| // 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 */ |
| |
