* Control Registers in Bank 0
*/
-#define CTL_REG_ERDPTL 0x00
-#define CTL_REG_ERDPTH 0x01
-#define CTL_REG_EWRPTL 0x02
-#define CTL_REG_EWRPTH 0x03
-#define CTL_REG_ETXSTL 0x04
-#define CTL_REG_ETXSTH 0x05
-#define CTL_REG_ETXNDL 0x06
-#define CTL_REG_ETXNDH 0x07
-#define CTL_REG_ERXSTL 0x08
-#define CTL_REG_ERXSTH 0x09
-#define CTL_REG_ERXNDL 0x0A
-#define CTL_REG_ERXNDA 0x0B
+#define CTL_REG_ERDPTL 0x00
+#define CTL_REG_ERDPTH 0x01
+#define CTL_REG_EWRPTL 0x02
+#define CTL_REG_EWRPTH 0x03
+#define CTL_REG_ETXSTL 0x04
+#define CTL_REG_ETXSTH 0x05
+#define CTL_REG_ETXNDL 0x06
+#define CTL_REG_ETXNDH 0x07
+#define CTL_REG_ERXSTL 0x08
+#define CTL_REG_ERXSTH 0x09
+#define CTL_REG_ERXNDL 0x0A
+#define CTL_REG_ERXNDA 0x0B
#define CTL_REG_ERXRDPTL 0x0C
#define CTL_REG_ERXRDPTH 0x0D
#define CTL_REG_ERXWRPTL 0x0E
#define CTL_REG_EDMACSL 0x16
#define CTL_REG_EDMACSH 0x17
/* these are common in all banks */
-#define CTL_REG_EIE 0x1B
-#define CTL_REG_EIR 0x1C
-#define CTL_REG_ESTAT 0x1D
-#define CTL_REG_ECON2 0x1E
-#define CTL_REG_ECON1 0x1F
+#define CTL_REG_EIE 0x1B
+#define CTL_REG_EIR 0x1C
+#define CTL_REG_ESTAT 0x1D
+#define CTL_REG_ECON2 0x1E
+#define CTL_REG_ECON1 0x1F
/*
* Control Registers in Bank 1
*/
-#define CTL_REG_EHT0 0x00
-#define CTL_REG_EHT1 0x01
-#define CTL_REG_EHT2 0x02
-#define CTL_REG_EHT3 0x03
-#define CTL_REG_EHT4 0x04
-#define CTL_REG_EHT5 0x05
-#define CTL_REG_EHT6 0x06
-#define CTL_REG_EHT7 0x07
-#define CTL_REG_EPMM0 0x08
-#define CTL_REG_EPMM1 0x09
-#define CTL_REG_EPMM2 0x0A
-#define CTL_REG_EPMM3 0x0B
-#define CTL_REG_EPMM4 0x0C
-#define CTL_REG_EPMM5 0x0D
-#define CTL_REG_EPMM6 0x0E
-#define CTL_REG_EPMM7 0x0F
-#define CTL_REG_EPMCSL 0x10
-#define CTL_REG_EPMCSH 0x11
-#define CTL_REG_EPMOL 0x14
-#define CTL_REG_EPMOH 0x15
-#define CTL_REG_EWOLIE 0x16
-#define CTL_REG_EWOLIR 0x17
+#define CTL_REG_EHT0 0x00
+#define CTL_REG_EHT1 0x01
+#define CTL_REG_EHT2 0x02
+#define CTL_REG_EHT3 0x03
+#define CTL_REG_EHT4 0x04
+#define CTL_REG_EHT5 0x05
+#define CTL_REG_EHT6 0x06
+#define CTL_REG_EHT7 0x07
+#define CTL_REG_EPMM0 0x08
+#define CTL_REG_EPMM1 0x09
+#define CTL_REG_EPMM2 0x0A
+#define CTL_REG_EPMM3 0x0B
+#define CTL_REG_EPMM4 0x0C
+#define CTL_REG_EPMM5 0x0D
+#define CTL_REG_EPMM6 0x0E
+#define CTL_REG_EPMM7 0x0F
+#define CTL_REG_EPMCSL 0x10
+#define CTL_REG_EPMCSH 0x11
+#define CTL_REG_EPMOL 0x14
+#define CTL_REG_EPMOH 0x15
+#define CTL_REG_EWOLIE 0x16
+#define CTL_REG_EWOLIR 0x17
#define CTL_REG_ERXFCON 0x18
#define CTL_REG_EPKTCNT 0x19
* Control Registers in Bank 2
*/
-#define CTL_REG_MACON1 0x00
-#define CTL_REG_MACON2 0x01
-#define CTL_REG_MACON3 0x02
-#define CTL_REG_MACON4 0x03
+#define CTL_REG_MACON1 0x00
+#define CTL_REG_MACON2 0x01
+#define CTL_REG_MACON3 0x02
+#define CTL_REG_MACON4 0x03
#define CTL_REG_MABBIPG 0x04
-#define CTL_REG_MAIPGL 0x06
-#define CTL_REG_MAIPGH 0x07
+#define CTL_REG_MAIPGL 0x06
+#define CTL_REG_MAIPGH 0x07
#define CTL_REG_MACLCON1 0x08
#define CTL_REG_MACLCON2 0x09
#define CTL_REG_MAMXFLL 0x0A
#define CTL_REG_MAMXFLH 0x0B
#define CTL_REG_MAPHSUP 0x0D
-#define CTL_REG_MICON 0x11
-#define CTL_REG_MICMD 0x12
+#define CTL_REG_MICON 0x11
+#define CTL_REG_MICMD 0x12
#define CTL_REG_MIREGADR 0x14
-#define CTL_REG_MIWRL 0x16
-#define CTL_REG_MIWRH 0x17
-#define CTL_REG_MIRDL 0x18
-#define CTL_REG_MIRDH 0x19
+#define CTL_REG_MIWRL 0x16
+#define CTL_REG_MIWRH 0x17
+#define CTL_REG_MIRDL 0x18
+#define CTL_REG_MIRDH 0x19
/*
* Control Registers in Bank 3
*/
-#define CTL_REG_MAADR1 0x00
