/*
- * Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
- *
- * ########################################################################
+ * Copyright (C) 2000, 2005 MIPS Technologies, Inc. All rights reserved.
+ * Authors: Carsten Langgaard <carstenl@mips.com>
+ * Maciej W. Rozycki <macro@mips.com>
+ * Copyright (C) 2004 Ralf Baechle <ralf@linux-mips.org>
*
* This program is free software; you can distribute it and/or modify it
* under the terms of the GNU General Public License (Version 2) as
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
- * ########################################################################
- *
* SAA9730 ethernet driver.
*
* Changes:
- * Angelo Dell'Aera <buffer@antifork.org> : Conversion to the new PCI API (pci_driver).
- * Conversion to spinlocks.
- * Error handling fixes.
- *
+ * Angelo Dell'Aera <buffer@antifork.org> : Conversion to the new PCI API
+ * (pci_driver).
+ * Conversion to spinlocks.
+ * Error handling fixes.
*/
#include <linux/init.h>
#include <linux/skbuff.h>
#include <linux/pci.h>
#include <linux/spinlock.h>
+#include <linux/types.h>
#include <asm/addrspace.h>
+#include <asm/io.h>
+
#include <asm/mips-boards/prom.h>
#include "saa9730.h"
#define DRV_MODULE_NAME "saa9730"
static struct pci_device_id saa9730_pci_tbl[] = {
- { PCI_VENDOR_ID_PHILIPS, PCI_DEVICE_ID_PHILIPS_SAA9370,
+ { PCI_VENDOR_ID_PHILIPS, PCI_DEVICE_ID_PHILIPS_SAA9730,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
{ 0, }
};
/* Non-zero only if the current card is a PCI with BIOS-set IRQ. */
static unsigned int pci_irq_line;
-#define INL(a) inl((unsigned long)a)
-#define OUTL(x,a) outl(x,(unsigned long)a)
-
static void evm_saa9730_enable_lan_int(struct lan_saa9730_private *lp)
{
- OUTL(INL(&lp->evm_saa9730_regs->InterruptBlock1) | EVM_LAN_INT,
+ outl(readl(&lp->evm_saa9730_regs->InterruptBlock1) | EVM_LAN_INT,
&lp->evm_saa9730_regs->InterruptBlock1);
- OUTL(INL(&lp->evm_saa9730_regs->InterruptStatus1) | EVM_LAN_INT,
+ outl(readl(&lp->evm_saa9730_regs->InterruptStatus1) | EVM_LAN_INT,
&lp->evm_saa9730_regs->InterruptStatus1);
- OUTL(INL(&lp->evm_saa9730_regs->InterruptEnable1) | EVM_LAN_INT |
+ outl(readl(&lp->evm_saa9730_regs->InterruptEnable1) | EVM_LAN_INT |
EVM_MASTER_EN, &lp->evm_saa9730_regs->InterruptEnable1);
}
+
static void evm_saa9730_disable_lan_int(struct lan_saa9730_private *lp)
{
- OUTL(INL(&lp->evm_saa9730_regs->InterruptBlock1) & ~EVM_LAN_INT,
+ outl(readl(&lp->evm_saa9730_regs->InterruptBlock1) & ~EVM_LAN_INT,
&lp->evm_saa9730_regs->InterruptBlock1);
- OUTL(INL(&lp->evm_saa9730_regs->InterruptEnable1) & ~EVM_LAN_INT,
+ outl(readl(&lp->evm_saa9730_regs->InterruptEnable1) & ~EVM_LAN_INT,
&lp->evm_saa9730_regs->InterruptEnable1);
}
static void evm_saa9730_clear_lan_int(struct lan_saa9730_private *lp)
{
- OUTL(EVM_LAN_INT, &lp->evm_saa9730_regs->InterruptStatus1);
+ outl(EVM_LAN_INT, &lp->evm_saa9730_regs->InterruptStatus1);
}
static void evm_saa9730_block_lan_int(struct lan_saa9730_private *lp)
{
- OUTL(INL(&lp->evm_saa9730_regs->InterruptBlock1) & ~EVM_LAN_INT,
+ outl(readl(&lp->evm_saa9730_regs->InterruptBlock1) & ~EVM_LAN_INT,
&lp->evm_saa9730_regs->InterruptBlock1);
}
static void evm_saa9730_unblock_lan_int(struct lan_saa9730_private *lp)
{
- OUTL(INL(&lp->evm_saa9730_regs->InterruptBlock1) | EVM_LAN_INT,
+ outl(readl(&lp->evm_saa9730_regs->InterruptBlock1) | EVM_LAN_INT,
&lp->evm_saa9730_regs->InterruptBlock1);
}
-static void show_saa9730_regs(struct lan_saa9730_private *lp)
+static void __attribute_used__ show_saa9730_regs(struct lan_saa9730_private *lp)
{
int i, j;
- printk("TxmBufferA = %x\n", lp->TxmBuffer[0][0]);
- printk("TxmBufferB = %x\n", lp->TxmBuffer[1][0]);
- printk("RcvBufferA = %x\n", lp->RcvBuffer[0][0]);
- printk("RcvBufferB = %x\n", lp->RcvBuffer[1][0]);
+ printk("TxmBufferA = %p\n", lp->TxmBuffer[0][0]);
+ printk("TxmBufferB = %p\n", lp->TxmBuffer[1][0]);
+ printk("RcvBufferA = %p\n", lp->RcvBuffer[0][0]);
+ printk("RcvBufferB = %p\n", lp->RcvBuffer[1][0]);
for (i = 0; i < LAN_SAA9730_BUFFERS; i++) {
for (j = 0; j < LAN_SAA9730_TXM_Q_SIZE; j++) {
printk("TxmBuffer[%d][%d] = %x\n", i, j,
}
}
printk("lp->evm_saa9730_regs->InterruptBlock1 = %x\n",
- INL(&lp->evm_saa9730_regs->InterruptBlock1));
