Patch by Wolter Kamphuis, 05 Dec 2003:

Add support for SNMC's QS850/QS823/QS860T boards

2 files changed, 329 insertions, 310 deletions

diff --git a/cpu/mpc8xx/scc.c b/cpu/mpc8xx/scc.c
index e0fae5d5b47..1a15a7bf101 100644
--- a/cpu/mpc8xx/scc.c
+++ b/cpu/mpc8xx/scc.c
@@ -140,42 +140,43 @@ static int scc_send(struct eth_device* dev, volatile void *packet, int length)
 	return i;
 }
 
-static int scc_recv(struct eth_device* dev)
+static int scc_recv (struct eth_device *dev)
 {
 	int length;
 
-   for (;;) {
-	/* section 16.9.23.2 */
-	if (rtx->rxbd[rxIdx].cbd_sc & BD_ENET_RX_EMPTY) {
-		length = -1;
-		break;     /* nothing received - leave for() loop */
-	}
+	for (;;) {
+		/* section 16.9.23.2 */
+		if (rtx->rxbd[rxIdx].cbd_sc & BD_ENET_RX_EMPTY) {
+			length = -1;
+			break;	/* nothing received - leave for() loop */
+		}
 
-	length = rtx->rxbd[rxIdx].cbd_datlen;
+		length = rtx->rxbd[rxIdx].cbd_datlen;
 
-	if (rtx->rxbd[rxIdx].cbd_sc & 0x003f) {
+		if (rtx->rxbd[rxIdx].cbd_sc & 0x003f) {
 #ifdef ET_DEBUG
-		printf("err: %x\n", rtx->rxbd[rxIdx].cbd_sc);
+			printf ("err: %x\n", rtx->rxbd[rxIdx].cbd_sc);
 #endif
-	} else {
-		/* Pass the packet up to the protocol layers. */
-		NetReceive(NetRxPackets[rxIdx], length - 4);
+		} else {
+			/* Pass the packet up to the protocol layers. */
+			NetReceive (NetRxPackets[rxIdx], length - 4);
+		}
+
+
+		/* Give the buffer back to the SCC. */
+		rtx->rxbd[rxIdx].cbd_datlen = 0;
+
+		/* wrap around buffer index when necessary */
+		if ((rxIdx + 1) >= PKTBUFSRX) {
+			rtx->rxbd[PKTBUFSRX - 1].cbd_sc =
+				(BD_ENET_RX_WRAP | BD_ENET_RX_EMPTY);
+			rxIdx = 0;
+		} else {
+			rtx->rxbd[rxIdx].cbd_sc = BD_ENET_RX_EMPTY;
+			rxIdx++;
+		}
 	}
-
-
-	/* Give the buffer back to the SCC. */
-	rtx->rxbd[rxIdx].cbd_datlen = 0;
-
-	/* wrap around buffer index when necessary */
-	if ((rxIdx + 1) >= PKTBUFSRX) {
-	   rtx->rxbd[PKTBUFSRX - 1].cbd_sc = (BD_ENET_RX_WRAP | BD_ENET_RX_EMPTY);
-	   rxIdx = 0;
-	} else {
-	   rtx->rxbd[rxIdx].cbd_sc = BD_ENET_RX_EMPTY;
-	   rxIdx++;
-	}
-   }
-   return length;
+	return length;
 }
 
 /**************************************************************
@@ -184,366 +185,380 @@ static int scc_recv(struct eth_device* dev)
   *
   *************************************************************/
 
-static int scc_init(struct eth_device* dev, bd_t *bis)
+static int scc_init (struct eth_device *dev, bd_t * bis)
 {
 
-    int i;
-    scc_enet_t *pram_ptr;
+	int i;
+	scc_enet_t *pram_ptr;
 
-    volatile immap_t *immr = (immap_t *)CFG_IMMR;
+	volatile immap_t *immr = (immap_t *) CFG_IMMR;
 
 #ifdef CONFIG_FADS
 #if defined(CONFIG_MPC86xADS) || defined(CONFIG_MPC860T)
-    /* The MPC86xADS/FADS860T don't use the MODEM_EN or DATA_VOICE signals. */
-    *((uint *) BCSR4) &= ~BCSR4_ETHLOOP;
-    *((uint *) BCSR4) |= BCSR4_TFPLDL|BCSR4_TPSQEL;
-    *((uint *) BCSR1) &= ~BCSR1_ETHEN;
+	/* The MPC86xADS/FADS860T don't use the MODEM_EN or DATA_VOICE signals. */
+	*((uint *) BCSR4) &= ~BCSR4_ETHLOOP;
+	*((uint *) BCSR4) |= BCSR4_TFPLDL | BCSR4_TPSQEL;
+	*((uint *) BCSR1) &= ~BCSR1_ETHEN;
 #else
-    *((uint *) BCSR4) &= ~(BCSR4_ETHLOOP|BCSR4_MODEM_EN);
-    *((uint *) BCSR4) |= BCSR4_TFPLDL|BCSR4_TPSQEL|BCSR4_DATA_VOICE;
-    *((uint *) BCSR1) &= ~BCSR1_ETHEN;
+	*((uint *) BCSR4) &= ~(BCSR4_ETHLOOP | BCSR4_MODEM_EN);
+	*((uint *) BCSR4) |= BCSR4_TFPLDL | BCSR4_TPSQEL | BCSR4_DATA_VOICE;
+	*((uint *) BCSR1) &= ~BCSR1_ETHEN;
 #endif
 #endif
 
