1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 #ifndef __CF_FSI_FW_H 3 #define __CF_FSI_FW_H 4 5 /* 6 * uCode file layout 7 * 8 * 0000...03ff : m68k exception vectors 9 * 0400...04ff : Header info & boot config block 10 * 0500....... : Code & stack 11 */ 12 13 /* 14 * Header info & boot config area 15 * 16 * The Header info is built into the ucode and provide version and 17 * platform information. 18 * 19 * the Boot config needs to be adjusted by the ARM prior to starting 20 * the ucode if the Command/Status area isn't at 0x320000 in CF space 21 * (ie. beginning of SRAM). 22 */ 23 24 #define HDR_OFFSET 0x400 25 26 /* Info: Signature & version */ 27 #define HDR_SYS_SIG 0x00 /* 2 bytes system signature */ 28 #define SYS_SIG_SHARED 0x5348 29 #define SYS_SIG_SPLIT 0x5350 30 #define HDR_FW_VERS 0x02 /* 2 bytes Major.Minor */ 31 #define HDR_API_VERS 0x04 /* 2 bytes Major.Minor */ 32 #define API_VERSION_MAJ 2 /* Current version */ 33 #define API_VERSION_MIN 1 34 #define HDR_FW_OPTIONS 0x08 /* 4 bytes option flags */ 35 #define FW_OPTION_TRACE_EN 0x00000001 /* FW tracing enabled */ 36 #define FW_OPTION_CONT_CLOCK 0x00000002 /* Continuous clocking supported */ 37 #define HDR_FW_SIZE 0x10 /* 4 bytes size for combo image */ 38 39 /* Boot Config: Address of Command/Status area */ 40 #define HDR_CMD_STAT_AREA 0x80 /* 4 bytes CF address */ 41 #define HDR_FW_CONTROL 0x84 /* 4 bytes control flags */ 42 #define FW_CONTROL_CONT_CLOCK 0x00000002 /* Continuous clocking enabled */ 43 #define FW_CONTROL_DUMMY_RD 0x00000004 /* Extra dummy read (AST2400) */ 44 #define FW_CONTROL_USE_STOP 0x00000008 /* Use STOP instructions */ 45 #define HDR_CLOCK_GPIO_VADDR 0x90 /* 2 bytes offset from GPIO base */ 46 #define HDR_CLOCK_GPIO_DADDR 0x92 /* 2 bytes offset from GPIO base */ 47 #define HDR_DATA_GPIO_VADDR 0x94 /* 2 bytes offset from GPIO base */ 48 #define HDR_DATA_GPIO_DADDR 0x96 /* 2 bytes offset from GPIO base */ 49 #define HDR_TRANS_GPIO_VADDR 0x98 /* 2 bytes offset from GPIO base */ 50 #define HDR_TRANS_GPIO_DADDR 0x9a /* 2 bytes offset from GPIO base */ 51 #define HDR_CLOCK_GPIO_BIT 0x9c /* 1 byte bit number */ 52 #define HDR_DATA_GPIO_BIT 0x9d /* 1 byte bit number */ 53 #define HDR_TRANS_GPIO_BIT 0x9e /* 1 byte bit number */ 54 55 /* 56 * Command/Status area layout: Main part 57 */ 58 59 /* Command/Status register: 60 * 61 * +---------------------------+ 62 * | STAT | RLEN | CLEN | CMD | 63 * | 8 | 8 | 8 | 8 | 64 * +---------------------------+ 65 * | | | | 66 * status | | | 67 * Response len | | 68 * (in bits) | | 69 * | | 70 * Command len | 71 * (in bits) | 72 * | 73 * Command code 74 * 75 * Due to the big endian layout, that means that a byte read will 76 * return the status byte 77 */ 78 #define CMD_STAT_REG 0x00 79 #define CMD_REG_CMD_MASK 0x000000ff 80 #define CMD_REG_CMD_SHIFT 0 81 #define CMD_NONE 0x00 82 #define CMD_COMMAND 0x01 83 #define CMD_BREAK 0x02 84 #define CMD_IDLE_CLOCKS 0x03 /* clen = #clocks */ 85 #define CMD_INVALID 0xff 86 #define CMD_REG_CLEN_MASK 0x0000ff00 87 #define CMD_REG_CLEN_SHIFT 8 88 #define CMD_REG_RLEN_MASK 0x00ff0000 89 #define CMD_REG_RLEN_SHIFT 16 90 #define CMD_REG_STAT_MASK 0xff000000 91 #define CMD_REG_STAT_SHIFT 24 92 #define STAT_WORKING 0x00 93 #define STAT_COMPLETE 0x01 94 #define STAT_ERR_INVAL_CMD 0x80 95 #define STAT_ERR_INVAL_IRQ 0x81 96 #define STAT_ERR_MTOE 0x82 97 98 /* Response tag & CRC */ 99 #define STAT_RTAG 0x04 100 101 /* Response CRC */ 102 #define STAT_RCRC 0x05 103 104 /* Echo and Send delay */ 105 #define ECHO_DLY_REG 0x08 106 #define SEND_DLY_REG 0x09 107 108 /* Command data area 109 * 110 * Last byte of message must be left aligned 111 */ 112 #define CMD_DATA 0x10 /* 64 bit of data */ 113 114 /* Response data area, right aligned, unused top bits are 1 */ 115 #define RSP_DATA 0x20 /* 32 bit of data */ 116 117 /* Misc */ 118 #define INT_CNT 0x30 /* 32-bit interrupt count */ 119 #define BAD_INT_VEC 0x34 /* 32-bit bad interrupt vector # */ 120 #define CF_STARTED 0x38 /* byte, set to -1 when copro started */ 121 #define CLK_CNT 0x3c /* 32-bit, clock count (debug only) */ 122 123 /* 124 * SRAM layout: GPIO arbitration part 125 */ 126 #define ARB_REG 0x40 127 #define ARB_ARM_REQ 0x01 128 #define ARB_ARM_ACK 0x02 129 130 /* Misc2 */ 131 #define CF_RESET_D0 0x50 132 #define CF_RESET_D1 0x54 133 #define BAD_INT_S0 0x58 134 #define BAD_INT_S1 0x5c 135 #define STOP_CNT 0x60 136 137 /* Internal */ 138 139 /* 140 * SRAM layout: Trace buffer (debug builds only) 141 */ 142 #define TRACEBUF 0x100 143 #define TR_CLKOBIT0 0xc0 144 #define TR_CLKOBIT1 0xc1 145 #define TR_CLKOSTART 0x82 146 #define TR_OLEN 0x83 /* + len */ 147 #define TR_CLKZ 0x84 /* + count */ 148 #define TR_CLKWSTART 0x85 149 #define TR_CLKTAG 0x86 /* + tag */ 150 #define TR_CLKDATA 0x87 /* + len */ 151 #define TR_CLKCRC 0x88 /* + raw crc */ 152 #define TR_CLKIBIT0 0x90 153 #define TR_CLKIBIT1 0x91 154 #define TR_END 0xff 155 156 #endif /* __CF_FSI_FW_H */ 157 158