60 lines
1.1 KiB
C
60 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* caddy.c -- esd VME8349 support for "missing" access modes in TSI148.
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* Copyright (c) 2009 esd gmbh.
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*
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* Reinhard Arlt <reinhard.arlt@esd-electronics.com>
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*/
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#ifndef __CADDY_H__
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#define __CADDY_H__
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#define CMD_SIZE 1024
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#define ANSWER_SIZE 1024
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#define CADDY_MAGIC "esd vme8349 V1.0"
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enum caddy_cmds {
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CADDY_CMD_IO_READ_8,
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CADDY_CMD_IO_READ_16,
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CADDY_CMD_IO_READ_32,
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CADDY_CMD_IO_WRITE_8,
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CADDY_CMD_IO_WRITE_16,
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CADDY_CMD_IO_WRITE_32,
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CADDY_CMD_CONFIG_READ_8,
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CADDY_CMD_CONFIG_READ_16,
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CADDY_CMD_CONFIG_READ_32,
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CADDY_CMD_CONFIG_WRITE_8,
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CADDY_CMD_CONFIG_WRITE_16,
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CADDY_CMD_CONFIG_WRITE_32,
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};
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struct caddy_cmd {
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uint32_t cmd;
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uint32_t issue;
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uint32_t addr;
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uint32_t par[5];
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};
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struct caddy_answer {
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uint32_t answer;
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uint32_t issue;
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uint32_t status;
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uint32_t par[5];
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};
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struct caddy_interface {
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uint8_t magic[16];
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uint32_t cmd_in;
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uint32_t cmd_out;
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uint32_t heartbeat;
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uint32_t reserved1;
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struct caddy_cmd cmd[CMD_SIZE];
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uint32_t answer_in;
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uint32_t answer_out;
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uint32_t reserved2;
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uint32_t reserved3;
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struct caddy_answer answer[CMD_SIZE];
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};
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#endif /* of __CADDY_H__ */
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