-#define CTL_REG_MAADR0 0x01
-#define CTL_REG_MAADR3 0x02
-#define CTL_REG_MAADR2 0x03
-#define CTL_REG_MAADR5 0x04
-#define CTL_REG_MAADR4 0x05
-#define CTL_REG_EBSTSD 0x06
+#define CTL_REG_MAADR1 0x00
+#define CTL_REG_MAADR0 0x01
+#define CTL_REG_MAADR3 0x02
+#define CTL_REG_MAADR2 0x03
+#define CTL_REG_MAADR5 0x04
+#define CTL_REG_MAADR4 0x05
+#define CTL_REG_EBSTSD 0x06
#define CTL_REG_EBSTCON 0x07
#define CTL_REG_EBSTCSL 0x08
#define CTL_REG_EBSTCSH 0x09
-#define CTL_REG_MISTAT 0x0A
-#define CTL_REG_EREVID 0x12
-#define CTL_REG_ECOCON 0x15
+#define CTL_REG_MISTAT 0x0A
+#define CTL_REG_EREVID 0x12
+#define CTL_REG_ECOCON 0x15
#define CTL_REG_EFLOCON 0x17
-#define CTL_REG_EPAUSL 0x18
-#define CTL_REG_EPAUSH 0x19
+#define CTL_REG_EPAUSL 0x18
+#define CTL_REG_EPAUSH 0x19
/*
#define ENC_ECON1_DMAST 0x20
#define ENC_ECON1_CSUMEN 0x10
#define ENC_ECON1_TXRTS 0x08
-#define ENC_ECON1_RXEN 0x04
+#define ENC_ECON1_RXEN 0x04
#define ENC_ECON1_BSEL1 0x02
#define ENC_ECON1_BSEL0 0x01
#define ENC_ECON2_AUTOINC 0x80
#define ENC_ECON2_PKTDEC 0x40
#define ENC_ECON2_PWRSV 0x20
-#define ENC_ECON2_VRPS 0x08
+#define ENC_ECON2_VRPS 0x08
/*
* EIR Register Bits
* ESTAT Register Bits
*/
-#define ENC_ESTAT_INT 0x80
+#define ENC_ESTAT_INT 0x80
#define ENC_ESTAT_LATECOL 0x10
#define ENC_ESTAT_RXBUSY 0x04
#define ENC_ESTAT_TXABRT 0x02
*/
#define ENC_PHID1_VALUE 0x0083
#define ENC_PHID2_VALUE 0x1400
-#define ENC_PHID2_MASK 0xFC00
+#define ENC_PHID2_MASK 0xFC00
-#define ENC_SPI_SLAVE_CS 0x00010000 /* pin P1.16 */
-#define ENC_RESET 0x00020000 /* pin P1.17 */
+#define ENC_SPI_SLAVE_CS 0x00010000 /* pin P1.16 */
+#define ENC_RESET 0x00020000 /* pin P1.17 */
#define FAILSAFE_VALUE 5000
#define enc_enable() PUT32(IO1CLR, ENC_SPI_SLAVE_CS)
#define enc_disable() PUT32(IO1SET, ENC_SPI_SLAVE_CS)
-#define enc_cfg_spi() spi_set_cfg(0, 0, 0); spi_set_clock(8);
-
-
-static unsigned char encReadReg(unsigned char regNo);
-static void encWriteReg(unsigned char regNo, unsigned char data);
-static void encWriteRegRetry(unsigned char regNo, unsigned char data, int c);
-static void encReadBuff(unsigned short length, unsigned char *pBuff);
-static void encWriteBuff(unsigned short length, unsigned char *pBuff);
-static void encBitSet(unsigned char regNo, unsigned char data);
-static void encBitClr(unsigned char regNo, unsigned char data);
-static void encReset(void);
-static void encInit(unsigned char *pEthAddr);
-static unsigned short phyRead(unsigned char addr);
-static void encPoll(void);
-static void encRx(void);
+#define enc_cfg_spi() spi_set_cfg(0, 0, 0); spi_set_clock(8);
+
+
+static unsigned char encReadReg (unsigned char regNo);
+static void encWriteReg (unsigned char regNo, unsigned char data);
+static void encWriteRegRetry (unsigned char regNo, unsigned char data, int c);
+static void encReadBuff (unsigned short length, unsigned char *pBuff);
+static void encWriteBuff (unsigned short length, unsigned char *pBuff);
+static void encBitSet (unsigned char regNo, unsigned char data);
+static void encBitClr (unsigned char regNo, unsigned char data);
+static void encReset (void);
+static void encInit (unsigned char *pEthAddr);
+static unsigned short phyRead (unsigned char addr);
+static void encPoll (void);
+static void encRx (void);
#define m_nic_read(reg) encReadReg(reg)
#define m_nic_write(reg, data) encWriteReg(reg, data)
/* bit field clear */
#define m_nic_bfc(reg, data) encBitClr(reg, data)
-static unsigned char bank = 0; /* current bank in enc28j60 */
