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path: root/drivers/net/ethernet/renesas
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Diffstat (limited to 'drivers/net/ethernet/renesas')
-rw-r--r--drivers/net/ethernet/renesas/ravb.h1
-rw-r--r--drivers/net/ethernet/renesas/ravb_main.c62
-rw-r--r--drivers/net/ethernet/renesas/sh_eth.c15
-rw-r--r--drivers/net/ethernet/renesas/sh_eth.h114
4 files changed, 104 insertions, 88 deletions
diff --git a/drivers/net/ethernet/renesas/ravb.h b/drivers/net/ethernet/renesas/ravb.h
index cb47e68c1a3e..86a1eb0634e8 100644
--- a/drivers/net/ethernet/renesas/ravb.h
+++ b/drivers/net/ethernet/renesas/ravb.h
@@ -993,6 +993,7 @@ struct ravb_private {
struct platform_device *pdev;
void __iomem *addr;
struct clk *clk;
+ struct clk *refclk;
struct mdiobb_ctrl mdiobb;
u32 num_rx_ring[NUM_RX_QUEUE];
u32 num_tx_ring[NUM_TX_QUEUE];
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index eb0c03bdb12d..4afff320dfd0 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -109,11 +109,13 @@ static void ravb_set_buffer_align(struct sk_buff *skb)
* Ethernet AVB device doesn't have ROM for MAC address.
* This function gets the MAC address that was used by a bootloader.
*/
-static void ravb_read_mac_address(struct net_device *ndev, const u8 *mac)
+static void ravb_read_mac_address(struct device_node *np,
+ struct net_device *ndev)
{
- if (!IS_ERR(mac)) {
- ether_addr_copy(ndev->dev_addr, mac);
- } else {
+ int ret;
+
+ ret = of_get_mac_address(np, ndev->dev_addr);
+ if (ret) {
u32 mahr = ravb_read(ndev, MAHR);
u32 malr = ravb_read(ndev, MALR);
@@ -911,31 +913,20 @@ static int ravb_poll(struct napi_struct *napi, int budget)
int q = napi - priv->napi;
int mask = BIT(q);
int quota = budget;
- u32 ris0, tis;
- for (;;) {
- tis = ravb_read(ndev, TIS);
- ris0 = ravb_read(ndev, RIS0);
- if (!((ris0 & mask) || (tis & mask)))
- break;
+ /* Processing RX Descriptor Ring */
+ /* Clear RX interrupt */
+ ravb_write(ndev, ~(mask | RIS0_RESERVED), RIS0);
+ if (ravb_rx(ndev, &quota, q))
+ goto out;
- /* Processing RX Descriptor Ring */
- if (ris0 & mask) {
- /* Clear RX interrupt */
- ravb_write(ndev, ~(mask | RIS0_RESERVED), RIS0);
- if (ravb_rx(ndev, &quota, q))
- goto out;
- }
- /* Processing TX Descriptor Ring */
- if (tis & mask) {
- spin_lock_irqsave(&priv->lock, flags);
- /* Clear TX interrupt */
- ravb_write(ndev, ~(mask | TIS_RESERVED), TIS);
- ravb_tx_free(ndev, q, true);
- netif_wake_subqueue(ndev, q);
- spin_unlock_irqrestore(&priv->lock, flags);
- }
- }
+ /* Processing RX Descriptor Ring */
+ spin_lock_irqsave(&priv->lock, flags);
+ /* Clear TX interrupt */
+ ravb_write(ndev, ~(mask | TIS_RESERVED), TIS);
+ ravb_tx_free(ndev, q, true);
+ netif_wake_subqueue(ndev, q);
+ spin_unlock_irqrestore(&priv->lock, flags);
napi_complete(napi);
@@ -2148,6 +2139,13 @@ static int ravb_probe(struct platform_device *pdev)
goto out_release;
}
