summaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/stmicro/stmmac
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/Kconfig1
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/common.h10
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c57
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c10
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c4
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c8
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c72
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/enh_desc.c95
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/norm_desc.c4
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c160
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c48
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c34
12 files changed, 210 insertions, 293 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/Kconfig b/drivers/net/ethernet/stmicro/stmmac/Kconfig
index 43c1f3223322..6e52c0f74cd9 100644
--- a/drivers/net/ethernet/stmicro/stmmac/Kconfig
+++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig
@@ -1,7 +1,6 @@
config STMMAC_ETH
tristate "STMicroelectronics 10/100/1000 Ethernet driver"
depends on HAS_IOMEM && HAS_DMA
- select NET_CORE
select MII
select PHYLIB
select CRC32
diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h
index 95176979b2d2..7eb8babed2cb 100644
--- a/drivers/net/ethernet/stmicro/stmmac/common.h
+++ b/drivers/net/ethernet/stmicro/stmmac/common.h
@@ -38,16 +38,6 @@
#include "descs.h"
#include "mmc.h"
-#undef CHIP_DEBUG_PRINT
-/* Turn-on extra printk debug for MAC core, dma and descriptors */
-/* #define CHIP_DEBUG_PRINT */
-
-#ifdef CHIP_DEBUG_PRINT
-#define CHIP_DBG(fmt, args...) printk(fmt, ## args)
-#else
-#define CHIP_DBG(fmt, args...) do { } while (0)
-#endif
-
/* Synopsys Core versions */
#define DWMAC_CORE_3_40 0x34
#define DWMAC_CORE_3_50 0x35
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
index 7e05e8d0f1c2..cdd926832e27 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
@@ -91,8 +91,8 @@ 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 +152,7 @@ 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 +162,18 @@ 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 +185,11 @@ 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 +203,13 @@ 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 +219,22 @@ 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 +251,12 @@ 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__);
}
}
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
index 2c431b616058..0c2058a69fd2 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
@@ -116,7 +116,7 @@ static void dwmac1000_dma_operation_mode(void __iomem *ioaddr, int txmode,
u32 csr6 = readl(ioaddr + DMA_CONTROL);
if (txmode == SF_DMA_MODE) {
- CHIP_DBG(KERN_DEBUG "GMAC: enable TX store and forward mode\n");
+ pr_debug("GMAC: enable TX store and forward mode\n");
/* Transmit COE type 2 cannot be done in cut-through mode. */
csr6 |= DMA_CONTROL_TSF;
/* Operating on second frame increase the performance
@@ -124,8 +124,7 @@ static void dwmac1000_dma_operation_mode(void __iomem *ioaddr, int txmode,
*/
csr6 |= DMA_CONTROL_OSF;
} else {
- CHIP_DBG(KERN_DEBUG "GMAC: disabling TX SF (threshold %d)\n",
- txmode);
+ pr_debug("GMAC: disabling TX SF (threshold %d)\n", txmode);
csr6 &= ~DMA_CONTROL_TSF;
csr6 &= DMA_CONTROL_TC_TX_MASK;
/* Set the transmit threshold */
@@ -142,11 +141,10 @@ static void dwmac1000_dma_operation_mode(void __iomem *ioaddr, int txmode,
}
if (rxmode == SF_DMA_MODE) {
- CHIP_DBG(KERN_DEBUG "GMAC: enable RX store and forward mode\n");
+ pr_debug("GMAC: enable RX store and forward mode\n");
csr6 |= DMA_CONTROL_RSF;
} else {
- CHIP_DBG(KERN_DEBUG "GMAC: disable RX SF mode (threshold %d)\n",
- rxmode);
+ pr_debug("GMAC: disable RX SF mode (threshold %d)\n", rxmode);
csr6 &= ~DMA_CONTROL_RSF;
csr6 &= DMA_CONTROL_TC_RX_MASK;
if (rxmode <= 32)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c
index 007bb2be3f10..5857d677dac1 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c
@@ -135,10 +135,6 @@ static void dwmac100_set_filter(struct net_device *dev, int id)
}
writel(value, ioaddr + MAC_CONTROL);
-
- CHIP_DBG(KERN_INFO "%s: Filter: 0x%08x Hash: HI 0x%08x, LO 0x%08x\n",
- __func__, readl(ioaddr + MAC_CONTROL),
- readl(ioaddr + MAC_HASH_HIGH), readl(ioaddr + MAC_HASH_LOW));
}
static void dwmac100_flow_ctrl(void __iomem *ioaddr, unsigned int duplex,
