| /* |
| * MPC8xx Communication Processor Module. |
| * Copyright (c) 1997 Dan Malek (dmalek@jlc.net) |
| * |
| * This file contains structures and information for the communication |
| * processor channels. Some CPM control and status is available |
| * throught the MPC8xx internal memory map. See immap.h for details. |
| * This file only contains what I need for the moment, not the total |
| * CPM capabilities. I (or someone else) will add definitions as they |
| * are needed. -- Dan |
| * |
| * On the MBX board, EPPC-Bug loads CPM microcode into the first 512 |
| * bytes of the DP RAM and relocates the I2C parameter area to the |
| * IDMA1 space. The remaining DP RAM is available for buffer descriptors |
| * or other use. |
| */ |
| #ifndef __CPM_8XX__ |
| #define __CPM_8XX__ |
| |
| #include <asm/8xx_immap.h> |
| #include <asm/ptrace.h> |
| #include <asm/cpm.h> |
| |
| /* CPM Command register. |
| */ |
| #define CPM_CR_RST ((ushort)0x8000) |
| #define CPM_CR_OPCODE ((ushort)0x0f00) |
| #define CPM_CR_CHAN ((ushort)0x00f0) |
| #define CPM_CR_FLG ((ushort)0x0001) |
| |
| /* Some commands (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_GRA_STOP_TX ((ushort)0x0005) |
| #define CPM_CR_RESTART_TX ((ushort)0x0006) |
| #define CPM_CR_CLOSE_RX_BD ((ushort)0x0007) |
| #define CPM_CR_SET_GADDR ((ushort)0x0008) |
| #define CPM_CR_SET_TIMER CPM_CR_SET_GADDR |
| |
| /* Channel numbers. |
| */ |
| #define CPM_CR_CH_SCC1 ((ushort)0x0000) |
| #define CPM_CR_CH_I2C ((ushort)0x0001) /* I2C and IDMA1 */ |
| #define CPM_CR_CH_SCC2 ((ushort)0x0004) |
| #define CPM_CR_CH_SPI ((ushort)0x0005) /* SPI / IDMA2 / Timers */ |
| #define CPM_CR_CH_TIMER CPM_CR_CH_SPI |
| #define CPM_CR_CH_SCC3 ((ushort)0x0008) |
| #define CPM_CR_CH_SMC1 ((ushort)0x0009) /* SMC1 / DSP1 */ |
| #define CPM_CR_CH_SCC4 ((ushort)0x000c) |
| #define CPM_CR_CH_SMC2 ((ushort)0x000d) /* SMC2 / DSP2 */ |
| |
| #define mk_cr_cmd(CH, CMD) ((CMD << 8) | (CH << 4)) |
| |
| #ifndef CONFIG_PPC_CPM_NEW_BINDING |
| /* The dual ported RAM is multi-functional. Some areas can be (and are |
| * being) used for microcode. There is an area that can only be used |
| * as data ram for buffer descriptors, which is all we use right now. |
| * Currently the first 512 and last 256 bytes are used for microcode. |
| */ |
| #define CPM_DATAONLY_BASE ((uint)0x0800) |
| #define CPM_DATAONLY_SIZE ((uint)0x0700) |
| #define CPM_DP_NOSPACE ((uint)0x7fffffff) |
| #endif |
| |
| /* Export the base address of the communication processor registers |
| * and dual port ram. |
| */ |
| extern cpm8xx_t __iomem *cpmp; /* Pointer to comm processor */ |
| |
| #ifdef CONFIG_PPC_CPM_NEW_BINDING |
| #define cpm_dpalloc cpm_muram_alloc |
| #define cpm_dpfree cpm_muram_free |
| #define cpm_dpram_addr cpm_muram_addr |
| #define cpm_dpram_phys cpm_muram_dma |
| #else |
| extern unsigned long cpm_dpalloc(uint size, uint align); |
| extern int cpm_dpfree(unsigned long offset); |
| extern unsigned long cpm_dpalloc_fixed(unsigned long offset, uint size, uint align); |
| extern void cpm_dpdump(void); |
| extern void *cpm_dpram_addr(unsigned long offset); |
| extern uint cpm_dpram_phys(u8* addr); |
| #endif |
| |
| extern void cpm_setbrg(uint brg, uint rate); |
| |
| extern uint m8xx_cpm_hostalloc(uint size); |
| extern int m8xx_cpm_hostfree(uint start); |
| extern void m8xx_cpm_hostdump(void); |
| |
| extern void cpm_load_patch(volatile immap_t *immr); |
| |
