From: Louis louis@asix.com.tw
Signed-off-by: Louis Su louis@asix.com.tw --- drivers/net/Makefile | 1 + drivers/net/ax88180.c | 727 +++++++++++++++++++++++++++++++++++++++++++++++++ drivers/net/ax88180.h | 412 ++++++++++++++++++++++++++++ 3 files changed, 1140 insertions(+), 0 deletions(-) create mode 100644 drivers/net/ax88180.c create mode 100644 drivers/net/ax88180.h
diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 84be288..3a574e0 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -26,6 +26,7 @@ include $(TOPDIR)/config.mk LIB := $(obj)libnet.a
COBJS-$(CONFIG_DRIVER_3C589) += 3c589.o +COBJS-$(CONFIG_DRIVER_AX88180) += ax88180.o COBJS-$(CONFIG_BCM570x) += bcm570x.o bcm570x_autoneg.o 5701rls.o COBJS-$(CONFIG_BFIN_MAC) += bfin_mac.o COBJS-$(CONFIG_DRIVER_CS8900) += cs8900.o diff --git a/drivers/net/ax88180.c b/drivers/net/ax88180.c new file mode 100644 index 0000000..1457355 --- /dev/null +++ b/drivers/net/ax88180.c @@ -0,0 +1,727 @@ +/* + * ax88180: ASIX AX88180 Non-PCI Gigabit Ethernet u-boot driver + * + * 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 + * published by the Free Software Foundation. + * This program is distributed in the hope 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., 59 Temple Place - Suite 330, Boston MA 02111-1307, + * USA. + */ + +/* + * ======================================================================== + * ASIX AX88180 Non-PCI 16/32-bit Gigabit Ethernet Linux Driver + * + * The AX88180 Ethernet controller is a high performance and highly + * integrated local CPU bus Ethernet controller with embedded 40K bytes + * SRAM and supports both 16-bit and 32-bit SRAM-Like interfaces for any + * embedded systems. + * The AX88180 is a single chip 10/100/1000Mbps Gigabit Ethernet + * controller that supports both MII and RGMII interfaces and is + * compliant to IEEE 802.3, IEEE 802.3u and IEEE 802.3z standards. + * + * Please visit ASIX's web site (http://www.asix.com.tw) for more + * details. + * + * Module Name : ax88180.c + * Date : 2008-07-07 + * History + * 09/06/2006 : New release for AX88180 US2 chip. + * 07/07/2008 : Fix up the coding style and using inline functions + * instead of macros + * ======================================================================== + */ +#include <common.h> +#include <command.h> +#include <net.h> +#include <malloc.h> +#include "ax88180.h" + +/* + * =========================================================================== + * Local SubProgram Declaration + * =========================================================================== + */ +static void ax88180_rx_handler (struct eth_device *dev); +static int ax88180_phy_initial (struct eth_device *dev); +static void ax88180_meidia_config (struct eth_device *dev); +static unsigned long get_CicadaPHY_meida_mode (struct eth_device *dev); +static unsigned long get_MarvellPHY_meida_mode (struct eth_device *dev); +static unsigned short ax88180_mdio_read (struct eth_device *dev, + unsigned long regaddr); +static void ax88180_mdio_write (struct eth_device *dev, + unsigned long regaddr, unsigned short regdata); + +/* + * =========================================================================== + * Local SubProgram Bodies + * =========================================================================== + */ +static int ax88180_mdio_check_complete (struct eth_device *dev) +{ + int us_cnt = 10000; + unsigned short tmpval; + + /* MDIO read/write should not take more than 10 ms */ + while (--us_cnt) { + tmpval = INW (dev, MDIOCTRL); + if (((tmpval & READ_PHY) == 0) && ((tmpval & WRITE_PHY) == 0)) + break; + } + + return us_cnt; +} + +static unsigned short +ax88180_mdio_read (struct eth_device *dev, unsigned long regaddr) +{ + struct ax88180_private *priv = (struct ax88180_private *)dev->priv; + unsigned long tmpval = 0; + + OUTW (dev, (READ_PHY | (regaddr << 8) | priv->PhyAddr), MDIOCTRL); + + if (ax88180_mdio_check_complete (dev)) + tmpval = INW (dev, MDIODP); + else + printf ("Failed to read PHY register!