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-rw-r--r--main/dev/smsc911x.c134
1 files changed, 69 insertions, 65 deletions
diff --git a/main/dev/smsc911x.c b/main/dev/smsc911x.c
index bf4e7d0..418313a 100644
--- a/main/dev/smsc911x.c
+++ b/main/dev/smsc911x.c
@@ -2,10 +2,10 @@
//
// smsc911x.c
//
-//
+//
//
// Author(s): Jay Monkman <jtm@lopingdog.com>
-// Contributors:
+// Contributors:
// Date: 06-07-2007
// Description: Driver for the SMSC 911x and 912x families of
// ethernet controllers
@@ -28,13 +28,13 @@
//--------------------------------------------------------------------------
static ulong smsc911x_mac_read(int reg)
{
- while (MAC_CSR_CMD & MAC_CSR_CMD_CSR_BUSY) {
+ while(MAC_CSR_CMD & MAC_CSR_CMD_CSR_BUSY) {
continue;
}
MAC_CSR_CMD = MAC_RD_CMD(reg);
- while (MAC_CSR_CMD & MAC_CSR_CMD_CSR_BUSY) {
+ while(MAC_CSR_CMD & MAC_CSR_CMD_CSR_BUSY) {
continue;
}
@@ -48,14 +48,14 @@ static ulong smsc911x_mac_read(int reg)
//--------------------------------------------------------------------------
static void smsc911x_mac_write(int reg, ulong val)
{
- while (MAC_CSR_CMD & MAC_CSR_CMD_CSR_BUSY) {
+ while(MAC_CSR_CMD & MAC_CSR_CMD_CSR_BUSY) {
continue;
}
MAC_CSR_DATA = val;
MAC_CSR_CMD = MAC_WR_CMD(reg);
- while (MAC_CSR_CMD & MAC_CSR_CMD_CSR_BUSY) {
+ while(MAC_CSR_CMD & MAC_CSR_CMD_CSR_BUSY) {
continue;
}
}
@@ -63,18 +63,18 @@ static void smsc911x_mac_write(int reg, ulong val)
//--------------------------------------------------------------------------
// smsc911x_phy_read()
//
-// Reads a PHY register
+// Reads a PHY register
//--------------------------------------------------------------------------
#if 0
static ulong smsc911x_phy_read(int reg)
{
- while (smsc911x_mac_read(MII_ACC) & MII_ACC_BUSY) {
+ while(smsc911x_mac_read(MII_ACC) & MII_ACC_BUSY) {
continue;
}
smsc911x_mac_write(MII_ACC, MII_ACC_ADDR(1) | MII_ACC_REG(reg));
- while (smsc911x_mac_read(MII_ACC) & MII_ACC_BUSY) {
+ while(smsc911x_mac_read(MII_ACC) & MII_ACC_BUSY) {
continue;
}
@@ -89,17 +89,17 @@ static ulong smsc911x_phy_read(int reg)
//--------------------------------------------------------------------------
static void smsc911x_phy_write(int reg, ushort val)
{
- while (smsc911x_mac_read(MII_ACC) & MII_ACC_BUSY) {
+ while(smsc911x_mac_read(MII_ACC) & MII_ACC_BUSY) {
continue;
}
smsc911x_mac_write(MII_DATA, val);
- smsc911x_mac_write(MII_ACC, (MII_ACC_ADDR(1) |
- MII_ACC_REG(reg) |
+ smsc911x_mac_write(MII_ACC, (MII_ACC_ADDR(1) |
+ MII_ACC_REG(reg) |
MII_ACC_WR));
- while (smsc911x_mac_read(MII_ACC) & MII_ACC_BUSY) {
+ while(smsc911x_mac_read(MII_ACC) & MII_ACC_BUSY) {
continue;
}
}
@@ -115,14 +115,14 @@ void smsc911x_reset(void)
HW_CFG |= HW_CFG_SRST;
/* Wait for it */
- while (HW_CFG & HW_CFG_SRST) {
+ while(HW_CFG & HW_CFG_SRST) {
continue;
}
PMT_CTRL |= PMT_CTRL_PHY_RST;
/* Wait for it */
- while (PMT_CTRL & PMT_CTRL_PHY_RST) {
+ while(PMT_CTRL & PMT_CTRL_PHY_RST) {
continue;
}
}
@@ -135,7 +135,7 @@ void smsc911x_reset(void)
static void smsc911x_set_mac(void)
{
ulong i;
-
+
i = ((BinEnetAddr[5] << 8) |
(BinEnetAddr[4] << 0));
smsc911x_mac_write(ADDRH, i);
@@ -166,21 +166,25 @@ int smsc911x_init(void)
switch(ID_REV) {
case ID_REV_CHIP_9118:
- if (EtherVerbose & SHOW_DRIVER_DEBUG)
- printf("Found SMSC9118\n");
- break;
+ if(EtherVerbose & SHOW_DRIVER_DEBUG) {
+ printf("Found SMSC9118\n");
+ }
+ break;
case ID_REV_CHIP_9211:
- if (EtherVerbose & SHOW_DRIVER_DEBUG)
- printf("Found SMSC9211\n");
- break;
+ if(EtherVerbose & SHOW_DRIVER_DEBUG) {
