From 7be870acd360345f0a891114195a32201c8dedd3 Mon Sep 17 00:00:00 2001 From: Michael Brown Date: Fri, 17 Mar 2006 14:14:36 +0000 Subject: More purging --- src/drivers/disk/ide_disk.c | 892 -------------------------------------------- 1 file changed, 892 deletions(-) delete mode 100644 src/drivers/disk/ide_disk.c (limited to 'src/drivers/disk/ide_disk.c') diff --git a/src/drivers/disk/ide_disk.c b/src/drivers/disk/ide_disk.c deleted file mode 100644 index c46ca1363..000000000 --- a/src/drivers/disk/ide_disk.c +++ /dev/null @@ -1,892 +0,0 @@ -#include "etherboot.h" -#include "timer.h" -#include "pci.h" -#include "isa.h" -#include "disk.h" - -#define BSY_SET_DURING_SPINUP 1 -/* - * 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 - * - * - */ -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(base) ((ctrl)->cmd_base + 0u) /* word register */ -#define IDE_REG_ERROR(base) ((ctrl)->cmd_base + 1u) -#define IDE_REG_PRECOMP(base) ((ctrl)->cmd_base + 1u) -#define IDE_REG_FEATURE(base) ((ctrl)->cmd_base + 1u) -#define IDE_REG_SECTOR_COUNT(base) ((ctrl)->cmd_base + 2u) -#define IDE_REG_SECTOR_NUMBER(base) ((ctrl)->cmd_base + 3u) -#define IDE_REG_LBA_LOW(base) ((ctrl)->cmd_base + 3u) -#define IDE_REG_CYLINDER_LSB(base) ((ctrl)->cmd_base + 4u) -#define IDE_REG_LBA_MID(base) ((ctrl)->cmd_base + 4u) -#define IDE_REG_CYLINDER_MSB(base) ((ctrl)->cmd_base + 5u) -#define IDE_REG_LBA_HIGH(base) ((ctrl)->cmd_base + 5u) -#define IDE_REG_DRIVEHEAD(base) ((ctrl)->cmd_base + 6u) -#define IDE_REG_DEVICE(base) ((ctrl)->cmd_base + 6u) -#define IDE_REG_STATUS(base) ((ctrl)->cmd_base + 7u) -#define IDE_REG_COMMAND(base) ((ctrl)->cmd_base + 7u) -#define IDE_REG_ALTSTATUS(base) ((ctrl)->ctrl_base + 2u) -#define IDE_REG_DEVICE_CONTROL(base) ((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 - - - -struct controller controller; -struct harddisk_info harddisk_info[2]; - -static int await_ide(int (*done)(struct controller *ctrl), - struct controller *ctrl, unsigned long timeout) -{ - int result; - for(;;) { - result = done(ctrl); - if (result) { - return 0; - } - poll_interruptions(); - if ((timeout == 0) || (currticks() > timeout)) { - break; - } - } - return -1; -} - -/* The maximum time any IDE command can last 31 seconds, - * So if any IDE commands takes this long we know we have problems. - */ -#define IDE_TIMEOUT (32*TICKS_PER_SEC) - -static int not_bsy(struct controller *ctrl) -{ - return !(inb(IDE_REG_STATUS(ctrl)) & IDE_STATUS_BSY); -} -#if !BSY_SET_DURING_SPINUP -static int timeout(struct controller *ctrl) -{ - return 0; -} -#endif - -static int ide_software_reset(struct controller *ctrl) -{ - /* Wait a little bit in case this is immediately after - * hardware reset. - */ - mdelay(2); - /* A software reset should not be delivered while the bsy bit - * is set. If the bsy bit does not clear in a reasonable - * amount of time give up. - */ - if (await_ide(not_bsy, ctrl, currticks() + IDE_TIMEOUT) < 0) { - return -1; - } - - /* Disable Interrupts and reset the ide bus */ - outb(IDE_CTRL_HD15 | IDE_CTRL_SRST | IDE_CTRL_NIEN, - IDE_REG_DEVICE_CONTROL(ctrl)); - udelay(5); - outb(IDE_CTRL_HD15 | IDE_CTRL_NIEN, IDE_REG_DEVICE_CONTROL(ctrl)); - mdelay(2); - if (await_ide(not_bsy, ctrl, currticks() + IDE_TIMEOUT) < 0) { - return -1; - } - return 0; -} - -static void pio_set_registers( - struct controller *ctrl, const struct ide_pio_command *cmd) -{ - uint8_t device; - /* Disable Interrupts */ - outb(IDE_CTRL_HD15 | IDE_CTRL_NIEN, IDE_REG_DEVICE_CONTROL(ctrl)); - - /* Possibly switch selected device */ - device = inb(IDE_REG_DEVICE(ctrl)); - outb(cmd->device, IDE_REG_DEVICE(ctrl)); - if ((device & (1UL << 4)) != (cmd->device & (1UL << 4))) { - /* Allow time for the selected drive to switch, - * The linux ide code suggests 50ms is the right - * amount of time to use here. - */ - mdelay(50); - } - outb(cmd->feature, IDE_REG_FEATURE(ctrl)); - outb(cmd->sector_count2, IDE_REG_SECTOR_COUNT(ctrl)); - outb(cmd->sector_count, IDE_REG_SECTOR_COUNT(ctrl)); - outb(cmd->lba_low2, IDE_REG_LBA_LOW(ctrl)); - outb(cmd->lba_low, IDE_REG_LBA_LOW(ctrl)); - outb(cmd->lba_mid2, IDE_REG_LBA_MID(ctrl)); - outb(cmd->lba_mid, IDE_REG_LBA_MID(ctrl)); - outb(cmd->lba_high2, IDE_REG_LBA_HIGH(ctrl)); - outb(cmd->lba_high, IDE_REG_LBA_HIGH(ctrl)); - outb(cmd->command, IDE_REG_COMMAND(ctrl)); -} - - -static int pio_non_data(struct controller *ctrl, const struct ide_pio_command *cmd) -{ - /* Wait until the busy bit is clear */ - if (await_ide(not_bsy, ctrl, currticks() + IDE_TIMEOUT) < 0) { - return -1; - } - - pio_set_registers(ctrl, cmd); - if (await_ide(not_bsy, ctrl, currticks() + IDE_TIMEOUT) < 0) { - return -1; - } - /* FIXME is there more error checking I could do here? */ - return 0; -} - -static int pio_data_in(struct controller *ctrl, const struct ide_pio_command *cmd, - void *buffer, size_t bytes) -{ - unsigned int status; - - /* FIXME handle commands with multiple blocks */ - /* Wait until the busy bit is clear */ - if (await_ide(not_bsy, ctrl, currticks() + IDE_TIMEOUT) < 0) { - return -1; - } - - /* How do I tell if INTRQ is asserted? */ - pio_set_registers(ctrl, cmd); - if (await_ide(not_bsy, ctrl, currticks() + IDE_TIMEOUT) < 0) { - return -1; - } - status = inb(IDE_REG_STATUS(ctrl)); - if (!(status & IDE_STATUS_DRQ)) { - return -1; - } - insw(IDE_REG_DATA(ctrl), buffer, bytes/2); - status = inb(IDE_REG_STATUS(ctrl)); - if (status & IDE_STATUS_DRQ) { - return -1; - } - return 0; -} - -#if 0 -static int pio_packet(struct controller *ctrl, int in, - const void *packet, int packet_len, - void *buffer, int buffer_len) -{ - const uint8_t *pbuf; - unsigned int status; - struct ide_pio_command cmd; - memset(&cmd, 0, sizeof(cmd)); - - /* Wait until the busy bit is clear */ - if (await_ide(not_bsy, ctrl, currticks() + IDE_TIMEOUT) < 0) { - return -1; - } - pio_set_registers(ctrl, cmd); - ndelay(400); - if (await_ide(not_bsy, ctrl, currticks() + IDE_TIMEOUT) < 0) { - return -1; - } - status = inb(IDE_REG_STATUS(ctrl)); - if (!(status & IDE_STATUS_DRQ)) { - return -1; - } - while(packet_len > 1) { - outb(*pbuf, IDE_REG_DATA(ctrl)); - pbuf++; - packet_len -= 1; - } - inb(IDE_REG_ALTSTATUS(ctrl)); - if (await_ide){} - /*FIXME finish this function */ - - -} -#endif - -static inline int ide_read_sector_chs( - struct harddisk_info *info, void *buffer, unsigned long sector) -{ - struct ide_pio_command cmd; - unsigned int track; - unsigned int offset; - unsigned int cylinder; - - memset(&cmd, 0, sizeof(cmd)); - cmd.sector_count = 1; - - track = sector / info->sectors_per_track; - /* Sector number */ - offset = 1 + (sector % info->sectors_per_track); - cylinder = track / info->heads; - cmd.lba_low = offset; - cmd.lba_mid = cylinder & 0xff; - cmd.lba_high = (cylinder >> 8) & 0xff; - cmd.device = IDE_DH_DEFAULT | - IDE_DH_HEAD(track % info->heads) | - info->slave | - IDE_DH_CHS; - cmd.command = IDE_CMD_READ_SECTORS; - return pio_data_in(info->ctrl, &cmd, buffer, IDE_SECTOR_SIZE); -} - -static inline int ide_read_sector_lba( - struct harddisk_info *info, void *buffer, unsigned long sector) -{ - struct ide_pio_command cmd; - memset(&cmd, 0, sizeof(cmd)); - - cmd.sector_count = 1; - cmd.lba_low = sector & 0xff; - cmd.lba_mid = (sector >> 