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c
index 67551c154138..7d1dce9e7ffc 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c
@@ -90,14 +90,14 @@ static void dwmac100_dump_dma_regs(void __iomem *ioaddr)
{
int i;
- CHIP_DBG(KERN_DEBUG "DWMAC 100 DMA CSR\n");
+ pr_debug("DWMAC 100 DMA CSR\n");
for (i = 0; i < 9; i++)
pr_debug("\t CSR%d (offset 0x%x): 0x%08x\n", i,
(DMA_BUS_MODE + i * 4),
readl(ioaddr + DMA_BUS_MODE + i * 4));
- CHIP_DBG(KERN_DEBUG "\t CSR20 (offset 0x%x): 0x%08x\n",
- DMA_CUR_TX_BUF_ADDR, readl(ioaddr + DMA_CUR_TX_BUF_ADDR));
- CHIP_DBG(KERN_DEBUG "\t CSR21 (offset 0x%x): 0x%08x\n",
+
+ pr_debug("\tCSR20 (0x%x): 0x%08x, CSR21 (0x%x): 0x%08x\n",
+ DMA_CUR_TX_BUF_ADDR, readl(ioaddr + DMA_CUR_TX_BUF_ADDR),
DMA_CUR_RX_BUF_ADDR, readl(ioaddr + DMA_CUR_RX_BUF_ADDR));
}
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c b/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c
index 491d7e930603..484e3cf9c414 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c
@@ -24,13 +24,6 @@
#include "common.h"
#include "dwmac_dma.h"
-#undef DWMAC_DMA_DEBUG
-#ifdef DWMAC_DMA_DEBUG
-#define DWMAC_LIB_DBG(fmt, args...) printk(fmt, ## args)
-#else
-#define DWMAC_LIB_DBG(fmt, args...) do { } while (0)
-#endif
-
#define GMAC_HI_REG_AE 0x80000000
/* CSR1 enables the transmit DMA to check for new descriptor */
@@ -85,24 +78,24 @@ static void show_tx_process_state(unsigned int status)
switch (state) {
case 0:
- pr_info("- TX (Stopped): Reset or Stop command\n");
+ pr_debug("- TX (Stopped): Reset or Stop command\n");
break;
case 1:
- pr_info("- TX (Running):Fetching the Tx desc\n");
+ pr_debug("- TX (Running):Fetching the Tx desc\n");
break;
case 2:
- pr_info("- TX (Running): Waiting for end of tx\n");
+ pr_debug("- TX (Running): Waiting for end of tx\n");
break;
case 3:
- pr_info("- TX (Running): Reading the data "
+ pr_debug("- TX (Running): Reading the data "
"and queuing the data into the Tx buf\n");
break;
case 6:
- pr_info("- TX (Suspended): Tx Buff Underflow "
+ pr_debug("- TX (Suspended): Tx Buff Underflow "
"or an unavailable Transmit descriptor\n");
break;
case 7:
- pr_info("- TX (Running): Closing Tx descriptor\n");
+ pr_debug("- TX (Running): Closing Tx descriptor\n");
break;
default:
break;
@@ -116,29 +109,29 @@ static void show_rx_process_state(unsigned int status)
switch (state) {
case 0:
- pr_info("- RX (Stopped): Reset or Stop command\n");
+ pr_debug("- RX (Stopped): Reset or Stop command\n");
break;
case 1:
- pr_info("- RX (Running): Fetching the Rx desc\n");
+ pr_debug("- RX (Running): Fetching the Rx desc\n");
break;
case 2:
- pr_info("- RX (Running):Checking for end of pkt\n");
+ pr_debug("- RX (Running):Checking for end of pkt\n");
break;
case 3:
- pr_info("- RX (Running): Waiting for Rx pkt\n");
+ pr_debug("- RX (Running): Waiting for Rx pkt\n");
break;
case 4:
- pr_info("- RX (Suspended): Unavailable Rx buf\n");
+ pr_debug("- RX (Suspended): Unavailable Rx buf\n");
break;
case 5:
- pr_info("- RX (Running): Closing Rx descriptor\n");
+ pr_debug("- RX (Running): Closing Rx descriptor\n");
break;
case 6:
- pr_info("- RX(Running): Flushing the current frame"
+ pr_debug("- RX(Running): Flushing the current frame"
" from the Rx buf\n");
break;
case 7:
- pr_info("- RX (Running): Queuing the Rx frame"
+ pr_debug("- RX (Running): Queuing the Rx frame"
" from the Rx buf into memory\n");
break;
default:
@@ -154,51 +147,37 @@ int dwmac_dma_interrupt(void __iomem *ioaddr,
/* read the status register (CSR5) */
u32 intr_status = readl(ioaddr + DMA_STATUS);
- DWMAC_LIB_DBG(KERN_INFO "%s: [CSR5: 0x%08x]\n", __func__, intr_status);
#ifdef DWMAC_DMA_DEBUG
- /* It displays the DMA process states (CSR5 register) */
+ /* Enable it to monitor DMA rx/tx status in case of critical problems */
+ pr_debug("%s: [CSR5: 0x%08x]\n", __func__, intr_status);
show_tx_process_state(intr_status);
show_rx_process_state(intr_status);
#endif
/* ABNORMAL interrupts */
if (unlikely(intr_status & DMA_STATUS_AIS)) {
- DWMAC_LIB_DBG(KERN_INFO "CSR5[15] DMA ABNORMAL IRQ: ");
if (unlikely(intr_status & DMA_STATUS_UNF)) {
- DWMAC_LIB_DBG(KERN_INFO "transmit underflow\n");
ret = tx_hard_error_bump_tc;
x->tx_undeflow_irq++;
}
- if (unlikely(intr_status & DMA_STATUS_TJT)) {
- DWMAC_LIB_DBG(KERN_INFO "transmit jabber\n");
+ if (unlikely(intr_status & DMA_STATUS_TJT))
x->tx_jabber_irq++;
- }