-    pram_ptr = (scc_enet_t *)&(immr->im_cpm.cp_dparam[PROFF_ENET]);
+	pram_ptr = (scc_enet_t *) & (immr->im_cpm.cp_dparam[PROFF_ENET]);
 
-    rxIdx = 0;
-    txIdx = 0;
+	rxIdx = 0;
+	txIdx = 0;
 
 #ifdef CFG_ALLOC_DPRAM
-    rtx = (RTXBD *) (immr->im_cpm.cp_dpmem +
-		     dpram_alloc_align(sizeof(RTXBD), 8));
+	rtx = (RTXBD *) (immr->im_cpm.cp_dpmem +
+			 dpram_alloc_align (sizeof (RTXBD), 8));
 #else
-    rtx = (RTXBD *) (immr->im_cpm.cp_dpmem + CPM_SCC_BASE);
-#endif	/* 0 */
+	rtx = (RTXBD *) (immr->im_cpm.cp_dpmem + CPM_SCC_BASE);
+#endif /* 0 */
 
 #if (defined(PA_ENET_RXD) && defined(PA_ENET_TXD))
-    /* Configure port A pins for Txd and Rxd.
-    */
-    immr->im_ioport.iop_papar |=  (PA_ENET_RXD | PA_ENET_TXD);
-    immr->im_ioport.iop_padir &= ~(PA_ENET_RXD | PA_ENET_TXD);
-    immr->im_ioport.iop_paodr &=                ~PA_ENET_TXD;
+	/* Configure port A pins for Txd and Rxd.
+	 */
+	immr->im_ioport.iop_papar |= (PA_ENET_RXD | PA_ENET_TXD);
+	immr->im_ioport.iop_padir &= ~(PA_ENET_RXD | PA_ENET_TXD);
+	immr->im_ioport.iop_paodr &= ~PA_ENET_TXD;
 #elif (defined(PB_ENET_RXD) && defined(PB_ENET_TXD))
-    /* Configure port B pins for Txd and Rxd.
-    */
-    immr->im_cpm.cp_pbpar |=  (PB_ENET_RXD | PB_ENET_TXD);
-    immr->im_cpm.cp_pbdir &= ~(PB_ENET_RXD | PB_ENET_TXD);
-    immr->im_cpm.cp_pbodr &=                ~PB_ENET_TXD;
+	/* Configure port B pins for Txd and Rxd.
+	 */
+	immr->im_cpm.cp_pbpar |= (PB_ENET_RXD | PB_ENET_TXD);
+	immr->im_cpm.cp_pbdir &= ~(PB_ENET_RXD | PB_ENET_TXD);
+	immr->im_cpm.cp_pbodr &= ~PB_ENET_TXD;
 #else
 #error Configuration Error: exactly ONE of PA_ENET_[RT]XD, PB_ENET_[RT]XD must be defined
 #endif
 