\n"); + + return (unsigned short)(tmpval & 0xFFFF); +} + +static void +ax88180_mdio_write (struct eth_device *dev, unsigned long regaddr, + unsigned short regdata) +{ + struct ax88180_private *priv = (struct ax88180_private *)dev->priv; + + OUTW (dev, regdata, MDIODP); + + OUTW (dev, (WRITE_PHY | (regaddr << 8) | priv->PhyAddr), MDIOCTRL); + + if (!ax88180_mdio_check_complete (dev)) + printf ("Failed to write PHY register!\n"); +} + +static int ax88180_phy_reset (struct eth_device *dev) +{ + unsigned short delay_cnt = 500; + + ax88180_mdio_write (dev, BMCR, (PHY_RESET | AUTONEG_EN)); + + /* Wait for the reset to complete, or time out (500 ms) */ + while (ax88180_mdio_read (dev, BMCR) & PHY_RESET) { + udelay (1000); + if (--delay_cnt == 0) { + printf ("Failed to reset PHY!\n"); + return -1; + } + } + + return 0; +} + +static void ax88180_mac_reset (struct eth_device *dev) +{ + unsigned long tmpval; + unsigned char i; + + struct { + unsigned short offset, value; + } program_seq[] = { + { + MISC, MISC_NORMAL}, { + RXINDICATOR, DEFAULT_RXINDICATOR}, { + TXCMD, DEFAULT_TXCMD}, { + TXBS, DEFAULT_TXBS}, { + TXDES0, DEFAULT_TXDES0}, { + TXDES1, DEFAULT_TXDES1}, { + TXDES2, DEFAULT_TXDES2}, { + TXDES3, DEFAULT_TXDES3}, { + TXCFG, DEFAULT_TXCFG}, { + MACCFG2, DEFAULT_MACCFG2}, { + MACCFG3, DEFAULT_MACCFG3}, { + TXLEN, DEFAULT_TXLEN}, { + RXBTHD0, DEFAULT_RXBTHD0}, { + RXBTHD1, DEFAULT_RXBTHD1}, { + RXFULTHD, DEFAULT_RXFULTHD}, { + DOGTHD0, DEFAULT_DOGTHD0}, { + DOGTHD1, DEFAULT_DOGTHD1},}; + + OUTW (dev, MISC_RESET_MAC, MISC); + tmpval = INW (dev, MISC); + + for (i = 0; i < (sizeof (program_seq) / sizeof (program_seq[0])); i++) + OUTW (dev, program_seq[i].value, program_seq[i].offset); +} + +static int ax88180_poll_tx_complete (struct eth_device *dev) +{ + struct ax88180_private *priv = (struct ax88180_private *)dev->priv; + unsigned long tmpval, txbs_txdp; + int TimeOutCnt = 10000; + + txbs_txdp = 1 << priv->NextTxDesc; + + while (TimeOutCnt--) { + + tmpval = INW (dev, TXBS); + + if ((tmpval & txbs_txdp) == 0) + break; + + udelay (100); + } + + if (TimeOutCnt) + return 0; + else + return -TimeOutCnt; +} + +static void ax88180_rx_handler (struct eth_device *dev) +{ + struct ax88180_private *priv = (struct ax88180_private *)dev->priv; + unsigned long data_size; + unsigned short rxcurt_ptr, rxbound_ptr, next_ptr; + int i; +#if defined (CONFIG_DRIVER_AX88180_16BIT) + unsigned short *rxdata = (unsigned short *)NetRxPackets[0]; +#else + unsigned long *rxdata = (unsigned long *)NetRxPackets[0]; +#endif + unsigned short count; + + rxcurt_ptr = INW (dev, RXCURT); + rxbound_ptr = INW (dev, RXBOUND); + next_ptr = (rxbound_ptr + 1) & RX_PAGE_NUM_MASK; + + debug ("ax88180: RX original RXBOUND=0x%04x," + " RXCURT=0x%04x\n", rxbound_ptr, rxcurt_ptr); + + while (next_ptr != rxcurt_ptr) { + + OUTW (dev, RX_START_READ, RXINDICATOR); + + data_size = READ_RXBUF (dev) & 0xFFFF; + + if ((data_size == 0) || (data_size > MAX_RX_SIZE)) { + + OUTW (dev, RX_STOP_READ, RXINDICATOR); + + ax88180_mac_reset (dev); + printf ("ax88180: Invalid Rx packet length!" + " (len=0x%04lx)\n", data_size); + + debug ("ax88180: RX RXBOUND=0x%04x," + "RXCURT=0x%04x\n", rxbound_ptr, rxcurt_ptr); + return; + } + + rxbound_ptr += (((data_size + 0xF) & 0xFFF0) >> 4) + 1; + rxbound_ptr &= RX_PAGE_NUM_MASK; + + /* Comput access times */ + count = (data_size + priv->PadSize) >> priv->BusWidth; + + for (i = 0; i < count; i++) { + *(rxdata + i) = READ_RXBUF (dev); + } + + OUTW (dev, RX_STOP_READ, RXINDICATOR); + + /* Pass the packet up to the protocol layers. */ + NetReceive (NetRxPackets[0], data_size); + + OUTW (dev, rxbound_ptr, RXBOUND); + + rxcurt_ptr = INW (dev, RXCURT); + rxbound_ptr = INW (dev, RXBOUND); + next_ptr = (rxbound_ptr + 1) & RX_PAGE_NUM_MASK; + + debug ("ax88180: RX updated RXBOUND=0x%04x," + "RXCURT=0x%04x\n", rxbound_ptr, rxcurt_ptr); + } + + return; +} + +static int ax88180_phy_initial (struct eth_device *dev) +{ + struct ax88180_private *priv = (struct ax88180_private *)dev->priv; + unsigned long tmp_regval; + + /* Check avaliable PHY chipset */ + priv->PhyAddr = MARVELL_88E1111_PHYADDR; + priv->PhyID0 = ax88180_mdio_read (dev, PHYIDR0); + + if (priv->PhyID0 == MARVELL_88E1111_PHYIDR0) { + + debug ("ax88180: Found Marvell 88E1111 PHY." + " (PHY Addr=0x%x)\n", priv->PhyAddr); + + tmp_regval = ax88180_mdio_read (dev, M88_EXT_SSR); + if ((tmp_regval & HWCFG_MODE_MASK) == RGMII_COPPER_MODE) { + + ax88180_mdio_write (dev, M88_EXT_SCR, DEFAULT_EXT_SCR); + if (ax88180_phy_reset (dev) < 0) + return 0; + ax88180_mdio_write (dev, M88_IER, LINK_CHANGE_INT); + } + } else { + + priv->PhyAddr = CICADA_CIS8201_PHYADDR; + priv->PhyID0 = ax88180_mdio_read (dev, PHYIDR0); + + if (priv->PhyID0 == CICADA_CIS8201_PHYIDR0) { + + debug ("ax88180: Found CICADA CIS8201 PHY" + " chipset. (PHY Addr=0x%x)\n", priv->PhyAddr); + ax88180_mdio_write (dev, CIS_IMR, + (CIS_INT_ENABLE | LINK_CHANGE_INT)); + + /* Set CIS_SMI_PRIORITY bit before force the media mode */ + tmp_regval = + ax88180_mdio_read (dev, CIS_AUX_CTRL_STATUS); + tmp_regval &= ~CIS_SMI_PRIORITY; + ax88180_mdio_write (dev, CIS_AUX_CTRL_STATUS, + tmp_regval); + } else { + printf ("ax88180: Unknown PHY chipset!!\n"); + return 0; + } + } + + return 1; +} + +static void ax88180_meidia_config (struct eth_device *dev) +{ + struct ax88180_private *priv = (struct ax88180_private *)dev->priv; + unsigned long bmcr_val, bmsr_val; + unsigned long rxcfg_val, maccfg0_val, maccfg1_val; + unsigned long RealMediaMode; + int i; + + /* Waiting 2 seconds for PHY link stable */ + for (i = 0; i < 20000; i++) { + bmsr_val = ax88180_mdio_read (dev, BMSR); + if (bmsr_val & LINKOK) { + break; + } + udelay (100); + } + + bmsr_val = ax88180_mdio_read (dev, BMSR); + debug ("ax88180: BMSR=0x%04x\n", (unsigned int)bmsr_val); + + if (bmsr_val & LINKOK) { + bmcr_val = ax88180_mdio_read (dev, BMCR); + + if (bmcr_val & AUTONEG_EN) { + + /* + * Waiting for Auto-negotiation completion, this may + * take up to 5 seconds. + */ + debug ("ax88180: Auto-negotiation is " + "enabled. Waiting for NWay completion..\n"); + for (i = 0; i < 50000; i++) { + bmsr_val = ax88180_mdio_read (dev, BMSR); + if (bmsr_val & AUTONEG_COMPLETE) { + break; + } + udelay (100); + } + } else + debug ("ax88180: Auto-negotiation is disabled.\n"); + + debug ("ax88180: BMCR=0x%04x, BMSR=0x%04x\n", + (unsigned int)bmcr_val, (unsigned int)bmsr_val); + + /* Get real media mode here */ + if (priv->PhyID0 == MARVELL_88E1111_PHYIDR0) { + RealMediaMode = get_MarvellPHY_meida_mode (dev); + } else if (priv->PhyID0 == CICADA_CIS8201_PHYIDR0) { + RealMediaMode = get_CicadaPHY_meida_mode (dev); + } else { + RealMediaMode = MEDIA_1000FULL; + } + + priv->LinkState = INS_LINK_UP; + + switch (RealMediaMode) { + case MEDIA_1000FULL: + debug ("ax88180: 1000Mbps Full-duplex mode.\n"); + rxcfg_val = RXFLOW_ENABLE | DEFAULT_RXCFG; + maccfg0_val = TXFLOW_ENABLE | DEFAULT_MACCFG0; + maccfg1_val = GIGA_MODE_EN | RXFLOW_EN | + FULLDUPLEX | DEFAULT_MACCFG1; + break; + + case MEDIA_1000HALF: + debug ("ax88180: 1000Mbps Half-duplex mode.\n"); + rxcfg_val = DEFAULT_RXCFG; + maccfg0_val = DEFAULT_MACCFG0; + maccfg1_val = GIGA_MODE_EN | DEFAULT_MACCFG1; + break; + + case MEDIA_100FULL: + debug ("ax88180: 100Mbps Full-duplex mode.\n"); + rxcfg_val = RXFLOW_ENABLE | DEFAULT_RXCFG; + maccfg0_val = SPEED100 | TXFLOW_ENABLE + | DEFAULT_MACCFG0; + maccfg1_val = RXFLOW_EN | FULLDUPLEX | DEFAULT_MACCFG1; + break; + + case MEDIA_100HALF: + debug ("ax88180: 100Mbps Half-duplex mode.\n"); + rxcfg_val = DEFAULT_RXCFG; + maccfg0_val = SPEED100 | DEFAULT_MACCFG0; + maccfg1_val = DEFAULT_MACCFG1; + break; + + case MEDIA_10FULL: + debug ("ax88180: 10Mbps Full-duplex mode.\n"); + rxcfg_val = RXFLOW_ENABLE | DEFAULT_RXCFG; + maccfg0_val = TXFLOW_ENABLE | DEFAULT_MACCFG0; + maccfg1_val = RXFLOW_EN | FULLDUPLEX | DEFAULT_MACCFG1; + break; + + case MEDIA_10HALF: + debug ("ax88180: 10Mbps Half-duplex mode.\n"); + rxcfg_val = DEFAULT_RXCFG; + maccfg0_val = DEFAULT_MACCFG0; + maccfg1_val = DEFAULT_MACCFG1; + break; + default: + debug ("ax88180: Unknow media mode.