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