 #if defined(PC_ENET_LBK)
-    /* Configure port C pins to disable External Loopback
-     */
-    immr->im_ioport.iop_pcpar &= ~PC_ENET_LBK;
-    immr->im_ioport.iop_pcdir |=  PC_ENET_LBK;
-    immr->im_ioport.iop_pcso  &= ~PC_ENET_LBK;
-    immr->im_ioport.iop_pcdat &= ~PC_ENET_LBK; /* Disable Loopback */
-#endif	/* PC_ENET_LBK */
-
-    /* Configure port C pins to enable CLSN and RENA.
-    */
-    immr->im_ioport.iop_pcpar &= ~(PC_ENET_CLSN | PC_ENET_RENA);
-    immr->im_ioport.iop_pcdir &= ~(PC_ENET_CLSN | PC_ENET_RENA);
-    immr->im_ioport.iop_pcso  |=  (PC_ENET_CLSN | PC_ENET_RENA);
-
-    /* Configure port A for TCLK and RCLK.
-    */
-    immr->im_ioport.iop_papar |=  (PA_ENET_TCLK | PA_ENET_RCLK);
-    immr->im_ioport.iop_padir &= ~(PA_ENET_TCLK | PA_ENET_RCLK);
-
-    /*
-     * Configure Serial Interface clock routing -- see section 16.7.5.3
-     * First, clear all SCC bits to zero, then set the ones we want.
-     */
-
-    immr->im_cpm.cp_sicr &= ~SICR_ENET_MASK;
-    immr->im_cpm.cp_sicr |= SICR_ENET_CLKRT;
-
-
-    /*
-     * Initialize SDCR -- see section 16.9.23.7
-     * SDMA configuration register
-     */
-    immr->im_siu_conf.sc_sdcr = 0x01;
-
-
-    /*
-     * Setup SCC Ethernet Parameter RAM
-     */
-
-    pram_ptr->sen_genscc.scc_rfcr = 0x18;  /* Normal Operation and Mot byte ordering */
-    pram_ptr->sen_genscc.scc_tfcr = 0x18;  /* Mot byte ordering, Normal access */
-
-    pram_ptr->sen_genscc.scc_mrblr = DBUF_LENGTH;	/* max. ET package len 1520 */
-
-    pram_ptr->sen_genscc.scc_rbase = (unsigned int)(&rtx->rxbd[0]);      /* Set RXBD tbl start at Dual Port */
-    pram_ptr->sen_genscc.scc_tbase = (unsigned int)(&rtx->txbd[0]);      /* Set TXBD tbl start at Dual Port */
-
-    /*
-     * Setup Receiver Buffer Descriptors (13.14.24.18)
-     * Settings:
-     *     Empty, Wrap
-     */
-
-    for (i = 0; i < PKTBUFSRX; i++)
-    {
-      rtx->rxbd[i].cbd_sc = BD_ENET_RX_EMPTY;
-      rtx->rxbd[i].cbd_datlen = 0;                                 /* Reset */
-      rtx->rxbd[i].cbd_bufaddr = (uint)NetRxPackets[i];
-    }
-
-    rtx->rxbd[PKTBUFSRX - 1].cbd_sc |= BD_ENET_RX_WRAP;
-
-    /*
-     * Setup Ethernet Transmitter Buffer Descriptors (13.14.24.19)
-     * Settings:
-     *    Add PADs to Short FRAMES, Wrap, Last, Tx CRC
-     */
-
-    for (i = 0; i < TX_BUF_CNT; i++)
-    {
-      rtx->txbd[i].cbd_sc = (BD_ENET_TX_PAD | BD_ENET_TX_LAST | BD_ENET_TX_TC);
-      rtx->txbd[i].cbd_datlen = 0;                                 /* Reset */
-      rtx->txbd[i].cbd_bufaddr = (uint) (&txbuf[0]);
-    }
-
-    rtx->txbd[TX_BUF_CNT - 1].cbd_sc |= BD_ENET_TX_WRAP;
-
-    /*
-     * Enter Command:  Initialize Rx Params for SCC
-     */
-
-    do {				/* Spin until ready to issue command	*/
-	__asm__ ("eieio");
-    } while (immr->im_cpm.cp_cpcr & CPM_CR_FLG);
-    /* Issue command */
-    immr->im_cpm.cp_cpcr = ((CPM_CR_INIT_RX << 8) | (CPM_CR_ENET << 4) | CPM_CR_FLG);
-    do {				/* Spin until command processed		*/
-	__asm__ ("eieio");
-    } while (immr->im_cpm.cp_cpcr & CPM_CR_FLG);
-
-    /*
-     * Ethernet Specific Parameter RAM
-     *     see table 13-16, pg. 660,
-     *     pg. 681 (example with suggested settings)
-     */
-
-    pram_ptr->sen_cpres  = ~(0x0);	/* Preset CRC */
-    pram_ptr->sen_cmask  = 0xdebb20e3;	/* Constant Mask for CRC */
-    pram_ptr->sen_crcec  = 0x0;		/* Error Counter CRC (unused) */
-    pram_ptr->sen_alec   = 0x0;		/* Alignment Error Counter (unused) */
-    pram_ptr->sen_disfc  = 0x0;		/* Discard Frame Counter (unused) */
-    pram_ptr->sen_pads   = 0x8888;	/* Short Frame PAD Characters */
-
-    pram_ptr->sen_retlim = 15;		/* Retry Limit Threshold */
-    pram_ptr->sen_maxflr = 1518;	/* MAX Frame Length Register */
-    pram_ptr->sen_minflr = 64;		/* MIN Frame Length Register */
-
-    pram_ptr->sen_maxd1  = DBUF_LENGTH;	/* MAX DMA1 Length Register */
-    pram_ptr->sen_maxd2  = DBUF_LENGTH;	/* MAX DMA2 Length Register */
-
-    pram_ptr->sen_gaddr1 = 0x0;		/* Group Address Filter 1 (unused) */