\n"); + rxcfg_val = DEFAULT_RXCFG; + maccfg0_val = DEFAULT_MACCFG0; + maccfg1_val = DEFAULT_MACCFG1; + + priv->LinkState = INS_LINK_DOWN; + break; + } + + } else { + rxcfg_val = DEFAULT_RXCFG; + maccfg0_val = DEFAULT_MACCFG0; + maccfg1_val = DEFAULT_MACCFG1; + + priv->LinkState = INS_LINK_DOWN; + } + + OUTW (dev, rxcfg_val, RXCFG); + OUTW (dev, maccfg0_val, MACCFG0); + OUTW (dev, maccfg1_val, MACCFG1); + + return; +} + +static unsigned long get_MarvellPHY_meida_mode (struct eth_device *dev) +{ + unsigned long m88_ssr; + unsigned long MediaMode; + + m88_ssr = ax88180_mdio_read (dev, M88_SSR); + switch (m88_ssr & SSR_MEDIA_MASK) { + case SSR_1000FULL: + MediaMode = MEDIA_1000FULL; + break; + case SSR_1000HALF: + MediaMode = MEDIA_1000HALF; + break; + case SSR_100FULL: + MediaMode = MEDIA_100FULL; + break; + case SSR_100HALF: + MediaMode = MEDIA_100HALF; + break; + case SSR_10FULL: + MediaMode = MEDIA_10FULL; + break; + case SSR_10HALF: + MediaMode = MEDIA_10HALF; + break; + default: + MediaMode = MEDIA_UNKNOWN; + break; + } + + return MediaMode; +} + +static unsigned long get_CicadaPHY_meida_mode (struct eth_device *dev) +{ + unsigned long tmp_regval; + unsigned long MediaMode; + + tmp_regval = ax88180_mdio_read (dev, CIS_AUX_CTRL_STATUS); + switch (tmp_regval & CIS_MEDIA_MASK) { + case CIS_1000FULL: + MediaMode = MEDIA_1000FULL; + break; + case CIS_1000HALF: + MediaMode = MEDIA_1000HALF; + break; + case CIS_100FULL: + MediaMode = MEDIA_100FULL; + break; + case CIS_100HALF: + MediaMode = MEDIA_100HALF; + break; + case CIS_10FULL: + MediaMode = MEDIA_10FULL; + break; + case CIS_10HALF: + MediaMode = MEDIA_10HALF; + break; + default: + MediaMode = MEDIA_UNKNOWN; + break; + } + + return MediaMode; +} + +static void ax88180_halt (struct eth_device *dev) +{ + /* Disable AX88180 TX/RX functions */ + OUTW (dev, WAKEMOD, CMD); +} + +static int ax88180_init (struct eth_device *dev, bd_t * bd) +{ + struct ax88180_private *priv = (struct ax88180_private *)dev->priv; + unsigned short tmp_regval; + + ax88180_mac_reset (dev); + + /* Disable interrupt */ + OUTW (dev, CLEAR_IMR, IMR); + + /* Disable AX88180 TX/RX functions */ + OUTW (dev, WAKEMOD, CMD); + + /* Fill the MAC address */ + tmp_regval = + dev->enetaddr[0] | (((unsigned short)dev->enetaddr[1]) << 8); + OUTW (dev, tmp_regval, MACID0); + + tmp_regval = + dev->enetaddr[2] | (((unsigned short)dev->enetaddr[3]) << 8); + OUTW (dev, tmp_regval, MACID1); + + tmp_regval = + dev->enetaddr[4] | (((unsigned short)dev->enetaddr[5]) << 8); + OUTW (dev, tmp_regval, MACID2); + + ax88180_meidia_config (dev); + + OUTW (dev, DEFAULT_RXFILTER, RXFILTER); + + /* Initial variables here */ + priv->FirstTxDesc = TXDP0; + priv->NextTxDesc = TXDP0; + + /* Check if there is any invalid interrupt status and clear it. */ + OUTW (dev, INW (dev, ISR), ISR); + + /* Start AX88180 TX/RX functions */ + OUTW (dev, (RXEN | TXEN | WAKEMOD), CMD); + + return 0; +} + +/* Get a data block via Ethernet */ +static int ax88180_recv (struct eth_device *dev) +{ + unsigned short ISR_Status; + unsigned short tmp_regval; + + /* Read and check interrupt status here. */ + ISR_Status = INW (dev, ISR); + + while (ISR_Status) { + /* Clear the interrupt status */ + OUTW (dev, ISR_Status, ISR); + + debug ("\nax88180: The interrupt status = 0x%04x\n", + ISR_Status); + + if (ISR_Status & ISR_PHY) { + /* Read ISR register once to clear PHY interrupt bit */ + tmp_regval = ax88180_mdio_read (dev, M88_ISR); + ax88180_meidia_config (dev); + } + + if ((ISR_Status & ISR_RX) || (ISR_Status & ISR_RXBUFFOVR)) { + ax88180_rx_handler (dev); + } + + /* Read and check interrupt status again */ + ISR_Status = INW (dev, ISR); + } + + return 0; +} + +/* Send a data block via Ethernet. */ +static int +ax88180_send (struct eth_device *dev, volatile void *packet, int length) +{ + struct ax88180_private *priv = (struct ax88180_private *)dev->priv; + unsigned short TXDES_addr; + unsigned short txcmd_txdp, txbs_txdp; + unsigned short tmp_data; + int i; +#if defined (CONFIG_DRIVER_AX88180_16BIT) + volatile unsigned short *txdata = (volatile unsigned short *)packet; +#else + volatile unsigned long *txdata = (volatile unsigned long *)packet; +#endif + unsigned short count; + + if (priv->LinkState != INS_LINK_UP) { + return 0; + } + + priv->FirstTxDesc = priv->NextTxDesc; + txbs_txdp = 1 << priv->FirstTxDesc; + + debug ("ax88180: TXDP%d is available\n", priv->FirstTxDesc); + + txcmd_txdp = priv->FirstTxDesc << 13; + TXDES_addr = TXDES0 + (priv->FirstTxDesc << 2); + + OUTW (dev, (txcmd_txdp | length | TX_START_WRITE), TXCMD); + + /* Comput access times */ + count = (length + priv->PadSize) >> priv->BusWidth; + + for (i = 0; i < count; i++) { + WRITE_TXBUF (dev, *(txdata + i)); + } + + OUTW (dev, txcmd_txdp | length, TXCMD); + OUTW (dev, txbs_txdp, TXBS); + OUTW (dev, (TXDPx_ENABLE | length), TXDES_addr); + + priv->NextTxDesc = (priv->NextTxDesc + 1) & TXDP_MASK; + + /* + * Check the available transmit descriptor, if we had exhausted all + * transmit descriptor ,then we have to wait for at least one free + * descriptor + */ + txbs_txdp = 1 << priv->NextTxDesc; + tmp_data = INW (dev, TXBS); + + if (tmp_data & txbs_txdp) { + if (ax88180_poll_tx_complete (dev) < 0) { + ax88180_mac_reset (dev); + priv->FirstTxDesc = TXDP0; + priv->NextTxDesc = TXDP0; + printf ("ax88180: Transmit time out occurred!\n"); + } + } + + return 0; +} + +static void ax88180_read_mac_addr (struct eth_device *dev) +{ + unsigned short macid0_val, macid1_val, macid2_val; + unsigned short tmp_regval; + unsigned short i; + + /* Reload MAC address from EEPROM */ + OUTW (dev, RELOAD_EEPROM, PROMCTRL); + + /* Waiting for reload eeprom completion */ + for (i = 0; i < 500; i++) { + tmp_regval = INW (dev, PROMCTRL); + if ((tmp_regval & RELOAD_EEPROM) == 0) + break; + udelay (1000); + } + + /* Get MAC addresses */ + macid0_val = INW (dev, MACID0); + macid1_val = INW (dev, MACID1); + macid2_val = INW (dev, MACID2); + + if (((macid0_val | macid1_val | macid2_val) != 0) && + ((macid0_val & 0x01) == 0)) { + dev->enetaddr[0] = (unsigned char)macid0_val; + dev->enetaddr[1] = (unsigned char)(macid0_val >> 8); + dev->enetaddr[2] = (unsigned char)macid1_val; + dev->enetaddr[3] = (unsigned char)(macid1_val >> 8); + dev->enetaddr[4] = (unsigned char)macid2_val; + dev->enetaddr[5] = (unsigned char)(macid2_val >> 8); + } +} + +/* +=========================================================================== +<<<<<< Exported SubProgram Bodies >>>>>> +=========================================================================== +*/ +int ax88180_initialize (bd_t * bis) +{ + struct eth_device *dev; + struct ax88180_private *priv; + + dev = (struct eth_device *)malloc (sizeof *dev); + + if (NULL == dev) + return 0; + + memset (dev, 0, sizeof *dev); + + priv = (struct ax88180_private *)malloc (sizeof (*priv)); + + if (NULL == priv) + return 0; + + memset (priv, 0, sizeof *priv); + + sprintf (dev->name, "ax88180"); + dev->iobase = AX88180_BASE; + dev->priv = priv; + dev->init = ax88180_init; + dev->halt = ax88180_halt; + dev->send = ax88180_send; + dev->recv = ax88180_recv; + + priv->BusWidth = BUS_WIDTH_32; + priv->PadSize = 3; +#if defined (CONFIG_DRIVER_AX88180_16BIT) + OUTW (dev, (START_BASE >> 8), BASE); + OUTW (dev, DECODE_EN, DECODE); + + priv->BusWidth = BUS_WIDTH_16; + priv->PadSize = 1; +#endif + + ax88180_mac_reset (dev); + + /* Disable interrupt */ + OUTW (dev, CLEAR_IMR, IMR); + + /* Disable AX88180 TX/RX functions */ + OUTW (dev, WAKEMOD, CMD); + + ax88180_read_mac_addr (dev); + + eth_register (dev); + + return ax88180_phy_initial (dev); + +} diff --git a/drivers/net/ax88180.h b/drivers/net/ax88180.h new file mode 100644 index 0000000..5254e7d --- /dev/null +++ b/drivers/net/ax88180.h @@ -0,0 +1,412 @@ +/* ax88180.h: ASIX AX88180 Non-PCI Gigabit Ethernet u-boot driver */ +/* + * + * 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 + * published by the Free Software Foundation. + * + * This program is distributed in the hope 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., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + */ + +#ifndef _AX88180_H_ +#define _AX88180_H_ + +#include <asm/types.h> +#include <config.h> + +typedef enum _ax88180_link_state { + INS_LINK_DOWN, + INS_LINK_UP, + INS_LINK_UNKNOWN +} ax88180_link_state; + +struct ax88180_private { + unsigned char BusWidth; + unsigned char PadSize; + unsigned short PhyAddr; + unsigned short PhyID0; + unsigned short FirstTxDesc; + unsigned short NextTxDesc; + ax88180_link_state LinkState; +}; + +#define BUS_WIDTH_16 1 +#define BUS_WIDTH_32 2 + +#define ENABLE_JUMBO 1 +#define DISABLE_JUMBO 0 + +#define ENABLE_BURST 1 +#define DISABLE_BURST 0 + +#define NORMAL_RX_MODE 0 +#define RX_LOOPBACK_MODE 1 +#define RX_INIFINIT_LOOP_MODE 2 +#define TX_INIFINIT_LOOP_MODE 3 + +#define DEFAULT_ETH_MTU 1500 + +/* Jumbo packet size 4086 bytes included 4 bytes CRC*/ +#define MAX_JUMBO_MTU 4072 + +/* Max Tx Jumbo size 4086 bytes included 4 bytes CRC */ +#define MAX_TX_JUMBO_SIZE 4086 + +/* Max Rx Jumbo size is 15K Bytes */ +#define MAX_RX_SIZE 0x3C00 + +#define MARVELL_88E1111_PHYADDR 0x18 +#define MARVELL_88E1111_PHYIDR0 0x0141 + +#define CICADA_CIS8201_PHYADDR 0x01 +#define CICADA_CIS8201_PHYIDR0 0x000F + +#define MEDIA_AUTO 0 +#define MEDIA_1000FULL 1 +#define MEDIA_1000HALF 2 +#define MEDIA_100FULL 3 +#define MEDIA_100HALF 4 +#define MEDIA_10FULL 5 +#define MEDIA_10HALF 6 +#define MEDIA_UNKNOWN 7 + +#define AUTO_MEDIA 0 +#define FORCE_MEDIA 1 + +#define TXDP_MASK 3 +#define TXDP0 0 +#define TXDP1 1 +#define TXDP2 2 +#define TXDP3 3 + +#define CMD_MAP_SIZE 0x100 + +#if defined (CONFIG_DRIVER_AX88180_16BIT) + #define AX88180_MEMORY_SIZE 0x00004000 + #define START_BASE 0x1000 + + #define RX_BUF_SIZE 0x1000 + #define TX_BUF_SIZE 0x0F00 + + #define TX_BASE START_BASE + #define CMD_BASE (TX_BASE + TX_BUF_SIZE) + #define RX_BASE (CMD_BASE + CMD_MAP_SIZE) +#else + #define AX88180_MEMORY_SIZE 0x00010000 + + #define RX_BUF_SIZE 0x8000 + #define TX_BUF_SIZE 0x7C00 + + #define RX_BASE 0x0000 + #define TX_BASE (RX_BASE + RX_BUF_SIZE) + #define CMD_BASE (TX_BASE + TX_BUF_SIZE) +#endif + +/* AX88180 Memory Mapping Definition */ +#define RXBUFFER_START RX_BASE + #define RX_PACKET_LEN_OFFSET 0 + #define RX_PAGE_NUM_MASK 0x7FF /* RX pages 0~7FFh */ +#define TXBUFFER_START TX_BASE + +/* AX88180 MAC Register Definition */ +#define DECODE (0) + #define DECODE_EN 0x00000001 +#define BASE (6) +#define CMD (CMD_BASE + 0x0000) + #define WAKEMOD 0x00000001 + #define TXEN 0x00000100 + #define RXEN 0x00000200 + #define DEFAULT_CMD WAKEMOD +#define IMR (CMD_BASE + 0x0004) + #define IMR_RXBUFFOVR 0x00000001 + #define IMR_WATCHDOG 0x00000002 + #define IMR_TX 0x00000008 + #define IMR_RX 0x00000010 + #define IMR_PHY 0x00000020 + #define CLEAR_IMR 0x00000000 + #define DEFAULT_IMR (IMR_PHY | IMR_RX | IMR_TX |\ + IMR_RXBUFFOVR | IMR_WATCHDOG) +#define ISR (CMD_BASE + 0x0008) + #define ISR_RXBUFFOVR 0x00000001 + #define ISR_WATCHDOG 0x00000002 + #define ISR_TX 0x00000008 + #define ISR_RX 0x00000010 + #define ISR_PHY 0x00000020 +#define TXCFG (CMD_BASE + 0x0010) + #define AUTOPAD_CRC 0x00000050 + #define DEFAULT_TXCFG AUTOPAD_CRC +#define TXCMD (CMD_BASE + 0x0014) + #define TXCMD_TXDP_MASK 0x00006000 + #define TXCMD_TXDP0 0x00000000 + #define TXCMD_TXDP1 0x00002000 + #define TXCMD_TXDP2 0x00004000 + #define TXCMD_TXDP3 0x00006000 + #define TX_START_WRITE 0x00008000 + #define TX_STOP_WRITE 0x00000000 + #define DEFAULT_TXCMD 0x00000000 +#define TXBS (CMD_BASE + 0x0018) + #define TXDP0_USED 0x00000001 + #define TXDP1_USED 0x00000002 + #define TXDP2_USED 0x00000004 + #define TXDP3_USED 0x00000008 + #define DEFAULT_TXBS 0x00000000 +#define TXDES0 (CMD_BASE + 0x0020) + #define TXDPx_ENABLE 0x00008000 + #define TXDPx_LEN_MASK 0x00001FFF + #define DEFAULT_TXDES0 0x00000000 +#define TXDES1 (CMD_BASE + 0x0024) + #define TXDPx_ENABLE 0x00008000 + #define TXDPx_LEN_MASK 0x00001FFF + #define DEFAULT_TXDES1 0x00000000 +#define TXDES2 (CMD_BASE + 0x0028) + #define TXDPx_ENABLE 0x00008000 + #define TXDPx_LEN_MASK 0x00001FFF + #define DEFAULT_TXDES2 0x00000000 +#define TXDES3 (CMD_BASE + 0x002C) + #define TXDPx_ENABLE 0x00008000 + #define TXDPx_LEN_MASK 