+ readl(&lp->evm_saa9730_regs->InterruptBlock1));
printk("lp->evm_saa9730_regs->InterruptStatus1 = %x\n",
- INL(&lp->evm_saa9730_regs->InterruptStatus1));
+ readl(&lp->evm_saa9730_regs->InterruptStatus1));
printk("lp->evm_saa9730_regs->InterruptEnable1 = %x\n",
- INL(&lp->evm_saa9730_regs->InterruptEnable1));
+ readl(&lp->evm_saa9730_regs->InterruptEnable1));
printk("lp->lan_saa9730_regs->Ok2Use = %x\n",
- INL(&lp->lan_saa9730_regs->Ok2Use));
+ readl(&lp->lan_saa9730_regs->Ok2Use));
printk("lp->NextTxmBufferIndex = %x\n", lp->NextTxmBufferIndex);
printk("lp->NextTxmPacketIndex = %x\n", lp->NextTxmPacketIndex);
printk("lp->PendingTxmBufferIndex = %x\n",
printk("lp->PendingTxmPacketIndex = %x\n",
lp->PendingTxmPacketIndex);
printk("lp->lan_saa9730_regs->LanDmaCtl = %x\n",
- INL(&lp->lan_saa9730_regs->LanDmaCtl));
+ readl(&lp->lan_saa9730_regs->LanDmaCtl));
printk("lp->lan_saa9730_regs->DmaStatus = %x\n",
- INL(&lp->lan_saa9730_regs->DmaStatus));
+ readl(&lp->lan_saa9730_regs->DmaStatus));
printk("lp->lan_saa9730_regs->CamCtl = %x\n",
- INL(&lp->lan_saa9730_regs->CamCtl));
+ readl(&lp->lan_saa9730_regs->CamCtl));
printk("lp->lan_saa9730_regs->TxCtl = %x\n",
- INL(&lp->lan_saa9730_regs->TxCtl));
+ readl(&lp->lan_saa9730_regs->TxCtl));
printk("lp->lan_saa9730_regs->TxStatus = %x\n",
- INL(&lp->lan_saa9730_regs->TxStatus));
+ readl(&lp->lan_saa9730_regs->TxStatus));
printk("lp->lan_saa9730_regs->RxCtl = %x\n",
- INL(&lp->lan_saa9730_regs->RxCtl));
+ readl(&lp->lan_saa9730_regs->RxCtl));
printk("lp->lan_saa9730_regs->RxStatus = %x\n",
- INL(&lp->lan_saa9730_regs->RxStatus));
+ readl(&lp->lan_saa9730_regs->RxStatus));
for (i = 0; i < LAN_SAA9730_CAM_DWORDS; i++) {
- OUTL(i, &lp->lan_saa9730_regs->CamAddress);
+ outl(i, &lp->lan_saa9730_regs->CamAddress);
printk("lp->lan_saa9730_regs->CamData = %x\n",
- INL(&lp->lan_saa9730_regs->CamData));
+ readl(&lp->lan_saa9730_regs->CamData));
}
printk("lp->stats.tx_packets = %lx\n", lp->stats.tx_packets);
printk("lp->stats.tx_errors = %lx\n", lp->stats.tx_errors);
lp->stats.rx_length_errors);
printk("lp->lan_saa9730_regs->DebugPCIMasterAddr = %x\n",
- INL(&lp->lan_saa9730_regs->DebugPCIMasterAddr));
+ readl(&lp->lan_saa9730_regs->DebugPCIMasterAddr));
printk("lp->lan_saa9730_regs->DebugLanTxStateMachine = %x\n",
- INL(&lp->lan_saa9730_regs->DebugLanTxStateMachine));
+ readl(&lp->lan_saa9730_regs->DebugLanTxStateMachine));
printk("lp->lan_saa9730_regs->DebugLanRxStateMachine = %x\n",
- INL(&lp->lan_saa9730_regs->DebugLanRxStateMachine));
+ readl(&lp->lan_saa9730_regs->DebugLanRxStateMachine));
printk("lp->lan_saa9730_regs->DebugLanTxFifoPointers = %x\n",
- INL(&lp->lan_saa9730_regs->DebugLanTxFifoPointers));
+ readl(&lp->lan_saa9730_regs->DebugLanTxFifoPointers));
printk("lp->lan_saa9730_regs->DebugLanRxFifoPointers = %x\n",
- INL(&lp->lan_saa9730_regs->DebugLanRxFifoPointers));
+ readl(&lp->lan_saa9730_regs->DebugLanRxFifoPointers));
printk("lp->lan_saa9730_regs->DebugLanCtlStateMachine = %x\n",
- INL(&lp->lan_saa9730_regs->DebugLanCtlStateMachine));
+ readl(&lp->lan_saa9730_regs->DebugLanCtlStateMachine));
}
static void lan_saa9730_buffer_init(struct lan_saa9730_private *lp)
}
}
-static int lan_saa9730_allocate_buffers(struct lan_saa9730_private *lp)
+static void lan_saa9730_free_buffers(struct pci_dev *pdev,
+ struct lan_saa9730_private *lp)
+{
+ pci_free_consistent(pdev, lp->buffer_size, lp->buffer_start,
+ lp->dma_addr);
+}
+
+static int lan_saa9730_allocate_buffers(struct pci_dev *pdev,
+ struct lan_saa9730_private *lp)
{
- unsigned int mem_size;
void *Pa;
- unsigned int i, j, RcvBufferSize, TxmBufferSize;
- unsigned int buffer_start;
+ unsigned int i, j, rxoffset, txoffset;
+ int ret;
+
+ /* Initialize buffer space */
+ lp->DmaRcvPackets = LAN_SAA9730_RCV_Q_SIZE;
+ lp->DmaTxmPackets = LAN_SAA9730_TXM_Q_SIZE;
+
+ /* Initialize Rx Buffer Index */
+ lp->NextRcvPacketIndex = 0;
+ lp->NextRcvBufferIndex = 0;
+
+ /* Set current buffer index & next available packet index */
+ lp->NextTxmPacketIndex = 0;
+ lp->NextTxmBufferIndex = 0;
+ lp->PendingTxmPacketIndex = 0;
+ lp->PendingTxmBufferIndex = 0;
/*
* Allocate all RX and TX packets in one chunk.
* The Rx and Tx packets must be PACKET_SIZE aligned.