+static unsigned char bank = 0; /* current bank in enc28j60 */
static unsigned char next_pointer_lsb;
static unsigned char next_pointer_msb;
static unsigned char buffer[ENC_MAX_FRM_LEN];
static int rxResetCounter = 0;
+
#define RX_RESET_COUNTER 1000;
/*-----------------------------------------------------------------------------
* Returns 0 when failes otherwize 1
*/
-int eth_init(bd_t *bis)
+int eth_init (bd_t * bis)
{
/* configure GPIO */
(*((volatile unsigned long *) IO1DIR)) |= ENC_SPI_SLAVE_CS;
(*((volatile unsigned long *) IO1DIR)) |= ENC_RESET;
/* CS and RESET active low */
- PUT32(IO1SET, ENC_SPI_SLAVE_CS);
- PUT32(IO1SET, ENC_RESET);
+ PUT32 (IO1SET, ENC_SPI_SLAVE_CS);
+ PUT32 (IO1SET, ENC_RESET);
- spi_init();
+ spi_init ();
/* initialize controller */
- encReset();
- encInit(bis->bi_enetaddr);
+ encReset ();
+ encInit (bis->bi_enetaddr);
- m_nic_bfs(CTL_REG_ECON1, ENC_ECON1_RXEN); /* enable receive */
+ m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_RXEN); /* enable receive */
return 0;
}
-int eth_send(volatile void *packet, int length)
+int eth_send (volatile void *packet, int length)
{
/* check frame length, etc. */
/* TODO: */
/* switch to bank 0 */
- m_nic_bfc(CTL_REG_ECON1, (ENC_ECON1_BSEL1 | ENC_ECON1_BSEL0));
+ m_nic_bfc (CTL_REG_ECON1, (ENC_ECON1_BSEL1 | ENC_ECON1_BSEL0));
/* set EWRPT */
- m_nic_write(CTL_REG_EWRPTL, (ENC_TX_BUF_START & 0xff));
- m_nic_write(CTL_REG_EWRPTH, (ENC_TX_BUF_START >> 8));
+ m_nic_write (CTL_REG_EWRPTL, (ENC_TX_BUF_START & 0xff));
+ m_nic_write (CTL_REG_EWRPTH, (ENC_TX_BUF_START >> 8));
/* set ETXST */
- m_nic_write(CTL_REG_ETXSTL, ENC_TX_BUF_START & 0xFF);
- m_nic_write(CTL_REG_ETXSTH, ENC_TX_BUF_START >> 8);
+ m_nic_write (CTL_REG_ETXSTL, ENC_TX_BUF_START & 0xFF);
+ m_nic_write (CTL_REG_ETXSTH, ENC_TX_BUF_START >> 8);
/* write packet */
- m_nic_write_data(length, (unsigned char*)packet);
+ m_nic_write_data (length, (unsigned char *) packet);
/* set ETXND */
- m_nic_write(CTL_REG_ETXNDL, (length + ENC_TX_BUF_START) & 0xFF);
- m_nic_write(CTL_REG_ETXNDH, (length + ENC_TX_BUF_START) >> 8);
+ m_nic_write (CTL_REG_ETXNDL, (length + ENC_TX_BUF_START) & 0xFF);
+ m_nic_write (CTL_REG_ETXNDH, (length + ENC_TX_BUF_START) >> 8);
/* set ECON1.TXRTS */
- m_nic_bfs(CTL_REG_ECON1, ENC_ECON1_TXRTS);
+ m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_TXRTS);
return 0;
}
* This function resets the receiver only. This function may be called from
* interrupt-context.
*/
-static void encReceiverReset(void)
+static void encReceiverReset (void)
{
unsigned char econ1;
- econ1 = m_nic_read(CTL_REG_ECON1);
- if((econ1 & ENC_ECON1_RXRST) == 0) {
- m_nic_bfs(CTL_REG_ECON1, ENC_ECON1_RXRST);
+ econ1 = m_nic_read (CTL_REG_ECON1);
+ if ((econ1 & ENC_ECON1_RXRST) == 0) {
+ m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_RXRST);
rxResetCounter = RX_RESET_COUNTER;
}
}
/*****************************************************************************
* receiver reset timer
*/
-static void encReceiverResetCallback(void)
+static void encReceiverResetCallback (void)
{
- m_nic_bfc(CTL_REG_ECON1, ENC_ECON1_RXRST);
- m_nic_bfs(CTL_REG_ECON1, ENC_ECON1_RXEN); /* enable receive */
+ m_nic_bfc (CTL_REG_ECON1, ENC_ECON1_RXRST);
+ m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_RXEN); /* enable receive */
}
/*-----------------------------------------------------------------------------
* Check for received packets. Call NetReceive for each packet. The return
* value is ignored by the caller.