- if (unlikely(intr_status & DMA_STATUS_OVF)) {
- DWMAC_LIB_DBG(KERN_INFO "recv overflow\n");
+
+ if (unlikely(intr_status & DMA_STATUS_OVF))
x->rx_overflow_irq++;
- }
- if (unlikely(intr_status & DMA_STATUS_RU)) {
- DWMAC_LIB_DBG(KERN_INFO "receive buffer unavailable\n");
+
+ if (unlikely(intr_status & DMA_STATUS_RU))
x->rx_buf_unav_irq++;
- }
- if (unlikely(intr_status & DMA_STATUS_RPS)) {
- DWMAC_LIB_DBG(KERN_INFO "receive process stopped\n");
+ if (unlikely(intr_status & DMA_STATUS_RPS))
x->rx_process_stopped_irq++;
- }
- if (unlikely(intr_status & DMA_STATUS_RWT)) {
- DWMAC_LIB_DBG(KERN_INFO "receive watchdog\n");
+ if (unlikely(intr_status & DMA_STATUS_RWT))
x->rx_watchdog_irq++;
- }
- if (unlikely(intr_status & DMA_STATUS_ETI)) {
- DWMAC_LIB_DBG(KERN_INFO "transmit early interrupt\n");
+ if (unlikely(intr_status & DMA_STATUS_ETI))
x->tx_early_irq++;
- }
if (unlikely(intr_status & DMA_STATUS_TPS)) {
- DWMAC_LIB_DBG(KERN_INFO "transmit process stopped\n");
x->tx_process_stopped_irq++;
ret = tx_hard_error;
}
if (unlikely(intr_status & DMA_STATUS_FBI)) {
- DWMAC_LIB_DBG(KERN_INFO "fatal bus error\n");
x->fatal_bus_error_irq++;
ret = tx_hard_error;
}
@@ -224,12 +203,11 @@ int dwmac_dma_interrupt(void __iomem *ioaddr,
/* Optional hardware blocks, interrupts should be disabled */
if (unlikely(intr_status &
(DMA_STATUS_GPI | DMA_STATUS_GMI | DMA_STATUS_GLI)))
- pr_info("%s: unexpected status %08x\n", __func__, intr_status);
+ pr_warn("%s: unexpected status %08x\n", __func__, intr_status);
/* Clear the interrupt by writing a logic 1 to the CSR5[15-0] */
writel((intr_status & 0x1ffff), ioaddr + DMA_STATUS);
- DWMAC_LIB_DBG(KERN_INFO "\n\n");
return ret;
}
diff --git a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c
index 0fbc8fafa706..7e6628a91514 100644
--- a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c
+++ b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c
@@ -33,54 +33,40 @@ static int enh_desc_get_tx_status(void *data, struct stmmac_extra_stats *x,
struct net_device_stats *stats = (struct net_device_stats *)data;
if (unlikely(p->des01.etx.error_summary)) {
- CHIP_DBG(KERN_ERR "GMAC TX error... 0x%08x\n", p->des01.etx);
- if (unlikely(p->des01.etx.jabber_timeout)) {
- CHIP_DBG(KERN_ERR "\tjabber_timeout error\n");
+ if (unlikely(p->des01.etx.jabber_timeout))
x->tx_jabber++;
- }
if (unlikely(p->des01.etx.frame_flushed)) {
- CHIP_DBG(KERN_ERR "\tframe_flushed error\n");
x->tx_frame_flushed++;
dwmac_dma_flush_tx_fifo(ioaddr);
}
if (unlikely(p->des01.etx.loss_carrier)) {
- CHIP_DBG(KERN_ERR "\tloss_carrier error\n");
x->tx_losscarrier++;
stats->tx_carrier_errors++;
}
if (unlikely(p->des01.etx.no_carrier)) {
- CHIP_DBG(KERN_ERR "\tno_carrier error\n");
x->tx_carrier++;
stats->tx_carrier_errors++;
}
- if (unlikely(p->des01.etx.late_collision)) {
- CHIP_DBG(KERN_ERR "\tlate_collision error\n");
+ if (unlikely(p->des01.etx.late_collision))
stats->collisions += p->des01.etx.collision_count;
- }
- if (unlikely(p->des01.etx.excessive_collisions)) {
- CHIP_DBG(KERN_ERR "\texcessive_collisions\n");
+
+ if (unlikely(p->des01.etx.excessive_collisions))
stats->collisions += p->des01.etx.collision_count;
- }
- if (unlikely(p->des01.etx.excessive_deferral)) {
- CHIP_DBG(KERN_INFO "\texcessive tx_deferral\n");
+
+ if (unlikely(p->des01.etx.excessive_deferral))
x->tx_deferred++;
- }
if (unlikely(p->des01.etx.underflow_error)) {
- CHIP_DBG(KERN_ERR "\tunderflow error\n");
dwmac_dma_flush_tx_fifo(ioaddr);
x->tx_underflow++;
}
- if (unlikely(p->des01.etx.ip_header_error)) {
- CHIP_DBG(KERN_ERR "\tTX IP header csum error\n");
+ if (unlikely(p->des01.etx.ip_header_error))
x->tx_ip_header_error++;
- }
if (unlikely(p->des01.etx.payload_error)) {
- CHIP_DBG(KERN_ERR "\tAddr/Payload csum error\n");
x->tx_payload_error++;
dwmac_dma_flush_tx_fifo(ioaddr);
}
@@ -88,15 +74,12 @@ static int enh_desc_get_tx_status(void *data, struct stmmac_extra_stats *x,
ret = -1;
}
- if (unlikely(p->des01.etx.deferred)) {
- CHIP_DBG(KERN_INFO "GMAC TX status: tx deferred\n");
+ if (unlikely(p->des01.etx.deferred))
x->tx_deferred++;
- }
+
#ifdef STMMAC_VLAN_TAG_USED
- if (p->des01.etx.vlan_frame) {
- CHIP_DBG(KERN_INFO "GMAC TX status: VLAN frame\n");
+ if (p->des01.etx.vlan_frame)
x->tx_vlan++;
- }
#endif
return ret;
@@ -123,30 +106,20 @@ static int enh_desc_coe_rdes0(int ipc_err, int type, int payload_err)
* 0 1 1 | COE bypassed.. no IPv4/6 frame
* 0 1 0 | Reserved.