*/
- mem_size = ((LAN_SAA9730_RCV_Q_SIZE + LAN_SAA9730_TXM_Q_SIZE) *
- LAN_SAA9730_PACKET_SIZE * LAN_SAA9730_BUFFERS) +
- LAN_SAA9730_PACKET_SIZE;
- buffer_start =
- (unsigned int) kmalloc(mem_size, GFP_DMA | GFP_KERNEL);
-
- if (!buffer_start)
- return -ENOMEM;
+ lp->buffer_size = ((LAN_SAA9730_RCV_Q_SIZE + LAN_SAA9730_TXM_Q_SIZE) *
+ LAN_SAA9730_PACKET_SIZE * LAN_SAA9730_BUFFERS) +
+ LAN_SAA9730_PACKET_SIZE;
+ lp->buffer_start = pci_alloc_consistent(pdev, lp->buffer_size,
+ &lp->dma_addr);
+ if (!lp->buffer_start) {
+ ret = -ENOMEM;
+ goto out;
+ }
- /*
- * Set DMA buffer to kseg1 (uncached).
- * Make sure to flush before using it uncached.
- */
- Pa = (void *) KSEG1ADDR((buffer_start + LAN_SAA9730_PACKET_SIZE) &
- ~(LAN_SAA9730_PACKET_SIZE - 1));
- dma_cache_wback_inv((unsigned long) Pa, mem_size);
+ Pa = (void *)ALIGN((unsigned long)lp->buffer_start,
+ LAN_SAA9730_PACKET_SIZE);
- /* Initialize buffer space */
- RcvBufferSize = LAN_SAA9730_PACKET_SIZE;
- TxmBufferSize = LAN_SAA9730_PACKET_SIZE;
- lp->DmaRcvPackets = LAN_SAA9730_RCV_Q_SIZE;
- lp->DmaTxmPackets = LAN_SAA9730_TXM_Q_SIZE;
+ rxoffset = Pa - lp->buffer_start;
/* Init RX buffers */
for (i = 0; i < LAN_SAA9730_BUFFERS; i++) {
*(unsigned int *) Pa =
cpu_to_le32(RXSF_READY <<
RX_STAT_CTL_OWNER_SHF);
- lp->RcvBuffer[i][j] = (unsigned int) Pa;
- Pa += RcvBufferSize;
+ lp->RcvBuffer[i][j] = Pa;
+ Pa += LAN_SAA9730_PACKET_SIZE;
}
}
+ txoffset = Pa - lp->buffer_start;
+
/* Init TX buffers */
for (i = 0; i < LAN_SAA9730_BUFFERS; i++) {
for (j = 0; j < LAN_SAA9730_TXM_Q_SIZE; j++) {
*(unsigned int *) Pa =
cpu_to_le32(TXSF_EMPTY <<
TX_STAT_CTL_OWNER_SHF);
- lp->TxmBuffer[i][j] = (unsigned int) Pa;
- Pa += TxmBufferSize;
+ lp->TxmBuffer[i][j] = Pa;
+ Pa += LAN_SAA9730_PACKET_SIZE;
}
}
* Set rx buffer A and rx buffer B to point to the first two buffer
* spaces.
*/
- OUTL(PHYSADDR(lp->RcvBuffer[0][0]),
+ outl(lp->dma_addr + rxoffset,
&lp->lan_saa9730_regs->RxBuffA);
- OUTL(PHYSADDR(lp->RcvBuffer[1][0]),
+ outl(lp->dma_addr + rxoffset +
+ LAN_SAA9730_PACKET_SIZE * LAN_SAA9730_RCV_Q_SIZE,
&lp->lan_saa9730_regs->RxBuffB);
- /* Initialize Buffer Index */
- lp->NextRcvPacketIndex = 0;
- lp->NextRcvToUseIsA = 1;
-
- /* Set current buffer index & next availble packet index */
- lp->NextTxmPacketIndex = 0;
- lp->NextTxmBufferIndex = 0;
- lp->PendingTxmPacketIndex = 0;
- lp->PendingTxmBufferIndex = 0;
-
/*
* Set txm_buf_a and txm_buf_b to point to the first two buffer
* space
*/
- OUTL(PHYSADDR(lp->TxmBuffer[0][0]),
+ outl(lp->dma_addr + txoffset,
&lp->lan_saa9730_regs->TxBuffA);
- OUTL(PHYSADDR(lp->TxmBuffer[1][0]),
+ outl(lp->dma_addr + txoffset +
+ LAN_SAA9730_PACKET_SIZE * LAN_SAA9730_TXM_Q_SIZE,
&lp->lan_saa9730_regs->TxBuffB);
/* Set packet number */
- OUTL((lp->DmaRcvPackets << PK_COUNT_RX_A_SHF) |
+ outl((lp->DmaRcvPackets << PK_COUNT_RX_A_SHF) |
(lp->DmaRcvPackets << PK_COUNT_RX_B_SHF) |
(lp->DmaTxmPackets << PK_COUNT_TX_A_SHF) |
(lp->DmaTxmPackets << PK_COUNT_TX_B_SHF),
&lp->lan_saa9730_regs->PacketCount);
return 0;
+
+out:
+ return ret;
}
static int lan_saa9730_cam_load(struct lan_saa9730_private *lp)
for (i = 0; i < LAN_SAA9730_CAM_DWORDS; i++) {
/* First set address to where data is written */
- OUTL(i, &lp->lan_saa9730_regs->CamAddress);
- OUTL((NetworkAddress[0] << 24) | (NetworkAddress[1] << 16)
+ outl(i, &lp->lan_saa9730_regs->CamAddress);
+ outl((NetworkAddress[0] << 24) | (NetworkAddress[1] << 16)
| (NetworkAddress[2] << 8) | NetworkAddress[3],
&lp->lan_saa9730_regs->CamData);
NetworkAddress += 4;
