summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/renesas
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/renesas')
-rw-r--r--drivers/net/ethernet/renesas/ravb.h206
-rw-r--r--drivers/net/ethernet/renesas/ravb_main.c289
-rw-r--r--drivers/net/ethernet/renesas/ravb_ptp.c26
-rw-r--r--drivers/net/ethernet/renesas/sh_eth.c39
-rw-r--r--drivers/net/ethernet/renesas/sh_eth.h2
5 files changed, 472 insertions, 90 deletions
diff --git a/drivers/net/ethernet/renesas/ravb.h b/drivers/net/ethernet/renesas/ravb.h
index b2160d1b9..4e5d5e953 100644
--- a/drivers/net/ethernet/renesas/ravb.h
+++ b/drivers/net/ethernet/renesas/ravb.h
@@ -157,6 +157,7 @@ enum ravb_reg {
TIC = 0x0378,
TIS = 0x037C,
ISS = 0x0380,
+ CIE = 0x0384, /* R-Car Gen3 only */
GCCR = 0x0390,
GMTT = 0x0394,
GPTC = 0x0398,
@@ -170,6 +171,15 @@ enum ravb_reg {
GCT0 = 0x03B8,
GCT1 = 0x03BC,
GCT2 = 0x03C0,
+ GIE = 0x03CC, /* R-Car Gen3 only */
+ GID = 0x03D0, /* R-Car Gen3 only */
+ DIL = 0x0440, /* R-Car Gen3 only */
+ RIE0 = 0x0460, /* R-Car Gen3 only */
+ RID0 = 0x0464, /* R-Car Gen3 only */
+ RIE2 = 0x0470, /* R-Car Gen3 only */
+ RID2 = 0x0474, /* R-Car Gen3 only */
+ TIE = 0x0478, /* R-Car Gen3 only */
+ TID = 0x047c, /* R-Car Gen3 only */
/* E-MAC registers */
ECMR = 0x0500,
@@ -556,6 +566,16 @@ enum ISS_BIT {
ISS_DPS15 = 0x80000000,
};
+/* CIE (R-Car Gen3 only) */
+enum CIE_BIT {
+ CIE_CRIE = 0x00000001,
+ CIE_CTIE = 0x00000100,
+ CIE_RQFM = 0x00010000,
+ CIE_CL0M = 0x00020000,
+ CIE_RFWL = 0x00040000,
+ CIE_RFFL = 0x00080000,
+};
+
/* GCCR */
enum GCCR_BIT {
GCCR_TCR = 0x00000003,
@@ -592,6 +612,188 @@ enum GIS_BIT {
GIS_PTMF = 0x00000004,
};
+/* GIE (R-Car Gen3 only) */
+enum GIE_BIT {
+ GIE_PTCS = 0x00000001,
+ GIE_PTOS = 0x00000002,
+ GIE_PTMS0 = 0x00000004,
+ GIE_PTMS1 = 0x00000008,
+ GIE_PTMS2 = 0x00000010,
+ GIE_PTMS3 = 0x00000020,
+ GIE_PTMS4 = 0x00000040,
+ GIE_PTMS5 = 0x00000080,
+ GIE_PTMS6 = 0x00000100,
+ GIE_PTMS7 = 0x00000200,
+ GIE_ATCS0 = 0x00010000,
+ GIE_ATCS1 = 0x00020000,
+ GIE_ATCS2 = 0x00040000,
+ GIE_ATCS3 = 0x00080000,
+ GIE_ATCS4 = 0x00100000,
+ GIE_ATCS5 = 0x00200000,
+ GIE_ATCS6 = 0x00400000,
+ GIE_ATCS7 = 0x00800000,
+ GIE_ATCS8 = 0x01000000,
+ GIE_ATCS9 = 0x02000000,
+ GIE_ATCS10 = 0x04000000,
+ GIE_ATCS11 = 0x08000000,
+ GIE_ATCS12 = 0x10000000,
+ GIE_ATCS13 = 0x20000000,
+ GIE_ATCS14 = 0x40000000,
+ GIE_ATCS15 = 0x80000000,
+};
+
+/* GID (R-Car Gen3 only) */
+enum GID_BIT {
+ GID_PTCD = 0x00000001,
+ GID_PTOD = 0x00000002,
+ GID_PTMD0 = 0x00000004,
+ GID_PTMD1 = 0x00000008,
+ GID_PTMD2 = 0x00000010,
+ GID_PTMD3 = 0x00000020,
+ GID_PTMD4 = 0x00000040,
+ GID_PTMD5 = 0x00000080,
+ GID_PTMD6 = 0x00000100,
+ GID_PTMD7 = 0x00000200,
+ GID_ATCD0 = 0x00010000,
+ GID_ATCD1 = 0x00020000,
+ GID_ATCD2 = 0x00040000,
+ GID_ATCD3 = 0x00080000,
+ GID_ATCD4 = 0x00100000,
+ GID_ATCD5 = 0x00200000,
+ GID_ATCD6 = 0x00400000,
+ GID_ATCD7 = 0x00800000,
