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Diffstat (limited to 'cpu/mpc85xx/tsec.c')
-rw-r--r--cpu/mpc85xx/tsec.c129
1 files changed, 106 insertions, 23 deletions
diff --git a/cpu/mpc85xx/tsec.c b/cpu/mpc85xx/tsec.c
index e9ca340..2d0517a 100644
--- a/cpu/mpc85xx/tsec.c
+++ b/cpu/mpc85xx/tsec.c
@@ -49,9 +49,12 @@ 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(volatile tsec_t *regs);
-static void init_phy(volatile tsec_t *regs);
+static void init_registers(tsec_t *regs);
+static void startup_tsec(tsec_t *regs);
+static void init_phy(tsec_t *regs);
+uint read_phy_reg(tsec_t *regbase, uint phyid, uint offset);
+
+static int phy_id = -1;
/* Initialize device structure. returns 0 on failure, 1 on
* success */
@@ -59,6 +62,7 @@ int tsec_initialize(bd_t *bis)
{
struct eth_device* dev;
int i;
+ tsec_t *regs = (tsec_t *)(TSEC_BASE_ADDR);
dev = (struct eth_device*) malloc(sizeof *dev);
@@ -67,7 +71,7 @@ int tsec_initialize(bd_t *bis)
memset(dev, 0, sizeof *dev);
- sprintf(dev->name, "MOTOROLA ETHERNET");
+ sprintf(dev->name, "MOTO ETHERNET");
dev->iobase = 0;
dev->priv = 0;
dev->init = tsec_init;
@@ -81,6 +85,45 @@ int tsec_initialize(bd_t *bis)
eth_register(dev);
+ /* Reconfigure the PHY to advertise everything here
+ * so that it works with both gigabit and 10/100 */
+#ifdef CONFIG_PHY_M88E1011
+ /* Assign a Physical address to the TBI */
+ regs->tbipa=TBIPA_VALUE;
+
+ /* reset the management interface */
+ regs->miimcfg=MIIMCFG_RESET;
+
+ regs->miimcfg=MIIMCFG_INIT_VALUE;
+
+ /* Wait until the bus is free */
+ while(regs->miimind & MIIMIND_BUSY);
+
+ /* Locate PHYs. Skip TBIPA, which we know is 31.
+ */
+ for (i=0; i<31; i++) {
+ if (read_phy_reg(regs, i, 2) == 0x141) {
+ if (phy_id == -1)
+ phy_id = i;
+#ifdef TSEC_DEBUG
+ printf("Found Marvell PHY at 0x%02x\n", i);
+#endif
+ }
+ }
+#ifdef TSEC_DEBUG
+ printf("Using PHY ID 0x%02x\n", phy_id);
+#endif
+ write_phy_reg(regs, phy_id, MIIM_CONTROL, MIIM_CONTROL_RESET);
+
+ RESET_ERRATA(regs, phy_id);
+
+ /* Configure the PHY to advertise gbit and 10/100 */
+ write_phy_reg(regs, phy_id, MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT);
+ write_phy_reg(regs, phy_id, MIIM_ANAR, MIIM_ANAR_INIT);
+
+ /* Reset the PHY so the new settings take effect */
+ write_phy_reg(regs, phy_id, MIIM_CONTROL, MIIM_CONTROL_RESET);
+#endif
return 1;
}
@@ -89,12 +132,12 @@ int tsec_initialize(bd_t *bis)
* and brings the interface up */
int tsec_init(struct eth_device* dev, bd_t * bd)
{
- volatile tsec_t *regs;
+ tsec_t *regs;
uint tempval;
char tmpbuf[MAC_ADDR_LEN];
int i;
- regs = (volatile tsec_t *)(TSEC_BASE_ADDR);
+ regs = (tsec_t *)(TSEC_BASE_ADDR);
/* Make sure the controller is stopped */
tsec_halt(dev);
@@ -146,7 +189,7 @@ int tsec_init(struct eth_device* dev, bd_t * bd)
/* and then passes those bits on to the variable specified in */
/* value */
/* Before it does the read, it needs to clear the command field */
-uint read_phy_reg(volatile tsec_t *regbase, uint phyid, uint offset)
+uint read_phy_reg(tsec_t *regbase, uint phyid, uint offset)
{
uint value;
@@ -173,7 +216,7 @@ uint read_phy_reg(volatile tsec_t *regbase, uint phyid, uint offset)
}
/* Setup the PHY */
-static void init_phy(volatile tsec_t *regs)
+static void init_phy(tsec_t *regs)
{
uint testval;
unsigned int timeout = TSEC_TIMEOUT;
@@ -198,17 +241,17 @@ static void init_phy(volatile tsec_t *regs)
#endif
/* Set the PHY to gigabit, full duplex, Auto-negotiate */
- write_phy_reg(regs, 0, MIIM_CONTROL, MIIM_CONTROL_INIT);
+ write_phy_reg(regs, phy_id, MIIM_CONTROL, MIIM_CONTROL_INIT);
- /* Wait until TBI_STATUS indicates AN is done */
+ /* Wait until STATUS indicates Auto-Negotiation is done */