*/
-int eth_rx(void)
+int eth_rx (void)
{
- if(rxResetCounter > 0 && --rxResetCounter == 0)
- {
- encReceiverResetCallback();
+ if (rxResetCounter > 0 && --rxResetCounter == 0) {
+ encReceiverResetCallback ();
}
- encPoll();
+ encPoll ();
return 0;
}
-void eth_halt(void)
+void eth_halt (void)
{
- m_nic_bfc(CTL_REG_ECON1, ENC_ECON1_RXEN); /* disable receive */
+ m_nic_bfc (CTL_REG_ECON1, ENC_ECON1_RXEN); /* disable receive */
}
/*****************************************************************************/
-static void encPoll(void)
+static void encPoll (void)
{
unsigned char eir_reg;
volatile unsigned char estat_reg;
unsigned char pkt_cnt;
/* clear global interrupt enable bit in enc28j60 */
- m_nic_bfc(CTL_REG_EIE, ENC_EIE_INTIE);
- estat_reg = m_nic_read(CTL_REG_ESTAT);
+ m_nic_bfc (CTL_REG_EIE, ENC_EIE_INTIE);
+ estat_reg = m_nic_read (CTL_REG_ESTAT);
- eir_reg = m_nic_read(CTL_REG_EIR);
+ eir_reg = m_nic_read (CTL_REG_EIR);
- if (eir_reg & ENC_EIR_TXIF){
+ if (eir_reg & ENC_EIR_TXIF) {
/* clear TXIF bit in EIR */
- m_nic_bfc(CTL_REG_EIR, ENC_EIR_TXIF);
+ m_nic_bfc (CTL_REG_EIR, ENC_EIR_TXIF);
}
/* We have to use pktcnt and not pktif bit, see errata pt. 6 */
/* move to bank 1 */
- m_nic_bfc(CTL_REG_ECON1, ENC_ECON1_BSEL1);
- m_nic_bfs(CTL_REG_ECON1, ENC_ECON1_BSEL0);
+ m_nic_bfc (CTL_REG_ECON1, ENC_ECON1_BSEL1);
+ m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_BSEL0);
/* read pktcnt */
- pkt_cnt = m_nic_read(CTL_REG_EPKTCNT);
+ pkt_cnt = m_nic_read (CTL_REG_EPKTCNT);
if (pkt_cnt > 0) {
if ((eir_reg & ENC_EIR_PKTIF) == 0) {
- /*printf("encPoll: pkt cnt > 0, but pktif not set\n"); */
+ /*printf("encPoll: pkt cnt > 0, but pktif not set\n"); */
}
- encRx();
+ encRx ();
/* clear PKTIF bit in EIR, this should not need to be done but it
seems like we get problems if we do not */
- m_nic_bfc(CTL_REG_EIR, ENC_EIR_PKTIF);
+ m_nic_bfc (CTL_REG_EIR, ENC_EIR_PKTIF);
}
if (eir_reg & ENC_EIR_RXERIF) {
- printf("encPoll: rx error\n");
- m_nic_bfc(CTL_REG_EIR, ENC_EIR_RXERIF);
+ printf ("encPoll: rx error\n");
+ m_nic_bfc (CTL_REG_EIR, ENC_EIR_RXERIF);
}
if (eir_reg & ENC_EIR_TXERIF) {
- printf("encPoll: tx error\n");
- m_nic_bfc(CTL_REG_EIR, ENC_EIR_TXERIF);
+ printf ("encPoll: tx error\n");
+ m_nic_bfc (CTL_REG_EIR, ENC_EIR_TXERIF);
}
/* set global interrupt enable bit in enc28j60 */
- m_nic_bfs(CTL_REG_EIE, ENC_EIE_INTIE);
+ m_nic_bfs (CTL_REG_EIE, ENC_EIE_INTIE);
}
-static void encRx(void)
+static void encRx (void)
{
unsigned short pkt_len;
unsigned short copy_len;
unsigned char pkt_cnt = 0;
/* switch to bank 0 */
- m_nic_bfc(CTL_REG_ECON1, (ENC_ECON1_BSEL1 | ENC_ECON1_BSEL0));
+ m_nic_bfc (CTL_REG_ECON1, (ENC_ECON1_BSEL1 | ENC_ECON1_BSEL0));
- m_nic_write(CTL_REG_ERDPTL, next_pointer_lsb);
- m_nic_write(CTL_REG_ERDPTH, next_pointer_msb);
+ m_nic_write (CTL_REG_ERDPTL, next_pointer_lsb);
+ m_nic_write (CTL_REG_ERDPTH, next_pointer_msb);
do {
- m_nic_read_data(6, buffer);
+ m_nic_read_data (6, buffer);
next_pointer_lsb = buffer[0];
next_pointer_msb = buffer[1];
pkt_len = buffer[2];
- pkt_len |= (unsigned short)buffer[3] << 8;
+ pkt_len |= (unsigned short) buffer[3] << 8;
status = buffer[4];
- status |= (unsigned short)buffer[5] << 8;
+ status |= (unsigned short) buffer[5] << 8;
if (pkt_len <= ENC_MAX_FRM_LEN) {
copy_len = pkt_len;
/* we will drop this packet */
}
- if ((status & (1L << 7)) == 0) { /* check Received Ok bit */
+ if ((status & (1L << 7)) == 0) { /* check Received Ok bit */
copy_len = 0;
/* p_priv->stats.rx_errors++; */
}
- if (copy_len > 0) {
- m_nic_read_data(copy_len, buffer);
- }
+ if (copy_len > 0) {
+ m_nic_read_data (copy_len, buffer);
+ }
/* advance read pointer to next pointer */
- m_nic_write(CTL_REG_ERDPTL, next_pointer_lsb);
- m_nic_write(CTL_REG_ERDPTH, next_pointer_msb);
+ m_nic_write (CTL_REG_ERDPTL, next_pointer_lsb);
+ m_nic_write (CTL_REG_ERDPTH, next_pointer_msb);
/* decrease packet counter */
- m_nic_bfs(CTL_REG_ECON2, ENC_ECON2_PKTDEC);