+ GID_ATCD8 = 0x01000000,
+ GID_ATCD9 = 0x02000000,
+ GID_ATCD10 = 0x04000000,
+ GID_ATCD11 = 0x08000000,
+ GID_ATCD12 = 0x10000000,
+ GID_ATCD13 = 0x20000000,
+ GID_ATCD14 = 0x40000000,
+ GID_ATCD15 = 0x80000000,
+};
+
+/* RIE0 (R-Car Gen3 only) */
+enum RIE0_BIT {
+ RIE0_FRS0 = 0x00000001,
+ RIE0_FRS1 = 0x00000002,
+ RIE0_FRS2 = 0x00000004,
+ RIE0_FRS3 = 0x00000008,
+ RIE0_FRS4 = 0x00000010,
+ RIE0_FRS5 = 0x00000020,
+ RIE0_FRS6 = 0x00000040,
+ RIE0_FRS7 = 0x00000080,
+ RIE0_FRS8 = 0x00000100,
+ RIE0_FRS9 = 0x00000200,
+ RIE0_FRS10 = 0x00000400,
+ RIE0_FRS11 = 0x00000800,
+ RIE0_FRS12 = 0x00001000,
+ RIE0_FRS13 = 0x00002000,
+ RIE0_FRS14 = 0x00004000,
+ RIE0_FRS15 = 0x00008000,
+ RIE0_FRS16 = 0x00010000,
+ RIE0_FRS17 = 0x00020000,
+};
+
+/* RID0 (R-Car Gen3 only) */
+enum RID0_BIT {
+ RID0_FRD0 = 0x00000001,
+ RID0_FRD1 = 0x00000002,
+ RID0_FRD2 = 0x00000004,
+ RID0_FRD3 = 0x00000008,
+ RID0_FRD4 = 0x00000010,
+ RID0_FRD5 = 0x00000020,
+ RID0_FRD6 = 0x00000040,
+ RID0_FRD7 = 0x00000080,
+ RID0_FRD8 = 0x00000100,
+ RID0_FRD9 = 0x00000200,
+ RID0_FRD10 = 0x00000400,
+ RID0_FRD11 = 0x00000800,
+ RID0_FRD12 = 0x00001000,
+ RID0_FRD13 = 0x00002000,
+ RID0_FRD14 = 0x00004000,
+ RID0_FRD15 = 0x00008000,
+ RID0_FRD16 = 0x00010000,
+ RID0_FRD17 = 0x00020000,
+};
+
+/* RIE2 (R-Car Gen3 only) */
+enum RIE2_BIT {
+ RIE2_QFS0 = 0x00000001,
+ RIE2_QFS1 = 0x00000002,
+ RIE2_QFS2 = 0x00000004,
+ RIE2_QFS3 = 0x00000008,
+ RIE2_QFS4 = 0x00000010,
+ RIE2_QFS5 = 0x00000020,
+ RIE2_QFS6 = 0x00000040,
+ RIE2_QFS7 = 0x00000080,
+ RIE2_QFS8 = 0x00000100,
+ RIE2_QFS9 = 0x00000200,
+ RIE2_QFS10 = 0x00000400,
+ RIE2_QFS11 = 0x00000800,
+ RIE2_QFS12 = 0x00001000,
+ RIE2_QFS13 = 0x00002000,
+ RIE2_QFS14 = 0x00004000,
+ RIE2_QFS15 = 0x00008000,
+ RIE2_QFS16 = 0x00010000,
+ RIE2_QFS17 = 0x00020000,
+ RIE2_RFFS = 0x80000000,
+};
+
+/* RID2 (R-Car Gen3 only) */
+enum RID2_BIT {
+ RID2_QFD0 = 0x00000001,
+ RID2_QFD1 = 0x00000002,
+ RID2_QFD2 = 0x00000004,
+ RID2_QFD3 = 0x00000008,
+ RID2_QFD4 = 0x00000010,
+ RID2_QFD5 = 0x00000020,
+ RID2_QFD6 = 0x00000040,
+ RID2_QFD7 = 0x00000080,
+ RID2_QFD8 = 0x00000100,
+ RID2_QFD9 = 0x00000200,
+ RID2_QFD10 = 0x00000400,
+ RID2_QFD11 = 0x00000800,
+ RID2_QFD12 = 0x00001000,
+ RID2_QFD13 = 0x00002000,
+ RID2_QFD14 = 0x00004000,
+ RID2_QFD15 = 0x00008000,
+ RID2_QFD16 = 0x00010000,
+ RID2_QFD17 = 0x00020000,
+ RID2_RFFD = 0x80000000,
+};
+
+/* TIE (R-Car Gen3 only) */
+enum TIE_BIT {
+ TIE_FTS0 = 0x00000001,
+ TIE_FTS1 = 0x00000002,
+ TIE_FTS2 = 0x00000004,
+ TIE_FTS3 = 0x00000008,
+ TIE_TFUS = 0x00000100,
+ TIE_TFWS = 0x00000200,
+ TIE_MFUS = 0x00000400,
+ TIE_MFWS = 0x00000800,
+ TIE_TDPS0 = 0x00010000,
+ TIE_TDPS1 = 0x00020000,
+ TIE_TDPS2 = 0x00040000,
+ TIE_TDPS3 = 0x00080000,
+};
+
+/* TID (R-Car Gen3 only) */
+enum TID_BIT {
+ TID_FTD0 = 0x00000001,
+ TID_FTD1 = 0x00000002,
+ TID_FTD2 = 0x00000004,
+ TID_FTD3 = 0x00000008,
