723 lines
26 KiB
C
723 lines
26 KiB
C
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/*
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* 68360 Communication Processor Module.
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* Copyright (c) 2000 Michael Leslie <mleslie@lineo.com> (mc68360) after:
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* Copyright (c) 1997 Dan Malek <dmalek@jlc.net> (mpc8xx)
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*
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* This file contains structures and information for the communication
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* processor channels. Some CPM control and status is available
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* through the 68360 internal memory map. See include/asm/360_immap.h for details.
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* This file is not a complete map of all of the 360 QUICC's capabilities
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*
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* On the MBX board, EPPC-Bug loads CPM microcode into the first 512
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* bytes of the DP RAM and relocates the I2C parameter area to the
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* IDMA1 space. The remaining DP RAM is available for buffer descriptors
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* or other use.
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*/
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#ifndef __CPM_360__
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#define __CPM_360__
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/* CPM Command register masks: */
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#define CPM_CR_RST ((ushort)0x8000)
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#define CPM_CR_OPCODE ((ushort)0x0f00)
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#define CPM_CR_CHAN ((ushort)0x00f0)
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#define CPM_CR_FLG ((ushort)0x0001)
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/* CPM Command set (opcodes): */
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#define CPM_CR_INIT_TRX ((ushort)0x0000)
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#define CPM_CR_INIT_RX ((ushort)0x0001)
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#define CPM_CR_INIT_TX ((ushort)0x0002)
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#define CPM_CR_HUNT_MODE ((ushort)0x0003)
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#define CPM_CR_STOP_TX ((ushort)0x0004)
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#define CPM_CR_GRSTOP_TX ((ushort)0x0005)
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#define CPM_CR_RESTART_TX ((ushort)0x0006)
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#define CPM_CR_CLOSE_RXBD ((ushort)0x0007)
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#define CPM_CR_SET_GADDR ((ushort)0x0008)
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#define CPM_CR_GCI_TIMEOUT ((ushort)0x0009)
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#define CPM_CR_GCI_ABORT ((ushort)0x000a)
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#define CPM_CR_RESET_BCS ((ushort)0x000a)
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/* CPM Channel numbers. */
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#define CPM_CR_CH_SCC1 ((ushort)0x0000)
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#define CPM_CR_CH_SCC2 ((ushort)0x0004)
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#define CPM_CR_CH_SPI ((ushort)0x0005) /* SPI / Timers */
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#define CPM_CR_CH_TMR ((ushort)0x0005)
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#define CPM_CR_CH_SCC3 ((ushort)0x0008)
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#define CPM_CR_CH_SMC1 ((ushort)0x0009) /* SMC1 / IDMA1 */
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#define CPM_CR_CH_IDMA1 ((ushort)0x0009)
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#define CPM_CR_CH_SCC4 ((ushort)0x000c)
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#define CPM_CR_CH_SMC2 ((ushort)0x000d) /* SMC2 / IDMA2 */
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#define CPM_CR_CH_IDMA2 ((ushort)0x000d)
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#define mk_cr_cmd(CH, CMD) ((CMD << 8) | (CH << 4))
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#if 1 /* mleslie: I dinna think we have any such restrictions on
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* DP RAM aboard the 360 board - see the MC68360UM p.3-3 */
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/* The dual ported RAM is multi-functional. Some areas can be (and are
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* being) used for microcode. There is an area that can only be used
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* as data ram for buffer descriptors, which is all we use right now.
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* Currently the first 512 and last 256 bytes are used for microcode.