*/
- if (status == 0x0) {
- CHIP_DBG(KERN_INFO "RX Des0 status: IEEE 802.3 Type frame.\n");
+ if (status == 0x0)
ret = llc_snap;
- } else if (status == 0x4) {
- CHIP_DBG(KERN_INFO "RX Des0 status: IPv4/6 No CSUM errorS.\n");
+ else if (status == 0x4)
ret = good_frame;
- } else if (status == 0x5) {
- CHIP_DBG(KERN_ERR "RX Des0 status: IPv4/6 Payload Error.\n");
+ else if (status == 0x5)
ret = csum_none;
- } else if (status == 0x6) {
- CHIP_DBG(KERN_ERR "RX Des0 status: IPv4/6 Header Error.\n");
+ else if (status == 0x6)
ret = csum_none;
- } else if (status == 0x7) {
- CHIP_DBG(KERN_ERR
- "RX Des0 status: IPv4/6 Header and Payload Error.\n");
+ else if (status == 0x7)
ret = csum_none;
- } else if (status == 0x1) {
- CHIP_DBG(KERN_ERR
- "RX Des0 status: IPv4/6 unsupported IP PAYLOAD.\n");
+ else if (status == 0x1)
ret = discard_frame;
- } else if (status == 0x3) {
- CHIP_DBG(KERN_ERR "RX Des0 status: No IPv4, IPv6 frame.\n");
+ else if (status == 0x3)
ret = discard_frame;
- }
return ret;
}
@@ -208,36 +181,26 @@ static int enh_desc_get_rx_status(void *data, struct stmmac_extra_stats *x,
struct net_device_stats *stats = (struct net_device_stats *)data;
if (unlikely(p->des01.erx.error_summary)) {
- CHIP_DBG(KERN_ERR "GMAC RX Error Summary 0x%08x\n",
- p->des01.erx);
if (unlikely(p->des01.erx.descriptor_error)) {
- CHIP_DBG(KERN_ERR "\tdescriptor error\n");
x->rx_desc++;
stats->rx_length_errors++;
}
- if (unlikely(p->des01.erx.overflow_error)) {
- CHIP_DBG(KERN_ERR "\toverflow error\n");
+ if (unlikely(p->des01.erx.overflow_error))
x->rx_gmac_overflow++;
- }
if (unlikely(p->des01.erx.ipc_csum_error))
- CHIP_DBG(KERN_ERR "\tIPC Csum Error/Giant frame\n");
+ pr_err("\tIPC Csum Error/Giant frame\n");
if (unlikely(p->des01.erx.late_collision)) {
- CHIP_DBG(KERN_ERR "\tlate_collision error\n");
- stats->collisions++;
stats->collisions++;
}
- if (unlikely(p->des01.erx.receive_watchdog)) {
- CHIP_DBG(KERN_ERR "\treceive_watchdog error\n");
+ if (unlikely(p->des01.erx.receive_watchdog))
x->rx_watchdog++;
- }
- if (unlikely(p->des01.erx.error_gmii)) {
- CHIP_DBG(KERN_ERR "\tReceive Error\n");
+
+ if (unlikely(p->des01.erx.error_gmii))
x->rx_mii++;
- }
+
if (unlikely(p->des01.erx.crc_error)) {
- CHIP_DBG(KERN_ERR "\tCRC error\n");
x->rx_crc++;
stats->rx_crc_errors++;
}
@@ -251,30 +214,24 @@ static int enh_desc_get_rx_status(void *data, struct stmmac_extra_stats *x,
ret = enh_desc_coe_rdes0(p->des01.erx.ipc_csum_error,
p->des01.erx.frame_type, p->des01.erx.rx_mac_addr);
- if (unlikely(p->des01.erx.dribbling)) {
- CHIP_DBG(KERN_ERR "GMAC RX: dribbling error\n");
+ if (unlikely(p->des01.erx.dribbling))
x->dribbling_bit++;
- }
+
if (unlikely(p->des01.erx.sa_filter_fail)) {
- CHIP_DBG(KERN_ERR "GMAC RX : Source Address filter fail\n");
x->sa_rx_filter_fail++;
ret = discard_frame;
}
if (unlikely(p->des01.erx.da_filter_fail)) {
- CHIP_DBG(KERN_ERR "GMAC RX : Dest Address filter fail\n");
x->da_rx_filter_fail++;
ret = discard_frame;
}
if (unlikely(p->des01.erx.length_error)) {
- CHIP_DBG(KERN_ERR "GMAC RX: length_error error\n");
x->rx_length++;
ret = discard_frame;
}
#ifdef STMMAC_VLAN_TAG_USED
- if (p->des01.erx.vlan_tag) {
- CHIP_DBG(KERN_INFO "GMAC RX: VLAN frame tagged\n");
+ if (p->des01.erx.vlan_tag)
x->rx_vlan++;
- }
#endif
return ret;
diff --git a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c
index 11775b99afc5..35ad4f427ae2 100644
--- a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c
+++ b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c
@@ -52,10 +52,8 @@ static int ndesc_get_tx_status(void *data, struct stmmac_extra_stats *x,
ret = -1;
}
- if (p->des01.etx.vlan_frame) {
- CHIP_DBG(KERN_INFO "GMAC TX status: VLAN frame\n");
+ if (p->des01.etx.vlan_frame)
x->tx_vlan++;
- }
if (unlikely(p->des01.tx.deferred))
x->tx_deferred++;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index e9eab29db7be..f2ccb36e8685 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -51,32 +51,6 @@
#include "stmmac_ptp.h"
#include "stmmac.h"
-#undef STMMAC_DEBUG
-/*#define STMMAC_DEBUG*/
-#ifdef STMMAC_DEBUG
