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@@ -1,13 +1,14 @@
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/*
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* tsec.c
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- * Motorola Three Speed Ethernet Controller driver
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+ * Freescale Three Speed Ethernet Controller driver
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*
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* This software may be used and distributed according to the
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* terms of the GNU Public License, Version 2, incorporated
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* herein by reference.
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*
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+ * Copyright 2004 Freescale Semiconductor.
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* (C) Copyright 2003, Motorola, Inc.
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- * maintained by Xianghua Xiao (x.xiao@motorola.com)
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+ * maintained by Jon Loeliger (loeliger@freescale.com)
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* author Andy Fleming
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*
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*/
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@@ -26,9 +27,9 @@
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#undef TSEC_DEBUG
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#ifdef TSEC_DEBUG
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-#define DBGPRINT(x) printf(x)
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+#define DBGPRINT(x,y) printf(x,y)
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#else
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-#define DBGPRINT(x)
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+#define DBGPRINT(x,y)
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#endif
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static uint rxIdx; /* index of the current RX buffer */
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@@ -39,6 +40,59 @@ typedef volatile struct rtxbd {
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rxbd8_t rxbd[PKTBUFSRX];
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} RTXBD;
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+struct tsec_info_struct {
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+ unsigned int phyaddr;
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+ unsigned int gigabit;
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+ unsigned int phyregidx;
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+};
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+
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+
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+/* The tsec_info structure contains 3 values which the
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+ * driver uses to determine how to operate a given ethernet
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+ * device. For now, the structure is initialized with the
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+ * knowledge that all current implementations have 2 TSEC
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+ * devices, and one FEC. The information needed is:
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+ * phyaddr - The address of the PHY which is attached to
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+ * the given device.
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+ *
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+ * gigabit - This variable indicates whether the device
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+ * supports gigabit speed ethernet
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+ *
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+ * phyregidx - This variable specifies which ethernet device
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+ * controls the MII Management registers which are connected
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+ * to the PHY. For 8540/8560, only TSEC1 (index 0) has
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+ * access to the PHYs, so all of the entries have "0".
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+ *
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+ * The values specified in the table are taken from the board's
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+ * config file in include/configs/. When implementing a new
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+ * board with ethernet capability, it is necessary to define:
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+ * TSEC1_PHY_ADDR
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+ * TSEC1_PHYIDX
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+ * TSEC2_PHY_ADDR
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+ * TSEC2_PHYIDX
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+ *
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+ * and for 8560:
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+ * FEC_PHY_ADDR
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+ * FEC_PHYIDX
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+ */
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+static struct tsec_info_struct tsec_info[] = {
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+#ifdef CONFIG_MPC85XX_TSEC1
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+ {TSEC1_PHY_ADDR, 1, TSEC1_PHYIDX},
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+#endif
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+#ifdef CONFIG_MPC85XX_TSEC2
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+ {TSEC2_PHY_ADDR, 1, TSEC2_PHYIDX},
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+#endif
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+#ifdef CONFIG_MPC85XX_FEC
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+ {FEC_PHY_ADDR, 0, FEC_PHYIDX},
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+#endif
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+};
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+
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+#define MAXCONTROLLERS 3
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+
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+static int relocated = 0;
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+
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+static struct tsec_private *privlist[MAXCONTROLLERS];
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+
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#ifdef __GNUC__
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static RTXBD rtx __attribute__ ((aligned(8)));
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#else
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@@ -49,31 +103,48 @@ static int tsec_send(struct eth_device* dev, volatile void *packet, int length);
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static int tsec_recv(struct eth_device* dev);
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static int tsec_init(struct eth_device* dev, bd_t * bd);
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static void tsec_halt(struct eth_device* dev);
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-static void init_registers(tsec_t *regs);
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-static void startup_tsec(tsec_t *regs);
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-static void init_phy(tsec_t *regs);
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-uint read_phy_reg(tsec_t *regbase, uint phyid, uint offset);
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-
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-static int phy_id = -1;
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-
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-/* Initialize device structure. returns 0 on failure, 1 on
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- * success */