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*/
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/* mleslie: The uCquicc board is using no extra microcode in DPRAM */
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#define CPM_DATAONLY_BASE ((uint)0x0000)
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#define CPM_DATAONLY_SIZE ((uint)0x0800)
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#define CPM_DP_NOSPACE ((uint)0x7fffffff)
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#endif
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/* Export the base address of the communication processor registers
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* and dual port ram. */
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/* extern cpm360_t *cpmp; */ /* Pointer to comm processor */
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extern QUICC *pquicc;
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uint m360_cpm_dpalloc(uint size);
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/* void *m360_cpm_hostalloc(uint size); */
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void m360_cpm_setbrg(uint brg, uint rate);
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#if 0 /* use QUICC_BD declared in include/asm/m68360_quicc.h */
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/* Buffer descriptors used by many of the CPM protocols. */
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typedef struct cpm_buf_desc {
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ushort cbd_sc; /* Status and Control */
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ushort cbd_datlen; /* Data length in buffer */
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uint cbd_bufaddr; /* Buffer address in host memory */
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} cbd_t;
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#endif
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/* rx bd status/control bits */
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#define BD_SC_EMPTY ((ushort)0x8000) /* Recieve is empty */
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#define BD_SC_WRAP ((ushort)0x2000) /* Last buffer descriptor in table */
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#define BD_SC_INTRPT ((ushort)0x1000) /* Interrupt on change */
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#define BD_SC_LAST ((ushort)0x0800) /* Last buffer in frame OR control char */
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#define BD_SC_FIRST ((ushort)0x0400) /* 1st buffer in an HDLC frame */
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#define BD_SC_ADDR ((ushort)0x0400) /* 1st byte is a multidrop address */
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#define BD_SC_CM ((ushort)0x0200) /* Continous mode */
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#define BD_SC_ID ((ushort)0x0100) /* Received too many idles */
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#define BD_SC_AM ((ushort)0x0080) /* Multidrop address match */
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#define BD_SC_DE ((ushort)0x0080) /* DPLL Error (HDLC) */
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#define BD_SC_BR ((ushort)0x0020) /* Break received */
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#define BD_SC_LG ((ushort)0x0020) /* Frame length violation (HDLC) */
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#define BD_SC_FR ((ushort)0x0010) /* Framing error */
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#define BD_SC_NO ((ushort)0x0010) /* Nonoctet aligned frame (HDLC) */
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#define BD_SC_PR ((ushort)0x0008) /* Parity error */
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#define BD_SC_AB ((ushort)0x0008) /* Received abort Sequence (HDLC) */
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#define BD_SC_OV ((ushort)0x0002) /* Overrun */
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#define BD_SC_CD ((ushort)0x0001) /* Carrier Detect lost */
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/* tx bd status/control bits (as differ from rx bd) */
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#define BD_SC_READY ((ushort)0x8000) /* Transmit is ready */
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#define BD_SC_TC ((ushort)0x0400) /* Transmit CRC */
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#define BD_SC_P ((ushort)0x0100) /* xmt preamble */
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#define BD_SC_UN ((ushort)0x0002) /* Underrun */
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/* Parameter RAM offsets. */
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/* In 2.4 ppc, the PROFF_S?C? are used as byte offsets into DPRAM.
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* In 2.0, we use a more structured C struct map of DPRAM, and so
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* instead, we need only a parameter ram `slot' */
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#define PRSLOT_SCC1 0
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#define PRSLOT_SCC2 1
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#define PRSLOT_SCC3 2
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#define PRSLOT_SMC1 2
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#define PRSLOT_SCC4 3
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#define PRSLOT_SMC2 3
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/* #define PROFF_SCC1 ((uint)0x0000) */
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/* #define PROFF_SCC2 ((uint)0x0100) */
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/* #define PROFF_SCC3 ((uint)0x0200) */
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/* #define PROFF_SMC1 ((uint)0x0280) */
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/* #define PROFF_SCC4 ((uint)0x0300) */
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/* #define PROFF_SMC2 ((uint)0x0380) */
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/* Define enough so I can at least use the serial port as a UART.
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* The MBX uses SMC1 as the host serial port.
