mirror of
https://github.com/fail0verflow/switch-coreboot.git
synced 2025-05-04 01:39:18 -04:00
Replaced with Etherboot backport.
This commit is contained in:
Greg Watson
parent
7519bbae3f
commit
adea9f37a8
1 changed files with 161 additions and 98 deletions
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@ -1,6 +1,7 @@
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/*
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* UBL, The Universal Talkware Boot Loader
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* Copyright (C) 2000 Universal Talkware Inc.
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* Copyright (C) 2002 Eric Biederman
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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@ -16,132 +17,194 @@
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Note: Parts of this code grew out of the Openbios effort that was
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* abandoned. Without the info that we were able to learn from
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* OpenBios this program would have never worked. We are forever
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* grateful for those who came before us.
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*
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* This code can be retrieved in a machine/human readable form at:
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*
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* http://www.talkware.net/GPL/UBL
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*
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* Anyone making changes to this code please send them to us so we
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* can include them in the standard release.
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*
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* $Id$
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*
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*/
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#if !defined(IDE_H_INCLUDE)
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#define IDE_H_INCLUDE
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#include <types.h>
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typedef uint64_t sector_t;
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typedef struct {
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unsigned short controller_port;
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unsigned short num_heads;
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unsigned short num_cylinders;
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unsigned short num_sectors_per_track;
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unsigned long num_sectors; /* total */
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unsigned char address_mode; /* am i lba (0x40) or chs (0x00) */
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unsigned char model_number[40];
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unsigned char drive_exists;
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} harddisk_info_t;
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struct controller {
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uint16_t cmd_base;
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uint16_t ctrl_base;
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};
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#define NUM_HD (4)
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struct harddisk_info {
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struct controller *ctrl;
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uint16_t heads;
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uint16_t cylinders;
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uint16_t sectors_per_track;
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uint8_t model_number[41];
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uint8_t slave;
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sector_t sectors;
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int address_mode; /* am i lba (0x40) or chs (0x00) */
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#define ADDRESS_MODE_CHS 0
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#define ADDRESS_MODE_LBA 1
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#define ADDRESS_MODE_LBA48 2
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int drive_exists;
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int slave_absent;
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int basedrive;
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};
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extern harddisk_info_t harddisk_info[NUM_HD];
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extern int ide_init(void);
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extern int ide_read_sector(int driveno, void * buf, unsigned int sector,
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int byte_offset, int n_bytes);
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#ifdef DANGER_IDE_WRITE
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extern int ide_write_sector(int driveno, void * buf, unsigned int sector);
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#endif
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extern int ide_read_data(unsigned base, void * buf, size_t size);
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extern int ide_write_data(unsigned base, void * buf, size_t size);
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extern int ide_shutdown(void);
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#if 1
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#define PORT80(x) (outb_p(x, 0x80))
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#else
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#define PORT80(x) (0)
