altera.h

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/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#ifndef ALTERA_H
#define ALTERA_H
 
#include <stdint.h>
 
#define CPLD_UPDATE_SIZE 0x80
 
// on-chip Flash IP
#define ON_CHIP_FLASH_IP_CSR_STATUS_REG 0x00200020
#define ON_CHIP_FLASH_IP_DATA_REG 0x00000000
 
// Dual-boot IP
#define DUAL_BOOT_IP_BASE 0x00200000
#define M04_CFM1_START_ADDR 0x00027000
#define M04_CFM1_END_ADDR 0x00049FFF
 
// status register
#define BUSY_IDLE 0x00
#define BUSY_ERASE 0x01
#define BUSY_WRITE 0x02
#define BUSY_READ 0x03
#define READ_SUCCESS 0x04
#define WRITE_SUCCESS 0x08
#define ERASE_SUCCESS 0x10
#define STATUS_BIT_MASK 0x1F
 
typedef struct _altera_max10_attr {
    uint8_t bus;
    uint8_t target_addr;
    int update_start_addr;
    int update_end_addr;
} altera_max10_attr;
 
int change_word_to_byte(uint8_t *output, int intput);
int get_register_via_i2c(int reg, int *val);
int set_register_via_i2c(int reg, int val);
int max10_reg_read(int address);
int max10_reg_write(int address, int data);
int max10_status_read(void);
int max10_write_flash_data(int address, int data);
int cpld_altera_max10_fw_update(uint32_t offset, uint16_t msg_len, uint8_t *msg);
int pal_load_altera_max10_attr();
 
#endif