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*/
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typedef struct smc_uart {
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ushort smc_rbase; /* Rx Buffer descriptor base address */
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ushort smc_tbase; /* Tx Buffer descriptor base address */
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u_char smc_rfcr; /* Rx function code */
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u_char smc_tfcr; /* Tx function code */
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ushort smc_mrblr; /* Max receive buffer length */
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uint smc_rstate; /* Internal */
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uint smc_idp; /* Internal */
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ushort smc_rbptr; /* Internal */
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ushort smc_ibc; /* Internal */
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uint smc_rxtmp; /* Internal */
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uint smc_tstate; /* Internal */
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uint smc_tdp; /* Internal */
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ushort smc_tbptr; /* Internal */
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ushort smc_tbc; /* Internal */
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uint smc_txtmp; /* Internal */
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ushort smc_maxidl; /* Maximum idle characters */
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ushort smc_tmpidl; /* Temporary idle counter */
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ushort smc_brklen; /* Last received break length */
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ushort smc_brkec; /* rcv'd break condition counter */
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ushort smc_brkcr; /* xmt break count register */
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ushort smc_rmask; /* Temporary bit mask */
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} smc_uart_t;
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/* Function code bits.
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*/
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#define SMC_EB ((u_char)0x10) /* Set big endian byte order */
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/* SMC uart mode register.
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*/
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#define SMCMR_REN ((ushort)0x0001)
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#define SMCMR_TEN ((ushort)0x0002)
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#define SMCMR_DM ((ushort)0x000c)
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#define SMCMR_SM_GCI ((ushort)0x0000)
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#define SMCMR_SM_UART ((ushort)0x0020)
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#define SMCMR_SM_TRANS ((ushort)0x0030)
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#define SMCMR_SM_MASK ((ushort)0x0030)
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#define SMCMR_PM_EVEN ((ushort)0x0100) /* Even parity, else odd */
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#define SMCMR_REVD SMCMR_PM_EVEN
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#define SMCMR_PEN ((ushort)0x0200) /* Parity enable */
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#define SMCMR_BS SMCMR_PEN
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#define SMCMR_SL ((ushort)0x0400) /* Two stops, else one */
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#define SMCR_CLEN_MASK ((ushort)0x7800) /* Character length */
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#define smcr_mk_clen(C) (((C) << 11) & SMCR_CLEN_MASK)
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/* SMC2 as Centronics parallel printer. It is half duplex, in that
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* it can only receive or transmit. The parameter ram values for
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* each direction are either unique or properly overlap, so we can
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* include them in one structure.
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*/
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typedef struct smc_centronics {
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ushort scent_rbase;
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ushort scent_tbase;
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u_char scent_cfcr;
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u_char scent_smask;
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ushort scent_mrblr;
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uint scent_rstate;
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uint scent_r_ptr;
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ushort scent_rbptr;
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ushort scent_r_cnt;
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uint scent_rtemp;
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uint scent_tstate;
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uint scent_t_ptr;
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ushort scent_tbptr;
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ushort scent_t_cnt;
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uint scent_ttemp;
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ushort scent_max_sl;
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ushort scent_sl_cnt;
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ushort scent_character1;
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ushort scent_character2;
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ushort scent_character3;
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ushort scent_character4;
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ushort scent_character5;
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ushort scent_character6;
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ushort scent_character7;
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ushort scent_character8;
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ushort scent_rccm;
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ushort scent_rccr;
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} smc_cent_t;
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/* Centronics Status Mask Register.
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*/
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#define SMC_CENT_F ((u_char)0x08)
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#define SMC_CENT_PE ((u_char)0x04)
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#define SMC_CENT_S ((u_char)0x02)
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/* SMC Event and Mask register.
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*/
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#define SMCM_BRKE ((unsigned char)0x40) /* When in UART Mode */
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#define SMCM_BRK ((unsigned char)0x10) /* When in UART Mode */
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#define SMCM_TXE ((unsigned char)0x10) /* When in Transparent Mode */
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#define SMCM_BSY ((unsigned char)0x04)
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#define SMCM_TX ((unsigned char)0x02)
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#define SMCM_RX ((unsigned char)0x01)
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/* Baud rate generators.
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*/
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#define CPM_BRG_RST ((uint)0x00020000)
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#define CPM_BRG_EN ((uint)0x00010000)
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#define CPM_BRG_EXTC_INT ((uint)0x00000000)
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#define CPM_BRG_EXTC_CLK2 ((uint)0x00004000)
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#define CPM_BRG_EXTC_CLK6 ((uint)0x00008000)
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#define CPM_BRG_ATB ((uint)0x00002000)
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#define CPM_BRG_CD_MASK ((uint)0x00001ffe)
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#define CPM_BRG_DIV16 ((uint)0x00000001)
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/* SCCs.
