summaryrefslogtreecommitdiff
path: root/board/siemens/IAD210/atm.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/siemens/IAD210/atm.c')
-rw-r--r--board/siemens/IAD210/atm.c652
1 files changed, 0 insertions, 652 deletions
diff --git a/board/siemens/IAD210/atm.c b/board/siemens/IAD210/atm.c
deleted file mode 100644
index 40aad0a..0000000
--- a/board/siemens/IAD210/atm.c
+++ /dev/null
@@ -1,652 +0,0 @@
-#include <common.h>
-#include <mpc8xx.h>
-#include <commproc.h>
-
-#include "atm.h"
-#include <linux/stddef.h>
-
-#define SYNC __asm__("sync")
-#define MY_ALIGN(p, a) ((char *)(((uint32)(p)+(a)-1) & ~((uint32)(a)-1)))
-
-#define FALSE 1
-#define TRUE 0
-#define OK 0
-#define ERROR -1
-
-struct atm_connection_t g_conn[NUM_CONNECTIONS] =
-{
- { NULL, 10, NULL, 10, NULL, NULL, NULL, NULL }, /* OAM */
-};
-
-struct atm_driver_t g_atm =
-{
- FALSE, /* loaded */
- FALSE, /* started */
- NULL, /* csram */
- 0, /* csram_size */
- NULL, /* am_top */
- NULL, /* ap_top */
- NULL, /* int_reload_ptr */
- NULL, /* int_serv_ptr */
- NULL, /* rbd_base_ptr */
- NULL, /* tbd_base_ptr */
- 0 /* linerate */
-};
-
-char csram[1024]; /* more than enough for doing nothing*/
-
-int atmLoad(void);
-void atmUnload(void);
-int atmMemInit(void);
-void atmIntInit(void);
-void atmApcInit(void);
-void atmAmtInit(void);
-void atmCpmInit(void);
-void atmUtpInit(void);
-
-/*****************************************************************************
- *
- * FUNCTION NAME: atmLoad
- *
- * DESCRIPTION: Basic ATM initialization.
- *
- * PARAMETERS: none
- *
- * RETURNS: OK or ERROR
- *
- ****************************************************************************/
-int atmLoad()
-{
- volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
- volatile cpmtimer8xx_t *timers = &immap->im_cpmtimer;
- volatile iop8xx_t *iop = &immap->im_ioport;
-
- timers->cpmt_tgcr &= 0x0FFF; SYNC; /* Disable Timer 4 */
- immap->im_cpm.cp_scc[3].scc_gsmrl = 0x0; SYNC; /* Disable SCC4 */
- iop->iop_pdpar &= 0x3FFF; SYNC; /* Disable SAR and UTOPIA */
-
- if ( atmMemInit() != OK ) return ERROR;
-
- atmIntInit();
- atmApcInit();
- atmAmtInit();
- atmCpmInit();
- atmUtpInit();
-
- g_atm.loaded = TRUE;
-
- return OK;
-}
-
-/*****************************************************************************
- *
- * FUNCTION NAME: atmUnload
- *
- * DESCRIPTION: Disables ATM and UTOPIA.
