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path: root/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
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Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c69
1 files changed, 26 insertions, 43 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
index 7e05e8d0f1c..9d3748361a1 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
@@ -32,10 +32,15 @@
#include <asm/io.h>
#include "dwmac1000.h"
-static void dwmac1000_core_init(void __iomem *ioaddr)
+static void dwmac1000_core_init(void __iomem *ioaddr, int mtu)
{
u32 value = readl(ioaddr + GMAC_CONTROL);
value |= GMAC_CORE_INIT;
+ if (mtu > 1500)
+ value |= GMAC_CONTROL_2K;
+ if (mtu > 2000)
+ value |= GMAC_CONTROL_JE;
+
writel(value, ioaddr + GMAC_CONTROL);
/* Mask GMAC interrupts */
@@ -91,8 +96,8 @@ static void dwmac1000_set_filter(struct net_device *dev, int id)
unsigned int value = 0;
unsigned int perfect_addr_number;
- CHIP_DBG(KERN_INFO "%s: # mcasts %d, # unicast %d\n",
- __func__, netdev_mc_count(dev), netdev_uc_count(dev));
+ pr_debug("%s: # mcasts %d, # unicast %d\n", __func__,
+ netdev_mc_count(dev), netdev_uc_count(dev));
if (dev->flags & IFF_PROMISC)
value = GMAC_FRAME_FILTER_PR;
@@ -152,7 +157,7 @@ static void dwmac1000_set_filter(struct net_device *dev, int id)
#endif
writel(value, ioaddr + GMAC_FRAME_FILTER);
- CHIP_DBG(KERN_INFO "\tFilter: 0x%08x\n\tHash: HI 0x%08x, LO 0x%08x\n",
+ pr_debug("\tFilter: 0x%08x\n\tHash: HI 0x%08x, LO 0x%08x\n",
readl(ioaddr + GMAC_FRAME_FILTER),
readl(ioaddr + GMAC_HASH_HIGH), readl(ioaddr + GMAC_HASH_LOW));
}
@@ -162,18 +167,18 @@ static void dwmac1000_flow_ctrl(void __iomem *ioaddr, unsigned int duplex,
{
unsigned int flow = 0;
- CHIP_DBG(KERN_DEBUG "GMAC Flow-Control:\n");
+ pr_debug("GMAC Flow-Control:\n");
if (fc & FLOW_RX) {
- CHIP_DBG(KERN_DEBUG "\tReceive Flow-Control ON\n");
+ pr_debug("\tReceive Flow-Control ON\n");
flow |= GMAC_FLOW_CTRL_RFE;
}
if (fc & FLOW_TX) {
- CHIP_DBG(KERN_DEBUG "\tTransmit Flow-Control ON\n");
+ pr_debug("\tTransmit Flow-Control ON\n");
flow |= GMAC_FLOW_CTRL_TFE;
}
if (duplex) {
- CHIP_DBG(KERN_DEBUG "\tduplex mode: PAUSE %d\n", pause_time);
+ pr_debug("\tduplex mode: PAUSE %d\n", pause_time);
flow |= (pause_time << GMAC_FLOW_CTRL_PT_SHIFT);
}
@@ -185,11 +190,11 @@ static void dwmac1000_pmt(void __iomem *ioaddr, unsigned long mode)
unsigned int pmt = 0;
if (mode & WAKE_MAGIC) {
- CHIP_DBG(KERN_DEBUG "GMAC: WOL Magic frame\n");
+ pr_debug("GMAC: WOL Magic frame\n");
pmt |= power_down | magic_pkt_en;
}
if (mode & WAKE_UCAST) {
- CHIP_DBG(KERN_DEBUG "GMAC: WOL on global unicast\n");
+ pr_debug("GMAC: WOL on global unicast\n");
pmt |= global_unicast;
}
@@ -203,23 +208,13 @@ static int dwmac1000_irq_status(void __iomem *ioaddr,
int ret = 0;
/* Not used events (e.g. MMC interrupts) are not handled. */
