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path: root/drivers/tsec.c
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Diffstat (limited to 'drivers/tsec.c')
-rw-r--r--drivers/tsec.c112
1 files changed, 79 insertions, 33 deletions
diff --git a/drivers/tsec.c b/drivers/tsec.c
index 60bef9a..4ff3339 100644
--- a/drivers/tsec.c
+++ b/drivers/tsec.c
@@ -65,36 +65,30 @@ struct tsec_info_struct {
* FEC_PHYIDX
*/
static struct tsec_info_struct tsec_info[] = {
-#if defined(CONFIG_TSEC1)
-#if defined(CONFIG_MPC8544DS) || defined(CONFIG_MPC8641HPCN)
- {TSEC1_PHY_ADDR, TSEC_GIGABIT | TSEC_REDUCED, TSEC1_PHYIDX},
+#ifdef CONFIG_TSEC1
+ {TSEC1_PHY_ADDR, TSEC1_FLAGS, TSEC1_PHYIDX},
#else
- {TSEC1_PHY_ADDR, TSEC_GIGABIT, TSEC1_PHYIDX},
-#endif
{0, 0, 0},
#endif
-#if defined(CONFIG_TSEC2)
-#if defined(CONFIG_MPC8641HPCN)
- {TSEC2_PHY_ADDR, TSEC_GIGABIT | TSEC_REDUCED, TSEC2_PHYIDX},
+#ifdef CONFIG_TSEC2
+ {TSEC2_PHY_ADDR, TSEC2_FLAGS, TSEC2_PHYIDX},
#else
- {TSEC2_PHY_ADDR, TSEC_GIGABIT, TSEC2_PHYIDX},
-#endif
{0, 0, 0},
#endif
#ifdef CONFIG_MPC85XX_FEC
- {FEC_PHY_ADDR, 0, FEC_PHYIDX},
+ {FEC_PHY_ADDR, FEC_FLAGS, FEC_PHYIDX},
#else
-#if defined(CONFIG_TSEC3)
- {TSEC3_PHY_ADDR, TSEC_GIGABIT | TSEC_REDUCED, TSEC3_PHYIDX},
+#ifdef CONFIG_TSEC3
+ {TSEC3_PHY_ADDR, TSEC3_FLAGS, TSEC3_PHYIDX},
#else
{0, 0, 0},
#endif
-#if defined(CONFIG_TSEC4)
- {TSEC4_PHY_ADDR, TSEC_GIGABIT | TSEC_REDUCED, TSEC4_PHYIDX},
+#ifdef CONFIG_TSEC4
+ {TSEC4_PHY_ADDR, TSEC4_FLAGS, TSEC4_PHYIDX},
#else
{0, 0, 0},
-#endif
-#endif
+#endif /* CONFIG_TSEC4 */
+#endif /* CONFIG_MPC85XX_FEC */
};
#define MAXCONTROLLERS (4)
@@ -127,6 +121,9 @@ 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);
+#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)
@@ -165,6 +162,9 @@ int tsec_initialize(bd_t * bis, int index, char *devname)
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++)
@@ -296,9 +296,9 @@ static int init_phy(struct eth_device *dev)
volatile tsec_t *regs = (volatile tsec_t *)(TSEC_BASE_ADDR);
/* Assign a Physical address to the TBI */
- regs->tbipa = TBIPA_VALUE;
+ regs->tbipa = CFG_TBIPA_VALUE;
regs = (volatile tsec_t *)(TSEC_BASE_ADDR + TSEC_SIZE);
- regs->tbipa = TBIPA_VALUE;
+ regs->tbipa = CFG_TBIPA_VALUE;
asm("sync");
/* Reset MII (due to new addresses) */
@@ -347,17 +347,16 @@ uint mii_cr_init(uint mii_reg, struct tsec_private * priv)
uint mii_parse_sr(uint mii_reg, struct tsec_private * priv)
{
/*
- * Wait if PHY is capable of autonegotiation and autonegotiation
- * is not complete.
+ * 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 & PHY_BMSR_AUTN_ABLE)
+ 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)
- && (mii_reg & MIIM_STATUS_LINK))) {
+ while (!(mii_reg & PHY_BMSR_AUTN_COMP)) {
/*
* Timeout reached ?
*/
@@ -377,7 +376,10 @@ uint mii_parse_sr(uint mii_reg, struct tsec_private * priv)
priv->link = 1;
udelay(500000); /* another 500 ms (results in faster booting) */
} else {
- priv->link = 1;
+ if (mii_reg & MIIM_STATUS_LINK)
+ priv->link = 1;
+ else
+ priv->link = 0;
}
return 0;
@@ -517,16 +519,13 @@ uint mii_parse_88E1011_psr(uint mii_reg, struct tsec_private * priv)
mii_reg = read_phy_reg(priv, MIIM_88E1011_PHY_STATUS);
- if (!((mii_reg & MIIM_88E1011_PHYSTAT_SPDDONE) &&
- (mii_reg & MIIM_88E1011_PHYSTAT_LINK))) {
+ 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) &&
- (mii_reg & MIIM_88E1011_PHYSTAT_LINK))) {
- /*
- * Timeout reached ?
- */
+ while (!(mii_reg & MIIM_88E1011_PHYSTAT_SPDDONE)) {
+ /* Timeout reached ? */
if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
puts(" TIMEOUT !\n");
priv->link = 0;
@@ -541,6 +540,11 @@ uint mii_parse_88E1011_psr(uint mii_reg, struct tsec_private * priv)
}
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)
@@ -1258,10 +1262,10 @@ uint mii_parse_lxt971_sr2(uint mii_reg, struct tsec_private *priv)
case MIIM_LXT971_SR2_100HDX:
priv->speed = 100;
priv->duplexity = 0;
+ break;
default:
priv->speed = 100;
priv->duplexity = 1;
- break;
}
} else {
priv->speed = 0;
@@ -1537,4 +1541,46 @@ static int tsec_miiphy_write(char *devname, unsigned char addr,
#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 */
generated by cgit v1.1 at 2024-12-26 11:07:29 +0000