+ TID_TFUD = 0x00000100,
+ TID_TFWD = 0x00000200,
+ TID_MFUD = 0x00000400,
+ TID_MFWD = 0x00000800,
+ TID_TDPD0 = 0x00010000,
+ TID_TDPD1 = 0x00020000,
+ TID_TDPD2 = 0x00040000,
+ TID_TDPD3 = 0x00080000,
+};
+
/* ECMR */
enum ECMR_BIT {
ECMR_PRM = 0x00000001,
@@ -817,6 +1019,8 @@ struct ravb_private {
int duplex;
int emac_irq;
enum ravb_chip_id chip_id;
+ int rx_irqs[NUM_RX_QUEUE];
+ int tx_irqs[NUM_TX_QUEUE];
unsigned no_avb_link:1;
unsigned avb_link_active_low:1;
@@ -841,7 +1045,7 @@ void ravb_modify(struct net_device *ndev, enum ravb_reg reg, u32 clear,
u32 set);
int ravb_wait(struct net_device *ndev, enum ravb_reg reg, u32 mask, u32 value);
-irqreturn_t ravb_ptp_interrupt(struct net_device *ndev);
+void ravb_ptp_interrupt(struct net_device *ndev);
void ravb_ptp_init(struct net_device *ndev, struct platform_device *pdev);
void ravb_ptp_stop(struct net_device *ndev);
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index 4277d0c12..867caf6e7 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -42,6 +42,16 @@
NETIF_MSG_RX_ERR | \
NETIF_MSG_TX_ERR)
+static const char *ravb_rx_irqs[NUM_RX_QUEUE] = {
+ "ch0", /* RAVB_BE */
+ "ch1", /* RAVB_NC */
+};
+
+static const char *ravb_tx_irqs[NUM_TX_QUEUE] = {
+ "ch18", /* RAVB_BE */
+ "ch19", /* RAVB_NC */
+};
+
void ravb_modify(struct net_device *ndev, enum ravb_reg reg, u32 clear,
u32 set)
{
@@ -236,10 +246,9 @@ static void ravb_ring_format(struct net_device *ndev, int q)
for (i = 0; i < priv->num_rx_ring[q]; i++) {
/* RX descriptor */
rx_desc = &priv->rx_ring[q][i];
- /* The size of the buffer should be on 16-byte boundary. */
- rx_desc->ds_cc = cpu_to_le16(ALIGN(PKT_BUF_SZ, 16));
+ rx_desc->ds_cc = cpu_to_le16(PKT_BUF_SZ);
dma_addr = dma_map_single(ndev->dev.parent, priv->rx_skb[q][i]->data,
- ALIGN(PKT_BUF_SZ, 16),
+ PKT_BUF_SZ,
DMA_FROM_DEVICE);
/* We just set the data size to 0 for a failed mapping which
* should prevent DMA from happening...
@@ -365,6 +374,7 @@ static void ravb_emac_init(struct net_device *ndev)
/* Device init function for Ethernet AVB */
static int ravb_dmac_init(struct net_device *ndev)
{
+ struct ravb_private *priv = netdev_priv(ndev);
int error;
/* Set CONFIG mode */
@@ -401,6 +411,12 @@ static int ravb_dmac_init(struct net_device *ndev)
ravb_write(ndev, TCCR_TFEN, TCCR);
/* Interrupt init: */
+ if (priv->chip_id == RCAR_GEN3) {
+ /* Clear DIL.DPLx */
+ ravb_write(ndev, 0, DIL);
+ /* Set queue specific interrupt */
+ ravb_write(ndev, CIE_CRIE | CIE_CTIE | CIE_CL0M, CIE);
+ }
/* Frame receive */
ravb_write(ndev, RIC0_FRE0 | RIC0_FRE1, RIC0);
/* Disable FIFO full warning */
@@ -541,7 +557,7 @@ static bool ravb_rx(struct net_device *ndev, int *quota, int q)
skb = priv->rx_skb[q][entry];
priv->rx_skb[q][entry] = NULL;
dma_unmap_single(ndev->dev.parent, le32_to_cpu(desc->dptr),
- ALIGN(PKT_BUF_SZ, 16),
+ PKT_BUF_SZ,
DMA_FROM_DEVICE);
get_ts &= (q == RAVB_NC) ?