-#define DBG(nlevel, klevel, fmt, args...) \
- ((void)(netif_msg_##nlevel(priv) && \
- printk(KERN_##klevel fmt, ## args)))
-#else
-#define DBG(nlevel, klevel, fmt, args...) do { } while (0)
-#endif
-
-#undef STMMAC_RX_DEBUG
-/*#define STMMAC_RX_DEBUG*/
-#ifdef STMMAC_RX_DEBUG
-#define RX_DBG(fmt, args...) printk(fmt, ## args)
-#else
-#define RX_DBG(fmt, args...) do { } while (0)
-#endif
-
-#undef STMMAC_XMIT_DEBUG
-/*#define STMMAC_XMIT_DEBUG*/
-#ifdef STMMAC_XMIT_DEBUG
-#define TX_DBG(fmt, args...) printk(fmt, ## args)
-#else
-#define TX_DBG(fmt, args...) do { } while (0)
-#endif
-
#define STMMAC_ALIGN(x) L1_CACHE_ALIGN(x)
#define JUMBO_LEN 9000
@@ -214,19 +188,17 @@ static void stmmac_clk_csr_set(struct stmmac_priv *priv)
}
}
-#if defined(STMMAC_XMIT_DEBUG) || defined(STMMAC_RX_DEBUG)
static void print_pkt(unsigned char *buf, int len)
{
int j;
- pr_info("len = %d byte, buf addr: 0x%p", len, buf);
+ pr_debug("len = %d byte, buf addr: 0x%p", len, buf);
for (j = 0; j < len; j++) {
if ((j % 16) == 0)
- pr_info("\n %03x:", j);
- pr_info(" %02x", buf[j]);
+ pr_debug("\n %03x:", j);
+ pr_debug(" %02x", buf[j]);
}
- pr_info("\n");
+ pr_debug("\n");
}
-#endif
/* minimum number of free TX descriptors required to wake up TX process */
#define STMMAC_TX_THRESH(x) (x->dma_tx_size/4)
@@ -696,9 +668,6 @@ static void stmmac_adjust_link(struct net_device *dev)
if (phydev == NULL)
return;
- DBG(probe, DEBUG, "stmmac_adjust_link: called. address %d link %d\n",
- phydev->addr, phydev->link);
-
spin_lock_irqsave(&priv->lock, flags);
if (phydev->link) {
@@ -773,8 +742,6 @@ static void stmmac_adjust_link(struct net_device *dev)
priv->eee_enabled = stmmac_eee_init(priv);
spin_unlock_irqrestore(&priv->lock, flags);
-
- DBG(probe, DEBUG, "stmmac_adjust_link: exiting\n");
}
/**
@@ -789,13 +756,13 @@ static void stmmac_check_pcs_mode(struct stmmac_priv *priv)
int interface = priv->plat->interface;
if (priv->dma_cap.pcs) {
- if ((interface & PHY_INTERFACE_MODE_RGMII) ||
- (interface & PHY_INTERFACE_MODE_RGMII_ID) ||
- (interface & PHY_INTERFACE_MODE_RGMII_RXID) ||
- (interface & PHY_INTERFACE_MODE_RGMII_TXID)) {
+ if ((interface == PHY_INTERFACE_MODE_RGMII) ||
+ (interface == PHY_INTERFACE_MODE_RGMII_ID) ||
+ (interface == PHY_INTERFACE_MODE_RGMII_RXID) ||
+ (interface == PHY_INTERFACE_MODE_RGMII_TXID)) {
pr_debug("STMMAC: PCS RGMII support enable\n");
priv->pcs = STMMAC_PCS_RGMII;
- } else if (interface & PHY_INTERFACE_MODE_SGMII) {
+ } else if (interface == PHY_INTERFACE_MODE_SGMII) {
pr_debug("STMMAC: PCS SGMII support enable\n");
priv->pcs = STMMAC_PCS_SGMII;
}
@@ -1015,8 +982,9 @@ static void init_dma_desc_rings(struct net_device *dev)
if (bfsize < BUF_SIZE_16KiB)
bfsize = stmmac_set_bfsize(dev->mtu, priv->dma_buf_sz);
- DBG(probe, INFO, "stmmac: txsize %d, rxsize %d, bfsize %d\n",
- txsize, rxsize, bfsize);
+ if (netif_msg_probe(priv))
+ pr_debug("%s: txsize %d, rxsize %d, bfsize %d\n", __func__,
+ txsize, rxsize, bfsize);
if (priv->extend_desc) {
priv->dma_erx = dma_alloc_coherent(priv->device, rxsize *
@@ -1052,12 +1020,13 @@ static void init_dma_desc_rings(struct net_device *dev)
GFP_KERNEL);
priv->tx_skbuff = kmalloc_array(txsize, sizeof(struct sk_buff *),
GFP_KERNEL);
- if (netif_msg_drv(priv))
+ if (netif_msg_probe(priv)) {
pr_debug("(%s) dma_rx_phy=0x%08x dma_tx_phy=0x%08x\n", __func__,
(u32) priv->dma_rx_phy, (u32) priv->dma_tx_phy);
- /* RX INITIALIZATION */
- DBG(probe, INFO, "stmmac: SKB addresses:\nskb\t\tskb data\tdma data\n");
+ /* RX INITIALIZATION */
+ pr_debug("\tSKB addresses:\nskb\t\tskb data\tdma data\n");
+ }
for (i = 0; i < rxsize; i++) {
struct dma_desc *p;
if (priv->extend_desc)
@@ -1068,8 +1037,10 @@ static void init_dma_desc_rings(struct net_device *dev)
if (stmmac_init_rx_buffers(priv, p, i))
break;
- DBG(probe, INFO, "[%p]\t[%p]\t[%x]\n", priv->rx_skbuff[i],
- priv->rx_skbuff[i]->data, priv->rx_skbuff_dma[i]);
+ if (netif_msg_probe(priv))
+ pr_debug("[%p]\t[%p]\t[%x]\n", priv->rx_skbuff[i],
+ priv->rx_skbuff[i]->data,
+ (unsigned int)priv->rx_skbuff_dma[i]);
}
priv->cur_rx = 0;