+ m_nic_bfs (CTL_REG_ECON2, ENC_ECON2_PKTDEC);
/* move to bank 1 */
- m_nic_bfc(CTL_REG_ECON1, ENC_ECON1_BSEL1);
- m_nic_bfs(CTL_REG_ECON1, ENC_ECON1_BSEL0);
+ m_nic_bfc (CTL_REG_ECON1, ENC_ECON1_BSEL1);
+ m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_BSEL0);
/* read pktcnt */
- pkt_cnt = m_nic_read(CTL_REG_EPKTCNT);
+ pkt_cnt = m_nic_read (CTL_REG_EPKTCNT);
/* switch to bank 0 */
- m_nic_bfc(CTL_REG_ECON1, (ENC_ECON1_BSEL1 | ENC_ECON1_BSEL0));
+ m_nic_bfc (CTL_REG_ECON1,
+ (ENC_ECON1_BSEL1 | ENC_ECON1_BSEL0));
if (copy_len == 0) {
- eir_reg = m_nic_read(CTL_REG_EIR);
- encReceiverReset();
- printf("eth_rx: copy_len=0\n");
+ eir_reg = m_nic_read (CTL_REG_EIR);
+ encReceiverReset ();
+ printf ("eth_rx: copy_len=0\n");
continue;
}
- NetReceive((unsigned char *)buffer, pkt_len);
+ NetReceive ((unsigned char *) buffer, pkt_len);
- eir_reg = m_nic_read(CTL_REG_EIR);
- } while (pkt_cnt); /* Use EPKTCNT not EIR.PKTIF flag, see errata pt. 6 */
- m_nic_write(CTL_REG_ERXRDPTL, next_pointer_lsb);
- m_nic_write(CTL_REG_ERXRDPTH, next_pointer_msb);
+ eir_reg = m_nic_read (CTL_REG_EIR);
+ } while (pkt_cnt); /* Use EPKTCNT not EIR.PKTIF flag, see errata pt. 6 */
+ m_nic_write (CTL_REG_ERXRDPTL, next_pointer_lsb);
+ m_nic_write (CTL_REG_ERXRDPTH, next_pointer_msb);
}
-static void encWriteReg(unsigned char regNo, unsigned char data)
+static void encWriteReg (unsigned char regNo, unsigned char data)
{
- spi_lock();
- enc_cfg_spi();
- enc_enable();
+ spi_lock ();
+ enc_cfg_spi ();
+ enc_enable ();
- spi_write(0x40 | regNo); /* write in regNo */
- spi_write(data);
+ spi_write (0x40 | regNo); /* write in regNo */
+ spi_write (data);
- enc_disable();
- enc_enable();
+ enc_disable ();
+ enc_enable ();
- spi_write(0x1f); /* write reg 0x1f */
+ spi_write (0x1f); /* write reg 0x1f */
- enc_disable();
- spi_unlock();
+ enc_disable ();
+ spi_unlock ();
}
-static void encWriteRegRetry(unsigned char regNo, unsigned char data, int c)
+static void encWriteRegRetry (unsigned char regNo, unsigned char data, int c)
{
unsigned char readback;
int i;
- spi_lock();
+ spi_lock ();
for (i = 0; i < c; i++) {
- enc_cfg_spi();
- enc_enable();
+ enc_cfg_spi ();
+ enc_enable ();
- spi_write(0x40 | regNo); /* write in regNo */
- spi_write(data);
+ spi_write (0x40 | regNo); /* write in regNo */
+ spi_write (data);
- enc_disable();
- enc_enable();
+ enc_disable ();
+ enc_enable ();
- spi_write(0x1f); /* write reg 0x1f */
+ spi_write (0x1f); /* write reg 0x1f */
- enc_disable();
+ enc_disable ();
- spi_unlock(); /* we must unlock spi first */
+ spi_unlock (); /* we must unlock spi first */
- readback = encReadReg(regNo);
+ readback = encReadReg (regNo);
- spi_lock();
+ spi_lock ();
if (readback == data)
break;
}
- spi_unlock();
+ spi_unlock ();
if (i == c) {
- printf("enc28j60: write reg %d failed\n", regNo);
+ printf ("enc28j60: write reg %d failed\n", regNo);
}
}
-static unsigned char encReadReg(unsigned char regNo)
+static unsigned char encReadReg (unsigned char regNo)
{
unsigned char rxByte;
- spi_lock();
- enc_cfg_spi();
- enc_enable();
+ spi_lock ();
+ enc_cfg_spi ();
+ enc_enable ();
- spi_write(0x1f); /* read reg 0x1f */
+ spi_write (0x1f); /* read reg 0x1f */
- bank = spi_read() & 0x3;
+ bank = spi_read () & 0x3;
- enc_disable();
- enc_enable();
+ enc_disable ();
+ enc_enable ();
- spi_write(regNo);
- rxByte = spi_read();
+ spi_write (regNo);
+ rxByte = spi_read ();
/* check if MAC or MII register */
if (((bank == 2) && (regNo <= 0x1a)) ||
- ((bank == 3) && (regNo <= 0x05 || regNo == 0x0a))) {
+ ((bank == 3) && (regNo <= 0x05 || regNo == 0x0a))) {
/* ignore first byte and read another byte */
- rxByte = spi_read();
+ rxByte = spi_read ();
}
- enc_disable();
- spi_unlock();
+ enc_disable ();
+ spi_unlock ();
return rxByte;
}
-static void encReadBuff(unsigned short length, unsigned char *pBuff)
+static void encReadBuff (unsigned short length, unsigned char *pBuff)
{
- spi_lock();
- enc_cfg_spi();
- enc_enable();