static int lan_saa9730_cam_init(struct net_device *dev)
{
- struct lan_saa9730_private *lp =
- (struct lan_saa9730_private *) dev->priv;
+ struct lan_saa9730_private *lp = netdev_priv(dev);
unsigned int i;
/* Copy MAC-address into all entries. */
/* Check link status, spin here till station is not busy. */
i = 0;
- while (INL(&lp->lan_saa9730_regs->StationMgmtCtl) & MD_CA_BUSY) {
+ while (readl(&lp->lan_saa9730_regs->StationMgmtCtl) & MD_CA_BUSY) {
i++;
if (i > 100) {
printk("Error: lan_saa9730_mii_init: timeout\n");
}
/* Now set the control and address register. */
- OUTL(MD_CA_BUSY | PHY_STATUS | PHY_ADDRESS << MD_CA_PHY_SHF,
+ outl(MD_CA_BUSY | PHY_STATUS | PHY_ADDRESS << MD_CA_PHY_SHF,
&lp->lan_saa9730_regs->StationMgmtCtl);
/* check link status, spin here till station is not busy */
i = 0;
- while (INL(&lp->lan_saa9730_regs->StationMgmtCtl) & MD_CA_BUSY) {
+ while (readl(&lp->lan_saa9730_regs->StationMgmtCtl) & MD_CA_BUSY) {
i++;
if (i > 100) {
printk("Error: lan_saa9730_mii_init: timeout\n");
mdelay(1);
/* Check the link status. */
- if (INL(&lp->lan_saa9730_regs->StationMgmtData) &
+ if (readl(&lp->lan_saa9730_regs->StationMgmtData) &
PHY_STATUS_LINK_UP) {
/* Link is up. */
return 0;
/* Link is down, reset the PHY first. */
/* set PHY address = 'CONTROL' */
- OUTL(PHY_ADDRESS << MD_CA_PHY_SHF | MD_CA_WR | PHY_CONTROL,
+ outl(PHY_ADDRESS << MD_CA_PHY_SHF | MD_CA_WR | PHY_CONTROL,
&lp->lan_saa9730_regs->StationMgmtCtl);
/* Wait for 1 ms. */
mdelay(1);
/* set 'CONTROL' = force reset and renegotiate */
- OUTL(PHY_CONTROL_RESET | PHY_CONTROL_AUTO_NEG |
+ outl(PHY_CONTROL_RESET | PHY_CONTROL_AUTO_NEG |
PHY_CONTROL_RESTART_AUTO_NEG,
&lp->lan_saa9730_regs->StationMgmtData);
mdelay(50);
/* set 'BUSY' to start operation */
- OUTL(MD_CA_BUSY | PHY_ADDRESS << MD_CA_PHY_SHF | MD_CA_WR |
+ outl(MD_CA_BUSY | PHY_ADDRESS << MD_CA_PHY_SHF | MD_CA_WR |
PHY_CONTROL, &lp->lan_saa9730_regs->StationMgmtCtl);
/* await completion */
i = 0;
- while (INL(&lp->lan_saa9730_regs->StationMgmtCtl) &
+ while (readl(&lp->lan_saa9730_regs->StationMgmtCtl) &
MD_CA_BUSY) {
i++;
if (i > 100) {
for (l = 0; l < 2; l++) {
/* set PHY address = 'STATUS' */
- OUTL(MD_CA_BUSY | PHY_ADDRESS << MD_CA_PHY_SHF |
+ outl(MD_CA_BUSY | PHY_ADDRESS << MD_CA_PHY_SHF |
PHY_STATUS,
&lp->lan_saa9730_regs->StationMgmtCtl);
/* await completion */
i = 0;
- while (INL(&lp->lan_saa9730_regs->StationMgmtCtl) &
+ while (readl(&lp->lan_saa9730_regs->StationMgmtCtl) &
MD_CA_BUSY) {
i++;
if (i > 100) {
mdelay(3000);
/* check the link status */
- if (INL(&lp->lan_saa9730_regs->StationMgmtData) &
+ if (readl(&lp->lan_saa9730_regs->StationMgmtData) &
PHY_STATUS_LINK_UP) {
/* link is up */
break;
static int lan_saa9730_control_init(struct lan_saa9730_private *lp)
{
/* Initialize DMA control register. */
- OUTL((LANMB_ANY << DMA_CTL_MAX_XFER_SHF) |
+ outl((LANMB_ANY << DMA_CTL_MAX_XFER_SHF) |
(LANEND_LITTLE << DMA_CTL_ENDIAN_SHF) |
(LAN_SAA9730_RCV_Q_INT_THRESHOLD << DMA_CTL_RX_INT_COUNT_SHF)
| DMA_CTL_RX_INT_TO_EN | DMA_CTL_RX_INT_EN |
&lp->lan_saa9730_regs->LanDmaCtl);
/* Initial MAC control register. */
- OUTL((MACCM_MII << MAC_CONTROL_CONN_SHF) | MAC_CONTROL_FULL_DUP,
+ outl((MACCM_MII << MAC_CONTROL_CONN_SHF) | MAC_CONTROL_FULL_DUP,
&lp->lan_saa9730_regs->MacCtl);
/* Initialize CAM control register. */
- OUTL(CAM_CONTROL_COMP_EN | CAM_CONTROL_BROAD_ACC,
+ outl(CAM_CONTROL_COMP_EN | CAM_CONTROL_BROAD_ACC,
&lp->lan_saa9730_regs->CamCtl);
/*
* Initialize CAM enable register, only turn on first entry, should
* contain own addr.