+ priv->refclk = devm_clk_get_optional(&pdev->dev, "refclk");
+ if (IS_ERR(priv->refclk)) {
+ error = PTR_ERR(priv->refclk);
+ goto out_release;
+ }
+ clk_prepare_enable(priv->refclk);
+
ndev->max_mtu = 2048 - (ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN);
ndev->min_mtu = ETH_MIN_MTU;
@@ -2164,7 +2162,7 @@ static int ravb_probe(struct platform_device *pdev)
/* Set GTI value */
error = ravb_set_gti(ndev);
if (error)
- goto out_release;
+ goto out_disable_refclk;
/* Request GTI loading */
ravb_modify(ndev, GCCR, GCCR_LTI, GCCR_LTI);
@@ -2183,7 +2181,7 @@ static int ravb_probe(struct platform_device *pdev)
"Cannot allocate desc base address table (size %d bytes)\n",
priv->desc_bat_size);
error = -ENOMEM;
- goto out_release;
+ goto out_disable_refclk;
}
for (q = RAVB_BE; q < DBAT_ENTRY_NUM; q++)
priv->desc_bat[q].die_dt = DT_EOS;
@@ -2200,7 +2198,7 @@ static int ravb_probe(struct platform_device *pdev)
priv->msg_enable = RAVB_DEF_MSG_ENABLE;
/* Read and set MAC address */
- ravb_read_mac_address(ndev, of_get_mac_address(np));
+ ravb_read_mac_address(np, ndev);
if (!is_valid_ether_addr(ndev->dev_addr)) {
dev_warn(&pdev->dev,
"no valid MAC address supplied, using a random one\n");
@@ -2243,6 +2241,8 @@ out_dma_free:
/* Stop PTP Clock driver */
if (chip_id != RCAR_GEN2)
ravb_ptp_stop(ndev);
+out_disable_refclk:
+ clk_disable_unprepare(priv->refclk);
out_release:
free_netdev(ndev);
@@ -2260,6 +2260,8 @@ static int ravb_remove(struct platform_device *pdev)
if (priv->chip_id != RCAR_GEN2)
ravb_ptp_stop(ndev);
+ clk_disable_unprepare(priv->refclk);
+
dma_free_coherent(ndev->dev.parent, priv->desc_bat_size, priv->desc_bat,
priv->desc_bat_dma);
/* Set reset mode */
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index f029c7c03804..c5b154868c1f 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -560,7 +560,7 @@ static struct sh_eth_cpu_data r7s72100_data = {
EESR_TDE,
.fdr_value = 0x0000070f,
- .trscer_err_mask = DESC_I_RINT8 | DESC_I_RINT5,
+ .trscer_err_mask = TRSCER_RMAFCE | TRSCER_RRFCE,
.no_psr = 1,
.apr = 1,
@@ -701,7 +701,7 @@ static struct sh_eth_cpu_data rcar_gen2_data = {
EESR_RDE | EESR_RFRMER | EESR_TFE | EESR_TDE,
.fdr_value = 0x00000f0f,
- .trscer_err_mask = DESC_I_RINT8,
+ .trscer_err_mask = TRSCER_RMAFCE,
.apr = 1,
.mpr = 1,
@@ -782,7 +782,7 @@ static struct sh_eth_cpu_data r7s9210_data = {
.fdr_value = 0x0000070f,
- .trscer_err_mask = DESC_I_RINT8 | DESC_I_RINT5,
+ .trscer_err_mask = TRSCER_RMAFCE | TRSCER_RRFCE,
.apr = 1,
.mpr = 1,
@@ -1094,7 +1094,7 @@ static struct sh_eth_cpu_data sh771x_data = {
EESIPR_RRFIP | EESIPR_RTLFIP | EESIPR_RTSFIP |
EESIPR_PREIP | EESIPR_CERFIP,
- .trscer_err_mask = DESC_I_RINT8,
+ .trscer_err_mask = TRSCER_RMAFCE,
.tsu = 1,
.dual_port = 1,
@@ -1749,7 +1749,7 @@ static void sh_eth_emac_interrupt(struct net_device *ndev)
link_stat = sh_eth_read(ndev, PSR);
if (mdp->ether_link_active_low)
link_stat = ~link_stat;
- if (!(link_stat & PHY_ST_LINK)) {