| /* 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) /* Receive 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_TC ((ushort)0x0400) /* Transmit CRC */ |
| #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_NAK ((ushort)0x0004) /* NAK - did not respond */ |
| #define BD_SC_OV ((ushort)0x0002) /* Overrun */ |
| #define BD_SC_UN ((ushort)0x0002) /* Underrun */ |
| #define BD_SC_CD ((ushort)0x0001) /* ?? */ |
| #define BD_SC_CL ((ushort)0x0001) /* Collision */ |
| |
| /* Parameter RAM offsets. |
| */ |
| #define PROFF_SCC1 ((uint)0x0000) |
| #define PROFF_IIC ((uint)0x0080) |
| #define PROFF_SCC2 ((uint)0x0100) |
| #define PROFF_SPI ((uint)0x0180) |
| #define PROFF_SCC3 ((uint)0x0200) |
| #define PROFF_SMC1 ((uint)0x0280) |
| #define PROFF_SCC4 ((uint)0x0300) |
| #define PROFF_SMC2 ((uint)0x0380) |
| |
| /* Define enough so I can at least use the serial port as a UART. |
| * The MBX uses SMC1 as the host serial port. |
| */ |
| 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 */ |
| char res1[8]; /* Reserved */ |
| ushort smc_rpbase; /* Relocation pointer */ |
| } smc_uart_t; |
| |
| /* Function code bits. |
| */ |
| #define SMC_EB ((u_char)0x10) /* Set big endian byte order */ |
| |
| /* SMC uart mode register. |
| */ |
| #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) |
| |
| /* SMC2 as Centronics parallel printer. It is half duplex, in that |
| * it can only receive or transmit. The parameter ram values for |
| * each direction are either unique or properly overlap, so we can |
| * include them in one structure. |
| */ |
| typedef struct smc_centronics { |
| ushort scent_rbase; |
| ushort scent_tbase; |
| u_char scent_cfcr; |
| u_char scent_smask; |
| ushort scent_mrblr; |
| uint scent_rstate; |
| uint scent_r_ptr; |
| ushort scent_rbptr; |
| ushort scent_r_cnt; |
| uint scent_rtemp; |
| uint scent_tstate; |
| uint scent_t_ptr; |
| ushort scent_tbptr; |
| ushort scent_t_cnt; |
| uint scent_ttemp; |
| ushort scent_max_sl; |
| ushort scent_sl_cnt; |
| ushort scent_character1; |
| ushort scent_character2; |
| ushort scent_character3; |
| ushort scent_character4; |
| ushort scent_character5; |
| ushort scent_character6; |
| ushort scent_character7; |
| ushort scent_character8; |
| ushort scent_rccm; |
| ushort scent_rccr; |
| } smc_cent_t; |
| |
| /* Centronics Status Mask Register. |
| */ |
| #define SMC_CENT_F ((u_char)0x08) |
| #define SMC_CENT_PE ((u_char)0x04) |
| #define SMC_CENT_S ((u_char)0x02) |
| |
| /* 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) /* When in Transparent Mode */ |
| #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_CLK2 ((uint)0x00004000) |
| #define CPM_BRG_EXTC_CLK6 ((uint)0x00008000) |
| #define CPM_BRG_ATB ((uint)0x00002000) |
| #define CPM_BRG_CD_MASK ((uint)0x00001ffe) |
| #define CPM_BRG_DIV16 ((uint)0x00000001) |
| |
| /* SI Clock Route Register |
| */ |
| #define SICR_RCLK_SCC1_BRG1 ((uint)0x00000000) |
| #define SICR_TCLK_SCC1_BRG1 ((uint)0x00000000) |
| #define SICR_RCLK_SCC2_BRG2 ((uint)0x00000800) |
| #define SICR_TCLK_SCC2_BRG2 ((uint)0x00000100) |
| #define SICR_RCLK_SCC3_BRG3 ((uint)0x00100000) |
| #define SICR_TCLK_SCC3_BRG3 ((uint)0x00020000) |
| #define SICR_RCLK_SCC4_BRG4 ((uint)0x18000000) |
| #define SICR_TCLK_SCC4_BRG4 ((uint)0x03000000) |
| |
| /* 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_QMC ((uint)0x0000000a) |
| #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 */ |
| |