+ spi_lock ();
+ enc_cfg_spi ();
+ enc_enable ();
- spi_write(0x20 | 0x1a); /* read buffer memory */
+ spi_write (0x20 | 0x1a); /* read buffer memory */
- while(length--) {
- if(pBuff != NULL)
- *pBuff++ = spi_read();
+ while (length--) {
+ if (pBuff != NULL)
+ *pBuff++ = spi_read ();
else
- spi_write(0);
+ spi_write (0);
}
- enc_disable();
- spi_unlock();
+ enc_disable ();
+ spi_unlock ();
}
-static void encWriteBuff(unsigned short length,
- unsigned char *pBuff)
+static void encWriteBuff (unsigned short length, unsigned char *pBuff)
{
- spi_lock();
- enc_cfg_spi();
- enc_enable();
+ spi_lock ();
+ enc_cfg_spi ();
+ enc_enable ();
- spi_write(0x60 | 0x1a); /* write buffer memory */
+ spi_write (0x60 | 0x1a); /* write buffer memory */
- spi_write(0x00); /* control byte */
+ spi_write (0x00); /* control byte */
- while(length--)
- spi_write(*pBuff++);
+ while (length--)
+ spi_write (*pBuff++);
- enc_disable();
- spi_unlock();
+ enc_disable ();
+ spi_unlock ();
}
-static void encBitSet(unsigned char regNo, unsigned char data)
+static void encBitSet (unsigned char regNo, unsigned char data)
{
- spi_lock();
- enc_cfg_spi();
- enc_enable();
+ spi_lock ();
+ enc_cfg_spi ();
+ enc_enable ();
- spi_write(0x80 | regNo); /* bit field set */
- spi_write(data);
+ spi_write (0x80 | regNo); /* bit field set */
+ spi_write (data);
- enc_disable();
- spi_unlock();
+ enc_disable ();
+ spi_unlock ();
}
-static void encBitClr(unsigned char regNo, unsigned char data)
+static void encBitClr (unsigned char regNo, unsigned char data)
{
- spi_lock();
- enc_cfg_spi();
- enc_enable();
+ spi_lock ();
+ enc_cfg_spi ();
+ enc_enable ();
- spi_write(0xA0 | regNo); /* bit field clear */
- spi_write(data);
+ spi_write (0xA0 | regNo); /* bit field clear */
+ spi_write (data);
- enc_disable();
- spi_unlock();
+ enc_disable ();
+ spi_unlock ();
}
-static void encReset(void)
+static void encReset (void)
{
- spi_lock();
- enc_cfg_spi();
- enc_enable();
+ spi_lock ();
+ enc_cfg_spi ();
+ enc_enable ();
- spi_write(0xff); /* soft reset */
+ spi_write (0xff); /* soft reset */
- enc_disable();
- spi_unlock();
+ enc_disable ();
+ spi_unlock ();
/* sleep 1 ms. See errata pt. 2 */
- udelay(1000);
+ udelay (1000);
#if 0
- (*((volatile unsigned long*)IO1CLR)) &= ENC_RESET;
- mdelay(5);
- (*((volatile unsigned long*)IO1SET)) &= ENC_RESET;
+ (*((volatile unsigned long *) IO1CLR)) &= ENC_RESET;
+ mdelay (5);
+ (*((volatile unsigned long *) IO1SET)) &= ENC_RESET;
#endif
}
-static void encInit(unsigned char *pEthAddr)
+static void encInit (unsigned char *pEthAddr)
{
unsigned short phid1 = 0;
unsigned short phid2 = 0;
/* switch to bank 0 */
- m_nic_bfc(CTL_REG_ECON1, (ENC_ECON1_BSEL1 | ENC_ECON1_BSEL0));
+ m_nic_bfc (CTL_REG_ECON1, (ENC_ECON1_BSEL1 | ENC_ECON1_BSEL0));
- /*
- * Setup the buffer space. The reset values are valid for the
- * other pointers.
- */
+ /*
+ * Setup the buffer space. The reset values are valid for the
+ * other pointers.
+ */
#if 0
- /* We shall not write to ERXST, see errata pt. 5. Instead we
- have to make sure that ENC_RX_BUS_START is 0. */
- m_nic_write_retry(CTL_REG_ERXSTL, (ENC_RX_BUF_START & 0xFF), 1);
- m_nic_write_retry(CTL_REG_ERXSTH, (ENC_RX_BUF_START >> 8), 1);
+ /* We shall not write to ERXST, see errata pt. 5. Instead we
+ have to make sure that ENC_RX_BUS_START is 0. */
+ m_nic_write_retry (CTL_REG_ERXSTL, (ENC_RX_BUF_START & 0xFF), 1);
+ m_nic_write_retry (CTL_REG_ERXSTH, (ENC_RX_BUF_START >> 8), 1);
#endif
- m_nic_write_retry(CTL_REG_ERDPTL, (ENC_RX_BUF_START & 0xFF), 1);
- m_nic_write_retry(CTL_REG_ERDPTH, (ENC_RX_BUF_START >> 8), 1);
+ m_nic_write_retry (CTL_REG_ERDPTL, (ENC_RX_BUF_START & 0xFF), 1);
+ m_nic_write_retry (CTL_REG_ERDPTH, (ENC_RX_BUF_START >> 8), 1);
next_pointer_lsb = (ENC_RX_BUF_START & 0xFF);
next_pointer_msb = (ENC_RX_BUF_START >> 8);
/*
- * For tracking purposes, the ERXRDPT registers should be programmed with
- * the same value. This is the read pointer.
