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ramips: ethernet: ralink: add fe_reset_fe() to reset fe via reset controller

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The dts defines the reset fe for all architectures. However
the soc code used direct register access of the reset controller.
Replace the custom soc reset with a generic fe_reset_fe().

Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
This commit is contained in:
Alexander Couzens 2021-06-09 23:08:07 +02:00
parent d50e129399
commit 3fa01db479
5 changed files with 23 additions and 25 deletions
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24
target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_eth_soc.c
View File

@ -141,6 +141,17 @@ void fe_reset(u32 reset_bits)
usleep_range(10, 20);
}
void fe_reset_fe(struct fe_priv *priv)
{
if (!priv->rst_fe)
return;
reset_control_assert(priv->rst_fe);
usleep_range(60, 120);
reset_control_deassert(priv->rst_fe);
usleep_range(60, 120);
}
static inline void fe_int_disable(u32 mask)
{
fe_reg_w32(fe_reg_r32(FE_REG_FE_INT_ENABLE) & ~mask,
@ -1360,7 +1371,10 @@ static int __init fe_init(struct net_device *dev)
const char *mac_addr;
int err;
priv->soc->reset_fe(priv);
if (priv->soc->reset_fe)
priv->soc->reset_fe(priv);
else
fe_reset_fe(priv);
if (priv->soc->switch_init)
if (priv->soc->switch_init(priv)) {
@ -1579,6 +1593,12 @@ static int fe_probe(struct platform_device *pdev)
goto err_free_dev;
}
priv = netdev_priv(netdev);
spin_lock_init(&priv->page_lock);
priv->rst_fe = devm_reset_control_get(&pdev->dev, "fe");
if (IS_ERR(priv->rst_fe))
priv->rst_fe = NULL;
if (soc->init_data)
soc->init_data(soc, netdev);
netdev->vlan_features = netdev->hw_features &
@ -1593,8 +1613,6 @@ static int fe_probe(struct platform_device *pdev)
if (fe_reg_table[FE_REG_FE_DMA_VID_BASE])
netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
priv = netdev_priv(netdev);
spin_lock_init(&priv->page_lock);
if (fe_reg_table[FE_REG_FE_COUNTER_BASE]) {
priv->hw_stats = kzalloc(sizeof(*priv->hw_stats), GFP_KERNEL);
if (!priv->hw_stats) {

2
target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_eth_soc.h
View File

@ -498,6 +498,7 @@ struct fe_priv {
DECLARE_BITMAP(pending_flags, FE_FLAG_MAX);
struct reset_control *rst_ppe;
struct reset_control *rst_fe;
struct mtk_foe_entry *foe_table;
dma_addr_t foe_table_phys;
struct flow_offload __rcu **foe_flow_table;
@ -517,6 +518,7 @@ void fe_reg_w32(u32 val, enum fe_reg reg);
u32 fe_reg_r32(enum fe_reg reg);
void fe_reset(u32 reset_bits);
void fe_reset_fe(struct fe_priv *priv);
static inline void *priv_netdev(struct fe_priv *priv)
{

8
target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt2880.c
View File

@ -19,8 +19,6 @@
#include "mtk_eth_soc.h"
#include "mdio_rt2880.h"
#define RT2880_RESET_FE BIT(18)
static void rt2880_init_data(struct fe_soc_data *data,
struct net_device *netdev)
{
@ -33,11 +31,6 @@ static void rt2880_init_data(struct fe_soc_data *data,
/* netdev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM; */
}
void rt2880_fe_reset(struct fe_priv *priv)
{
fe_reset(RT2880_RESET_FE);
}
static int rt2880_fwd_config(struct fe_priv *priv)
{
int ret;
@ -55,7 +48,6 @@ static int rt2880_fwd_config(struct fe_priv *priv)
struct fe_soc_data rt2880_data = {
.init_data = rt2880_init_data,
.reset_fe = rt2880_fe_reset,
.fwd_config = rt2880_fwd_config,
.pdma_glo_cfg = FE_PDMA_SIZE_8DWORDS,
.checksum_bit = RX_DMA_L4VALID,

6
target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt3050.c
View File

@ -69,11 +69,6 @@ static int rt3050_fwd_config(struct fe_priv *priv)
return 0;
}
static void rt305x_fe_reset(struct fe_priv *priv)
{
fe_reset(RT305X_RESET_FE);
}
static void rt5350_init_data(struct fe_soc_data *data,
struct net_device *netdev)
{
@ -127,7 +122,6 @@ static void rt5350_fe_reset(struct fe_priv *priv)
static struct fe_soc_data rt3050_data = {
.init_data = rt305x_init_data,
.reset_fe = rt305x_fe_reset,
.fwd_config = rt3050_fwd_config,
.pdma_glo_cfg = FE_PDMA_SIZE_8DWORDS,
.checksum_bit = RX_DMA_L4VALID,

8
target/linux/ramips/files/drivers/net/ethernet/ralink/soc_rt3883.c
View File

@ -19,13 +19,6 @@
#include "mtk_eth_soc.h"
#include "mdio_rt2880.h"
#define RT3883_RSTCTRL_FE BIT(21)
static void rt3883_fe_reset(struct fe_priv *priv)
{
fe_reset(RT3883_RSTCTRL_FE);
}
static int rt3883_fwd_config(struct fe_priv *priv)
{
int ret;
@ -54,7 +47,6 @@ static void rt3883_init_data(struct fe_soc_data *data,
static struct fe_soc_data rt3883_data = {
.init_data = rt3883_init_data,
.reset_fe = rt3883_fe_reset,
.fwd_config = rt3883_fwd_config,
.pdma_glo_cfg = FE_PDMA_SIZE_8DWORDS,
.rx_int = FE_RX_DONE_INT,