- *
- * PARAMETERS: none
- *
- * RETURNS: void
- *
- ****************************************************************************/
-void atmUnload()
-{
- volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
- volatile cpmtimer8xx_t *timers = &immap->im_cpmtimer;
- volatile iop8xx_t *iop = &immap->im_ioport;
-
- timers->cpmt_tgcr &= 0x0FFF; SYNC; /* Disable Timer 4 */
- immap->im_cpm.cp_scc[3].scc_gsmrl = 0x0; SYNC; /* Disable SCC4 */
- iop->iop_pdpar &= 0x3FFF; SYNC; /* Disable SAR and UTOPIA */
- g_atm.loaded = FALSE;
-}
-
-/*****************************************************************************
- *
- * FUNCTION NAME: atmMemInit
- *
- * DESCRIPTION:
- *
- * The ATM driver uses the following resources:
- *
- * A. Memory in DPRAM to hold
- *
- * 1/ CT = Connection Table ( RCT & TCT )
- * 2/ TCTE = Transmit Connection Table Extension
- * 3/ MPHYPT = Multi-PHY Pointing Table
- * 4/ APCP = APC Parameter Table
- * 5/ APCT_PRIO_1 = APC Table ( priority 1 for AAL1/2 )
- * 6/ APCT_PRIO_2 = APC Table ( priority 2 for VBR )
- * 7/ APCT_PRIO_3 = APC Table ( priority 3 for UBR )
- * 8/ TQ = Transmit Queue
- * 9/ AM = Address Matching Table
- * 10/ AP = Address Pointing Table
- *
- * B. Memory in cache safe RAM to hold
- *
- * 1/ INT = Interrupt Queue
- * 2/ RBD = Receive Buffer Descriptors
- * 3/ TBD = Transmit Buffer Descriptors
- *
- * This function
- * 1. clears the ATM DPRAM area,
- * 2. Allocates and clears cache safe memory,
- * 3. Initializes 'g_conn'.
- *
- * PARAMETERS: none
- *
- * RETURNS: OK or ERROR
- *
- ****************************************************************************/
-int atmMemInit()
-{
- int i;
- unsigned immr = CONFIG_SYS_IMMR;
- int total_num_rbd = 0;
- int total_num_tbd = 0;
-
- memset((char *)CONFIG_SYS_IMMR + 0x2000 + ATM_DPRAM_BEGIN, 0x00, ATM_DPRAM_SIZE);
-
- g_atm.csram_size = NUM_INT_ENTRIES * SIZE_OF_INT_ENTRY;
-
- for ( i = 0; i < NUM_CONNECTIONS; ++i ) {
- total_num_rbd += g_conn[i].num_rbd;
- total_num_tbd += g_conn[i].num_tbd;
- }
-
- g_atm.csram_size += total_num_rbd * SIZE_OF_RBD + total_num_tbd * SIZE_OF_TBD + 4;
-
- g_atm.csram = &csram[0];
- memset(&(g_atm.csram), 0x00, g_atm.csram_size);
-
- g_atm.int_reload_ptr = (uint32 *)MY_ALIGN(g_atm.csram, 4);
- g_atm.rbd_base_ptr = (struct atm_bd_t *)(g_atm.int_reload_ptr + NUM_INT_ENTRIES);
- g_atm.tbd_base_ptr = (struct atm_bd_t *)(g_atm.rbd_base_ptr + total_num_rbd);
-
- g_conn[0].rbd_ptr = g_atm.rbd_base_ptr;
- g_conn[0].tbd_ptr = g_atm.tbd_base_ptr;
- g_conn[0].ct_ptr = CT_PTR(immr);
- g_conn[0].tcte_ptr = TCTE_PTR(immr);
-
- return OK;
-}
-
-/*****************************************************************************
- *
- * FUNCTION NAME: atmIntInit
- *
- * DESCRIPTION:
- *
- * Initialization of the MPC860 ESAR Interrupt Queue.
- * This function
- * - clears all entries in the INT,
- * - sets the WRAP bit of the last INT entry,
- * - initializes the 'int_serv_ptr' attribuut of the AtmDriver structure
- * to the first INT entry.
- *
- * PARAMETERS: none
- *
- * RETURNS: void
- *
- * REMARKS:
- *
- * - The INT resides in external cache safe memory.
- * - The base address of the INT is stored in g_atm.int_reload_ptr.
- * - The number of entries in the INT is given by NUM_INT_ENTRIES.
- * - The INTBASE field in SAR Parameter RAM is set by atmCpmInit().