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*/
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#define SCC_GSMRH_IRP ((uint)0x00040000)
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#define SCC_GSMRH_GDE ((uint)0x00010000)
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#define SCC_GSMRH_TCRC_CCITT ((uint)0x00008000)
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#define SCC_GSMRH_TCRC_BISYNC ((uint)0x00004000)
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#define SCC_GSMRH_TCRC_HDLC ((uint)0x00000000)
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#define SCC_GSMRH_REVD ((uint)0x00002000)
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#define SCC_GSMRH_TRX ((uint)0x00001000)
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#define SCC_GSMRH_TTX ((uint)0x00000800)
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#define SCC_GSMRH_CDP ((uint)0x00000400)
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#define SCC_GSMRH_CTSP ((uint)0x00000200)
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#define SCC_GSMRH_CDS ((uint)0x00000100)
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#define SCC_GSMRH_CTSS ((uint)0x00000080)
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#define SCC_GSMRH_TFL ((uint)0x00000040)
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#define SCC_GSMRH_RFW ((uint)0x00000020)
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#define SCC_GSMRH_TXSY ((uint)0x00000010)
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#define SCC_GSMRH_SYNL16 ((uint)0x0000000c)
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#define SCC_GSMRH_SYNL8 ((uint)0x00000008)
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#define SCC_GSMRH_SYNL4 ((uint)0x00000004)
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#define SCC_GSMRH_RTSM ((uint)0x00000002)
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#define SCC_GSMRH_RSYN ((uint)0x00000001)
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#define SCC_GSMRL_SIR ((uint)0x80000000) /* SCC2 only */
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#define SCC_GSMRL_EDGE_NONE ((uint)0x60000000)
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#define SCC_GSMRL_EDGE_NEG ((uint)0x40000000)
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#define SCC_GSMRL_EDGE_POS ((uint)0x20000000)
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#define SCC_GSMRL_EDGE_BOTH ((uint)0x00000000)
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#define SCC_GSMRL_TCI ((uint)0x10000000)
|
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#define SCC_GSMRL_TSNC_3 ((uint)0x0c000000)
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#define SCC_GSMRL_TSNC_4 ((uint)0x08000000)
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#define SCC_GSMRL_TSNC_14 ((uint)0x04000000)
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#define SCC_GSMRL_TSNC_INF ((uint)0x00000000)
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#define SCC_GSMRL_RINV ((uint)0x02000000)
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#define SCC_GSMRL_TINV ((uint)0x01000000)
|
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#define SCC_GSMRL_TPL_128 ((uint)0x00c00000)
|
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#define SCC_GSMRL_TPL_64 ((uint)0x00a00000)
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#define SCC_GSMRL_TPL_48 ((uint)0x00800000)
|
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#define SCC_GSMRL_TPL_32 ((uint)0x00600000)
|
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#define SCC_GSMRL_TPL_16 ((uint)0x00400000)
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#define SCC_GSMRL_TPL_8 ((uint)0x00200000)
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#define SCC_GSMRL_TPL_NONE ((uint)0x00000000)
|
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#define SCC_GSMRL_TPP_ALL1 ((uint)0x00180000)
|
||
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#define SCC_GSMRL_TPP_01 ((uint)0x00100000)
|
||
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#define SCC_GSMRL_TPP_10 ((uint)0x00080000)
|
||
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#define SCC_GSMRL_TPP_ZEROS ((uint)0x00000000)
|
||
|
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#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_FC_DMA ((u_char)0x08) /* Set SDMA */
|
||
|
|
|
||
|
|
/* 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;
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#if defined (CONFIG_UCQUICC)
|
||
|
|
/* uCquicc has the following signals connected to Ethernet:
|
||
|
|
* 68360 - lxt905
|
||
|
|
* PA0/RXD1 - rxd
|
||
|
|
* PA1/TXD1 - txd
|
||
|
|
* PA8/CLK1 - tclk
|
||
|
|
* PA9/CLK2 - rclk
|
||
|
|
* PC0/!RTS1 - t_en
|
||
|
|
* PC1/!CTS1 - col
|
||
|
|
* PC5/!CD1 - cd
|
||
|
|
*/
|
||
|
|
#define PA_ENET_RXD PA_RXD1
|
||
|
|
#define PA_ENET_TXD PA_TXD1
|
||
|
|
#define PA_ENET_TCLK PA_CLK1
|
||
|
|
#define PA_ENET_RCLK PA_CLK2
|
||
|
|
#define PC_ENET_TENA PC_RTS1
|
||
|
|
#define PC_ENET_CLSN PC_CTS1
|
||
|
|
#define PC_ENET_RENA PC_CD1
|
||
|
|
|
||
|
|
/* Control bits in the SICR to route TCLK (CLK1) and RCLK (CLK2) to
|
||
|
|
* SCC1.