-    pram_ptr->sen_gaddr2 = 0x0;		/* Group Address Filter 2 (unused) */
-    pram_ptr->sen_gaddr3 = 0x0;		/* Group Address Filter 3 (unused) */
-    pram_ptr->sen_gaddr4 = 0x0;		/* Group Address Filter 4 (unused) */
+	/* Configure port C pins to disable External Loopback
+	 */
+	immr->im_ioport.iop_pcpar &= ~PC_ENET_LBK;
+	immr->im_ioport.iop_pcdir |= PC_ENET_LBK;
+	immr->im_ioport.iop_pcso &= ~PC_ENET_LBK;
+	immr->im_ioport.iop_pcdat &= ~PC_ENET_LBK;	/* Disable Loopback */
+#endif /* PC_ENET_LBK */
+
+	/* Configure port C pins to enable CLSN and RENA.
+	 */
+	immr->im_ioport.iop_pcpar &= ~(PC_ENET_CLSN | PC_ENET_RENA);
+	immr->im_ioport.iop_pcdir &= ~(PC_ENET_CLSN | PC_ENET_RENA);
+	immr->im_ioport.iop_pcso |= (PC_ENET_CLSN | PC_ENET_RENA);
+
+	/* Configure port A for TCLK and RCLK.
+	 */
+	immr->im_ioport.iop_papar |= (PA_ENET_TCLK | PA_ENET_RCLK);
+	immr->im_ioport.iop_padir &= ~(PA_ENET_TCLK | PA_ENET_RCLK);
+
+	/*
+	 * Configure Serial Interface clock routing -- see section 16.7.5.3
+	 * First, clear all SCC bits to zero, then set the ones we want.
+	 */
+
+	immr->im_cpm.cp_sicr &= ~SICR_ENET_MASK;
+	immr->im_cpm.cp_sicr |= SICR_ENET_CLKRT;
+
+
+	/*
+	 * Initialize SDCR -- see section 16.9.23.7
+	 * SDMA configuration register
+	 */
+	immr->im_siu_conf.sc_sdcr = 0x01;
+
+
+	/*
+	 * Setup SCC Ethernet Parameter RAM
+	 */
+
+	pram_ptr->sen_genscc.scc_rfcr = 0x18;	/* Normal Operation and Mot byte ordering */
+	pram_ptr->sen_genscc.scc_tfcr = 0x18;	/* Mot byte ordering, Normal access */
+
+	pram_ptr->sen_genscc.scc_mrblr = DBUF_LENGTH;	/* max. ET package len 1520 */
+
+	pram_ptr->sen_genscc.scc_rbase = (unsigned int) (&rtx->rxbd[0]);	/* Set RXBD tbl start at Dual Port */
+	pram_ptr->sen_genscc.scc_tbase = (unsigned int) (&rtx->txbd[0]);	/* Set TXBD tbl start at Dual Port */
+
+	/*
+	 * Setup Receiver Buffer Descriptors (13.14.24.18)
+	 * Settings:
+	 *     Empty, Wrap
+	 */
+
+	for (i = 0; i < PKTBUFSRX; i++) {
+		rtx->rxbd[i].cbd_sc = BD_ENET_RX_EMPTY;
+		rtx->rxbd[i].cbd_datlen = 0;	/* Reset */
+		rtx->rxbd[i].cbd_bufaddr = (uint) NetRxPackets[i];
+	}
+
+	rtx->rxbd[PKTBUFSRX - 1].cbd_sc |= BD_ENET_RX_WRAP;
+
+	/*
+	 * Setup Ethernet Transmitter Buffer Descriptors (13.14.24.19)
+	 * Settings:
+	 *    Add PADs to Short FRAMES, Wrap, Last, Tx CRC
+	 */
+
+	for (i = 0; i < TX_BUF_CNT; i++) {
+		rtx->txbd[i].cbd_sc =
+			(BD_ENET_TX_PAD | BD_ENET_TX_LAST | BD_ENET_TX_TC);
+		rtx->txbd[i].cbd_datlen = 0;	/* Reset */
+		rtx->txbd[i].cbd_bufaddr = (uint) (&txbuf[0]);
+	}
+
+	rtx->txbd[TX_BUF_CNT - 1].cbd_sc |= BD_ENET_TX_WRAP;
+
+	/*
+	 * Enter Command:  Initialize Rx Params for SCC
+	 */
+
+	do {			/* Spin until ready to issue command    */
+		__asm__ ("eieio");
+	} while (immr->im_cpm.cp_cpcr & CPM_CR_FLG);
+	/* Issue command */
+	immr->im_cpm.cp_cpcr =
+		((CPM_CR_INIT_RX << 8) | (CPM_CR_ENET << 4) | CPM_CR_FLG);
+	do {			/* Spin until command processed         */
+		__asm__ ("eieio");
+	} while (immr->im_cpm.cp_cpcr & CPM_CR_FLG);
+
+	/*
+	 * Ethernet Specific Parameter RAM
+	 *     see table 13-16, pg. 660,
+	 *     pg. 681 (example with suggested settings)
+	 */
+
+	pram_ptr->sen_cpres = ~(0x0);	/* Preset CRC */
+	pram_ptr->sen_cmask = 0xdebb20e3;	/* Constant Mask for CRC */
+	pram_ptr->sen_crcec = 0x0;	/* Error Counter CRC (unused) */
+	pram_ptr->sen_alec = 0x0;	/* Alignment Error Counter (unused) */
+	pram_ptr->sen_disfc = 0x0;	/* Discard Frame Counter (unused) */
+	pram_ptr->sen_pads = 0x8888;	/* Short Frame PAD Characters */
+
+	pram_ptr->sen_retlim = 15;	/* Retry Limit Threshold */
+	pram_ptr->sen_maxflr = 1518;	/* MAX Frame Length Register */
+	pram_ptr->sen_minflr = 64;	/* MIN Frame Length Register */
+
+	pram_ptr->sen_maxd1 = DBUF_LENGTH;	/* MAX DMA1 Length Register */
+	pram_ptr->sen_maxd2 = DBUF_LENGTH;	/* MAX DMA2 Length Register */
+
+	pram_ptr->sen_gaddr1 = 0x0;	/* Group Address Filter 1 (unused) */
+	pram_ptr->sen_gaddr2 = 0x0;	/* Group Address Filter 2 (unused) */
+	pram_ptr->sen_gaddr3 = 0x0;	/* Group Address Filter 3 (unused) */
+	pram_ptr->sen_gaddr4 = 0x0;	/* Group Address Filter 4 (unused) */
 