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-int tsec_initialize(bd_t *bis)
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+static void init_registers(volatile tsec_t *regs);
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+static void startup_tsec(struct eth_device *dev);
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+static int init_phy(struct eth_device *dev);
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+void write_phy_reg(struct tsec_private *priv, uint regnum, uint value);
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+uint read_phy_reg(struct tsec_private *priv, uint regnum);
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+struct phy_info * get_phy_info(struct eth_device *dev);
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+void phy_run_commands(struct tsec_private *priv, struct phy_cmd *cmd);
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+static void adjust_link(struct eth_device *dev);
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+static void relocate_cmds(void);
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+
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+/* Initialize device structure. Returns success if PHY
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+ * initialization succeeded (i.e. if it recognizes the PHY)
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+ */
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+int tsec_initialize(bd_t *bis, int index)
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{
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struct eth_device* dev;
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int i;
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- tsec_t *regs = (tsec_t *)(TSEC_BASE_ADDR);
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+ struct tsec_private *priv;
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dev = (struct eth_device*) malloc(sizeof *dev);
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- if(dev == NULL)
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+ if(NULL == dev)
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return 0;
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memset(dev, 0, sizeof *dev);
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- sprintf(dev->name, "MOTO ETHERNET");
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+ priv = (struct tsec_private *) malloc(sizeof(*priv));
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+
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+ if(NULL == priv)
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+ return 0;
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+
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+ privlist[index] = priv;
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+ priv->regs = (volatile tsec_t *)(TSEC_BASE_ADDR + index*TSEC_SIZE);
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+ priv->phyregs = (volatile tsec_t *)(TSEC_BASE_ADDR +
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+ tsec_info[index].phyregidx*TSEC_SIZE);
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+
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+ priv->phyaddr = tsec_info[index].phyaddr;
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+ priv->gigabit = tsec_info[index].gigabit;
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+
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+ sprintf(dev->name, "MOTO ENET%d", index);
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dev->iobase = 0;
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- dev->priv = 0;
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+ dev->priv = priv;
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dev->init = tsec_init;
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dev->halt = tsec_halt;
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dev->send = tsec_send;
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@@ -85,70 +156,32 @@ int tsec_initialize(bd_t *bis)
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eth_register(dev);
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- /* Reconfigure the PHY to advertise everything here
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- * so that it works with both gigabit and 10/100 */
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-#ifdef CONFIG_PHY_M88E1011
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- /* Assign a Physical address to the TBI */
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- regs->tbipa=TBIPA_VALUE;
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-
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- /* reset the management interface */
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- regs->miimcfg=MIIMCFG_RESET;
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- regs->miimcfg=MIIMCFG_INIT_VALUE;
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-
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- /* Wait until the bus is free */
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- while(regs->miimind & MIIMIND_BUSY);
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-
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- /* Locate PHYs. Skip TBIPA, which we know is 31.
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- */
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- for (i=0; i<31; i++) {
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- if (read_phy_reg(regs, i, 2) == 0x141) {
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- if (phy_id == -1)
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- phy_id = i;
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-#ifdef TSEC_DEBUG
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- printf("Found Marvell PHY at 0x%02x\n", i);
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-#endif
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- }
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- }
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-#ifdef TSEC_DEBUG
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- printf("Using PHY ID 0x%02x\n", phy_id);
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-#endif
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- write_phy_reg(regs, phy_id, MIIM_CONTROL, MIIM_CONTROL_RESET);
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-
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- RESET_ERRATA(regs, phy_id);
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-
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- /* Configure the PHY to advertise gbit and 10/100 */
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- write_phy_reg(regs, phy_id, MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT);
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- write_phy_reg(regs, phy_id, MIIM_ANAR, MIIM_ANAR_INIT);
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+ /* Reset the MAC */
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+ priv->regs->maccfg1 |= MACCFG1_SOFT_RESET;
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+ priv->regs->maccfg1 &= ~(MACCFG1_SOFT_RESET);
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- /* Reset the PHY so the new settings take effect */
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- write_phy_reg(regs, phy_id, MIIM_CONTROL, MIIM_CONTROL_RESET);
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-#endif
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- return 1;
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+ /* Try to initialize PHY here, and return */
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+ return init_phy(dev);
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}
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/* Initializes data structures and registers for the controller,
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- * and brings the interface up */
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+ * and brings the interface up. Returns the link status, meaning
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+ * that it returns success if the link is up, failure otherwise.
