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-rw-r--r--drivers/net/tsec.c1590
1 files changed, 1590 insertions, 0 deletions
diff --git a/drivers/net/tsec.c b/drivers/net/tsec.c
new file mode 100644
index 0000000..ca6284b
--- /dev/null
+++ b/drivers/net/tsec.c
@@ -0,0 +1,1590 @@
+/*
+ * Freescale Three Speed Ethernet Controller driver
+ *
+ * This software may be used and distributed according to the
+ * terms of the GNU Public License, Version 2, incorporated
+ * herein by reference.
+ *
+ * Copyright 2004, 2007 Freescale Semiconductor, Inc.
+ * (C) Copyright 2003, Motorola, Inc.
+ * author Andy Fleming
+ *
+ */
+
+#include <config.h>
+#include <common.h>
+#include <malloc.h>
+#include <net.h>
+#include <command.h>
+
+#if defined(CONFIG_TSEC_ENET)
+#include "tsec.h"
+#include "miiphy.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define TX_BUF_CNT 2
+
+static uint rxIdx; /* index of the current RX buffer */
+static uint txIdx; /* index of the current TX buffer */
+
+typedef volatile struct rtxbd {
+ txbd8_t txbd[TX_BUF_CNT];
+ rxbd8_t rxbd[PKTBUFSRX];
+} RTXBD;
+
+struct tsec_info_struct {
+ unsigned int phyaddr;
+ u32 flags;
+ unsigned int phyregidx;
+};
+
+/* The tsec_info structure contains 3 values which the
+ * driver uses to determine how to operate a given ethernet
+ * device. The information needed is:
+ * phyaddr - The address of the PHY which is attached to
+ * the given device.
+ *
+ * flags - This variable indicates whether the device
+ * supports gigabit speed ethernet, and whether it should be
+ * in reduced mode.
+ *
+ * phyregidx - This variable specifies which ethernet device
+ * controls the MII Management registers which are connected
+ * to the PHY. For now, only TSEC1 (index 0) has
+ * access to the PHYs, so all of the entries have "0".
+ *
+ * The values specified in the table are taken from the board's
+ * config file in include/configs/. When implementing a new
+ * board with ethernet capability, it is necessary to define:
+ * TSECn_PHY_ADDR
+ * TSECn_PHYIDX
+ *
+ * for n = 1,2,3, etc. And for FEC:
+ * FEC_PHY_ADDR
+ * FEC_PHYIDX
+ */
+static struct tsec_info_struct tsec_info[] = {
+#ifdef CONFIG_TSEC1
+ {TSEC1_PHY_ADDR, TSEC1_FLAGS, TSEC1_PHYIDX},
+#else
+ {0, 0, 0},
+#endif
+#ifdef CONFIG_TSEC2
+ {TSEC2_PHY_ADDR, TSEC2_FLAGS, TSEC2_PHYIDX},
+#else
+ {0, 0, 0},
+#endif
+#ifdef CONFIG_MPC85XX_FEC
+ {FEC_PHY_ADDR, FEC_FLAGS, FEC_PHYIDX},
+#else
+#ifdef CONFIG_TSEC3
+ {TSEC3_PHY_ADDR, TSEC3_FLAGS, TSEC3_PHYIDX},
+#else
+ {0, 0, 0},
+#endif
+#ifdef CONFIG_TSEC4
+ {TSEC4_PHY_ADDR, TSEC4_FLAGS, TSEC4_PHYIDX},
+#else
+ {0, 0, 0},
+#endif /* CONFIG_TSEC4 */
+#endif /* CONFIG_MPC85XX_FEC */
+};
+
+#define MAXCONTROLLERS (4)
+
+static int relocated = 0;
+
+static struct tsec_private *privlist[MAXCONTROLLERS];
+
+#ifdef __GNUC__
+static RTXBD rtx __attribute__ ((aligned(8)));
+#else
+#error "rtx must be 64-bit aligned"
+#endif
+
+static int tsec_send(struct eth_device *dev,
+ volatile void *packet, int length);
+static int tsec_recv(struct eth_device *dev);
+static int tsec_init(struct eth_device *dev, bd_t * bd);
+static void tsec_halt(struct eth_device *dev);
+static void init_registers(volatile tsec_t * regs);
+static void startup_tsec(struct eth_device *dev);
+static int init_phy(struct eth_device *dev);
+void write_phy_reg(struct tsec_private *priv, uint regnum, uint value);
+uint read_phy_reg(struct tsec_private *priv, uint regnum);
+struct phy_info *get_phy_info(struct eth_device *dev);
+void phy_run_commands(struct tsec_private *priv, struct phy_cmd *cmd);
+static void adjust_link(struct eth_device *dev);
+static void relocate_cmds(void);
+#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) \
+ && !defined(BITBANGMII)
+static int tsec_miiphy_write(char *devname, unsigned char addr,
+ unsigned char reg, unsigned short value);
+static int tsec_miiphy_read(char *devname, unsigned char addr,
+ unsigned char reg, unsigned short *value);
+#endif
+#ifdef CONFIG_MCAST_TFTP
+static int tsec_mcast_addr (struct eth_device *dev, u8 mcast_mac, u8 set);
+#endif
+
+/* Initialize device structure. Returns success if PHY
+ * initialization succeeded (i.e. if it recognizes the PHY)
+ */
+int tsec_initialize(bd_t * bis, int index, char *devname)
+{
+ struct eth_device *dev;
+ int i;
+ struct tsec_private *priv;
+
+ dev = (struct eth_device *)malloc(sizeof *dev);
+
+ if (NULL == dev)
+ return 0;
+
+ memset(dev, 0, sizeof *dev);
+
+ priv = (struct tsec_private *)malloc(sizeof(*priv));
+
+ if (NULL == priv)
+ return 0;
+
+ privlist[index] = priv;
+ priv->regs = (volatile tsec_t *)(TSEC_BASE_ADDR + index * TSEC_SIZE);
+ priv->phyregs = (volatile tsec_t *)(TSEC_BASE_ADDR +
+ tsec_info[index].phyregidx *
+ TSEC_SIZE);
+
+ priv->phyaddr = tsec_info[index].phyaddr;
+ priv->flags = tsec_info[index].flags;
+
+ sprintf(dev->name, devname);
+ dev->iobase = 0;
+ dev->priv = priv;
+ dev->init = tsec_init;
+ dev->halt = tsec_halt;
+ dev->send = tsec_send;
+ dev->recv = tsec_recv;
+#ifdef CONFIG_MCAST_TFTP
+ dev->mcast = tsec_mcast_addr;
+#endif
+
+ /* Tell u-boot to get the addr from the env */
+ for (i = 0; i < 6; i++)
+ dev->enetaddr[i] = 0;
+
+ eth_register(dev);
+
+ /* Reset the MAC */
+ priv->regs->maccfg1 |= MACCFG1_SOFT_RESET;
+ priv->regs->maccfg1 &= ~(MACCFG1_SOFT_RESET);
+
+#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) \
+ && !defined(BITBANGMII)
+ miiphy_register(dev->name, tsec_miiphy_read, tsec_miiphy_write);
+#endif
+
+ /* Try to initialize PHY here, and return */
+ return init_phy(dev);
+}
+
+/* Initializes data structures and registers for the controller,
+ * and brings the interface up. Returns the link status, meaning
+ * that it returns success if the link is up, failure otherwise.