RAVB_RXTSTAMP_TYPE_V2_L2_EVENT :
@@ -571,8 +587,7 @@ static bool ravb_rx(struct net_device *ndev, int *quota, int q)
for (; priv->cur_rx[q] - priv->dirty_rx[q] > 0; priv->dirty_rx[q]++) {
entry = priv->dirty_rx[q] % priv->num_rx_ring[q];
desc = &priv->rx_ring[q][entry];
- /* The size of the buffer should be on 16-byte boundary. */
- desc->ds_cc = cpu_to_le16(ALIGN(PKT_BUF_SZ, 16));
+ desc->ds_cc = cpu_to_le16(PKT_BUF_SZ);
if (!priv->rx_skb[q][entry]) {
skb = netdev_alloc_skb(ndev,
@@ -643,7 +658,7 @@ static int ravb_stop_dma(struct net_device *ndev)
}
/* E-MAC interrupt handler */
-static void ravb_emac_interrupt(struct net_device *ndev)
+static void ravb_emac_interrupt_unlocked(struct net_device *ndev)
{
struct ravb_private *priv = netdev_priv(ndev);
u32 ecsr, psr;
@@ -669,6 +684,18 @@ static void ravb_emac_interrupt(struct net_device *ndev)
}
}
+static irqreturn_t ravb_emac_interrupt(int irq, void *dev_id)
+{
+ struct net_device *ndev = dev_id;
+ struct ravb_private *priv = netdev_priv(ndev);
+
+ spin_lock(&priv->lock);
+ ravb_emac_interrupt_unlocked(ndev);
+ mmiowb();
+ spin_unlock(&priv->lock);
+ return IRQ_HANDLED;
+}
+
/* Error interrupt handler */
static void ravb_error_interrupt(struct net_device *ndev)
{
@@ -695,6 +722,50 @@ static void ravb_error_interrupt(struct net_device *ndev)
}
}
+static bool ravb_queue_interrupt(struct net_device *ndev, int q)
+{
+ struct ravb_private *priv = netdev_priv(ndev);
+ u32 ris0 = ravb_read(ndev, RIS0);
+ u32 ric0 = ravb_read(ndev, RIC0);
+ u32 tis = ravb_read(ndev, TIS);
+ u32 tic = ravb_read(ndev, TIC);
+
+ if (((ris0 & ric0) & BIT(q)) || ((tis & tic) & BIT(q))) {
+ if (napi_schedule_prep(&priv->napi[q])) {
+ /* Mask RX and TX interrupts */
+ if (priv->chip_id == RCAR_GEN2) {
+ ravb_write(ndev, ric0 & ~BIT(q), RIC0);
+ ravb_write(ndev, tic & ~BIT(q), TIC);
+ } else {
+ ravb_write(ndev, BIT(q), RID0);
+ ravb_write(ndev, BIT(q), TID);
+ }
+ __napi_schedule(&priv->napi[q]);
+ } else {
+ netdev_warn(ndev,
+ "ignoring interrupt, rx status 0x%08x, rx mask 0x%08x,\n",
+ ris0, ric0);
+ netdev_warn(ndev,
+ " tx status 0x%08x, tx mask 0x%08x.\n",
+ tis, tic);
+ }
+ return true;
+ }
+ return false;
+}
+
+static bool ravb_timestamp_interrupt(struct net_device *ndev)
+{
+ u32 tis = ravb_read(ndev, TIS);
+
+ if (tis & TIS_TFUF) {
+ ravb_write(ndev, ~TIS_TFUF, TIS);
+ ravb_get_tx_tstamp(ndev);
+ return true;
+ }
+ return false;
+}
+
static irqreturn_t ravb_interrupt(int irq, void *dev_id)
{
struct net_device *ndev = dev_id;
@@ -708,63 +779,102 @@ static irqreturn_t ravb_interrupt(int irq, void *dev_id)
/* Received and transmitted interrupts */
if (iss & (ISS_FRS | ISS_FTS | ISS_TFUS)) {
- u32 ris0 = ravb_read(ndev, RIS0);
- u32 ric0 = ravb_read(ndev, RIC0);
- u32 tis = ravb_read(ndev, TIS);
- u32 tic = ravb_read(ndev, TIC);
int q;
/* Timestamp updated */
- if (tis & TIS_TFUF) {
- ravb_write(ndev, ~TIS_TFUF, TIS);
- ravb_get_tx_tstamp(ndev);
+ if (ravb_timestamp_interrupt(ndev))
result = IRQ_HANDLED;
- }
/* Network control and best effort queue RX/TX */
for (q = RAVB_NC; q >= RAVB_BE; q--) {
- if (((ris0 & ric0) & BIT(q)) ||
- ((tis & tic) & BIT(q))) {
- if (napi_schedule_prep(&priv->napi[q])) {