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+ * This allows u-boot to find the first active controller. */
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int tsec_init(struct eth_device* dev, bd_t * bd)
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{
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- tsec_t *regs;
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uint tempval;
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char tmpbuf[MAC_ADDR_LEN];
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int i;
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-
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- regs = (tsec_t *)(TSEC_BASE_ADDR);
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+ struct tsec_private *priv = (struct tsec_private *)dev->priv;
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+ volatile tsec_t *regs = priv->regs;
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/* Make sure the controller is stopped */
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tsec_halt(dev);
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- /* Reset the MAC */
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- regs->maccfg1 |= MACCFG1_SOFT_RESET;
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-
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- /* Clear MACCFG1[Soft_Reset] */
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- regs->maccfg1 &= ~(MACCFG1_SOFT_RESET);
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-
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- /* Init MACCFG2. Defaults to GMII/MII */
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+ /* Init MACCFG2. Defaults to GMII */
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regs->maccfg2 = MACCFG2_INIT_SETTINGS;
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/* Init ECNTRL */
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@@ -157,7 +190,7 @@ int tsec_init(struct eth_device* dev, bd_t * bd)
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/* Copy the station address into the address registers.
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* Backwards, because little endian MACS are dumb */
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for(i=0;i<MAC_ADDR_LEN;i++) {
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- tmpbuf[MAC_ADDR_LEN - 1 - i] = bd->bi_enetaddr[i];
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+ tmpbuf[MAC_ADDR_LEN - 1 - i] = dev->enetaddr[i];
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}
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(uint)(regs->macstnaddr1) = *((uint *)(tmpbuf));
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@@ -165,9 +198,6 @@ int tsec_init(struct eth_device* dev, bd_t * bd)
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(uint)(regs->macstnaddr2) = tempval;
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- /* Initialize the PHY */
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- init_phy(regs);
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-
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/* reset the indices to zero */
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rxIdx = 0;
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txIdx = 0;
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@@ -176,27 +206,49 @@ int tsec_init(struct eth_device* dev, bd_t * bd)
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init_registers(regs);
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/* Ready the device for tx/rx */
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- startup_tsec(regs);
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+ startup_tsec(dev);
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- return 1;
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+ /* If there's no link, fail */
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+ return priv->link;
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}
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-/* Reads from the register at offset in the PHY at phyid, */
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-/* using the register set defined in regbase. It waits until the */
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-/* bits in the miimstat are valid (miimind notvalid bit cleared), */
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-/* and then passes those bits on to the variable specified in */
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-/* value */
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-/* Before it does the read, it needs to clear the command field */
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-uint read_phy_reg(tsec_t *regbase, uint phyid, uint offset)
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+/* Write value to the device's PHY through the registers
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+ * specified in priv, modifying the register specified in regnum.
