diff options
Diffstat (limited to 'drivers/rtl8169.c')
| -rw-r--r-- | drivers/rtl8169.c | 888 |
1 files changed, 0 insertions, 888 deletions
diff --git a/drivers/rtl8169.c b/drivers/rtl8169.c deleted file mode 100644 index 63ea2cc..0000000 --- a/drivers/rtl8169.c +++ /dev/null @@ -1,888 +0,0 @@ -/* - * rtl8169.c : U-Boot driver for the RealTek RTL8169 - * - * Masami Komiya (mkomiya@sonare.it) - * - * Most part is taken from r8169.c of etherboot - * - */ - -/************************************************************************** -* r8169.c: Etherboot device driver for the RealTek RTL-8169 Gigabit -* Written 2003 by Timothy Legge <tlegge@rogers.com> -* -* This program is free software; you can redistribute it and/or modify -* it under the terms of the GNU General Public License as published by -* the Free Software Foundation; either version 2 of the License, or -* (at your option) any later version. -* -* This program is distributed in the hope that it will be useful, -* but WITHOUT ANY WARRANTY; without even the implied warranty of -* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -* GNU General Public License for more details. -* -* You should have received a copy of the GNU General Public License -* along with this program; if not, write to the Free Software -* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -* -* Portions of this code based on: -* r8169.c: A RealTek RTL-8169 Gigabit Ethernet driver -* for Linux kernel 2.4.x. -* -* Written 2002 ShuChen <shuchen@realtek.com.tw> -* See Linux Driver for full information -* -* Linux Driver Version 1.27a, 10.02.2002 -* -* Thanks to: -* Jean Chen of RealTek Semiconductor Corp. for -* providing the evaluation NIC used to develop -* this driver. RealTek's support for Etherboot -* is appreciated. -* -* REVISION HISTORY: -* ================ -* -* v1.0 11-26-2003 timlegge Initial port of Linux driver -* v1.5 01-17-2004 timlegge Initial driver output cleanup -* -* Indent Options: indent -kr -i8 -***************************************************************************/ - -#include <common.h> -#include <malloc.h> -#include <net.h> -#include <asm/io.h> -#include <pci.h> - -#if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI) && \ - defined(CONFIG_RTL8169) - -#undef DEBUG_RTL8169 -#undef DEBUG_RTL8169_TX -#undef DEBUG_RTL8169_RX - -#define drv_version "v1.5" -#define drv_date "01-17-2004" - -static u32 ioaddr; - -/* Condensed operations for readability. */ -#define virt_to_le32desc(addr) cpu_to_le32(virt_to_bus(addr)) -#define le32desc_to_virt(addr) bus_to_virt(le32_to_cpu(addr)) - -#define currticks() get_timer(0) -#define bus_to_phys(a) pci_mem_to_phys((pci_dev_t)dev->priv, a) -#define phys_to_bus(a) pci_phys_to_mem((pci_dev_t)dev->priv, a) - -/* media options */ -#define MAX_UNITS 8 -static int media[MAX_UNITS] = { -1, -1, -1, -1, -1, -1, -1, -1 }; - -/* MAC address length*/ -#define MAC_ADDR_LEN 6 - -/* max supported gigabit ethernet frame size -- must be at least (dev->mtu+14+4).