+ printf("Found SMSC9211\n");
+ }
+ break;
case ID_REV_CHIP_9215:
- if (EtherVerbose & SHOW_DRIVER_DEBUG)
- printf("Found SMSC9215\n");
- break;
+ if(EtherVerbose & SHOW_DRIVER_DEBUG) {
+ printf("Found SMSC9215\n");
+ }
+ break;
case ID_REV_CHIP_9218:
- if (EtherVerbose & SHOW_DRIVER_DEBUG)
- printf("Found SMSC9218\n");
- break;
+ if(EtherVerbose & SHOW_DRIVER_DEBUG) {
+ printf("Found SMSC9218\n");
+ }
+ break;
default:
printf("Unidentified Ethernet controller: 0x%x\n", ID_REV);
return -1;
@@ -197,22 +201,22 @@ int smsc911x_init(void)
AFC_CFG_BACK_DUR(0x4));
/* Configure the GPIOs as LEDs */
- GPIO_CFG = (GPIO_CFG_LED3_EN |
- GPIO_CFG_LED2_EN |
- GPIO_CFG_LED1_EN |
+ GPIO_CFG = (GPIO_CFG_LED3_EN |
+ GPIO_CFG_LED2_EN |
+ GPIO_CFG_LED1_EN |
GPIO_CFG_GPIOBUF(2) |
GPIO_CFG_GPIOBUF(1) |
GPIO_CFG_GPIOBUF(0));
/* Configure PHY to advertise all speeds */
- smsc911x_phy_write(PHY_ANAR, (PHY_ANAR_100TX_FD |
+ smsc911x_phy_write(PHY_ANAR, (PHY_ANAR_100TX_FD |
PHY_ANAR_100TX |
PHY_ANAR_10T_FD |
PHY_ANAR_10T |
PHY_ANAR_SF));
/* Enable auto negotiation */
- smsc911x_phy_write(PHY_BCR, (PHY_BCR_ANE |
+ smsc911x_phy_write(PHY_BCR, (PHY_BCR_ANE |
PHY_BCR_RAN));
/* Set the controller to buffer entire packets */
@@ -230,7 +234,7 @@ int smsc911x_init(void)
RX_CFG = 0;
- return 0;
+ return 0;
}
void
@@ -307,37 +311,37 @@ int smsc911x_tx(uchar *txbuf, ulong len)
/* Wait until space is available for the packet */
do {
avail = TX_FIFO_INF & TX_FIFO_TDFREE_MASK;
- } while (avail < len);
+ } while(avail < len);
- cmda = (TX_CMD_FS |
- TX_CMD_LS |
- TX_CMD_BS(len));
+ cmda = (TX_CMD_FS |
+ TX_CMD_LS |
+ TX_CMD_BS(len));
- cmdb = TX_CMD_PKTLEN(len);
+ cmdb = TX_CMD_PKTLEN(len);
- TX_FIFO_PORT = cmda;
- TX_FIFO_PORT = cmdb;
- p = (ulong*)txbuf;
+ TX_FIFO_PORT = cmda;
+ TX_FIFO_PORT = cmdb;
+ p = (ulong *)txbuf;
- for (i = 0; i < (len/4); i++) {
- TX_FIFO_PORT = p[i];
-
- }
+ for(i = 0; i < (len/4); i++) {
+ TX_FIFO_PORT = p[i];
- if ((len & 0x3) != 0) {
- int index = len & ~3;
- int num = len & 3;
- ulong last = 0;
+ }
- for (i = 0; i < num; i++) {
- last |= (txbuf[index + i] << (i * 8));
- }
+ if((len & 0x3) != 0) {
+ int index = len & ~3;
+ int num = len & 3;
+ ulong last = 0;
- TX_FIFO_PORT = last;
- }
+ for(i = 0; i < num; i++) {
+ last |= (txbuf[index + i] << (i * 8));
+ }
+ TX_FIFO_PORT = last;
+ }
- return 0;
+
+ return 0;
}
//--------------------------------------------------------------------------
@@ -354,39 +358,39 @@ int smsc911x_rx(uchar *pktbuf)
ulong inf = RX_FIFO_INF;
ulong *p = (ulong *)pktbuf;
- if (((inf >> 16) & 0xffff) == 0) {
+ if(((inf >> 16) & 0xffff) == 0) {
return 0;
}
status = RX_STATUS_FIFO_PORT;
size = (status & RX_STATUS_PL_MASK) >> RX_STATUS_PL_SHIFT;
- if (size == 0) {
+ if(size == 0) {
return 0;
}
- if ((status & RX_STATUS_ES) == 0) {
- for (i = 0; i < ((size + 3) / 4); i++) {
+ if((status & RX_STATUS_ES) == 0) {
+ for(i = 0; i < ((size + 3) / 4); i++) {
p[i] = RX_FIFO_PORT;
}
return size - 4;
} else {
/* Fast forward */
- if (size >= 16) {
+ if(size >= 16) {
RX_DP_CTL = RX_DP_RX_FFWD;
- while (RX_DP_CTL & RX_DP_RX_FFWD) {
+ while(RX_DP_CTL & RX_DP_RX_FFWD) {
continue;
}
} else {
ulong tmp;
- for (i = 0; i < ((size + 3)/4); i++) {
+ for(i = 0; i < ((size + 3)/4); i++) {
tmp = RX_FIFO_PORT;
}
- tmp = tmp; // eliminate 'set-but-not-unused' warning
+ tmp = tmp; // eliminate 'set-but-not-unused' warning
}
return 0;
}
}
-
+
#endif // INCLUDE_ETHERNET
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