+ * This allows u-boot to find the first active controller.
+ */
+int tsec_init(struct eth_device *dev, bd_t * bd)
+{
+ uint tempval;
+ char tmpbuf[MAC_ADDR_LEN];
+ int i;
+ struct tsec_private *priv = (struct tsec_private *)dev->priv;
+ volatile tsec_t *regs = priv->regs;
+
+ /* Make sure the controller is stopped */
+ tsec_halt(dev);
+
+ /* Init MACCFG2. Defaults to GMII */
+ regs->maccfg2 = MACCFG2_INIT_SETTINGS;
+
+ /* Init ECNTRL */
+ regs->ecntrl = ECNTRL_INIT_SETTINGS;
+
+ /* Copy the station address into the address registers.
+ * Backwards, because little endian MACS are dumb */
+ for (i = 0; i < MAC_ADDR_LEN; i++) {
+ tmpbuf[MAC_ADDR_LEN - 1 - i] = dev->enetaddr[i];
+ }
+ regs->macstnaddr1 = *((uint *) (tmpbuf));
+
+ tempval = *((uint *) (tmpbuf + 4));
+
+ regs->macstnaddr2 = tempval;
+
+ /* reset the indices to zero */
+ rxIdx = 0;
+ txIdx = 0;
+
+ /* Clear out (for the most part) the other registers */
+ init_registers(regs);
+
+ /* Ready the device for tx/rx */
+ startup_tsec(dev);
+
+ /* If there's no link, fail */
+ return priv->link;
+
+}
+
+/* Write value to the device's PHY through the registers
+ * specified in priv, modifying the register specified in regnum.
+ * It will wait for the write to be done (or for a timeout to
+ * expire) before exiting
+ */
+void write_phy_reg(struct tsec_private *priv, uint regnum, uint value)
+{
+ volatile tsec_t *regbase = priv->phyregs;
+ uint phyid = priv->phyaddr;
+ int timeout = 1000000;
+
+ regbase->miimadd = (phyid << 8) | regnum;
+ regbase->miimcon = value;
+ asm("sync");
+
+ timeout = 1000000;
+ while ((regbase->miimind & MIIMIND_BUSY) && timeout--) ;
+}
+
+/* Reads register regnum on the device's PHY through the
+ * registers specified in priv. It lowers and raises the read
+ * command, and waits for the data to become valid (miimind
+ * notvalid bit cleared), and the bus to cease activity (miimind
+ * busy bit cleared), and then returns the value
+ */
+uint read_phy_reg(struct tsec_private *priv, uint regnum)
+{
+ uint value;
+ volatile tsec_t *regbase = priv->phyregs;
+ uint phyid = priv->phyaddr;
+
+ /* Put the address of the phy, and the register
+ * number into MIIMADD */
+ regbase->miimadd = (phyid << 8) | regnum;
+
+ /* Clear the command register, and wait */
+ regbase->miimcom = 0;
+ asm("sync");
+
+ /* Initiate a read command, and wait */
+ regbase->miimcom = MIIM_READ_COMMAND;
+ asm("sync");
+
+ /* Wait for the the indication that the read is done */
+ while ((regbase->miimind & (MIIMIND_NOTVALID | MIIMIND_BUSY))) ;
+
+ /* Grab the value read from the PHY */
+ value = regbase->miimstat;
+
+ return value;
+}
+
+/* Discover which PHY is attached to the device, and configure it
+ * properly. If the PHY is not recognized, then return 0
+ * (failure). Otherwise, return 1
+ */
+static int init_phy(struct eth_device *dev)
+{
+ struct tsec_private *priv = (struct tsec_private *)dev->priv;
+ struct phy_info *curphy;
+ volatile tsec_t *regs = (volatile tsec_t *)(TSEC_BASE_ADDR);
+
+ /* Assign a Physical address to the TBI */
+ regs->tbipa = CFG_TBIPA_VALUE;
+ regs = (volatile tsec_t *)(TSEC_BASE_ADDR + TSEC_SIZE);
+ regs->tbipa = CFG_TBIPA_VALUE;
+ asm("sync");
+
+ /* Reset MII (due to new addresses) */
+ priv->phyregs->miimcfg = MIIMCFG_RESET;
+ asm("sync");
+ priv->phyregs->miimcfg = MIIMCFG_INIT_VALUE;
+ asm("sync");
+ while (priv->phyregs->miimind & MIIMIND_BUSY) ;
+
+ if (0 == relocated)
+ relocate_cmds();
+
+ /* Get the cmd structure corresponding to the attached
+ * PHY */
+ curphy = get_phy_info(dev);
+
+ if (curphy == NULL) {
+ priv->phyinfo = NULL;
+ printf("%s: No PHY found\n", dev->name);
+
+ return 0;
+ }
+
+ priv->phyinfo = curphy;
+
+ phy_run_commands(priv, priv->phyinfo->config);
+
+ return 1;
+}
+
+/*
+ * Returns which value to write to the control register.
+ * For 10/100, the value is slightly different
+ */
+uint mii_cr_init(uint mii_reg, struct tsec_private * priv)
+{
+ if (priv->flags & TSEC_GIGABIT)
+ return MIIM_CONTROL_INIT;
+ else
+ return MIIM_CR_INIT;
+}
+
+/* Parse the status register for link, and then do
+ * auto-negotiation
+ */
+uint mii_parse_sr(uint mii_reg, struct tsec_private * priv)
+{
+ /*
+ * Wait if the link is up, and autonegotiation is in progress
+ * (ie - we're capable and it's not done)
+ */
+ mii_reg = read_phy_reg(priv, MIIM_STATUS);
+ if ((mii_reg & MIIM_STATUS_LINK) && (mii_reg & PHY_BMSR_AUTN_ABLE)
+ && !(mii_reg & PHY_BMSR_AUTN_COMP)) {
+ int i = 0;
+
+ puts("Waiting for PHY auto negotiation to complete");
+ while (!(mii_reg & PHY_BMSR_AUTN_COMP)) {
+ /*
+ * Timeout reached ?
+ */
+ if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
+ puts(" TIMEOUT !\n");
+ priv->link = 0;
+ return 0;
+ }
+
+ if ((i++ % 1000) == 0) {
+ putc('.');
+ }
+ udelay(1000); /* 1 ms */
+ mii_reg = read_phy_reg(priv, MIIM_STATUS);
+ }
+ puts(" done\n");
+ priv->link = 1;
+ udelay(500000); /* another 500 ms (results in faster booting) */
+ } else {
+ if (mii_reg & MIIM_STATUS_LINK)
+ priv->link = 1;
+ else
+ priv->link = 0;
+ }
+
+ return 0;
+}
+
+/* Generic function which updates the speed and duplex. If
+ * autonegotiation is enabled, it uses the AND of the link
+ * partner's advertised capabilities and our advertised
+ * capabilities. If autonegotiation is disabled, we use the
+ * appropriate bits in the control register.