*/ -#define MAX_ETH_FRAME_SIZE 1536 - -#define TX_FIFO_THRESH 256 /* In bytes */ - -#define RX_FIFO_THRESH 7 /* 7 means NO threshold, Rx buffer level before first PCI xfer. */ -#define RX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */ -#define TX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */ -#define EarlyTxThld 0x3F /* 0x3F means NO early transmit */ -#define RxPacketMaxSize 0x0800 /* Maximum size supported is 16K-1 */ -#define InterFrameGap 0x03 /* 3 means InterFrameGap = the shortest one */ - -#define NUM_TX_DESC 1 /* Number of Tx descriptor registers */ -#define NUM_RX_DESC 4 /* Number of Rx descriptor registers */ -#define RX_BUF_SIZE 1536 /* Rx Buffer size */ -#define RX_BUF_LEN 8192 - -#define RTL_MIN_IO_SIZE 0x80 -#define TX_TIMEOUT (6*HZ) - -/* write/read MMIO register */ -#define RTL_W8(reg, val8) writeb ((val8), ioaddr + (reg)) -#define RTL_W16(reg, val16) writew ((val16), ioaddr + (reg)) -#define RTL_W32(reg, val32) writel ((val32), ioaddr + (reg)) -#define RTL_R8(reg) readb (ioaddr + (reg)) -#define RTL_R16(reg) readw (ioaddr + (reg)) -#define RTL_R32(reg) ((unsigned long) readl (ioaddr + (reg))) - -#define ETH_FRAME_LEN MAX_ETH_FRAME_SIZE -#define ETH_ALEN MAC_ADDR_LEN -#define ETH_ZLEN 60 - -enum RTL8169_registers { - MAC0 = 0, /* Ethernet hardware address. */ - MAR0 = 8, /* Multicast filter. */ - TxDescStartAddr = 0x20, - TxHDescStartAddr = 0x28, - FLASH = 0x30, - ERSR = 0x36, - ChipCmd = 0x37, - TxPoll = 0x38, - IntrMask = 0x3C, - IntrStatus = 0x3E, - TxConfig = 0x40, - RxConfig = 0x44, - RxMissed = 0x4C, - Cfg9346 = 0x50, - Config0 = 0x51, - Config1 = 0x52, - Config2 = 0x53, - Config3 = 0x54, - Config4 = 0x55, - Config5 = 0x56, - MultiIntr = 0x5C, - PHYAR = 0x60, - TBICSR = 0x64, - TBI_ANAR = 0x68, - TBI_LPAR = 0x6A, - PHYstatus = 0x6C, - RxMaxSize = 0xDA, - CPlusCmd = 0xE0, - RxDescStartAddr = 0xE4, - EarlyTxThres = 0xEC, - FuncEvent = 0xF0, - FuncEventMask = 0xF4, - FuncPresetState = 0xF8, - FuncForceEvent = 0xFC, -}; - -enum RTL8169_register_content { - /*InterruptStatusBits */ - SYSErr = 0x8000, - PCSTimeout = 0x4000, - SWInt = 0x0100, - TxDescUnavail = 0x80, - RxFIFOOver = 0x40, - RxUnderrun = 0x20, - RxOverflow = 0x10, - TxErr = 0x08, - TxOK = 0x04, - RxErr = 0x02, - RxOK = 0x01, - - /*RxStatusDesc */ - RxRES = 0x00200000, - RxCRC = 0x00080000, - RxRUNT = 0x00100000, - RxRWT = 0x00400000, - - /*ChipCmdBits */ - CmdReset = 0x10, - CmdRxEnb = 0x08, - CmdTxEnb = 0x04, - RxBufEmpty = 0x01, - - /*Cfg9346Bits */ - Cfg9346_Lock = 0x00, - Cfg9346_Unlock = 0xC0, - - /*rx_mode_bits */ - AcceptErr = 0x20, - AcceptRunt = 0x10, - AcceptBroadcast = 0x08, - AcceptMulticast = 0x04, - AcceptMyPhys = 0x02, - AcceptAllPhys = 0x01, - - /*RxConfigBits */ - RxCfgFIFOShift = 13, - RxCfgDMAShift = 8, - - /*TxConfigBits */ - TxInterFrameGapShift = 24, - TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */ - - /*rtl8169_PHYstatus */ - TBI_Enable = 0x80, - TxFlowCtrl = 0x40, - RxFlowCtrl = 0x20, - _1000bpsF = 0x10, - _100bps = 0x08, - _10bps = 0x04, - LinkStatus = 0x02, - FullDup = 0x01, - - /*GIGABIT_PHY_registers */ - PHY_CTRL_REG = 0, - PHY_STAT_REG = 1, - PHY_AUTO_NEGO_REG = 4, - PHY_1000_CTRL_REG = 9, - - /*GIGABIT_PHY_REG_BIT */ - PHY_Restart_Auto_Nego = 0x0200, - PHY_Enable_Auto_Nego = 0x1000, - - /* PHY_STAT_REG = 1; */ - PHY_Auto_Neco_Comp = 0x0020, - - /* PHY_AUTO_NEGO_REG = 4; */ - PHY_Cap_10_Half = 0x0020, - PHY_Cap_10_Full = 0x0040, - PHY_Cap_100_Half = 0x0080, - PHY_Cap_100_Full = 0x0100, - - /* PHY_1000_CTRL_REG = 9; */ - PHY_Cap_1000_Full = 0x0200, - - PHY_Cap_Null = 