| /* CPM Ethernet through SCCx. |
| */ |
| 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 (PMSR) 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. |
| */ |
| #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_BC ((ushort)0x0080) /* DA is Broadcast */ |
| #define BD_ENET_RX_MC ((ushort)0x0040) /* DA is Multicast */ |
| #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; |
| char res1[8]; /* 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_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; |
| |
| #define BD_SCC_TX_LAST ((ushort)0x0800) |
| |
| /* 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 */ |
| char res1[4]; /* Reserved */ |
| ushort iic_rpbase; /* Relocation pointer */ |
| char res2[2]; /* Reserved */ |
| } iic_t; |
| |
| #define BD_IIC_START ((ushort)0x0400) |
| |
| /* 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; |
| ushort spi_rpbase; /* Relocation pointer */ |
| ushort spi_res2; |
| } 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_LEN4 ((ushort)0x0030) /* 4 bits per char */ |
| #define SPMODE_LEN8 ((ushort)0x0070) /* 8 bits per char */ |
| #define SPMODE_LEN16 ((ushort)0x00f0) /* 16 bits per char */ |
| #define SPMODE_PMMSK ((ushort)0x000f) /* prescale modulus */ |
| |
| /* SPIE fields */ |
| #define SPIE_MME 0x20 |
| #define SPIE_TXE 0x10 |
| #define SPIE_BSY 0x04 |
| #define SPIE_TXB 0x02 |
| #define SPIE_RXB 0x01 |
| |
| /* |
| * RISC Controller Configuration Register definitons |
| */ |
| #define RCCR_TIME 0x8000 /* RISC Timer Enable */ |
| #define RCCR_TIMEP(t) (((t) & 0x3F)<<8) /* RISC Timer Period */ |
| #define RCCR_TIME_MASK 0x00FF /* not RISC Timer related bits */ |
| |
| /* RISC Timer Parameter RAM offset */ |
| #define PROFF_RTMR ((uint)0x01B0) |
| |
| typedef struct risc_timer_pram { |
| unsigned short tm_base; /* RISC Timer Table Base Address */ |
| unsigned short tm_ptr; /* RISC Timer Table Pointer (internal) */ |
| unsigned short r_tmr; /* RISC Timer Mode Register */ |
| unsigned short r_tmv; /* RISC Timer Valid Register */ |
| unsigned long tm_cmd; /* RISC Timer Command Register */ |
| unsigned long tm_cnt; /* RISC Timer Internal Count */ |
| } rt_pram_t; |
| |
| /* Bits in RISC Timer Command Register */ |
| #define TM_CMD_VALID 0x80000000 /* Valid - Enables the timer */ |
| #define TM_CMD_RESTART 0x40000000 /* Restart - for automatic restart */ |
| #define TM_CMD_PWM 0x20000000 /* Run in Pulse Width Modulation Mode */ |
| #define TM_CMD_NUM(n) (((n)&0xF)<<16) /* Timer Number */ |
| #define TM_CMD_PERIOD(p) ((p)&0xFFFF) /* Timer Period */ |
| |
| /* 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) |
| |
| /* 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 */ |
| |
| extern void cpm_install_handler(int vec, void (*handler)(void *), void *dev_id); |
| extern void cpm_free_handler(int vec); |
| |
| #define IMAP_ADDR (get_immrbase()) |
| |
| #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 |
| |
| enum cpm_port { |
| CPM_PORTA, |
| CPM_PORTB, |
| CPM_PORTC, |
| CPM_PORTD, |
| CPM_PORTE, |
| }; |
| |
| void cpm1_set_pin(enum cpm_port port, int pin, int flags); |
| |
| 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_SMC1, |
| CPM_CLK_SMC2, |
| }; |
| |
| enum cpm_clk { |
| 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_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 */ |
| }; |
| |
| int cpm1_clk_setup(enum cpm_clk_target target, int clock, int mode); |
| |
| #endif /* __CPM_8XX__ */ |