- *
- ****************************************************************************/
-void atmIntInit()
-{
- int i;
- for ( i = 0; i < NUM_INT_ENTRIES - 1; ++i) g_atm.int_reload_ptr[i] = 0;
- g_atm.int_reload_ptr[i] = INT_WRAP;
- g_atm.int_serv_ptr = g_atm.int_reload_ptr;
-}
-
-/*****************************************************************************
- *
- * FUNCTION NAME: atmApcInit
- *
- * DESCRIPTION:
- *
- * This function initializes the following ATM Pace Controller related
- * data structures:
- *
- * - 1 MPHY Pointing Table (contains only one entry)
- * - 3 APC Parameter Tables (one PHY with 3 priorities)
- * - 3 APC Tables (one table for each priority)
- * - 1 Transmit Queue (one transmit queue per PHY)
- *
- * PARAMETERS: none
- *
- * RETURNS: void
- *
- ****************************************************************************/
-void atmApcInit()
-{
- int i;
- /* unsigned immr = CONFIG_SYS_IMMR; */
- uint16 * mphypt_ptr = MPHYPT_PTR(CONFIG_SYS_IMMR);
- struct apc_params_t * apcp_ptr = APCP_PTR(CONFIG_SYS_IMMR);
- uint16 * apct_prio1_ptr = APCT1_PTR(CONFIG_SYS_IMMR);
- uint16 * tq_ptr = TQ_PTR(CONFIG_SYS_IMMR);
- /***************************************************/
- /* Initialize MPHY Pointing Table (only one entry) */
- /***************************************************/
- *mphypt_ptr = APCP_BASE;
-
- /********************************************/
- /* Initialize APC parameters for priority 1 */
- /********************************************/
- apcp_ptr->apct_base1 = APCT_PRIO_1_BASE;
- apcp_ptr->apct_end1 = APCT_PRIO_1_BASE + NUM_APCT_PRIO_1_ENTRIES * 2;
- apcp_ptr->apct_ptr1 = APCT_PRIO_1_BASE;
- apcp_ptr->apct_sptr1 = APCT_PRIO_1_BASE;
- apcp_ptr->etqbase = TQ_BASE;
- apcp_ptr->etqend = TQ_BASE + ( NUM_TQ_ENTRIES - 1 ) * 2;
- apcp_ptr->etqaptr = TQ_BASE;
- apcp_ptr->etqtptr = TQ_BASE;
- apcp_ptr->apc_mi = 8;
- apcp_ptr->ncits = 0x0100; /* NCITS = 1 */
- apcp_ptr->apcnt = 0;
- apcp_ptr->reserved1 = 0;
- apcp_ptr->eapcst = 0x2009; /* LAST, ESAR, MPHY */
- apcp_ptr->ptp_counter = 0;
- apcp_ptr->ptp_txch = 0;
- apcp_ptr->reserved2 = 0;
-
-
- /***************************************************/
- /* Initialize APC Tables with empty slots (0xFFFF) */
- /***************************************************/
- for ( i = 0; i < NUM_APCT_PRIO_1_ENTRIES; ++i ) *(apct_prio1_ptr++) = 0xFFFF;
-
- /************************/
- /* Clear Transmit Queue */
- /************************/
- for ( i = 0; i < NUM_TQ_ENTRIES; ++i ) *(tq_ptr++) = 0;
-}
-
-/*****************************************************************************
- *
- * FUNCTION NAME: atmAmtInit
- *
- * DESCRIPTION:
- *
- * This function clears the first entry in the Address Matching Table and
- * lets the first entry in the Address Pointing table point to the first
- * entry in the TCT table (i.e. the raw cell channel).
- *
- * PARAMETERS: none
- *
- * RETURNS: void
- *
- * REMARKS:
- *
- * The values for the AMBASE, AMEND and APBASE registers in SAR parameter
- * RAM are initialized by atmCpmInit().
- *
- ****************************************************************************/
-void atmAmtInit()
-{
- unsigned immr = CONFIG_SYS_IMMR;
-
- g_atm.am_top = AM_PTR(immr);
- g_atm.ap_top = AP_PTR(immr);
-
- *(g_atm.ap_top--) = CT_BASE;
- *(g_atm.am_top--) = 0;
-}
-
-/*****************************************************************************
- *
- * FUNCTION NAME: atmCpmInit
- *
- * DESCRIPTION:
- *
- * This function initializes the Utopia Interface Parameter RAM Map
- * (SCC4, ATM Protocol) of the Communication Processor Modudule.
