| |
| /* |
| * MPC8260 Communication Processor Module. |
| * Copyright (c) 1999 Dan Malek (dmalek@jlc.net) |
| * |
| * 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 MPC8260 internal |
| * memory map. See immap.h for details. |
| */ |
| #ifndef __CPM_82XX__ |
| #define __CPM_82XX__ |
| |
| #include <asm/immap_8260.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_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) |
| |
| /* Some opcodes (there are more...later) |
| */ |
| #define CPM_CR_INIT_TRX ((ushort)0x0000) |
| #define CPM_CR_INIT_RX ((ushort)0x0001) |
| #define CPM_CR_INIT_TX ((ushort)0x0002) |
| #define CPM_CR_HUNT_MODE ((ushort)0x0003) |
| #define CPM_CR_STOP_TX ((ushort)0x0004) |
| #define CPM_CR_RESTART_TX ((ushort)0x0006) |
| #define CPM_CR_SET_GADDR ((ushort)0x0008) |
| |
| #define mk_cr_cmd(PG, SBC, MCN, OP) \ |
| ((PG << 26) | (SBC << 21) | (MCN << 6) | OP) |
| |
| /* Dual Port RAM addresses. The first 16K is available for almost |
| * any CPM use, so we put the BDs there. The first 128 bytes are |
| * used for SMC1 and SMC2 parameter RAM, so we start allocating |
| * BDs above that. All of this must change when we start |
| * downloading RAM microcode. |
| */ |
| #define CPM_DATAONLY_BASE ((uint)128) |
| #define CPM_DP_NOSPACE ((uint)0x7fffffff) |
| #ifndef CONFIG_MPC8272_FAMILY |
| #define CPM_DATAONLY_SIZE ((uint)(8 * 1024) - CPM_DATAONLY_BASE) |
| #define CPM_FCC_SPECIAL_BASE ((uint)0x0000b000) |
| #else /* 8247/48/71/72 */ |
| #define CPM_DATAONLY_SIZE ((uint)(4 * 1024) - CPM_DATAONLY_BASE) |
| #define CPM_FCC_SPECIAL_BASE ((uint)0x00009000) |
| #endif /* !CONFIG_MPC8272_FAMILY */ |
| |
| /* 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 cpm8260_t *cpmp; /* Pointer to comm processor */ |
| uint m8260_cpm_dpalloc(uint size, uint align); |
| uint m8260_cpm_hostalloc(uint size, uint align); |
| void m8260_cpm_setbrg(uint brg, uint rate); |
| void m8260_cpm_fastbrg(uint brg, uint rate, int div16); |
| void m8260_cpm_extcbrg(uint brg, uint rate, uint extclk, int pinsel); |
| |
| /* Buffer descriptors used by many of the CPM protocols. |
| */ |
| typedef struct cpm_buf_desc { |
| ushort cbd_sc; /* Status and Control */ |
| ushort cbd_datlen; /* Data length in buffer */ |
| uint cbd_bufaddr; /* Buffer address in host memory */ |
| } cbd_t; |
| |
| #define BD_SC_EMPTY ((ushort)0x8000) /* Recieve is empty */ |
| #define BD_SC_READY ((ushort)0x8000) /* Transmit is ready */ |
| #define BD_SC_WRAP ((ushort)0x2000) /* Last buffer descriptor */ |
| #define BD_SC_INTRPT ((ushort)0x1000) /* Interrupt on change */ |
| #define BD_SC_LAST ((ushort)0x0800) /* Last buffer in frame */ |
| #define BD_SC_CM ((ushort)0x0200) /* Continous mode */ |
| #define BD_SC_ID ((ushort)0x0100) /* Rec'd too many idles */ |
| #define BD_SC_P ((ushort)0x0100) /* xmt preamble */ |
| #define BD_SC_BR ((ushort)0x0020) /* Break received */ |
| #define BD_SC_FR ((ushort)0x0010) /* Framing error */ |
| #define BD_SC_PR ((ushort)0x0008) /* Parity error */ |
| #define BD_SC_OV ((ushort)0x0002) /* Overrun */ |
| #define BD_SC_CD ((ushort)0x0001) /* ?? */ |
| |
| /* Function code bits, usually generic to devices. |
| */ |
| #define CPMFCR_GBL ((u_char)0x20) /* Set memory snooping */ |
| #define CPMFCR_EB ((u_char)0x10) /* Set big endian byte order */ |
| #define CPMFCR_TC2 ((u_char)0x04) /* Transfer code 2 value */ |
| #define CPMFCR_DTB ((u_char)0x02) /* Use local bus for data when set */ |
| #define CPMFCR_BDB ((u_char)0x01) /* Use local bus for BD when set */ |
| |
| /* Parameter RAM offsets from the base. |
| */ |
| #ifndef CONFIG_SYS_CPM_POST_WORD_ADDR |
| #define CPM_POST_WORD_ADDR 0x80FC /* steal a long at the end of SCC1 */ |
| #else |
| #define CPM_POST_WORD_ADDR CONFIG_SYS_CPM_POST_WORD_ADDR |
| #endif |
| |
| #ifndef CONFIG_SYS_CPM_BOOTCOUNT_ADDR |
| #define CPM_BOOTCOUNT_ADDR (CPM_POST_WORD_ADDR - 2*sizeof(ulong)) |
| #else |
| #define CPM_BOOTCOUNT_ADDR CONFIG_SYS_CPM_BOOTCOUNT_ADDR |
| #endif |
| |
| #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) |
| |
| /* 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 PROFF_SPI ((16*1024) - 128) |
| |
| /* 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_TXE ((unsigned char)0x10) |
| #define SMCM_BSY ((unsigned char)0x04) |