*/
- OUTL(0x0001, &lp->lan_saa9730_regs->CamEnable);
+ outl(0x0001, &lp->lan_saa9730_regs->CamEnable);
/* Initialize Tx control register */
- OUTL(TX_CTL_EN_COMP, &lp->lan_saa9730_regs->TxCtl);
+ outl(TX_CTL_EN_COMP, &lp->lan_saa9730_regs->TxCtl);
/* Initialize Rcv control register */
- OUTL(RX_CTL_STRIP_CRC, &lp->lan_saa9730_regs->RxCtl);
+ outl(RX_CTL_STRIP_CRC, &lp->lan_saa9730_regs->RxCtl);
/* Reset DMA engine */
- OUTL(DMA_TEST_SW_RESET, &lp->lan_saa9730_regs->DmaTest);
+ outl(DMA_TEST_SW_RESET, &lp->lan_saa9730_regs->DmaTest);
return 0;
}
int i;
/* Stop DMA first */
- OUTL(INL(&lp->lan_saa9730_regs->LanDmaCtl) &
+ outl(readl(&lp->lan_saa9730_regs->LanDmaCtl) &
~(DMA_CTL_EN_TX_DMA | DMA_CTL_EN_RX_DMA),
&lp->lan_saa9730_regs->LanDmaCtl);
/* Set the SW Reset bits in DMA and MAC control registers */
- OUTL(DMA_TEST_SW_RESET, &lp->lan_saa9730_regs->DmaTest);
- OUTL(INL(&lp->lan_saa9730_regs->MacCtl) | MAC_CONTROL_RESET,
+ outl(DMA_TEST_SW_RESET, &lp->lan_saa9730_regs->DmaTest);
+ outl(readl(&lp->lan_saa9730_regs->MacCtl) | MAC_CONTROL_RESET,
&lp->lan_saa9730_regs->MacCtl);
/*
* when the reset is done.
*/
i = 0;
- while (INL(&lp->lan_saa9730_regs->MacCtl) & MAC_CONTROL_RESET) {
+ while (readl(&lp->lan_saa9730_regs->MacCtl) & MAC_CONTROL_RESET) {
i++;
if (i > 100) {
printk
/* Stop lan controller. */
lan_saa9730_stop(lp);
- OUTL(LAN_SAA9730_DEFAULT_TIME_OUT_CNT,
+ outl(LAN_SAA9730_DEFAULT_TIME_OUT_CNT,
&lp->lan_saa9730_regs->Timeout);
return 0;
/* Initialize Rx Buffer Index */
lp->NextRcvPacketIndex = 0;
- lp->NextRcvToUseIsA = 1;
+ lp->NextRcvBufferIndex = 0;
- /* Set current buffer index & next availble packet index */
+ /* Set current buffer index & next available packet index */
lp->NextTxmPacketIndex = 0;
lp->NextTxmBufferIndex = 0;
lp->PendingTxmPacketIndex = 0;
lp->PendingTxmBufferIndex = 0;
- OUTL(INL(&lp->lan_saa9730_regs->LanDmaCtl) | DMA_CTL_EN_TX_DMA |
+ outl(readl(&lp->lan_saa9730_regs->LanDmaCtl) | DMA_CTL_EN_TX_DMA |
DMA_CTL_EN_RX_DMA, &lp->lan_saa9730_regs->LanDmaCtl);
/* For Tx, turn on MAC then DMA */
- OUTL(INL(&lp->lan_saa9730_regs->TxCtl) | TX_CTL_TX_EN,
+ outl(readl(&lp->lan_saa9730_regs->TxCtl) | TX_CTL_TX_EN,
&lp->lan_saa9730_regs->TxCtl);
/* For Rx, turn on DMA then MAC */
- OUTL(INL(&lp->lan_saa9730_regs->RxCtl) | RX_CTL_RX_EN,
+ outl(readl(&lp->lan_saa9730_regs->RxCtl) | RX_CTL_RX_EN,
&lp->lan_saa9730_regs->RxCtl);
- /* Set Ok2Use to let hardware owns the buffers */
- OUTL(OK2USE_RX_A | OK2USE_RX_B | OK2USE_TX_A | OK2USE_TX_B,
- &lp->lan_saa9730_regs->Ok2Use);
+ /* Set Ok2Use to let hardware own the buffers. */
+ outl(OK2USE_RX_A | OK2USE_RX_B, &lp->lan_saa9730_regs->Ok2Use);
return 0;
}
static int lan_saa9730_tx(struct net_device *dev)
{
- struct lan_saa9730_private *lp =
- (struct lan_saa9730_private *) dev->priv;
+ struct lan_saa9730_private *lp = netdev_priv(dev);
unsigned int *pPacket;
unsigned int tx_status;
printk("lan_saa9730_tx interrupt\n");
/* Clear interrupt. */
- OUTL(DMA_STATUS_MAC_TX_INT, &lp->lan_saa9730_regs->DmaStatus);
+ outl(DMA_STATUS_MAC_TX_INT, &lp->lan_saa9730_regs->DmaStatus);
while (1) {
- pPacket =
- (unsigned int *) lp->TxmBuffer[lp->
- PendingTxmBufferIndex]
- [lp->PendingTxmPacketIndex];
+ pPacket = lp->TxmBuffer[lp->PendingTxmBufferIndex]
+ [lp->PendingTxmPacketIndex];
/* Get status of first packet transmitted. */
tx_status = le32_to_cpu(*pPacket);
lp->stats.tx_errors++;
if (tx_status &
(TX_STATUS_EX_COLL << TX_STAT_CTL_STATUS_SHF))
- lp->stats.tx_aborted_errors++;
+ lp->stats.tx_aborted_errors++;
if (tx_status &
- (TX_STATUS_LATE_COLL <<
- TX_STAT_CTL_STATUS_SHF)) lp->stats.