- /* Mask RX and TX interrupts */
- ric0 &= ~BIT(q);
- tic &= ~BIT(q);
- ravb_write(ndev, ric0, RIC0);
- ravb_write(ndev, tic, TIC);
- __napi_schedule(&priv->napi[q]);
- } else {
- netdev_warn(ndev,
- "ignoring interrupt, rx status 0x%08x, rx mask 0x%08x,\n",
- ris0, ric0);
- netdev_warn(ndev,
- " tx status 0x%08x, tx mask 0x%08x.\n",
- tis, tic);
- }
+ if (ravb_queue_interrupt(ndev, q))
result = IRQ_HANDLED;
- }
}
}
/* E-MAC status summary */
if (iss & ISS_MS) {
- ravb_emac_interrupt(ndev);
+ ravb_emac_interrupt_unlocked(ndev);
+ result = IRQ_HANDLED;
+ }
+
+ /* Error status summary */
+ if (iss & ISS_ES) {
+ ravb_error_interrupt(ndev);
+ result = IRQ_HANDLED;
+ }
+
+ /* gPTP interrupt status summary */
+ if (iss & ISS_CGIS) {
+ ravb_ptp_interrupt(ndev);
result = IRQ_HANDLED;
}
+ mmiowb();
+ spin_unlock(&priv->lock);
+ return result;
+}
+
+/* Timestamp/Error/gPTP interrupt handler */
+static irqreturn_t ravb_multi_interrupt(int irq, void *dev_id)
+{
+ struct net_device *ndev = dev_id;
+ struct ravb_private *priv = netdev_priv(ndev);
+ irqreturn_t result = IRQ_NONE;
+ u32 iss;
+
+ spin_lock(&priv->lock);
+ /* Get interrupt status */
+ iss = ravb_read(ndev, ISS);
+
+ /* Timestamp updated */
+ if ((iss & ISS_TFUS) && ravb_timestamp_interrupt(ndev))
+ result = IRQ_HANDLED;
+
/* Error status summary */
if (iss & ISS_ES) {
ravb_error_interrupt(ndev);
result = IRQ_HANDLED;
}
- if ((iss & ISS_CGIS) && ravb_ptp_interrupt(ndev) == IRQ_HANDLED)
+ /* gPTP interrupt status summary */
+ if (iss & ISS_CGIS) {
+ ravb_ptp_interrupt(ndev);
result = IRQ_HANDLED;
+ }
mmiowb();
spin_unlock(&priv->lock);
return result;
}
+static irqreturn_t ravb_dma_interrupt(int irq, void *dev_id, int q)
+{
+ struct net_device *ndev = dev_id;
+ struct ravb_private *priv = netdev_priv(ndev);
+ irqreturn_t result = IRQ_NONE;
+
+ spin_lock(&priv->lock);
+
+ /* Network control/Best effort queue RX/TX */
+ if (ravb_queue_interrupt(ndev, q))
+ result = IRQ_HANDLED;
+
+ mmiowb();
+ spin_unlock(&priv->lock);
+ return result;
+}
+
+static irqreturn_t ravb_be_interrupt(int irq, void *dev_id)
+{
+ return ravb_dma_interrupt(irq, dev_id, RAVB_BE);
+}
+
+static irqreturn_t ravb_nc_interrupt(int irq, void *dev_id)
+{
+ return ravb_dma_interrupt(irq, dev_id, RAVB_NC);
+}
+
static int ravb_poll(struct napi_struct *napi, int budget)
{
struct net_device *ndev = napi->dev;
@@ -804,8 +914,13 @@ static int ravb_poll(struct napi_struct *napi, int budget)
/* Re-enable RX/TX interrupts */
spin_lock_irqsave(&priv->lock, flags);
- ravb_modify(ndev, RIC0, mask, mask);
- ravb_modify(ndev, TIC, mask, mask);
+ if (priv->chip_id == RCAR_GEN2) {
+ ravb_modify(ndev, RIC0, mask, mask);
+ ravb_modify(ndev, TIC, mask, mask);
+ } else {
+ ravb_write(ndev, mask, RIE0);
+ ravb_write(ndev, mask, TIE);
+ }
mmiowb();
spin_unlock_irqrestore(&priv->lock, flags);
@@ -1208,35 +1323,72 @@ static const struct ethtool_ops ravb_ethtool_ops = {
.get_ts_info = ravb_get_ts_info,
};
+static inline int ravb_hook_irq(unsigned int irq, irq_handler_t handler,
+ struct net_device *ndev, struct device *dev,
+ const char *ch)
+{
+ char *name;
+ int error;
+
+ name = devm_kasprintf(dev, GFP_KERNEL, "%s:%s", ndev->name, ch);
+ if (!name)