+ *
+ * Stolen from Linux's mii.c and phy_device.c
+ */
+uint mii_parse_link(uint mii_reg, struct tsec_private *priv)
+{
+ /* We're using autonegotiation */
+ if (mii_reg & PHY_BMSR_AUTN_ABLE) {
+ uint lpa = 0;
+ uint gblpa = 0;
+
+ /* Check for gigabit capability */
+ if (mii_reg & PHY_BMSR_EXT) {
+ /* We want a list of states supported by
+ * both PHYs in the link
+ */
+ gblpa = read_phy_reg(priv, PHY_1000BTSR);
+ gblpa &= read_phy_reg(priv, PHY_1000BTCR) << 2;
+ }
+
+ /* Set the baseline so we only have to set them
+ * if they're different
+ */
+ priv->speed = 10;
+ priv->duplexity = 0;
+
+ /* Check the gigabit fields */
+ if (gblpa & (PHY_1000BTSR_1000FD | PHY_1000BTSR_1000HD)) {
+ priv->speed = 1000;
+
+ if (gblpa & PHY_1000BTSR_1000FD)
+ priv->duplexity = 1;
+
+ /* We're done! */
+ return 0;
+ }
+
+ lpa = read_phy_reg(priv, PHY_ANAR);
+ lpa &= read_phy_reg(priv, PHY_ANLPAR);
+
+ if (lpa & (PHY_ANLPAR_TXFD | PHY_ANLPAR_TX)) {
+ priv->speed = 100;
+
+ if (lpa & PHY_ANLPAR_TXFD)
+ priv->duplexity = 1;
+
+ } else if (lpa & PHY_ANLPAR_10FD)
+ priv->duplexity = 1;
+ } else {
+ uint bmcr = read_phy_reg(priv, PHY_BMCR);
+
+ priv->speed = 10;
+ priv->duplexity = 0;
+
+ if (bmcr & PHY_BMCR_DPLX)
+ priv->duplexity = 1;
+
+ if (bmcr & PHY_BMCR_1000_MBPS)
+ priv->speed = 1000;
+ else if (bmcr & PHY_BMCR_100_MBPS)
+ priv->speed = 100;
+ }
+
+ return 0;
+}
+
+/*
+ * Parse the BCM54xx status register for speed and duplex information.
+ * The linux sungem_phy has this information, but in a table format.
+ */
+uint mii_parse_BCM54xx_sr(uint mii_reg, struct tsec_private *priv)
+{
+
+ switch((mii_reg & MIIM_BCM54xx_AUXSTATUS_LINKMODE_MASK) >> MIIM_BCM54xx_AUXSTATUS_LINKMODE_SHIFT){
+
+ case 1:
+ printf("Enet starting in 10BT/HD\n");
+ priv->duplexity = 0;
+ priv->speed = 10;
+ break;
+
+ case 2:
+ printf("Enet starting in 10BT/FD\n");
+ priv->duplexity = 1;
+ priv->speed = 10;
+ break;
+
+ case 3:
+ printf("Enet starting in 100BT/HD\n");
+ priv->duplexity = 0;
+ priv->speed = 100;
+ break;
+
+ case 5:
+ printf("Enet starting in 100BT/FD\n");
+ priv->duplexity = 1;
+ priv->speed = 100;
+ break;
+
+ case 6:
+ printf("Enet starting in 1000BT/HD\n");
+ priv->duplexity = 0;
+ priv->speed = 1000;
+ break;
+
+ case 7:
+ printf("Enet starting in 1000BT/FD\n");
+ priv->duplexity = 1;
+ priv->speed = 1000;
+ break;
+
+ default:
+ printf("Auto-neg error, defaulting to 10BT/HD\n");
+ priv->duplexity = 0;
+ priv->speed = 10;
+ break;
+ }
+
+ return 0;
+
+}
+/* Parse the 88E1011's status register for speed and duplex
+ * information
+ */
+uint mii_parse_88E1011_psr(uint mii_reg, struct tsec_private * priv)
+{
+ uint speed;
+
+ mii_reg = read_phy_reg(priv, MIIM_88E1011_PHY_STATUS);
+
+ if ((mii_reg & MIIM_88E1011_PHYSTAT_LINK) &&
+ !(mii_reg & MIIM_88E1011_PHYSTAT_SPDDONE)) {
+ int i = 0;
+
+ puts("Waiting for PHY realtime link");
+ while (!(mii_reg & MIIM_88E1011_PHYSTAT_SPDDONE)) {
+ /* Timeout reached ? */
+ if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
+ puts(" TIMEOUT !\n");
+ priv->link = 0;
+ break;
+ }
+
+ if ((i++ % 1000) == 0) {
+ putc('.');
+ }
+ udelay(1000); /* 1 ms */
+ mii_reg = read_phy_reg(priv, MIIM_88E1011_PHY_STATUS);
+ }
+ puts(" done\n");
+ udelay(500000); /* another 500 ms (results in faster booting) */
+ } else {
+ if (mii_reg & MIIM_88E1011_PHYSTAT_LINK)
+ priv->link = 1;
+ else
+ priv->link = 0;
+ }
+
+ if (mii_reg & MIIM_88E1011_PHYSTAT_DUPLEX)
+ priv->duplexity = 1;
+ else
+ priv->duplexity = 0;
+
+ speed = (mii_reg & MIIM_88E1011_PHYSTAT_SPEED);
+
+ switch (speed) {
+ case MIIM_88E1011_PHYSTAT_GBIT:
+ priv->speed = 1000;
+ break;
+ case MIIM_88E1011_PHYSTAT_100:
+ priv->speed = 100;
+ break;
+ default:
+ priv->speed = 10;
+ }
+
+ return 0;
+}
+
+/* Parse the cis8201's status register for speed and duplex
+ * information
+ */
+uint mii_parse_cis8201(uint mii_reg, struct tsec_private * priv)
+{
+ uint speed;
+
+ if (mii_reg & MIIM_CIS8201_AUXCONSTAT_DUPLEX)
+ priv->duplexity = 1;
+ else
+ priv->duplexity = 0;
+
+ speed = mii_reg & MIIM_CIS8201_AUXCONSTAT_SPEED;
+ switch (speed) {
+ case MIIM_CIS8201_AUXCONSTAT_GBIT:
+ priv->speed = 1000;
+ break;
+ case MIIM_CIS8201_AUXCONSTAT_100:
+ priv->speed = 100;
+ break;
+ default:
+ priv->speed = 10;
+ break;
+ }
+
+ return 0;
+}
+
+/* Parse the vsc8244's status register for speed and duplex
+ * information
+ */
+uint mii_parse_vsc8244(uint mii_reg, struct tsec_private * priv)
+{
+ uint speed;
+
+ if (mii_reg & MIIM_VSC8244_AUXCONSTAT_DUPLEX)
+ priv->duplexity = 1;
+ else
+ priv->duplexity = 0;
+
+ speed = mii_reg & MIIM_VSC8244_AUXCONSTAT_SPEED;
+ switch (speed) {
+ case MIIM_VSC8244_AUXCONSTAT_GBIT:
+ priv->speed = 1000;
+ break;
+ case MIIM_VSC8244_AUXCONSTAT_100:
+ priv->speed = 100;
+ break;
+ default:
+ priv->speed = 10;
+ break;
+ }
+
+ return 0;
+}
+
+/* Parse the DM9161's status register for speed and duplex
+ * information
+ */