0x00001FFF + #define DEFAULT_TXDES3 0x00000000 +#define RXCFG (CMD_BASE + 0x0030) + #define RXBUFF_PROTECT 0x00000001 + #define RXTCPCRC_CHECK 0x00000010 + #define RXFLOW_ENABLE 0x00000100 + #define DEFAULT_RXCFG RXBUFF_PROTECT +#define RXCURT (CMD_BASE + 0x0034) + #define DEFAULT_RXCURT 0x00000000 +#define RXBOUND (CMD_BASE + 0x0038) + #define DEFAULT_RXBOUND 0x7FF //RX pages 0~7FFh +#define MACCFG0 (CMD_BASE + 0x0040) + #define MACCFG0_BIT3_0 0x00000007 + #define IPGT_VAL 0x00000150 + #define TXFLOW_ENABLE 0x00001000 + #define SPEED100 0x00008000 + #define DEFAULT_MACCFG0 (IPGT_VAL | MACCFG0_BIT3_0) +#define MACCFG1 (CMD_BASE + 0x0044) + #define RGMII_EN 0x00000002 + #define RXFLOW_EN 0x00000020 + #define FULLDUPLEX 0x00000040 + #define MAX_JUMBO_LEN 0x00000780 + #define RXJUMBO_EN 0x00000800 + #define GIGA_MODE_EN 0x00001000 + #define RXCRC_CHECK 0x00002000 + #define RXPAUSE_DA_CHECK 0x00004000 + + #define JUMBO_LEN_4K 0x00000200 + #define JUMBO_LEN_15K 0x00000780 + #define DEFAULT_MACCFG1 (RXCRC_CHECK | RXPAUSE_DA_CHECK | \ + RGMII_EN) + #define CICADA_DEFAULT_MACCFG1 (RXCRC_CHECK | RXPAUSE_DA_CHECK) +#define MACCFG2 (CMD_BASE + 0x0048) + #define MACCFG2_BIT15_8 0x00000100 + #define JAM_LIMIT_MASK 0x000000FC + #define DEFAULT_JAM_LIMIT 0x00000064 + #define DEFAULT_MACCFG2 MACCFG2_BIT15_8 +#define MACCFG3 (CMD_BASE + 0x004C) + #define IPGR2_VAL 0x0000000E + #define IPGR1_VAL 0x00000600 + #define NOABORT 0x00008000 + #define DEFAULT_MACCFG3 (IPGR1_VAL | IPGR2_VAL) +#define TXPAUT (CMD_BASE + 0x0054) + #define DEFAULT_TXPAUT 0x001FE000 +#define RXBTHD0 (CMD_BASE + 0x0058) + #define DEFAULT_RXBTHD0 0x00000300 +#define RXBTHD1 (CMD_BASE + 0x005C) + #define DEFAULT_RXBTHD1 0x00000600 +#define RXFULTHD (CMD_BASE + 0x0060) + #define DEFAULT_RXFULTHD 0x00000100 +#define MISC (CMD_BASE + 0x0068) + /* Normal operation mode */ + #define MISC_NORMAL 0x00000003 + /* Clear bit 0 to reset MAC */ + #define MISC_RESET_MAC 0x00000002 + /* Clear bit 1 to reset PHY */ + #define MISC_RESET_PHY 0x00000001 + /* Clear bit 0 and 1 to reset MAC and PHY */ + #define MISC_RESET_MAC_PHY 0x00000000 + #define DEFAULT_MISC MISC_NORMAL +#define MACID0 (CMD_BASE + 0x0070) +#define MACID1 (CMD_BASE + 0x0074) +#define MACID2 (CMD_BASE + 0x0078) +#define TXLEN (CMD_BASE + 0x007C) + #define DEFAULT_TXLEN 0x000005FC +#define RXFILTER (CMD_BASE + 0x0080) + #define RX_RXANY 0x00000001 + #define RX_MULTICAST 0x00000002 + #define RX_UNICAST 0x00000004 + #define RX_BROADCAST 0x00000008 + #define RX_MULTI_HASH 0x00000010 + #define DISABLE_RXFILTER 0x00000000 + #define DEFAULT_RXFILTER (RX_BROADCAST + RX_UNICAST) +#define MDIOCTRL (CMD_BASE + 0x0084) + #define PHY_ADDR_MASK 0x0000001F + #define REG_ADDR_MASK 0x00001F00 + #define READ_PHY 0x00004000 + #define WRITE_PHY 0x00008000 +#define MDIODP (CMD_BASE + 0x0088) +#define GPIOCTRL (CMD_BASE + 0x008C) +#define RXINDICATOR (CMD_BASE + 0x0090) + #define RX_START_READ 0x00000001 + #define RX_STOP_READ 0x00000000 + #define DEFAULT_RXINDICATOR RX_STOP_READ +#define TXST (CMD_BASE + 0x0094) +#define MDCCLKPAT (CMD_BASE + 0x00A0) +#define RXIPCRCCNT (CMD_BASE + 0x00A4) +#define RXCRCCNT (CMD_BASE + 0x00A8) +#define TXFAILCNT (CMD_BASE + 0x00AC) +#define PROMDP (CMD_BASE + 0x00B0) +#define PROMCTRL (CMD_BASE + 0x00B4) + #define RELOAD_EEPROM 0x00000200 +#define MAXRXLEN (CMD_BASE + 0x00B8) +#define HASHTAB0 (CMD_BASE + 0x00C0) +#define HASHTAB1 (CMD_BASE + 0x00C4) +#define HASHTAB2 (CMD_BASE + 0x00C8) +#define HASHTAB3 (CMD_BASE + 0x00CC) +#define DOGTHD0 (CMD_BASE + 0x00E0) + #define DEFAULT_DOGTHD0 0x0000FFFF +#define DOGTHD1 (CMD_BASE + 0x00E4) + #define START_WATCHDOG_TIMER 0x00008000 + #define DEFAULT_DOGTHD1 0x00000FFF +#define SOFTRST (CMD_BASE + 0x00EC) + #define SOFTRST_NORMAL 0x00000003 + #define SOFTRST_RESET_MAC 0x00000002 + +/* External PHY Register Definition */ +#define BMCR 0x0000 + #define LINE_SPEED_MSB 0x0040 + #define DUPLEX_MODE 0x0100 + #define RESTART_AUTONEG 0x0200 + #define POWER_DOWN 0x0800 + #define AUTONEG_EN 0x1000 + #define LINE_SPEED_LSB 