+ return -ENOMEM;
+ error = request_irq(irq, handler, 0, name, ndev);
+ if (error)
+ netdev_err(ndev, "cannot request IRQ %s\n", name);
+
+ return error;
+}
+
/* Network device open function for Ethernet AVB */
static int ravb_open(struct net_device *ndev)
{
struct ravb_private *priv = netdev_priv(ndev);
+ struct platform_device *pdev = priv->pdev;
+ struct device *dev = &pdev->dev;
int error;
napi_enable(&priv->napi[RAVB_BE]);
napi_enable(&priv->napi[RAVB_NC]);
- error = request_irq(ndev->irq, ravb_interrupt, IRQF_SHARED, ndev->name,
- ndev);
- if (error) {
- netdev_err(ndev, "cannot request IRQ\n");
- goto out_napi_off;
- }
-
- if (priv->chip_id == RCAR_GEN3) {
- error = request_irq(priv->emac_irq, ravb_interrupt,
- IRQF_SHARED, ndev->name, ndev);
+ if (priv->chip_id == RCAR_GEN2) {
+ error = request_irq(ndev->irq, ravb_interrupt, IRQF_SHARED,
+ ndev->name, ndev);
if (error) {
netdev_err(ndev, "cannot request IRQ\n");
- goto out_free_irq;
+ goto out_napi_off;
}
+ } else {
+ error = ravb_hook_irq(ndev->irq, ravb_multi_interrupt, ndev,
+ dev, "ch22:multi");
+ if (error)
+ goto out_napi_off;
+ error = ravb_hook_irq(priv->emac_irq, ravb_emac_interrupt, ndev,
+ dev, "ch24:emac");
+ if (error)
+ goto out_free_irq;
+ error = ravb_hook_irq(priv->rx_irqs[RAVB_BE], ravb_be_interrupt,
+ ndev, dev, "ch0:rx_be");
+ if (error)
+ goto out_free_irq_emac;
+ error = ravb_hook_irq(priv->tx_irqs[RAVB_BE], ravb_be_interrupt,
+ ndev, dev, "ch18:tx_be");
+ if (error)
+ goto out_free_irq_be_rx;
+ error = ravb_hook_irq(priv->rx_irqs[RAVB_NC], ravb_nc_interrupt,
+ ndev, dev, "ch1:rx_nc");
+ if (error)
+ goto out_free_irq_be_tx;
+ error = ravb_hook_irq(priv->tx_irqs[RAVB_NC], ravb_nc_interrupt,
+ ndev, dev, "ch19:tx_nc");
+ if (error)
+ goto out_free_irq_nc_rx;
}
/* Device init */
error = ravb_dmac_init(ndev);
if (error)
- goto out_free_irq2;
+ goto out_free_irq_nc_tx;
ravb_emac_init(ndev);
/* Initialise PTP Clock driver */
@@ -1256,9 +1408,18 @@ out_ptp_stop:
/* Stop PTP Clock driver */
if (priv->chip_id == RCAR_GEN2)
ravb_ptp_stop(ndev);
-out_free_irq2:
- if (priv->chip_id == RCAR_GEN3)
- free_irq(priv->emac_irq, ndev);
+out_free_irq_nc_tx:
+ if (priv->chip_id == RCAR_GEN2)
+ goto out_free_irq;
+ free_irq(priv->tx_irqs[RAVB_NC], ndev);
+out_free_irq_nc_rx:
+ free_irq(priv->rx_irqs[RAVB_NC], ndev);
+out_free_irq_be_tx:
+ free_irq(priv->tx_irqs[RAVB_BE], ndev);
+out_free_irq_be_rx:
+ free_irq(priv->rx_irqs[RAVB_BE], ndev);
+out_free_irq_emac:
+ free_irq(priv->emac_irq, ndev);
out_free_irq:
free_irq(ndev->irq, ndev);
out_napi_off:
@@ -1506,8 +1667,13 @@ static int ravb_close(struct net_device *ndev)
priv->phydev = NULL;
}
- if (priv->chip_id == RCAR_GEN3)
+ if (priv->chip_id != RCAR_GEN2) {
+ free_irq(priv->tx_irqs[RAVB_NC], ndev);
+ free_irq(priv->rx_irqs[RAVB_NC], ndev);
+ free_irq(priv->tx_irqs[RAVB_BE], ndev);
+ free_irq(priv->rx_irqs[RAVB_BE], ndev);
free_irq(priv->emac_irq, ndev);
+ }
free_irq(ndev->irq, ndev);
napi_disable(&priv->napi[RAVB_NC]);
@@ -1718,6 +1884,7 @@ static int ravb_probe(struct platform_device *pdev)
struct net_device *ndev;
int error, irq, q;
struct resource *res;
+ int i;
if (!np) {
dev_err(&pdev->dev,