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+ * It will wait for the write to be done (or for a timeout to
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+ * expire) before exiting
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+ */
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+void write_phy_reg(struct tsec_private *priv, uint regnum, uint value)
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+{
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+ volatile tsec_t *regbase = priv->phyregs;
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+ uint phyid = priv->phyaddr;
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+ int timeout=1000000;
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+
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+ regbase->miimadd = (phyid << 8) | regnum;
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+ regbase->miimcon = value;
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+ asm("msync");
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+
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+ timeout=1000000;
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+ while((regbase->miimind & MIIMIND_BUSY) && timeout--);
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+}
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+
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+
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+/* Reads register regnum on the device's PHY through the
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+ * registers specified in priv. It lowers and raises the read
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+ * command, and waits for the data to become valid (miimind
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+ * notvalid bit cleared), and the bus to cease activity (miimind
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+ * busy bit cleared), and then returns the value
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+ */
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+uint read_phy_reg(struct tsec_private *priv, uint regnum)
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{
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uint value;
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+ volatile tsec_t *regbase = priv->phyregs;
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+ uint phyid = priv->phyaddr;
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- /* Put the address of the phy, and the register number into
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- * MIIMADD
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- */
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- regbase->miimadd = (phyid << 8) | offset;
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+ /* Put the address of the phy, and the register
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+ * number into MIIMADD */
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+ regbase->miimadd = (phyid << 8) | regnum;
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/* Clear the command register, and wait */
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regbase->miimcom = 0;
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@@ -215,115 +267,169 @@ uint read_phy_reg(tsec_t *regbase, uint phyid, uint offset)
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return value;
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}
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-/* Setup the PHY */
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-static void init_phy(tsec_t *regs)
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+
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+/* Discover which PHY is attached to the device, and configure it
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+ * properly. If the PHY is not recognized, then return 0
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+ * (failure). Otherwise, return 1
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+ */
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+static int init_phy(struct eth_device *dev)
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{
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- uint testval;
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- unsigned int timeout = TSEC_TIMEOUT;
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+ struct tsec_private *priv = (struct tsec_private *)dev->priv;
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+ struct phy_info *curphy;
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/* Assign a Physical address to the TBI */
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- regs->tbipa=TBIPA_VALUE;
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+ priv->regs->tbipa=TBIPA_VALUE;
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- /* reset the management interface */
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- regs->miimcfg=MIIMCFG_RESET;
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+ if(0 == relocated)
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+ relocate_cmds();
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- regs->miimcfg=MIIMCFG_INIT_VALUE;
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+ /* Get the cmd structure corresponding to the attached
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+ * PHY */
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+ curphy = get_phy_info(dev);
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- /* Wait until the bus is free */
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- while(regs->miimind & MIIMIND_BUSY);
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+ if(NULL == curphy) {
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+ printf("%s: No PHY found\n", dev->name);
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-#ifdef CONFIG_PHY_CIS8201
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- /* override PHY config settings */
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- write_phy_reg(regs, 0, MIIM_AUX_CONSTAT, MIIM_AUXCONSTAT_INIT);
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+ return 0;
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+ }
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- /* Set up interface mode */
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- write_phy_reg(regs, 0, MIIM_EXT_CON1, MIIM_EXTCON1_INIT);
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-#endif
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+ priv->phyinfo = curphy;
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- /* Set the PHY to gigabit, full duplex, Auto-negotiate */
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- write_phy_reg(regs, phy_id, MIIM_CONTROL, MIIM_CONTROL_INIT);
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+ phy_run_commands(priv, priv->phyinfo->config);
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- /* Wait until STATUS indicates Auto-Negotiation is done */
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- DBGPRINT("Waiting for Auto-negotiation to complete\n");
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- testval=read_phy_reg(regs, phy_id, MIIM_STATUS);
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+ return 1;
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+}
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- while((!(testval & MIIM_STATUS_AN_DONE))&& timeout--) {
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- testval=read_phy_reg(regs, phy_id, MIIM_STATUS);
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- }
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- if(testval & MIIM_STATUS_AN_DONE)
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- DBGPRINT("Auto-negotiation done\n");
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+/* Returns which value to write to the control register. */
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+/* For 10/100, the value is slightly different */
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+uint mii_cr_init(uint mii_reg, struct tsec_private *priv)
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+{
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+ if(priv->gigabit)
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+ return MIIM_CONTROL_INIT;
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else
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- DBGPRINT("Auto-negotiation timed-out.\n");
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+ return MIIM_CR_INIT;
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+}
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-#ifdef CONFIG_PHY_CIS8201
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- /* Find out what duplexity (duplicity?) we have */
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- /* Read it twice to make sure */
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- testval=read_phy_reg(regs, phy_id, MIIM_AUX_CONSTAT);
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- if(testval & MIIM_AUXCONSTAT_DUPLEX) {
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- DBGPRINT("Enet starting in full duplex\n");
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- regs->maccfg2 |= MACCFG2_FULL_DUPLEX;
|
|
|
- } else {
|
|
|
- DBGPRINT("Enet starting in half duplex\n");
|
|
|
- regs->maccfg2 &= ~MACCFG2_FULL_DUPLEX;
|
|
|
- }
|
|
|
+/* Parse the status register for link, and then do
|
|
|
+ * auto-negotiation */
|
|
|
+uint mii_parse_sr(uint mii_reg, struct tsec_private *priv)
|
|
|
+{
|
|
|
+ uint timeout = TSEC_TIMEOUT;
|
|
|
|
|
|
- /* Also, we look to see what speed we are at
|
|
|
- * if Gigabit, MACCFG2 goes in GMII, otherwise,
|
|
|
- * MII mode.
