1#ifndef __CPM_H 2#define __CPM_H 3 4#include <linux/compiler.h> 5#include <linux/types.h> 6#include <linux/errno.h> 7#include <linux/of.h> 8#include <soc/fsl/qe/qe.h> 9 10/* 11 * SPI Parameter RAM common to QE and CPM. 12 */ 13struct spi_pram { 14 __be16 rbase; /* Rx Buffer descriptor base address */ 15 __be16 tbase; /* Tx Buffer descriptor base address */ 16 u8 rfcr; /* Rx function code */ 17 u8 tfcr; /* Tx function code */ 18 __be16 mrblr; /* Max receive buffer length */ 19 __be32 rstate; /* Internal */ 20 __be32 rdp; /* Internal */ 21 __be16 rbptr; /* Internal */ 22 __be16 rbc; /* Internal */ 23 __be32 rxtmp; /* Internal */ 24 __be32 tstate; /* Internal */ 25 __be32 tdp; /* Internal */ 26 __be16 tbptr; /* Internal */ 27 __be16 tbc; /* Internal */ 28 __be32 txtmp; /* Internal */ 29 __be32 res; /* Tx temp. */ 30 __be16 rpbase; /* Relocation pointer (CPM1 only) */ 31 __be16 res1; /* Reserved */ 32}; 33 34/* 35 * USB Controller pram common to QE and CPM. 36 */ 37struct usb_ctlr { 38 u8 usb_usmod; 39 u8 usb_usadr; 40 u8 usb_uscom; 41 u8 res1[1]; 42 __be16 usb_usep[4]; 43 u8 res2[4]; 44 __be16 usb_usber; 45 u8 res3[2]; 46 __be16 usb_usbmr; 47 u8 res4[1]; 48 u8 usb_usbs; 49 /* Fields down below are QE-only */ 50 __be16 usb_ussft; 51 u8 res5[2]; 52 __be16 usb_usfrn; 53 u8 res6[0x22]; 54} __attribute__ ((packed)); 55 56/* 57 * Function code bits, usually generic to devices. 58 */ 59#ifdef CONFIG_CPM1 60#define CPMFCR_GBL ((u_char)0x00) /* Flag doesn't exist in CPM1 */ 61#define CPMFCR_TC2 ((u_char)0x00) /* Flag doesn't exist in CPM1 */ 62#define CPMFCR_DTB ((u_char)0x00) /* Flag doesn't exist in CPM1 */ 63#define CPMFCR_BDB ((u_char)0x00) /* Flag doesn't exist in CPM1 */ 64#else 65#define CPMFCR_GBL ((u_char)0x20) /* Set memory snooping */ 66#define CPMFCR_TC2 ((u_char)0x04) /* Transfer code 2 value */ 67#define CPMFCR_DTB ((u_char)0x02) /* Use local bus for data when set */ 68#define CPMFCR_BDB ((u_char)0x01) /* Use local bus for BD when set */ 69#endif 70#define CPMFCR_EB ((u_char)0x10) /* Set big endian byte order */ 71 72/* Opcodes common to CPM1 and CPM2 73*/ 74#define CPM_CR_INIT_TRX ((ushort)0x0000) 75#define CPM_CR_INIT_RX ((ushort)0x0001) 76#define CPM_CR_INIT_TX ((ushort)0x0002) 77#define CPM_CR_HUNT_MODE ((ushort)0x0003) 78#define CPM_CR_STOP_TX ((ushort)0x0004) 79#define CPM_CR_GRA_STOP_TX ((ushort)0x0005) 80#define CPM_CR_RESTART_TX ((ushort)0x0006) 81#define CPM_CR_CLOSE_RX_BD ((ushort)0x0007) 82#define CPM_CR_SET_GADDR ((ushort)0x0008) 83#define CPM_CR_SET_TIMER ((ushort)0x0008) 84#define CPM_CR_STOP_IDMA ((ushort)0x000b) 85 86/* Buffer descriptors used by many of the CPM protocols. */ 87typedef struct cpm_buf_desc { 88 ushort cbd_sc; /* Status and Control */ 89 ushort cbd_datlen; /* Data length in buffer */ 90 