DBGPRINT("Waiting for Auto-negotiation to complete\n");
- testval=read_phy_reg(regs, 0, MIIM_TBI_STATUS);
+ testval=read_phy_reg(regs, phy_id, MIIM_STATUS);
- while((!(testval & MIIM_TBI_STATUS_AN_DONE))&& timeout--) {
- testval=read_phy_reg(regs, 0, MIIM_TBI_STATUS);
+ while((!(testval & MIIM_STATUS_AN_DONE))&& timeout--) {
+ testval=read_phy_reg(regs, phy_id, MIIM_STATUS);
}
- if(testval & MIIM_TBI_STATUS_AN_DONE)
+ if(testval & MIIM_STATUS_AN_DONE)
DBGPRINT("Auto-negotiation done\n");
else
DBGPRINT("Auto-negotiation timed-out.\n");
@@ -216,7 +259,7 @@ static void init_phy(volatile tsec_t *regs)
#ifdef CONFIG_PHY_CIS8201
/* Find out what duplexity (duplicity?) we have */
/* Read it twice to make sure */
- testval=read_phy_reg(regs, 0, MIIM_AUX_CONSTAT);
+ testval=read_phy_reg(regs, phy_id, MIIM_AUX_CONSTAT);
if(testval & MIIM_AUXCONSTAT_DUPLEX) {
DBGPRINT("Enet starting in full duplex\n");
@@ -246,17 +289,17 @@ static void init_phy(volatile tsec_t *regs)
#ifdef CONFIG_PHY_M88E1011
/* Read the PHY to see what speed and duplex we are */
- testval=read_phy_reg(regs, 0, MIIM_PHY_STATUS);
+ testval=read_phy_reg(regs, phy_id, MIIM_PHY_STATUS);
timeout = TSEC_TIMEOUT;
while((!(testval & MIIM_PHYSTAT_SPDDONE)) && timeout--) {
- testval = read_phy_reg(regs,0,MIIM_PHY_STATUS);
+ testval = read_phy_reg(regs,phy_id,MIIM_PHY_STATUS);
}
if(!(testval & MIIM_PHYSTAT_SPDDONE))
DBGPRINT("Enet: Speed not resolved\n");
- testval=read_phy_reg(regs, 0, MIIM_PHY_STATUS);
+ 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;
@@ -280,7 +323,7 @@ static void init_phy(volatile tsec_t *regs)
}
-static void init_registers(volatile tsec_t *regs)
+static void init_registers(tsec_t *regs)
{
/* Clear IEVENT */
regs->ievent = IEVENT_INIT_CLEAR;
@@ -322,7 +365,7 @@ static void init_registers(volatile tsec_t *regs)
}
-static void startup_tsec(volatile tsec_t *regs)
+static void startup_tsec(tsec_t *regs)
{
int i;
@@ -363,7 +406,7 @@ static int tsec_send(struct eth_device* dev, volatile void *packet, int length)
{
int i;
int result = 0;
- volatile tsec_t * regs = (volatile tsec_t *)(TSEC_BASE_ADDR);
+ tsec_t * regs = (tsec_t *)(TSEC_BASE_ADDR);
/* Find an empty buffer descriptor */
for(i=0; rtx.txbd[txIdx].status & TXBD_READY; i++) {
@@ -397,7 +440,7 @@ static int tsec_send(struct eth_device* dev, volatile void *packet, int length)
static int tsec_recv(struct eth_device* dev)
{
int length;
- volatile tsec_t *regs = (volatile tsec_t *)(TSEC_BASE_ADDR);
+ tsec_t *regs = (tsec_t *)(TSEC_BASE_ADDR);
while(!(rtx.rxbd[rxIdx].status & RXBD_EMPTY)) {
@@ -428,7 +471,7 @@ static int tsec_recv(struct eth_device* dev)
static void tsec_halt(struct eth_device* dev)
{
- volatile tsec_t *regs = (volatile tsec_t *)(TSEC_BASE_ADDR);
+ tsec_t *regs = (tsec_t *)(TSEC_BASE_ADDR);
regs->dmactrl &= ~(DMACTRL_GRS | DMACTRL_GTS);
regs->dmactrl |= (DMACTRL_GRS | DMACTRL_GTS);
@@ -438,4 +481,44 @@ static void tsec_halt(struct eth_device* dev)
regs->maccfg1 &= ~(MACCFG1_TX_EN | MACCFG1_RX_EN);
}
+
+#ifndef CONFIG_BITBANGMII
+/*
+ * Read a MII PHY register.
+ *
+ * Returns:
+ * 0 on success
+ */
+int miiphy_read(unsigned char addr,
+ unsigned char reg,
+ unsigned short *value)
+{
+ tsec_t *regs;
+ unsigned short rv;
+
+ regs = (tsec_t *)(TSEC_BASE_ADDR);
+ rv = (unsigned short)read_phy_reg(regs, addr, reg);
+ *value = rv;
+
+ return 0;
+}
+
+/*
+ * Write a MII PHY register.
+ *
+ * Returns:
+ * 0 on success
+ */
+int miiphy_write(unsigned char addr,
+ unsigned char reg,
+ unsigned short value)
+{
+ tsec_t *regs;
+
+ regs = (tsec_t *)(TSEC_BASE_ADDR);
+ write_phy_reg(regs, addr, reg, value);
+
+ return 0;
+}
+#endif /* CONFIG_BITBANGMII */
#endif /* CONFIG_TSEC_ENET */
generated by cgit v1.1 at 2024-11-21 13:22:29 +0000