- tx_window_errors++;
+ (TX_STATUS_LATE_COLL << TX_STAT_CTL_STATUS_SHF))
+ lp->stats.tx_window_errors++;
if (tx_status &
(TX_STATUS_L_CARR << TX_STAT_CTL_STATUS_SHF))
- lp->stats.tx_carrier_errors++;
+ lp->stats.tx_carrier_errors++;
if (tx_status &
(TX_STATUS_UNDER << TX_STAT_CTL_STATUS_SHF))
- lp->stats.tx_fifo_errors++;
+ lp->stats.tx_fifo_errors++;
if (tx_status &
(TX_STATUS_SQ_ERR << TX_STAT_CTL_STATUS_SHF))
- lp->stats.tx_heartbeat_errors++;
+ lp->stats.tx_heartbeat_errors++;
lp->stats.collisions +=
- tx_status & TX_STATUS_TX_COLL_MSK;
+ tx_status & TX_STATUS_TX_COLL_MSK;
}
/* Free buffer. */
}
}
- /* Make sure A and B are available to hardware. */
- OUTL(OK2USE_TX_A | OK2USE_TX_B, &lp->lan_saa9730_regs->Ok2Use);
-
- if (netif_queue_stopped(dev)) {
- /* The tx buffer is no longer full. */
- netif_wake_queue(dev);
- }
+ /* The tx buffer is no longer full. */
+ netif_wake_queue(dev);
return 0;
}
static int lan_saa9730_rx(struct net_device *dev)
{
- struct lan_saa9730_private *lp =
- (struct lan_saa9730_private *) dev->priv;
+ struct lan_saa9730_private *lp = netdev_priv(dev);
int len = 0;
struct sk_buff *skb = 0;
unsigned int rx_status;
printk("lan_saa9730_rx interrupt\n");
/* Clear receive interrupts. */
- OUTL(DMA_STATUS_MAC_RX_INT | DMA_STATUS_RX_INT |
+ outl(DMA_STATUS_MAC_RX_INT | DMA_STATUS_RX_INT |
DMA_STATUS_RX_TO_INT, &lp->lan_saa9730_regs->DmaStatus);
/* Address next packet */
- if (lp->NextRcvToUseIsA)
- BufferIndex = 0;
- else
- BufferIndex = 1;
+ BufferIndex = lp->NextRcvBufferIndex;
PacketIndex = lp->NextRcvPacketIndex;
- pPacket = (unsigned int *) lp->RcvBuffer[BufferIndex][PacketIndex];
+ pPacket = lp->RcvBuffer[BufferIndex][PacketIndex];
rx_status = le32_to_cpu(*pPacket);
/* Process each packet. */
lp->stats.rx_errors++;
if (rx_status &
(RX_STATUS_CRC_ERR << RX_STAT_CTL_STATUS_SHF))
- lp->stats.rx_crc_errors++;
+ lp->stats.rx_crc_errors++;
if (rx_status &
- (RX_STATUS_ALIGN_ERR <<
- RX_STAT_CTL_STATUS_SHF)) lp->stats.
- rx_frame_errors++;
+ (RX_STATUS_ALIGN_ERR << RX_STAT_CTL_STATUS_SHF))
+ lp->stats.rx_frame_errors++;
if (rx_status &
(RX_STATUS_OVERFLOW << RX_STAT_CTL_STATUS_SHF))
- lp->stats.rx_fifo_errors++;
+ lp->stats.rx_fifo_errors++;
if (rx_status &
(RX_STATUS_LONG_ERR << RX_STAT_CTL_STATUS_SHF))
- lp->stats.rx_length_errors++;
+ lp->stats.rx_length_errors++;
}
/* Indicate we have processed the buffer. */
- *pPacket =
- cpu_to_le32(RXSF_READY << RX_STAT_CTL_OWNER_SHF);
+ *pPacket = cpu_to_le32(RXSF_READY << RX_STAT_CTL_OWNER_SHF);
+
+ /* Make sure A or B is available to hardware as appropriate. */
+ outl(BufferIndex ? OK2USE_RX_B : OK2USE_RX_A,
+ &lp->lan_saa9730_regs->Ok2Use);
/* Go to next packet in sequence. */
lp->NextRcvPacketIndex++;
if (lp->NextRcvPacketIndex >= LAN_SAA9730_RCV_Q_SIZE) {
lp->NextRcvPacketIndex = 0;
- if (BufferIndex) {
- lp->NextRcvToUseIsA = 1;
- } else {
- lp->NextRcvToUseIsA = 0;
- }
+ lp->NextRcvBufferIndex ^= 1;
}
- OUTL(OK2USE_RX_A | OK2USE_RX_B,
- &lp->lan_saa9730_regs->Ok2Use);
/* Address next packet */
- if (lp->NextRcvToUseIsA)
- BufferIndex = 0;
- else
- BufferIndex = 1;
+ BufferIndex = lp->NextRcvBufferIndex;
PacketIndex = lp->NextRcvPacketIndex;
- pPacket =
- (unsigned int *) lp->
- RcvBuffer[BufferIndex][PacketIndex];
+ pPacket = lp->RcvBuffer[BufferIndex][PacketIndex];
rx_status = le32_to_cpu(*pPacket);
}
- /* Make sure A and B are available to hardware. */
- OUTL(OK2USE_RX_A | OK2USE_RX_B, &lp->lan_saa9730_regs->Ok2Use);
-
return 0;
}
struct pt_regs *regs)
{
struct net_device *dev = (struct net_device *) dev_id;
- struct lan_saa9730_private *lp =
- (struct lan_saa9730_private *) dev->priv;
+ struct lan_saa9730_private *lp = netdev_priv(dev);
if (lan_saa9730_debug > 5)
printk("lan_saa9730_interrupt\n");
evm_saa9730_clear_lan_int(lp);
/* Service pending transmit interrupts. */
- if (INL(&lp->lan_saa9730_regs->DmaStatus) & DMA_STATUS_MAC_TX_INT)
+ if (readl(&lp->lan_saa9730_regs->DmaStatus) & DMA_STATUS_MAC_TX_INT)
lan_saa9730_tx(dev);
/* Service pending receive interrupts. */
- if (INL(&lp->lan_saa9730_regs->DmaStatus) &
+ if (readl(&lp->lan_saa9730_regs->DmaStatus) &
(DMA_STATUS_MAC_RX_INT | DMA_STATUS_RX_INT |
DMA_STATUS_RX_TO_INT)) lan_saa9730_rx(dev);
return IRQ_HANDLED;
}
-static int lan_saa9730_open_fail(struct net_device *dev)
-{
- return -ENODEV;
-}
-
static int lan_saa9730_open(struct net_device *dev)
{
- struct lan_saa9730_private *lp =
- (struct lan_saa9730_private *) dev->priv;
+ struct lan_saa9730_private *lp = netdev_priv(dev);
/* Associate IRQ with lan_saa9730_interrupt */
if (request_irq(dev->irq, &lan_saa9730_interrupt, 0, "SAA9730 Eth",
int PacketIndex;
if (lan_saa9730_debug > 5)
- printk("lan_saa9730_write: skb=%08x\n",
- (unsigned int) skb);
+ printk("lan_saa9730_write: skb=%p\n", skb);
BufferIndex = lp->NextTxmBufferIndex;