 #define ea eth_get_dev()->enetaddr
-    pram_ptr->sen_paddrh = (ea[5] << 8) + ea[4];
-    pram_ptr->sen_paddrm = (ea[3] << 8) + ea[2];
-    pram_ptr->sen_paddrl = (ea[1] << 8) + ea[0];
+	pram_ptr->sen_paddrh = (ea[5] << 8) + ea[4];
+	pram_ptr->sen_paddrm = (ea[3] << 8) + ea[2];
+	pram_ptr->sen_paddrl = (ea[1] << 8) + ea[0];
 #undef ea
 
-    pram_ptr->sen_pper   = 0x0;		/* Persistence (unused) */
-    pram_ptr->sen_iaddr1 = 0x0;		/* Individual Address Filter 1 (unused) */
-    pram_ptr->sen_iaddr2 = 0x0;		/* Individual Address Filter 2 (unused) */
-    pram_ptr->sen_iaddr3 = 0x0;		/* Individual Address Filter 3 (unused) */
-    pram_ptr->sen_iaddr4 = 0x0;		/* Individual Address Filter 4 (unused) */
-    pram_ptr->sen_taddrh = 0x0;		/* Tmp Address (MSB) (unused) */
-    pram_ptr->sen_taddrm = 0x0;		/* Tmp Address (unused) */
-    pram_ptr->sen_taddrl = 0x0;		/* Tmp Address (LSB) (unused) */
-
-    /*
-     * Enter Command:  Initialize Tx Params for SCC
-     */
-
-    do {				/* Spin until ready to issue command	*/
-	__asm__ ("eieio");
-    } while (immr->im_cpm.cp_cpcr & CPM_CR_FLG);
-    /* Issue command */
-    immr->im_cpm.cp_cpcr = ((CPM_CR_INIT_TX << 8) | (CPM_CR_ENET << 4) | CPM_CR_FLG);
-    do {				/* Spin until command processed		*/
-	__asm__ ("eieio");
-    } while (immr->im_cpm.cp_cpcr & CPM_CR_FLG);
-
-    /*
-     * Mask all Events in SCCM - we use polling mode
-     */
-    immr->im_cpm.cp_scc[SCC_ENET].scc_sccm = 0;
-
-    /*
-     * Clear Events in SCCE -- Clear bits by writing 1's
-     */
-
-    immr->im_cpm.cp_scc[SCC_ENET].scc_scce = ~(0x0);
-
-
-    /*
-     * Initialize GSMR High 32-Bits
-     * Settings:  Normal Mode
-     */
-
-    immr->im_cpm.cp_scc[SCC_ENET].scc_gsmrh = 0;
-
-    /*
-     * Initialize GSMR Low 32-Bits, but do not Enable Transmit/Receive
-     * Settings:
-     *     TCI = Invert
-     *     TPL =  48 bits
-     *     TPP = Repeating 10's
-     *     MODE = Ethernet
-     */
-
-    immr->im_cpm.cp_scc[SCC_ENET].scc_gsmrl = (	SCC_GSMRL_TCI	 |	\
-						SCC_GSMRL_TPL_48 |	\
-						SCC_GSMRL_TPP_10 |	\
-						SCC_GSMRL_MODE_ENET);
-
-    /*
-     * Initialize the DSR -- see section 13.14.4 (pg. 513) v0.4
-     */
-
-    immr->im_cpm.cp_scc[SCC_ENET].scc_dsr = 0xd555;
-
-    /*
-     * Initialize the PSMR
-     * Settings:
-     *	CRC = 32-Bit CCITT
-     *	NIB = Begin searching for SFD 22 bits after RENA
-     *	FDE = Full Duplex Enable
-     *	LPB = Loopback Enable (Needed when FDE is set)
-     *	BRO = Reject broadcast packets
-     *	PROMISCOUS = Catch all packets regardless of dest. MAC adress
-     */