0x0, - - /*_MediaType*/ - _10_Half = 0x01, - _10_Full = 0x02, - _100_Half = 0x04, - _100_Full = 0x08, - _1000_Full = 0x10, - - /*_TBICSRBit*/ - TBILinkOK = 0x02000000, -}; - -static struct { - const char *name; - u8 version; /* depend on RTL8169 docs */ - u32 RxConfigMask; /* should clear the bits supported by this chip */ -} rtl_chip_info[] = { - {"RTL-8169", 0x00, 0xff7e1880,}, - {"RTL-8169", 0x04, 0xff7e1880,}, -}; - -enum _DescStatusBit { - OWNbit = 0x80000000, - EORbit = 0x40000000, - FSbit = 0x20000000, - LSbit = 0x10000000, -}; - -struct TxDesc { - u32 status; - u32 vlan_tag; - u32 buf_addr; - u32 buf_Haddr; -}; - -struct RxDesc { - u32 status; - u32 vlan_tag; - u32 buf_addr; - u32 buf_Haddr; -}; - -/* Define the TX Descriptor */ -static u8 tx_ring[NUM_TX_DESC * sizeof(struct TxDesc) + 256]; -/* __attribute__ ((aligned(256))); */ - -/* Create a static buffer of size RX_BUF_SZ for each -TX Descriptor. All descriptors point to a -part of this buffer */ -static unsigned char txb[NUM_TX_DESC * RX_BUF_SIZE]; - -/* Define the RX Descriptor */ -static u8 rx_ring[NUM_RX_DESC * sizeof(struct TxDesc) + 256]; - /* __attribute__ ((aligned(256))); */ - -/* Create a static buffer of size RX_BUF_SZ for each -RX Descriptor All descriptors point to a -part of this buffer */ -static unsigned char rxb[NUM_RX_DESC * RX_BUF_SIZE]; - -struct rtl8169_private { - void *mmio_addr; /* memory map physical address */ - int chipset; - unsigned long cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */ - unsigned long cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */ - unsigned long dirty_tx; - unsigned char *TxDescArrays; /* Index of Tx Descriptor buffer */ - unsigned char *RxDescArrays; /* Index of Rx Descriptor buffer */ - struct TxDesc *TxDescArray; /* Index of 256-alignment Tx Descriptor buffer */ - struct RxDesc *RxDescArray; /* Index of 256-alignment Rx Descriptor buffer */ - unsigned char *RxBufferRings; /* Index of Rx Buffer */ - unsigned char *RxBufferRing[NUM_RX_DESC]; /* Index of Rx Buffer array */ - unsigned char *Tx_skbuff[NUM_TX_DESC]; -} tpx; - -static struct rtl8169_private *tpc; - -static const u16 rtl8169_intr_mask = - SYSErr | PCSTimeout | RxUnderrun | RxOverflow | RxFIFOOver | TxErr | - TxOK | RxErr | RxOK; -static const unsigned int rtl8169_rx_config = - (RX_FIFO_THRESH << RxCfgFIFOShift) | (RX_DMA_BURST << RxCfgDMAShift); - -static struct pci_device_id supported[] = { - {PCI_VENDOR_ID_REALTEK, 0x8169}, - {} -}; - -void mdio_write(int RegAddr, int value) -{ - int i; - - RTL_W32(PHYAR, 0x80000000 | (RegAddr & 0xFF) << 16 | value); - udelay(1000); - - for (i = 2000; i > 0; i--) { - /* Check if the RTL8169 has completed writing to the specified MII register */ - if (!(RTL_R32(PHYAR) & 0x80000000)) { - break; - } else { - udelay(100); - } - } -} - -int mdio_read(int RegAddr) -{ - int i, value = -1; - - RTL_W32(PHYAR, 0x0 | (RegAddr & 0xFF) << 16); - udelay(1000); - - for (i = 2000; i > 0; i--) { - /* Check if the RTL8169 has completed retrieving data from the specified MII register */ - if (RTL_R32(PHYAR) & 0x80000000) { - value = (int) (RTL_R32(PHYAR) & 0xFFFF); - break; - } else { - udelay(100); - } - } - return value; -} - -#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) - -static int rtl8169_init_board(struct eth_device *dev) -{ - int i; - u32 tmp; - -#ifdef DEBUG_RTL8169 - printf ("%s\n", __FUNCTION__); -#endif - ioaddr = dev->iobase; - - /* Soft reset the chip. */ - RTL_W8(ChipCmd, CmdReset); - - /* Check that the chip has finished the reset. */ - for (i = 1000; i > 0; i--) - if ((RTL_R8(ChipCmd) & CmdReset) == 0) - break; - else - udelay(10); - - /* identify chip attached to board */ - tmp = RTL_R32(TxConfig); - tmp = ((tmp & 0x7c000000) + ((tmp & 0x00800000) << 2)) >> 24; - - for (i = ARRAY_SIZE(rtl_chip_info) - 1; i >= 0; i--){ - if (tmp == rtl_chip_info[i].version) { - tpc->chipset = i; - goto match; - } - } - - /* if unknown chip, assume array element #0, original RTL-8169 in this case */ - printf("PCI device %s: unknown chip version, assuming RTL-8169\n", dev->name); - printf("PCI device: TxConfig = 0x%hX\n", (unsigned long) RTL_R32(TxConfig)); - tpc->chipset = 0; - -match: - return 0; -} - -/************************************************************************** -RECV - Receive a frame -***************************************************************************/ -static int rtl_recv(struct eth_device *dev) -{ - /* return true if there's an ethernet packet ready to read */ - /* nic->packet should contain data on return */ - /* nic->packetlen should contain length of data */ - int cur_rx; - int length = 0; - -#ifdef DEBUG_RTL8169_RX - printf ("%s\n", __FUNCTION__); -#endif - ioaddr = dev->iobase; - - cur_rx = tpc->cur_rx; - if ((tpc->RxDescArray[cur_rx].status & OWNbit) == 0) { - if (!(tpc->RxDescArray[cur_rx].status & RxRES)) { - unsigned char rxdata[RX_BUF_LEN]; - length = (int) (tpc->RxDescArray[cur_rx]. - status & 0x00001FFF) - 4; - - memcpy(rxdata, tpc->RxBufferRing[cur_rx], length); - NetReceive(rxdata, length); - - if (cur_rx == NUM_RX_DESC - 1) - tpc->RxDescArray[cur_rx].status = - (OWNbit | EORbit) + RX_BUF_SIZE; - else - tpc->RxDescArray[cur_rx].status = - OWNbit + RX_BUF_SIZE; - tpc->RxDescArray[cur_rx].buf_addr = - virt_to_bus(tpc->RxBufferRing[cur_rx]); - } else { - puts("Error Rx"); - } - cur_rx = (cur_rx + 1) % NUM_RX_DESC; - tpc->cur_rx = cur_rx; - return 1; - - } - tpc->cur_rx = cur_rx; - return (0); /* initially as this is called to flush the input */ -} - -#define HZ 1000 -/************************************************************************** -SEND - Transmit a frame -***************************************************************************/ -static int rtl_send(struct eth_device *dev, volatile void *packet, int length) -{ - /* send the packet to destination */ - - u32 to; - u8 *ptxb; - int entry = tpc->cur_tx % NUM_TX_DESC; - u32 len = length; - -#ifdef DEBUG_RTL8169_TX - int stime = currticks(); - printf ("%s\n", __FUNCTION__); - printf("sending %d bytes\n", len); -#endif - - ioaddr = dev->iobase; - - /* point to the current txb incase multiple tx_rings are used */ - ptxb = tpc->Tx_skbuff[entry * MAX_ETH_FRAME_SIZE]; - memcpy(ptxb, (char *)packet, (int)length); - - while (len < ETH_ZLEN) - ptxb[len++] = '\0'; - - tpc->TxDescArray[entry].buf_addr = virt_to_bus(ptxb); - if (entry != (NUM_TX_DESC - 1)) { - tpc->TxDescArray[entry].status = - (OWNbit | FSbit | LSbit) | ((len > ETH_ZLEN) ? - len : ETH_ZLEN); - } else { - tpc->TxDescArray[entry].status = - (OWNbit | EORbit | FSbit | LSbit) | - ((len > ETH_ZLEN) ? length : ETH_ZLEN); - } - RTL_W8(TxPoll, 0x40); /* set polling bit */ - - tpc->cur_tx++; - to = currticks() + TX_TIMEOUT; - while ((tpc->TxDescArray[entry].status & OWNbit) && (currticks() < to)); /* wait */ - - if (currticks() >= to) { -#ifdef DEBUG_RTL8169_TX - puts ("tx timeout/error\n"); - printf ("%s elapsed time : %d\n", __FUNCTION__, currticks()-stime); -#endif - return 0; - } else { -#ifdef DEBUG_RTL8169_TX - puts("tx done\n"); -#endif - return length; - } -} - -static void rtl8169_set_rx_mode(struct eth_device *dev) -{ - u32 mc_filter[2]; /* Multicast hash filter */ - int rx_mode; - u32 tmp = 0; - -#ifdef DEBUG_RTL8169 - printf ("%s\n", __FUNCTION__); -#endif - - /* IFF_ALLMULTI */ - /* Too many to filter perfectly -- accept all multicasts. */ - rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys; - mc_filter[1] = mc_filter[0] = 0xffffffff; - - tmp = rtl8169_rx_config | rx_mode | (RTL_R32(RxConfig) & - rtl_chip_info[tpc->chipset].RxConfigMask); - - RTL_W32(RxConfig, tmp); - RTL_W32(MAR0 + 0, mc_filter[0]); - RTL_W32(MAR0 + 4, mc_filter[1]); -} - -static void rtl8169_hw_start(struct eth_device *dev) -{ - u32 i; - -#ifdef DEBUG_RTL8169 - int stime = currticks(); - printf ("%s\n", __FUNCTION__); -#endif - -#if 0 - /* Soft reset the chip. */ - RTL_W8(ChipCmd, CmdReset); - - /* Check that the chip has finished the reset. */ - for (i = 1000; i > 0; i--) { - if ((RTL_R8(ChipCmd) & CmdReset) == 0) - break; - else - udelay(10); - } -#endif - - RTL_W8(Cfg9346, Cfg9346_Unlock); - RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); - RTL_W8(EarlyTxThres, EarlyTxThld); - - /* For gigabit rtl8169 */ - RTL_W16(RxMaxSize, RxPacketMaxSize); - - /* Set Rx Config register */ - i = rtl8169_rx_config | (RTL_R32(RxConfig) & - rtl_chip_info[tpc->chipset].RxConfigMask); - RTL_W32(RxConfig, i); - - /* Set DMA burst size and Interframe Gap Time */ - RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) | - (InterFrameGap << TxInterFrameGapShift)); - - - tpc->cur_rx = 0; - - RTL_W32(TxDescStartAddr, virt_to_le32desc(tpc->TxDescArray)); - RTL_W32(RxDescStartAddr, virt_to_le32desc(tpc->RxDescArray)); - RTL_W8(Cfg9346, Cfg9346_Lock); - udelay(10); - - RTL_W32(RxMissed, 0); - - rtl8169_set_rx_mode(dev); - - /* no early-rx interrupts */ - RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000); - -#ifdef DEBUG_RTL8169 - printf ("%s elapsed time : %d\n", __FUNCTION__, currticks()-stime); -#endif -} - -static void rtl8169_init_ring(struct eth_device *dev) -{ - int i; - -#ifdef DEBUG_RTL8169 - int stime = currticks(); - printf ("%s\n", __FUNCTION__); -#endif - - tpc->cur_rx = 0; - tpc->cur_tx = 0; - tpc->dirty_tx = 0; - memset(tpc->TxDescArray, 0x0, NUM_TX_DESC * sizeof(struct TxDesc)); - memset(tpc->RxDescArray, 0x0, NUM_RX_DESC * sizeof(struct RxDesc)); - - for (i = 0; i < NUM_TX_DESC; i++) { - tpc->Tx_skbuff[i] = &txb[i]; - } - - for (i = 0; i < NUM_RX_DESC; i++) { - if (i == (NUM_RX_DESC - 1)) - tpc->RxDescArray[i].status = - (OWNbit | EORbit) + RX_BUF_SIZE; - else - tpc->RxDescArray[i].status = OWNbit + RX_BUF_SIZE; - - tpc->RxBufferRing[i] = &rxb[i * RX_BUF_SIZE]; - tpc->RxDescArray[i].buf_addr = - virt_to_bus(tpc->RxBufferRing[i]); - } - -#ifdef DEBUG_RTL8169 - printf ("%s elapsed time : %d\n", __FUNCTION__, currticks()-stime); -#endif -} - -/************************************************************************** -RESET - Finish setting up the ethernet interface -***************************************************************************/ -static void rtl_reset(struct eth_device *dev, bd_t *bis) -{ - int i; - u8 diff; - u32 TxPhyAddr, RxPhyAddr; - -#ifdef DEBUG_RTL8169 - int stime = currticks(); - printf ("%s\n", __FUNCTION__); -#endif - - tpc->TxDescArrays = tx_ring; - if (tpc->TxDescArrays == 0) - puts("Allot Error"); - /* Tx Desscriptor needs 256 bytes alignment; */ - TxPhyAddr = virt_to_bus(tpc->TxDescArrays); - diff = 256 - (TxPhyAddr - ((TxPhyAddr >> 8) << 8)); - TxPhyAddr += diff; - tpc->TxDescArray = (struct TxDesc *) (tpc->TxDescArrays + diff); - - tpc->RxDescArrays = rx_ring; - /* Rx Desscriptor needs 256 bytes alignment; */ - RxPhyAddr = virt_to_bus(tpc->RxDescArrays); - diff = 256 - (RxPhyAddr - ((RxPhyAddr >> 8) << 8)); - RxPhyAddr += diff; - tpc->RxDescArray = (struct RxDesc *) (tpc->RxDescArrays + diff); - - if (tpc->TxDescArrays == NULL || tpc->RxDescArrays == NULL) { - puts("Allocate RxDescArray or TxDescArray failed\n"); - return; - } - - rtl8169_init_ring(dev); - rtl8169_hw_start(dev); - /* Construct a perfect filter frame with the mac address as first match - * and broadcast for all others */ - for (i = 0; i < 192; i++) - txb[i] = 0xFF; - - txb[0] = dev->enetaddr[0]; - txb[1] = dev->enetaddr[1]; - txb[2] = dev->enetaddr[2]; - txb[3] = dev->enetaddr[3]; - txb[4] = dev->enetaddr[4]; - txb[5] = dev->enetaddr[5]; - -#ifdef DEBUG_RTL8169 - printf ("%s elapsed time : %d\n", __FUNCTION__, currticks()-stime); -#endif -} - -/************************************************************************** -HALT - Turn off ethernet interface -***************************************************************************/ -static void rtl_halt(struct eth_device *dev) -{ - int i; - -#ifdef DEBUG_RTL8169 - printf ("%s\n", __FUNCTION__); -#endif - - ioaddr = dev->iobase; - - /* Stop the chip's Tx and Rx DMA processes. */ - RTL_W8(ChipCmd, 0x00); - - /* Disable interrupts by clearing the interrupt mask. */ - RTL_W16(IntrMask, 0x0000); - - RTL_W32(RxMissed, 0); - - tpc->TxDescArrays = NULL; - tpc->RxDescArrays = NULL; - tpc->TxDescArray = NULL; - tpc->RxDescArray = NULL; - for (i = 0; i < NUM_RX_DESC; i++) { - tpc->RxBufferRing[i] = NULL; - } -} - -/************************************************************************** -INIT - Look for an adapter, this routine's visible to the outside -***************************************************************************/ - -#define board_found 1 -#define valid_link 0 -static int rtl_init(struct eth_device *dev, bd_t *bis) -{ - static int board_idx = -1; - static int printed_version = 0; - int i, rc; - int option = -1, Cap10_100 = 0, Cap1000 = 0; - -#ifdef DEBUG_RTL8169 - printf ("%s\n", __FUNCTION__); -#endif - - ioaddr = dev->iobase; - - board_idx++; - - printed_version = 1; - - /* point to private storage */ - tpc = &tpx; - - rc = rtl8169_init_board(dev); - if (rc) - return rc; - - /* Get MAC address. FIXME: read EEPROM */ - for (i = 0; i < MAC_ADDR_LEN; i++) - dev->enetaddr[i] = RTL_R8(MAC0 + i); - -#ifdef DEBUG_RTL8169 - printf("MAC Address"); - for (i = 0; i < MAC_ADDR_LEN; i++) - printf(":%02x", dev->enetaddr[i]); - putc('\n'); -#endif - -#ifdef DEBUG_RTL8169 - /* Print out some hardware info */ - printf("%s: at ioaddr 0x%x\n", dev->name, ioaddr); -#endif - - /* if TBI is not endbled */ - if (!