|
||
|
|
*/
|
||
|
|
#define SICR_ENET_MASK ((uint)0x000000ff)
|
||
|
|
#define SICR_ENET_CLKRT ((uint)0x0000002c)
|
||
|
|
|
||
|
|
#endif /* config_ucquicc */
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef MBX
|
||
|
|
/* Bits in parallel I/O port registers that have to be set/cleared
|
||
|
|
* to configure the pins for SCC1 use. The TCLK and RCLK seem unique
|
||
|
|
* to the MBX860 board. Any two of the four available clocks could be
|
||
|
|
* used, and the MPC860 cookbook manual has an example using different
|
||
|
|
* clock pins.
|
||
|
|
*/
|
||
|
|
#define PA_ENET_RXD ((ushort)0x0001)
|
||
|
|
#define PA_ENET_TXD ((ushort)0x0002)
|
||
|
|
#define PA_ENET_TCLK ((ushort)0x0200)
|
||
|
|
#define PA_ENET_RCLK ((ushort)0x0800)
|
||
|
|
#define PC_ENET_TENA ((ushort)0x0001)
|
||
|
|
#define PC_ENET_CLSN ((ushort)0x0010)
|
||
|
|
#define PC_ENET_RENA ((ushort)0x0020)
|
||
|
|
|
||
|
|
/* Control bits in the SICR to route TCLK (CLK2) and RCLK (CLK4) to
|
||
|
|
* SCC1. Also, make sure GR1 (bit 24) and SC1 (bit 25) are zero.
|
||
|
|
*/
|
||
|
|
#define SICR_ENET_MASK ((uint)0x000000ff)
|
||
|
|
#define SICR_ENET_CLKRT ((uint)0x0000003d)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef CONFIG_RPXLITE
|
||
|
|
/* This ENET stuff is for the MPC850 with ethernet on SCC2. Some of
|
||
|
|
* this may be unique to the RPX-Lite configuration.
|
||
|
|
* Note TENA is on Port B.
|
||
|
|
*/
|
||
|
|
#define PA_ENET_RXD ((ushort)0x0004)
|
||
|
|
#define PA_ENET_TXD ((ushort)0x0008)
|
||
|
|
#define PA_ENET_TCLK ((ushort)0x0200)
|
||
|
|
#define PA_ENET_RCLK ((ushort)0x0800)
|
||
|
|
#define PB_ENET_TENA ((uint)0x00002000)
|
||
|
|
#define PC_ENET_CLSN ((ushort)0x0040)
|
||
|
|
#define PC_ENET_RENA ((ushort)0x0080)
|
||
|
|
|
||
|
|
#define SICR_ENET_MASK ((uint)0x0000ff00)
|
||
|
|
#define SICR_ENET_CLKRT ((uint)0x00003d00)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef CONFIG_BSEIP
|
||
|
|
/* This ENET stuff is for the MPC823 with ethernet on SCC2.
|
||
|
|
* This is unique to the BSE ip-Engine board.
