Moved from freebios
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@862 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Greg Watson
210
src/include/pc80/ide.h
Normal file
210
src/include/pc80/ide.h
Normal file
@@ -0,0 +1,210 @@
|
||||
/*
|
||||
* UBL, The Universal Talkware Boot Loader
|
||||
* Copyright (C) 2000 Universal Talkware Inc.
|
||||
* Copyright (C) 2002 Eric Biederman
|
||||
*
|
||||
* This program 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.
|
||||
*
|
||||
* This program 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
*
|
||||
*/
|
||||
|
||||
typedef uint64_t sector_t;
|
||||
|
||||
struct controller {
|
||||
uint16_t cmd_base;
|
||||
uint16_t ctrl_base;
|
||||
};
|
||||
|
||||
struct harddisk_info {
|
||||
struct controller *ctrl;
|
||||
uint16_t heads;
|
||||
uint16_t cylinders;
|
||||
uint16_t sectors_per_track;
|
||||
uint8_t model_number[41];
|
||||
uint8_t slave;
|
||||
sector_t sectors;
|
||||
int address_mode; /* am i lba (0x40) or chs (0x00) */
|
||||
#define ADDRESS_MODE_CHS 0
|
||||
#define ADDRESS_MODE_LBA 1
|
||||
#define ADDRESS_MODE_LBA48 2
|
||||
int drive_exists;
|
||||
int slave_absent;
|
||||
int basedrive;
|
||||
};
|
||||
|
||||
|
||||
#define IDE_SECTOR_SIZE 0x200
|
||||
|
||||
#define IDE_BASE0 (0x1F0u) /* primary controller */
|
||||
#define IDE_BASE1 (0x170u) /* secondary */
|
||||
#define IDE_BASE2 (0x0F0u) /* third */
|
||||
#define IDE_BASE3 (0x070u) /* fourth */
|
||||
|
||||
#define IDE_REG_EXTENDED_OFFSET (0x204u)
|
||||
|
||||
#define IDE_REG_DATA(ctrl) ((ctrl)->cmd_base + 0u) /* word register */
|
||||
#define IDE_REG_ERROR(ctrl) ((ctrl)->cmd_base + 1u)
|
||||
#define IDE_REG_PRECOMP(ctrl) ((ctrl)->cmd_base + 1u)
|
||||
#define IDE_REG_FEATURE(ctrl) ((ctrl)->cmd_base + 1u)
|
||||
#define IDE_REG_SECTOR_COUNT(ctrl) ((ctrl)->cmd_base + 2u)
|
||||
#define IDE_REG_SECTOR_NUMBER(ctrl) ((ctrl)->cmd_base + 3u)
|
||||
#define IDE_REG_LBA_LOW(ctrl) ((ctrl)->cmd_base + 3u)
|
||||
#define IDE_REG_CYLINDER_LSB(ctrl) ((ctrl)->cmd_base + 4u)
|
||||
#define IDE_REG_LBA_MID(ctrl) ((ctrl)->cmd_base + 4u)
|
||||
#define IDE_REG_CYLINDER_MSB(ctrl) ((ctrl)->cmd_base + 5u)
|
||||
#define IDE_REG_LBA_HIGH(ctrl) ((ctrl)->cmd_base + 5u)
|
||||
#define IDE_REG_DRIVEHEAD(ctrl) ((ctrl)->cmd_base + 6u)
|
||||
#define IDE_REG_DEVICE(ctrl) ((ctrl)->cmd_base + 6u)
|
||||
#define IDE_REG_STATUS(ctrl) ((ctrl)->cmd_base + 7u)
|
||||
#define IDE_REG_COMMAND(ctrl) ((ctrl)->cmd_base + 7u)
|
||||
#define IDE_REG_ALTSTATUS(ctrl) ((ctrl)->ctrl_base + 2u)
|
||||
#define IDE_REG_DEVICE_CONTROL(ctrl) ((ctrl)->ctrl_base + 2u)
|
||||
|
||||
struct ide_pio_command
|
||||
{
|
||||
uint8_t feature;
|
||||
uint8_t sector_count;
|
||||
uint8_t lba_low;
|
||||
uint8_t lba_mid;
|
||||
uint8_t lba_high;
|
||||
uint8_t device;
|
||||
# define IDE_DH_DEFAULT (0xA0)
|
||||