PacketIndex = lp->NextTxmPacketIndex;
- tx_status =
- le32_to_cpu(*(unsigned int *) lp->
- TxmBuffer[BufferIndex][PacketIndex]);
+ tx_status = le32_to_cpu(*(unsigned int *)lp->TxmBuffer[BufferIndex]
+ [PacketIndex]);
if ((tx_status & TX_STAT_CTL_OWNER_MSK) !=
(TXSF_EMPTY << TX_STAT_CTL_OWNER_SHF)) {
if (lan_saa9730_debug > 4)
lp->NextTxmBufferIndex ^= 1;
}
- pbPacketData =
- (unsigned char *) lp->TxmBuffer[BufferIndex][PacketIndex];
+ pbPacketData = lp->TxmBuffer[BufferIndex][PacketIndex];
pbPacketData += 4;
/* copy the bits */
memcpy(pbPacketData, pbData, len);
/* Set transmit status for hardware */
- *(unsigned int *) lp->TxmBuffer[BufferIndex][PacketIndex] =
- cpu_to_le32((TXSF_READY << TX_STAT_CTL_OWNER_SHF) |
- (TX_STAT_CTL_INT_AFTER_TX << TX_STAT_CTL_FRAME_SHF)
- | (len << TX_STAT_CTL_LENGTH_SHF));
-
- /* Set hardware tx buffer. */
- OUTL(OK2USE_TX_A | OK2USE_TX_B, &lp->lan_saa9730_regs->Ok2Use);
+ *(unsigned int *)lp->TxmBuffer[BufferIndex][PacketIndex] =
+ cpu_to_le32((TXSF_READY << TX_STAT_CTL_OWNER_SHF) |
+ (TX_STAT_CTL_INT_AFTER_TX <<
+ TX_STAT_CTL_FRAME_SHF) |
+ (len << TX_STAT_CTL_LENGTH_SHF));
+
+ /* Make sure A or B is available to hardware as appropriate. */
+ outl(BufferIndex ? OK2USE_TX_B : OK2USE_TX_A,
+ &lp->lan_saa9730_regs->Ok2Use);
return 0;
}
static void lan_saa9730_tx_timeout(struct net_device *dev)
{
- struct lan_saa9730_private *lp =
- (struct lan_saa9730_private *) dev->priv;
+ struct lan_saa9730_private *lp = netdev_priv(dev);
/* Transmitter timeout, serious problems */
lp->stats.tx_errors++;
lan_saa9730_restart(lp);
dev->trans_start = jiffies;
- netif_start_queue(dev);
+ netif_wake_queue(dev);
}
static int lan_saa9730_start_xmit(struct sk_buff *skb,
struct net_device *dev)
{
- struct lan_saa9730_private *lp =
- (struct lan_saa9730_private *) dev->priv;
+ struct lan_saa9730_private *lp = netdev_priv(dev);
unsigned long flags;
int skblen;
int len;
if (lan_saa9730_debug > 4)
- printk("Send packet: skb=%08x\n", (unsigned int) skb);
+ printk("Send packet: skb=%p\n", skb);
skblen = skb->len;
if (lan_saa9730_write(lp, skb, skblen)) {
spin_unlock_irqrestore(&lp->lock, flags);
- printk("Error when writing packet to controller: skb=%08x\n",
- (unsigned int) skb);
+ printk("Error when writing packet to controller: skb=%p\n", skb);
netif_stop_queue(dev);
return -1;
}
lp->stats.tx_packets++;
dev->trans_start = jiffies;
- netif_start_queue(dev);
+ netif_wake_queue(dev);
dev_kfree_skb(skb);
spin_unlock_irqrestore(&lp->lock, flags);
static int lan_saa9730_close(struct net_device *dev)
{
- struct lan_saa9730_private *lp =
- (struct lan_saa9730_private *) dev->priv;
+ struct lan_saa9730_private *lp = netdev_priv(dev);
if (lan_saa9730_debug > 1)
printk("lan_saa9730_close:\n");
static struct net_device_stats *lan_saa9730_get_stats(struct net_device
*dev)
{
- struct lan_saa9730_private *lp =
- (struct lan_saa9730_private *) dev->priv;
+ struct lan_saa9730_private *lp = netdev_priv(dev);
return &lp->stats;
}
static void lan_saa9730_set_multicast(struct net_device *dev)
{
- struct lan_saa9730_private *lp =
- (struct lan_saa9730_private *) dev->priv;
+ struct lan_saa9730_private *lp = netdev_priv(dev);
/* Stop the controller */
lan_saa9730_stop(lp);
if (dev->flags & IFF_PROMISC) {
/* accept all packets */
- OUTL(CAM_CONTROL_COMP_EN | CAM_CONTROL_STATION_ACC |
+ outl(CAM_CONTROL_COMP_EN | CAM_CONTROL_STATION_ACC |
CAM_CONTROL_GROUP_ACC | CAM_CONTROL_BROAD_ACC,
&lp->lan_saa9730_regs->CamCtl);
} else {
if (dev->flags & IFF_ALLMULTI) {
/* accept all multicast packets */
- OUTL(CAM_CONTROL_COMP_EN | CAM_CONTROL_GROUP_ACC |
+ outl(CAM_CONTROL_COMP_EN | CAM_CONTROL_GROUP_ACC |
CAM_CONTROL_BROAD_ACC,
&lp->lan_saa9730_regs->CamCtl);
} else {
static void __devexit saa9730_remove_one(struct pci_dev *pdev)
{
struct net_device *dev = pci_get_drvdata(pdev);
+ struct lan_saa9730_private *lp = netdev_priv(dev);
if (dev) {
unregister_netdev(dev);
- kfree(dev->priv);
+ lan_saa9730_free_buffers(pdev, lp);
+ iounmap(lp->lan_saa9730_regs);
+ iounmap(lp->evm_saa9730_regs);
free_netdev(dev);
pci_release_regions(pdev);
pci_disable_device(pdev);
}
-static int lan_saa9730_init(struct net_device *dev, int ioaddr, int irq)
+static int lan_saa9730_init(struct net_device *dev, struct pci_dev *pdev,
+ unsigned long ioaddr, int irq)
{
- struct lan_saa9730_private *lp;
+ struct lan_saa9730_private *lp = netdev_priv(dev);
unsigned char ethernet_addr[6];
- int ret = 0;
+ int ret;
- dev->open = lan_saa9730_open_fail;
-
- if (get_ethernet_addr(ethernet_addr))
- return -ENODEV;
+ if (get_ethernet_addr(ethernet_addr)) {
+ ret = -ENODEV;
+ goto out;
+ }
memcpy(dev->dev_addr, ethernet_addr, 6);
dev->base_addr = ioaddr;
dev->irq = irq;
- /*
- * Make certain the data structures used by the controller are aligned
- * and DMAble.
