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/*
* MPC8xx Communication Processor Module.
* Copyright (c) 1997 Dan Malek (dmalek@jlc.net)
*
* (C) Copyright 2000-2006
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* 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
*
*/
#ifndef __CPM_8XX__
#define __CPM_8XX__
#include <asm/8xx_immap.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_RESTART_TX ((ushort)0x0006)
#define CPM_CR_SET_GADDR ((ushort)0x0008)
/* 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_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))
/*
* DPRAM defines and allocation functions
*/
/* 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.
*/
#ifdef CONFIG_SYS_ALLOC_DPRAM
#define CPM_DATAONLY_BASE ((uint)0x0800)
#define CPM_DATAONLY_SIZE ((uint)0x0700)
#define CPM_DP_NOSPACE ((uint)0x7fffffff)
#else
#define CPM_SERIAL_BASE 0x0800
#define CPM_I2C_BASE 0x0820
#define CPM_SPI_BASE 0x0840
#define CPM_FEC_BASE 0x0860
#define CPM_SERIAL2_BASE 0x08E0
#define CPM_SCC_BASE 0x0900
#define CPM_POST_BASE 0x0980
#define CPM_WLKBD_BASE 0x0a00
#endif
#ifndef CONFIG_SYS_CPM_POST_WORD_ADDR
#define CPM_POST_WORD_ADDR 0x07FC
#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 BD_IIC_START ((uint) 0x0400) /* <- please use CPM_I2C_BASE !! */
/* Export the base address of the communication processor registers
* and dual port ram.
*/
extern cpm8xx_t *cpmp; /* Pointer to comm processor */
/* 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_OV ((ushort)0x0002) /* Overrun */
#define BD_SC_CD ((ushort)0x0001) /* Carrier Detect lost */
/* Parameter RAM offsets.
*/
#define PROFF_SCC1 ((uint)0x0000)
#define PROFF_IIC ((uint)0x0080)
#define PROFF_REVNUM ((uint)0x00b0)
#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.
*/
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 */
u_char res1[8];
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_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;
/**********************************************************************
*
* Board specific configuration settings.
*
* Please note that we use the presence of a #define SCC_ENET and/or
* #define FEC_ENET to enable the SCC resp. FEC ethernet drivers.
**********************************************************************/
/*** BSEIP **********************************************************/
#ifdef CONFIG_BSEIP
/* This ENET stuff is for the MPC823 with ethernet on SCC2.
* This is unique to the BSE ip-Engine board.
*/
#define PROFF_ENET PROFF_SCC2
#define CPM_CR_ENET CPM_CR_CH_SCC2
#define SCC_ENET 1
#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 /* CONFIG_BSEIP */
/*** ESTEEM 192E **************************************************/
#ifdef CONFIG_ESTEEM192E
/* ESTEEM192E
* This ENET stuff is for the MPC850 with ethernet on SCC2. This
* is very similar to the RPX-Lite configuration.
* Note TENA , LOOPBACK , FDPLEX_DIS on Port B.
*/
#define PROFF_ENET PROFF_SCC2
#define CPM_CR_ENET CPM_CR_CH_SCC2
#define SCC_ENET 1
#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)
#define PB_ENET_LOOPBACK ((uint)0x00004000)
#define PB_ENET_FDPLEX_DIS ((uint)0x00008000)
#endif
/*** IP860 **********************************************************/
#if defined(CONFIG_IP860)
/* Bits in parallel I/O port registers that have to be set/cleared
* to configure the pins for SCC1 use.
