| /* 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 */ | |