- */
- /*
- * XXX: that is obviously broken - kfree() won't be happy with us.
- */
- lp = (struct lan_saa9730_private *) (((unsigned long)
- kmalloc(sizeof(*lp) + 7,
- GFP_DMA | GFP_KERNEL)
- + 7) & ~7);
-
- if (!lp)
- return -ENOMEM;
-
- dev->priv = lp;
- memset(lp, 0, sizeof(*lp));
+ lp->pci_dev = pdev;
/* Set SAA9730 LAN base address. */
- lp->lan_saa9730_regs = (t_lan_saa9730_regmap *) (ioaddr +
- SAA9730_LAN_REGS_ADDR);
+ lp->lan_saa9730_regs = ioremap(ioaddr + SAA9730_LAN_REGS_ADDR,
+ SAA9730_LAN_REGS_SIZE);
+ if (!lp->lan_saa9730_regs) {
+ ret = -ENOMEM;
+ goto out;
+ }
/* Set SAA9730 EVM base address. */
- lp->evm_saa9730_regs = (t_evm_saa9730_regmap *) (ioaddr +
- SAA9730_EVM_REGS_ADDR);
+ lp->evm_saa9730_regs = ioremap(ioaddr + SAA9730_EVM_REGS_ADDR,
+ SAA9730_EVM_REGS_SIZE);
+ if (!lp->evm_saa9730_regs) {
+ ret = -ENOMEM;
+ goto out_iounmap_lan;
+ }
/* Allocate LAN RX/TX frame buffer space. */
- /* FIXME: a leak */
- if ((ret = lan_saa9730_allocate_buffers(lp)))
- goto out;
+ if ((ret = lan_saa9730_allocate_buffers(pdev, lp)))
+ goto out_iounmap;
/* Stop LAN controller. */
if ((ret = lan_saa9730_stop(lp)))
- goto out;
+ goto out_free_consistent;
/* Initialize CAM registers. */
if ((ret = lan_saa9730_cam_init(dev)))
- goto out;
+ goto out_free_consistent;
/* Initialize MII registers. */
if ((ret = lan_saa9730_mii_init(lp)))
- goto out;
+ goto out_free_consistent;
/* Initialize control registers. */
if ((ret = lan_saa9730_control_init(lp)))
- goto out;
+ goto out_free_consistent;
/* Load CAM registers. */
if ((ret = lan_saa9730_cam_load(lp)))
- goto out;
+ goto out_free_consistent;
/* Initialize DMA context registers. */
if ((ret = lan_saa9730_dma_init(lp)))
- goto out;
+ goto out_free_consistent;
spin_lock_init(&lp->lock);
dev->watchdog_timeo = (HZ >> 1);
dev->dma = 0;
- ret = register_netdev(dev);
+ ret = register_netdev (dev);
if (ret)
- goto out;
+ goto out_free_consistent;
+
return 0;
- out:
- kfree(dev->priv);
+out_free_consistent:
+ lan_saa9730_free_buffers(pdev, lp);
+out_iounmap:
+ iounmap(lp->evm_saa9730_regs);
+out_iounmap_lan:
+ iounmap(lp->lan_saa9730_regs);
+out:
return ret;
}
static int __devinit saa9730_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
- struct net_device *dev;
- unsigned int pci_ioaddr;
+ struct net_device *dev = NULL;
+ unsigned long pci_ioaddr;
int err;
if (lan_saa9730_debug > 1)
printk("saa9730.c: PCI bios is present, checking for devices...\n");
- err = -ENOMEM;
- dev = alloc_etherdev(0);
- if (!dev)
- goto out;
-
- SET_MODULE_OWNER(dev);
-
err = pci_enable_device(pdev);
if (err) {
printk(KERN_ERR "Cannot enable PCI device, aborting.\n");
- goto out1;
+ goto out;
}
err = pci_request_regions(pdev, DRV_MODULE_NAME);
if (err) {
printk(KERN_ERR "Cannot obtain PCI resources, aborting.\n");
- goto out2;
+ goto out_disable_pdev;
}
pci_irq_line = pdev->irq;
pci_ioaddr = pci_resource_start(pdev, 1);
pci_set_master(pdev);
- printk("Found SAA9730 (PCI) at %#x, irq %d.\n",
+ printk("Found SAA9730 (PCI) at %lx, irq %d.\n",
pci_ioaddr, pci_irq_line);
- err = lan_saa9730_init(dev, pci_ioaddr, pci_irq_line);
+ dev = alloc_etherdev(sizeof(struct lan_saa9730_private));
+ if (!dev)
+ goto out_disable_pdev;
+
+ err = lan_saa9730_init(dev, pdev, pci_ioaddr, pci_irq_line);
if (err) {
- printk("Lan init failed");
- goto out2;
+ printk("LAN init failed");
+ goto out_free_netdev;
}
pci_set_drvdata(pdev, dev);
SET_NETDEV_DEV(dev, &pdev->dev);
return 0;
-out2:
- pci_disable_device(pdev);
-out1:
+out_free_netdev:
free_netdev(dev);
+out_disable_pdev:
+ pci_disable_device(pdev);
out:
+ pci_set_drvdata(pdev, NULL);
return err;
}
module_init(saa9730_init);
module_exit(saa9730_cleanup);
-
-
+MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>");
+MODULE_DESCRIPTION("Philips SAA9730 ethernet driver");
MODULE_LICENSE("GPL");
projects / openwrt / staging / blogic.git / commitdiff