- *
- * PARAMETERS: none
- *
- * RETURNS: void
- *
- ****************************************************************************/
-void atmCpmInit()
-{
- unsigned immr = CONFIG_SYS_IMMR;
-
- memset((char *)immr + 0x3F00, 0x00, 0xC0);
-
- /*-----------------------------------------------------------------*/
- /* RBDBASE - Receive buffer descriptors base address */
- /* The RBDs reside in cache safe external memory. */
- /*-----------------------------------------------------------------*/
- *RBDBASE(immr) = (uint32)g_atm.rbd_base_ptr;
-
- /*-----------------------------------------------------------------*/
- /* SRFCR - SAR receive function code */
- /* 0-2 rsvd = 000 */
- /* 3-4 BO = 11 Byte ordering (big endian). */
- /* 5-7 FC = 000 Value driven on the address type signals AT[1-3] */
- /* when the SDMA channel accesses memory. */
- /*-----------------------------------------------------------------*/
- *SRFCR(immr) = 0x18;
-
- /*-----------------------------------------------------------------*/
- /* SRSTATE - SAR receive status */
- /* 0 EXT = 0 Extended mode off. */
- /* 1 ACP = 0 Valid only if EXT = 1. */
- /* 2 EC = 0 Standard 53-byte ATM cell. */
- /* 3 SNC = 0 In sync. Must be set to 0 during initialization. */
- /* 4 ESAR = 1 Enhanced SAR functionality enabled. */
- /* 5 MCF = 1 Management Cell Filter active. */
- /* 6 SER = 0 UTOPIA mode. */
- /* 7 MPY = 1 Multiple PHY mode. */
- /*-----------------------------------------------------------------*/
- *SRSTATE(immr) = 0x0D;
-
- /*-----------------------------------------------------------------*/
- /* MRBLR - Maximum receive buffer length register. */
- /* Must be cleared for ATM operation (see also SMRBLR). */
- /*-----------------------------------------------------------------*/
- *MRBLR(immr) = 0;
-
- /*-----------------------------------------------------------------*/
- /* RSTATE - SCC internal receive state parameters */
- /* The first byte must be initialized with the value of SRFCR. */
- /*-----------------------------------------------------------------*/
- *RSTATE(immr) = (uint32)(*SRFCR(immr)) << 24;
-
- /*-----------------------------------------------------------------*/
- /* STFCR - SAR transmit function code */
- /* 0-2 rsvd = 000 */
- /* 3-4 BO = 11 Byte ordering (big endian). */
- /* 5-7 FC = 000 Value driven on the address type signals AT[1-3] */
- /* when the SDMA channel accesses memory. */
- /*-----------------------------------------------------------------*/
- *STFCR(immr) = 0x18;
-
- /*-----------------------------------------------------------------*/
- /* SRSTATE - SAR transmit status */
- /* 0 EXT = 0 : Extended mode off */
- /* 1 rsvd = 0 : */
- /* 2 EC = 0 : Standard 53-byte ATM cell */
- /* 3 rsvd = 0 : */
- /* 4 ESAR = 1 : Enhanced SAR functionality enabled */
- /* 5 rsvd = 0 : */
- /* 6 SER = 0 : UTOPIA mode */
- /* 7 MPY = 1 : Multiple PHY mode */
- /*-----------------------------------------------------------------*/
- *STSTATE(immr) = 0x09;
-
- /*-----------------------------------------------------------------*/
- /* TBDBASE - Transmit buffer descriptors base address */
- /* The TBDs reside in cache safe external memory. */
- /*-----------------------------------------------------------------*/
- *TBDBASE(immr) = (uint32)g_atm.tbd_base_ptr;
-
- /*-----------------------------------------------------------------*/