uint cbd_bufaddr; /* Buffer address in host memory */ 91} cbd_t; 92 93/* Buffer descriptor control/status used by serial 94 */ 95 96#define BD_SC_EMPTY (0x8000) /* Receive is empty */ 97#define BD_SC_READY (0x8000) /* Transmit is ready */ 98#define BD_SC_WRAP (0x2000) /* Last buffer descriptor */ 99#define BD_SC_INTRPT (0x1000) /* Interrupt on change */ 100#define BD_SC_LAST (0x0800) /* Last buffer in frame */ 101#define BD_SC_TC (0x0400) /* Transmit CRC */ 102#define BD_SC_CM (0x0200) /* Continuous mode */ 103#define BD_SC_ID (0x0100) /* Rec'd too many idles */ 104#define BD_SC_P (0x0100) /* xmt preamble */ 105#define BD_SC_BR (0x0020) /* Break received */ 106#define BD_SC_FR (0x0010) /* Framing error */ 107#define BD_SC_PR (0x0008) /* Parity error */ 108#define BD_SC_NAK (0x0004) /* NAK - did not respond */ 109#define BD_SC_OV (0x0002) /* Overrun */ 110#define BD_SC_UN (0x0002) /* Underrun */ 111#define BD_SC_CD (0x0001) /* */ 112#define BD_SC_CL (0x0001) /* Collision */ 113 114/* Buffer descriptor control/status used by Ethernet receive. 115 * Common to SCC and FCC. 116 */ 117#define BD_ENET_RX_EMPTY (0x8000) 118#define BD_ENET_RX_WRAP (0x2000) 119#define BD_ENET_RX_INTR (0x1000) 120#define BD_ENET_RX_LAST (0x0800) 121#define BD_ENET_RX_FIRST (0x0400) 122#define BD_ENET_RX_MISS (0x0100) 123#define BD_ENET_RX_BC (0x0080) /* FCC Only */ 124#define BD_ENET_RX_MC (0x0040) /* FCC Only */ 125#define BD_ENET_RX_LG (0x0020) 126#define BD_ENET_RX_NO (0x0010) 127#define BD_ENET_RX_SH (0x0008) 128#define BD_ENET_RX_CR (0x0004) 129#define BD_ENET_RX_OV (0x0002) 130#define BD_ENET_RX_CL (0x0001) 131#define BD_ENET_RX_STATS (0x01ff) /* All status bits */ 132 133/* Buffer descriptor control/status used by Ethernet transmit. 134 * Common to SCC and FCC. 135 */ 136#define BD_ENET_TX_READY (0x8000) 137#define BD_ENET_TX_PAD (0x4000) 138#define BD_ENET_TX_WRAP (0x2000) 139#define BD_ENET_TX_INTR (0x1000) 140#define BD_ENET_TX_LAST (0x0800) 141#define BD_ENET_TX_TC (0x0400) 142#define BD_ENET_TX_DEF (0x0200) 143#define BD_ENET_TX_HB (0x0100) 144#define BD_ENET_TX_LC (0x0080) 145#define BD_ENET_TX_RL (0x0040) 146#define BD_ENET_TX_RCMASK (0x003c) 147#define BD_ENET_TX_UN (0x0002) 148#define BD_ENET_TX_CSL (0x0001) 149#define BD_ENET_TX_STATS (0x03ff) /* All status bits */ 150 151/* Buffer descriptor control/status used by Transparent mode SCC. 152 */ 153#define BD_SCC_TX_LAST (0x0800) 154 155/* Buffer descriptor control/status used by I2C. 156 */ 157#define BD_I2C_START (0x0400) 158 159#ifdef CONFIG_CPM 160int cpm_command(u32 command, u8 opcode); 161#else 162static inline int cpm_command(u32 command, u8 opcode) 163{ 164 return -ENOSYS; 165} 166#endif /* CONFIG_CPM */ 167 168int cpm2_gpiochip_add32(struct device_node *np); 169 170#endif 171