# define IDE_DH_HEAD(x) ((x) & 0x0F)
|
||||
# define IDE_DH_MASTER (0x00)
|
||||
# define IDE_DH_SLAVE (0x10)
|
||||
# define IDE_DH_LBA (0x40)
|
||||
# define IDE_DH_CHS (0x00)
|
||||
uint8_t command;
|
||||
uint8_t sector_count2;
|
||||
uint8_t lba_low2;
|
||||
uint8_t lba_mid2;
|
||||
uint8_t lba_high2;
|
||||
};
|
||||
|
||||
#define IDE_DEFAULT_COMMAND { 0xFFu, 0x01, 0x00, 0x0000, IDE_DH_DEFAULT }
|
||||
|
||||
#define IDE_ERR_ICRC 0x80 /* ATA Ultra DMA bad CRC */
|
||||
#define IDE_ERR_BBK 0x80 /* ATA bad block */
|
||||
#define IDE_ERR_UNC 0x40 /* ATA uncorrected error */
|
||||
#define IDE_ERR_MC 0x20 /* ATA media change */
|
||||
#define IDE_ERR_IDNF 0x10 /* ATA id not found */
|
||||
#define IDE_ERR_MCR 0x08 /* ATA media change request */
|
||||
#define IDE_ERR_ABRT 0x04 /* ATA command aborted */
|
||||
#define IDE_ERR_NTK0 0x02 /* ATA track 0 not found */
|
||||
#define IDE_ERR_NDAM 0x01 /* ATA address mark not found */
|
||||
|
||||
#define IDE_STATUS_BSY 0x80 /* busy */
|
||||
#define IDE_STATUS_RDY 0x40 /* ready */
|
||||
#define IDE_STATUS_DF 0x20 /* device fault */
|
||||
#define IDE_STATUS_WFT 0x20 /* write fault (old name) */
|
||||
#define IDE_STATUS_SKC 0x10 /* seek complete */
|
||||
#define IDE_STATUS_DRQ 0x08 /* data request */
|
||||
#define IDE_STATUS_CORR 0x04 /* corrected */
|
||||
#define IDE_STATUS_IDX 0x02 /* index */
|
||||
#define IDE_STATUS_ERR 0x01 /* error (ATA) */
|
||||
#define IDE_STATUS_CHK 0x01 /* check (ATAPI) */
|
||||
|
||||
#define IDE_CTRL_HD15 0x08 /* bit should always be set to one */
|
||||
#define IDE_CTRL_SRST 0x04 /* soft reset */
|
||||
#define IDE_CTRL_NIEN 0x02 /* disable interrupts */
|
||||
|
||||
|
||||
/* Most mandtory and optional ATA commands (from ATA-3), */
|
||||
|
||||
#define IDE_CMD_CFA_ERASE_SECTORS 0xC0
|
||||
#define IDE_CMD_CFA_REQUEST_EXT_ERR_CODE 0x03
|
||||
#define IDE_CMD_CFA_TRANSLATE_SECTOR 0x87
|
||||
#define IDE_CMD_CFA_WRITE_MULTIPLE_WO_ERASE 0xCD
|
||||
#define IDE_CMD_CFA_WRITE_SECTORS_WO_ERASE 0x38
|
||||
#define IDE_CMD_CHECK_POWER_MODE1 0xE5
|
||||
#define IDE_CMD_CHECK_POWER_MODE2 0x98
|
||||
#define IDE_CMD_DEVICE_RESET 0x08
|
||||
#define IDE_CMD_EXECUTE_DEVICE_DIAGNOSTIC 0x90
|
||||
#define IDE_CMD_FLUSH_CACHE 0xE7
|
||||
#define IDE_CMD_FORMAT_TRACK 0x50
|
||||
#define IDE_CMD_IDENTIFY_DEVICE 0xEC
|
||||
#define IDE_CMD_IDENTIFY_DEVICE_PACKET 0xA1
|
||||
#define IDE_CMD_IDENTIFY_PACKET_DEVICE 0xA1
|
||||
#define IDE_CMD_IDLE1 0xE3
|
||||
#define IDE_CMD_IDLE2 0x97
|
||||
#define IDE_CMD_IDLE_IMMEDIATE1 0xE1
|
||||
#define IDE_CMD_IDLE_IMMEDIATE2 0x95
|
||||
#define IDE_CMD_INITIALIZE_DRIVE_PARAMETERS 0x91
|
||||
#define IDE_CMD_INITIALIZE_DEVICE_PARAMETERS 0x91
|
||||
#define IDE_CMD_NOP 0x00
|
||||
#define IDE_CMD_PACKET 0xA0
|
||||
#define IDE_CMD_READ_BUFFER 0xE4
|
||||
#define IDE_CMD_READ_DMA 0xC8
|