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#endif
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#define IDE_SECTOR_SIZE 0x200
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#define IDE_BASE1 (0x1F0u) /* primary controller */
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#define IDE_BASE2 (0x170u) /* secondary */
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#define IDE_BASE3 (0x0F0u) /* third */
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#define IDE_BASE4 (0x070u) /* fourth */
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#define IDE_BASE0 (0x1F0u) /* primary controller */
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#define IDE_BASE1 (0x170u) /* secondary */
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#define IDE_BASE2 (0x0F0u) /* third */
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#define IDE_BASE3 (0x070u) /* fourth */
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#define IDE_REG_EXTENDED_OFFSET (0x200u)
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#define IDE_REG_EXTENDED_OFFSET (0x204u)
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#define IDE_REG_DATA(base) ((base) + 0u) /* word register */
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#define IDE_REG_ERROR(base) ((base) + 1u)
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#define IDE_REG_PRECOMP(base) ((base) + 1u)
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#define IDE_REG_SECTOR_COUNT(base) ((base) + 2u)
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#define IDE_REG_SECTOR_NUMBER(base) ((base) + 3u)
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#define IDE_REG_CYLINDER_LSB(base) ((base) + 4u)
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#define IDE_REG_CYLINDER_MSB(base) ((base) + 5u)
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#define IDE_REG_DRIVEHEAD(base) ((base) + 6u)
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#define IDE_REG_STATUS(base) ((base) + 7u)
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#define IDE_REG_COMMAND(base) ((base) + 7u)
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#define IDE_REG_ALTSTATUS(base) ((base) + IDE_REG_EXTENDED_OFFSET + 6u)
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#define IDE_REG_CONTROL(base) ((base) + IDE_REG_EXTENDED_OFFSET + 6u)
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#define IDE_REG_ADDRESS(base) ((base) + IDE_REG_EXTENDED_OFFSET + 7u)
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#define IDE_REG_DATA(ctrl) ((ctrl)->cmd_base + 0u) /* word register */
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#define IDE_REG_ERROR(ctrl) ((ctrl)->cmd_base + 1u)
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#define IDE_REG_PRECOMP(ctrl) ((ctrl)->cmd_base + 1u)
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#define IDE_REG_FEATURE(ctrl) ((ctrl)->cmd_base + 1u)
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#define IDE_REG_SECTOR_COUNT(ctrl) ((ctrl)->cmd_base + 2u)
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#define IDE_REG_SECTOR_NUMBER(ctrl) ((ctrl)->cmd_base + 3u)
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#define IDE_REG_LBA_LOW(ctrl) ((ctrl)->cmd_base + 3u)
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#define IDE_REG_CYLINDER_LSB(ctrl) ((ctrl)->cmd_base + 4u)
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#define IDE_REG_LBA_MID(ctrl) ((ctrl)->cmd_base + 4u)
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#define IDE_REG_CYLINDER_MSB(ctrl) ((ctrl)->cmd_base + 5u)
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#define IDE_REG_LBA_HIGH(ctrl) ((ctrl)->cmd_base + 5u)
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#define IDE_REG_DRIVEHEAD(ctrl) ((ctrl)->cmd_base + 6u)
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#define IDE_REG_DEVICE(ctrl) ((ctrl)->cmd_base + 6u)
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#define IDE_REG_STATUS(ctrl) ((ctrl)->cmd_base + 7u)
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#define IDE_REG_COMMAND(ctrl) ((ctrl)->cmd_base + 7u)
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#define IDE_REG_ALTSTATUS(ctrl) ((ctrl)->ctrl_base + 2u)
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#define IDE_REG_DEVICE_CONTROL(ctrl) ((ctrl)->ctrl_base + 2u)
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typedef struct {
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unsigned char precomp;
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unsigned char sector_count;
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unsigned char sector_number;
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unsigned short cylinder;
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unsigned char drivehead;
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struct ide_pio_command
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{
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uint8_t feature;
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uint8_t sector_count;
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uint8_t lba_low;
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uint8_t lba_mid;
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uint8_t lba_high;
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uint8_t device;
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# define IDE_DH_DEFAULT (0xA0)
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# define IDE_DH_HEAD(x) ((x) & 0x0F)
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# define IDE_DH_MASTER (0x00)
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# define IDE_DH_SLAVE (0x10)
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# define IDE_DH_DRIVE(x) ((((x) & 1) != 0)?IDE_DH_SLAVE:IDE_DH_MASTER)
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# define IDE_DH_LBA (0x40)
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# define IDE_DH_CHS (0x00)