@@ -1787,6 +1954,22 @@ static int ravb_probe(struct platform_device *pdev)
goto out_release;
}
priv->emac_irq = irq;
+ for (i = 0; i < NUM_RX_QUEUE; i++) {
+ irq = platform_get_irq_byname(pdev, ravb_rx_irqs[i]);
+ if (irq < 0) {
+ error = irq;
+ goto out_release;
+ }
+ priv->rx_irqs[i] = irq;
+ }
+ for (i = 0; i < NUM_TX_QUEUE; i++) {
+ irq = platform_get_irq_byname(pdev, ravb_tx_irqs[i]);
+ if (irq < 0) {
+ error = irq;
+ goto out_release;
+ }
+ priv->tx_irqs[i] = irq;
+ }
}
priv->chip_id = chip_id;
diff --git a/drivers/net/ethernet/renesas/ravb_ptp.c b/drivers/net/ethernet/renesas/ravb_ptp.c
index 57992ccc4..eede70ec3 100644
--- a/drivers/net/ethernet/renesas/ravb_ptp.c
+++ b/drivers/net/ethernet/renesas/ravb_ptp.c
@@ -194,7 +194,12 @@ static int ravb_ptp_extts(struct ptp_clock_info *ptp,
priv->ptp.extts[req->index] = on;
spin_lock_irqsave(&priv->lock, flags);
- ravb_modify(ndev, GIC, GIC_PTCE, on ? GIC_PTCE : 0);
+ if (priv->chip_id == RCAR_GEN2)
+ ravb_modify(ndev, GIC, GIC_PTCE, on ? GIC_PTCE : 0);
+ else if (on)
+ ravb_write(ndev, GIE_PTCS, GIE);
+ else
+ ravb_write(ndev, GID_PTCD, GID);
mmiowb();
spin_unlock_irqrestore(&priv->lock, flags);
@@ -241,7 +246,10 @@ static int ravb_ptp_perout(struct ptp_clock_info *ptp,
error = ravb_ptp_update_compare(priv, (u32)start_ns);
if (!error) {
/* Unmask interrupt */
- ravb_modify(ndev, GIC, GIC_PTME, GIC_PTME);
+ if (priv->chip_id == RCAR_GEN2)
+ ravb_modify(ndev, GIC, GIC_PTME, GIC_PTME);
+ else
+ ravb_write(ndev, GIE_PTMS0, GIE);
}
} else {
spin_lock_irqsave(&priv->lock, flags);
@@ -250,7 +258,10 @@ static int ravb_ptp_perout(struct ptp_clock_info *ptp,
perout->period = 0;
/* Mask interrupt */
- ravb_modify(ndev, GIC, GIC_PTME, 0);
+ if (priv->chip_id == RCAR_GEN2)
+ ravb_modify(ndev, GIC, GIC_PTME, 0);
+ else
+ ravb_write(ndev, GID_PTMD0, GID);
}
mmiowb();
spin_unlock_irqrestore(&priv->lock, flags);
@@ -285,7 +296,7 @@ static const struct ptp_clock_info ravb_ptp_info = {
};
/* Caller must hold the lock */
-irqreturn_t ravb_ptp_interrupt(struct net_device *ndev)
+void ravb_ptp_interrupt(struct net_device *ndev)
{
struct ravb_private *priv = netdev_priv(ndev);
u32 gis = ravb_read(ndev, GIS);
@@ -308,12 +319,7 @@ irqreturn_t ravb_ptp_interrupt(struct net_device *ndev)
}
}
- if (gis) {
- ravb_write(ndev, ~gis, GIS);
- return IRQ_HANDLED;
- }
-
- return IRQ_NONE;
+ ravb_write(ndev, ~gis, GIS);
}
void ravb_ptp_init(struct net_device *ndev, struct platform_device *pdev)
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index ceea74cc2..04cd39f66 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -482,7 +482,7 @@ static void sh_eth_chip_reset(struct net_device *ndev)
struct sh_eth_private *mdp = netdev_priv(ndev);
/* reset device */
- sh_eth_tsu_write(mdp, ARSTR_ARSTR, ARSTR);
+ sh_eth_tsu_write(mdp, ARSTR_ARST, ARSTR);
mdelay(1);
}
@@ -537,11 +537,7 @@ static struct sh_eth_cpu_data r7s72100_data = {
static void sh_eth_chip_reset_r8a7740(struct net_device *ndev)
{
- struct sh_eth_private *mdp = netdev_priv(ndev);
-
- /* reset device */
- sh_eth_tsu_write(mdp, ARSTR_ARSTR, ARSTR);
- mdelay(1);
+ sh_eth_chip_reset(ndev);
sh_eth_select_mii(ndev);
}
@@ -725,8 +721,8 @@ static struct sh_eth_cpu_data sh7757_data = {