priv->dirty_rx = (unsigned int)(i - rxsize);
@@ -1244,8 +1215,9 @@ static void stmmac_tx_clean(struct stmmac_priv *priv)
stmmac_get_tx_hwtstamp(priv, entry, skb);
}
- TX_DBG("%s: curr %d, dirty %d\n", __func__,
- priv->cur_tx, priv->dirty_tx);
+ if (netif_msg_tx_done(priv))
+ pr_debug("%s: curr %d, dirty %d\n", __func__,
+ priv->cur_tx, priv->dirty_tx);
if (likely(priv->tx_skbuff_dma[entry])) {
dma_unmap_single(priv->device,
@@ -1270,7 +1242,8 @@ static void stmmac_tx_clean(struct stmmac_priv *priv)
netif_tx_lock(priv->dev);
if (netif_queue_stopped(priv->dev) &&
stmmac_tx_avail(priv) > STMMAC_TX_THRESH(priv)) {
- TX_DBG("%s: restart transmit\n", __func__);
+ if (netif_msg_tx_done(priv))
+ pr_debug("%s: restart transmit\n", __func__);
netif_wake_queue(priv->dev);
}
netif_tx_unlock(priv->dev);
@@ -1579,7 +1552,7 @@ static int stmmac_open(struct net_device *dev)
if (ret) {
pr_err("%s: Cannot attach to PHY (error: %d)\n",
__func__, ret);
- goto open_error;
+ goto phy_error;
}
}
@@ -1593,7 +1566,7 @@ static int stmmac_open(struct net_device *dev)
ret = stmmac_init_dma_engine(priv);
if (ret < 0) {
pr_err("%s: DMA initialization failed\n", __func__);
- goto open_error;
+ goto init_error;
}
/* Copy the MAC addr into the HW */
@@ -1612,7 +1585,7 @@ static int stmmac_open(struct net_device *dev)
if (unlikely(ret < 0)) {
pr_err("%s: ERROR: allocating the IRQ %d (error: %d)\n",
__func__, dev->irq, ret);
- goto open_error;
+ goto init_error;
}
/* Request the Wake IRQ in case of another line is used for WoL */
@@ -1622,7 +1595,7 @@ static int stmmac_open(struct net_device *dev)
if (unlikely(ret < 0)) {
pr_err("%s: ERROR: allocating the WoL IRQ %d (%d)\n",
__func__, priv->wol_irq, ret);
- goto open_error_wolirq;
+ goto wolirq_error;
}
}
@@ -1633,7 +1606,7 @@ static int stmmac_open(struct net_device *dev)
if (unlikely(ret < 0)) {
pr_err("%s: ERROR: allocating the LPI IRQ %d (%d)\n",
__func__, priv->lpi_irq, ret);
- goto open_error_lpiirq;
+ goto lpiirq_error;
}
}
@@ -1659,7 +1632,7 @@ static int stmmac_open(struct net_device *dev)
pr_warn("%s: failed debugFS registration\n", __func__);
#endif
/* Start the ball rolling... */
- DBG(probe, DEBUG, "%s: DMA RX/TX processes started...\n", dev->name);
+ pr_debug("%s: DMA RX/TX processes started...\n", dev->name);
priv->hw->dma->start_tx(priv->ioaddr);
priv->hw->dma->start_rx(priv->ioaddr);
@@ -1691,17 +1664,17 @@ static int stmmac_open(struct net_device *dev)
return 0;
-open_error_lpiirq:
+lpiirq_error:
if (priv->wol_irq != dev->irq)
free_irq(priv->wol_irq, dev);
-
-open_error_wolirq:
+wolirq_error:
free_irq(dev->irq, dev);
-open_error:
+init_error:
+ free_dma_desc_resources(priv);
if (priv->phydev)
phy_disconnect(priv->phydev);
-
+phy_error:
clk_disable_unprepare(priv->stmmac_clk);
return ret;
@@ -1796,16 +1769,6 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev)
entry = priv->cur_tx % txsize;
-#ifdef STMMAC_XMIT_DEBUG
- if ((skb->len > ETH_FRAME_LEN) || nfrags)
- pr_debug("%s: [entry %d]: skb addr %p len: %d nopagedlen: %d\n"
- "\tn_frags: %d - ip_summed: %d - %s gso\n"
- "\ttx_count_frames %d\n", __func__, entry,
- skb, skb->len, nopaged_len, nfrags, skb->ip_summed,
- !skb_is_gso(skb) ? "isn't" : "is",
- priv->tx_count_frames);
-#endif
-
csum_insertion = (skb->ip_summed == CHECKSUM_PARTIAL);
if (priv->extend_desc)
@@ -1815,12 +1778,6 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev)
first = desc;
-#ifdef STMMAC_XMIT_DEBUG
- if ((nfrags > 0) || (skb->len > ETH_FRAME_LEN))
- pr_debug("\tskb len: %d, nopaged_len: %d,\n"
- "\t\tn_frags: %d, ip_summed: %d\n",
- skb->len, nopaged_len, nfrags, skb->ip_summed);
-#endif
priv->tx_skbuff[entry] = skb;
/* To program the descriptors according to the size of the frame */
@@ -1856,7 +1813,6 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev)
else
desc = priv->dma_tx + entry;
- TX_DBG("\t[entry %d] segment len: %d\n", entry, len);
desc->des2 = skb_frag_dma_map(priv->device, frag, 0, len,
DMA_TO_DEVICE);
priv->tx_skbuff_dma[entry] = desc->des2;
@@ -1880,8 +1836,6 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev)
if (priv->tx_coal_frames > priv->tx_count_frames) {
priv->hw->desc->clear_tx_ic(desc);
priv->xstats.tx_reset_ic_bit++;
- TX_DBG("\t[entry %d]: tx_count_frames %d\n", entry,
- priv->tx_count_frames);
mod_timer(&priv->txtimer,
STMMAC_COAL_TIMER(priv->tx_coal_timer));
} else
@@ -1893,22 +1847,22 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev)
priv->cur_tx++;
-#ifdef STMMAC_XMIT_DEBUG
if (netif_msg_pktdata(priv)) {
- pr_info("%s: curr %d dirty=%d entry=%d, first=%p, nfrags=%d",
+ pr_debug("%s: curr %d dirty=%d entry=%d, first=%p, nfrags=%d",
__func__, (priv->cur_tx % txsize),
(priv->dirty_tx % txsize), entry, first, nfrags);
+
if (priv->extend_desc)
stmmac_display_ring((void *)priv->dma_etx, txsize, 1);
else
stmmac_display_ring((void *)priv->dma_tx, txsize, 0);
- pr_info(">>> frame to be transmitted: ");
+ pr_debug(">>> frame to be transmitted: ");
print_pkt(skb->data, skb->len);
}
-#endif
if (unlikely(stmmac_tx_avail(priv) <= (MAX_SKB_FRAGS + 1))) {
- TX_DBG("%s: stop transmitted packets\n", __func__);
+ if (netif_msg_hw(priv))
+ pr_debug("%s: stop transmitted packets\n", __func__);
netif_stop_queue(dev);
}
@@ -1968,7 +1922,8 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv)
priv->hw->ring->refill_desc3(priv, p);
- RX_DBG(KERN_INFO "\trefill entry #%d\n", entry);
+ if (netif_msg_rx_status(priv))
+ pr_debug("\trefill entry #%d\n", entry);
}
wmb();
priv->hw->desc->set_rx_owner(p);
@@ -1991,15 +1946,13 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit)
unsigned int count = 0;
int coe = priv->plat->rx_coe;
-#ifdef STMMAC_RX_DEBUG
- if (netif_msg_hw(priv)) {
- pr_debug(">>> stmmac_rx: descriptor ring:\n");
+ if (netif_msg_rx_status(priv)) {
+ pr_debug("%s: descriptor ring:\n", __func__);
if (priv->extend_desc)
stmmac_display_ring((void *)priv->dma_erx, rxsize, 1);
else
stmmac_display_ring((void *)priv->dma_rx, rxsize, 0);
}
-#endif
while (count < limit) {
int status;
struct dma_desc *p;
@@ -2053,15 +2006,14 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit)
*/
if (unlikely(status != llc_snap))
frame_len -= ETH_FCS_LEN;
-#ifdef STMMAC_RX_DEBUG
- if (frame_len > ETH_FRAME_LEN)
- pr_debug("\tRX frame size %d, COE status: %d\n",
- frame_len, status);
- if (netif_msg_hw(priv))
+ if (netif_msg_rx_status(priv)) {
pr_debug("\tdesc: %p [entry %d] buff=0x%x\n",
p, entry, p->des2);
-#endif
+ if (frame_len > ETH_FRAME_LEN)
+ pr_debug("\tframe size %d, COE: %d\n",
+ frame_len, status);
+ }
skb = priv->rx_skbuff[entry];
if (unlikely(!skb)) {
pr_err("%s: Inconsistent Rx descriptor chain\n",
@@ -2078,12 +2030,12 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit)
dma_unmap_single(priv->device,
priv->rx_skbuff_dma[entry],
priv->dma_buf_sz, DMA_FROM_DEVICE);
-#ifdef STMMAC_RX_DEBUG
+
if (netif_msg_pktdata(priv)) {
- pr_info(" frame received (%dbytes)", frame_len);
+ pr_debug("frame received (%dbytes)", frame_len);
print_pkt(skb->data, frame_len);
}
-#endif
+
skb->protocol = eth_type_trans(skb, priv->dev);
if (unlikely(!coe))
@@ -2562,9 +2514,6 @@ static int stmmac_hw_init(struct stmmac_priv *priv)
/* Get and dump the chip ID */
priv->synopsys_id = stmmac_get_synopsys_id(priv);
- /* To use alternate (extended) or normal descriptor structures */
- stmmac_selec_desc_mode(priv);
-
/* To use the chained or ring mode */
if (chain_mode) {
priv->hw->chain = &chain_mode_ops;
@@ -2599,6 +2548,9 @@ static int stmmac_hw_init(struct stmmac_priv *priv)
} else
pr_info(" No HW DMA feature register supported");
+ /* To use alternate (extended) or normal descriptor structures */
+ stmmac_selec_desc_mode(priv);
+
ret = priv->hw->mac->rx_ipc(priv->ioaddr);
if (!ret) {
pr_warn(" RX IPC Checksum Offload not configured.\n");
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
index cc15039eaa47..fe7bc9903867 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
@@ -27,6 +27,9 @@
#include <linux/mii.h>
#include <linux/phy.h>
#include <linux/slab.h>
+#include <linux/of.h>
+#include <linux/of_gpio.h>
+
#include <asm/io.h>
#include "stmmac.h"
@@ -131,10 +134,46 @@ static int stmmac_mdio_reset(struct mii_bus *bus)
