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-rw-r--r--cpu/mpc8xx/scc.c635
-rw-r--r--cpu/mpc8xx/serial.c4
2 files changed, 329 insertions, 310 deletions
diff --git a/cpu/mpc8xx/scc.c b/cpu/mpc8xx/scc.c
index e0fae5d..1a15a7b 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 faea3c3..a875963 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 {
generated by cgit v1.1 at 2024-12-17 22:56:52 +0000