- /* TSTATE - SCC internal transmit state parameters */
- /* The first byte must be initialized with the value of STFCR. */
- /*-----------------------------------------------------------------*/
- *TSTATE(immr) = (uint32)(*STFCR(immr)) << 24;
-
- /*-----------------------------------------------------------------*/
- /* CTBASE - Connection table base address */
- /* Offset from the beginning of DPRAM (64-byte aligned). */
- /*-----------------------------------------------------------------*/
- *CTBASE(immr) = CT_BASE;
-
- /*-----------------------------------------------------------------*/
- /* INTBASE - Interrupt queue base pointer. */
- /* The interrupt queue resides in cache safe external memory. */
- /*-----------------------------------------------------------------*/
- *INTBASE(immr) = (uint32)g_atm.int_reload_ptr;
-
- /*-----------------------------------------------------------------*/
- /* INTPTR - Pointer into interrupt queue. */
- /* Initialize to INTBASE. */
- /*-----------------------------------------------------------------*/
- *INTPTR(immr) = *INTBASE(immr);
-
- /*-----------------------------------------------------------------*/
- /* C_MASK - Constant mask for CRC32 */
- /* Must be initialized to 0xDEBB20E3. */
- /*-----------------------------------------------------------------*/
- *C_MASK(immr) = 0xDEBB20E3;
-
- /*-----------------------------------------------------------------*/
- /* INT_ICNT - Interrupt threshold value */
- /*-----------------------------------------------------------------*/
- *INT_ICNT(immr) = 1;
-
- /*-----------------------------------------------------------------*/
- /* INT_CNT - Interrupt counter */
- /* Initalize to INT_ICNT. Decremented for each interrupt entry */
- /* reported in the interrupt queue. On zero an interrupt is */
- /* signaled to the host by setting the GINT bit in the event */
- /* register. The counter is reinitialized with INT_ICNT. */
- /*-----------------------------------------------------------------*/
- *INT_CNT(immr) = *INT_ICNT(immr);
-
- /*-----------------------------------------------------------------*/
- /* SMRBLR - SAR maximum receive buffer length register. */
- /* Must be a multiple of 48 bytes. Common for all ATM connections. */
- /*-----------------------------------------------------------------*/
- *SMRBLR(immr) = SAR_RXB_SIZE;
-
- /*-----------------------------------------------------------------*/
- /* APCST - APC status register. */
- /* 0 rsvd 0 */
- /* 1-2 CSER 11 Initialize with the same value as NSER. */
- /* 3-4 NSER 11 Next serial or UTOPIA channel. */
- /* 5-7 rsvd 000 */
- /* 8-10 rsvd 000 */
- /* 11 rsvd 0 */
- /* 12 ESAR 1 UTOPIA Level 2 MPHY enabled. */
- /* 13 DIS 0 APC disable. Must be initiazed to 0. */
- /* 14 PL2 0 Not used. */
- /* 15 MPY 1 Multiple PHY mode on. */
- /*-----------------------------------------------------------------*/
- *APCST(immr) = 0x7809;
-
- /*-----------------------------------------------------------------*/
- /* APCPTR - Pointer to the APC parameter table */
- /* In MPHY master mode this parameter points to the MPHY pointing */
- /* table. 2-byte aligned. */
- /*-----------------------------------------------------------------*/
- *APCPTR(immr) = MPHYPT_BASE;
-
- /*-----------------------------------------------------------------*/
- /* HMASK - Header mask */
- /* Each incoming cell is masked with HMASK before being compared */
