mirror of https://github.com/wolfSSL/wolfBoot.git
70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
/* ata.h
|
|
*
|
|
* Copyright (C) 2023 wolfSSL Inc.
|
|
*
|
|
* This file is part of wolfBoot.
|
|
*
|
|
* wolfBoot is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* wolfBoot is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
|
|
*/
|
|
|
|
#ifndef ATA_H
|
|
#define ATA_H
|
|
|
|
#include <stdint.h>
|
|
|
|
struct __attribute__((packed)) hba_cmd_header {
|
|
uint8_t cfl:5, a:1, w:1, p:1;
|
|
uint8_t r:1, b:1, c:1, _res0:1, pmp:4;
|
|
uint16_t prdtl;
|
|
|
|
uint32_t prbdc;
|
|
|
|
uint32_t ctba;
|
|
uint32_t ctbau;
|
|
uint32_t _res1[4];
|
|
};
|
|
|
|
int ata_drive_new(uint32_t ahci_base, unsigned ahci_port, uint32_t clb, uint32_t ctable, uint32_t fis);
|
|
int ata_drive_read(int drv, uint64_t start, uint32_t count, uint8_t *buf);
|
|
int ata_drive_write(int drv, uint64_t start, uint32_t count,
|
|
const uint8_t *buf);
|
|
int ata_identify_device(int drv);
|
|
|
|
#define ATA_DEV_BUSY (1 << 7)
|
|
#define ATA_DEV_DRQ (1 << 3)
|
|
|
|
/* FIS types */
|
|
|
|
#define FIS_TYPE_REG_H2D 0x27
|
|
#define FIS_TYPE_REG_D2H 0x34
|
|
#define FIS_TYPE_DMA_ACT 0x39
|
|
#define FIS_TYPE_DMA_SETUP 0x41
|
|
#define FIS_TYPE_DATA 0x46
|
|
#define FIS_TYPE_BIST 0x58
|
|
#define FIS_TYPE_PIO_SETUP 0x5F
|
|
#define FIS_TYPE_DEV_BITS 0xA1
|
|
|
|
#define FIS_LEN_H2D 20
|
|
#define FIS_H2D_CMD (1 << 7)
|
|
|
|
/* ATA commands */
|
|
|
|
#define ATA_CMD_READ_DMA_EX 0x25
|
|
#define ATA_CMD_WRITE_DMA_EX 0x35
|
|
#define ATA_CMD_WRITE_DMA 0xCA
|
|
#define ATA_CMD_IDENTIFY_DEVICE 0xEC
|
|
|
|
#endif
|