+uint mii_parse_dm9161_scsr(uint mii_reg, struct tsec_private * priv)
+{
+ if (mii_reg & (MIIM_DM9161_SCSR_100F | MIIM_DM9161_SCSR_100H))
+ priv->speed = 100;
+ else
+ priv->speed = 10;
+
+ if (mii_reg & (MIIM_DM9161_SCSR_100F | MIIM_DM9161_SCSR_10F))
+ priv->duplexity = 1;
+ else
+ priv->duplexity = 0;
+
+ return 0;
+}
+
+/*
+ * Hack to write all 4 PHYs with the LED values
+ */
+uint mii_cis8204_fixled(uint mii_reg, struct tsec_private * priv)
+{
+ uint phyid;
+ volatile tsec_t *regbase = priv->phyregs;
+ int timeout = 1000000;
+
+ for (phyid = 0; phyid < 4; phyid++) {
+ regbase->miimadd = (phyid << 8) | mii_reg;
+ regbase->miimcon = MIIM_CIS8204_SLEDCON_INIT;
+ asm("sync");
+
+ timeout = 1000000;
+ while ((regbase->miimind & MIIMIND_BUSY) && timeout--) ;
+ }
+
+ return MIIM_CIS8204_SLEDCON_INIT;
+}
+
+uint mii_cis8204_setmode(uint mii_reg, struct tsec_private * priv)
+{
+ if (priv->flags & TSEC_REDUCED)
+ return MIIM_CIS8204_EPHYCON_INIT | MIIM_CIS8204_EPHYCON_RGMII;
+ else
+ return MIIM_CIS8204_EPHYCON_INIT;
+}
+
+/* Initialized required registers to appropriate values, zeroing
+ * those we don't care about (unless zero is bad, in which case,
+ * choose a more appropriate value)
+ */
+static void init_registers(volatile tsec_t * regs)
+{
+ /* Clear IEVENT */
+ regs->ievent = IEVENT_INIT_CLEAR;
+
+ regs->imask = IMASK_INIT_CLEAR;
+
+ regs->hash.iaddr0 = 0;
+ regs->hash.iaddr1 = 0;
+ regs->hash.iaddr2 = 0;
+ regs->hash.iaddr3 = 0;
+ regs->hash.iaddr4 = 0;
+ regs->hash.iaddr5 = 0;
+ regs->hash.iaddr6 = 0;
+ regs->hash.iaddr7 = 0;
+
+ regs->hash.gaddr0 = 0;
+ regs->hash.gaddr1 = 0;
+ regs->hash.gaddr2 = 0;
+ regs->hash.gaddr3 = 0;
+ regs->hash.gaddr4 = 0;
+ regs->hash.gaddr5 = 0;
+ regs->hash.gaddr6 = 0;
+ regs->hash.gaddr7 = 0;
+
+ regs->rctrl = 0x00000000;
+
+ /* Init RMON mib registers */
+ memset((void *)&(regs->rmon), 0, sizeof(rmon_mib_t));
+
+ regs->rmon.cam1 = 0xffffffff;
+ regs->rmon.cam2 = 0xffffffff;
+
+ regs->mrblr = MRBLR_INIT_SETTINGS;
+
+ regs->minflr = MINFLR_INIT_SETTINGS;
+
+ regs->attr = ATTR_INIT_SETTINGS;
+ regs->attreli = ATTRELI_INIT_SETTINGS;
+
+}
+
+/* Configure maccfg2 based on negotiated speed and duplex
+ * reported by PHY handling code
+ */
+static void adjust_link(struct eth_device *dev)
+{
+ struct tsec_private *priv = (struct tsec_private *)dev->priv;
+ volatile tsec_t *regs = priv->regs;
+
+ if (priv->link) {
+ if (priv->duplexity != 0)
+ regs->maccfg2 |= MACCFG2_FULL_DUPLEX;
+ else
+ regs->maccfg2 &= ~(MACCFG2_FULL_DUPLEX);
+
+ switch (priv->speed) {
+ case 1000:
+ regs->maccfg2 = ((regs->maccfg2 & ~(MACCFG2_IF))
+ | MACCFG2_GMII);
+ break;
+ case 100:
+ case 10:
+ regs->maccfg2 = ((regs->maccfg2 & ~(MACCFG2_IF))
+ | MACCFG2_MII);
+
+ /* Set R100 bit in all modes although
+ * it is only used in RGMII mode
+ */
+ if (priv->speed == 100)
+ regs->ecntrl |= ECNTRL_R100;
+ else
+ regs->ecntrl &= ~(ECNTRL_R100);
+ break;
+ default:
+ printf("%s: Speed was bad\n", dev->name);
+ break;
+ }
+
+ printf("Speed: %d, %s duplex\n", priv->speed,
+ (priv->duplexity) ? "full" : "half");
+
+ } else {
+ printf("%s: No link.\n", dev->name);
+ }
+}
+
+/* Set up the buffers and their descriptors, and bring up the
+ * interface
+ */
+static void startup_tsec(struct eth_device *dev)
+{
+ int i;
+ struct tsec_private *priv = (struct tsec_private *)dev->priv;
+ volatile tsec_t *regs = priv->regs;
+
+ /* Point to the buffer descriptors */
+ regs->tbase = (unsigned int)(&rtx.txbd[txIdx]);
+ regs->rbase = (unsigned int)(&rtx.rxbd[rxIdx]);
+
+ /* Initialize the Rx Buffer descriptors */
+ for (i = 0; i < PKTBUFSRX; i++) {
+ rtx.rxbd[i].status = RXBD_EMPTY;
+ rtx.rxbd[i].length = 0;
+ rtx.rxbd[i].bufPtr = (uint) NetRxPackets[i];
+ }
+ rtx.rxbd[PKTBUFSRX - 1].status |= RXBD_WRAP;
+
+ /* Initialize the TX Buffer Descriptors */
+ for (i = 0; i < TX_BUF_CNT; i++) {
+ rtx.txbd[i].status = 0;
+ rtx.txbd[i].length = 0;
+ rtx.txbd[i].bufPtr = 0;
+ }
+ rtx.txbd[TX_BUF_CNT - 1].status |= TXBD_WRAP;
+
+ /* Start up the PHY */
+ if(priv->phyinfo)
+ phy_run_commands(priv, priv->phyinfo->startup);
+
+ adjust_link(dev);
+
+ /* Enable Transmit and Receive */
+ regs->maccfg1 |= (MACCFG1_RX_EN | MACCFG1_TX_EN);
+
+ /* Tell the DMA it is clear to go */
+ regs->dmactrl |= DMACTRL_INIT_SETTINGS;
+ regs->tstat = TSTAT_CLEAR_THALT;
+ regs->rstat = RSTAT_CLEAR_RHALT;
+ regs->dmactrl &= ~(DMACTRL_GRS | DMACTRL_GTS);
+}
+
+/* This returns the status bits of the device. The return value
+ * is never checked, and this is what the 8260 driver did, so we
+ * do the same. Presumably, this would be zero if there were no
+ * errors
+ */
+static int tsec_send(struct eth_device *dev, volatile void *packet, int length)
+{
+ int i;
+ int result = 0;
+ struct tsec_private *priv = (struct tsec_private *)dev->priv;
+ volatile tsec_t *regs = priv->regs;
+
+ /* Find an empty buffer descriptor */
+ for (i = 0; rtx.txbd[txIdx].status & TXBD_READY; i++) {