0x2000 + #define PHY_RESET 0x8000 + + #define MEDIAMODE_MASK (LINE_SPEED_MSB | LINE_SPEED_LSB |\ + DUPLEX_MODE) + #define BMCR_SPEED_1000 LINE_SPEED_MSB + #define BMCR_SPEED_100 LINE_SPEED_LSB + #define BMCR_SPEED_10 0x0000 + + #define BMCR_1000FULL (BMCR_SPEED_1000 | DUPLEX_MODE) + #define BMCR_100FULL (BMCR_SPEED_100 | DUPLEX_MODE) + #define BMCR_100HALF BMCR_SPEED_100 + #define BMCR_10FULL DUPLEX_MODE + #define BMCR_10HALF 0x0000 +#define BMSR 0x0001 + #define LINKOK 0x0004 + #define AUTONEG_ENABLE_STS 0x0008 + #define AUTONEG_COMPLETE 0x0020 +#define PHYIDR0 0x0002 +#define PHYIDR1 0x0003 +#define ANAR 0x0004 + #define ANAR_PAUSE 0x0400 + #define ANAR_100FULL 0x0100 + #define ANAR_100HALF 0x0080 + #define ANAR_10FULL 0x0040 + #define ANAR_10HALF 0x0020 + #define ANAR_8023BIT 0x0001 +#define ANLPAR 0x0005 +#define ANER 0x0006 +#define AUX_1000_CTRL 0x0009 + #define ENABLE_1000HALF 0x0100 + #define ENABLE_1000FULL 0x0200 + #define DEFAULT_AUX_1000_CTRL (ENABLE_1000HALF | ENABLE_1000FULL) +#define AUX_1000_STATUS 0x000A + #define LP_1000HALF 0x0400 + #define LP_1000FULL 0x0800 + +/* Marvell 88E1111 Gigabit PHY Register Definition */ +#define M88_SSR 0x0011 + #define SSR_SPEED_MASK 0xC000 + #define SSR_SPEED_1000 0x8000 + #define SSR_SPEED_100 0x4000 + #define SSR_SPEED_10 0x0000 + #define SSR_DUPLEX 0x2000 + #define SSR_MEDIA_RESOLVED_OK 0x0800 + + #define SSR_MEDIA_MASK (SSR_SPEED_MASK | SSR_DUPLEX) + #define SSR_1000FULL (SSR_SPEED_1000 | SSR_DUPLEX) + #define SSR_1000HALF SSR_SPEED_1000 + #define SSR_100FULL (SSR_SPEED_100 | SSR_DUPLEX) + #define SSR_100HALF SSR_SPEED_100 + #define SSR_10FULL (SSR_SPEED_10 | SSR_DUPLEX) + #define SSR_10HALF SSR_SPEED_10 +#define M88_IER 0x0012 + #define LINK_CHANGE_INT 0x0400 +#define M88_ISR 0x0013 + #define LINK_CHANGE_STATUS 0x0400 +#define M88_EXT_SCR 0x0014 + #define RGMII_RXCLK_DELAY 0x0080 + #define RGMII_TXCLK_DELAY 0x0002 + #define DEFAULT_EXT_SCR (RGMII_TXCLK_DELAY | RGMII_RXCLK_DELAY) +#define M88_EXT_SSR 0x001B + #define HWCFG_MODE_MASK 0x000F + #define RGMII_COPPER_MODE 0x000B + +/* CICADA CIS8201 Gigabit PHY Register Definition */ +#define CIS_IMR 0x0019 + #define CIS_INT_ENABLE 0x8000 + #define CIS_LINK_CHANGE_INT 0x2000 +#define CIS_ISR 0x001A + #define CIS_INT_PENDING 0x8000 + #define CIS_LINK_CHANGE_STATUS 0x2000 +#define CIS_AUX_CTRL_STATUS 0x001C + #define CIS_AUTONEG_COMPLETE 0x8000 + #define CIS_SPEED_MASK 0x0018 + #define CIS_SPEED_1000 0x0010 + #define CIS_SPEED_100 0x0008 + #define CIS_SPEED_10 0x0000 + #define CIS_DUPLEX 0x0020 + + #define CIS_MEDIA_MASK (CIS_SPEED_MASK | CIS_DUPLEX) + #define CIS_1000FULL (CIS_SPEED_1000 | CIS_DUPLEX) + #define CIS_1000HALF CIS_SPEED_1000 + #define CIS_100FULL (CIS_SPEED_100 | CIS_DUPLEX) + #define CIS_100HALF CIS_SPEED_100 + #define CIS_10FULL (CIS_SPEED_10 | CIS_DUPLEX) + #define CIS_10HALF CIS_SPEED_10 + #define CIS_SMI_PRIORITY 0x0004 + +static inline unsigned short INW (struct eth_device *dev, unsigned long addr) +{ + return le16_to_cpu (*(volatile unsigned short *) (addr + dev->iobase)); +} + +static inline void OUTW (struct eth_device *dev, unsigned short command, unsigned long addr) +{ + *(volatile unsigned short *) ((addr + dev->iobase)) = cpu_to_le16 (command); +} + +/* + Access RXBUFFER_START/TXBUFFER_START to read RX buffer/write TX buffer +*/ +#if defined (CONFIG_DRIVER_AX88180_16BIT) +static inline unsigned short READ_RXBUF (struct eth_device *dev) +{ + return le16_to_cpu (*(volatile unsigned short *) (RXBUFFER_START + dev->iobase)); +} + +static inline void WRITE_TXBUF (struct eth_device *dev, unsigned short data) +{ + *(volatile unsigned short *) ((TXBUFFER_START + dev->iobase)) = cpu_to_le16 (data); +} +#else +static inline unsigned long READ_RXBUF (struct eth_device *dev) +{ + return le32_to_cpu (*(volatile unsigned long *) (RXBUFFER_START + dev->iobase)); +} + +static inline void WRITE_TXBUF (struct eth_device *dev, unsigned long data) +{ + *(volatile unsigned long *) ((TXBUFFER_START + dev->iobase)) = cpu_to_le32 (data); +} +#endif + +#endif /* _AX88180_H_ */