-    immr->im_cpm.cp_scc[SCC_ENET].scc_psmr  =	SCC_PSMR_ENCRC	|
-						SCC_PSMR_NIB22	|
+	pram_ptr->sen_pper = 0x0;	/* Persistence (unused) */
+	pram_ptr->sen_iaddr1 = 0x0;	/* Individual Address Filter 1 (unused) */
+	pram_ptr->sen_iaddr2 = 0x0;	/* Individual Address Filter 2 (unused) */
+	pram_ptr->sen_iaddr3 = 0x0;	/* Individual Address Filter 3 (unused) */
+	pram_ptr->sen_iaddr4 = 0x0;	/* Individual Address Filter 4 (unused) */
+	pram_ptr->sen_taddrh = 0x0;	/* Tmp Address (MSB) (unused) */
+	pram_ptr->sen_taddrm = 0x0;	/* Tmp Address (unused) */
+	pram_ptr->sen_taddrl = 0x0;	/* Tmp Address (LSB) (unused) */
+
+	/*
+	 * Enter Command:  Initialize Tx Params for SCC
+	 */
+
+	do {			/* Spin until ready to issue command    */
+		__asm__ ("eieio");
+	} while (immr->im_cpm.cp_cpcr & CPM_CR_FLG);
+	/* Issue command */
+	immr->im_cpm.cp_cpcr =
+		((CPM_CR_INIT_TX << 8) | (CPM_CR_ENET << 4) | CPM_CR_FLG);
+	do {			/* Spin until command processed         */
+		__asm__ ("eieio");
+	} while (immr->im_cpm.cp_cpcr & CPM_CR_FLG);
+
+	/*
+	 * Mask all Events in SCCM - we use polling mode
+	 */
+	immr->im_cpm.cp_scc[SCC_ENET].scc_sccm = 0;
+
+	/*
+	 * Clear Events in SCCE -- Clear bits by writing 1's
+	 */
+
+	immr->im_cpm.cp_scc[SCC_ENET].scc_scce = ~(0x0);
+
+
+	/*
+	 * Initialize GSMR High 32-Bits
+	 * Settings:  Normal Mode
+	 */
+
+	immr->im_cpm.cp_scc[SCC_ENET].scc_gsmrh = 0;
+
+	/*
+	 * Initialize GSMR Low 32-Bits, but do not Enable Transmit/Receive
+	 * Settings:
+	 *     TCI = Invert
+	 *     TPL =  48 bits
+	 *     TPP = Repeating 10's
+	 *     MODE = Ethernet
+	 */
+
+	immr->im_cpm.cp_scc[SCC_ENET].scc_gsmrl = (SCC_GSMRL_TCI |
+						   SCC_GSMRL_TPL_48 |
+						   SCC_GSMRL_TPP_10 |
+						   SCC_GSMRL_MODE_ENET);
+
+	/*
+	 * Initialize the DSR -- see section 13.14.4 (pg. 513) v0.4
+	 */
+
+	immr->im_cpm.cp_scc[SCC_ENET].scc_dsr = 0xd555;
+
+	/*
+	 * Initialize the PSMR
+	 * Settings:
+	 *  CRC = 32-Bit CCITT
+	 *  NIB = Begin searching for SFD 22 bits after RENA
+	 *  FDE = Full Duplex Enable
+	 *  LPB = Loopback Enable (Needed when FDE is set)
+	 *  BRO = Reject broadcast packets
+	 *  PROMISCOUS = Catch all packets regardless of dest. MAC adress
+	 */
+	immr->im_cpm.cp_scc[SCC_ENET].scc_psmr = SCC_PSMR_ENCRC |
+		SCC_PSMR_NIB22 |
 #if defined(CONFIG_SCC_ENET_FULL_DUPLEX)
-						SCC_PSMR_FDE	|
-						SCC_PSMR_LPB	|
+		SCC_PSMR_FDE | SCC_PSMR_LPB |
 #endif
 #if defined(CONFIG_SCC_ENET_NO_BROADCAST)
-						SCC_PSMR_BRO	|
+		SCC_PSMR_BRO |
 #endif
 #if defined(CONFIG_SCC_ENET_PROMISCOUS)
-						SCC_PSMR_PRO	|
+		SCC_PSMR_PRO |
 #endif
-						0;
+		0;
 