|
|
|
- */
|
|
|
- if((testval & MIIM_AUXCONSTAT_SPEED) != MIIM_AUXCONSTAT_GBIT) {
|
|
|
- if((testval & MIIM_AUXCONSTAT_SPEED) == MIIM_AUXCONSTAT_100)
|
|
|
- DBGPRINT("Enet starting in 100BT\n");
|
|
|
- else
|
|
|
- DBGPRINT("Enet starting in 10BT\n");
|
|
|
+ if(mii_reg & MIIM_STATUS_LINK)
|
|
|
+ priv->link = 1;
|
|
|
+ else
|
|
|
+ priv->link = 0;
|
|
|
|
|
|
- /* mark the mode in MACCFG2 */
|
|
|
- regs->maccfg2 = ((regs->maccfg2&~(MACCFG2_IF)) | MACCFG2_MII);
|
|
|
- } else {
|
|
|
- DBGPRINT("Enet starting in 1000BT\n");
|
|
|
+ if(priv->link) {
|
|
|
+ while((!(mii_reg & MIIM_STATUS_AN_DONE)) && timeout--)
|
|
|
+ mii_reg = read_phy_reg(priv, MIIM_STATUS);
|
|
|
}
|
|
|
|
|
|
-#endif
|
|
|
+ return 0;
|
|
|
+}
|
|
|
|
|
|
-#ifdef CONFIG_PHY_M88E1011
|
|
|
- /* Read the PHY to see what speed and duplex we are */
|
|
|
- testval=read_phy_reg(regs, phy_id, MIIM_PHY_STATUS);
|
|
|
|
|
|
- timeout = TSEC_TIMEOUT;
|
|
|
- while((!(testval & MIIM_PHYSTAT_SPDDONE)) && timeout--) {
|
|
|
- testval = read_phy_reg(regs,phy_id,MIIM_PHY_STATUS);
|
|
|
+/* 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;
|
|
|
+
|
|
|
+ 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;
|
|
|
}
|
|
|
|
|
|
- if(!(testval & MIIM_PHYSTAT_SPDDONE))
|
|
|
- DBGPRINT("Enet: Speed not resolved\n");
|
|
|
+ return 0;
|
|
|
+}
|
|
|
|
|
|
- testval=read_phy_reg(regs, phy_id, MIIM_PHY_STATUS);
|
|
|
- if(testval & MIIM_PHYSTAT_DUPLEX) {
|
|
|
- DBGPRINT("Enet starting in Full Duplex\n");
|
|
|
- regs->maccfg2 |= MACCFG2_FULL_DUPLEX;
|
|
|
- } else {
|
|
|
- DBGPRINT("Enet starting in Half Duplex\n");
|
|
|
- regs->maccfg2 &= ~MACCFG2_FULL_DUPLEX;
|
|
|
+
|
|
|
+/* 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;
|
|
|
}
|
|
|
|
|
|
- if(!((testval&MIIM_PHYSTAT_SPEED) == MIIM_PHYSTAT_GBIT)) {
|
|
|
- if((testval & MIIM_PHYSTAT_SPEED) == MIIM_PHYSTAT_100)
|
|
|
- DBGPRINT("Enet starting in 100BT\n");
|
|
|
- else
|
|
|
- DBGPRINT("Enet starting in 10BT\n");
|
|
|
+ return 0;
|
|
|
+}
|
|
|
|
|
|
- regs->maccfg2 = ((regs->maccfg2&~(MACCFG2_IF)) | MACCFG2_MII);
|
|
|
- } else {
|
|
|
- DBGPRINT("Enet starting in 1000BT\n");
|
|
|
+
|
|
|
+/* 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("msync");
|
|
|
+
|
|
|
+ timeout=1000000;
|
|
|
+ while((regbase->miimind & MIIMIND_BUSY) && timeout--);
|
|
|
}
|
|
|
-#endif
|
|
|
|
|
|
+ return MIIM_CIS8204_SLEDCON_INIT;
|
|
|
}
|
|
|
|
|
|
|
|
|
-static void init_registers(tsec_t *regs)
|
|
|