*/
#define PROFF_ENET PROFF_SCC1
#define CPM_CR_ENET CPM_CR_CH_SCC1
#define SCC_ENET 0
#define PA_ENET_RXD ((ushort)0x0001) /* PA 15 */
#define PA_ENET_TXD ((ushort)0x0002) /* PA 14 */
#define PA_ENET_RCLK ((ushort)0x0200) /* PA 6 */
#define PA_ENET_TCLK ((ushort)0x0100) /* PA 7 */
#define PC_ENET_TENA ((ushort)0x0001) /* PC 15 */
#define PC_ENET_CLSN ((ushort)0x0010) /* PC 11 */
#define PC_ENET_RENA ((ushort)0x0020) /* PC 10 */
#define PB_ENET_RESET (uint)0x00000008 /* PB 28 */
#define PB_ENET_JABD (uint)0x00000004 /* PB 29 */
/* Control bits in the SICR to route TCLK (CLK1) and RCLK (CLK2) 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)0x0000002C)
#endif /* CONFIG_IP860 */
/*** IVMS8 **********************************************************/
/* The IVMS8 uses the FEC on a MPC860T for Ethernet */
#if defined(CONFIG_IVMS8) || defined(CONFIG_IVML24)
#define FEC_ENET /* use FEC for EThernet */
#undef SCC_ENET
#define PB_ENET_POWER ((uint)0x00010000) /* PB 15 */
#define PC_ENET_RESET ((ushort)0x0010) /* PC 11 */
#define PD_MII_TXD1 ((ushort)0x1000) /* PD 3 */
#define PD_MII_TXD2 ((ushort)0x0800) /* PD 4 */
#define PD_MII_TXD3 ((ushort)0x0400) /* PD 5 */
#define PD_MII_RX_DV ((ushort)0x0200) /* PD 6 */
#define PD_MII_RX_ERR ((ushort)0x0100) /* PD 7 */
#define PD_MII_RX_CLK ((ushort)0x0080) /* PD 8 */
#define PD_MII_TXD0 ((ushort)0x0040) /* PD 9 */
#define PD_MII_RXD0 ((ushort)0x0020) /* PD 10 */
#define PD_MII_TX_ERR ((ushort)0x0010) /* PD 11 */
#define PD_MII_MDC ((ushort)0x0008) /* PD 12 */
#define PD_MII_RXD1 ((ushort)0x0004) /* PD 13 */
#define PD_MII_RXD2 ((ushort)0x0002) /* PD 14 */
#define PD_MII_RXD3 ((ushort)0x0001) /* PD 15 */
#define PD_MII_MASK ((ushort)0x1FFF) /* PD 3...15 */
#endif /* CONFIG_IVMS8, CONFIG_IVML24 */
/*** KM8XX *********************************************************/
/* The KM8XX Service Module uses SCC3 for Ethernet */
#ifdef CONFIG_KM8XX
#define PROFF_ENET PROFF_SCC3 /* Ethernet on SCC3 */
#define CPM_CR_ENET CPM_CR_CH_SCC3
#define SCC_ENET 2
#define PA_ENET_RXD ((ushort)0x0010) /* PA 11 */
#define PA_ENET_TXD ((ushort)0x0020) /* PA 10 */
#define PA_ENET_RCLK ((ushort)0x1000) /* PA 3 CLK 5 */
#define PA_ENET_TCLK ((ushort)0x2000) /* PA 2 CLK 6 */
#define PC_ENET_TENA ((ushort)0x0004) /* PC 13 */
#define PC_ENET_RENA ((ushort)0x0200) /* PC 6 */
#define PC_ENET_CLSN ((ushort)0x0100) /* PC 7 */
/* Control bits in the SICR to route TCLK (CLK6) and RCLK (CLK5) to
* SCC3. Also, make sure GR3 (bit 8) and SC3 (bit 9) are zero.
*/
#define SICR_ENET_MASK ((uint)0x00FF0000)
#define SICR_ENET_CLKRT ((uint)0x00250000)
#endif /* CONFIG_KM8XX */
/*** MVS1, TQM823L/M, TQM850L/M, TQM885D, R360MPI **********/
#if (defined(CONFIG_MVS) && CONFIG_MVS < 2) || \
defined(CONFIG_TQM823L) || \
defined(CONFIG_TQM823M) || defined(CONFIG_TQM850L) || \
defined(CONFIG_TQM850M) || defined(CONFIG_TQM885D)
/* Bits in parallel I/O port registers that have to be set/cleared
* to configure the pins for SCC2 use.
*/
#define PROFF_ENET PROFF_SCC2
#define CPM_CR_ENET CPM_CR_CH_SCC2
#define SCC_ENET 1
#define PA_ENET_RXD ((ushort)0x0004) /* PA 13 */
#define PA_ENET_TXD ((ushort)0x0008) /* PA 12 */
#define PA_ENET_RCLK ((ushort)0x0100) /* PA 7 */
#define PA_ENET_TCLK ((ushort)0x0400) /* PA 5 */
#define PB_ENET_TENA ((uint)0x00002000) /* PB 18 */
#define PC_ENET_CLSN ((ushort)0x0040) /* PC 9 */
#define PC_ENET_RENA ((ushort)0x0080) /* PC 8 */
/* Control bits in the SICR to route TCLK (CLK3) and RCLK (CLK1) to
* SCC2. Also, make sure GR2 (bit 16) and SC2 (bit 17) are zero.