-    /*
-     * Configure Ethernet TENA Signal
-     */
+	/*
+	 * Configure Ethernet TENA Signal
+	 */
 
 #if (defined(PC_ENET_TENA) && !defined(PB_ENET_TENA))
-    immr->im_ioport.iop_pcpar |=  PC_ENET_TENA;
-    immr->im_ioport.iop_pcdir &= ~PC_ENET_TENA;
+	immr->im_ioport.iop_pcpar |= PC_ENET_TENA;
+	immr->im_ioport.iop_pcdir &= ~PC_ENET_TENA;
 #elif (defined(PB_ENET_TENA) && !defined(PC_ENET_TENA))
-    immr->im_cpm.cp_pbpar |= PB_ENET_TENA;
-    immr->im_cpm.cp_pbdir |= PB_ENET_TENA;
+	immr->im_cpm.cp_pbpar |= PB_ENET_TENA;
+	immr->im_cpm.cp_pbdir |= PB_ENET_TENA;
 #else
 #error Configuration Error: exactly ONE of PB_ENET_TENA, PC_ENET_TENA must be defined
 #endif
 
 #if defined(CONFIG_ADS) && defined(CONFIG_MPC860)
-    /*
-     * Port C is used to control the PHY,MC68160.
-     */
-    immr->im_ioport.iop_pcdir |=
-	(PC_ENET_ETHLOOP | PC_ENET_TPFLDL | PC_ENET_TPSQEL);
+	/*
+	 * Port C is used to control the PHY,MC68160.
+	 */
+	immr->im_ioport.iop_pcdir |=
+		(PC_ENET_ETHLOOP | PC_ENET_TPFLDL | PC_ENET_TPSQEL);
 
-    immr->im_ioport.iop_pcdat |= PC_ENET_TPFLDL;
-    immr->im_ioport.iop_pcdat &= ~(PC_ENET_ETHLOOP | PC_ENET_TPSQEL);
-    *((uint *) BCSR1) &= ~BCSR1_ETHEN;
-#endif	/* MPC860ADS */
+	immr->im_ioport.iop_pcdat |= PC_ENET_TPFLDL;
+	immr->im_ioport.iop_pcdat &= ~(PC_ENET_ETHLOOP | PC_ENET_TPSQEL);
+	*((uint *) BCSR1) &= ~BCSR1_ETHEN;
+#endif /* MPC860ADS */
 
 #if defined(CONFIG_AMX860)
-    /*
-     * Port B is used to control the PHY,MC68160.
-     */
-    immr->im_cpm.cp_pbdir |=
-	(PB_ENET_ETHLOOP | PB_ENET_TPFLDL | PB_ENET_TPSQEL);
+	/*
+	 * Port B is used to control the PHY,MC68160.
+	 */
+	immr->im_cpm.cp_pbdir |=
+		(PB_ENET_ETHLOOP | PB_ENET_TPFLDL | PB_ENET_TPSQEL);
 
-    immr->im_cpm.cp_pbdat |= PB_ENET_TPFLDL;
-    immr->im_cpm.cp_pbdat &= ~(PB_ENET_ETHLOOP | PB_ENET_TPSQEL);
+	immr->im_cpm.cp_pbdat |= PB_ENET_TPFLDL;
+	immr->im_cpm.cp_pbdat &= ~(PB_ENET_ETHLOOP | PB_ENET_TPSQEL);
 
-    immr->im_ioport.iop_pddir |= PD_ENET_ETH_EN;
-    immr->im_ioport.iop_pddat &= ~PD_ENET_ETH_EN;
-#endif  /* AMX860 */
+	immr->im_ioport.iop_pddir |= PD_ENET_ETH_EN;
+	immr->im_ioport.iop_pddat &= ~PD_ENET_ETH_EN;
+#endif /* AMX860 */
 
 #ifdef CONFIG_RPXCLASSIC
-    *((uchar *)BCSR0) &= ~BCSR0_ETHLPBK;
-    *((uchar *)BCSR0) |= (BCSR0_ETHEN | BCSR0_COLTEST | BCSR0_FULLDPLX);
+	*((uchar *) BCSR0) &= ~BCSR0_ETHLPBK;
+	*((uchar *) BCSR0) |= (BCSR0_ETHEN | BCSR0_COLTEST | BCSR0_FULLDPLX);
 #endif
 
 #ifdef CONFIG_RPXLITE
-    *((uchar *)BCSR0) |= BCSR0_ETHEN ;
+	*((uchar *) BCSR0) |= BCSR0_ETHEN;
 #endif
 
+#if defined(CONFIG_QS860T)
+	/*
+	 * PB27=FDE-, set output low for full duplex
+	 * PB26=Link Test Enable, normally high output
+	 */
+	immr->im_cpm.cp_pbdir |= 0x00000030;
+	immr->im_cpm.cp_pbdat |= 0x00000020;
+	immr->im_cpm.cp_pbdat &= ~0x00000010;
+#endif /* QS860T */
+
 #ifdef CONFIG_MBX
-    board_ether_init();
+	board_ether_init ();
 #endif
 
