev, const u8 *addr)
{
struct sh_eth_private *mdp = netdev_priv(ndev);
- void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0);
+ u16 reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0);
int i;
u8 c_addr[ETH_ALEN];
for (i = 0; i < SH_ETH_TSU_CAM_ENTRIES; i++, reg_offset += 8) {
- sh_eth_tsu_read_entry(reg_offset, c_addr);
+ sh_eth_tsu_read_entry(ndev, reg_offset, c_addr);
if (ether_addr_equal(addr, c_addr))
return i;
}
@@ -2740,7 +2765,7 @@ static int sh_eth_tsu_disable_cam_entry_table(struct net_device *ndev,
int entry)
{
struct sh_eth_private *mdp = netdev_priv(ndev);
- void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0);
+ u16 reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0);
int ret;
u8 blank[ETH_ALEN];
@@ -2757,7 +2782,7 @@ static int sh_eth_tsu_disable_cam_entry_table(struct net_device *ndev,
static int sh_eth_tsu_add_entry(struct net_device *ndev, const u8 *addr)
{
struct sh_eth_private *mdp = netdev_priv(ndev);
- void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0);
+ u16 reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0);
int i, ret;
if (!mdp->cd->tsu)
@@ -2831,15 +2856,15 @@ static int sh_eth_tsu_purge_all(struct net_device *ndev)
static void sh_eth_tsu_purge_mcast(struct net_device *ndev)
{
struct sh_eth_private *mdp = netdev_priv(ndev);
+ u16 reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0);
u8 addr[ETH_ALEN];
- void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0);
int i;
if (!mdp->cd->tsu)
return;
for (i = 0; i < SH_ETH_TSU_CAM_ENTRIES; i++, reg_offset += 8) {
- sh_eth_tsu_read_entry(reg_offset, addr);
+ sh_eth_tsu_read_entry(ndev, reg_offset, addr);
if (is_multicast_ether_addr(addr))
sh_eth_tsu_del_entry(ndev, addr);
}
@@ -3131,6 +3156,7 @@ static const struct of_device_id sh_eth_match_table[] = {
{ .compatible = "renesas,ether-r8a7794", .data = &rcar_gen2_data },
{ .compatible = "renesas,gether-r8a77980", .data = &r8a77980_data },
{ .compatible = "renesas,ether-r7s72100", .data = &r7s72100_data },
+ { .compatible = "renesas,ether-r7s9210", .data = &r7s9210_data },
{ .compatible = "renesas,rcar-gen1-ether", .data = &rcar_gen1_data },
{ .compatible = "renesas,rcar-gen2-ether", .data = &rcar_gen2_data },
{ }
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