*/
#define SICR_ENET_MASK ((uint)0x0000ff00)
#define SICR_ENET_CLKRT ((uint)0x00002600)
# ifdef CONFIG_FEC_ENET /* Use FEC for Fast Ethernet */
#define FEC_ENET
# endif /* CONFIG_FEC_ENET */
#endif /* CONFIG_MVS v1, CONFIG_TQM823L/M, CONFIG_TQM850L/M, etc. */
/*** TQM855L/M, TQM860L/M, TQM862L/M, TQM866L/M *********************/
#if defined(CONFIG_TQM855L) || defined(CONFIG_TQM855M) || \
defined(CONFIG_TQM860L) || defined(CONFIG_TQM860M) || \
defined(CONFIG_TQM862L) || defined(CONFIG_TQM862M) || \
defined(CONFIG_TQM866L) || defined(CONFIG_TQM866M)
# ifdef CONFIG_SCC1_ENET /* use SCC for 10Mbps Ethernet */
/* Bits in parallel I/O port registers that have to be set/cleared
* to configure the pins for SCC1 use.
*/
#define PROFF_ENET PROFF_SCC1
#define CPM_CR_ENET CPM_CR_CH_SCC1
#define SCC_ENET 0
#define PA_ENET_RXD ((ushort)0x0001) /* PA 15 */
#define PA_ENET_TXD ((ushort)0x0002) /* PA 14 */
#define PA_ENET_RCLK ((ushort)0x0100) /* PA 7 */
#define PA_ENET_TCLK ((ushort)0x0400) /* PA 5 */
#define PC_ENET_TENA ((ushort)0x0001) /* PC 15 */
#define PC_ENET_CLSN ((ushort)0x0010) /* PC 11 */
#define PC_ENET_RENA ((ushort)0x0020) /* PC 10 */
/* Control bits in the SICR to route TCLK (CLK3) and RCLK (CLK1) 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)0x00000026)
# endif /* CONFIG_SCC1_ENET */
# ifdef CONFIG_FEC_ENET /* Use FEC for Fast Ethernet */
#define FEC_ENET
#define PD_MII_TXD1 ((ushort)0x1000) /* PD 3 */
#define PD_MII_TXD2 ((ushort)0x0800) /* PD 4 */
#define PD_MII_TXD3 ((ushort)0x0400) /* PD 5 */
#define PD_MII_RX_DV ((ushort)0x0200) /* PD 6 */
#define PD_MII_RX_ERR ((ushort)0x0100) /* PD 7 */
#define PD_MII_RX_CLK ((ushort)0x0080) /* PD 8 */
#define PD_MII_TXD0 ((ushort)0x0040) /* PD 9 */
#define PD_MII_RXD0 ((ushort)0x0020) /* PD 10 */
#define PD_MII_TX_ERR ((ushort)0x0010) /* PD 11 */
#define PD_MII_MDC ((ushort)0x0008) /* PD 12 */
#define PD_MII_RXD1 ((ushort)0x0004) /* PD 13 */
#define PD_MII_RXD2 ((ushort)0x0002) /* PD 14 */
#define PD_MII_RXD3 ((ushort)0x0001) /* PD 15 */
#define PD_MII_MASK ((ushort)0x1FFF) /* PD 3...15 */
# endif /* CONFIG_FEC_ENET */
#endif /* CONFIG_TQM855L/M, TQM860L/M, TQM862L/M */
/*********************************************************************/
/* 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.
*/
#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 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)
/* 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 */
uint iic_res; /* reserved */
ushort iic_rpbase; /* Relocation pointer */
ushort iic_res2; /* reserved */
} 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;
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_PMMSK ((ushort)0x000f) /* prescale modulus */
#define SPMODE_LEN(x) ((((x)-1)&0xF)<<4)
#define SPMODE_PM(x) ((x) &0xF)
/* HDLC parameter RAM.