+ if (i >= TOUT_LOOP) {
+ debug("%s: tsec: tx buffers full\n", dev->name);
+ return result;
+ }
+ }
+
+ rtx.txbd[txIdx].bufPtr = (uint) packet;
+ rtx.txbd[txIdx].length = length;
+ rtx.txbd[txIdx].status |=
+ (TXBD_READY | TXBD_LAST | TXBD_CRC | TXBD_INTERRUPT);
+
+ /* Tell the DMA to go */
+ regs->tstat = TSTAT_CLEAR_THALT;
+
+ /* Wait for buffer to be transmitted */
+ for (i = 0; rtx.txbd[txIdx].status & TXBD_READY; i++) {
+ if (i >= TOUT_LOOP) {
+ debug("%s: tsec: tx error\n", dev->name);
+ return result;
+ }
+ }
+
+ txIdx = (txIdx + 1) % TX_BUF_CNT;
+ result = rtx.txbd[txIdx].status & TXBD_STATS;
+
+ return result;
+}
+
+static int tsec_recv(struct eth_device *dev)
+{
+ int length;
+ struct tsec_private *priv = (struct tsec_private *)dev->priv;
+ volatile tsec_t *regs = priv->regs;
+
+ while (!(rtx.rxbd[rxIdx].status & RXBD_EMPTY)) {
+
+ length = rtx.rxbd[rxIdx].length;
+
+ /* Send the packet up if there were no errors */
+ if (!(rtx.rxbd[rxIdx].status & RXBD_STATS)) {
+ NetReceive(NetRxPackets[rxIdx], length - 4);
+ } else {
+ printf("Got error %x\n",
+ (rtx.rxbd[rxIdx].status & RXBD_STATS));
+ }
+
+ rtx.rxbd[rxIdx].length = 0;
+
+ /* Set the wrap bit if this is the last element in the list */
+ rtx.rxbd[rxIdx].status =
+ RXBD_EMPTY | (((rxIdx + 1) == PKTBUFSRX) ? RXBD_WRAP : 0);
+
+ rxIdx = (rxIdx + 1) % PKTBUFSRX;
+ }
+
+ if (regs->ievent & IEVENT_BSY) {
+ regs->ievent = IEVENT_BSY;
+ regs->rstat = RSTAT_CLEAR_RHALT;
+ }
+
+ return -1;
+
+}
+
+/* Stop the interface */
+static void tsec_halt(struct eth_device *dev)
+{
+ struct tsec_private *priv = (struct tsec_private *)dev->priv;
+ volatile tsec_t *regs = priv->regs;
+
+ regs->dmactrl &= ~(DMACTRL_GRS | DMACTRL_GTS);
+ regs->dmactrl |= (DMACTRL_GRS | DMACTRL_GTS);
+
+ while (!(regs->ievent & (IEVENT_GRSC | IEVENT_GTSC))) ;
+
+ regs->maccfg1 &= ~(MACCFG1_TX_EN | MACCFG1_RX_EN);
+
+ /* Shut down the PHY, as needed */
+ if(priv->phyinfo)
+ phy_run_commands(priv, priv->phyinfo->shutdown);
+}
+
+struct phy_info phy_info_M88E1149S = {
+ 0x1410ca,
+ "Marvell 88E1149S",
+ 4,
+ (struct phy_cmd[]){ /* config */
+ /* Reset and configure the PHY */
+ {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
+ {0x1d, 0x1f, NULL},
+ {0x1e, 0x200c, NULL},
+ {0x1d, 0x5, NULL},
+ {0x1e, 0x0, NULL},
+ {0x1e, 0x100, NULL},
+ {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
+ {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
+ {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
+ {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
+ {miim_end,}
+ },
+ (struct phy_cmd[]){ /* startup */
+ /* Status is read once to clear old link state */
+ {MIIM_STATUS, miim_read, NULL},
+ /* Auto-negotiate */
+ {MIIM_STATUS, miim_read, &mii_parse_sr},
+ /* Read the status */
+ {MIIM_88E1011_PHY_STATUS, miim_read,
+ &mii_parse_88E1011_psr},
+ {miim_end,}
+ },
+ (struct phy_cmd[]){ /* shutdown */
+ {miim_end,}
+ },
+};
+
+/* The 5411 id is 0x206070, the 5421 is 0x2060e0 */
+struct phy_info phy_info_BCM5461S = {
+ 0x02060c1, /* 5461 ID */
+ "Broadcom BCM5461S",
+ 0, /* not clear to me what minor revisions we can shift away */
+ (struct phy_cmd[]) { /* config */
+ /* Reset and configure the PHY */
+ {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
+ {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
+ {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
+ {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
+ {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
+ {miim_end,}
+ },
+ (struct phy_cmd[]) { /* startup */
+ /* Status is read once to clear old link state */
+ {MIIM_STATUS, miim_read, NULL},
+ /* Auto-negotiate */
+ {MIIM_STATUS, miim_read, &mii_parse_sr},
+ /* Read the status */
+ {MIIM_BCM54xx_AUXSTATUS, miim_read, &mii_parse_BCM54xx_sr},
+ {miim_end,}
+ },
+ (struct phy_cmd[]) { /* shutdown */
+ {miim_end,}
+ },
+};
+
+struct phy_info phy_info_BCM5464S = {
+ 0x02060b1, /* 5464 ID */
+ "Broadcom BCM5464S",
+ 0, /* not clear to me what minor revisions we can shift away */
+ (struct phy_cmd[]) { /* config */
+ /* Reset and configure the PHY */
+ {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
+ {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
+ {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
+ {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
+ {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
+ {miim_end,}
+ },
+ (struct phy_cmd[]) { /* startup */
+ /* Status is read once to clear old link state */
+ {MIIM_STATUS, miim_read, NULL},
+ /* Auto-negotiate */
+ {MIIM_STATUS, miim_read, &mii_parse_sr},
+ /* Read the status */
+ {MIIM_BCM54xx_AUXSTATUS, miim_read, &mii_parse_BCM54xx_sr},
+ {miim_end,}
+ },
+ (struct phy_cmd[]) { /* shutdown */
+ {miim_end,}
+ },
+};
+
+struct phy_info phy_info_M88E1011S = {
+ 0x01410c6,
+ "Marvell 88E1011S",
+ 4,
+ (struct phy_cmd[]){ /* config */