- */
- m_nic_write(CTL_REG_ERXRDPTL, (ENC_RX_BUF_START & 0xFF));
- m_nic_write_retry(CTL_REG_ERXRDPTH, (ENC_RX_BUF_START >> 8), 1);
+ * For tracking purposes, the ERXRDPT registers should be programmed with
+ * the same value. This is the read pointer.
+ */
+ m_nic_write (CTL_REG_ERXRDPTL, (ENC_RX_BUF_START & 0xFF));
+ m_nic_write_retry (CTL_REG_ERXRDPTH, (ENC_RX_BUF_START >> 8), 1);
/* Setup receive filters. */
/* move to bank 1 */
- m_nic_bfc(CTL_REG_ECON1, ENC_ECON1_BSEL1);
- m_nic_bfs(CTL_REG_ECON1, ENC_ECON1_BSEL0);
+ m_nic_bfc (CTL_REG_ECON1, ENC_ECON1_BSEL1);
+ m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_BSEL0);
/* OR-filtering, Unicast, CRC-check and broadcast */
- m_nic_write_retry(CTL_REG_ERXFCON,
- (ENC_RFR_UCEN|ENC_RFR_CRCEN|ENC_RFR_BCEN), 1);
+ m_nic_write_retry (CTL_REG_ERXFCON,
+ (ENC_RFR_UCEN | ENC_RFR_CRCEN | ENC_RFR_BCEN), 1);
/* Wait for Oscillator Start-up Timer (OST). */
- while((m_nic_read(CTL_REG_ESTAT) & ENC_ESTAT_CLKRDY) == 0) {
+ while ((m_nic_read (CTL_REG_ESTAT) & ENC_ESTAT_CLKRDY) == 0) {
static int cnt = 0;
- if(cnt++ >= 1000){
- cnt = 0;
+
+ if (cnt++ >= 1000) {
+ cnt = 0;
}
}
/* verify identification */
- phid1 = phyRead(PHY_REG_PHID1);
- phid2 = phyRead(PHY_REG_PHID2);
-
- if(phid1 != ENC_PHID1_VALUE
- || (phid2 & ENC_PHID2_MASK) != ENC_PHID2_VALUE) {
- printf("ERROR: failed to identify controller\n");
- printf("phid1 = %x, phid2 = %x\n",
- phid1, (phid2&ENC_PHID2_MASK));
- printf("should be phid1 = %x, phid2 = %x\n",
+ phid1 = phyRead (PHY_REG_PHID1);
+ phid2 = phyRead (PHY_REG_PHID2);
+
+ if (phid1 != ENC_PHID1_VALUE
+ || (phid2 & ENC_PHID2_MASK) != ENC_PHID2_VALUE) {
+ printf ("ERROR: failed to identify controller\n");
+ printf ("phid1 = %x, phid2 = %x\n",
+ phid1, (phid2 & ENC_PHID2_MASK));
+ printf ("should be phid1 = %x, phid2 = %x\n",
ENC_PHID1_VALUE, ENC_PHID2_VALUE);
}
/*
- * --- MAC Initialization ---
- */
+ * --- MAC Initialization ---
+ */
/* Pull MAC out of Reset */
/* switch to bank 2 */
- m_nic_bfc(CTL_REG_ECON1, ENC_ECON1_BSEL0);
- m_nic_bfs(CTL_REG_ECON1, ENC_ECON1_BSEL1);
+ m_nic_bfc (CTL_REG_ECON1, ENC_ECON1_BSEL0);
+ m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_BSEL1);
/* clear MAC reset bits */
- m_nic_write_retry(CTL_REG_MACON2, 0, 1);
+ m_nic_write_retry (CTL_REG_MACON2, 0, 1);
/* enable MAC to receive frames */
- m_nic_write_retry(CTL_REG_MACON1, ENC_MACON1_MARXEN, 10);
+ m_nic_write_retry (CTL_REG_MACON1, ENC_MACON1_MARXEN, 10);
- /* configure pad, tx-crc and duplex */
+ /* configure pad, tx-crc and duplex */
/* TODO maybe enable FRMLNEN */
- m_nic_write_retry(CTL_REG_MACON3, (ENC_MACON3_PADCFG0|ENC_MACON3_TXCRCEN),
- 10);
+ m_nic_write_retry (CTL_REG_MACON3,
+ (ENC_MACON3_PADCFG0 | ENC_MACON3_TXCRCEN), 10);
/* set maximum frame length */
- m_nic_write_retry(CTL_REG_MAMXFLL, (ENC_MAX_FRM_LEN & 0xff), 10);
- m_nic_write_retry(CTL_REG_MAMXFLH, (ENC_MAX_FRM_LEN >> 8), 10);
+ m_nic_write_retry (CTL_REG_MAMXFLL, (ENC_MAX_FRM_LEN & 0xff), 10);
+ m_nic_write_retry (CTL_REG_MAMXFLH, (ENC_MAX_FRM_LEN >> 8), 10);
- /*
- * Set MAC back-to-back inter-packet gap. Recommended 0x12 for half duplex
- * and 0x15 for full duplex.
- */
- m_nic_write_retry(CTL_REG_MABBIPG, 0x12, 10);
+ /*
+ * Set MAC back-to-back inter-packet gap. Recommended 0x12 for half duplex
+ * and 0x15 for full duplex.