||||
#define IDE_CMD_READ_DMA_QUEUED 0xC7
|
||||
#define IDE_CMD_READ_MULTIPLE 0xC4
|
||||
#define IDE_CMD_READ_SECTORS 0x20
|
||||
#define IDE_CMD_READ_SECTORS_EXT 0x24
|
||||
#define IDE_CMD_READ_VERIFY_SECTORS 0x40
|
||||
#define IDE_CMD_RECALIBRATE 0x10
|
||||
#define IDE_CMD_SEEK 0x70
|
||||
#define IDE_CMD_SET_FEATURES 0xEF
|
||||
#define IDE_CMD_SET_MAX_ADDR_EXT 0x24
|
||||
#define IDE_CMD_SET_MULTIPLE_MODE 0xC6
|
||||
#define IDE_CMD_SLEEP1 0xE6
|
||||
#define IDE_CMD_SLEEP2 0x99
|
||||
#define IDE_CMD_STANDBY1 0xE2
|
||||
#define IDE_CMD_STANDBY2 0x96
|
||||
#define IDE_CMD_STANDBY_IMMEDIATE1 0xE0
|
||||
#define IDE_CMD_STANDBY_IMMEDIATE2 0x94
|
||||
#define IDE_CMD_WRITE_BUFFER 0xE8
|
||||
#define IDE_CMD_WRITE_DMA 0xCA
|
||||
#define IDE_CMD_WRITE_DMA_QUEUED 0xCC
|
||||
#define IDE_CMD_WRITE_MULTIPLE 0xC5
|
||||
#define IDE_CMD_WRITE_SECTORS 0x30
|
||||
#define IDE_CMD_WRITE_VERIFY 0x3C
|
||||
|
||||
/* IDE_CMD_SET_FEATURE sub commands */
|
||||
#define IDE_FEATURE_CFA_ENABLE_8BIT_PIO 0x01
|
||||
#define IDE_FEATURE_ENABLE_WRITE_CACHE 0x02
|
||||
#define IDE_FEATURE_SET_TRANSFER_MODE 0x03
|
||||
#define IDE_FEATURE_ENABLE_POWER_MANAGEMENT 0x05
|
||||
#define IDE_FEATURE_ENABLE_POWERUP_IN_STANDBY 0x06
|
||||
#define IDE_FEATURE_STANDBY_SPINUP_DRIVE 0x07
|
||||
#define IDE_FEATURE_CFA_ENABLE_POWER_MODE1 0x0A
|
||||
#define IDE_FEATURE_DISABLE_MEDIA_STATUS_NOTIFICATION 0x31
|
||||
#define IDE_FEATURE_ENABLE_AUTOMATIC_ACOUSTIC_MANAGEMENT 0x42
|
||||
#define IDE_FEATURE_SET_MAXIMUM_HOST_INTERFACE_SECTOR_TIMES 0x43
|
||||
#define IDE_FEATURE_DISABLE_READ_LOOKAHEAD 0x55
|
||||
#define IDE_FEATURE_ENABLE_RELEASE_INTERRUPT 0x5D
|
||||
#define IDE_FEATURE_ENABLE_SERVICE_INTERRUPT 0x5E
|
||||
#define IDE_FEATURE_DISABLE_REVERTING_TO_POWERON_DEFAULTS 0x66
|
||||
#define IDE_FEATURE_CFA_DISABLE_8BIT_PIO 0x81
|
||||
#define IDE_FEATURE_DISABLE_WRITE_CACHE 0x82
|
||||
#define IDE_FEATURE_DISABLE_POWER_MANAGEMENT 0x85
|
||||
#define IDE_FEATURE_DISABLE_POWERUP_IN_STANDBY 0x86
|
||||
#define IDE_FEATURE_CFA_DISABLE_POWER_MODE1 0x8A
|
||||
#define IDE_FEATURE_ENABLE_MEDIA_STATUS_NOTIFICATION 0x95
|
||||
#define IDE_FEATURE_ENABLE_READ_LOOKAHEAD 0xAA
|
||||
#define IDE_FEATURE_DISABLE_AUTOMATIC_ACOUSTIC_MANAGEMENT 0xC2
|
||||
#define IDE_FEATURE_ENABLE_REVERTING_TO_POWERON_DEFAULTS 0xCC
|
||||
#define IDE_FEATURE_DISABLE_SERVICE_INTERRUPT 0xDE
|
||||
|
||||
#define NUM_HD (4)
|
||||
#define SECTOR_SIZE 512
|
||||
#define SECTOR_SHIFT 9
|
||||
|
||||
/* Maximum block_size that may be set. */
|
||||
#define DISK_BUFFER_SIZE (18 * SECTOR_SIZE)
|
||||
|
||||
extern struct harddisk_info harddisk_info[NUM_HD];
|
||||
|
||||
extern int ide_init(void);
|
||||
extern int ide_read_sector(int driveno, void * buf, unsigned int sector,
|
||||
int byte_offset, int n_bytes);
|
||||
Reference in New Issue
Block a user