+ /* Reset and configure the PHY */
+ {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
+ {0x1d, 0x1f, NULL},
+ {0x1e, 0x200c, NULL},
+ {0x1d, 0x5, NULL},
+ {0x1e, 0x0, NULL},
+ {0x1e, 0x100, NULL},
+ {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
+ {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
+ {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
+ {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
+ {miim_end,}
+ },
+ (struct phy_cmd[]){ /* startup */
+ /* Status is read once to clear old link state */
+ {MIIM_STATUS, miim_read, NULL},
+ /* Auto-negotiate */
+ {MIIM_STATUS, miim_read, &mii_parse_sr},
+ /* Read the status */
+ {MIIM_88E1011_PHY_STATUS, miim_read,
+ &mii_parse_88E1011_psr},
+ {miim_end,}
+ },
+ (struct phy_cmd[]){ /* shutdown */
+ {miim_end,}
+ },
+};
+
+struct phy_info phy_info_M88E1111S = {
+ 0x01410cc,
+ "Marvell 88E1111S",
+ 4,
+ (struct phy_cmd[]){ /* config */
+ /* Reset and configure the PHY */
+ {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
+ {0x14, 0x0cd2, NULL}, /* Delay RGMII TX and RX */
+ {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
+ {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
+ {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
+ {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
+ {miim_end,}
+ },
+ (struct phy_cmd[]){ /* startup */
+ /* Status is read once to clear old link state */
+ {MIIM_STATUS, miim_read, NULL},
+ /* Auto-negotiate */
+ {MIIM_STATUS, miim_read, &mii_parse_sr},
+ /* Read the status */
+ {MIIM_88E1011_PHY_STATUS, miim_read,
+ &mii_parse_88E1011_psr},
+ {miim_end,}
+ },
+ (struct phy_cmd[]){ /* shutdown */
+ {miim_end,}
+ },
+};
+
+static unsigned int m88e1145_setmode(uint mii_reg, struct tsec_private *priv)
+{
+ uint mii_data = read_phy_reg(priv, mii_reg);
+
+ /* Setting MIIM_88E1145_PHY_EXT_CR */
+ if (priv->flags & TSEC_REDUCED)
+ return mii_data |
+ MIIM_M88E1145_RGMII_RX_DELAY | MIIM_M88E1145_RGMII_TX_DELAY;
+ else
+ return mii_data;
+}
+
+static struct phy_info phy_info_M88E1145 = {
+ 0x01410cd,
+ "Marvell 88E1145",
+ 4,
+ (struct phy_cmd[]){ /* config */
+ /* Reset the PHY */
+ {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
+
+ /* Errata E0, E1 */
+ {29, 0x001b, NULL},
+ {30, 0x418f, NULL},
+ {29, 0x0016, NULL},
+ {30, 0xa2da, NULL},
+
+ /* Configure the PHY */
+ {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
+ {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
+ {MIIM_88E1011_PHY_SCR, MIIM_88E1011_PHY_MDI_X_AUTO,
+ NULL},
+ {MIIM_88E1145_PHY_EXT_CR, 0, &m88e1145_setmode},
+ {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
+ {MIIM_CONTROL, MIIM_CONTROL_INIT, NULL},
+ {miim_end,}
+ },
+ (struct phy_cmd[]){ /* startup */
+ /* Status is read once to clear old link state */
+ {MIIM_STATUS, miim_read, NULL},
+ /* Auto-negotiate */
+ {MIIM_STATUS, miim_read, &mii_parse_sr},
+ {MIIM_88E1111_PHY_LED_CONTROL,
+ MIIM_88E1111_PHY_LED_DIRECT, NULL},
+ /* Read the Status */
+ {MIIM_88E1011_PHY_STATUS, miim_read,
+ &mii_parse_88E1011_psr},
+ {miim_end,}
+ },
+ (struct phy_cmd[]){ /* shutdown */
+ {miim_end,}
+ },
+};
+
+struct phy_info phy_info_cis8204 = {
+ 0x3f11,
+ "Cicada Cis8204",
+ 6,
+ (struct phy_cmd[]){ /* config */
+ /* Override PHY config settings */
+ {MIIM_CIS8201_AUX_CONSTAT,
+ MIIM_CIS8201_AUXCONSTAT_INIT, NULL},
+ /* Configure some basic stuff */
+ {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
+ {MIIM_CIS8204_SLED_CON, MIIM_CIS8204_SLEDCON_INIT,
+ &mii_cis8204_fixled},
+ {MIIM_CIS8204_EPHY_CON, MIIM_CIS8204_EPHYCON_INIT,
+ &mii_cis8204_setmode},
+ {miim_end,}
+ },
+ (struct phy_cmd[]){ /* startup */
+ /* Read the Status (2x to make sure link is right) */
+ {MIIM_STATUS, miim_read, NULL},
+ /* Auto-negotiate */
+ {MIIM_STATUS, miim_read, &mii_parse_sr},
+ /* Read the status */
+ {MIIM_CIS8201_AUX_CONSTAT, miim_read,
+ &mii_parse_cis8201},
+ {miim_end,}
+ },
+ (struct phy_cmd[]){ /* shutdown */
+ {miim_end,}
+ },
+};
+
+/* Cicada 8201 */
+struct phy_info phy_info_cis8201 = {
+ 0xfc41,
+ "CIS8201",
+ 4,
+ (struct phy_cmd[]){ /* config */
+ /* Override PHY config settings */
+ {MIIM_CIS8201_AUX_CONSTAT,
+ MIIM_CIS8201_AUXCONSTAT_INIT, NULL},
+ /* Set up the interface mode */
+ {MIIM_CIS8201_EXT_CON1, MIIM_CIS8201_EXTCON1_INIT,
+ NULL},
+ /* Configure some basic stuff */
+ {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
+ {miim_end,}
+ },
+ (struct phy_cmd[]){ /* startup */
+ /* Read the Status (2x to make sure link is right) */
+ {MIIM_STATUS, miim_read, NULL},
+ /* Auto-negotiate */
+ {MIIM_STATUS, miim_read, &mii_parse_sr},
+ /* Read the status */
+ {MIIM_CIS8201_AUX_CONSTAT, miim_read,
+ &mii_parse_cis8201},
+ {miim_end,}
+ },
+ (struct phy_cmd[]){ /* shutdown */
+ {miim_end,}
+ },
+};
+struct phy_info phy_info_VSC8244 = {
+ 0x3f1b,
+ "Vitesse VSC8244",
+ 6,
+ (struct phy_cmd[]){ /* config */
+ /* Override PHY config settings */
