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Diffstat (limited to '')
| -rw-r--r-- | c/src/lib/libcpu/powerpc/mpc8xx/include/mpc8xx.h | 1399 |
1 files changed, 1399 insertions, 0 deletions
diff --git a/c/src/lib/libcpu/powerpc/mpc8xx/include/mpc8xx.h b/c/src/lib/libcpu/powerpc/mpc8xx/include/mpc8xx.h new file mode 100644 index 0000000000..566b617baf --- /dev/null +++ b/c/src/lib/libcpu/powerpc/mpc8xx/include/mpc8xx.h @@ -0,0 +1,1399 @@ +/* +************************************************************************** +************************************************************************** +** ** +** MOTOROLA MPC860/MPC821 PORTABLE SYSTEMS MICROPROCESSOR ** +** ** +** HARDWARE DECLARATIONS ** +** ** +** ** +** Submitted By: ** +** ** +** W. Eric Norum ** +** Saskatchewan Accelerator Laboratory ** +** University of Saskatchewan ** +** 107 North Road ** +** Saskatoon, Saskatchewan, CANADA ** +** S7N 5C6 ** +** ** +** eric@skatter.usask.ca ** +** ** +** Modified for use with the MPC860 (original code was for MC68360) ** +** by ** +** Jay Monkman ** +** Frasca International, Inc. ** +** 906 E. Airport Rd. ** +** Urbana, IL, 61801 ** +** ** +** jmonkman@frasca.com ** +** ** +** Modified further for use with the MPC821 by: ** +** Andrew Bray <andy@chaos.org.uk> ** +** ** +** With some corrections/additions by: ** +** Darlene A. Stewart and ** +** Charles-Antoine Gauthier ** +** Institute for Information Technology ** +** National Research Council of Canada ** +** Ottawa, ON K1A 0R6 ** +** ** +** Darlene.Stewart@iit.nrc.ca ** +** charles.gauthier@iit.nrc.ca ** +** ** +** Corrections/additions: ** +** Copyright (c) 1999, National Research Council of Canada ** +************************************************************************** +************************************************************************** +*/ + +#ifndef __MPC8xx_h +#define __MPC8xx_h + +#ifndef ASM + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Macros for accessing Special Purpose Registers (SPRs) + */ +#define _mtspr(_spr,_reg) __asm__ volatile ( "mtspr %0, %1\n" : : "i" ((_spr)), "r" ((_reg)) ) +#define _mfspr(_reg,_spr) __asm__ volatile ( "mfspr %0, %1\n" : "=r" ((_reg)) : "i" ((_spr)) ) + +#define _isync __asm__ volatile ("isync\n"::) + +/* + * Core Registers (SPRs) + */ +#define M8xx_DEC 22 /* Decrementer Register */ +#define M8xx_DER 149 /* Debug Enable Register */ +#define M8xx_ICTRL 158 /* Instruction Support Control Register */ +#define M8xx_TBL_WR 284 /* Timebase Lower Write Register */ +#define M8xx_TBU_WR 285 /* Timebase Upper Write Register */ +#define M8xx_IMMR 638 /* Internal Memory Map Register */ + +/* + * Cache Control Registers (SPRs) + */ +#define M8xx_IC_CST 560 /* Instruction Cache Control and Status Register */ +#define M8xx_DC_CST 568 /* Data Cache Control and Status Register */ +#define M8xx_IC_ADR 561 /* Instruction Cache Address Register */ +#define M8xx_DC_ADR 569 /* Data Cache Address Register */ +#define M8xx_IC_DAT 562 /* Instruction Cache Data Port Register */ +#define M8xx_DC_DAT 570 /* Data Cache Data Port Register */ + +/* + * MMU Registers (SPRs) + */ +/* Control Registers */ +#define M8xx_MI_CTR 784 /* IMMU Control Register */ +#define M8xx_MD_CTR 792 /* DMMU Control Register */ +/* TLB Source Registers */ +#define M8xx_MI_EPN 787 /* IMMU Effective Page Number Register (EPN) */ +#define M8xx_MD_EPN 795 /* DMMU Effective Page Number Register (EPN) */ +#define M8xx_MI_TWC 789 /* IMMU Tablewalk Control Register (TWC) */ +#define M8xx_MD_TWC 797 /* DMMU Tablewalk Control Register (TWC) */ +#define M8xx_MI_RPN 790 /* IMMU Real (physical) Page Number Register (RPN) */ +#define M8xx_MD_RPN 798 /* DMMU Real (physical) Page Number Register (RPN) */ +/* Tablewalk Assist Registers */ +#define M8xx_M_TWB 796 /* MMU Tablewalk Base Register (TWB) */ +/* Protection Registers */ +#define M8xx_M_CASID 793 /* MMU Current Address Space ID Register */ +#define M8xx_MI_AP 786 /* IMMU Access Protection Register */ +#define M8xx_MD_AP 794 /* DMMU Access Protection Register */ +/* Scratch Register */ +#define M8xx_M_TW 799 /* MMU Tablewalk Special Register */ +/* Debug Registers */ +#define M8xx_MI_CAM 816 /* IMMU CAM Entry Read Register */ +#define M8xx_MI_RAM0 817 /* IMMU RAM Entry Read Register 0 */ +#define M8xx_MI_RAM1 818 /* IMMU RAM Entry Read Register 1 */ +#define M8xx_MD_CAM 824 /* DMMU CAM Entry Read Register */ +#define M8xx_MD_RAM0 825 /* DMMU RAM Entry Read Register 0 */ +#define M8xx_MD_RAM1 826 /* DMMU RAM Entry Read Register 1 */ + +#define M8xx_MI_CTR_GPM (1<<31) +#define M8xx_MI_CTR_PPM (1<<30) +#define M8xx_MI_CTR_CIDEF (1<<29) +#define M8xx_MI_CTR_RSV4I (1<<27) +#define M8xx_MI_CTR_PPCS (1<<25) +#define M8xx_MI_CTR_ITLB_INDX(x) ((x)<<8) /* ITLB index */ + +#define M8xx_MD_CTR_GPM (1<<31) +#define M8xx_MD_CTR_PPM (1<<30) +#define M8xx_MD_CTR_CIDEF (1<<29) +#define M8xx_MD_CTR_WTDEF (1<<28) +#define M8xx_MD_CTR_RSV4D (1<<27) +#define M8xx_MD_CTR_TWAM (1<<26) +#define M8xx_MD_CTR_PPCS (1<<25) +#define M8xx_MD_CTR_DTLB_INDX(x) ((x)<<8) /* DTLB index */ + +#define M8xx_MI_EPN_VALID (1<<9) + +#define M8xx_MD_EPN_VALID (1<<9) + +#define M8xx_MI_TWC_G (1<<4) +#define M8xx_MI_TWC_PSS (0<<2) +#define M8xx_MI_TWC_PS512 (1<<2) +#define M8xx_MI_TWC_PS8 (3<<2) +#define M8xx_MI_TWC_VALID (1) + +#define M8xx_MD_TWC_G (1<<4) +#define M8xx_MD_TWC_PSS (0<<2) +#define M8xx_MD_TWC_PS512 (1<<2) +#define M8xx_MD_TWC_PS8 (3<<2) +#define M8xx_MD_TWC_WT (1<<1) +#define M8xx_MD_TWC_VALID (1) + +#define M8xx_MI_RPN_F (0xf<<4) +#define M8xx_MI_RPN_16K (1<<3) +#define M8xx_MI_RPN_SHARED (1<<2) +#define M8xx_MI_RPN_CI (1<<1) +#define M8xx_MI_RPN_VALID (1) + +#define