|
||
|
|
*/
|
||
|
|
#define PA_ENET_RXD ((ushort)0x0004)
|
||
|
|
#define PA_ENET_TXD ((ushort)0x0008)
|
||
|
|
#define PA_ENET_TCLK ((ushort)0x0100)
|
||
|
|
#define PA_ENET_RCLK ((ushort)0x0200)
|
||
|
|
#define PB_ENET_TENA ((uint)0x00002000)
|
||
|
|
#define PC_ENET_CLSN ((ushort)0x0040)
|
||
|
|
#define PC_ENET_RENA ((ushort)0x0080)
|
||
|
|
|
||
|
|
/* BSE uses port B and C bits for PHY control also.
|
||
|
|
*/
|
||
|
|
#define PB_BSE_POWERUP ((uint)0x00000004)
|
||
|
|
#define PB_BSE_FDXDIS ((uint)0x00008000)
|
||
|
|
#define PC_BSE_LOOPBACK ((ushort)0x0800)
|
||
|
|
|
||
|
|
#define SICR_ENET_MASK ((uint)0x0000ff00)
|
||
|
|
#define SICR_ENET_CLKRT ((uint)0x00002c00)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef CONFIG_RPXCLASSIC
|
||
|
|
/* Bits in parallel I/O port registers that have to be set/cleared
|
||
|
|
* to configure the pins for SCC1 use.
|
||
|
|
*/
|
||
|
|
#define PA_ENET_RXD ((ushort)0x0001)
|
||
|
|
#define PA_ENET_TXD ((ushort)0x0002)
|
||
|
|
#define PA_ENET_TCLK ((ushort)0x0200)
|
||
|
|
#define PA_ENET_RCLK ((ushort)0x0800)
|
||
|
|
#define PB_ENET_TENA ((uint)0x00001000)
|
||
|
|
#define PC_ENET_CLSN ((ushort)0x0010)
|
||
|
|
#define PC_ENET_RENA ((ushort)0x0020)
|
||
|
|
|
||
|
|
/* Control bits in the SICR to route TCLK (CLK2) and RCLK (CLK4) to
|
||
|
|
* SCC1. Also, make sure GR1 (bit 24) and SC1 (bit 25) are zero.
|
||
|
|
*/
|
||
|
|
#define SICR_ENET_MASK ((uint)0x000000ff)
|
||
|
|
#define SICR_ENET_CLKRT ((uint)0x0000003d)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* 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 (PMSR) as used by Ethernet.
|
||
|
|
*/
|
||
|
|
#define SCC_PMSR_HBC ((ushort)0x8000) /* Enable heartbeat */
|
||
|
|
#define SCC_PMSR_FC ((ushort)0x4000) /* Force collision */
|
||
|
|
#define SCC_PMSR_RSH ((ushort)0x2000) /* Receive short frames */
|
||
|
|
#define SCC_PMSR_IAM ((ushort)0x1000) /* Check individual hash */
|
||
|
|
#define SCC_PMSR_ENCRC ((ushort)0x0800) /* Ethernet CRC mode */
|
||
|
|
#define SCC_PMSR_PRO ((ushort)0x0200) /* Promiscuous mode */
|
||
|
|
#define SCC_PMSR_BRO ((ushort)0x0100) /* Catch broadcast pkts */
|
||
|
|
#define SCC_PMSR_SBT ((ushort)0x0080) /* Special backoff timer */
|
||
|
|
#define SCC_PMSR_LPB ((ushort)0x0040) /* Set Loopback mode */
|
||
|
|
#define SCC_PMSR_SIP ((ushort)0x0020) /* Sample Input Pins */
|
||
|
|
#define SCC_PMSR_LCW ((ushort)0x0010) /* Late collision window */
|
||
|
|
#define SCC_PMSR_NIB22 ((ushort)0x000a) /* Start frame search */
|
||
|
|
#define SCC_PMSR_FDE ((ushort)0x0001) /* Full duplex enable */
|
||
|
|
|
||
|
|
/* Buffer descriptor control/status used by Ethernet receive.