+ /* Configure some basic stuff */
+ {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
+ {miim_end,}
+ },
+ (struct phy_cmd[]){ /* startup */
+ /* Read the Status (2x to make sure link is right) */
+ {MIIM_STATUS, miim_read, NULL},
+ /* Auto-negotiate */
+ {MIIM_STATUS, miim_read, &mii_parse_sr},
+ /* Read the status */
+ {MIIM_VSC8244_AUX_CONSTAT, miim_read,
+ &mii_parse_vsc8244},
+ {miim_end,}
+ },
+ (struct phy_cmd[]){ /* shutdown */
+ {miim_end,}
+ },
+};
+
+struct phy_info phy_info_dm9161 = {
+ 0x0181b88,
+ "Davicom DM9161E",
+ 4,
+ (struct phy_cmd[]){ /* config */
+ {MIIM_CONTROL, MIIM_DM9161_CR_STOP, NULL},
+ /* Do not bypass the scrambler/descrambler */
+ {MIIM_DM9161_SCR, MIIM_DM9161_SCR_INIT, NULL},
+ /* Clear 10BTCSR to default */
+ {MIIM_DM9161_10BTCSR, MIIM_DM9161_10BTCSR_INIT,
+ NULL},
+ /* Configure some basic stuff */
+ {MIIM_CONTROL, MIIM_CR_INIT, NULL},
+ /* Restart Auto Negotiation */
+ {MIIM_CONTROL, MIIM_DM9161_CR_RSTAN, NULL},
+ {miim_end,}
+ },
+ (struct phy_cmd[]){ /* startup */
+ /* Status is read once to clear old link state */
+ {MIIM_STATUS, miim_read, NULL},
+ /* Auto-negotiate */
+ {MIIM_STATUS, miim_read, &mii_parse_sr},
+ /* Read the status */
+ {MIIM_DM9161_SCSR, miim_read,
+ &mii_parse_dm9161_scsr},
+ {miim_end,}
+ },
+ (struct phy_cmd[]){ /* shutdown */
+ {miim_end,}
+ },
+};
+/* a generic flavor. */
+struct phy_info phy_info_generic = {
+ 0,
+ "Unknown/Generic PHY",
+ 32,
+ (struct phy_cmd[]) { /* config */
+ {PHY_BMCR, PHY_BMCR_RESET, NULL},
+ {PHY_BMCR, PHY_BMCR_AUTON|PHY_BMCR_RST_NEG, NULL},
+ {miim_end,}
+ },
+ (struct phy_cmd[]) { /* startup */
+ {PHY_BMSR, miim_read, NULL},
+ {PHY_BMSR, miim_read, &mii_parse_sr},
+ {PHY_BMSR, miim_read, &mii_parse_link},
+ {miim_end,}
+ },
+ (struct phy_cmd[]) { /* shutdown */
+ {miim_end,}
+ }
+};
+
+
+uint mii_parse_lxt971_sr2(uint mii_reg, struct tsec_private *priv)
+{
+ unsigned int speed;
+ if (priv->link) {
+ speed = mii_reg & MIIM_LXT971_SR2_SPEED_MASK;
+
+ switch (speed) {
+ case MIIM_LXT971_SR2_10HDX:
+ priv->speed = 10;
+ priv->duplexity = 0;
+ break;
+ case MIIM_LXT971_SR2_10FDX:
+ priv->speed = 10;
+ priv->duplexity = 1;
+ break;
+ case MIIM_LXT971_SR2_100HDX:
+ priv->speed = 100;
+ priv->duplexity = 0;
+ break;
+ default:
+ priv->speed = 100;
+ priv->duplexity = 1;
+ }
+ } else {
+ priv->speed = 0;
+ priv->duplexity = 0;
+ }
+
+ return 0;
+}
+
+static struct phy_info phy_info_lxt971 = {
+ 0x0001378e,
+ "LXT971",
+ 4,
+ (struct phy_cmd[]){ /* config */
+ {MIIM_CR, MIIM_CR_INIT, mii_cr_init}, /* autonegotiate */
+ {miim_end,}
+ },
+ (struct phy_cmd[]){ /* startup - enable interrupts */
+ /* { 0x12, 0x00f2, NULL }, */
+ {MIIM_STATUS, miim_read, NULL},
+ {MIIM_STATUS, miim_read, &mii_parse_sr},
+ {MIIM_LXT971_SR2, miim_read, &mii_parse_lxt971_sr2},
+ {miim_end,}
+ },
+ (struct phy_cmd[]){ /* shutdown - disable interrupts */
+ {miim_end,}
+ },
+};
+
+/* Parse the DP83865's link and auto-neg status register for speed and duplex
+ * information
+ */
+uint mii_parse_dp83865_lanr(uint mii_reg, struct tsec_private *priv)
+{
+ switch (mii_reg & MIIM_DP83865_SPD_MASK) {
+
+ case MIIM_DP83865_SPD_1000:
+ priv->speed = 1000;
+ break;
+
+ case MIIM_DP83865_SPD_100:
+ priv->speed = 100;
+ break;
+
+ default:
+ priv->speed = 10;
+ break;
+
+ }
+
+ if (mii_reg & MIIM_DP83865_DPX_FULL)
+ priv->duplexity = 1;
+ else
+ priv->duplexity = 0;
+
+ return 0;
+}
+
+struct phy_info phy_info_dp83865 = {
+ 0x20005c7,
+ "NatSemi DP83865",
+ 4,
+ (struct phy_cmd[]){ /* config */
+ {MIIM_CONTROL, MIIM_DP83865_CR_INIT, NULL},
+ {miim_end,}
+ },
+ (struct phy_cmd[]){ /* startup */
+ /* Status is read once to clear old link state */
+ {MIIM_STATUS, miim_read, NULL},
+ /* Auto-negotiate */
+ {MIIM_STATUS, miim_read, &mii_parse_sr},
+ /* Read the link and auto-neg status */
+ {MIIM_DP83865_LANR, miim_read,
+ &mii_parse_dp83865_lanr},
+ {miim_end,}
+ },
+ (struct phy_cmd[]){ /* shutdown */
+ {miim_end,}
+ },
+};
+
+struct phy_info *phy_info[] = {
+ &phy_info_cis8204,
+ &phy_info_cis8201,
+ &phy_info_BCM5461S,
+ &phy_info_BCM5464S,
+ &phy_info_M88E1011S,
+ &phy_info_M88E1111S,
+ &phy_info_M88E1145,
+ &phy_info_M88E1149S,
+ &phy_info_dm9161,
+ &phy_info_lxt971,
+ &phy_info_VSC8244,
+ &phy_info_dp83865,
+ &phy_info_generic,
+ NULL
+};
+
+/* Grab the identifier of the device's PHY, and search through
+ * all of the known PHYs to see if one matches. If so, return
+ * it, if not, return NULL
+ */
+struct phy_info *get_phy_info(struct eth_device *dev)
+{
+ struct tsec_private *priv = (struct tsec_private *)dev->priv;
+ uint phy_reg, phy_ID;
+ int i;
+ struct phy_info *theInfo = NULL;
+
+ /* Grab the bits from PHYIR1, and put them in the upper half */
+ phy_reg = read_phy_reg(priv, MIIM_PHYIR1);
+ phy_ID = (phy_reg & 0xffff) << 16;
+
+ /* Grab the bits from PHYIR2, and put them in the lower half */
+ phy_reg = read_phy_reg(priv, MIIM_PHYIR2);