+/* 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;
|
|
@@ -365,9 +471,51 @@ static void init_registers(tsec_t *regs)
|
|
|
|
|
|
}
|
|
|
|
|
|
-static void startup_tsec(tsec_t *regs)
|
|
|
+
|
|
|
+/* 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);
|
|
|
+ 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]);
|
|
@@ -389,6 +537,10 @@ static void startup_tsec(tsec_t *regs)
|
|
|
}
|
|
|
rtx.txbd[TX_BUF_CNT -1].status |= TXBD_WRAP;
|
|
|
|
|
|
+ /* Start up the PHY */
|
|
|
+ phy_run_commands(priv, priv->phyinfo->startup);
|
|
|
+ adjust_link(dev);
|
|
|
+
|
|
|
/* Enable Transmit and Receive */
|
|
|
regs->maccfg1 |= (MACCFG1_RX_EN | MACCFG1_TX_EN);
|
|
|
|
|
@@ -406,12 +558,13 @@ static int tsec_send(struct eth_device* dev, volatile void *packet, int length)
|
|
|
{
|
|
|
int i;
|
|
|
int result = 0;
|
|
|
- tsec_t * regs = (tsec_t *)(TSEC_BASE_ADDR);
|
|
|
+ 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) {
|
|
|
- DBGPRINT("tsec: tx buffers full\n");
|
|
|
+ DBGPRINT("%s: tsec: tx buffers full\n", dev->name);
|
|
|
return result;
|
|
|
}
|
|
|
}
|
|
@@ -426,7 +579,7 @@ static int tsec_send(struct eth_device* dev, volatile void *packet, int length)
|
|
|
/* Wait for buffer to be transmitted */
|
|
|
for(i=0; rtx.txbd[txIdx].status & TXBD_READY; i++) {
|
|
|
if (i >= TOUT_LOOP) {
|
|
|
- DBGPRINT("tsec: tx error\n");
|
|
|
+ DBGPRINT("%s: tsec: tx error\n", dev->name);
|
|
|
return result;
|
|
|
}
|
|
|
}
|
|
@@ -440,7 +593,8 @@ static int tsec_send(struct eth_device* dev, volatile void *packet, int length)
|
|
|
static int tsec_recv(struct eth_device* dev)
|
|
|
{
|
|
|
int length;
|
|
|
- tsec_t *regs = (tsec_t *)(TSEC_BASE_ADDR);
|
|
|
+ struct tsec_private *priv = (struct tsec_private *)dev->priv;
|
|
|
+ volatile tsec_t *regs = priv->regs;
|
|
|
|
|
|
while(!(rtx.rxbd[rxIdx].status & RXBD_EMPTY)) {
|
|
|
|
|
@@ -449,6 +603,9 @@ static int tsec_recv(struct eth_device* dev)
|
|
|
/* 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;
|
|
@@ -469,9 +626,11 @@ static int tsec_recv(struct eth_device* dev)
|
|
|
}
|
|
|
|
|
|
|
|
|
+/* Stop the interface */
|
|
|
static void tsec_halt(struct eth_device* dev)
|
|
|
{
|
|
|
- tsec_t *regs = (tsec_t *)(TSEC_BASE_ADDR);
|
|
|
+ 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);
|
|
@@ -480,25 +639,288 @@ static void tsec_halt(struct eth_device* dev)
|
|
|
|
|
|
regs->maccfg1 &= ~(MACCFG1_TX_EN | MACCFG1_RX_EN);
|
|
|
|
|
|
+ /* Shut down the PHY, as needed */
|
|
|
