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path: root/drivers/net/ethernet/allwinner/sun4i-emac.c
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Diffstat (limited to 'drivers/net/ethernet/allwinner/sun4i-emac.c')
-rw-r--r--drivers/net/ethernet/allwinner/sun4i-emac.c31
1 files changed, 18 insertions, 13 deletions
diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c
index 849de4564709..621ce742ad21 100644
--- a/drivers/net/ethernet/allwinner/sun4i-emac.c
+++ b/drivers/net/ethernet/allwinner/sun4i-emac.c
@@ -106,9 +106,9 @@ static void emac_update_speed(struct net_device *dev)
/* set EMAC SPEED, depend on PHY */
reg_val = readl(db->membase + EMAC_MAC_SUPP_REG);
- reg_val &= ~(0x1 << 8);
+ reg_val &= ~EMAC_MAC_SUPP_100M;
if (db->speed == SPEED_100)
- reg_val |= 1 << 8;
+ reg_val |= EMAC_MAC_SUPP_100M;
writel(reg_val, db->membase + EMAC_MAC_SUPP_REG);
}
@@ -264,7 +264,7 @@ static void emac_dma_done_callback(void *arg)
/* re enable interrupt */
reg_val = readl(db->membase + EMAC_INT_CTL_REG);
- reg_val |= (0x01 << 8);
+ reg_val |= EMAC_INT_CTL_RX_EN;
writel(reg_val, db->membase + EMAC_INT_CTL_REG);
db->emacrx_completed_flag = 1;
@@ -429,7 +429,7 @@ static unsigned int emac_powerup(struct net_device *ndev)
/* initial EMAC */
/* flush RX FIFO */
reg_val = readl(db->membase + EMAC_RX_CTL_REG);
- reg_val |= 0x8;
+ reg_val |= EMAC_RX_CTL_FLUSH_FIFO;
writel(reg_val, db->membase + EMAC_RX_CTL_REG);
udelay(1);
@@ -441,8 +441,8 @@ static unsigned int emac_powerup(struct net_device *ndev)
/* set MII clock */
reg_val = readl(db->membase + EMAC_MAC_MCFG_REG);
- reg_val &= (~(0xf << 2));
- reg_val |= (0xD << 2);
+ reg_val &= ~EMAC_MAC_MCFG_MII_CLKD_MASK;
+ reg_val |= EMAC_MAC_MCFG_MII_CLKD_72;
writel(reg_val, db->membase + EMAC_MAC_MCFG_REG);
/* clear RX counter */
@@ -506,7 +506,7 @@ static void emac_init_device(struct net_device *dev)
/* enable RX/TX0/RX Hlevel interrup */
reg_val = readl(db->membase + EMAC_INT_CTL_REG);
- reg_val |= (0xf << 0) | (0x01 << 8);
+ reg_val |= (EMAC_INT_CTL_TX_EN | EMAC_INT_CTL_TX_ABRT_EN | EMAC_INT_CTL_RX_EN);
writel(reg_val, db->membase + EMAC_INT_CTL_REG);
spin_unlock_irqrestore(&db->lock, flags);
@@ -637,7 +637,9 @@ static void emac_rx(struct net_device *dev)
if (!rxcount) {
db->emacrx_completed_flag = 1;
reg_val = readl(db->membase + EMAC_INT_CTL_REG);
- reg_val |= (0xf << 0) | (0x01 << 8);
+ reg_val |= (EMAC_INT_CTL_TX_EN |
+ EMAC_INT_CTL_TX_ABRT_EN |
+ EMAC_INT_CTL_RX_EN);
writel(reg_val, db->membase + EMAC_INT_CTL_REG);
/* had one stuck? */
@@ -669,7 +671,9 @@ static void emac_rx(struct net_device *dev)
writel(reg_val | EMAC_CTL_RX_EN,
db->membase + EMAC_CTL_REG);
reg_val = readl(db->membase + EMAC_INT_CTL_REG);
- reg_val |= (0xf << 0) | (0x01 << 8);
+ reg_val |= (EMAC_INT_CTL_TX_EN |
+ EMAC_INT_CTL_TX_ABRT_EN |
+ EMAC_INT_CTL_RX_EN);
writel(reg_val, db->membase + EMAC_INT_CTL_REG);
db->emacrx_completed_flag = 1;
@@ -783,20 +787,20 @@ static irqreturn_t emac_interrupt(int irq, void *dev_id)
}
/* Transmit Interrupt check */
- if (int_status & (0x01 | 0x02))
+ if (int_status & EMAC_INT_STA_TX_COMPLETE)
emac_tx_done(dev, db, int_status);
- if (int_status & (0x04 | 0x08))
+ if (int_status & EMAC_INT_STA_TX_ABRT)
netdev_info(dev, " ab : %x\n", int_status);
/* Re-enable interrupt mask */
if (db->emacrx_completed_flag == 1) {
reg_val = readl(db->membase + EMAC_INT_CTL_REG);
- reg_val |= (0xf << 0) | (0x01 << 8);
+ reg_val |= (EMAC_INT_CTL_TX_EN | EMAC_INT_CTL_TX_ABRT_EN | EMAC_INT_CTL_RX_EN);
writel(reg_val, db->membase + EMAC_INT_CTL_REG);
} else {
reg_val = readl(db->membase + EMAC_INT_CTL_REG);
- reg_val |= (0xf << 0);
+ reg_val |= (EMAC_INT_CTL_TX_EN | EMAC_INT_CTL_TX_ABRT_EN);
writel(reg_val, db->membase + EMAC_INT_CTL_REG);
}
@@ -1068,6 +1072,7 @@ out_clk_disable_unprepare:
clk_disable_unprepare(db->clk);
out_dispose_mapping:
irq_dispose_mapping(ndev->irq);
+ dma_release_channel(db->rx_chan);
out_iounmap:
iounmap(db->membase);
out: