root/arch/powerpc/include/asm/cpm2.h
/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Communication Processor Module v2.
 *
 * This file contains structures and information for the communication
 * processor channels found in the dual port RAM or parameter RAM.
 * All CPM control and status is available through the CPM2 internal
 * memory map.  See immap_cpm2.h for details.
 */
#ifdef __KERNEL__
#ifndef __CPM2__
#define __CPM2__

#include <asm/immap_cpm2.h>
#include <asm/cpm.h>
#include <sysdev/fsl_soc.h>

/* CPM Command register.
*/
#define CPM_CR_RST      ((uint)0x80000000)
#define CPM_CR_PAGE     ((uint)0x7c000000)
#define CPM_CR_SBLOCK   ((uint)0x03e00000)
#define CPM_CR_FLG      ((uint)0x00010000)
#define CPM_CR_MCN      ((uint)0x00003fc0)
#define CPM_CR_OPCODE   ((uint)0x0000000f)

/* Device sub-block and page codes.
*/
#define CPM_CR_SCC1_SBLOCK      (0x04)
#define CPM_CR_SCC2_SBLOCK      (0x05)
#define CPM_CR_SCC3_SBLOCK      (0x06)
#define CPM_CR_SCC4_SBLOCK      (0x07)
#define CPM_CR_SMC1_SBLOCK      (0x08)
#define CPM_CR_SMC2_SBLOCK      (0x09)
#define CPM_CR_SPI_SBLOCK       (0x0a)
#define CPM_CR_I2C_SBLOCK       (0x0b)
#define CPM_CR_TIMER_SBLOCK     (0x0f)
#define CPM_CR_RAND_SBLOCK      (0x0e)
#define CPM_CR_FCC1_SBLOCK      (0x10)
#define CPM_CR_FCC2_SBLOCK      (0x11)
#define CPM_CR_FCC3_SBLOCK      (0x12)
#define CPM_CR_IDMA1_SBLOCK     (0x14)
#define CPM_CR_IDMA2_SBLOCK     (0x15)
#define CPM_CR_IDMA3_SBLOCK     (0x16)
#define CPM_CR_IDMA4_SBLOCK     (0x17)
#define CPM_CR_MCC1_SBLOCK      (0x1c)

#define CPM_CR_FCC_SBLOCK(x)    (x + 0x10)

#define CPM_CR_SCC1_PAGE        (0x00)
#define CPM_CR_SCC2_PAGE        (0x01)
#define CPM_CR_SCC3_PAGE        (0x02)
#define CPM_CR_SCC4_PAGE        (0x03)
#define CPM_CR_SMC1_PAGE        (0x07)
#define CPM_CR_SMC2_PAGE        (0x08)
#define CPM_CR_SPI_PAGE         (0x09)
#define CPM_CR_I2C_PAGE         (0x0a)
#define CPM_CR_TIMER_PAGE       (0x0a)
#define CPM_CR_RAND_PAGE        (0x0a)
#define CPM_CR_FCC1_PAGE        (0x04)
#define CPM_CR_FCC2_PAGE        (0x05)
#define CPM_CR_FCC3_PAGE        (0x06)
#define CPM_CR_IDMA1_PAGE       (0x07)
#define CPM_CR_IDMA2_PAGE       (0x08)
#define CPM_CR_IDMA3_PAGE       (0x09)
#define CPM_CR_IDMA4_PAGE       (0x0a)
#define CPM_CR_MCC1_PAGE        (0x07)
#define CPM_CR_MCC2_PAGE        (0x08)

#define CPM_CR_FCC_PAGE(x)      (x + 0x04)

/* CPM2-specific opcodes (see cpm.h for common opcodes)
*/
#define CPM_CR_START_IDMA       ((ushort)0x0009)

#define mk_cr_cmd(PG, SBC, MCN, OP) \
        ((PG << 26) | (SBC << 21) | (MCN << 6) | OP)

/* The number of pages of host memory we allocate for CPM.  This is
 * done early in kernel initialization to get physically contiguous
 * pages.
 */
#define NUM_CPM_HOST_PAGES      2

/* Export the base address of the communication processor registers
 * and dual port ram.
 */
extern cpm_cpm2_t __iomem *cpmp; /* Pointer to comm processor */

extern void cpm2_reset(void);

/* Baud rate generators.
*/
#define CPM_BRG_RST             ((uint)0x00020000)
#define CPM_BRG_EN              ((uint)0x00010000)
#define CPM_BRG_EXTC_INT        ((uint)0x00000000)
#define CPM_BRG_EXTC_CLK3_9     ((uint)0x00004000)
#define CPM_BRG_EXTC_CLK5_15    ((uint)0x00008000)
#define CPM_BRG_ATB             ((uint)0x00002000)
#define CPM_BRG_CD_MASK         ((uint)0x00001ffe)
#define CPM_BRG_DIV16           ((uint)0x00000001)

#define CPM2_BRG_INT_CLK        (get_brgfreq())
#define CPM2_BRG_UART_CLK       (CPM2_BRG_INT_CLK/16)

extern void __cpm2_setbrg(uint brg, uint rate, uint clk, int div16, int src);

/* This function is used by UARTS, or anything else that uses a 16x
 * oversampled clock.
 */
static inline void cpm_setbrg(uint brg, uint rate)
{
        __cpm2_setbrg(brg, rate, CPM2_BRG_UART_CLK, 0, CPM_BRG_EXTC_INT);
}

/* This function is used to set high speed synchronous baud rate
 * clocks.
 */
static inline void cpm2_fastbrg(uint brg, uint rate, int div16)
{
        __cpm2_setbrg(brg, rate, CPM2_BRG_INT_CLK, div16, CPM_BRG_EXTC_INT);
}

/* Parameter RAM offsets from the base.
*/
#define PROFF_SCC1              ((uint)0x8000)
#define PROFF_SCC2              ((uint)0x8100)
#define PROFF_SCC3              ((uint)0x8200)
#define PROFF_SCC4              ((uint)0x8300)
#define PROFF_FCC1              ((uint)0x8400)
#define PROFF_FCC2              ((uint)0x8500)
#define PROFF_FCC3              ((uint)0x8600)
#define PROFF_MCC1              ((uint)0x8700)
#define PROFF_SMC1_BASE         ((uint)0x87fc)
#define PROFF_IDMA1_BASE        ((uint)0x87fe)
#define PROFF_MCC2              ((uint)0x8800)
#define PROFF_SMC2_BASE         ((uint)0x88fc)
#define PROFF_IDMA2_BASE        ((uint)0x88fe)
#define PROFF_SPI_BASE          ((uint)0x89fc)
#define PROFF_IDMA3_BASE        ((uint)0x89fe)
#define PROFF_TIMERS            ((uint)0x8ae0)
#define PROFF_REVNUM            ((uint)0x8af0)
#define PROFF_RAND              ((uint)0x8af8)
#define PROFF_I2C_BASE          ((uint)0x8afc)
#define PROFF_IDMA4_BASE        ((uint)0x8afe)

#define PROFF_SCC_SIZE          ((uint)0x100)
#define PROFF_FCC_SIZE          ((uint)0x100)
#define PROFF_SMC_SIZE          ((uint)64)

/* The SMCs are relocated to any of the first eight DPRAM pages.
 * We will fix these at the first locations of DPRAM, until we
 * get some microcode patches :-).
 * The parameter ram space for the SMCs is fifty-some bytes, and
 * they are required to start on a 64 byte boundary.
 */
#define PROFF_SMC1      (0)
#define PROFF_SMC2      (64)


/* Define enough so I can at least use the serial port as a UART.
 */
typedef struct smc_uart {
        ushort  smc_rbase;      /* Rx Buffer descriptor base address */
        ushort  smc_tbase;      /* Tx Buffer descriptor base address */
        u_char  smc_rfcr;       /* Rx function code */
        u_char  smc_tfcr;       /* Tx function code */
        ushort  smc_mrblr;      /* Max receive buffer length */
        uint    smc_rstate;     /* Internal */
        uint    smc_idp;        /* Internal */
        ushort  smc_rbptr;      /* Internal */
        ushort  smc_ibc;        /* Internal */
        uint    smc_rxtmp;      /* Internal */
        uint    smc_tstate;     /* Internal */
        uint    smc_tdp;        /* Internal */
        ushort  smc_tbptr;      /* Internal */
        ushort  smc_tbc;        /* Internal */
        uint    smc_txtmp;      /* Internal */
        ushort  smc_maxidl;     /* Maximum idle characters */
        ushort  smc_tmpidl;     /* Temporary idle counter */
        ushort  smc_brklen;     /* Last received break length */
        ushort  smc_brkec;      /* rcv'd break condition counter */
        ushort  smc_brkcr;      /* xmt break count register */
        ushort  smc_rmask;      /* Temporary bit mask */
        uint    smc_stmp;       /* SDMA Temp */
} smc_uart_t;

/* SMC uart mode register (Internal memory map).
*/
#define SMCMR_REN       ((ushort)0x0001)
#define SMCMR_TEN       ((ushort)0x0002)
#define SMCMR_DM        ((ushort)0x000c)
#define SMCMR_SM_GCI    ((ushort)0x0000)
#define SMCMR_SM_UART   ((ushort)0x0020)
#define SMCMR_SM_TRANS  ((ushort)0x0030)
#define SMCMR_SM_MASK   ((ushort)0x0030)
#define SMCMR_PM_EVEN   ((ushort)0x0100)        /* Even parity, else odd */
#define SMCMR_REVD      SMCMR_PM_EVEN
#define SMCMR_PEN       ((ushort)0x0200)        /* Parity enable */
#define SMCMR_BS        SMCMR_PEN
#define SMCMR_SL        ((ushort)0x0400)        /* Two stops, else one */
#define SMCR_CLEN_MASK  ((ushort)0x7800)        /* Character length */
#define smcr_mk_clen(C) (((C) << 11) & SMCR_CLEN_MASK)

/* SMC Event and Mask register.
*/
#define SMCM_BRKE       ((unsigned char)0x40)   /* When in UART Mode */
#define SMCM_BRK        ((unsigned char)0x10)   /* When in UART Mode */
#define SMCM_TXE        ((unsigned char)0x10)
#define SMCM_BSY        ((unsigned char)0x04)
#define SMCM_TX         ((unsigned char)0x02)
#define SMCM_RX         ((unsigned char)0x01)

/* SCCs.
*/
#define SCC_GSMRH_IRP           ((uint)0x00040000)
#define SCC_GSMRH_GDE           ((uint)0x00010000)
#define SCC_GSMRH_TCRC_CCITT    ((uint)0x00008000)
#define SCC_GSMRH_TCRC_BISYNC   ((uint)0x00004000)
#define SCC_GSMRH_TCRC_HDLC     ((uint)0x00000000)
#define SCC_GSMRH_REVD          ((uint)0x00002000)
#define SCC_GSMRH_TRX           ((uint)0x00001000)
#define SCC_GSMRH_TTX           ((uint)0x00000800)
#define SCC_GSMRH_CDP           ((uint)0x00000400)
#define SCC_GSMRH_CTSP          ((uint)0x00000200)
#define SCC_GSMRH_CDS           ((uint)0x00000100)
#define SCC_GSMRH_CTSS          ((uint)0x00000080)
#define SCC_GSMRH_TFL           ((uint)0x00000040)
#define SCC_GSMRH_RFW           ((uint)0x00000020)
#define SCC_GSMRH_TXSY          ((uint)0x00000010)
#define SCC_GSMRH_SYNL16        ((uint)0x0000000c)
#define SCC_GSMRH_SYNL8         ((uint)0x00000008)
#define SCC_GSMRH_SYNL4         ((uint)0x00000004)
#define SCC_GSMRH_RTSM          ((uint)0x00000002)
#define SCC_GSMRH_RSYN          ((uint)0x00000001)

#define SCC_GSMRL_SIR           ((uint)0x80000000)      /* SCC2 only */
#define SCC_GSMRL_EDGE_NONE     ((uint)0x60000000)
#define SCC_GSMRL_EDGE_NEG      ((uint)0x40000000)
#define SCC_GSMRL_EDGE_POS      ((uint)0x20000000)
#define SCC_GSMRL_EDGE_BOTH     ((uint)0x00000000)
#define SCC_GSMRL_TCI           ((uint)0x10000000)
#define SCC_GSMRL_TSNC_3        ((uint)0x0c000000)
#define SCC_GSMRL_TSNC_4        ((uint)0x08000000)
#define SCC_GSMRL_TSNC_14       ((uint)0x04000000)
#define SCC_GSMRL_TSNC_INF      ((uint)0x00000000)
#define SCC_GSMRL_RINV          ((uint)0x02000000)
#define SCC_GSMRL_TINV          ((uint)0x01000000)
#define SCC_GSMRL_TPL_128       ((uint)0x00c00000)
#define SCC_GSMRL_TPL_64        ((uint)0x00a00000)
#define SCC_GSMRL_TPL_48        ((uint)0x00800000)
#define SCC_GSMRL_TPL_32        ((uint)0x00600000)
#define SCC_GSMRL_TPL_16        ((uint)0x00400000)
#define SCC_GSMRL_TPL_8         ((uint)0x00200000)
#define SCC_GSMRL_TPL_NONE      ((uint)0x00000000)
#define SCC_GSMRL_TPP_ALL1      ((uint)0x00180000)
#define SCC_GSMRL_TPP_01        ((uint)0x00100000)
#define SCC_GSMRL_TPP_10        ((uint)0x00080000)
#define SCC_GSMRL_TPP_ZEROS     ((uint)0x00000000)
#define SCC_GSMRL_TEND          ((uint)0x00040000)
#define SCC_GSMRL_TDCR_32       ((uint)0x00030000)
#define SCC_GSMRL_TDCR_16       ((uint)0x00020000)
#define SCC_GSMRL_TDCR_8        ((uint)0x00010000)
#define SCC_GSMRL_TDCR_1        ((uint)0x00000000)
#define SCC_GSMRL_RDCR_32       ((uint)0x0000c000)
#define SCC_GSMRL_RDCR_16       ((uint)0x00008000)
#define SCC_GSMRL_RDCR_8        ((uint)0x00004000)
#define SCC_GSMRL_RDCR_1        ((uint)0x00000000)
#define SCC_GSMRL_RENC_DFMAN    ((uint)0x00003000)
#define SCC_GSMRL_RENC_MANCH    ((uint)0x00002000)
#define SCC_GSMRL_RENC_FM0      ((uint)0x00001000)
#define SCC_GSMRL_RENC_NRZI     ((uint)0x00000800)
#define SCC_GSMRL_RENC_NRZ      ((uint)0x00000000)
#define SCC_GSMRL_TENC_DFMAN    ((uint)0x00000600)
#define SCC_GSMRL_TENC_MANCH    ((uint)0x00000400)
#define SCC_GSMRL_TENC_FM0      ((uint)0x00000200)
#define SCC_GSMRL_TENC_NRZI     ((uint)0x00000100)
#define SCC_GSMRL_TENC_NRZ      ((uint)0x00000000)
#define SCC_GSMRL_DIAG_LE       ((uint)0x000000c0)      /* Loop and echo */
#define SCC_GSMRL_DIAG_ECHO     ((uint)0x00000080)
#define SCC_GSMRL_DIAG_LOOP     ((uint)0x00000040)
#define SCC_GSMRL_DIAG_NORM     ((uint)0x00000000)
#define SCC_GSMRL_ENR           ((uint)0x00000020)
#define SCC_GSMRL_ENT           ((uint)0x00000010)
#define SCC_GSMRL_MODE_ENET     ((uint)0x0000000c)
#define SCC_GSMRL_MODE_DDCMP    ((uint)0x00000009)
#define SCC_GSMRL_MODE_BISYNC   ((uint)0x00000008)
#define SCC_GSMRL_MODE_V14      ((uint)0x00000007)
#define SCC_GSMRL_MODE_AHDLC    ((uint)0x00000006)
#define SCC_GSMRL_MODE_PROFIBUS ((uint)0x00000005)
#define SCC_GSMRL_MODE_UART     ((uint)0x00000004)
#define SCC_GSMRL_MODE_SS7      ((uint)0x00000003)
#define SCC_GSMRL_MODE_ATALK    ((uint)0x00000002)
#define SCC_GSMRL_MODE_HDLC     ((uint)0x00000000)

#define SCC_TODR_TOD            ((ushort)0x8000)

/* SCC Event and Mask register.
*/
#define SCCM_TXE        ((unsigned char)0x10)
#define SCCM_BSY        ((unsigned char)0x04)
#define SCCM_TX         ((unsigned char)0x02)
#define SCCM_RX         ((unsigned char)0x01)

typedef struct scc_param {
        ushort  scc_rbase;      /* Rx Buffer descriptor base address */
        ushort  scc_tbase;      /* Tx Buffer descriptor base address */
        u_char  scc_rfcr;       /* Rx function code */
        u_char  scc_tfcr;       /* Tx function code */
        ushort  scc_mrblr;      /* Max receive buffer length */
        uint    scc_rstate;     /* Internal */
        uint    scc_idp;        /* Internal */
        ushort  scc_rbptr;      /* Internal */
        ushort  scc_ibc;        /* Internal */
        uint    scc_rxtmp;      /* Internal */
        uint    scc_tstate;     /* Internal */
        uint    scc_tdp;        /* Internal */
        ushort  scc_tbptr;      /* Internal */
        ushort  scc_tbc;        /* Internal */
        uint    scc_txtmp;      /* Internal */
        uint    scc_rcrc;       /* Internal */
        uint    scc_tcrc;       /* Internal */
} sccp_t;

/* Function code bits.
*/
#define SCC_EB  ((u_char) 0x10) /* Set big endian byte order */
#define SCC_GBL ((u_char) 0x20) /* Snooping enabled */

/* CPM Ethernet through SCC1.
 */
typedef struct scc_enet {
        sccp_t  sen_genscc;
        uint    sen_cpres;      /* Preset CRC */
        uint    sen_cmask;      /* Constant mask for CRC */
        uint    sen_crcec;      /* CRC Error counter */
        uint    sen_alec;       /* alignment error counter */
        uint    sen_disfc;      /* discard frame counter */
        ushort  sen_pads;       /* Tx short frame pad character */
        ushort  sen_retlim;     /* Retry limit threshold */
        ushort  sen_retcnt;     /* Retry limit counter */
        ushort  sen_maxflr;     /* maximum frame length register */
        ushort  sen_minflr;     /* minimum frame length register */
        ushort  sen_maxd1;      /* maximum DMA1 length */
        ushort  sen_maxd2;      /* maximum DMA2 length */
        ushort  sen_maxd;       /* Rx max DMA */
        ushort  sen_dmacnt;     /* Rx DMA counter */
        ushort  sen_maxb;       /* Max BD byte count */
        ushort  sen_gaddr1;     /* Group address filter */
        ushort  sen_gaddr2;
        ushort  sen_gaddr3;
        ushort  sen_gaddr4;
        uint    sen_tbuf0data0; /* Save area 0 - current frame */
        uint    sen_tbuf0data1; /* Save area 1 - current frame */
        uint    sen_tbuf0rba;   /* Internal */
        uint    sen_tbuf0crc;   /* Internal */
        ushort  sen_tbuf0bcnt;  /* Internal */
        ushort  sen_paddrh;     /* physical address (MSB) */
        ushort  sen_paddrm;
        ushort  sen_paddrl;     /* physical address (LSB) */
        ushort  sen_pper;       /* persistence */
        ushort  sen_rfbdptr;    /* Rx first BD pointer */
        ushort  sen_tfbdptr;    /* Tx first BD pointer */
        ushort  sen_tlbdptr;    /* Tx last BD pointer */
        uint    sen_tbuf1data0; /* Save area 0 - current frame */
        uint    sen_tbuf1data1; /* Save area 1 - current frame */
        uint    sen_tbuf1rba;   /* Internal */
        uint    sen_tbuf1crc;   /* Internal */
        ushort  sen_tbuf1bcnt;  /* Internal */
        ushort  sen_txlen;      /* Tx Frame length counter */
        ushort  sen_iaddr1;     /* Individual address filter */
        ushort  sen_iaddr2;
        ushort  sen_iaddr3;
        ushort  sen_iaddr4;
        ushort  sen_boffcnt;    /* Backoff counter */

        /* NOTE: Some versions of the manual have the following items
         * incorrectly documented.  Below is the proper order.
         */
        ushort  sen_taddrh;     /* temp address (MSB) */
        ushort  sen_taddrm;
        ushort  sen_taddrl;     /* temp address (LSB) */
} scc_enet_t;


/* SCC Event register as used by Ethernet.
*/
#define SCCE_ENET_GRA   ((ushort)0x0080)        /* Graceful stop complete */
#define SCCE_ENET_TXE   ((ushort)0x0010)        /* Transmit Error */
#define SCCE_ENET_RXF   ((ushort)0x0008)        /* Full frame received */
#define SCCE_ENET_BSY   ((ushort)0x0004)        /* All incoming buffers full */
#define SCCE_ENET_TXB   ((ushort)0x0002)        /* A buffer was transmitted */
#define SCCE_ENET_RXB   ((ushort)0x0001)        /* A buffer was received */

/* SCC Mode Register (PSMR) as used by Ethernet.
*/
#define SCC_PSMR_HBC    ((ushort)0x8000)        /* Enable heartbeat */
#define SCC_PSMR_FC     ((ushort)0x4000)        /* Force collision */
#define SCC_PSMR_RSH    ((ushort)0x2000)        /* Receive short frames */
#define SCC_PSMR_IAM    ((ushort)0x1000)        /* Check individual hash */
#define SCC_PSMR_ENCRC  ((ushort)0x0800)        /* Ethernet CRC mode */
#define SCC_PSMR_PRO    ((ushort)0x0200)        /* Promiscuous mode */
#define SCC_PSMR_BRO    ((ushort)0x0100)        /* Catch broadcast pkts */
#define SCC_PSMR_SBT    ((ushort)0x0080)        /* Special backoff timer */
#define SCC_PSMR_LPB    ((ushort)0x0040)        /* Set Loopback mode */
#define SCC_PSMR_SIP    ((ushort)0x0020)        /* Sample Input Pins */
#define SCC_PSMR_LCW    ((ushort)0x0010)        /* Late collision window */
#define SCC_PSMR_NIB22  ((ushort)0x000a)        /* Start frame search */
#define SCC_PSMR_FDE    ((ushort)0x0001)        /* Full duplex enable */

/* SCC as UART
*/
typedef struct scc_uart {
        sccp_t  scc_genscc;
        uint    scc_res1;       /* Reserved */
        uint    scc_res2;       /* Reserved */
        ushort  scc_maxidl;     /* Maximum idle chars */
        ushort  scc_idlc;       /* temp idle counter */
        ushort  scc_brkcr;      /* Break count register */
        ushort  scc_parec;      /* receive parity error counter */
        ushort  scc_frmec;      /* receive framing error counter */
        ushort  scc_nosec;      /* receive noise counter */
        ushort  scc_brkec;      /* receive break condition counter */
        ushort  scc_brkln;      /* last received break length */
        ushort  scc_uaddr1;     /* UART address character 1 */
        ushort  scc_uaddr2;     /* UART address character 2 */
        ushort  scc_rtemp;      /* Temp storage */
        ushort  scc_toseq;      /* Transmit out of sequence char */
        ushort  scc_char1;      /* control character 1 */
        ushort  scc_char2;      /* control character 2 */
        ushort  scc_char3;      /* control character 3 */
        ushort  scc_char4;      /* control character 4 */
        ushort  scc_char5;      /* control character 5 */
        ushort  scc_char6;      /* control character 6 */
        ushort  scc_char7;      /* control character 7 */
        ushort  scc_char8;      /* control character 8 */
        ushort  scc_rccm;       /* receive control character mask */
        ushort  scc_rccr;       /* receive control character register */
        ushort  scc_rlbc;       /* receive last break character */
} scc_uart_t;

/* SCC Event and Mask registers when it is used as a UART.
*/
#define UART_SCCM_GLR           ((ushort)0x1000)
#define UART_SCCM_GLT           ((ushort)0x0800)
#define UART_SCCM_AB            ((ushort)0x0200)
#define UART_SCCM_IDL           ((ushort)0x0100)
#define UART_SCCM_GRA           ((ushort)0x0080)
#define UART_SCCM_BRKE          ((ushort)0x0040)
#define UART_SCCM_BRKS          ((ushort)0x0020)
#define UART_SCCM_CCR           ((ushort)0x0008)
#define UART_SCCM_BSY           ((ushort)0x0004)
#define UART_SCCM_TX            ((ushort)0x0002)
#define UART_SCCM_RX            ((ushort)0x0001)

/* The SCC PSMR when used as a UART.
*/
#define SCU_PSMR_FLC            ((ushort)0x8000)
#define SCU_PSMR_SL             ((ushort)0x4000)
#define SCU_PSMR_CL             ((ushort)0x3000)
#define SCU_PSMR_UM             ((ushort)0x0c00)
#define SCU_PSMR_FRZ            ((ushort)0x0200)
#define SCU_PSMR_RZS            ((ushort)0x0100)
#define SCU_PSMR_SYN            ((ushort)0x0080)
#define SCU_PSMR_DRT            ((ushort)0x0040)
#define SCU_PSMR_PEN            ((ushort)0x0010)
#define SCU_PSMR_RPM            ((ushort)0x000c)
#define SCU_PSMR_REVP           ((ushort)0x0008)
#define SCU_PSMR_TPM            ((ushort)0x0003)
#define SCU_PSMR_TEVP           ((ushort)0x0002)

/* CPM Transparent mode SCC.
 */
typedef struct scc_trans {
        sccp_t  st_genscc;
        uint    st_cpres;       /* Preset CRC */
        uint    st_cmask;       /* Constant mask for CRC */
} scc_trans_t;

/* How about some FCCs.....
*/
#define FCC_GFMR_DIAG_NORM      ((uint)0x00000000)
#define FCC_GFMR_DIAG_LE        ((uint)0x40000000)
#define FCC_GFMR_DIAG_AE        ((uint)0x80000000)
#define FCC_GFMR_DIAG_ALE       ((uint)0xc0000000)
#define FCC_GFMR_TCI            ((uint)0x20000000)
#define FCC_GFMR_TRX            ((uint)0x10000000)
#define FCC_GFMR_TTX            ((uint)0x08000000)
#define FCC_GFMR_CDP            ((uint)0x04000000)
#define FCC_GFMR_CTSP           ((uint)0x02000000)
#define FCC_GFMR_CDS            ((uint)0x01000000)
#define FCC_GFMR_CTSS           ((uint)0x00800000)
#define FCC_GFMR_SYNL_NONE      ((uint)0x00000000)
#define FCC_GFMR_SYNL_AUTO      ((uint)0x00004000)
#define FCC_GFMR_SYNL_8         ((uint)0x00008000)
#define FCC_GFMR_SYNL_16        ((uint)0x0000c000)
#define FCC_GFMR_RTSM           ((uint)0x00002000)
#define FCC_GFMR_RENC_NRZ       ((uint)0x00000000)
#define FCC_GFMR_RENC_NRZI      ((uint)0x00000800)
#define FCC_GFMR_REVD           ((uint)0x00000400)
#define FCC_GFMR_TENC_NRZ       ((uint)0x00000000)
#define FCC_GFMR_TENC_NRZI      ((uint)0x00000100)
#define FCC_GFMR_TCRC_16        ((uint)0x00000000)
#define FCC_GFMR_TCRC_32        ((uint)0x00000080)
#define FCC_GFMR_ENR            ((uint)0x00000020)
#define FCC_GFMR_ENT            ((uint)0x00000010)
#define FCC_GFMR_MODE_ENET      ((uint)0x0000000c)
#define FCC_GFMR_MODE_ATM       ((uint)0x0000000a)
#define FCC_GFMR_MODE_HDLC      ((uint)0x00000000)

/* Generic FCC parameter ram.
*/
typedef struct fcc_param {
        ushort  fcc_riptr;      /* Rx Internal temp pointer */
        ushort  fcc_tiptr;      /* Tx Internal temp pointer */
        ushort  fcc_res1;
        ushort  fcc_mrblr;      /* Max receive buffer length, mod 32 bytes */
        uint    fcc_rstate;     /* Upper byte is Func code, must be set */
        uint    fcc_rbase;      /* Receive BD base */
        ushort  fcc_rbdstat;    /* RxBD status */
        ushort  fcc_rbdlen;     /* RxBD down counter */
        uint    fcc_rdptr;      /* RxBD internal data pointer */
        uint    fcc_tstate;     /* Upper byte is Func code, must be set */
        uint    fcc_tbase;      /* Transmit BD base */
        ushort  fcc_tbdstat;    /* TxBD status */
        ushort  fcc_tbdlen;     /* TxBD down counter */
        uint    fcc_tdptr;      /* TxBD internal data pointer */
        uint    fcc_rbptr;      /* Rx BD Internal buf pointer */
        uint    fcc_tbptr;      /* Tx BD Internal buf pointer */
        uint    fcc_rcrc;       /* Rx temp CRC */
        uint    fcc_res2;
        uint    fcc_tcrc;       /* Tx temp CRC */
} fccp_t;


/* Ethernet controller through FCC.
*/
typedef struct fcc_enet {
        fccp_t  fen_genfcc;
        uint    fen_statbuf;    /* Internal status buffer */
        uint    fen_camptr;     /* CAM address */
        uint    fen_cmask;      /* Constant mask for CRC */
        uint    fen_cpres;      /* Preset CRC */
        uint    fen_crcec;      /* CRC Error counter */
        uint    fen_alec;       /* alignment error counter */
        uint    fen_disfc;      /* discard frame counter */
        ushort  fen_retlim;     /* Retry limit */
        ushort  fen_retcnt;     /* Retry counter */
        ushort  fen_pper;       /* Persistence */
        ushort  fen_boffcnt;    /* backoff counter */
        uint    fen_gaddrh;     /* Group address filter, high 32-bits */
        uint    fen_gaddrl;     /* Group address filter, low 32-bits */
        ushort  fen_tfcstat;    /* out of sequence TxBD */
        ushort  fen_tfclen;
        uint    fen_tfcptr;
        ushort  fen_mflr;       /* Maximum frame length (1518) */
        ushort  fen_paddrh;     /* MAC address */
        ushort  fen_paddrm;
        ushort  fen_paddrl;
        ushort  fen_ibdcount;   /* Internal BD counter */
        ushort  fen_ibdstart;   /* Internal BD start pointer */
        ushort  fen_ibdend;     /* Internal BD end pointer */
        ushort  fen_txlen;      /* Internal Tx frame length counter */
        uint    fen_ibdbase[8]; /* Internal use */
        uint    fen_iaddrh;     /* Individual address filter */
        uint    fen_iaddrl;
        ushort  fen_minflr;     /* Minimum frame length (64) */
        ushort  fen_taddrh;     /* Filter transfer MAC address */
        ushort  fen_taddrm;
        ushort  fen_taddrl;
        ushort  fen_padptr;     /* Pointer to pad byte buffer */
        ushort  fen_cftype;     /* control frame type */
        ushort  fen_cfrange;    /* control frame range */
        ushort  fen_maxb;       /* maximum BD count */
        ushort  fen_maxd1;      /* Max DMA1 length (1520) */
        ushort  fen_maxd2;      /* Max DMA2 length (1520) */
        ushort  fen_maxd;       /* internal max DMA count */
        ushort  fen_dmacnt;     /* internal DMA counter */
        uint    fen_octc;       /* Total octect counter */
        uint    fen_colc;       /* Total collision counter */
        uint    fen_broc;       /* Total broadcast packet counter */
        uint    fen_mulc;       /* Total multicast packet count */
        uint    fen_uspc;       /* Total packets < 64 bytes */
        uint    fen_frgc;       /* Total packets < 64 bytes with errors */
        uint    fen_ospc;       /* Total packets > 1518 */
        uint    fen_jbrc;       /* Total packets > 1518 with errors */
        uint    fen_p64c;       /* Total packets == 64 bytes */
        uint    fen_p65c;       /* Total packets 64 < bytes <= 127 */
        uint    fen_p128c;      /* Total packets 127 < bytes <= 255 */
        uint    fen_p256c;      /* Total packets 256 < bytes <= 511 */
        uint    fen_p512c;      /* Total packets 512 < bytes <= 1023 */
        uint    fen_p1024c;     /* Total packets 1024 < bytes <= 1518 */
        uint    fen_cambuf;     /* Internal CAM buffer pointer */
        ushort  fen_rfthr;      /* Received frames threshold */
        ushort  fen_rfcnt;      /* Received frames count */
} fcc_enet_t;

/* FCC Event/Mask register as used by Ethernet.
*/
#define FCC_ENET_GRA    ((ushort)0x0080)        /* Graceful stop complete */
#define FCC_ENET_RXC    ((ushort)0x0040)        /* Control Frame Received */
#define FCC_ENET_TXC    ((ushort)0x0020)        /* Out of seq. Tx sent */
#define FCC_ENET_TXE    ((ushort)0x0010)        /* Transmit Error */
#define FCC_ENET_RXF    ((ushort)0x0008)        /* Full frame received */
#define FCC_ENET_BSY    ((ushort)0x0004)        /* Busy.  Rx Frame dropped */
#define FCC_ENET_TXB    ((ushort)0x0002)        /* A buffer was transmitted */
#define FCC_ENET_RXB    ((ushort)0x0001)        /* A buffer was received */

/* FCC Mode Register (FPSMR) as used by Ethernet.
*/
#define FCC_PSMR_HBC    ((uint)0x80000000)      /* Enable heartbeat */
#define FCC_PSMR_FC     ((uint)0x40000000)      /* Force Collision */
#define FCC_PSMR_SBT    ((uint)0x20000000)      /* Stop backoff timer */
#define FCC_PSMR_LPB    ((uint)0x10000000)      /* Local protect. 1 = FDX */
#define FCC_PSMR_LCW    ((uint)0x08000000)      /* Late collision select */
#define FCC_PSMR_FDE    ((uint)0x04000000)      /* Full Duplex Enable */
#define FCC_PSMR_MON    ((uint)0x02000000)      /* RMON Enable */
#define FCC_PSMR_PRO    ((uint)0x00400000)      /* Promiscuous Enable */
#define FCC_PSMR_FCE    ((uint)0x00200000)      /* Flow Control Enable */
#define FCC_PSMR_RSH    ((uint)0x00100000)      /* Receive Short Frames */
#define FCC_PSMR_CAM    ((uint)0x00000400)      /* CAM enable */
#define FCC_PSMR_BRO    ((uint)0x00000200)      /* Broadcast pkt discard */
#define FCC_PSMR_ENCRC  ((uint)0x00000080)      /* Use 32-bit CRC */

/* IIC parameter RAM.
*/
typedef struct iic {
        ushort  iic_rbase;      /* Rx Buffer descriptor base address */
        ushort  iic_tbase;      /* Tx Buffer descriptor base address */
        u_char  iic_rfcr;       /* Rx function code */
        u_char  iic_tfcr;       /* Tx function code */
        ushort  iic_mrblr;      /* Max receive buffer length */
        uint    iic_rstate;     /* Internal */
        uint    iic_rdp;        /* Internal */
        ushort  iic_rbptr;      /* Internal */
        ushort  iic_rbc;        /* Internal */
        uint    iic_rxtmp;      /* Internal */
        uint    iic_tstate;     /* Internal */
        uint    iic_tdp;        /* Internal */
        ushort  iic_tbptr;      /* Internal */
        ushort  iic_tbc;        /* Internal */
        uint    iic_txtmp;      /* Internal */
} iic_t;

/* IDMA parameter RAM
*/
typedef struct idma {
        ushort ibase;           /* IDMA buffer descriptor table base address */
        ushort dcm;             /* DMA channel mode */
        ushort ibdptr;          /* IDMA current buffer descriptor pointer */
        ushort dpr_buf;         /* IDMA transfer buffer base address */
        ushort buf_inv;         /* internal buffer inventory */
        ushort ss_max;          /* steady-state maximum transfer size */
        ushort dpr_in_ptr;      /* write pointer inside the internal buffer */
        ushort sts;             /* source transfer size */
        ushort dpr_out_ptr;     /* read pointer inside the internal buffer */
        ushort seob;            /* source end of burst */
        ushort deob;            /* destination end of burst */
        ushort dts;             /* destination transfer size */
        ushort ret_add;         /* return address when working in ERM=1 mode */
        ushort res0;            /* reserved */
        uint   bd_cnt;          /* internal byte count */
        uint   s_ptr;           /* source internal data pointer */
        uint   d_ptr;           /* destination internal data pointer */
        uint   istate;          /* internal state */
        u_char res1[20];        /* pad to 64-byte length */
} idma_t;

/* DMA channel mode bit fields
*/
#define IDMA_DCM_FB             ((ushort)0x8000) /* fly-by mode */
#define IDMA_DCM_LP             ((ushort)0x4000) /* low priority */
#define IDMA_DCM_TC2            ((ushort)0x0400) /* value driven on TC[2] */
#define IDMA_DCM_DMA_WRAP_MASK  ((ushort)0x01c0) /* mask for DMA wrap */
#define IDMA_DCM_DMA_WRAP_64    ((ushort)0x0000) /* 64-byte DMA xfer buffer */
#define IDMA_DCM_DMA_WRAP_128   ((ushort)0x0040) /* 128-byte DMA xfer buffer */
#define IDMA_DCM_DMA_WRAP_256   ((ushort)0x0080) /* 256-byte DMA xfer buffer */
#define IDMA_DCM_DMA_WRAP_512   ((ushort)0x00c0) /* 512-byte DMA xfer buffer */
#define IDMA_DCM_DMA_WRAP_1024  ((ushort)0x0100) /* 1024-byte DMA xfer buffer */
#define IDMA_DCM_DMA_WRAP_2048  ((ushort)0x0140) /* 2048-byte DMA xfer buffer */
#define IDMA_DCM_SINC           ((ushort)0x0020) /* source inc addr */
#define IDMA_DCM_DINC           ((ushort)0x0010) /* destination inc addr */
#define IDMA_DCM_ERM            ((ushort)0x0008) /* external request mode */
#define IDMA_DCM_DT             ((ushort)0x0004) /* DONE treatment */
#define IDMA_DCM_SD_MASK        ((ushort)0x0003) /* mask for SD bit field */
#define IDMA_DCM_SD_MEM2MEM     ((ushort)0x0000) /* memory-to-memory xfer */
#define IDMA_DCM_SD_PER2MEM     ((ushort)0x0002) /* peripheral-to-memory xfer */
#define IDMA_DCM_SD_MEM2PER     ((ushort)0x0001) /* memory-to-peripheral xfer */

/* IDMA Buffer Descriptors
*/
typedef struct idma_bd {
        uint flags;
        uint len;       /* data length */
        uint src;       /* source data buffer pointer */
        uint dst;       /* destination data buffer pointer */
} idma_bd_t;

/* IDMA buffer descriptor flag bit fields
*/
#define IDMA_BD_V       ((uint)0x80000000)      /* valid */
#define IDMA_BD_W       ((uint)0x20000000)      /* wrap */
#define IDMA_BD_I       ((uint)0x10000000)      /* interrupt */
#define IDMA_BD_L       ((uint)0x08000000)      /* last */
#define IDMA_BD_CM      ((uint)0x02000000)      /* continuous mode */
#define IDMA_BD_SDN     ((uint)0x00400000)      /* source done */
#define IDMA_BD_DDN     ((uint)0x00200000)      /* destination done */
#define IDMA_BD_DGBL    ((uint)0x00100000)      /* destination global */
#define IDMA_BD_DBO_LE  ((uint)0x00040000)      /* little-end dest byte order */
#define IDMA_BD_DBO_BE  ((uint)0x00080000)      /* big-end dest byte order */
#define IDMA_BD_DDTB    ((uint)0x00010000)      /* destination data bus */
#define IDMA_BD_SGBL    ((uint)0x00002000)      /* source global */
#define IDMA_BD_SBO_LE  ((uint)0x00000800)      /* little-end src byte order */
#define IDMA_BD_SBO_BE  ((uint)0x00001000)      /* big-end src byte order */
#define IDMA_BD_SDTB    ((uint)0x00000200)      /* source data bus */

/* per-channel IDMA registers
*/
typedef struct im_idma {
        u_char idsr;                    /* IDMAn event status register */
        u_char res0[3];
        u_char idmr;                    /* IDMAn event mask register */
        u_char res1[3];
} im_idma_t;

/* IDMA event register bit fields
*/
#define IDMA_EVENT_SC   ((unsigned char)0x08)   /* stop completed */
#define IDMA_EVENT_OB   ((unsigned char)0x04)   /* out of buffers */
#define IDMA_EVENT_EDN  ((unsigned char)0x02)   /* external DONE asserted */
#define IDMA_EVENT_BC   ((unsigned char)0x01)   /* buffer descriptor complete */

/* RISC Controller Configuration Register (RCCR) bit fields
*/
#define RCCR_TIME       ((uint)0x80000000) /* timer enable */
#define RCCR_TIMEP_MASK ((uint)0x3f000000) /* mask for timer period bit field */
#define RCCR_DR0M       ((uint)0x00800000) /* IDMA0 request mode */
#define RCCR_DR1M       ((uint)0x00400000) /* IDMA1 request mode */
#define RCCR_DR2M       ((uint)0x00000080) /* IDMA2 request mode */
#define RCCR_DR3M       ((uint)0x00000040) /* IDMA3 request mode */
#define RCCR_DR0QP_MASK ((uint)0x00300000) /* mask for IDMA0 req priority */
#define RCCR_DR0QP_HIGH ((uint)0x00000000) /* IDMA0 has high req priority */
#define RCCR_DR0QP_MED  ((uint)0x00100000) /* IDMA0 has medium req priority */
#define RCCR_DR0QP_LOW  ((uint)0x00200000) /* IDMA0 has low req priority */
#define RCCR_DR1QP_MASK ((uint)0x00030000) /* mask for IDMA1 req priority */
#define RCCR_DR1QP_HIGH ((uint)0x00000000) /* IDMA1 has high req priority */
#define RCCR_DR1QP_MED  ((uint)0x00010000) /* IDMA1 has medium req priority */
#define RCCR_DR1QP_LOW  ((uint)0x00020000) /* IDMA1 has low req priority */
#define RCCR_DR2QP_MASK ((uint)0x00000030) /* mask for IDMA2 req priority */
#define RCCR_DR2QP_HIGH ((uint)0x00000000) /* IDMA2 has high req priority */
#define RCCR_DR2QP_MED  ((uint)0x00000010) /* IDMA2 has medium req priority */
#define RCCR_DR2QP_LOW  ((uint)0x00000020) /* IDMA2 has low req priority */
#define RCCR_DR3QP_MASK ((uint)0x00000003) /* mask for IDMA3 req priority */
#define RCCR_DR3QP_HIGH ((uint)0x00000000) /* IDMA3 has high req priority */
#define RCCR_DR3QP_MED  ((uint)0x00000001) /* IDMA3 has medium req priority */
#define RCCR_DR3QP_LOW  ((uint)0x00000002) /* IDMA3 has low req priority */
#define RCCR_EIE        ((uint)0x00080000) /* external interrupt enable */
#define RCCR_SCD        ((uint)0x00040000) /* scheduler configuration */
#define RCCR_ERAM_MASK  ((uint)0x0000e000) /* mask for enable RAM microcode */
#define RCCR_ERAM_0KB   ((uint)0x00000000) /* use 0KB of dpram for microcode */
#define RCCR_ERAM_2KB   ((uint)0x00002000) /* use 2KB of dpram for microcode */
#define RCCR_ERAM_4KB   ((uint)0x00004000) /* use 4KB of dpram for microcode */
#define RCCR_ERAM_6KB   ((uint)0x00006000) /* use 6KB of dpram for microcode */
#define RCCR_ERAM_8KB   ((uint)0x00008000) /* use 8KB of dpram for microcode */
#define RCCR_ERAM_10KB  ((uint)0x0000a000) /* use 10KB of dpram for microcode */
#define RCCR_ERAM_12KB  ((uint)0x0000c000) /* use 12KB of dpram for microcode */
#define RCCR_EDM0       ((uint)0x00000800) /* DREQ0 edge detect mode */
#define RCCR_EDM1       ((uint)0x00000400) /* DREQ1 edge detect mode */
#define RCCR_EDM2       ((uint)0x00000200) /* DREQ2 edge detect mode */
#define RCCR_EDM3       ((uint)0x00000100) /* DREQ3 edge detect mode */
#define RCCR_DEM01      ((uint)0x00000008) /* DONE0/DONE1 edge detect mode */
#define RCCR_DEM23      ((uint)0x00000004) /* DONE2/DONE3 edge detect mode */

/*-----------------------------------------------------------------------
 * CMXFCR - CMX FCC Clock Route Register
 */
#define CMXFCR_FC1         0x40000000   /* FCC1 connection              */
#define CMXFCR_RF1CS_MSK   0x38000000   /* Receive FCC1 Clock Source Mask */
#define CMXFCR_TF1CS_MSK   0x07000000   /* Transmit FCC1 Clock Source Mask */
#define CMXFCR_FC2         0x00400000   /* FCC2 connection              */
#define CMXFCR_RF2CS_MSK   0x00380000   /* Receive FCC2 Clock Source Mask */
#define CMXFCR_TF2CS_MSK   0x00070000   /* Transmit FCC2 Clock Source Mask */
#define CMXFCR_FC3         0x00004000   /* FCC3 connection              */
#define CMXFCR_RF3CS_MSK   0x00003800   /* Receive FCC3 Clock Source Mask */
#define CMXFCR_TF3CS_MSK   0x00000700   /* Transmit FCC3 Clock Source Mask */

#define CMXFCR_RF1CS_BRG5  0x00000000   /* Receive FCC1 Clock Source is BRG5 */
#define CMXFCR_RF1CS_BRG6  0x08000000   /* Receive FCC1 Clock Source is BRG6 */
#define CMXFCR_RF1CS_BRG7  0x10000000   /* Receive FCC1 Clock Source is BRG7 */
#define CMXFCR_RF1CS_BRG8  0x18000000   /* Receive FCC1 Clock Source is BRG8 */
#define CMXFCR_RF1CS_CLK9  0x20000000   /* Receive FCC1 Clock Source is CLK9 */
#define CMXFCR_RF1CS_CLK10 0x28000000   /* Receive FCC1 Clock Source is CLK10 */
#define CMXFCR_RF1CS_CLK11 0x30000000   /* Receive FCC1 Clock Source is CLK11 */
#define CMXFCR_RF1CS_CLK12 0x38000000   /* Receive FCC1 Clock Source is CLK12 */

#define CMXFCR_TF1CS_BRG5  0x00000000   /* Transmit FCC1 Clock Source is BRG5 */
#define CMXFCR_TF1CS_BRG6  0x01000000   /* Transmit FCC1 Clock Source is BRG6 */
#define CMXFCR_TF1CS_BRG7  0x02000000   /* Transmit FCC1 Clock Source is BRG7 */
#define CMXFCR_TF1CS_BRG8  0x03000000   /* Transmit FCC1 Clock Source is BRG8 */
#define CMXFCR_TF1CS_CLK9  0x04000000   /* Transmit FCC1 Clock Source is CLK9 */
#define CMXFCR_TF1CS_CLK10 0x05000000   /* Transmit FCC1 Clock Source is CLK10 */
#define CMXFCR_TF1CS_CLK11 0x06000000   /* Transmit FCC1 Clock Source is CLK11 */
#define CMXFCR_TF1CS_CLK12 0x07000000   /* Transmit FCC1 Clock Source is CLK12 */

#define CMXFCR_RF2CS_BRG5  0x00000000   /* Receive FCC2 Clock Source is BRG5 */
#define CMXFCR_RF2CS_BRG6  0x00080000   /* Receive FCC2 Clock Source is BRG6 */
#define CMXFCR_RF2CS_BRG7  0x00100000   /* Receive FCC2 Clock Source is BRG7 */
#define CMXFCR_RF2CS_BRG8  0x00180000   /* Receive FCC2 Clock Source is BRG8 */
#define CMXFCR_RF2CS_CLK13 0x00200000   /* Receive FCC2 Clock Source is CLK13 */
#define CMXFCR_RF2CS_CLK14 0x00280000   /* Receive FCC2 Clock Source is CLK14 */
#define CMXFCR_RF2CS_CLK15 0x00300000   /* Receive FCC2 Clock Source is CLK15 */
#define CMXFCR_RF2CS_CLK16 0x00380000   /* Receive FCC2 Clock Source is CLK16 */

#define CMXFCR_TF2CS_BRG5  0x00000000   /* Transmit FCC2 Clock Source is BRG5 */
#define CMXFCR_TF2CS_BRG6  0x00010000   /* Transmit FCC2 Clock Source is BRG6 */
#define CMXFCR_TF2CS_BRG7  0x00020000   /* Transmit FCC2 Clock Source is BRG7 */
#define CMXFCR_TF2CS_BRG8  0x00030000   /* Transmit FCC2 Clock Source is BRG8 */
#define CMXFCR_TF2CS_CLK13 0x00040000   /* Transmit FCC2 Clock Source is CLK13 */
#define CMXFCR_TF2CS_CLK14 0x00050000   /* Transmit FCC2 Clock Source is CLK14 */
#define CMXFCR_TF2CS_CLK15 0x00060000   /* Transmit FCC2 Clock Source is CLK15 */
#define CMXFCR_TF2CS_CLK16 0x00070000   /* Transmit FCC2 Clock Source is CLK16 */

#define CMXFCR_RF3CS_BRG5  0x00000000   /* Receive FCC3 Clock Source is BRG5 */
#define CMXFCR_RF3CS_BRG6  0x00000800   /* Receive FCC3 Clock Source is BRG6 */
#define CMXFCR_RF3CS_BRG7  0x00001000   /* Receive FCC3 Clock Source is BRG7 */
#define CMXFCR_RF3CS_BRG8  0x00001800   /* Receive FCC3 Clock Source is BRG8 */
#define CMXFCR_RF3CS_CLK13 0x00002000   /* Receive FCC3 Clock Source is CLK13 */
#define CMXFCR_RF3CS_CLK14 0x00002800   /* Receive FCC3 Clock Source is CLK14 */
#define CMXFCR_RF3CS_CLK15 0x00003000   /* Receive FCC3 Clock Source is CLK15 */
#define CMXFCR_RF3CS_CLK16 0x00003800   /* Receive FCC3 Clock Source is CLK16 */

#define CMXFCR_TF3CS_BRG5  0x00000000   /* Transmit FCC3 Clock Source is BRG5 */
#define CMXFCR_TF3CS_BRG6  0x00000100   /* Transmit FCC3 Clock Source is BRG6 */
#define CMXFCR_TF3CS_BRG7  0x00000200   /* Transmit FCC3 Clock Source is BRG7 */
#define CMXFCR_TF3CS_BRG8  0x00000300   /* Transmit FCC3 Clock Source is BRG8 */
#define CMXFCR_TF3CS_CLK13 0x00000400   /* Transmit FCC3 Clock Source is CLK13 */
#define CMXFCR_TF3CS_CLK14 0x00000500   /* Transmit FCC3 Clock Source is CLK14 */
#define CMXFCR_TF3CS_CLK15 0x00000600   /* Transmit FCC3 Clock Source is CLK15 */
#define CMXFCR_TF3CS_CLK16 0x00000700   /* Transmit FCC3 Clock Source is CLK16 */

/*-----------------------------------------------------------------------
 * CMXSCR - CMX SCC Clock Route Register
 */
#define CMXSCR_GR1         0x80000000   /* Grant Support of SCC1        */
#define CMXSCR_SC1         0x40000000   /* SCC1 connection              */
#define CMXSCR_RS1CS_MSK   0x38000000   /* Receive SCC1 Clock Source Mask */
#define CMXSCR_TS1CS_MSK   0x07000000   /* Transmit SCC1 Clock Source Mask */
#define CMXSCR_GR2         0x00800000   /* Grant Support of SCC2        */
#define CMXSCR_SC2         0x00400000   /* SCC2 connection              */
#define CMXSCR_RS2CS_MSK   0x00380000   /* Receive SCC2 Clock Source Mask */
#define CMXSCR_TS2CS_MSK   0x00070000   /* Transmit SCC2 Clock Source Mask */
#define CMXSCR_GR3         0x00008000   /* Grant Support of SCC3        */
#define CMXSCR_SC3         0x00004000   /* SCC3 connection              */
#define CMXSCR_RS3CS_MSK   0x00003800   /* Receive SCC3 Clock Source Mask */
#define CMXSCR_TS3CS_MSK   0x00000700   /* Transmit SCC3 Clock Source Mask */
#define CMXSCR_GR4         0x00000080   /* Grant Support of SCC4        */
#define CMXSCR_SC4         0x00000040   /* SCC4 connection              */
#define CMXSCR_RS4CS_MSK   0x00000038   /* Receive SCC4 Clock Source Mask */
#define CMXSCR_TS4CS_MSK   0x00000007   /* Transmit SCC4 Clock Source Mask */

#define CMXSCR_RS1CS_BRG1  0x00000000   /* SCC1 Rx Clock Source is BRG1 */
#define CMXSCR_RS1CS_BRG2  0x08000000   /* SCC1 Rx Clock Source is BRG2 */
#define CMXSCR_RS1CS_BRG3  0x10000000   /* SCC1 Rx Clock Source is BRG3 */
#define CMXSCR_RS1CS_BRG4  0x18000000   /* SCC1 Rx Clock Source is BRG4 */
#define CMXSCR_RS1CS_CLK11 0x20000000   /* SCC1 Rx Clock Source is CLK11 */
#define CMXSCR_RS1CS_CLK12 0x28000000   /* SCC1 Rx Clock Source is CLK12 */
#define CMXSCR_RS1CS_CLK3  0x30000000   /* SCC1 Rx Clock Source is CLK3 */
#define CMXSCR_RS1CS_CLK4  0x38000000   /* SCC1 Rx Clock Source is CLK4 */

#define CMXSCR_TS1CS_BRG1  0x00000000   /* SCC1 Tx Clock Source is BRG1 */
#define CMXSCR_TS1CS_BRG2  0x01000000   /* SCC1 Tx Clock Source is BRG2 */
#define CMXSCR_TS1CS_BRG3  0x02000000   /* SCC1 Tx Clock Source is BRG3 */
#define CMXSCR_TS1CS_BRG4  0x03000000   /* SCC1 Tx Clock Source is BRG4 */
#define CMXSCR_TS1CS_CLK11 0x04000000   /* SCC1 Tx Clock Source is CLK11 */
#define CMXSCR_TS1CS_CLK12 0x05000000   /* SCC1 Tx Clock Source is CLK12 */
#define CMXSCR_TS1CS_CLK3  0x06000000   /* SCC1 Tx Clock Source is CLK3 */
#define CMXSCR_TS1CS_CLK4  0x07000000   /* SCC1 Tx Clock Source is CLK4 */

#define CMXSCR_RS2CS_BRG1  0x00000000   /* SCC2 Rx Clock Source is BRG1 */
#define CMXSCR_RS2CS_BRG2  0x00080000   /* SCC2 Rx Clock Source is BRG2 */
#define CMXSCR_RS2CS_BRG3  0x00100000   /* SCC2 Rx Clock Source is BRG3 */
#define CMXSCR_RS2CS_BRG4  0x00180000   /* SCC2 Rx Clock Source is BRG4 */
#define CMXSCR_RS2CS_CLK11 0x00200000   /* SCC2 Rx Clock Source is CLK11 */
#define CMXSCR_RS2CS_CLK12 0x00280000   /* SCC2 Rx Clock Source is CLK12 */
#define CMXSCR_RS2CS_CLK3  0x00300000   /* SCC2 Rx Clock Source is CLK3 */
#define CMXSCR_RS2CS_CLK4  0x00380000   /* SCC2 Rx Clock Source is CLK4 */

#define CMXSCR_TS2CS_BRG1  0x00000000   /* SCC2 Tx Clock Source is BRG1 */
#define CMXSCR_TS2CS_BRG2  0x00010000   /* SCC2 Tx Clock Source is BRG2 */
#define CMXSCR_TS2CS_BRG3  0x00020000   /* SCC2 Tx Clock Source is BRG3 */
#define CMXSCR_TS2CS_BRG4  0x00030000   /* SCC2 Tx Clock Source is BRG4 */
#define CMXSCR_TS2CS_CLK11 0x00040000   /* SCC2 Tx Clock Source is CLK11 */
#define CMXSCR_TS2CS_CLK12 0x00050000   /* SCC2 Tx Clock Source is CLK12 */
#define CMXSCR_TS2CS_CLK3  0x00060000   /* SCC2 Tx Clock Source is CLK3 */
#define CMXSCR_TS2CS_CLK4  0x00070000   /* SCC2 Tx Clock Source is CLK4 */

#define CMXSCR_RS3CS_BRG1  0x00000000   /* SCC3 Rx Clock Source is BRG1 */
#define CMXSCR_RS3CS_BRG2  0x00000800   /* SCC3 Rx Clock Source is BRG2 */
#define CMXSCR_RS3CS_BRG3  0x00001000   /* SCC3 Rx Clock Source is BRG3 */
#define CMXSCR_RS3CS_BRG4  0x00001800   /* SCC3 Rx Clock Source is BRG4 */
#define CMXSCR_RS3CS_CLK5  0x00002000   /* SCC3 Rx Clock Source is CLK5 */
#define CMXSCR_RS3CS_CLK6  0x00002800   /* SCC3 Rx Clock Source is CLK6 */
#define CMXSCR_RS3CS_CLK7  0x00003000   /* SCC3 Rx Clock Source is CLK7 */
#define CMXSCR_RS3CS_CLK8  0x00003800   /* SCC3 Rx Clock Source is CLK8 */

#define CMXSCR_TS3CS_BRG1  0x00000000   /* SCC3 Tx Clock Source is BRG1 */
#define CMXSCR_TS3CS_BRG2  0x00000100   /* SCC3 Tx Clock Source is BRG2 */
#define CMXSCR_TS3CS_BRG3  0x00000200   /* SCC3 Tx Clock Source is BRG3 */
#define CMXSCR_TS3CS_BRG4  0x00000300   /* SCC3 Tx Clock Source is BRG4 */
#define CMXSCR_TS3CS_CLK5  0x00000400   /* SCC3 Tx Clock Source is CLK5 */
#define CMXSCR_TS3CS_CLK6  0x00000500   /* SCC3 Tx Clock Source is CLK6 */
#define CMXSCR_TS3CS_CLK7  0x00000600   /* SCC3 Tx Clock Source is CLK7 */
#define CMXSCR_TS3CS_CLK8  0x00000700   /* SCC3 Tx Clock Source is CLK8 */

#define CMXSCR_RS4CS_BRG1  0x00000000   /* SCC4 Rx Clock Source is BRG1 */
#define CMXSCR_RS4CS_BRG2  0x00000008   /* SCC4 Rx Clock Source is BRG2 */
#define CMXSCR_RS4CS_BRG3  0x00000010   /* SCC4 Rx Clock Source is BRG3 */
#define CMXSCR_RS4CS_BRG4  0x00000018   /* SCC4 Rx Clock Source is BRG4 */
#define CMXSCR_RS4CS_CLK5  0x00000020   /* SCC4 Rx Clock Source is CLK5 */
#define CMXSCR_RS4CS_CLK6  0x00000028   /* SCC4 Rx Clock Source is CLK6 */
#define CMXSCR_RS4CS_CLK7  0x00000030   /* SCC4 Rx Clock Source is CLK7 */
#define CMXSCR_RS4CS_CLK8  0x00000038   /* SCC4 Rx Clock Source is CLK8 */

#define CMXSCR_TS4CS_BRG1  0x00000000   /* SCC4 Tx Clock Source is BRG1 */
#define CMXSCR_TS4CS_BRG2  0x00000001   /* SCC4 Tx Clock Source is BRG2 */
#define CMXSCR_TS4CS_BRG3  0x00000002   /* SCC4 Tx Clock Source is BRG3 */
#define CMXSCR_TS4CS_BRG4  0x00000003   /* SCC4 Tx Clock Source is BRG4 */
#define CMXSCR_TS4CS_CLK5  0x00000004   /* SCC4 Tx Clock Source is CLK5 */
#define CMXSCR_TS4CS_CLK6  0x00000005   /* SCC4 Tx Clock Source is CLK6 */
#define CMXSCR_TS4CS_CLK7  0x00000006   /* SCC4 Tx Clock Source is CLK7 */
#define CMXSCR_TS4CS_CLK8  0x00000007   /* SCC4 Tx Clock Source is CLK8 */

/*-----------------------------------------------------------------------
 * SIUMCR - SIU Module Configuration Register                            4-31
 */
#define SIUMCR_BBD      0x80000000      /* Bus Busy Disable             */
#define SIUMCR_ESE      0x40000000      /* External Snoop Enable        */
#define SIUMCR_PBSE     0x20000000      /* Parity Byte Select Enable    */
#define SIUMCR_CDIS     0x10000000      /* Core Disable                 */
#define SIUMCR_DPPC00   0x00000000      /* Data Parity Pins Configuration*/
#define SIUMCR_DPPC01   0x04000000      /* - " -                        */
#define SIUMCR_DPPC10   0x08000000      /* - " -                        */
#define SIUMCR_DPPC11   0x0c000000      /* - " -                        */
#define SIUMCR_L2CPC00  0x00000000      /* L2 Cache Pins Configuration  */
#define SIUMCR_L2CPC01  0x01000000      /* - " -                        */
#define SIUMCR_L2CPC10  0x02000000      /* - " -                        */
#define SIUMCR_L2CPC11  0x03000000      /* - " -                        */
#define SIUMCR_LBPC00   0x00000000      /* Local Bus Pins Configuration */
#define SIUMCR_LBPC01   0x00400000      /* - " -                        */
#define SIUMCR_LBPC10   0x00800000      /* - " -                        */
#define SIUMCR_LBPC11   0x00c00000      /* - " -                        */
#define SIUMCR_APPC00   0x00000000      /* Address Parity Pins Configuration*/
#define SIUMCR_APPC01   0x00100000      /* - " -                        */
#define SIUMCR_APPC10   0x00200000      /* - " -                        */
#define SIUMCR_APPC11   0x00300000      /* - " -                        */
#define SIUMCR_CS10PC00 0x00000000      /* CS10 Pin Configuration       */
#define SIUMCR_CS10PC01 0x00040000      /* - " -                        */
#define SIUMCR_CS10PC10 0x00080000      /* - " -                        */
#define SIUMCR_CS10PC11 0x000c0000      /* - " -                        */
#define SIUMCR_BCTLC00  0x00000000      /* Buffer Control Configuration */
#define SIUMCR_BCTLC01  0x00010000      /* - " -                        */
#define SIUMCR_BCTLC10  0x00020000      /* - " -                        */
#define SIUMCR_BCTLC11  0x00030000      /* - " -                        */
#define SIUMCR_MMR00    0x00000000      /* Mask Masters Requests        */
#define SIUMCR_MMR01    0x00004000      /* - " -                        */
#define SIUMCR_MMR10    0x00008000      /* - " -                        */
#define SIUMCR_MMR11    0x0000c000      /* - " -                        */
#define SIUMCR_LPBSE    0x00002000      /* LocalBus Parity Byte Select Enable*/

/*-----------------------------------------------------------------------
 * SCCR - System Clock Control Register                                  9-8
*/
#define SCCR_PCI_MODE   0x00000100      /* PCI Mode     */
#define SCCR_PCI_MODCK  0x00000080      /* Value of PCI_MODCK pin       */
#define SCCR_PCIDF_MSK  0x00000078      /* PCI division factor  */
#define SCCR_PCIDF_SHIFT 3

#ifndef CPM_IMMR_OFFSET
#define CPM_IMMR_OFFSET 0x101a8
#endif

#define FCC_PSMR_RMII   ((uint)0x00020000)      /* Use RMII interface */

/* FCC iop & clock configuration. BSP code is responsible to define Fx_RXCLK & Fx_TXCLK
 * in order to use clock-computing stuff below for the FCC x
 */

/* Automatically generates register configurations */
#define PC_CLK(x)       ((uint)(1<<(x-1)))      /* FCC CLK I/O ports */

#define CMXFCR_RF1CS(x) ((uint)((x-5)<<27))     /* FCC1 Receive Clock Source */
#define CMXFCR_TF1CS(x) ((uint)((x-5)<<24))     /* FCC1 Transmit Clock Source */
#define CMXFCR_RF2CS(x) ((uint)((x-9)<<19))     /* FCC2 Receive Clock Source */
#define CMXFCR_TF2CS(x) ((uint)((x-9)<<16))     /* FCC2 Transmit Clock Source */
#define CMXFCR_RF3CS(x) ((uint)((x-9)<<11))     /* FCC3 Receive Clock Source */
#define CMXFCR_TF3CS(x) ((uint)((x-9)<<8))      /* FCC3 Transmit Clock Source */

#define PC_F1RXCLK      PC_CLK(F1_RXCLK)
#define PC_F1TXCLK      PC_CLK(F1_TXCLK)
#define CMX1_CLK_ROUTE  (CMXFCR_RF1CS(F1_RXCLK) | CMXFCR_TF1CS(F1_TXCLK))
#define CMX1_CLK_MASK   ((uint)0xff000000)

#define PC_F2RXCLK      PC_CLK(F2_RXCLK)
#define PC_F2TXCLK      PC_CLK(F2_TXCLK)
#define CMX2_CLK_ROUTE  (CMXFCR_RF2CS(F2_RXCLK) | CMXFCR_TF2CS(F2_TXCLK))
#define CMX2_CLK_MASK   ((uint)0x00ff0000)

#define PC_F3RXCLK      PC_CLK(F3_RXCLK)
#define PC_F3TXCLK      PC_CLK(F3_TXCLK)
#define CMX3_CLK_ROUTE  (CMXFCR_RF3CS(F3_RXCLK) | CMXFCR_TF3CS(F3_TXCLK))
#define CMX3_CLK_MASK   ((uint)0x0000ff00)

#define CPMUX_CLK_MASK (CMX3_CLK_MASK | CMX2_CLK_MASK)
#define CPMUX_CLK_ROUTE (CMX3_CLK_ROUTE | CMX2_CLK_ROUTE)

#define CLK_TRX (PC_F3TXCLK | PC_F3RXCLK | PC_F2TXCLK | PC_F2RXCLK)

/* I/O Pin assignment for FCC1.  I don't yet know the best way to do this,
 * but there is little variation among the choices.
 */
#define PA1_COL         0x00000001U
#define PA1_CRS         0x00000002U
#define PA1_TXER        0x00000004U
#define PA1_TXEN        0x00000008U
#define PA1_RXDV        0x00000010U
#define PA1_RXER        0x00000020U
#define PA1_TXDAT       0x00003c00U
#define PA1_RXDAT       0x0003c000U
#define PA1_PSORA0      (PA1_RXDAT | PA1_TXDAT)
#define PA1_PSORA1      (PA1_COL | PA1_CRS | PA1_TXER | PA1_TXEN | \
                PA1_RXDV | PA1_RXER)
#define PA1_DIRA0       (PA1_RXDAT | PA1_CRS | PA1_COL | PA1_RXER | PA1_RXDV)
#define PA1_DIRA1       (PA1_TXDAT | PA1_TXEN | PA1_TXER)


/* I/O Pin assignment for FCC2.  I don't yet know the best way to do this,
 * but there is little variation among the choices.
 */
#define PB2_TXER        0x00000001U
#define PB2_RXDV        0x00000002U
#define PB2_TXEN        0x00000004U
#define PB2_RXER        0x00000008U
#define PB2_COL         0x00000010U
#define PB2_CRS         0x00000020U
#define PB2_TXDAT       0x000003c0U
#define PB2_RXDAT       0x00003c00U
#define PB2_PSORB0      (PB2_RXDAT | PB2_TXDAT | PB2_CRS | PB2_COL | \
                PB2_RXER | PB2_RXDV | PB2_TXER)
#define PB2_PSORB1      (PB2_TXEN)
#define PB2_DIRB0       (PB2_RXDAT | PB2_CRS | PB2_COL | PB2_RXER | PB2_RXDV)
#define PB2_DIRB1       (PB2_TXDAT | PB2_TXEN | PB2_TXER)


/* I/O Pin assignment for FCC3.  I don't yet know the best way to do this,
 * but there is little variation among the choices.
 */
#define PB3_RXDV        0x00004000U
#define PB3_RXER        0x00008000U
#define PB3_TXER        0x00010000U
#define PB3_TXEN        0x00020000U
#define PB3_COL         0x00040000U
#define PB3_CRS         0x00080000U
#define PB3_TXDAT       0x0f000000U
#define PC3_TXDAT       0x00000010U
#define PB3_RXDAT       0x00f00000U
#define PB3_PSORB0      (PB3_RXDAT | PB3_TXDAT | PB3_CRS | PB3_COL | \
                PB3_RXER | PB3_RXDV | PB3_TXER | PB3_TXEN)
#define PB3_PSORB1      0
#define PB3_DIRB0       (PB3_RXDAT | PB3_CRS | PB3_COL | PB3_RXER | PB3_RXDV)
#define PB3_DIRB1       (PB3_TXDAT | PB3_TXEN | PB3_TXER)
#define PC3_DIRC1       (PC3_TXDAT)

/* Handy macro to specify mem for FCCs*/
#define FCC_MEM_OFFSET(x) (CPM_FCC_SPECIAL_BASE + (x*128))
#define FCC1_MEM_OFFSET FCC_MEM_OFFSET(0)
#define FCC2_MEM_OFFSET FCC_MEM_OFFSET(1)
#define FCC3_MEM_OFFSET FCC_MEM_OFFSET(2)

/* Pipeline Maximum Depth */
#define MPC82XX_BCR_PLDP 0x00800000

/* Clocks and GRG's */

enum cpm_clk_dir {
        CPM_CLK_RX,
        CPM_CLK_TX,
        CPM_CLK_RTX
};

enum cpm_clk_target {
        CPM_CLK_SCC1,
        CPM_CLK_SCC2,
        CPM_CLK_SCC3,
        CPM_CLK_SCC4,
        CPM_CLK_FCC1,
        CPM_CLK_FCC2,
        CPM_CLK_FCC3,
        CPM_CLK_SMC1,
        CPM_CLK_SMC2,
};

enum cpm_clk {
        CPM_CLK_NONE = 0,
        CPM_BRG1,       /* Baud Rate Generator  1 */
        CPM_BRG2,       /* Baud Rate Generator  2 */
        CPM_BRG3,       /* Baud Rate Generator  3 */
        CPM_BRG4,       /* Baud Rate Generator  4 */
        CPM_BRG5,       /* Baud Rate Generator  5 */
        CPM_BRG6,       /* Baud Rate Generator  6 */
        CPM_BRG7,       /* Baud Rate Generator  7 */
        CPM_BRG8,       /* Baud Rate Generator  8 */
        CPM_CLK1,       /* Clock  1 */
        CPM_CLK2,       /* Clock  2 */
        CPM_CLK3,       /* Clock  3 */
        CPM_CLK4,       /* Clock  4 */
        CPM_CLK5,       /* Clock  5 */
        CPM_CLK6,       /* Clock  6 */
        CPM_CLK7,       /* Clock  7 */
        CPM_CLK8,       /* Clock  8 */
        CPM_CLK9,       /* Clock  9 */
        CPM_CLK10,      /* Clock 10 */
        CPM_CLK11,      /* Clock 11 */
        CPM_CLK12,      /* Clock 12 */
        CPM_CLK13,      /* Clock 13 */
        CPM_CLK14,      /* Clock 14 */
        CPM_CLK15,      /* Clock 15 */
        CPM_CLK16,      /* Clock 16 */
        CPM_CLK17,      /* Clock 17 */
        CPM_CLK18,      /* Clock 18 */
        CPM_CLK19,      /* Clock 19 */
        CPM_CLK20,      /* Clock 20 */
        CPM_CLK_DUMMY
};

int __init cpm2_clk_setup(enum cpm_clk_target target, int clock, int mode);
int __init cpm2_smc_clk_setup(enum cpm_clk_target target, int clock);

#define CPM_PIN_INPUT     0
#define CPM_PIN_OUTPUT    1
#define CPM_PIN_PRIMARY   0
#define CPM_PIN_SECONDARY 2
#define CPM_PIN_GPIO      4
#define CPM_PIN_OPENDRAIN 8

void __init cpm2_set_pin(int port, int pin, int flags);

#endif /* __CPM2__ */
#endif /* __KERNEL__ */