struct net_device *ndev = bus->priv;
struct stmmac_priv *priv = netdev_priv(ndev);
unsigned int mii_address = priv->hw->mii.addr;
+ struct stmmac_mdio_bus_data *data = priv->plat->mdio_bus_data;
+
+#ifdef CONFIG_OF
+ if (priv->device->of_node) {
+ int reset_gpio, active_low;
+
+ if (data->reset_gpio < 0) {
+ struct device_node *np = priv->device->of_node;
+ if (!np)
+ return 0;
+
+ data->reset_gpio = of_get_named_gpio(np,
+ "snps,reset-gpio", 0);
+ if (data->reset_gpio < 0)
+ return 0;
+
+ data->active_low = of_property_read_bool(np,
+ "snps,reset-active-low");
+ of_property_read_u32_array(np,
+ "snps,reset-delays-us", data->delays, 3);
+ }
+
+ reset_gpio = data->reset_gpio;
+ active_low = data->active_low;
+
+ if (!gpio_request(reset_gpio, "mdio-reset")) {
+ gpio_direction_output(reset_gpio, active_low ? 1 : 0);
+ udelay(data->delays[0]);
+ gpio_set_value(reset_gpio, active_low ? 0 : 1);
+ udelay(data->delays[1]);
+ gpio_set_value(reset_gpio, active_low ? 1 : 0);
+ udelay(data->delays[2]);
+ gpio_free(reset_gpio);
+ }
+ }
+#endif
- if (priv->plat->mdio_bus_data->phy_reset) {
+ if (data->phy_reset) {
pr_debug("stmmac_mdio_reset: calling phy_reset\n");
- priv->plat->mdio_bus_data->phy_reset(priv->plat->bsp_priv);
+ data->phy_reset(priv->plat->bsp_priv);
}
/* This is a workaround for problems with the STE101P PHY.
@@ -172,6 +211,11 @@ int stmmac_mdio_register(struct net_device *ndev)
else
irqlist = priv->mii_irq;
+#ifdef CONFIG_OF
+ if (priv->device->of_node)
+ mdio_bus_data->reset_gpio = -1;
+#endif
+
new_bus->name = "stmmac";
new_bus->read = &stmmac_mdio_read;
new_bus->write = &stmmac_mdio_write;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index 1d3780f55ba2..03de76c7a177 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -34,12 +34,20 @@ static int stmmac_probe_config_dt(struct platform_device *pdev,
const char **mac)
{
struct device_node *np = pdev->dev.of_node;
+ struct stmmac_dma_cfg *dma_cfg;
if (!np)
return -ENODEV;
*mac = of_get_mac_address(np);
plat->interface = of_get_phy_mode(np);
+
+ plat->bus_id = of_alias_get_id(np, "ethernet");
+ if (plat->bus_id < 0)
+ plat->bus_id = 0;
+
+ of_property_read_u32(np, "snps,phy-addr", &plat->phy_addr);
+
plat->mdio_bus_data = devm_kzalloc(&pdev->dev,
sizeof(struct stmmac_mdio_bus_data),
GFP_KERNEL);
@@ -56,6 +64,22 @@ static int stmmac_probe_config_dt(struct platform_device *pdev,
plat->pmt = 1;
}
+ if (of_device_is_compatible(np, "snps,dwmac-3.610") ||
+ of_device_is_compatible(np, "snps,dwmac-3.710")) {
+ plat->enh_desc = 1;
+ plat->bugged_jumbo = 1;
+ plat->force_sf_dma_mode = 1;
+ }
+
+ dma_cfg = devm_kzalloc(&pdev->dev, sizeof(*dma_cfg), GFP_KERNEL);
+ if (!dma_cfg)
+ return -ENOMEM;
+
+ plat->dma_cfg = dma_cfg;
+ of_property_read_u32(np, "snps,pbl", &dma_cfg->pbl);
+ dma_cfg->fixed_burst = of_property_read_bool(np, "snps,fixed-burst");
+ dma_cfg->mixed_burst = of_property_read_bool(np, "snps,mixed-burst");
+
return 0;
}
#else
@@ -92,8 +116,10 @@ static int stmmac_pltfr_probe(struct platform_device *pdev)
if (IS_ERR(addr))
return PTR_ERR(addr);
+ plat_dat = pdev->dev.platform_data;
if (pdev->dev.of_node) {
- plat_dat = devm_kzalloc(&pdev->dev,
+ if (!plat_dat)
+ plat_dat = devm_kzalloc(&pdev->dev,
sizeof(struct plat_stmmacenet_data),
GFP_KERNEL);
if (!plat_dat) {
@@ -106,8 +132,6 @@ static int stmmac_pltfr_probe(struct platform_device *pdev)
pr_err("%s: main dt probe failed", __func__);
return ret;
}
- } else {
- plat_dat = pdev->dev.platform_data;
}
/* Custom initialisation (if needed)*/
@@ -171,8 +195,6 @@ static int stmmac_pltfr_remove(struct platform_device *pdev)
if (priv->plat->exit)
priv->plat->exit(pdev);
- platform_set_drvdata(pdev, NULL);
-
return ret;
}
@@ -230,7 +252,9 @@ static const struct dev_pm_ops stmmac_pltfr_pm_ops;
static const struct of_device_id stmmac_dt_ids[] = {
{ .compatible = "st,spear600-gmac"},
+ { .compatible = "snps,dwmac-3.610"},
{ .compatible = "snps,dwmac-3.70a"},
+ { .compatible = "snps,dwmac-3.710"},
{ .compatible = "snps,dwmac"},
{ /* sentinel */ }
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 05:03:30 +0100