(RTL_R8(PHYstatus) & TBI_Enable)) { - int val = mdio_read(PHY_AUTO_NEGO_REG); - - option = (board_idx >= MAX_UNITS) ? 0 : media[board_idx]; - /* Force RTL8169 in 10/100/1000 Full/Half mode. */ - if (option > 0) { -#ifdef DEBUG_RTL8169 - printf("%s: Force-mode Enabled.\n", dev->name); -#endif - Cap10_100 = 0, Cap1000 = 0; - switch (option) { - case _10_Half: - Cap10_100 = PHY_Cap_10_Half; - Cap1000 = PHY_Cap_Null; - break; - case _10_Full: - Cap10_100 = PHY_Cap_10_Full; - Cap1000 = PHY_Cap_Null; - break; - case _100_Half: - Cap10_100 = PHY_Cap_100_Half; - Cap1000 = PHY_Cap_Null; - break; - case _100_Full: - Cap10_100 = PHY_Cap_100_Full; - Cap1000 = PHY_Cap_Null; - break; - case _1000_Full: - Cap10_100 = PHY_Cap_Null; - Cap1000 = PHY_Cap_1000_Full; - break; - default: - break; - } - mdio_write(PHY_AUTO_NEGO_REG, Cap10_100 | (val & 0x1F)); /* leave PHY_AUTO_NEGO_REG bit4:0 unchanged */ - mdio_write(PHY_1000_CTRL_REG, Cap1000); - } else { -#ifdef DEBUG_RTL8169 - printf("%s: Auto-negotiation Enabled.\n", - dev->name); -#endif - /* enable 10/100 Full/Half Mode, leave PHY_AUTO_NEGO_REG bit4:0 unchanged */ - mdio_write(PHY_AUTO_NEGO_REG, - PHY_Cap_10_Half | PHY_Cap_10_Full | - PHY_Cap_100_Half | PHY_Cap_100_Full | - (val & 0x1F)); - - /* enable 1000 Full Mode */ - mdio_write(PHY_1000_CTRL_REG, PHY_Cap_1000_Full); - - } - - /* Enable auto-negotiation and restart auto-nigotiation */ - mdio_write(PHY_CTRL_REG, - PHY_Enable_Auto_Nego | PHY_Restart_Auto_Nego); - udelay(100); - - /* wait for auto-negotiation process */ - for (i = 10000; i > 0; i--) { - /* check if auto-negotiation complete */ - if (mdio_read(PHY_STAT_REG) & PHY_Auto_Neco_Comp) { - udelay(100); - option = RTL_R8(PHYstatus); - if (option & _1000bpsF) { -#ifdef DEBUG_RTL8169 - printf("%s: 1000Mbps Full-duplex operation.\n", - dev->name); -#endif - } else { -#ifdef DEBUG_RTL8169 - printf - ("%s: %sMbps %s-duplex operation.\n", - dev->name, - (option & _100bps) ? "100" : - "10", - (option & FullDup) ? "Full" : - "Half"); -#endif - } - break; - } else { - udelay(100); - } - } /* end for-loop to wait for auto-negotiation process */ - - } else { - udelay(100); -#ifdef DEBUG_RTL8169 - printf - ("%s: 1000Mbps Full-duplex operation, TBI Link %s!\n", - dev->name, - (RTL_R32(TBICSR) & TBILinkOK) ? "OK" : "Failed"); -#endif - } - - return 1; -} - -int rtl8169_initialize(bd_t *bis) -{ - pci_dev_t devno; - int card_number = 0; - struct eth_device *dev; - u32 iobase; - int idx=0; - - while(1){ - /* Find RTL8169 */ - if ((devno = pci_find_devices(supported, idx++)) < 0) - break; - - pci_read_config_dword(devno, PCI_BASE_ADDRESS_1, &iobase); - iobase &= ~0xf; - - debug ("rtl8169: REALTEK RTL8169 @0x%x\n", iobase); - - dev = (struct eth_device *)malloc(sizeof *dev); - - sprintf (dev->name, "RTL8169#%d", card_number); - - dev->priv = (void *) devno; - dev->iobase = (int)bus_to_phys(iobase); - - dev->init = rtl_reset; - dev->halt = rtl_halt; - dev->send = rtl_send; - dev->recv = rtl_recv; - - eth_register (dev); - - rtl_init(dev, bis); - - card_number++; - } - return card_number; -} - -#endif |