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} ide_cmd_param_t;
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uint8_t command;
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uint8_t sector_count2;
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uint8_t lba_low2;
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uint8_t lba_mid2;
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uint8_t lba_high2;
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};
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#define IDE_DEFAULT_COMMAND { 0xFFu, 0x01, 0x00, 0x0000, IDE_DH_DEFAULT }
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typedef enum {
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IDE_CMD_NOOP = 0,
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IDE_CMD_RECALIBRATE = 0x10,
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IDE_CMD_READ_MULTI_RETRY = 0x20,
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#ifdef DANGER_IDE_WRITE
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IDE_CMD_WRITE_MULTI_RETRY = 0x30,
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#endif
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IDE_CMD_READ_MULTI = IDE_CMD_READ_MULTI_RETRY,
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IDE_CMD_READ_MULTI_NORETRY = 0x21,
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IDE_CMD_DRIVE_DIAG = 0x90,
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IDE_CMD_SET_PARAMS = 0x91,
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IDE_CMD_STANDBY_IMMEDIATE = 0x94, /* 2 byte command- also send
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IDE_CMD_STANDBY_IMMEDIATE2 */
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IDE_CMD_SET_MULTIMODE = 0xC6,
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IDE_CMD_STANDBY_IMMEDIATE2 = 0xE0,
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IDE_CMD_GET_INFO = 0xEC
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} ide_command_t;
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#endif /* IDE_H_INCLUDE */
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#define IDE_ERR_ICRC 0x80 /* ATA Ultra DMA bad CRC */
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#define IDE_ERR_BBK 0x80 /* ATA bad block */
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#define IDE_ERR_UNC 0x40 /* ATA uncorrected error */
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#define IDE_ERR_MC 0x20 /* ATA media change */
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#define IDE_ERR_IDNF 0x10 /* ATA id not found */
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#define IDE_ERR_MCR 0x08 /* ATA media change request */
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#define IDE_ERR_ABRT 0x04 /* ATA command aborted */
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#define IDE_ERR_NTK0 0x02 /* ATA track 0 not found */
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#define IDE_ERR_NDAM 0x01 /* ATA address mark not found */
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#define IDE_STATUS_BSY 0x80 /* busy */
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#define IDE_STATUS_RDY 0x40 /* ready */
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#define IDE_STATUS_DF 0x20 /* device fault */
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#define IDE_STATUS_WFT 0x20 /* write fault (old name) */
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#define IDE_STATUS_SKC 0x10 /* seek complete */
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#define IDE_STATUS_DRQ 0x08 /* data request */
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#define IDE_STATUS_CORR 0x04 /* corrected */
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#define IDE_STATUS_IDX 0x02 /* index */
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#define IDE_STATUS_ERR 0x01 /* error (ATA) */
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#define IDE_STATUS_CHK 0x01 /* check (ATAPI) */
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#define IDE_CTRL_HD15 0x08 /* bit should always be set to one */
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#define IDE_CTRL_SRST 0x04 /* soft reset */
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#define IDE_CTRL_NIEN 0x02 /* disable interrupts */
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/* Most mandtory and optional ATA commands (from ATA-3), */
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#define IDE_CMD_CFA_ERASE_SECTORS 0xC0
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#define IDE_CMD_CFA_REQUEST_EXT_ERR_CODE 0x03
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#define IDE_CMD_CFA_TRANSLATE_SECTOR 0x87
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#define IDE_CMD_CFA_WRITE_MULTIPLE_WO_ERASE 0xCD
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#define IDE_CMD_CFA_WRITE_SECTORS_WO_ERASE 0x38
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#define IDE_CMD_CHECK_POWER_MODE1 0xE5
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#define IDE_CMD_CHECK_POWER_MODE2 0x98
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#define IDE_CMD_DEVICE_RESET 0x08
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#define IDE_CMD_EXECUTE_DEVICE_DIAGNOSTIC 0x90
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#define IDE_CMD_FLUSH_CACHE 0xE7
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#define IDE_CMD_FORMAT_TRACK 0x50
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#define IDE_CMD_IDENTIFY_DEVICE 0xEC
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#define IDE_CMD_IDENTIFY_DEVICE_PACKET 0xA1
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#define IDE_CMD_IDENTIFY_PACKET_DEVICE 0xA1
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#define IDE_CMD_IDLE1 0xE3
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#define IDE_CMD_IDLE2 0x97
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#define IDE_CMD_IDLE_IMMEDIATE1 0xE1
