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path: root/drivers/net/ks8851_mll.c
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Diffstat (limited to 'drivers/net/ks8851_mll.c')
-rw-r--r--drivers/net/ks8851_mll.c142
1 files changed, 68 insertions, 74 deletions
diff --git a/drivers/net/ks8851_mll.c b/drivers/net/ks8851_mll.c
index 0be14d702be..c146304d8d6 100644
--- a/drivers/net/ks8851_mll.c
+++ b/drivers/net/ks8851_mll.c
@@ -568,6 +568,16 @@ static inline void ks_outblk(struct ks_net *ks, u16 *wptr, u32 len)
iowrite16(*wptr++, ks->hw_addr);
}
+static void ks_disable_int(struct ks_net *ks)
+{
+ ks_wrreg16(ks, KS_IER, 0x0000);
+} /* ks_disable_int */
+
+static void ks_enable_int(struct ks_net *ks)
+{
+ ks_wrreg16(ks, KS_IER, ks->rc_ier);
+} /* ks_enable_int */
+
/**
* ks_tx_fifo_space - return the available hardware buffer size.
* @ks: The chip information
@@ -681,6 +691,47 @@ static void ks_soft_reset(struct ks_net *ks, unsigned op)
}
+void ks_enable_qmu(struct ks_net *ks)
+{
+ u16 w;
+
+ w = ks_rdreg16(ks, KS_TXCR);
+ /* Enables QMU Transmit (TXCR). */
+ ks_wrreg16(ks, KS_TXCR, w | TXCR_TXE);
+
+ /*
+ * RX Frame Count Threshold Enable and Auto-Dequeue RXQ Frame
+ * Enable
+ */
+
+ w = ks_rdreg16(ks, KS_RXQCR);
+ ks_wrreg16(ks, KS_RXQCR, w | RXQCR_RXFCTE);
+
+ /* Enables QMU Receive (RXCR1). */
+ w = ks_rdreg16(ks, KS_RXCR1);
+ ks_wrreg16(ks, KS_RXCR1, w | RXCR1_RXE);
+ ks->enabled = true;
+} /* ks_enable_qmu */
+
+static void ks_disable_qmu(struct ks_net *ks)
+{
+ u16 w;
+
+ w = ks_rdreg16(ks, KS_TXCR);
+
+ /* Disables QMU Transmit (TXCR). */
+ w &= ~TXCR_TXE;
+ ks_wrreg16(ks, KS_TXCR, w);
+
+ /* Disables QMU Receive (RXCR1). */
+ w = ks_rdreg16(ks, KS_RXCR1);
+ w &= ~RXCR1_RXE ;
+ ks_wrreg16(ks, KS_RXCR1, w);
+
+ ks->enabled = false;
+
+} /* ks_disable_qmu */
+
/**
* ks_read_qmu - read 1 pkt data from the QMU.
* @ks: The chip information
@@ -752,7 +803,7 @@ static void ks_rcv(struct ks_net *ks, struct net_device *netdev)
(frame_hdr->len < RX_BUF_SIZE) && frame_hdr->len)) {
skb_reserve(skb, 2);
/* read data block including CRC 4 bytes */
- ks_read_qmu(ks, (u16 *)skb->data, frame_hdr->len + 4);
+ ks_read_qmu(ks, (u16 *)skb->data, frame_hdr->len);
skb_put(skb, frame_hdr->len);
skb->dev = netdev;
skb->protocol = eth_type_trans(skb, netdev);
@@ -861,7 +912,7 @@ static int ks_net_open(struct net_device *netdev)
ks_dbg(ks, "%s - entry\n", __func__);
/* reset the HW */
- err = request_irq(ks->irq, ks_irq, KS_INT_FLAGS, DRV_NAME, ks);
+ err = request_irq(ks->irq, ks_irq, KS_INT_FLAGS, DRV_NAME, netdev);
if (err) {
printk(KERN_ERR "Failed to request IRQ: %d: %d\n",
@@ -869,6 +920,15 @@ static int ks_net_open(struct net_device *netdev)
return err;
}
+ /* wake up powermode to normal mode */
+ ks_set_powermode(ks, PMECR_PM_NORMAL);
+ mdelay(1); /* wait for normal mode to take effect */
+
+ ks_wrreg16(ks, KS_ISR, 0xffff);
+ ks_enable_int(ks);
+ ks_enable_qmu(ks);
+ netif_start_queue(ks->netdev);
+
if (netif_msg_ifup(ks))
ks_dbg(ks, "network device %s up\n", netdev->name);
@@ -892,19 +952,14 @@ static int ks_net_stop(struct net_device *netdev)
netif_stop_queue(netdev);
- kfree(ks->frame_head_info);
-
mutex_lock(&ks->lock);
/* turn off the IRQs and ack any outstanding */
ks_wrreg16(ks, KS_IER, 0x0000);
ks_wrreg16(ks, KS_ISR, 0xffff);
- /* shutdown RX process */
- ks_wrreg16(ks, KS_RXCR1, 0x0000);