| #define SMCM_TX ((unsigned char)0x02) |
| #define SMCM_RX ((unsigned char)0x01) |
| |
| /* 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) |
| |
| /* 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; |
| |
| /* 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 */ |
| |
| /* Buffer descriptor control/status used by Ethernet receive. |
| * Common to SCC and FCC. |
| */ |
| #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_BC ((ushort)0x0080) /* FCC Only */ |
| #define BD_ENET_RX_MC ((ushort)0x0040) /* FCC Only */ |
| #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)0x01ff) /* All status bits */ |
| |
| /* Buffer descriptor control/status used by Ethernet transmit. |
| * Common to SCC and FCC. |
| */ |
| #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 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)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) |
| |
| /* SCC as HDLC controller - taken from commproc.h |
| */ |
| typedef struct scc_hdlc { |
| sccp_t sh_genscc; |
| /* |
| * HDLC specific parameter RAM |
| */ |
| uchar res[4]; /* reserved */ |
| ulong sh_cmask; /* CRC constant */ |
| ulong sh_cpres; /* CRC preset */ |
| ushort sh_disfc; /* discarded frame counter */ |
| ushort sh_crcec; /* CRC error counter */ |
| ushort sh_abtsc; /* abort sequence counter */ |
| ushort sh_nmarc; /* nonmatching address rx cnt */ |
| ushort sh_retrc; /* frame retransmission cnt */ |
| ushort sh_mflr; /* maximum frame length reg */ |
| ushort sh_maxcnt; /* maximum length counter */ |
| ushort sh_rfthr; /* received frames threshold */ |
| ushort sh_rfcnt; /* received frames count */ |
| ushort sh_hmask; /* user defined frm addr mask */ |
| ushort sh_haddr1; /* user defined frm address 1 */ |
| ushort sh_haddr2; /* user defined frm address 2 */ |
| ushort sh_haddr3; /* user defined frm address 3 */ |
| ushort sh_haddr4; /* user defined frm address 4 */ |
| ushort tmp; /* temp */ |
| ushort tmp_mb; /* temp */ |
| } scc_hdlc_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_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_idbstart; /* 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 poiner */ |
| 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_RMII ((uint)0x00020000) /* Use RMII interface */ |
| #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; |
| |
| /* SPI parameter RAM. |
| */ |
| typedef struct spi { |
| ushort spi_rbase; /* Rx Buffer descriptor base address */ |
| ushort spi_tbase; /* Tx Buffer descriptor base address */ |
| u_char spi_rfcr; /* Rx function code */ |
| u_char spi_tfcr; /* Tx function code */ |
| ushort spi_mrblr; /* Max receive buffer length */ |
| uint spi_rstate; /* Internal */ |
| uint spi_rdp; /* Internal */ |
| ushort spi_rbptr; /* Internal */ |
| ushort spi_rbc; /* Internal */ |
| uint spi_rxtmp; /* Internal */ |
| uint spi_tstate; /* Internal */ |
| uint spi_tdp; /* Internal */ |
| ushort spi_tbptr; /* Internal */ |
| ushort spi_tbc; /* Internal */ |
| uint spi_txtmp; /* Internal */ |
| uint spi_res; /* Tx temp. */ |
| uint spi_res1[4]; /* SDMA temp. */ |
| } spi_t; |
| |
| /* SPI Mode register. |
| */ |
| #define SPMODE_LOOP ((ushort)0x4000) /* Loopback */ |
| #define SPMODE_CI ((ushort)0x2000) /* Clock Invert */ |
| #define SPMODE_CP ((ushort)0x1000) /* Clock Phase */ |
| #define SPMODE_DIV16 ((ushort)0x0800) /* BRG/16 mode */ |
| #define SPMODE_REV ((ushort)0x0400) /* Reversed Data */ |
| #define SPMODE_MSTR ((ushort)0x0200) /* SPI Master */ |
| #define SPMODE_EN ((ushort)0x0100) /* Enable */ |
| #define SPMODE_LENMSK ((ushort)0x00f0) /* character length */ |
| #define SPMODE_PMMSK ((ushort)0x000f) /* prescale modulus */ |
| |
| #define SPMODE_LEN(x) ((((x)-1)&0xF)<<4) |
| #define SPMODE_PM(x) ((x) &0xF) |
| |
| /* SPI Event/Mask register. |
| */ |
| #define SPI_EMASK 0x37 /* Event Mask */ |
| #define SPI_MME 0x20 /* Multi-Master Error */ |
| #define SPI_TXE 0x10 /* Transmit Error */ |
| #define SPI_BSY 0x04 /* Busy */ |
| #define SPI_TXB 0x02 /* Tx Buffer Empty */ |
| #define SPI_RXB 0x01 /* RX Buffer full/closed */ |
| |
| #define SPI_STR 0x80 /* SPCOM: Start transmit */ |
| |
| #define SPI_EB ((u_char)0x10) /* big endian byte order */ |
| |
| #define BD_IIC_START ((ushort)0x0400) |
| |
| #endif /* __CPM_82XX__ */ |