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#define IDE_CMD_IDLE_IMMEDIATE2 0x95
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#define IDE_CMD_INITIALIZE_DRIVE_PARAMETERS 0x91
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#define IDE_CMD_INITIALIZE_DEVICE_PARAMETERS 0x91
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#define IDE_CMD_NOP 0x00
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#define IDE_CMD_PACKET 0xA0
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#define IDE_CMD_READ_BUFFER 0xE4
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#define IDE_CMD_READ_DMA 0xC8
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#define IDE_CMD_READ_DMA_QUEUED 0xC7
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#define IDE_CMD_READ_MULTIPLE 0xC4
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#define IDE_CMD_READ_SECTORS 0x20
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#define IDE_CMD_READ_SECTORS_EXT 0x24
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#define IDE_CMD_READ_VERIFY_SECTORS 0x40
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#define IDE_CMD_RECALIBRATE 0x10
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#define IDE_CMD_SEEK 0x70
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#define IDE_CMD_SET_FEATURES 0xEF
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#define IDE_CMD_SET_MAX_ADDR_EXT 0x24
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#define IDE_CMD_SET_MULTIPLE_MODE 0xC6
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#define IDE_CMD_SLEEP1 0xE6
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#define IDE_CMD_SLEEP2 0x99
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#define IDE_CMD_STANDBY1 0xE2
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#define IDE_CMD_STANDBY2 0x96
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#define IDE_CMD_STANDBY_IMMEDIATE1 0xE0
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#define IDE_CMD_STANDBY_IMMEDIATE2 0x94
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#define IDE_CMD_WRITE_BUFFER 0xE8
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#define IDE_CMD_WRITE_DMA 0xCA
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#define IDE_CMD_WRITE_DMA_QUEUED 0xCC
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#define IDE_CMD_WRITE_MULTIPLE 0xC5
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#define IDE_CMD_WRITE_SECTORS 0x30
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#define IDE_CMD_WRITE_VERIFY 0x3C
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/* IDE_CMD_SET_FEATURE sub commands */
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#define IDE_FEATURE_CFA_ENABLE_8BIT_PIO 0x01
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#define IDE_FEATURE_ENABLE_WRITE_CACHE 0x02
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#define IDE_FEATURE_SET_TRANSFER_MODE 0x03
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#define IDE_FEATURE_ENABLE_POWER_MANAGEMENT 0x05
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#define IDE_FEATURE_ENABLE_POWERUP_IN_STANDBY 0x06
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#define IDE_FEATURE_STANDBY_SPINUP_DRIVE 0x07
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#define IDE_FEATURE_CFA_ENABLE_POWER_MODE1 0x0A
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#define IDE_FEATURE_DISABLE_MEDIA_STATUS_NOTIFICATION 0x31
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#define IDE_FEATURE_ENABLE_AUTOMATIC_ACOUSTIC_MANAGEMENT 0x42
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#define IDE_FEATURE_SET_MAXIMUM_HOST_INTERFACE_SECTOR_TIMES 0x43
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#define IDE_FEATURE_DISABLE_READ_LOOKAHEAD 0x55
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#define IDE_FEATURE_ENABLE_RELEASE_INTERRUPT 0x5D
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#define IDE_FEATURE_ENABLE_SERVICE_INTERRUPT 0x5E
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#define IDE_FEATURE_DISABLE_REVERTING_TO_POWERON_DEFAULTS 0x66
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#define IDE_FEATURE_CFA_DISABLE_8BIT_PIO 0x81
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#define IDE_FEATURE_DISABLE_WRITE_CACHE 0x82
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#define IDE_FEATURE_DISABLE_POWER_MANAGEMENT 0x85
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#define IDE_FEATURE_DISABLE_POWERUP_IN_STANDBY 0x86
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#define IDE_FEATURE_CFA_DISABLE_POWER_MODE1 0x8A
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#define IDE_FEATURE_ENABLE_MEDIA_STATUS_NOTIFICATION 0x95
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#define IDE_FEATURE_ENABLE_READ_LOOKAHEAD 0xAA
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#define IDE_FEATURE_DISABLE_AUTOMATIC_ACOUSTIC_MANAGEMENT 0xC2
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#define IDE_FEATURE_ENABLE_REVERTING_TO_POWERON_DEFAULTS 0xCC
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#define IDE_FEATURE_DISABLE_SERVICE_INTERRUPT 0xDE
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#define NUM_HD (4)
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#define SECTOR_SIZE 512
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#define SECTOR_SHIFT 9
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/* Maximum block_size that may be set. */
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#define DISK_BUFFER_SIZE (18 * SECTOR_SIZE)
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extern struct harddisk_info harddisk_info[NUM_HD];
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extern int ide_init(void);
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extern int ide_read_sector(int driveno, void * buf, unsigned int sector,
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int byte_offset, int n_bytes);
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