+ phy_run_commands(priv, priv->phyinfo->shutdown);
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+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_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, NULL},
|
|
|
+ {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_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,}
|
|
|
+ },
|
|
|
+};
|
|
|
+
|
|
|
+struct phy_info *phy_info[] = {
|
|
|
+#if 0
|
|
|
+ &phy_info_cis8201,
|
|
|
+#endif
|
|
|
+ &phy_info_cis8204,
|
|
|
+ &phy_info_M88E1011S,
|
|
|
+ &phy_info_dm9161,
|
|
|
+ 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];
|
|
|
+ }
|
|
|
+
|
|
|
+ if(theInfo == NULL)
|
|
|
+ {
|
|
|
+ printf("%s: PHY id %x is not supported!\n", dev->name, phy_ID);
|
|
|
+ return NULL;
|
|
|
+ } else {
|
|
|
+ printf("%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;
|
|
|
+ DECLARE_GLOBAL_DATA_PTR;
|
|
|
+
|
|
|
+ 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;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
#ifndef CONFIG_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
|
|
|
+ * 0 on success
|
|
|
*/
|
|
|
-int miiphy_read(unsigned char addr,
|
|
|
- unsigned char reg,
|
|
|
- unsigned short *value)
|
|
|
+int miiphy_read(unsigned char addr, unsigned char reg, unsigned short *value)
|
|
|
{
|
|
|
- tsec_t *regs;
|
|
|
- unsigned short rv;
|
|
|
+ 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;
|
|
|
+ }
|
|
|
|
|
|
- regs = (tsec_t *)(TSEC_BASE_ADDR);
|
|
|
- rv = (unsigned short)read_phy_reg(regs, addr, reg);
|
|
|
- *value = rv;
|
|
|
+ ret = (unsigned short)read_phy_reg(priv, reg);
|
|
|
+ *value = ret;
|
|
|
|
|
|
return 0;
|
|
|
}
|
|
@@ -507,18 +929,22 @@ int miiphy_read(unsigned char addr,
|
|
|
* Write a MII PHY register.
|
|
|
*
|
|
|
* Returns:
|
|
|
- * 0 on success
|
|
|
+ * 0 on success
|
|
|
*/
|
|
|
-int miiphy_write(unsigned char addr,
|
|
|
- unsigned char reg,
|
|
|
- unsigned short value)
|
|
|
+int miiphy_write(unsigned char addr, unsigned char reg, unsigned short value)
|
|
|
{
|
|
|
- tsec_t *regs;
|
|
|
+ struct tsec_private *priv = get_priv_for_phy(addr);
|
|
|
+
|
|
|
+ if(NULL == priv) {
|
|
|
+ printf("Can't write PHY at address %d\n", addr);
|
|
|
+ return -1;
|
|
|
+ }
|
|
|
|
|
|
- regs = (tsec_t *)(TSEC_BASE_ADDR);
|
|
|
- write_phy_reg(regs, addr, reg, value);
|
|
|
+ write_phy_reg(priv, reg, value);
|
|
|
|
|
|
return 0;
|
|
|
}
|
|
|
+
|
|
|
#endif /* CONFIG_BITBANGMII */
|
|
|
+
|
|
|
#endif /* CONFIG_TSEC_ENET */
|