-
- /* shutdown TX process */
- ks_wrreg16(ks, KS_TXCR, 0x0000);
+ /* shutdown RX/TX QMU */
+ ks_disable_qmu(ks);
/* set powermode to soft power down to save power */
ks_set_powermode(ks, PMECR_PM_SOFTDOWN);
@@ -929,17 +984,8 @@ static int ks_net_stop(struct net_device *netdev)
*/
static void ks_write_qmu(struct ks_net *ks, u8 *pdata, u16 len)
{
- unsigned fid = ks->fid;
-
- fid = ks->fid;
- ks->fid = (ks->fid + 1) & TXFR_TXFID_MASK;
-
- /* reduce the tx interrupt occurrances. */
- if (!fid)
- fid |= TXFR_TXIC; /* irq on completion */
-
/* start header at txb[0] to align txw entries */
- ks->txh.txw[0] = cpu_to_le16(fid);
+ ks->txh.txw[0] = 0;
ks->txh.txw[1] = cpu_to_le16(len);
/* 1. set sudo-DMA mode */
@@ -957,16 +1003,6 @@ static void ks_write_qmu(struct ks_net *ks, u8 *pdata, u16 len)
;
}
-static void ks_disable_int(struct ks_net *ks)
-{
- ks_wrreg16(ks, KS_IER, 0x0000);
-} /* ks_disable_int */
-
-static void ks_enable_int(struct ks_net *ks)
-{
- ks_wrreg16(ks, KS_IER, ks->rc_ier);
-} /* ks_enable_int */
-
/**
* ks_start_xmit - transmit packet
* @skb : The buffer to transmit
@@ -1410,25 +1446,6 @@ static int ks_read_selftest(struct ks_net *ks)
return ret;
}
-static void ks_disable(struct ks_net *ks)
-{
- u16 w;
-
- w = ks_rdreg16(ks, KS_TXCR);
-
- /* Disables QMU Transmit (TXCR). */
- w &= ~TXCR_TXE;
- ks_wrreg16(ks, KS_TXCR, w);
-
- /* Disables QMU Receive (RXCR1). */
- w = ks_rdreg16(ks, KS_RXCR1);
- w &= ~RXCR1_RXE ;
- ks_wrreg16(ks, KS_RXCR1, w);
-
- ks->enabled = false;
-
-} /* ks_disable */
-
static void ks_setup(struct ks_net *ks)
{
u16 w;
@@ -1463,7 +1480,7 @@ static void ks_setup(struct ks_net *ks)
w = TXCR_TXFCE | TXCR_TXPE | TXCR_TXCRC | TXCR_TCGIP;
ks_wrreg16(ks, KS_TXCR, w);
- w = RXCR1_RXFCE | RXCR1_RXBE | RXCR1_RXUE;
+ w = RXCR1_RXFCE | RXCR1_RXBE | RXCR1_RXUE | RXCR1_RXME | RXCR1_RXIPFCC;
if (ks->promiscuous) /* bPromiscuous */
w |= (RXCR1_RXAE | RXCR1_RXINVF);
@@ -1486,28 +1503,6 @@ static void ks_setup_int(struct ks_net *ks)
ks->rc_ier = (IRQ_LCI | IRQ_TXI | IRQ_RXI);
} /* ks_setup_int */
-void ks_enable(struct ks_net *ks)
-{
- u16 w;
-
- w = ks_rdreg16(ks, KS_TXCR);
- /* Enables QMU Transmit (TXCR). */
- ks_wrreg16(ks, KS_TXCR, w | TXCR_TXE);
-
- /*
- * RX Frame Count Threshold Enable and Auto-Dequeue RXQ Frame
- * Enable
- */
-
- w = ks_rdreg16(ks, KS_RXQCR);
- ks_wrreg16(ks, KS_RXQCR, w | RXQCR_RXFCTE);
-
- /* Enables QMU Receive (RXCR1). */
- w = ks_rdreg16(ks, KS_RXCR1);
- ks_wrreg16(ks, KS_RXCR1, w | RXCR1_RXE);
- ks->enabled = true;
-} /* ks_enable */
-
static int ks_hw_init(struct ks_net *ks)
{
#define MHEADER_SIZE (sizeof(struct type_frame_head) * MAX_RECV_FRAMES)
@@ -1612,11 +1607,9 @@ static int __devinit ks8851_probe(struct platform_device *pdev)
ks_soft_reset(ks, GRR_GSR);
ks_hw_init(ks);
- ks_disable(ks);
+ ks_disable_qmu(ks);
ks_setup(ks);
ks_setup_int(ks);
- ks_enable_int(ks);
- ks_enable(ks);
memcpy(netdev->dev_addr, ks->mac_addr, 6);
data = ks_rdreg16(ks, KS_OBCR);
@@ -1658,6 +1651,7 @@ static int __devexit ks8851_remove(struct platform_device *pdev)
struct ks_net *ks = netdev_priv(netdev);
struct resource *iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ kfree(ks->frame_head_info);
unregister_netdev(netdev);
iounmap(ks->hw_addr);
free_netdev(netdev);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-22 21:42:21 +0000