2019-06-15 10:57:42 +08:00
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/* SPDX-License-Identifier: GPL-2.0+ */
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2018-06-12 07:55:04 +08:00
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#ifndef __CF_FSI_FW_H
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#define __CF_FSI_FW_H
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/*
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* uCode file layout
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*
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* 0000...03ff : m68k exception vectors
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* 0400...04ff : Header info & boot config block
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* 0500....... : Code & stack
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*/
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/*
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* Header info & boot config area
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*
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* The Header info is built into the ucode and provide version and
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* platform information.
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*
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* the Boot config needs to be adjusted by the ARM prior to starting
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* the ucode if the Command/Status area isn't at 0x320000 in CF space
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* (ie. beginning of SRAM).
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*/
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#define HDR_OFFSET 0x400
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/* Info: Signature & version */
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#define HDR_SYS_SIG 0x00 /* 2 bytes system signature */
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#define SYS_SIG_SHARED 0x5348
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#define SYS_SIG_SPLIT 0x5350
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#define HDR_FW_VERS 0x02 /* 2 bytes Major.Minor */
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#define HDR_API_VERS 0x04 /* 2 bytes Major.Minor */
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#define API_VERSION_MAJ 2 /* Current version */
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#define API_VERSION_MIN 1
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#define HDR_FW_OPTIONS 0x08 /* 4 bytes option flags */
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#define FW_OPTION_TRACE_EN 0x00000001 /* FW tracing enabled */
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#define FW_OPTION_CONT_CLOCK 0x00000002 /* Continuous clocking supported */
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#define HDR_FW_SIZE 0x10 /* 4 bytes size for combo image */
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/* Boot Config: Address of Command/Status area */
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#define HDR_CMD_STAT_AREA 0x80 /* 4 bytes CF address */
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#define HDR_FW_CONTROL 0x84 /* 4 bytes control flags */
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#define FW_CONTROL_CONT_CLOCK 0x00000002 /* Continuous clocking enabled */
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#define FW_CONTROL_DUMMY_RD 0x00000004 /* Extra dummy read (AST2400) */
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#define FW_CONTROL_USE_STOP 0x00000008 /* Use STOP instructions */
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#define HDR_CLOCK_GPIO_VADDR 0x90 /* 2 bytes offset from GPIO base */
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#define HDR_CLOCK_GPIO_DADDR 0x92 /* 2 bytes offset from GPIO base */
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#define HDR_DATA_GPIO_VADDR 0x94 /* 2 bytes offset from GPIO base */
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#define HDR_DATA_GPIO_DADDR 0x96 /* 2 bytes offset from GPIO base */
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#define HDR_TRANS_GPIO_VADDR 0x98 /* 2 bytes offset from GPIO base */
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#define HDR_TRANS_GPIO_DADDR 0x9a /* 2 bytes offset from GPIO base */
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#define HDR_CLOCK_GPIO_BIT 0x9c /* 1 byte bit number */
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#define HDR_DATA_GPIO_BIT 0x9d /* 1 byte bit number */
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#define HDR_TRANS_GPIO_BIT 0x9e /* 1 byte bit number */
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/*
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* Command/Status area layout: Main part
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*/
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/* Command/Status register:
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*
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* +---------------------------+
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* | STAT | RLEN | CLEN | CMD |
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* | 8 | 8 | 8 | 8 |
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* +---------------------------+
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* | | | |
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* status | | |
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* Response len | |
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* (in bits) | |
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* | |
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* Command len |
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* (in bits) |
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* |
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* Command code
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*
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* Due to the big endian layout, that means that a byte read will
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* return the status byte
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*/
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#define CMD_STAT_REG 0x00
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#define CMD_REG_CMD_MASK 0x000000ff
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#define CMD_REG_CMD_SHIFT 0
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#define CMD_NONE 0x00
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#define CMD_COMMAND 0x01
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#define CMD_BREAK 0x02
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#define CMD_IDLE_CLOCKS 0x03 /* clen = #clocks */
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#define CMD_INVALID 0xff
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#define CMD_REG_CLEN_MASK 0x0000ff00
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#define CMD_REG_CLEN_SHIFT 8
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#define CMD_REG_RLEN_MASK 0x00ff0000
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#define CMD_REG_RLEN_SHIFT 16
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#define CMD_REG_STAT_MASK 0xff000000
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#define CMD_REG_STAT_SHIFT 24
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#define STAT_WORKING 0x00
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#define STAT_COMPLETE 0x01
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#define STAT_ERR_INVAL_CMD 0x80
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#define STAT_ERR_INVAL_IRQ 0x81
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#define STAT_ERR_MTOE 0x82
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/* Response tag & CRC */
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#define STAT_RTAG 0x04
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/* Response CRC */
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#define STAT_RCRC 0x05
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/* Echo and Send delay */
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#define ECHO_DLY_REG 0x08
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#define SEND_DLY_REG 0x09
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/* Command data area
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*
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* Last byte of message must be left aligned
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*/
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#define CMD_DATA 0x10 /* 64 bit of data */
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/* Response data area, right aligned, unused top bits are 1 */
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#define RSP_DATA 0x20 /* 32 bit of data */
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/* Misc */
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#define INT_CNT 0x30 /* 32-bit interrupt count */
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#define BAD_INT_VEC 0x34 /* 32-bit bad interrupt vector # */
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#define CF_STARTED 0x38 /* byte, set to -1 when copro started */
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#define CLK_CNT 0x3c /* 32-bit, clock count (debug only) */
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/*
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* SRAM layout: GPIO arbitration part
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*/
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#define ARB_REG 0x40
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#define ARB_ARM_REQ 0x01
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#define ARB_ARM_ACK 0x02
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/* Misc2 */
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#define CF_RESET_D0 0x50
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#define CF_RESET_D1 0x54
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#define BAD_INT_S0 0x58
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#define BAD_INT_S1 0x5c
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#define STOP_CNT 0x60
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/* Internal */
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/*
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* SRAM layout: Trace buffer (debug builds only)
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*/
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#define TRACEBUF 0x100
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#define TR_CLKOBIT0 0xc0
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#define TR_CLKOBIT1 0xc1
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#define TR_CLKOSTART 0x82
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#define TR_OLEN 0x83 /* + len */
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#define TR_CLKZ 0x84 /* + count */
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#define TR_CLKWSTART 0x85
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#define TR_CLKTAG 0x86 /* + tag */
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#define TR_CLKDATA 0x87 /* + len */
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#define TR_CLKCRC 0x88 /* + raw crc */
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#define TR_CLKIBIT0 0x90
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#define TR_CLKIBIT1 0x91
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#define TR_END 0xff
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#endif /* __CF_FSI_FW_H */
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