|
||
|
|
*/
|
||
|
|
#define BD_ENET_RX_EMPTY ((ushort)0x8000)
|
||
|
|
#define BD_ENET_RX_WRAP ((ushort)0x2000)
|
||
|
|
#define BD_ENET_RX_INTR ((ushort)0x1000)
|
||
|
|
#define BD_ENET_RX_LAST ((ushort)0x0800)
|
||
|
|
#define BD_ENET_RX_FIRST ((ushort)0x0400)
|
||
|
|
#define BD_ENET_RX_MISS ((ushort)0x0100)
|
||
|
|
#define BD_ENET_RX_LG ((ushort)0x0020)
|
||
|
|
#define BD_ENET_RX_NO ((ushort)0x0010)
|
||
|
|
#define BD_ENET_RX_SH ((ushort)0x0008)
|
||
|
|
#define BD_ENET_RX_CR ((ushort)0x0004)
|
||
|
|
#define BD_ENET_RX_OV ((ushort)0x0002)
|
||
|
|
#define BD_ENET_RX_CL ((ushort)0x0001)
|
||
|
|
#define BD_ENET_RX_STATS ((ushort)0x013f) /* All status bits */
|
||
|
|
|
||
|
|
/* Buffer descriptor control/status used by Ethernet transmit.
|
||
|
|
*/
|
||
|
|
#define BD_ENET_TX_READY ((ushort)0x8000)
|
||
|
|
#define BD_ENET_TX_PAD ((ushort)0x4000)
|
||
|
|
#define BD_ENET_TX_WRAP ((ushort)0x2000)
|
||
|
|
#define BD_ENET_TX_INTR ((ushort)0x1000)
|
||
|
|
#define BD_ENET_TX_LAST ((ushort)0x0800)
|
||
|
|
#define BD_ENET_TX_TC ((ushort)0x0400)
|
||
|
|
#define BD_ENET_TX_DEF ((ushort)0x0200)
|
||
|
|
#define BD_ENET_TX_HB ((ushort)0x0100)
|
||
|
|
#define BD_ENET_TX_LC ((ushort)0x0080)
|
||
|
|
#define BD_ENET_TX_RL ((ushort)0x0040)
|
||
|
|
#define BD_ENET_TX_RCMASK ((ushort)0x003c)
|
||
|
|
#define BD_ENET_TX_UN ((ushort)0x0002)
|
||
|
|
#define BD_ENET_TX_CSL ((ushort)0x0001)
|
||
|
|
#define BD_ENET_TX_STATS ((ushort)0x03ff) /* All status bits */
|
||
|
|
|
||
|
|
/* 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 PMSR when used as a UART.
|
||
|
|
*/
|
||
|
|
#define SCU_PMSR_FLC ((ushort)0x8000)
|
||
|
|
#define SCU_PMSR_SL ((ushort)0x4000)
|
||
|
|
#define SCU_PMSR_CL ((ushort)0x3000)
|
||
|
|
#define SCU_PMSR_UM ((ushort)0x0c00)
|
||
|
|
#define SCU_PMSR_FRZ ((ushort)0x0200)
|
||
|
|
#define SCU_PMSR_RZS ((ushort)0x0100)
|
||
|
|
#define SCU_PMSR_SYN ((ushort)0x0080)
|
||
|
|
#define SCU_PMSR_DRT ((ushort)0x0040)
|
||
|
|
#define SCU_PMSR_PEN ((ushort)0x0010)
|
||
|
|
#define SCU_PMSR_RPM ((ushort)0x000c)
|
||
|
|
#define SCU_PMSR_REVP ((ushort)0x0008)
|
||
|
|
#define SCU_PMSR_TPM ((ushort)0x0003)
|
||
|
|
#define SCU_PMSR_TEVP ((ushort)0x0003)
|
||
|
|
|
||
|
|
/* 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;
|
||
|
|
|
||
|
|
#define BD_SCC_TX_LAST ((ushort)0x0800)
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/* CPM interrupts. There are nearly 32 interrupts generated by CPM
|
||
|
|
* channels or devices. All of these are presented to the PPC core
|
||
|
|
* as a single interrupt. The CPM interrupt handler dispatches its
|
||
|
|
* own handlers, in a similar fashion to the PPC core handler. We
|
||
|
|
* use the table as defined in the manuals (i.e. no special high
|
||
|
|
* priority and SCC1 == SCCa, etc...).
