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-rw-r--r--arch/powerpc/include/asm/cpm1.h652
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diff --git a/arch/powerpc/include/asm/cpm1.h b/arch/powerpc/include/asm/cpm1.h
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+++ b/arch/powerpc/include/asm/cpm1.h
@@ -0,0 +1,652 @@
+/*
+ * 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 __CPM1__
+#define __CPM1__
+
+#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)
+
+/* 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))
+
+/* Export the base address of the communication processor registers
+ * and dual port ram.
+ */
+extern cpm8xx_t __iomem *cpmp; /* Pointer to comm processor */
+
+#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
+
+extern void cpm_setbrg(uint brg, uint rate);
+
+extern void cpm_load_patch(cpm8xx_t *cp);
+
+extern void cpm_reset(void);
+
+/* 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 */
+
+/* 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;
+
+/* 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;
+
+/* 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 interrupt */
+#define CICR_HP_MASK ((uint)0x00001f00) /* Hi-pri int. */
+#define CICR_IEN ((uint)0x00000080) /* Int. enable */
+#define CICR_SPS ((uint)0x00000001) /* SCC Spread */
+
+#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 /* __CPM1__ */
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