- /* to the entries in the address matching table. */
- /*-----------------------------------------------------------------*/
- *HMASK(immr) = AM_HMASK;
-
- /*-----------------------------------------------------------------*/
- /* AMBASE - Address matching table base address */
- /*-----------------------------------------------------------------*/
- *AMBASE(immr) = AM_BASE;
-
- /*-----------------------------------------------------------------*/
- /* AMEND - Address matching table end address */
- /*-----------------------------------------------------------------*/
- *AMEND(immr) = AM_BASE;
-
- /*-----------------------------------------------------------------*/
- /* APBASE - Address pointing table base address */
- /*-----------------------------------------------------------------*/
- *APBASE(immr) = AP_BASE;
-
- /*-----------------------------------------------------------------*/
- /* MPHYST - MPHY status register */
- /* 0-1 rsvd 00 */
- /* 2-6 NMPHY 00000 1 PHY */
- /* 7-9 rsvd 000 */
- /* 10-14 CMPHY 00000 Initialize with same value as NMPHY */
- /*-----------------------------------------------------------------*/
- *MPHYST(immr) = 0x0000;
-
- /*-----------------------------------------------------------------*/
- /* TCTEBASE - Transmit connection table extension base address */
- /* Offset from the beginning of DPRAM (32-byte aligned). */
- /*-----------------------------------------------------------------*/
- *TCTEBASE(immr) = TCTE_BASE;
-
- /*-----------------------------------------------------------------*/
- /* Clear not used registers. */
- /*-----------------------------------------------------------------*/
-}
-
-/*****************************************************************************
- *
- * FUNCTION NAME: atmUtpInit
- *
- * DESCRIPTION:
- *
- * This function initializes the ATM interface for
- *
- * - UTOPIA mode
- * - muxed bus
- * - master operation
- * - multi PHY (because of a bug in the MPC860P rev. E.0)
- * - internal clock = SYSCLK / 2
- *
- * EXTERNAL EFFECTS:
- *
- * After calling this function, the MPC860ESAR UTOPIA bus is
- * active and uses the following ports/pins:
- *
- * Port Pin Signal Description
- * ------ --- ------- -------------------------------------------
- * PB[15] R17 TxClav Transmit cell available input/output signal
- * PC[15] D16 RxClav Receive cell available input/output signal
- * PD[15] U17 UTPB[0] UTOPIA bus bit 0 input/output signal
- * PD[14] V19 UTPB[1] UTOPIA bus bit 1 input/output signal
- * PD[13] V18 UTPB[2] UTOPIA bus bit 2 input/output signal
- * PD[12] R16 UTPB[3] UTOPIA bus bit 3 input/output signal
- * PD[11] T16 RXENB Receive enable input/output signal
- * PD[10] W18 TXENB Transmit enable input/output signal
- * PD[9] V17 UTPCLK UTOPIA clock input/output signal
- * PD[7] T15 UTPB[4] UTOPIA bus bit 4 input/output signal
- * PD[6] V16 UTPB[5] UTOPIA bus bit 5 input/output signal
- * PD[5] U15 UTPB[6] UTOPIA bus bit 6 input/output signal
- * PD[4] U16 UTPB[7] UTOPIA bus bit 7 input/output signal
- * PD[3] W16 SOC Start of cell input/output signal
- *
- * PARAMETERS: none
- *
- * RETURNS: void
- *
- * REMARK:
- *
- * The ATM parameters and data structures must be configured before
- * initializing the UTOPIA port. The UTOPIA port activates immediately
- * upon initialization, and if its associated data structures are not
- * initialized, the CPM will lock up.