|
||
|
|
*/
|
||
|
|
/* #define CPMVEC_NR 32 */
|
||
|
|
/* #define CPMVEC_PIO_PC15 ((ushort)0x1f) */
|
||
|
|
/* #define CPMVEC_SCC1 ((ushort)0x1e) */
|
||
|
|
/* #define CPMVEC_SCC2 ((ushort)0x1d) */
|
||
|
|
/* #define CPMVEC_SCC3 ((ushort)0x1c) */
|
||
|
|
/* #define CPMVEC_SCC4 ((ushort)0x1b) */
|
||
|
|
/* #define CPMVEC_PIO_PC14 ((ushort)0x1a) */
|
||
|
|
/* #define CPMVEC_TIMER1 ((ushort)0x19) */
|
||
|
|
/* #define CPMVEC_PIO_PC13 ((ushort)0x18) */
|
||
|
|
/* #define CPMVEC_PIO_PC12 ((ushort)0x17) */
|
||
|
|
/* #define CPMVEC_SDMA_CB_ERR ((ushort)0x16) */
|
||
|
|
/* #define CPMVEC_IDMA1 ((ushort)0x15) */
|
||
|
|
/* #define CPMVEC_IDMA2 ((ushort)0x14) */
|
||
|
|
/* #define CPMVEC_TIMER2 ((ushort)0x12) */
|
||
|
|
/* #define CPMVEC_RISCTIMER ((ushort)0x11) */
|
||
|
|
/* #define CPMVEC_I2C ((ushort)0x10) */
|
||
|
|
/* #define CPMVEC_PIO_PC11 ((ushort)0x0f) */
|
||
|
|
/* #define CPMVEC_PIO_PC10 ((ushort)0x0e) */
|
||
|
|
/* #define CPMVEC_TIMER3 ((ushort)0x0c) */
|
||
|
|
/* #define CPMVEC_PIO_PC9 ((ushort)0x0b) */
|
||
|
|
/* #define CPMVEC_PIO_PC8 ((ushort)0x0a) */
|
||
|
|
/* #define CPMVEC_PIO_PC7 ((ushort)0x09) */
|
||
|
|
/* #define CPMVEC_TIMER4 ((ushort)0x07) */
|
||
|
|
/* #define CPMVEC_PIO_PC6 ((ushort)0x06) */
|
||
|
|
/* #define CPMVEC_SPI ((ushort)0x05) */
|
||
|
|
/* #define CPMVEC_SMC1 ((ushort)0x04) */
|
||
|
|
/* #define CPMVEC_SMC2 ((ushort)0x03) */
|
||
|
|
/* #define CPMVEC_PIO_PC5 ((ushort)0x02) */
|
||
|
|
/* #define CPMVEC_PIO_PC4 ((ushort)0x01) */
|
||
|
|
/* #define CPMVEC_ERROR ((ushort)0x00) */
|
||
|
|
|
||
|
|
extern void cpm_install_handler(int vec, void (*handler)(void *), void *dev_id);
|
||
|
|
|
||
|
|
/* CPM interrupt configuration vector.
|
||
|
|
*/
|
||
|
|
#define CICR_SCD_SCC4 ((uint)0x00c00000) /* SCC4 @ SCCd */
|
||
|
|
#define CICR_SCC_SCC3 ((uint)0x00200000) /* SCC3 @ SCCc */
|
||
|
|
#define CICR_SCB_SCC2 ((uint)0x00040000) /* SCC2 @ SCCb */
|
||
|
|
#define CICR_SCA_SCC1 ((uint)0x00000000) /* SCC1 @ SCCa */
|
||
|
|
#define CICR_IRL_MASK ((uint)0x0000e000) /* Core interrrupt */
|
||
|
|
#define CICR_HP_MASK ((uint)0x00001f00) /* Hi-pri int. */
|
||
|
|
#define CICR_IEN ((uint)0x00000080) /* Int. enable */
|
||
|
|
#define CICR_SPS ((uint)0x00000001) /* SCC Spread */
|
||
|
|
#endif /* __CPM_360__ */
|