+ if (!(link_stat & PSR_LMON)) {
sh_eth_rcv_snd_disable(ndev);
} else {
/* Link Up */
@@ -3170,7 +3170,6 @@ static struct sh_eth_plat_data *sh_eth_parse_dt(struct device *dev)
struct device_node *np = dev->of_node;
struct sh_eth_plat_data *pdata;
phy_interface_t interface;
- const char *mac_addr;
int ret;
pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
@@ -3182,9 +3181,7 @@ static struct sh_eth_plat_data *sh_eth_parse_dt(struct device *dev)
return NULL;
pdata->phy_interface = interface;
- mac_addr = of_get_mac_address(np);
- if (!IS_ERR(mac_addr))
- ether_addr_copy(pdata->mac_addr, mac_addr);
+ of_get_mac_address(np, pdata->mac_addr);
pdata->no_ether_link =
of_property_read_bool(np, "renesas,no-ether-link");
diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h
index c1b3751b12c4..a5c07c6ff44a 100644
--- a/drivers/net/ethernet/renesas/sh_eth.h
+++ b/drivers/net/ethernet/renesas/sh_eth.h
@@ -171,7 +171,7 @@ enum GECMR_BIT {
};
/* EDMR */
-enum DMAC_M_BIT {
+enum EDMR_BIT {
EDMR_NBST = 0x80,
EDMR_EL = 0x40, /* Litte endian */
EDMR_DL1 = 0x20, EDMR_DL0 = 0x10,
@@ -180,13 +180,13 @@ enum DMAC_M_BIT {
};
/* EDTRR */
-enum DMAC_T_BIT {
+enum EDTRR_BIT {
EDTRR_TRNS_GETHER = 0x03,
EDTRR_TRNS_ETHER = 0x01,
};
/* EDRRR */
-enum EDRRR_R_BIT {
+enum EDRRR_BIT {
EDRRR_R = 0x01,
};
@@ -208,7 +208,7 @@ enum PIR_BIT {
};
/* PSR */
-enum PHY_STATUS_BIT { PHY_ST_LINK = 0x01, };
+enum PSR_BIT { PSR_LMON = 0x01, };
/* EESR */
enum EESR_BIT {
@@ -288,27 +288,6 @@ enum EESIPR_BIT {
EESIPR_CERFIP = 0x00000001,
};
-/* Receive descriptor 0 bits */
-enum RD_STS_BIT {
- RD_RACT = 0x80000000, RD_RDLE = 0x40000000,
- RD_RFP1 = 0x20000000, RD_RFP0 = 0x10000000,
- RD_RFE = 0x08000000, RD_RFS10 = 0x00000200,
- RD_RFS9 = 0x00000100, RD_RFS8 = 0x00000080,
- RD_RFS7 = 0x00000040, RD_RFS6 = 0x00000020,
- RD_RFS5 = 0x00000010, RD_RFS4 = 0x00000008,
- RD_RFS3 = 0x00000004, RD_RFS2 = 0x00000002,
- RD_RFS1 = 0x00000001,
-};
-#define RDF1ST RD_RFP1
-#define RDFEND RD_RFP0
-#define RD_RFP (RD_RFP1|RD_RFP0)
-
-/* Receive descriptor 1 bits */
-enum RD_LEN_BIT {
- RD_RFL = 0x0000ffff, /* receive frame length */
- RD_RBL = 0xffff0000, /* receive buffer length */
-};
-
/* FCFTR */
enum FCFTR_BIT {
FCFTR_RFF2 = 0x00040000, FCFTR_RFF1 = 0x00020000,
@@ -318,28 +297,13 @@ enum FCFTR_BIT {
#define DEFAULT_FIFO_F_D_RFF (FCFTR_RFF2 | FCFTR_RFF1 | FCFTR_RFF0)
#define DEFAULT_FIFO_F_D_RFD (FCFTR_RFD2 | FCFTR_RFD1 | FCFTR_RFD0)
-/* Transmit descriptor 0 bits */
-enum TD_STS_BIT {
- TD_TACT = 0x80000000, TD_TDLE = 0x40000000,
- TD_TFP1 = 0x20000000, TD_TFP0 = 0x10000000,
- TD_TFE = 0x08000000, TD_TWBI = 0x04000000,
-};
-#define TDF1ST TD_TFP1
-#define TDFEND TD_TFP0
-#define TD_TFP (TD_TFP1|TD_TFP0)
-
-/* Transmit descriptor 1 bits */
-enum TD_LEN_BIT {
- TD_TBL = 0xffff0000, /* transmit buffer length */
-};
-
/* RMCR */
enum RMCR_BIT {
RMCR_RNC = 0x00000001,
};
/* ECMR */
-enum FELIC_MODE_BIT {
+enum ECMR_BIT {