#define GIGA_MAHR(port) (SH_GIGA_ETH_BASE + 0x800 * (port) + 0x05c0)
static void sh_eth_chip_reset_giga(struct net_device *ndev)
{
- int i;
u32 mahr[2], malr[2];
+ int i;
/* save MAHR and MALR */
for (i = 0; i < 2; i++) {
@@ -734,9 +730,7 @@ static void sh_eth_chip_reset_giga(struct net_device *ndev)
mahr[i] = ioread32((void *)GIGA_MAHR(i));
}
- /* reset device */
- iowrite32(ARSTR_ARSTR, (void *)(SH_GIGA_ETH_BASE + 0x1800));
- mdelay(1);
+ sh_eth_chip_reset(ndev);
/* restore MAHR and MALR */
for (i = 0; i < 2; i++) {
@@ -899,7 +893,7 @@ static int sh_eth_check_reset(struct net_device *ndev)
int cnt = 100;
while (cnt > 0) {
- if (!(sh_eth_read(ndev, EDMR) & 0x3))
+ if (!(sh_eth_read(ndev, EDMR) & EDMR_SRST_GETHER))
break;
mdelay(1);
cnt--;
@@ -1229,7 +1223,7 @@ ring_free:
return -ENOMEM;
}
-static int sh_eth_dev_init(struct net_device *ndev, bool start)
+static int sh_eth_dev_init(struct net_device *ndev)
{
struct sh_eth_private *mdp = netdev_priv(ndev);
int ret;
@@ -1279,10 +1273,8 @@ static int sh_eth_dev_init(struct net_device *ndev, bool start)
RFLR);
sh_eth_modify(ndev, EESR, 0, 0);
- if (start) {
- mdp->irq_enabled = true;
- sh_eth_write(ndev, mdp->cd->eesipr_value, EESIPR);
- }
+ mdp->irq_enabled = true;
+ sh_eth_write(ndev, mdp->cd->eesipr_value, EESIPR);
/* PAUSE Prohibition */
sh_eth_write(ndev, ECMR_ZPF | (mdp->duplex ? ECMR_DM : 0) |
@@ -1295,8 +1287,7 @@ static int sh_eth_dev_init(struct net_device *ndev, bool start)
sh_eth_write(ndev, mdp->cd->ecsr_value, ECSR);
/* E-MAC Interrupt Enable register */
- if (start)
- sh_eth_write(ndev, mdp->cd->ecsipr_value, ECSIPR);
+ sh_eth_write(ndev, mdp->cd->ecsipr_value, ECSIPR);
/* Set MAC address */
update_mac_address(ndev);
@@ -1309,10 +1300,8 @@ static int sh_eth_dev_init(struct net_device *ndev, bool start)
if (mdp->cd->tpauser)
sh_eth_write(ndev, TPAUSER_UNLIMITED, TPAUSER);
- if (start) {
- /* Setting the Rx mode will start the Rx process. */
- sh_eth_write(ndev, EDRRR_R, EDRRR);
- }
+ /* Setting the Rx mode will start the Rx process. */
+ sh_eth_write(ndev, EDRRR_R, EDRRR);
return ret;
}
@@ -2194,7 +2183,7 @@ static int sh_eth_set_ringparam(struct net_device *ndev,
__func__);
return ret;
}
- ret = sh_eth_dev_init(ndev, true);
+ ret = sh_eth_dev_init(ndev);
if (ret < 0) {
netdev_err(ndev, "%s: sh_eth_dev_init failed.\n",
__func__);
@@ -2246,7 +2235,7 @@ static int sh_eth_open(struct net_device *ndev)
goto out_free_irq;
/* device init */
- ret = sh_eth_dev_init(ndev, true);
+ ret = sh_eth_dev_init(ndev);
if (ret)
goto out_free_irq;
@@ -2299,7 +2288,7 @@ static void sh_eth_tx_timeout(struct net_device *ndev)
}
/* device init */
- sh_eth_dev_init(ndev, true);
+ sh_eth_dev_init(ndev);
netif_start_queue(ndev);
}
diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h
index 8fa4ef3a7..c62380e34 100644
--- a/drivers/net/ethernet/renesas/sh_eth.h
+++ b/drivers/net/ethernet/renesas/sh_eth.h
@@ -394,7 +394,7 @@ enum RPADIR_BIT {
#define DEFAULT_FDR_INIT 0x00000707
/* ARSTR */
-enum ARSTR_BIT { ARSTR_ARSTR = 0x00000001, };
+enum ARSTR_BIT { ARSTR_ARST = 0x00000001, };
/* TSU_FWEN0 */
enum TSU_FWEN0_BIT {
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-02 17:58:00 +0000