M8xx_MD_RPN_CHANGE (1<<8) +#define M8xx_MD_RPN_F (0xf<<4) +#define M8xx_MD_RPN_16K (1<<3) +#define M8xx_MD_RPN_SHARED (1<<2) +#define M8xx_MD_RPN_CI (1<<1) +#define M8xx_MD_RPN_VALID (1) + +#define M8xx_MI_AP_Kp (1) + +#define M8xx_MD_AP_Kp (1) + +#define M8xx_CACHE_CMD_SFWT (0x1<<24) +#define M8xx_CACHE_CMD_ENABLE (0x2<<24) +#define M8xx_CACHE_CMD_CFWT (0x3<<24) +#define M8xx_CACHE_CMD_DISABLE (0x4<<24) +#define M8xx_CACHE_CMD_STLES (0x5<<24) +#define M8xx_CACHE_CMD_LLCB (0x6<<24) +#define M8xx_CACHE_CMD_CLES (0x7<<24) +#define M8xx_CACHE_CMD_UNLOCK (0x8<<24) +#define M8xx_CACHE_CMD_UNLOCKALL (0xa<<24) +#define M8xx_CACHE_CMD_INVALIDATE (0xc<<24) +#define M8xx_CACHE_CMD_FLUSH (0xe<<24) + +/* +************************************************************************* +* REGISTER SUBBLOCKS * +************************************************************************* +*/ + +/* + * Memory controller registers + */ +typedef struct m8xxMEMCRegisters_ { + rtems_unsigned32 _br; + rtems_unsigned32 _or; /* Used to be called 'or'; reserved ANSI C++ keyword */ +} m8xxMEMCRegisters_t; + +/* + * Serial Communications Controller registers + */ +typedef struct m8xxSCCRegisters_ { + rtems_unsigned32 gsmr_l; + rtems_unsigned32 gsmr_h; + rtems_unsigned16 psmr; + rtems_unsigned16 _pad0; + rtems_unsigned16 todr; + rtems_unsigned16 dsr; + rtems_unsigned16 scce; + rtems_unsigned16 _pad1; + rtems_unsigned16 sccm; + rtems_unsigned8 _pad2; + rtems_unsigned8 sccs; + rtems_unsigned32 _pad3[2]; +} m8xxSCCRegisters_t; + +/* + * Serial Management Controller registers + */ +typedef struct m8xxSMCRegisters_ { + rtems_unsigned16 _pad0; + rtems_unsigned16 smcmr; + rtems_unsigned16 _pad1; + rtems_unsigned8 smce; + rtems_unsigned8 _pad2; + rtems_unsigned16 _pad3; + rtems_unsigned8 smcm; + rtems_unsigned8 _pad4; + rtems_unsigned32 _pad5; +} m8xxSMCRegisters_t; + +/* + * Fast Ethernet Controller registers (Only on MPC8xxT) + */ +typedef struct m8xxFECRegisters_ { + rtems_unsigned32 addr_low; + rtems_unsigned32 addr_high; + rtems_unsigned32 hash_table_high; + rtems_unsigned32 hash_table_low; + rtems_unsigned32 r_des_start; + rtems_unsigned32 x_des_start; + rtems_unsigned32 r_buf_size; + rtems_unsigned32 _pad0[9]; + rtems_unsigned32 ecntrl; + rtems_unsigned32 ievent; + rtems_unsigned32 imask; + rtems_unsigned32 ivec; + rtems_unsigned32 r_des_active; + rtems_unsigned32 x_des_active; + rtems_unsigned32 _pad1[10]; + rtems_unsigned32 mii_data; + rtems_unsigned32 mii_speed; + rtems_unsigned32 _pad2[17]; + rtems_unsigned32 r_bound; + rtems_unsigned32 r_fstart; + rtems_unsigned32 _pad3[6]; + rtems_unsigned32 x_fstart; + rtems_unsigned32 _pad4[17]; + rtems_unsigned32 fun_code; + rtems_unsigned32 _pad5[3]; + rtems_unsigned32 r_cntrl; + rtems_unsigned32 r_hash; + rtems_unsigned32 _pad6[14]; + rtems_unsigned32 x_cntrl; + rtems_unsigned32 _pad7[30]; + +} m8xxFECRegisters_t; + +#define M8xx_FEC_IEVENT_HBERR (1 << 31) +#define M8xx_FEC_IEVENT_BABR (1 << 30) +#define M8xx_FEC_IEVENT_BABT (1 << 29) +#define M8xx_FEC_IEVENT_GRA (1 << 28) +#define M8xx_FEC_IEVENT_TFINT (1 << 27) +#define M8xx_FEC_IEVENT_TXB (1 << 26) +#define M8xx_FEC_IEVENT_RFINT (1 << 25) +#define M8xx_FEC_IEVENT_RXB (1 << 24) +#define M8xx_FEC_IEVENT_MII (1 << 23) +#define M8xx_FEC_IEVENT_EBERR (1 << 22) +#define M8xx_FEC_IMASK_HBEEN (1 << 31) +#define M8xx_FEC_IMASK_BREEN (1 << 30) +#define M8xx_FEC_IMASK_BTEN (1 << 29) +#define M8xx_FEC_IMASK_GRAEN (1 << 28) +#define M8xx_FEC_IMASK_TFIEN (1 << 27) +#define M8xx_FEC_IMASK_TBIEN (1 << 26) +#define M8xx_FEC_IMASK_RFIEN (1 << 25) +#define M8xx_FEC_IMASK_RBIEN (1 << 24) +#define M8xx_FEC_IMASK_MIIEN (1 << 23) +#define M8xx_FEC_IMASK_EBERREN (1 << 22) + +/* +************************************************************************* +* Miscellaneous Parameters * +************************************************************************* +*/ +typedef struct m8xxMiscParms_ { + rtems_unsigned16 rev_num; + rtems_unsigned16 _res1; + rtems_unsigned32 _res2; + rtems_unsigned32 _res3; +} m8xxMiscParms_t; + +/* +************************************************************************* +* RISC Timers * +************************************************************************* +*/ +typedef struct m8xxTimerParms_ { + rtems_unsigned16 tm_base; + rtems_unsigned16 _tm_ptr; + rtems_unsigned16 _r_tmr; + rtems_unsigned16 _r_tmv; + rtems_unsigned32 tm_cmd; + rtems_unsigned32 tm_cnt; +} m8xxTimerParms_t; + +/* + * RISC Controller Configuration Register (RCCR) + * All other bits in this register are reserved. + */ +#define M8xx_RCCR_TIME (1<<15) /* Enable timer */ +#define M8xx_RCCR_TIMEP(x) ((x)<<8) /* Timer period */ +#define M8xx_RCCR_DR1M (1<<7) /* IDMA Rqst 1 Mode */ +#define M8xx_RCCR_DR0M (1<<6) /* IDMA Rqst 0 Mode */ +#define M8xx_RCCR_DRQP(x) ((x)<<4) /* IDMA Rqst Priority */ +#define M8xx_RCCR_EIE (1<<3) /* External Interrupt Enable */ +#define M8xx_RCCR_SCD (1<<2) /* Scheduler Configuration */ +#define M8xx_RCCR_ERAM(x) (x) /* Enable RAM Microcode */ + +/* + * Command register + * Set up this register before issuing a M8xx_CR_OP_SET_TIMER command. + */ +#define M8xx_TM_CMD_V (1<<31) /* Set to enable timer */ +#define M8xx_TM_CMD_R (1<<30) /* Set for automatic restart */ +#define M8xx_TM_CMD_PWM (1<<29) /* Set for PWM operation */ +#define M8xx_TM_CMD_TIMER(x) ((x)<<16) /* Select timer */ +#define M8xx_TM_CMD_PERIOD(x) (x) /* Timer period (16 bits) */ + +/* +************************************************************************* +* DMA Controllers * +************************************************************************* +*/ +typedef struct m8xxIDMAparms_ { + rtems_unsigned16 ibase; + rtems_unsigned16 dcmr; + rtems_unsigned32 _sapr; + rtems_unsigned32 _dapr; + rtems_unsigned16 ibptr; + rtems_unsigned16 _write_sp; + rtems_unsigned32 _s_byte_c; + rtems_unsigned32 _d_byte_c; + rtems_unsigned32 _s_state; + rtems_unsigned32 _itemp[4]; + rtems_unsigned32 _sr_mem; + rtems_unsigned16 _read_sp; + rtems_unsigned16 _res0; + rtems_unsigned16 _res1; + rtems_unsigned16 _res2; + rtems_unsigned32 _d_state; +} m8xxIDMAparms_t; + + +/* +************************************************************************* +* DSP * +************************************************************************* +*/ +typedef struct m8xxDSPparms_ { + rtems_unsigned32 fdbase; + rtems_unsigned32 _fd_ptr; + rtems_unsigned32 _dstate; + rtems_unsigned32 _pad0; + rtems_unsigned16 _dstatus; + rtems_unsigned16 _i; + rtems_unsigned16 _tap; + rtems_unsigned16 _cbase; + rtems_unsigned16 _pad1; + rtems_unsigned16 _xptr; + rtems_unsigned16 _pad2; + rtems_unsigned16 _yptr; + rtems_unsigned16 _m; + rtems_unsigned16 _pad3; + rtems_unsigned16 _n; + rtems_unsigned16 _pad4; + rtems_unsigned16 _k; + rtems_unsigned16 _pad5; +} m8xxDSPparms_t; + +/* +************************************************************************* +* Serial Communication Controllers * +************************************************************************* +*/ +typedef struct m8xxSCCparms_ { + rtems_unsigned16 rbase; + rtems_unsigned16 tbase; + rtems_unsigned8 rfcr; + rtems_unsigned8 tfcr; + rtems_unsigned16 mrblr; + rtems_unsigned32 _rstate; + rtems_unsigned32 _pad0; + rtems_unsigned16 _rbptr; + rtems_unsigned16 _pad1; + rtems_unsigned32 _pad2; + rtems_unsigned32 _tstate; + rtems_unsigned32 _pad3; + rtems_unsigned16 _tbptr; + rtems_unsigned16 _pad4; + rtems_unsigned32 _pad5; + rtems_unsigned32 _rcrc; + rtems_unsigned32 _tcrc; + union { + struct { + rtems_unsigned32 _res0; + rtems_unsigned32 _res1; + rtems_unsigned16 max_idl; + rtems_unsigned16 _idlc; + rtems_unsigned16 brkcr; + rtems_unsigned16 parec; + rtems_unsigned16 frmec; + rtems_unsigned16 nosec; + rtems_unsigned16 brkec; + rtems_unsigned16 brkln; + rtems_unsigned16 uaddr[2]; + rtems_unsigned16 _rtemp; + rtems_unsigned16 toseq; + rtems_unsigned16 character[8]; + rtems_unsigned16 rccm; + rtems_unsigned16 rccr; + rtems_unsigned16 rlbc; + } uart; + } un; +} m8xxSCCparms_t; + +typedef struct m8xxSCCENparms_ { + rtems_unsigned16 rbase; + rtems_unsigned16 tbase; + rtems_unsigned8 rfcr; + rtems_unsigned8 tfcr; + rtems_unsigned16 mrblr; + rtems_unsigned32 _rstate; + rtems_unsigned32 _pad0; + rtems_unsigned16 _rbptr; + rtems_unsigned16 _pad1; + rtems_unsigned32 _pad2; + rtems_unsigned32 _tstate; + rtems_unsigned32 _pad3; + rtems_unsigned16 _tbptr; + rtems_unsigned16 _pad4; + rtems_unsigned32 _pad5; + rtems_unsigned32 _rcrc; + rtems_unsigned32 _tcrc; + union { + struct { + rtems_unsigned32 _res0; + rtems_unsigned32 _res1; + rtems_unsigned16 max_idl; + rtems_unsigned16 _idlc; + rtems_unsigned16 brkcr; + rtems_unsigned16 parec; + rtems_unsigned16 frmec; + rtems_unsigned16 nosec; + rtems_unsigned16 brkec; + rtems_unsigned16 brkln; + rtems_unsigned16 uaddr[2]; + rtems_unsigned16 _rtemp; + rtems_unsigned16 toseq; + rtems_unsigned16 character[8]; + rtems_unsigned16 rccm; + rtems_unsigned16 rccr; + rtems_unsigned16 rlbc; + } uart; + struct { + rtems_unsigned32 c_pres; + rtems_unsigned32 c_mask; + rtems_unsigned32 crcec; + rtems_unsigned32 alec; + rtems_unsigned32 disfc; + rtems_unsigned16 pads; + rtems_unsigned16 ret_lim; + rtems_unsigned16 _ret_cnt; + rtems_unsigned16 mflr; + rtems_unsigned16 minflr; + rtems_unsigned16 maxd1; + rtems_unsigned16 maxd2; + rtems_unsigned16 _maxd; + rtems_unsigned16 dma_cnt; + rtems_unsigned16 _max_b; + rtems_unsigned16 gaddr1; + rtems_unsigned16 gaddr2; + rtems_unsigned16 gaddr3; + rtems_unsigned16 gaddr4; + rtems_unsigned32 _tbuf0data0; + rtems_unsigned32 _tbuf0data1; + rtems_unsigned32 _tbuf0rba0; + rtems_unsigned32 _tbuf0crc; + rtems_unsigned16 _tbuf0bcnt; + rtems_unsigned16 paddr_h; + rtems_unsigned16 paddr_m; + rtems_unsigned16 paddr_l; + rtems_unsigned16 p_per; + rtems_unsigned16 _rfbd_ptr; + rtems_unsigned16 _tfbd_ptr; + rtems_unsigned16 _tlbd_ptr; + rtems_unsigned32 _tbuf1data0; + rtems_unsigned32 _tbuf1data1; + rtems_unsigned32 _tbuf1rba0; + rtems_unsigned32 _tbuf1crc; + rtems_unsigned16 _tbuf1bcnt; + rtems_unsigned16 _tx_len; + rtems_unsigned16 iaddr1; + rtems_unsigned16 iaddr2; + rtems_unsigned16 iaddr3; + rtems_unsigned16 iaddr4; + rtems_unsigned16 _boff_cnt; + rtems_unsigned16 taddr_l; + rtems_unsigned16 taddr_m; + rtems_unsigned16 taddr_h; + } ethernet; + } un; +} m8xxSCCENparms_t; + +/* + * Receive and transmit function code register bits + * These apply to the function code registers of all devices, not just SCC. + */ +#define M8xx_RFCR_BO(x) ((x)<<3) +#define M8xx_RFCR_MOT (2<<3) +#define M8xx_RFCR_DMA_SPACE(x) (x) +#define M8xx_TFCR_BO(x) ((x)<<3) +#define M8xx_TFCR_MOT (2<<3) +#define M8xx_TFCR_DMA_SPACE(x) (x) + +/* + * Event and mask registers (SCCE, SCCM) + */ +#define M8xx_SCCE_BRKE (1<<6) +#define M8xx_SCCE_BRK (1<<4) +#define M8xx_SCCE_BSY (1<<2) +#define M8xx_SCCE_TX (1<<1) +#define M8xx_SCCE_RX (1<<0) + +/* +************************************************************************* +* Serial Management Controllers * +************************************************************************* +*/ +typedef struct m8xxSMCparms_ { + rtems_unsigned16 rbase; + rtems_unsigned16 tbase; + rtems_unsigned8 rfcr; + rtems_unsigned8 tfcr; + rtems_unsigned16 mrblr; + rtems_unsigned32 _rstate; + rtems_unsigned32 _pad0; + rtems_unsigned16 _rbptr; + rtems_unsigned16 _pad1; + rtems_unsigned32 _pad2; + rtems_unsigned32 _tstate; + rtems_unsigned32 _pad3; + rtems_unsigned16 _tbptr; + rtems_unsigned16 _pad4; + rtems_unsigned32 _pad5; + union { + struct { + rtems_unsigned16 max_idl; + rtems_unsigned16 _idlc; + rtems_unsigned16 brkln; + rtems_unsigned16 brkec; + rtems_unsigned16 brkcr; + rtems_unsigned16 _r_mask; + } uart; + struct { + rtems_unsigned16 _pad0[5]; + } transparent; + } un; +} m8xxSMCparms_t; + +/* + * Mode register + */ +#define M8xx_SMCMR_CLEN(x) ((x)<<11) /* Character length */ +#define M8xx_SMCMR_2STOP (1<<10) /* 2 stop bits */ +#define M8xx_SMCMR_PARITY (1<<9) /* Enable parity */ +#define M8xx_SMCMR_EVEN (1<<8) /* Even parity */ +#define M8xx_SMCMR_SM_GCI (0<<4) /* GCI Mode */ +#define M8xx_SMCMR_SM_UART (2<<4) /* UART Mode */ +#define M8xx_SMCMR_SM_TRANSPARENT (3<<4) /* Transparent Mode */ +#define M8xx_SMCMR_DM_LOOPBACK (1<<2) /* Local loopback mode */ +#define M8xx_SMCMR_DM_ECHO (2<<2) /* Echo mode */ +#define M8xx_SMCMR_TEN (1<<1) /* Enable transmitter */ +#define M8xx_SMCMR_REN (1<<0) /* Enable receiver */ + +/* + * Event and mask registers (SMCE, SMCM) + */ +#define M8xx_SMCE_BRKE (1<<6) +#define M8xx_SMCE_BRK (1<<4) +#define M8xx_SMCE_BSY (1<<2) +#define M8xx_SMCE_TX (1<<1) +#define M8xx_SMCE_RX (1<<0) + +/* +************************************************************************* +* Serial Peripheral Interface * +************************************************************************* +*/ +typedef struct m8xxSPIparms_ { + rtems_unsigned16 rbase; + rtems_unsigned16 tbase; + rtems_unsigned8 rfcr; + rtems_unsigned8 tfcr; + rtems_unsigned16 mrblr; + rtems_unsigned32 _rstate; + rtems_unsigned32 _pad0; + rtems_unsigned16 _rbptr; + rtems_unsigned16 _pad1; + rtems_unsigned32 _pad2; + rtems_unsigned32 _tstate; + rtems_unsigned32 _pad3; + rtems_unsigned16 _tbptr; + rtems_unsigned16 _pad4; + rtems_unsigned32 _pad5; +} m8xxSPIparms_t; + +/* + * Mode register (SPMODE) + */ +#define M8xx_SPMODE_LOOP (1<<14) /* Local loopback mode */ +#define M8xx_SPMODE_CI (1<<13) /* Clock invert */ +#define M8xx_SPMODE_CP (1<<12) /* Clock phase */ +#define M8xx_SPMODE_DIV16 (1<<11) /* Divide BRGCLK by 16 */ +#define M8xx_SPMODE_REV (1<<10) /* Reverse data */ +#define M8xx_SPMODE_MASTER (1<<9) /* SPI is master */ +#define M8xx_SPMODE_EN (1<<8) /* Enable SPI */ +#define M8xx_SPMODE_CLEN(x) ((x)<<4) /* Character length */ +#define M8xx_SPMODE_PM(x) (x) /* Prescaler modulus */ + +/* + * Mode register (SPCOM) + */ +#define M8xx_SPCOM_STR (1<<7) /* Start transmit */ + +/* + * Event and mask registers (SPIE, SPIM) + */ +#define M8xx_SPIE_MME (1<<5) /* Multi-master error */ +#define M8xx_SPIE_TXE (1<<4) /* Tx error */ +#define M8xx_SPIE_BSY (1<<2) /* Busy condition*/ +#define M8xx_SPIE_TXB (1<<1) /* Tx buffer */ +#define M8xx_SPIE_RXB (1<<0) /* Rx buffer */ + +/* +************************************************************************* +* SDMA (SCC, SMC, SPI) Buffer Descriptors * +************************************************************************* +*/ +typedef struct m8xxBufferDescriptor_ { + rtems_unsigned16 status; + rtems_unsigned16 length; + volatile void *buffer; +} m8xxBufferDescriptor_t; + +/* + * Bits in receive buffer descriptor status word + */ +#define M8xx_BD_EMPTY (1<<15) /* Ethernet, SCC UART, SMC UART, SPI */ +#define M8xx_BD_WRAP (1<<13) /* Ethernet, SCC UART, SMC UART, SPI */ +#define M8xx_BD_INTERRUPT (1<<12) /* Ethernet, SCC UART, SMC UART, SPI */ +#define M8xx_BD_LAST (1<<11) /* Ethernet, SPI */ +#define M8xx_BD_CONTROL_CHAR (1<<11) /* SCC UART */ +#define M8xx_BD_FIRST_IN_FRAME (1<<10) /* Ethernet */ +#define M8xx_BD_ADDRESS (1<<10) /* SCC UART */ +#define M8xx_BD_CONTINUOUS (1<<9) /* SCC UART, SMC UART, SPI */ +#define M8xx_BD_MISS (1<<8) /* Ethernet */ +#define M8xx_BD_IDLE (1<<8) /* SCC UART, SMC UART */ +#define M8xx_BD_ADDRSS_MATCH (1<<7) /* SCC UART */ +#define M8xx_BD_LONG (1<<5) /* Ethernet */ +#define M8xx_BD_BREAK (1<<5) /* SCC UART, SMC UART */ +#define M8xx_BD_NONALIGNED (1<<4) /* Ethernet */ +#define M8xx_BD_FRAMING_ERROR (1<<4) /* SCC UART, SMC UART */ +#define M8xx_BD_SHORT (1<<3) /* Ethernet */ +#define M8xx_BD_PARITY_ERROR (1<<3) /* SCC UART, SMC UART */ +#define M8xx_BD_CRC_ERROR (1<<2) /* Ethernet */ +#define M8xx_BD_OVERRUN (1<<1) /* Ethernet, SCC UART, SMC UART, SPI */ +#define M8xx_BD_COLLISION (1<<0) /* Ethernet */ +#define M8xx_BD_CARRIER_LOST (1<<0) /* SCC UART, SMC UART */ +#define M8xx_BD_MASTER_ERROR (1<<0) /* SPI */ + +/* + * Bits in transmit buffer descriptor status word + * Many bits have the same meaning as those in receiver buffer descriptors. + */ +#define M8xx_BD_READY (1<<15) /* Ethernet, SCC UART, SMC UART, SPI */ +#define M8xx_BD_PAD (1<<14) /* Ethernet */ +#define M8xx_BD_CTS_REPORT (1<<11) /* SCC UART */ +#define M8xx_BD_TX_CRC (1<<10) /* Ethernet */ +#define M8xx_BD_DEFER (1<<9) /* Ethernet */ +#define M8xx_BD_HEARTBEAT (1<<8) /* Ethernet */ +#define M8xx_BD_PREAMBLE (1<<8) /* SCC UART, SMC UART */ +#define M8xx_BD_LATE_COLLISION (1<<7) /* Ethernet */ +#define M8xx_BD_NO_STOP_BIT (1<<7) /* SCC UART */ +#define M8xx_BD_RETRY_LIMIT (1<<6) /* Ethernet */ +#define M8xx_BD_RETRY_COUNT(x) (((x)&0x3C)>>2) /* Ethernet */ +#define M8xx_BD_UNDERRUN (1<<1) /* Ethernet, SPI */ +#define M8xx_BD_CARRIER_LOST (1<<0) /* Ethernet */ +#define M8xx_BD_CTS_LOST (1<<0) /* SCC UART */ + +/* +************************************************************************* +* IDMA Buffer Descriptors * +************************************************************************* +*/ +typedef struct m8xxIDMABufferDescriptor_ { + rtems_unsigned16 status; + rtems_unsigned8 dfcr; + rtems_unsigned8 sfcr; + rtems_unsigned32 length; + void *source; + void *destination; +} m8xxIDMABufferDescriptor_t; + +/* +************************************************************************* +* RISC Communication Processor Module Command Register (CR) * +************************************************************************* +*/ +#define M8xx_CR_RST (1<<15) /* Reset communication processor */ +#define M8xx_CR_OP_INIT_RX_TX (0<<8) /* SCC, SMC UART, SMC GCI, SPI */ +#define M8xx_CR_OP_INIT_RX (1<<8) /* SCC, SMC UART, SPI */ +#define M8xx_CR_OP_INIT_TX (2<<8) /* SCC, SMC UART, SPI */ +#define M8xx_CR_OP_INIT_HUNT (3<<8) /* SCC, SMC UART */ +#define M8xx_CR_OP_STOP_TX (4<<8) /* SCC, SMC UART */ +#define M8xx_CR_OP_GR_STOP_TX (5<<8) /* SCC */ +#define M8xx_CR_OP_INIT_IDMA (5<<8) /* IDMA */ +#define M8xx_CR_OP_RESTART_TX (6<<8) /* SCC, SMC UART */ +#define M8xx_CR_OP_CLOSE_RX_BD (7<<8) /* SCC, SMC UART, SPI */ +#define M8xx_CR_OP_SET_GRP_ADDR (8<<8) /* SCC */ +#define M8xx_CR_OP_SET_TIMER (8<<8) /* Timer */ +#define M8xx_CR_OP_GCI_TIMEOUT (9<<8) /* SMC GCI */ +#define M8xx_CR_OP_RESERT_BCS (10<<8) /* SCC */ +#define M8xx_CR_OP_GCI_ABORT (10<<8) /* SMC GCI */ +#define M8xx_CR_OP_STOP_IDMA (11<<8) /* IDMA */ +#define M8xx_CR_OP_START_DSP (12<<8) /* DSP */ +#define M8xx_CR_OP_INIT_DSP (13<<8) /* DSP */ + +#define M8xx_CR_CHAN_SCC1 (0<<4) /* Channel selection */ +#define M8xx_CR_CHAN_I2C (1<<4) +#define M8xx_CR_CHAN_IDMA1 (1<<4) +#define M8xx_CR_CHAN_SCC2 (4<<4) +#define M8xx_CR_CHAN_SPI (5<<4) +#define M8xx_CR_CHAN_IDMA2 (5<<4) +#define M8xx_CR_CHAN_TIMER (5<<4) +#define M8xx_CR_CHAN_SCC3 (8<<4) +#define M8xx_CR_CHAN_SMC1 (9<<4) +#define M8xx_CR_CHAN_DSP1 (9<<4) +#define M8xx_CR_CHAN_SCC4 (12<<4) +#define M8xx_CR_CHAN_SMC2 (13<<4) +#define M8xx_CR_CHAN_DSP2 (13<<4) +#define M8xx_CR_FLG (1<<0) /* Command flag */ + +/* +************************************************************************* +* System Protection Control Register (SYPCR) * +************************************************************************* +*/ +#define M8xx_SYPCR_SWTC(x) ((x)<<16) /* Software watchdog timer count */ +#define M8xx_SYPCR_BMT(x) ((x)<<8) /* Bus monitor timing */ +#define M8xx_SYPCR_BME (1<<7) /* Bus monitor enable */ +#define M8xx_SYPCR_SWF (1<<3) /* Software watchdog freeze */ +#define M8xx_SYPCR_SWE (1<<2) /* Software watchdog enable */ +#define M8xx_SYPCR_SWRI (1<<1) /* Watchdog reset/interrupt sel. */ +#define M8xx_SYPCR_SWP (1<<0) /* Software watchdog prescale */ + +/* +************************************************************************* +* Memory Control Registers * +************************************************************************* +*/ +#define M8xx_UPM_AMX_8col (0<<20) /* 8 column DRAM */ +#define M8xx_UPM_AMX_9col (1<<20) /* 9 column DRAM */ +#define M8xx_UPM_AMX_10col (2<<20) /* 10 column DRAM */ +#define M8xx_UPM_AMX_11col (3<<20) /* 11 column DRAM */ +#define M8xx_UPM_AMX_12col (4<<20) /* 12 column DRAM */ +#define M8xx_UPM_AMX_13col (5<<20) /* 13 column DRAM */ +#define M8xx_MSR_PER(x) (0x100<<(7-x)) /* Perity error bank (x) */ +#define M8xx_MSR_WPER (1<<7) /* Write protection error */ +#define M8xx_MPTPR_PTP(x) ((x)<<8) /* Periodic timer prescaler */ +#define M8xx_BR_BA(x) ((x)&0xffff8000) /* Base address */ +#define M8xx_BR_AT(x) ((x)<<12) /* Address type */ +#define M8xx_BR_PS8 (1<<10) /* 8 bit port */ +#define M8xx_BR_PS16 (2<<10) /* 16 bit port */ +#define M8xx_BR_PS32 (0<<10) /* 32 bit port */ +#define M8xx_BR_PARE (1<<9) /* Parity checking enable */ +#define M8xx_BR_WP (1<<8) /* Write protect */ +#define M8xx_BR_MS_GPCM (0<<6) /* GPCM */ +#define M8xx_BR_MS_UPMA (2<<6) /* UPM A */ +#define M8xx_BR_MS_UPMB (3<<6) /* UPM B */ +#define M8xx_MEMC_BR_V (1<<0) /* Base/Option register are valid */ + +#define M8xx_MEMC_OR_32K 0xffff8000 /* Address range */ +#define M8xx_MEMC_OR_64K 0xffff0000 +#define M8xx_MEMC_OR_128K 0xfffe0000 +#define M8xx_MEMC_OR_256K 0xfffc0000 +#define M8xx_MEMC_OR_512K 0xfff80000 +#define M8xx_MEMC_OR_1M 0xfff00000 +#define M8xx_MEMC_OR_2M 0xffe00000 +#define M8xx_MEMC_OR_4M 0xffc00000 +#define M8xx_MEMC_OR_8M 0xff800000 +#define M8xx_MEMC_OR_16M 0xff000000 +#define M8xx_MEMC_OR_32M 0xfe000000 +#define M8xx_MEMC_OR_64M 0xfc000000 +#define M8xx_MEMC_OR_128 0xf8000000 +#define M8xx_MEMC_OR_256M 0xf0000000 +#define M8xx_MEMC_OR_512M 0xe0000000 +#define M8xx_MEMC_OR_1G 0xc0000000 +#define M8xx_MEMC_OR_2G 0x80000000 +#define M8xx_MEMC_OR_4G 0x00000000 +#define M8xx_MEMC_OR_ATM(x) ((x)<<12) /* Address type mask */ +#define M8xx_MEMC_OR_CSNT (1<<11) /* Chip select is negated early */ +#define M8xx_MEMC_OR_SAM (1<<11) /* Address lines are multiplexed */ +#define M8xx_MEMC_OR_ACS_NORM (0<<9) /* *CS asserted with addr lines */ +#define M8xx_MEMC_OR_ACS_QRTR (2<<9) /* *CS asserted 1/4 after addr */ +#define M8xx_MEMC_OR_ACS_HALF (3<<9) /* *CS asserted 1/2 after addr */ +#define M8xx_MEMC_OR_BI (1<<8) /* Burst inhibit */ +#define M8xx_MEMC_OR_SCY(x) ((x)<<4) /* Cycle length in clocks */ +#define M8xx_MEMC_OR_SETA (1<<3) /* *TA generated externally */ +#define M8xx_MEMC_OR_TRLX (1<<2) /* Relaxed timing in GPCM */ +#define M8xx_MEMC_OR_EHTR (1<<1) /* Extended hold time on reads */ + +/* +************************************************************************* +* UPM Registers (MxMR) * +************************************************************************* +*/ +#define M8xx_MEMC_MMR_PTP(x) ((x)<<24) /* Periodic timer period */ +#define M8xx_MEMC_MMR_PTE (1<<23) /* Periodic timer enable */ +#define M8xx_MEMC_MMR_DSP(x) ((x)<<17) /* Disable timer period */ +#define M8xx_MEMC_MMR_G0CL(x) ((x)<<13) /* General line 0 control */ +#define M8xx_MEMC_MMR_UPWAIT (1<<12) /* GPL_x4 is UPWAITx */ +#define M8xx_MEMC_MMR_RLF(x) ((x)<<8) /* Read loop field */ +#define M8xx_MEMC_MMR_WLF(x) ((x)<<4) /* Write loop field */ +#define M8xx_MEMC_MMR_TLF(x) ((x)<<0) /* Timer loop field */ +/* +************************************************************************* +* Memory Command Register (MCR) * +************************************************************************* +*/ +#define M8xx_MEMC_MCR_WRITE (0<<30) /* WRITE command */ +#define M8xx_MEMC_MCR_READ (1<<30) /* READ command */ +#define M8xx_MEMC_MCR_RUN (2<<30) /* RUN command */ +#define M8xx_MEMC_MCR_UPMA (0<<23) /* Cmd is for UPMA */ +#define M8xx_MEMC_MCR_UPMB (1<<23) /* Cmd is for UPMB */ +#define M8xx_MEMC_MCR_MB(x) ((x)<<13) /* Memory bank when RUN cmd */ +#define M8xx_MEMC_MCR_MCLF(x) ((x)<<8) /* Memory command loop field */ +#define M8xx_MEMC_MCR_MAD(x) (x) /* Machine address */ + + + +/* +************************************************************************* +* SI Mode Register (SIMODE) * +************************************************************************* +*/ +#define M8xx_SI_SMC2_BITS 0xFFFF0000 /* All SMC2 bits */ +#define M8xx_SI_SMC2_TDM (1<<31) /* Multiplexed SMC2 */ +#define M8xx_SI_SMC2_BRG1 (0<<28) /* SMC2 clock souce */ +#define M8xx_SI_SMC2_BRG2 (1<<28) +#define M8xx_SI_SMC2_BRG3 (2<<28) +#define M8xx_SI_SMC2_BRG4 (3<<28) +#define M8xx_SI_SMC2_CLK5 (0<<28) +#define M8xx_SI_SMC2_CLK6 (1<<28) +#define M8xx_SI_SMC2_CLK7 (2<<28) +#define M8xx_SI_SMC2_CLK8 (3<<28) +#define M8xx_SI_SMC1_BITS 0x0000FFFF /* All SMC1 bits */ +#define M8xx_SI_SMC1_TDM (1<<15) /* Multiplexed SMC1 */ +#define M8xx_SI_SMC1_BRG1 (0<<12) /* SMC1 clock souce */ +#define M8xx_SI_SMC1_BRG2 (1<<12) +#define M8xx_SI_SMC1_BRG3 (2<<12) +#define M8xx_SI_SMC1_BRG4 (3<<12) +#define M8xx_SI_SMC1_CLK1 (0<<12) +#define M8xx_SI_SMC1_CLK2 (1<<12) +#define M8xx_SI_SMC1_CLK3 (2<<12) +#define M8xx_SI_SMC1_CLK4 (3<<12) + +/* +************************************************************************* +* SDMA Configuration Register (SDCR) * +************************************************************************* +*/ +#define M8xx_SDCR_FREEZE (2<<13) /* Freeze on next bus cycle */ +#define M8xx_SDCR_RAID_5 (1<<0) /* Normal arbitration ID */ + +/* +************************************************************************* +* SDMA Status Register (SDSR) * +************************************************************************* +*/ +#define M8xx_SDSR_SBER (1<<7) /* SDMA Channel bus error */ +#define M8xx_SDSR_DSP2 (1<<1) /* DSP Chain 2 interrupt */ +#define M8xx_SDSR_DSP1 (1<<0) /* DSP Chain 1 interrupt */ + +/* +************************************************************************* +* Baud (sic) Rate Generators * +************************************************************************* +*/ +#define M8xx_BRG_RST (1<<17) /* Reset generator */ +#define M8xx_BRG_EN (1<<16) /* Enable generator */ +#define M8xx_BRG_EXTC_BRGCLK (0<<14) /* Source is BRGCLK */ +#define M8xx_BRG_EXTC_CLK2 (1<<14) /* Source is CLK2 pin */ +#define M8xx_BRG_EXTC_CLK6 (2<<14) /* Source is CLK6 pin */ +#define M8xx_BRG_ATB (1<<13) /* Autobaud */ +#define M8xx_BRG_115200 (21<<1) /* Assume 40 MHz clock */ +#define M8xx_BRG_57600 (32<<1) +#define M8xx_BRG_38400 (64<<1) +#define M8xx_BRG_19200 (129<<1) +#define M8xx_BRG_9600 (259<<1) +#define M8xx_BRG_4800 (520<<1) +#define M8xx_BRG_2400 (1040<<1) +#define M8xx_BRG_1200 (2082<<1) +#define M8xx_BRG_600 ((259<<1) | 1) +#define M8xx_BRG_300 ((520<<1) | 1) +#define M8xx_BRG_150 ((1040<<1) | 1) +#define M8xx_BRG_75 ((2080<<1) | 1) + +#define M8xx_TGCR_CAS4 (1<<15) /* Cascade timers 3 and 4 */ +#define M8xx_TGCR_CAS2 (1<<7) /* Cascade timers 1 and 2 */ +#define M8xx_TGCR_FRZ1 (1<<2) /* Halt timer if FREEZE asserted */ +#define M8xx_TGCR_FRZ2 (1<<6) /* Halt timer if FREEZE asserted */ +#define M8xx_TGCR_FRZ3 (1<<10) /* Halt timer if FREEZE asserted */ +#define M8xx_TGCR_FRZ4 (1<<14) /* Halt timer if FREEZE asserted */ +#define M8xx_TGCR_STP1 (1<<1) /* Stop timer */ +#define M8xx_TGCR_STP2 (1<<5) /* Stop timer */ +#define M8xx_TGCR_STP3 (1<<9) /* Stop timer */ +#define M8xx_TGCR_STP4 (1<<13) /* Stop timer */ +#define M8xx_TGCR_RST1 (1<<0) /* Enable timer */ +#define M8xx_TGCR_RST2 (1<<4) /* Enable timer */ +#define M8xx_TGCR_RST3 (1<<8) /* Enable timer */ +#define M8xx_TGCR_RST4 (1<<12) /* Enable timer */ +#define M8xx_TGCR_GM1 (1<<3) /* Gate Mode 1 for TMR1 or TMR2 */ +#define M8xx_TGCR_GM2 (1<<11) /* Gate Mode 2 for TMR3 or TMR4 */ + +#define M8xx_TMR_PS(x) ((x)<<8) /* Timer prescaler */ +#define M8xx_TMR_CE_RISE (1<<6) /* Capture on rising edge */ +#define M8xx_TMR_CE_FALL (2<<6) /* Capture on falling edge */ +#define M8xx_TMR_CE_ANY (3<<6) /* Capture on any edge */ +#define M8xx_TMR_OM_TOGGLE (1<<5) /* Toggle TOUTx pin */ +#define M8xx_TMR_ORI (1<<4) /* Interrupt on reaching reference */ +#define M8xx_TMR_RESTART (1<<3) /* Restart timer after reference */ +#define M8xx_TMR_ICLK_INT (1<<1) /* Internal clock is timer source */ +#define M8xx_TMR_ICLK_INT16 (2<<1) /* Internal clock/16 is tmr src */ +#define M8xx_TMR_ICLK_TIN (3<<1) /* TIN pin is timer source */ +#define M8xx_TMR_TGATE (1<<0) /* TGATE controls timer */ + +#define M8xx_PISCR_PIRQ(x) (1<<(15-x)) /* PIT interrupt level */ +#define M8xx_PISCR_PS (1<<7) /* PIT Interrupt state */ +#define M8xx_PISCR_PIE (1<<2) /* PIT interrupt enable */ +#define M8xx_PISCR_PITF (1<<1) /* Stop timer when freeze asserted */ +#define M8xx_PISCR_PTE (1<<0) /* PIT enable */ + +#define M8xx_TBSCR_TBIRQ(x) (1<<(15-x)) /* TB interrupt level */ +#define M8xx_TBSCR_REFA (1<<7) /* TB matches TBREFF0 */ +#define M8xx_TBSCR_REFB (1<<6) /* TB matches TBREFF1 */ +#define M8xx_TBSCR_REFAE (1<<3) /* Enable ints for REFA */ +#define M8xx_TBSCR_REFBE (1<<2) /* Enable ints for REFB */ +#define M8xx_TBSCR_TBF (1<<1) /* TB stops on FREEZE */ +#define M8xx_TBSCR_TBE (1<<0) /* enable TB and decrementer */ + +#define M8xx_SIMASK_IRM0 (1<<31) +#define M8xx_SIMASK_LVM0 (1<<30) +#define M8xx_SIMASK_IRM1 (1<<29) +#define M8xx_SIMASK_LVM1 (1<<28) +#define M8xx_SIMASK_IRM2 (1<<27) +#define M8xx_SIMASK_LVM2 (1<<26) +#define M8xx_SIMASK_IRM3 (1<<25) +#define M8xx_SIMASK_LVM3 (1<<24) +#define M8xx_SIMASK_IRM4 (1<<23) +#define M8xx_SIMASK_LVM4 (1<<22) +#define M8xx_SIMASK_IRM5 (1<<21) +#define M8xx_SIMASK_LVM5 (1<<20) +#define M8xx_SIMASK_IRM6 (1<<19) +#define M8xx_SIMASK_LVM6 (1<<18) +#define M8xx_SIMASK_IRM7 (1<<17) +#define M8xx_SIMASK_LVM7 (1<<16) + +#define M8xx_SIUMCR_EARB (1<<31) +#define M8xx_SIUMCR_EARP0 (0<<28) +#define M8xx_SIUMCR_EARP1 (1<<28) +#define M8xx_SIUMCR_EARP2 (2<<28) +#define M8xx_SIUMCR_EARP3 (3<<28) +#define M8xx_SIUMCR_EARP4 (4<<28) +#define M8xx_SIUMCR_EARP5 (5<<28) +#define M8xx_SIUMCR_EARP6 (6<<28) +#define M8xx_SIUMCR_EARP7 (7<<28) +#define M8xx_SIUMCR_DSHW (1<<23) +#define M8xx_SIUMCR_DBGC0 (0<<21) +#define M8xx_SIUMCR_DBGC1 (1<<21) +#define M8xx_SIUMCR_DBGC2 (2<<21) +#define M8xx_SIUMCR_DBGC3 (3<<21) +#define M8xx_SIUMCR_DBPC0 (0<<19) +#define M8xx_SIUMCR_DBPC1 (1<<19) +#define M8xx_SIUMCR_DBPC2 (2<<19) +#define M8xx_SIUMCR_DBPC3 (3<<19) +#define M8xx_SIUMCR_FRC (1<<17) +#define M8xx_SIUMCR_DLK (1<<16) +#define M8xx_SIUMCR_PNCS (1<<15) +#define M8xx_SIUMCR_OPAR (1<<14) +#define M8xx_SIUMCR_DPC (1<<13) +#define M8xx_SIUMCR_MPRE (1<<12) +#define M8xx_SIUMCR_MLRC0 (0<<10) +#define M8xx_SIUMCR_MLRC1 (1<<10) +#define M8xx_SIUMCR_MLRC2 (2<<10) +#define M8xx_SIUMCR_MLRC3 (3<<10) +#define M8xx_SIUMCR_AEME (1<<9) +#define M8xx_SIUMCR_SEME (1<<8) +#define M8xx_SIUMCR_BSC (1<<7) +#define M8xx_SIUMCR_GB5E (1<<6) +#define M8xx_SIUMCR_B2DD (1<<5) +#define M8xx_SIUMCR_B3DD (1<<4) + +/* + * Value to write to a key register to unlock the corresponding SIU register + */ +#define M8xx_UNLOCK_KEY 0x55CCAA33 + +/* +************************************************************************* +* MPC8xx INTERNAL MEMORY MAP REGISTERS (IMMR provides base address) * +************************************************************************* +*/ +typedef struct m8xx_ { + + /* + * SIU Block + */ + rtems_unsigned32 siumcr; + rtems_unsigned32 sypcr; +#if defined(mpc860) + rtems_unsigned32 swt; +#elif defined(mpc821) + rtems_unsigned32 _pad70; +#endif + rtems_unsigned16 _pad0; + rtems_unsigned16 swsr; + rtems_unsigned32 sipend; + rtems_unsigned32 simask; + rtems_unsigned32 siel; + rtems_unsigned32 sivec; + rtems_unsigned32 tesr; + rtems_unsigned32 _pad1[3]; + rtems_unsigned32 sdcr; + rtems_unsigned8 _pad2[0x80-0x34]; + + /* + * PCMCIA Block + */ + rtems_unsigned32 pbr0; + rtems_unsigned32 por0; + rtems_unsigned32 pbr1; + rtems_unsigned32 por1; + rtems_unsigned32 pbr2; + rtems_unsigned32 por2; + rtems_unsigned32 pbr3; + rtems_unsigned32 por3; + rtems_unsigned32 pbr4; + rtems_unsigned32 por4; + rtems_unsigned32 pbr5; + rtems_unsigned32 por5; + rtems_unsigned32 pbr6; + rtems_unsigned32 por6; + rtems_unsigned32 pbr7; + rtems_unsigned32 por7; + rtems_unsigned8 _pad3[0xe0-0xc0]; + rtems_unsigned32 pgcra; + rtems_unsigned32 pgcrb; + rtems_unsigned32 pscr; + rtems_unsigned32 _pad4; + rtems_unsigned32 pipr; + rtems_unsigned32 _pad5; + rtems_unsigned32 per; + rtems_unsigned32 _pad6; + + /* + * MEMC Block + */ + m8xxMEMCRegisters_t memc[8]; + rtems_unsigned8 _pad7[0x164-0x140]; + rtems_unsigned32 mar; + rtems_unsigned32 mcr; + rtems_unsigned32 _pad8; + rtems_unsigned32 mamr; + rtems_unsigned32 mbmr; + rtems_unsigned16 mstat; + rtems_unsigned16 mptpr; + rtems_unsigned32 mdr; + rtems_unsigned8 _pad9[0x200-0x180]; + + /* + * System integration timers + */ + rtems_unsigned16 tbscr; + rtems_unsigned16 _pad10; + rtems_unsigned32 tbreff0; + rtems_unsigned32 tbreff1; + rtems_unsigned8 _pad11[0x220-0x20c]; + rtems_unsigned16 rtcsc; + rtems_unsigned16 _pad12; + rtems_unsigned32 rtc; + rtems_unsigned32 rtsec; + rtems_unsigned32 rtcal; + rtems_unsigned32 _pad13[4]; + rtems_unsigned16 piscr; + rtems_unsigned16 _pad14; + rtems_unsigned16 pitc; + rtems_unsigned16 _pad_14_1; + rtems_unsigned16 pitr; + rtems_unsigned16 _pad_14_2; + rtems_unsigned8 _pad15[0x280-0x24c]; + + + /* + * Clocks and Reset + */ + rtems_unsigned32 sccr; + rtems_unsigned32 plprcr; + rtems_unsigned32 rsr; + rtems_unsigned8 _pad16[0x300-0x28c]; + + + /* + * System integration timers keys + */ + rtems_unsigned32 tbscrk; + rtems_unsigned32 tbreff0k; + rtems_unsigned32 tbreff1k; + rtems_unsigned32 tbk; + rtems_unsigned32 _pad17[4]; + rtems_unsigned32 rtcsk; + rtems_unsigned32 rtck; + rtems_unsigned32 rtseck; + rtems_unsigned32 rtcalk; + rtems_unsigned32 _pad18[4]; + rtems_unsigned32 piscrk; + rtems_unsigned32 pitck; + rtems_unsigned8 _pad19[0x380-0x348]; + + /* + * Clocks and Reset Keys + */ + rtems_unsigned32 sccrk; + rtems_unsigned32 plprck; + rtems_unsigned32 rsrk; + rtems_unsigned8 _pad20[0x400-0x38c]; + rtems_unsigned8 _pad21[0x800-0x400]; + rtems_unsigned8 _pad22[0x860-0x800]; + + + /* + * I2C + */ + rtems_unsigned8 i2mod; + rtems_unsigned8 _pad23[3]; + rtems_unsigned8 i2add; + rtems_unsigned8 _pad24[3]; + rtems_unsigned8 i2brg; + rtems_unsigned8 _pad25[3]; + rtems_unsigned8 i2com; + rtems_unsigned8 _pad26[3]; + rtems_unsigned8 i2cer; + rtems_unsigned8 _pad27[3]; + rtems_unsigned8 i2cmr; + rtems_unsigned8 _pad28[0x900-0x875]; + + /* + * DMA Block + */ + rtems_unsigned32 _pad29; + rtems_unsigned32 sdar; + rtems_unsigned8 sdsr; + rtems_unsigned8 _pad30[3]; + rtems_unsigned8 sdmr; + rtems_unsigned8 _pad31[3]; + rtems_unsigned8 idsr1; + rtems_unsigned8 _pad32[3]; + rtems_unsigned8 idmr1; + rtems_unsigned8 _pad33[3]; + rtems_unsigned8 idsr2; + rtems_unsigned8 _pad34[3]; + rtems_unsigned8 idmr2; + rtems_unsigned8 _pad35[0x930-0x91d]; + + /* + * CPM Interrupt Control Block + */ + rtems_unsigned16 civr; + rtems_unsigned8 _pad36[14]; + rtems_unsigned32 cicr; + rtems_unsigned32 cipr; + rtems_unsigned32 cimr; + rtems_unsigned32 cisr; + + /* + * I/O Port Block + */ + rtems_unsigned16 padir; + rtems_unsigned16 papar; + rtems_unsigned16 paodr; + rtems_unsigned16 padat; + rtems_unsigned8 _pad37[8]; + rtems_unsigned16 pcdir; + rtems_unsigned16 pcpar; + rtems_unsigned16 pcso; + rtems_unsigned16 pcdat; + rtems_unsigned16 pcint; + rtems_unsigned8 _pad39[6]; + rtems_unsigned16 pddir; + rtems_unsigned16 pdpar; + rtems_unsigned16 _pad40; + rtems_unsigned16 pddat; + rtems_unsigned8 _pad41[8]; + + /* + * CPM Timers Block + */ + rtems_unsigned16 tgcr; + rtems_unsigned8 _pad42[14]; + rtems_unsigned16 tmr1; + rtems_unsigned16 tmr2; + rtems_unsigned16 trr1; + rtems_unsigned16 trr2; + rtems_unsigned16 tcr1; + rtems_unsigned16 tcr2; + rtems_unsigned16 tcn1; + rtems_unsigned16 tcn2; + rtems_unsigned16 tmr3; + rtems_unsigned16 tmr4; + rtems_unsigned16 trr3; + rtems_unsigned16 trr4; + rtems_unsigned16 tcr3; + rtems_unsigned16 tcr4; + rtems_unsigned16 tcn3; + rtems_unsigned16 tcn4; + rtems_unsigned16 ter1; + rtems_unsigned16 ter2; + rtems_unsigned16 ter3; + rtems_unsigned16 ter4; + rtems_unsigned8 _pad43[8]; + + /* + * CPM Block + */ + rtems_unsigned16 cpcr; + rtems_unsigned16 _pad44; + rtems_unsigned16 rccr; + rtems_unsigned8 _pad45; + rtems_unsigned8 rmds; + rtems_unsigned32 rmdr; + rtems_unsigned16 rctr1; + rtems_unsigned16 rctr2; + rtems_unsigned16 rctr3; + rtems_unsigned16 rctr4; + rtems_unsigned16 _pad46; + rtems_unsigned16 rter; + rtems_unsigned16 _pad47; + rtems_unsigned16 rtmr; + rtems_unsigned8 _pad48[0x9f0-0x9dc]; + + /* + * BRG Block + */ + rtems_unsigned32 brgc1; + rtems_unsigned32 brgc2; + rtems_unsigned32 brgc3; + rtems_unsigned32 brgc4; + + /* + * SCC Block + */ + m8xxSCCRegisters_t scc1; + m8xxSCCRegisters_t scc2; +#if defined(mpc860) + m8xxSCCRegisters_t scc3; + m8xxSCCRegisters_t scc4; +#elif defined(mpc821) + rtems_unsigned8 _pad72[0xa80-0xa40]; +#endif + + /* + * SMC Block + */ + m8xxSMCRegisters_t smc1; + m8xxSMCRegisters_t smc2; + + /* + * SPI Block + */ + rtems_unsigned16 spmode; + rtems_unsigned16 _pad49[2]; + rtems_unsigned8 spie; + rtems_unsigned8 _pad50; + rtems_unsigned16 _pad51; + rtems_unsigned8 spim; + rtems_unsigned8 _pad52[2]; + rtems_unsigned8 spcom; + rtems_unsigned16 _pad53[2]; + + /* + * PIP Block + */ + rtems_unsigned16 pipc; + rtems_unsigned16 _pad54; + rtems_unsigned16 ptpr; + rtems_unsigned32 pbdir; + rtems_unsigned32 pbpar; + rtems_unsigned16 _pad55; + rtems_unsigned16 pbodr; + rtems_unsigned32 pbdat; + rtems_unsigned32 _pad56[6]; + + /* + * SI Block + */ + rtems_unsigned32 simode; + rtems_unsigned8 sigmr; + rtems_unsigned8 _pad57; + rtems_unsigned8 sistr; + rtems_unsigned8 sicmr; + rtems_unsigned32 _pad58; + rtems_unsigned32 sicr; + rtems_unsigned16 sirp[2]; + rtems_unsigned32 _pad59[3]; + rtems_unsigned8 _pad60[0xc00-0xb00]; + rtems_unsigned8 siram[512]; +#if defined(mpc860) + /* + * This is only used on the MPC8xxT - for the Fast Ethernet Controller (FEC) + */ + m8xxFECRegisters_t fec; +#elif defined(mpc821) + rtems_unsigned8 lcdram[512]; +#endif + rtems_unsigned8 _pad62[0x2000-0x1000]; + + /* + * Dual-port RAM + */ + rtems_unsigned8 dpram0[0x200]; /* BD/DATA/UCODE */ + rtems_unsigned8 dpram1[0x200]; /* BD/DATA/UCODE */ + rtems_unsigned8 dpram2[0x400]; /* BD/DATA/UCODE */ + rtems_unsigned8 dpram3[0x600]; /* BD/DATA*/ + rtems_unsigned8 dpram4[0x200]; /* BD/DATA/UCODE */ + rtems_unsigned8 _pad63[0x3c00-0x3000]; + + /* When using SCC1 for ethernet, we lose the use of I2C since + * their parameters would overlap. Motorola has a microcode + * patch to move parameters around so that both can be used + * together. It is available on their web site somewhere + * under http://www.mot.com/mpc8xx. If ethernet is used on + * one (or more) of the other SCCs, then other CPM features + * will be unavailable: + * SCC2 -> lose SPI + * SCC3 -> lose SMC1 + * SCC4 -> lose SMC2 + * However, Ethernet only works on SCC1 on the 8xx. + */ + m8xxSCCENparms_t scc1p; + rtems_unsigned8 _rsv1[0xCB0-0xC00-sizeof(m8xxSCCENparms_t)]; + m8xxMiscParms_t miscp; + rtems_unsigned8 _rsv2[0xcc0-0xCB0-sizeof(m8xxMiscParms_t)]; + m8xxIDMAparms_t idma1p; + rtems_unsigned8 _rsv3[0xd00-0xcc0-sizeof(m8xxIDMAparms_t)]; + + m8xxSCCparms_t scc2p; + rtems_unsigned8 _rsv4[0xD80-0xD00-sizeof(m8xxSCCparms_t)]; + m8xxSPIparms_t spip; + rtems_unsigned8 _rsv5[0xDB0-0xD80-sizeof(m8xxSPIparms_t)]; + m8xxTimerParms_t tmp; + rtems_unsigned8 _rsv6[0xDC0-0xDB0-sizeof(m8xxTimerParms_t)]; + m8xxIDMAparms_t idma2p; + rtems_unsigned8 _rsv7[0xE00-0xDC0-sizeof(m8xxIDMAparms_t)]; + + m8xxSCCparms_t scc3p; /* Not available on MPC821 */ + rtems_unsigned8 _rsv8[0xE80-0xE00-sizeof(m8xxSCCparms_t)]; + m8xxSMCparms_t smc1p; + rtems_unsigned8 _rsv9[0xEC0-0xE80-sizeof(m8xxSMCparms_t)]; + m8xxDSPparms_t dsp1p; + rtems_unsigned8 _rsv10[0xF00-0xEC0-sizeof(m8xxDSPparms_t)]; + + m8xxSCCparms_t scc4p; /* Not available on MPC821 */ + rtems_unsigned8 _rsv11[0xF80-0xF00-sizeof(m8xxSCCparms_t)]; + m8xxSMCparms_t smc2p; + rtems_unsigned8 _rsv12[0xFC0-0xF80-sizeof(m8xxSMCparms_t)]; + m8xxDSPparms_t dsp2p; + rtems_unsigned8 _rsv13[0x1000-0xFC0-sizeof(m8xxDSPparms_t)]; +} m8xx_t; + +extern volatile m8xx_t m8xx; + +#ifdef __cplusplus +} +#endif + +#endif /* ASM */ + +#endif /* __MPC8xx_h */ |