- if ((intr_status & mmc_tx_irq)) {
- CHIP_DBG(KERN_INFO "GMAC: MMC tx interrupt: 0x%08x\n",
- readl(ioaddr + GMAC_MMC_TX_INTR));
+ if ((intr_status & mmc_tx_irq))
x->mmc_tx_irq_n++;
- }
- if (unlikely(intr_status & mmc_rx_irq)) {
- CHIP_DBG(KERN_INFO "GMAC: MMC rx interrupt: 0x%08x\n",
- readl(ioaddr + GMAC_MMC_RX_INTR));
+ if (unlikely(intr_status & mmc_rx_irq))
x->mmc_rx_irq_n++;
- }
- if (unlikely(intr_status & mmc_rx_csum_offload_irq)) {
- CHIP_DBG(KERN_INFO "GMAC: MMC rx csum offload: 0x%08x\n",
- readl(ioaddr + GMAC_MMC_RX_CSUM_OFFLOAD));
+ if (unlikely(intr_status & mmc_rx_csum_offload_irq))
x->mmc_rx_csum_offload_irq_n++;
- }
if (unlikely(intr_status & pmt_irq)) {
- CHIP_DBG(KERN_INFO "GMAC: received Magic frame\n");
/* clear the PMT bits 5 and 6 by reading the PMT status reg */
readl(ioaddr + GMAC_PMT);
x->irq_receive_pmt_irq_n++;
@@ -229,32 +224,22 @@ static int dwmac1000_irq_status(void __iomem *ioaddr,
/* Clean LPI interrupt by reading the Reg 12 */
ret = readl(ioaddr + LPI_CTRL_STATUS);
- if (ret & LPI_CTRL_STATUS_TLPIEN) {
- CHIP_DBG(KERN_INFO "GMAC TX entered in LPI\n");
+ if (ret & LPI_CTRL_STATUS_TLPIEN)
x->irq_tx_path_in_lpi_mode_n++;
- }
- if (ret & LPI_CTRL_STATUS_TLPIEX) {
- CHIP_DBG(KERN_INFO "GMAC TX exit from LPI\n");
+ if (ret & LPI_CTRL_STATUS_TLPIEX)
x->irq_tx_path_exit_lpi_mode_n++;
- }
- if (ret & LPI_CTRL_STATUS_RLPIEN) {
- CHIP_DBG(KERN_INFO "GMAC RX entered in LPI\n");
+ if (ret & LPI_CTRL_STATUS_RLPIEN)
x->irq_rx_path_in_lpi_mode_n++;
- }
- if (ret & LPI_CTRL_STATUS_RLPIEX) {
- CHIP_DBG(KERN_INFO "GMAC RX exit from LPI\n");
+ if (ret & LPI_CTRL_STATUS_RLPIEX)
x->irq_rx_path_exit_lpi_mode_n++;
- }
}
if ((intr_status & pcs_ane_irq) || (intr_status & pcs_link_irq)) {
- CHIP_DBG(KERN_INFO "GMAC PCS ANE IRQ\n");
readl(ioaddr + GMAC_AN_STATUS);
x->irq_pcs_ane_n++;
}
if (intr_status & rgmii_irq) {
u32 status = readl(ioaddr + GMAC_S_R_GMII);
- CHIP_DBG(KERN_INFO "GMAC RGMII/SGMII interrupt\n");
x->irq_rgmii_n++;
/* Save and dump the link status. */
@@ -271,11 +256,12 @@ static int dwmac1000_irq_status(void __iomem *ioaddr,
x->pcs_speed = SPEED_10;
x->pcs_link = 1;
- pr_debug("Link is Up - %d/%s\n", (int)x->pcs_speed,
+ pr_debug("%s: Link is Up - %d/%s\n", __func__,
+ (int)x->pcs_speed,
x->pcs_duplex ? "Full" : "Half");
} else {
x->pcs_link = 0;
- pr_debug("Link is Down\n");
+ pr_debug("%s: Link is Down\n", __func__);
}
}
@@ -334,11 +320,8 @@ static void dwmac1000_set_eee_timer(void __iomem *ioaddr, int ls, int tw)
static void dwmac1000_ctrl_ane(void __iomem *ioaddr, bool restart)
{
- u32 value;
-
- value = readl(ioaddr + GMAC_AN_CTRL);
/* auto negotiation enable and External Loopback enable */
- value = GMAC_AN_CTRL_ANE | GMAC_AN_CTRL_ELE;
+ u32 value = GMAC_AN_CTRL_ANE | GMAC_AN_CTRL_ELE;
if (restart)
value |= GMAC_AN_CTRL_RAN;