- *
- ****************************************************************************/
-void atmUtpInit()
-{
- volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
- volatile iop8xx_t *iop = &immap->im_ioport;
- volatile car8xx_t *car = &immap->im_clkrst;
- volatile cpm8xx_t *cpm = &immap->im_cpm;
- int flag;
-
- flag = disable_interrupts();
-
- /*-----------------------------------------------------------------*/
- /* SCCR - System Clock Control Register */
- /* */
- /* The UTOPIA clock can be selected to be internal clock or */
- /* external clock (selected by the UTOPIA mode register). */
- /* In case of internal clock, the UTOPIA clock is derived from */
- /* the system frequency divided by two dividers. */
- /* Bits 27-31 of the SCCR register are defined to control the */
- /* UTOPIA clock. */
- /* */
- /* SCCR[27:29] DFUTP Division factor. Divide the system clock */
- /* by 2^DFUTP. */
- /* SCCR[30:31] DFAUTP Additional division factor. Divide the */
- /* system clock by the following value: */
- /* 00 = divide by 1 */
- /* 00 = divide by 3 */
- /* 10 = divide by 5 */
- /* 11 = divide by 7 */
- /* */
- /* Note that the UTOPIA clock must be programmed as to operate */
- /* within the range SYSCLK/10 .. 50MHz. */
- /*-----------------------------------------------------------------*/
- car->car_sccr &= 0xFFFFFFE0;
- car->car_sccr |= 0x00000008; /* UTPCLK = SYSCLK / 4 */
-
- /*-----------------------------------------------------------------*/
- /* RCCR - RISC Controller Configuration Register */
- /* */
- /* RCCR[8] DR1M IDMA Request 0 Mode */
- /* 0 = edge sensitive */
- /* 1 = level sensitive */
- /* RCCR[9] DR0M IDMA Request 0 Mode */
- /* 0 = edge sensitive */
- /* 1 = level sensitive */
- /* RCCR[10:11] DRQP IDMA Request Priority */
- /* 00 = IDMA req. have more prio. than SCCs */
- /* 01 = IDMA req. have less prio. then SCCs */
- /* 10 = IDMA requests have the lowest prio. */
- /* 11 = reserved */
- /* */
- /* The RCCR[DR0M] and RCCR[DR1M] bits must be set to enable UTOPIA */
- /* operation. Also, program RCCR[DPQP] to 01 to give SCC transfers */
- /* higher priority. */
- /*-----------------------------------------------------------------*/
- cpm->cp_rccr &= 0xFF0F;
- cpm->cp_rccr |= 0x00D0;
-
- /*-----------------------------------------------------------------*/
- /* Port B - TxClav Signal */
- /*-----------------------------------------------------------------*/
- cpm->cp_pbpar |= 0x00010000; /* PBPAR[15] = 1 */
- cpm->cp_pbdir &= 0xFFFEFFFF; /* PBDIR[15] = 0 */
-
- /*-----------------------------------------------------------------*/
- /* UTOPIA Mode Register */
- /* */
- /* - muxed bus (master operation only) */
- /* - multi PHY (because of a bug in the MPC860P rev.E.0) */
- /* - internal clock */
- /* - no loopback */
- /* - do no activate statistical counters */
- /*-----------------------------------------------------------------*/
- iop->utmode = 0x00000004; SYNC;
-
- /*-----------------------------------------------------------------*/
- /* Port D - UTOPIA Data and Control Signals */
- /* */
- /* 15-12 UTPB[0:3] UTOPIA bus bit 0 - 3 input/output signals */
- /* 11 RXENB UTOPIA receive enable input/output signal */
- /* 10 TXENB UTOPIA transmit enable input/output signal */
- /* 9 TUPCLK UTOPIA clock input/output signal */
- /* 8 MII-MDC Used by MII in simult. MII and UTOPIA operation */
- /* 7-4 UTPB[4:7] UTOPIA bus bit 4 - 7 input/output signals */
- /* 3 SOC UTOPIA Start of cell input/output signal */
- /* 2 Reserved */
- /* 1 Enable UTOPIA mode */
- /* 0 Enable SAR */
- /*-----------------------------------------------------------------*/
- iop->iop_pdpar |= 0xDF7F; SYNC;
- iop->iop_pddir &= 0x2080; SYNC;
-
- /*-----------------------------------------------------------------*/
- /* Port C - RxClav Signal */
- /*-----------------------------------------------------------------*/
- iop->iop_pcpar |= 0x0001; /* PCPAR[15] = 1 */
- iop->iop_pcdir &= 0xFFFE; /* PCDIR[15] = 0 */
- iop->iop_pcso &= 0xFFFE; /* PCSO[15] = 0 */
-
- if (flag)
- enable_interrupts();
-}