+ phy_ID |= (phy_reg & 0xffff);
+
+ /* loop through all the known PHY types, and find one that */
+ /* matches the ID we read from the PHY. */
+ for (i = 0; phy_info[i]; i++) {
+ if (phy_info[i]->id == (phy_ID >> phy_info[i]->shift)) {
+ theInfo = phy_info[i];
+ break;
+ }
+ }
+
+ if (theInfo == NULL) {
+ printf("%s: PHY id %x is not supported!\n", dev->name, phy_ID);
+ return NULL;
+ } else {
+ debug("%s: PHY is %s (%x)\n", dev->name, theInfo->name, phy_ID);
+ }
+
+ return theInfo;
+}
+
+/* Execute the given series of commands on the given device's
+ * PHY, running functions as necessary
+ */
+void phy_run_commands(struct tsec_private *priv, struct phy_cmd *cmd)
+{
+ int i;
+ uint result;
+ volatile tsec_t *phyregs = priv->phyregs;
+
+ phyregs->miimcfg = MIIMCFG_RESET;
+
+ phyregs->miimcfg = MIIMCFG_INIT_VALUE;
+
+ while (phyregs->miimind & MIIMIND_BUSY) ;
+
+ for (i = 0; cmd->mii_reg != miim_end; i++) {
+ if (cmd->mii_data == miim_read) {
+ result = read_phy_reg(priv, cmd->mii_reg);
+
+ if (cmd->funct != NULL)
+ (*(cmd->funct)) (result, priv);
+
+ } else {
+ if (cmd->funct != NULL)
+ result = (*(cmd->funct)) (cmd->mii_reg, priv);
+ else
+ result = cmd->mii_data;
+
+ write_phy_reg(priv, cmd->mii_reg, result);
+
+ }
+ cmd++;
+ }
+}
+
+/* Relocate the function pointers in the phy cmd lists */
+static void relocate_cmds(void)
+{
+ struct phy_cmd **cmdlistptr;
+ struct phy_cmd *cmd;
+ int i, j, k;
+
+ for (i = 0; phy_info[i]; i++) {
+ /* First thing's first: relocate the pointers to the
+ * PHY command structures (the structs were done) */
+ phy_info[i] = (struct phy_info *)((uint) phy_info[i]
+ + gd->reloc_off);
+ phy_info[i]->name += gd->reloc_off;
+ phy_info[i]->config =
+ (struct phy_cmd *)((uint) phy_info[i]->config
+ + gd->reloc_off);
+ phy_info[i]->startup =
+ (struct phy_cmd *)((uint) phy_info[i]->startup
+ + gd->reloc_off);
+ phy_info[i]->shutdown =
+ (struct phy_cmd *)((uint) phy_info[i]->shutdown
+ + gd->reloc_off);
+
+ cmdlistptr = &phy_info[i]->config;
+ j = 0;
+ for (; cmdlistptr <= &phy_info[i]->shutdown; cmdlistptr++) {
+ k = 0;
+ for (cmd = *cmdlistptr;
+ cmd->mii_reg != miim_end;
+ cmd++) {
+ /* Only relocate non-NULL pointers */
+ if (cmd->funct)
+ cmd->funct += gd->reloc_off;
+
+ k++;
+ }
+ j++;
+ }
+ }
+
+ relocated = 1;
+}
+
+#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) \
+ && !defined(BITBANGMII)
+
+struct tsec_private *get_priv_for_phy(unsigned char phyaddr)
+{
+ int i;
+
+ for (i = 0; i < MAXCONTROLLERS; i++) {
+ if (privlist[i]->phyaddr == phyaddr)
+ return privlist[i];
+ }
+
+ return NULL;
+}
+
+/*
+ * Read a MII PHY register.
+ *
+ * Returns:
+ * 0 on success
+ */
+static int tsec_miiphy_read(char *devname, unsigned char addr,
+ unsigned char reg, unsigned short *value)
+{
+ unsigned short ret;
+ struct tsec_private *priv = get_priv_for_phy(addr);
+
+ if (NULL == priv) {
+ printf("Can't read PHY at address %d\n", addr);
+ return -1;
+ }
+
+ ret = (unsigned short)read_phy_reg(priv, reg);
+ *value = ret;
+
+ return 0;
+}
+
+/*
+ * Write a MII PHY register.
+ *
+ * Returns:
+ * 0 on success
+ */
+static int tsec_miiphy_write(char *devname, unsigned char addr,
+ unsigned char reg, unsigned short value)
+{
+ struct tsec_private *priv = get_priv_for_phy(addr);
+
+ if (NULL == priv) {
+ printf("Can't write PHY at address %d\n", addr);
+ return -1;
+ }
+
+ write_phy_reg(priv, reg, value);
+
+ return 0;
+}
+
+#endif
+
+#ifdef CONFIG_MCAST_TFTP
+
+/* CREDITS: linux gianfar driver, slightly adjusted... thanx. */
+
+/* Set the appropriate hash bit for the given addr */
+
+/* The algorithm works like so:
+ * 1) Take the Destination Address (ie the multicast address), and
+ * do a CRC on it (little endian), and reverse the bits of the
+ * result.
+ * 2) Use the 8 most significant bits as a hash into a 256-entry
+ * table. The table is controlled through 8 32-bit registers:
+ * gaddr0-7. gaddr0's MSB is entry 0, and gaddr7's LSB is
+ * gaddr7. This means that the 3 most significant bits in the
+ * hash index which gaddr register to use, and the 5 other bits
+ * indicate which bit (assuming an IBM numbering scheme, which
+ * for PowerPC (tm) is usually the case) in the tregister holds
+ * the entry. */
+static int
+tsec_mcast_addr (struct eth_device *dev, u8 mcast_mac, u8 set)
+{
+ struct tsec_private *priv = privlist[1];
+ volatile tsec_t *regs = priv->regs;
+ volatile u32 *reg_array, value;
+ u8 result, whichbit, whichreg;
+
+ result = (u8)((ether_crc(MAC_ADDR_LEN,mcast_mac) >> 24) & 0xff);
+ whichbit = result & 0x1f; /* the 5 LSB = which bit to set */
+ whichreg = result >> 5; /* the 3 MSB = which reg to set it in */
+ value = (1 << (31-whichbit));
+
+ reg_array = &(regs->hash.gaddr0);
+
+ if (set) {
+ reg_array[whichreg] |= value;
+ } else {
+ reg_array[whichreg] &= ~value;
+ }
+ return 0;
+}
+#endif /* Multicast TFTP ? */
+
+#endif /* CONFIG_TSEC_ENET */