 #if defined(CONFIG_NETVIA)
 #if defined(PA_ENET_PDN)
-    immr->im_ioport.iop_papar &= ~PA_ENET_PDN;
-    immr->im_ioport.iop_padir |=  PA_ENET_PDN;
-    immr->im_ioport.iop_padat |=  PA_ENET_PDN;
+	immr->im_ioport.iop_papar &= ~PA_ENET_PDN;
+	immr->im_ioport.iop_padir |= PA_ENET_PDN;
+	immr->im_ioport.iop_padat |= PA_ENET_PDN;
 #elif defined(PB_ENET_PDN)
-    immr->im_cpm.cp_pbpar &= ~PB_ENET_PDN;
-    immr->im_cpm.cp_pbdir |=  PB_ENET_PDN;
-    immr->im_cpm.cp_pbdat |=  PB_ENET_PDN;
+	immr->im_cpm.cp_pbpar &= ~PB_ENET_PDN;
+	immr->im_cpm.cp_pbdir |= PB_ENET_PDN;
+	immr->im_cpm.cp_pbdat |= PB_ENET_PDN;
 #elif defined(PC_ENET_PDN)
-    immr->im_ioport.iop_pcpar &= ~PC_ENET_PDN;
-    immr->im_ioport.iop_pcdir |=  PC_ENET_PDN;
-    immr->im_ioport.iop_pcdat |=  PC_ENET_PDN;
+	immr->im_ioport.iop_pcpar &= ~PC_ENET_PDN;
+	immr->im_ioport.iop_pcdir |= PC_ENET_PDN;
+	immr->im_ioport.iop_pcdat |= PC_ENET_PDN;
 #elif defined(PD_ENET_PDN)
-    immr->im_ioport.iop_pdpar &= ~PD_ENET_PDN;
-    immr->im_ioport.iop_pddir |=  PD_ENET_PDN;
-    immr->im_ioport.iop_pddat |=  PD_ENET_PDN;
+	immr->im_ioport.iop_pdpar &= ~PD_ENET_PDN;
+	immr->im_ioport.iop_pddir |= PD_ENET_PDN;
+	immr->im_ioport.iop_pddat |= PD_ENET_PDN;
 #endif
 #endif
 
-    /*
-     * Set the ENT/ENR bits in the GSMR Low -- Enable Transmit/Receive
-     */
+	/*
+	 * Set the ENT/ENR bits in the GSMR Low -- Enable Transmit/Receive
+	 */
 
-    immr->im_cpm.cp_scc[SCC_ENET].scc_gsmrl |= (SCC_GSMRL_ENR | SCC_GSMRL_ENT);
+	immr->im_cpm.cp_scc[SCC_ENET].scc_gsmrl |=
+		(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
 
-    /*
-     * Work around transmit problem with first eth packet
-     */
+	/*
+	 * Work around transmit problem with first eth packet
+	 */
 #if defined (CONFIG_FADS)
-    udelay(10000);	/* wait 10 ms */
+	udelay (10000);		/* wait 10 ms */
 #elif defined (CONFIG_AMX860) || defined(CONFIG_RPXCLASSIC)
-    udelay(100000);	/* wait 100 ms */
+	udelay (100000);	/* wait 100 ms */
 #endif
 
-    return 1;
+	return 1;
 }
 
 
-static void scc_halt(struct eth_device* dev)
+static void scc_halt (struct eth_device *dev)
 {
-    volatile immap_t *immr = (immap_t *)CFG_IMMR;
-    immr->im_cpm.cp_scc[SCC_ENET].scc_gsmrl &= ~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
+	volatile immap_t *immr = (immap_t *) CFG_IMMR;
+
+	immr->im_cpm.cp_scc[SCC_ENET].scc_gsmrl &=
+		~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
 }
 
 #if 0
-void restart(void)
+void restart (void)
 {
-   volatile immap_t *immr = (immap_t *)CFG_IMMR;
-   immr->im_cpm.cp_scc[SCC_ENET].scc_gsmrl |= (SCC_GSMRL_ENR | SCC_GSMRL_ENT);
+	volatile immap_t *immr = (immap_t *) CFG_IMMR;
+
+	immr->im_cpm.cp_scc[SCC_ENET].scc_gsmrl |=
+		(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
 }
 #endif
-
 #endif	/* CFG_CMD_NET, SCC_ENET */
diff --git a/cpu/mpc8xx/serial.c b/cpu/mpc8xx/serial.c
index faea3c36f3c..a875963df36 100644
--- a/cpu/mpc8xx/serial.c
+++ b/cpu/mpc8xx/serial.c
@@ -78,6 +78,10 @@ static void serial_setdivisor(volatile cpm8xx_t *cp)
 		divisor=(50*1000*1000)/16/9600;
 	}
 
+#ifdef CFG_BRGCLK_PRESCALE
+	divisor /= CFG_BRGCLK_PRESCALE;
+#endif
+
 	if(divisor<=0x1000) {
 		cp->cp_brgc1=((divisor-1)<<1) | CPM_BRG_EN;
 	} else {