*/
typedef struct hdlc_pram_s {
/*
* SCC parameter RAM
*/
ushort rbase; /* Rx Buffer descriptor base address */
ushort tbase; /* Tx Buffer descriptor base address */
uchar rfcr; /* Rx function code */
uchar tfcr; /* Tx function code */
ushort mrblr; /* Rx buffer length */
ulong rstate; /* Rx internal state */
ulong rptr; /* Rx internal data pointer */
ushort rbptr; /* rb BD Pointer */
ushort rcount; /* Rx internal byte count */
ulong rtemp; /* Rx temp */
ulong tstate; /* Tx internal state */
ulong tptr; /* Tx internal data pointer */
ushort tbptr; /* Tx BD pointer */
ushort tcount; /* Tx byte count */
ulong ttemp; /* Tx temp */
ulong rcrc; /* temp receive CRC */
ulong tcrc; /* temp transmit CRC */
/*
* HDLC specific parameter RAM
*/
uchar res[4]; /* reserved */
ulong c_mask; /* CRC constant */
ulong c_pres; /* CRC preset */
ushort disfc; /* discarded frame counter */
ushort crcec; /* CRC error counter */
ushort abtsc; /* abort sequence counter */
ushort nmarc; /* nonmatching address rx cnt */
ushort retrc; /* frame retransmission cnt */
ushort mflr; /* maximum frame length reg */
ushort max_cnt; /* maximum length counter */
ushort rfthr; /* received frames threshold */
ushort rfcnt; /* received frames count */
ushort hmask; /* user defined frm addr mask */
ushort haddr1; /* user defined frm address 1 */
ushort haddr2; /* user defined frm address 2 */
ushort haddr3; /* user defined frm address 3 */
ushort haddr4; /* user defined frm address 4 */
ushort tmp; /* temp */
ushort tmp_mb; /* temp */
} hdlc_pram_t;
/* 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_OFFSET 0x00010000
#define CPMVEC_PIO_PC15 ((ushort)0x1f | CPMVEC_OFFSET)
#define CPMVEC_SCC1 ((ushort)0x1e | CPMVEC_OFFSET)
#define CPMVEC_SCC2 ((ushort)0x1d | CPMVEC_OFFSET)
#define CPMVEC_SCC3 ((ushort)0x1c | CPMVEC_OFFSET)
#define CPMVEC_SCC4 ((ushort)0x1b | CPMVEC_OFFSET)
#define CPMVEC_PIO_PC14 ((ushort)0x1a | CPMVEC_OFFSET)
#define CPMVEC_TIMER1 ((ushort)0x19 | CPMVEC_OFFSET)
#define CPMVEC_PIO_PC13 ((ushort)0x18 | CPMVEC_OFFSET)
#define CPMVEC_PIO_PC12 ((ushort)0x17 | CPMVEC_OFFSET)
#define CPMVEC_SDMA_CB_ERR ((ushort)0x16 | CPMVEC_OFFSET)
#define CPMVEC_IDMA1 ((ushort)0x15 | CPMVEC_OFFSET)
#define CPMVEC_IDMA2 ((ushort)0x14 | CPMVEC_OFFSET)
#define CPMVEC_TIMER2 ((ushort)0x12 | CPMVEC_OFFSET)
#define CPMVEC_RISCTIMER ((ushort)0x11 | CPMVEC_OFFSET)
#define CPMVEC_I2C ((ushort)0x10 | CPMVEC_OFFSET)
#define CPMVEC_PIO_PC11 ((ushort)0x0f | CPMVEC_OFFSET)
#define CPMVEC_PIO_PC10 ((ushort)0x0e | CPMVEC_OFFSET)
#define CPMVEC_TIMER3 ((ushort)0x0c | CPMVEC_OFFSET)
#define CPMVEC_PIO_PC9 ((ushort)0x0b | CPMVEC_OFFSET)
#define CPMVEC_PIO_PC8 ((ushort)0x0a | CPMVEC_OFFSET)
#define CPMVEC_PIO_PC7 ((ushort)0x09 | CPMVEC_OFFSET)
#define CPMVEC_TIMER4 ((ushort)0x07 | CPMVEC_OFFSET)
#define CPMVEC_PIO_PC6 ((ushort)0x06 | CPMVEC_OFFSET)
#define CPMVEC_SPI ((ushort)0x05 | CPMVEC_OFFSET)
#define CPMVEC_SMC1 ((ushort)0x04 | CPMVEC_OFFSET)
#define CPMVEC_SMC2 ((ushort)0x03 | CPMVEC_OFFSET)
#define CPMVEC_PIO_PC5 ((ushort)0x02 | CPMVEC_OFFSET)
#define CPMVEC_PIO_PC4 ((ushort)0x01 | CPMVEC_OFFSET)
#define CPMVEC_ERROR ((ushort)0x00 | CPMVEC_OFFSET)
extern void irq_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_8XX__ */