+ */
+ m_nic_write_retry (CTL_REG_MABBIPG, 0x12, 10);
/* Set (low byte) Non-Back-to_Back Inter-Packet Gap. Recommended 0x12 */
- m_nic_write_retry(CTL_REG_MAIPGL, 0x12, 10);
+ m_nic_write_retry (CTL_REG_MAIPGL, 0x12, 10);
- /*
- * Set (high byte) Non-Back-to_Back Inter-Packet Gap. Recommended
- * 0x0c for half-duplex. Nothing for full-duplex
- */
- m_nic_write_retry(CTL_REG_MAIPGH, 0x0C, 10);
+ /*
+ * Set (high byte) Non-Back-to_Back Inter-Packet Gap. Recommended
+ * 0x0c for half-duplex. Nothing for full-duplex
+ */
+ m_nic_write_retry (CTL_REG_MAIPGH, 0x0C, 10);
/* set MAC address */
/* switch to bank 3 */
- m_nic_bfs(CTL_REG_ECON1, (ENC_ECON1_BSEL0|ENC_ECON1_BSEL1));
+ m_nic_bfs (CTL_REG_ECON1, (ENC_ECON1_BSEL0 | ENC_ECON1_BSEL1));
- m_nic_write_retry(CTL_REG_MAADR0, pEthAddr[5], 1);
- m_nic_write_retry(CTL_REG_MAADR1, pEthAddr[4], 1);
- m_nic_write_retry(CTL_REG_MAADR2, pEthAddr[3], 1);
- m_nic_write_retry(CTL_REG_MAADR3, pEthAddr[2], 1);
- m_nic_write_retry(CTL_REG_MAADR4, pEthAddr[1], 1);
- m_nic_write_retry(CTL_REG_MAADR5, pEthAddr[0], 1);
+ m_nic_write_retry (CTL_REG_MAADR0, pEthAddr[5], 1);
+ m_nic_write_retry (CTL_REG_MAADR1, pEthAddr[4], 1);
+ m_nic_write_retry (CTL_REG_MAADR2, pEthAddr[3], 1);
+ m_nic_write_retry (CTL_REG_MAADR3, pEthAddr[2], 1);
+ m_nic_write_retry (CTL_REG_MAADR4, pEthAddr[1], 1);
+ m_nic_write_retry (CTL_REG_MAADR5, pEthAddr[0], 1);
/*
- * Receive settings
- */
+ * Receive settings
+ */
/* auto-increment RX-pointer when reading a received packet */
- m_nic_bfs(CTL_REG_ECON2, ENC_ECON2_AUTOINC);
+ m_nic_bfs (CTL_REG_ECON2, ENC_ECON2_AUTOINC);
/* enable interrupts */
- m_nic_bfs(CTL_REG_EIE, ENC_EIE_PKTIE);
- m_nic_bfs(CTL_REG_EIE, ENC_EIE_TXIE);
- m_nic_bfs(CTL_REG_EIE, ENC_EIE_RXERIE);
- m_nic_bfs(CTL_REG_EIE, ENC_EIE_TXERIE);
- m_nic_bfs(CTL_REG_EIE, ENC_EIE_INTIE);
+ m_nic_bfs (CTL_REG_EIE, ENC_EIE_PKTIE);
+ m_nic_bfs (CTL_REG_EIE, ENC_EIE_TXIE);
+ m_nic_bfs (CTL_REG_EIE, ENC_EIE_RXERIE);
+ m_nic_bfs (CTL_REG_EIE, ENC_EIE_TXERIE);
+ m_nic_bfs (CTL_REG_EIE, ENC_EIE_INTIE);
}
/*****************************************************************************
* Returns:
* The value in the register
*/
-static unsigned short phyRead(unsigned char addr)
+static unsigned short phyRead (unsigned char addr)
{
unsigned short ret = 0;
/* move to bank 2 */
- m_nic_bfc(CTL_REG_ECON1, ENC_ECON1_BSEL0);
- m_nic_bfs(CTL_REG_ECON1, ENC_ECON1_BSEL1);
+ m_nic_bfc (CTL_REG_ECON1, ENC_ECON1_BSEL0);
+ m_nic_bfs (CTL_REG_ECON1, ENC_ECON1_BSEL1);
/* write address to MIREGADR */
- m_nic_write(CTL_REG_MIREGADR, addr);
+ m_nic_write (CTL_REG_MIREGADR, addr);
/* set MICMD.MIIRD */
- m_nic_write(CTL_REG_MICMD, ENC_MICMD_MIIRD);
+ m_nic_write (CTL_REG_MICMD, ENC_MICMD_MIIRD);
/* poll MISTAT.BUSY bit until operation is complete */
- while((m_nic_read(CTL_REG_MISTAT) & ENC_MISTAT_BUSY) != 0) {
+ while ((m_nic_read (CTL_REG_MISTAT) & ENC_MISTAT_BUSY) != 0) {
static int cnt = 0;
- if(cnt++ >= 1000) {
+ if (cnt++ >= 1000) {
/* GJ - this seems extremely dangerous! */
/* printf("#"); */
cnt = 0;
}
/* clear MICMD.MIIRD */
- m_nic_write(CTL_REG_MICMD, 0);
+ m_nic_write (CTL_REG_MICMD, 0);
- ret = (m_nic_read(CTL_REG_MIRDH) << 8);
- ret |= (m_nic_read(CTL_REG_MIRDL) & 0xFF);
+ ret = (m_nic_read (CTL_REG_MIRDH) << 8);
+ ret |= (m_nic_read (CTL_REG_MIRDL) & 0xFF);
return ret;
}
projects / u-boot / commitdiff