ECMR_TRCCM = 0x04000000, ECMR_RCSC = 0x00800000,
ECMR_DPAD = 0x00200000, ECMR_RZPF = 0x00100000,
ECMR_ZPF = 0x00080000, ECMR_PFR = 0x00040000, ECMR_RXF = 0x00020000,
@@ -350,7 +314,7 @@ enum FELIC_MODE_BIT {
};
/* ECSR */
-enum ECSR_STATUS_BIT {
+enum ECSR_BIT {
ECSR_BRCRX = 0x20, ECSR_PSRTO = 0x10,
ECSR_LCHNG = 0x04,
ECSR_MPD = 0x02, ECSR_ICD = 0x01,
@@ -360,7 +324,7 @@ enum ECSR_STATUS_BIT {
ECSR_ICD | ECSIPR_MPDIP)
/* ECSIPR */
-enum ECSIPR_STATUS_MASK_BIT {
+enum ECSIPR_BIT {
ECSIPR_BRCRXIP = 0x20, ECSIPR_PSRTOIP = 0x10,
ECSIPR_LCHNGIP = 0x04,
ECSIPR_MPDIP = 0x02, ECSIPR_ICDIP = 0x01,
@@ -380,14 +344,20 @@ enum MPR_BIT {
};
/* TRSCER */
-enum DESC_I_BIT {
- DESC_I_TINT4 = 0x0800, DESC_I_TINT3 = 0x0400, DESC_I_TINT2 = 0x0200,
- DESC_I_TINT1 = 0x0100, DESC_I_RINT8 = 0x0080, DESC_I_RINT5 = 0x0010,
- DESC_I_RINT4 = 0x0008, DESC_I_RINT3 = 0x0004, DESC_I_RINT2 = 0x0002,
- DESC_I_RINT1 = 0x0001,
+enum TRSCER_BIT {
+ TRSCER_CNDCE = 0x00000800,
+ TRSCER_DLCCE = 0x00000400,
+ TRSCER_CDCE = 0x00000200,
+ TRSCER_TROCE = 0x00000100,
+ TRSCER_RMAFCE = 0x00000080,
+ TRSCER_RRFCE = 0x00000010,
+ TRSCER_RTLFCE = 0x00000008,
+ TRSCER_RTSFCE = 0x00000004,
+ TRSCER_PRECE = 0x00000002,
+ TRSCER_CERFCE = 0x00000001,
};
-#define DEFAULT_TRSCER_ERR_MASK (DESC_I_RINT8 | DESC_I_RINT5 | DESC_I_TINT2)
+#define DEFAULT_TRSCER_ERR_MASK (TRSCER_RMAFCE | TRSCER_RRFCE | TRSCER_CDCE)
/* RPADIR */
enum RPADIR_BIT {
@@ -445,6 +415,24 @@ struct sh_eth_txdesc {
u32 pad0; /* padding data */
} __aligned(2) __packed;
+/* Transmit descriptor 0 bits */
+enum TD_STS_BIT {
+ TD_TACT = 0x80000000,
+ TD_TDLE = 0x40000000,
+ TD_TFP1 = 0x20000000,
+ TD_TFP0 = 0x10000000,
+ TD_TFE = 0x08000000,
+ TD_TWBI = 0x04000000,
+};
+#define TDF1ST TD_TFP1
+#define TDFEND TD_TFP0
+#define TD_TFP (TD_TFP1 | TD_TFP0)
+
+/* Transmit descriptor 1 bits */
+enum TD_LEN_BIT {
+ TD_TBL = 0xffff0000, /* transmit buffer length */
+};
+
/* The sh ether Rx buffer descriptors.
* This structure should be 20 bytes.
*/
@@ -455,6 +443,34 @@ struct sh_eth_rxdesc {
u32 pad0; /* padding data */
} __aligned(2) __packed;
+/* Receive descriptor 0 bits */
+enum RD_STS_BIT {
+ RD_RACT = 0x80000000,
+ RD_RDLE = 0x40000000,
+ RD_RFP1 = 0x20000000,
+ RD_RFP0 = 0x10000000,
+ RD_RFE = 0x08000000,
+ RD_RFS10 = 0x00000200,
+ RD_RFS9 = 0x00000100,
+ RD_RFS8 = 0x00000080,
+ RD_RFS7 = 0x00000040,
+ RD_RFS6 = 0x00000020,
+ RD_RFS5 = 0x00000010,
+ RD_RFS4 = 0x00000008,
+ RD_RFS3 = 0x00000004,
+ RD_RFS2 = 0x00000002,
+ RD_RFS1 = 0x00000001,
+};
+#define RDF1ST RD_RFP1
+#define RDFEND RD_RFP0
+#define RD_RFP (RD_RFP1 | RD_RFP0)
+
+/* Receive descriptor 1 bits */
+enum RD_LEN_BIT {
+ RD_RFL = 0x0000ffff, /* receive frame length */
+ RD_RBL = 0xffff0000, /* receive buffer length */
+};
+
/* This structure is used by each CPU dependency handling. */
struct sh_eth_cpu_data {
/* mandatory functions */
generated by cgit v1.2.3 (git 2.39.0) at 2024-10-01 10:29:52 +0300