8) & 0xff; - cmd.lba_high = (sector >> 16) & 0xff; - cmd.device = IDE_DH_DEFAULT | - ((sector >> 24) & 0x0f) | - info->slave | - IDE_DH_LBA; - cmd.command = IDE_CMD_READ_SECTORS; - return pio_data_in(info->ctrl, &cmd, buffer, IDE_SECTOR_SIZE); -} - -static inline int ide_read_sector_lba48( - struct harddisk_info *info, void *buffer, sector_t sector) -{ - struct ide_pio_command cmd; - memset(&cmd, 0, sizeof(cmd)); - - cmd.sector_count = 1; - cmd.lba_low = sector & 0xff; - cmd.lba_mid = (sector >> 8) & 0xff; - cmd.lba_high = (sector >> 16) & 0xff; - cmd.lba_low2 = (sector >> 24) & 0xff; - cmd.lba_mid2 = (sector >> 32) & 0xff; - cmd.lba_high2 = (sector >> 40) & 0xff; - cmd.device = info->slave | IDE_DH_LBA; - cmd.command = IDE_CMD_READ_SECTORS_EXT; - return pio_data_in(info->ctrl, &cmd, buffer, IDE_SECTOR_SIZE); -} - - -static int ide_read(struct disk *disk, sector_t sector) -{ - struct harddisk_info *info = disk->priv; - int result; - - /* Report the buffer is empty */ - disk->sector = 0; - disk->bytes = 0; - if (sector > info->sectors) { - return -1; - } - if (info->address_mode == ADDRESS_MODE_CHS) { - result = ide_read_sector_chs(info, disk->buffer, sector); - } - else if (info->address_mode == ADDRESS_MODE_LBA) { - result = ide_read_sector_lba(info, disk->buffer, sector); - } - else if (info->address_mode == ADDRESS_MODE_LBA48) { - result = ide_read_sector_lba48(info, disk->buffer, sector); - } - else { - result = -1; - } - /* On success report the buffer has data */ - if (result != -1) { - disk->bytes = IDE_SECTOR_SIZE; - disk->sector = sector; - } - return result; -} - -static int init_drive(struct harddisk_info *info, struct controller *ctrl, int slave, - int basedrive, unsigned char *buffer) -{ - uint16_t* drive_info; - struct ide_pio_command cmd; - int i; - - info->ctrl = ctrl; - info->heads = 0u; - info->cylinders = 0u; - info->sectors_per_track = 0u; - info->address_mode = IDE_DH_CHS; - info->sectors = 0ul; - info->drive_exists = 0; - info->slave_absent = 0; - info->slave = slave?IDE_DH_SLAVE: IDE_DH_MASTER; - info->basedrive = basedrive; - -#if 0 - printf("Testing for disk %d\n", info->basedrive); -#endif - - /* Select the drive that we are testing */ - outb(IDE_DH_DEFAULT | IDE_DH_HEAD(0) | IDE_DH_CHS | info->slave, - IDE_REG_DEVICE(ctrl)); - mdelay(50); - - /* Test to see if the drive registers exist, - * In many cases this quickly rules out a missing drive. - */ - for(i = 0; i < 4; i++) { - outb(0xaa + i, (ctrl->cmd_base) + 2 + i); - } - for(i = 0; i < 4; i++) { - if (inb((ctrl->cmd_base) + 2 + i) != 0xaa + i) { - return 1; - } - } - for(i = 0; i < 4; i++) { - outb(0x55 + i, (ctrl->cmd_base) + 2 + i); - } - for(i = 0; i < 4; i++) { - if (inb((ctrl->cmd_base) + 2 + i) != 0x55 + i) { - return 1; - } - } -#if 0 - printf("Probing for disk %d\n", info->basedrive); -#endif - - memset(&cmd, 0, sizeof(cmd)); - cmd.device = IDE_DH_DEFAULT | IDE_DH_HEAD(0) | IDE_DH_CHS | info->slave; - cmd.command = IDE_CMD_IDENTIFY_DEVICE; - - - if (pio_data_in(ctrl, &cmd, buffer, IDE_SECTOR_SIZE) < 0) { - /* Well, if that command didn't work, we probably don't have drive. */ - return 1; - } - - - /* Now suck the data out */ - drive_info = (uint16_t *)buffer; - if (drive_info[2] == 0x37C8) { - /* If the response is incomplete spin up the drive... */ - memset(&cmd, 0, sizeof(cmd)); - cmd.device = IDE_DH_DEFAULT | IDE_DH_HEAD(0) | IDE_DH_CHS | - info->slave; - cmd.feature = IDE_FEATURE_STANDBY_SPINUP_DRIVE; - if (pio_non_data(ctrl, &cmd) < 0) { - /* If the command doesn't work give up on the drive */ - return 1; - } - - } - if ((drive_info[2] == 0x37C8) || (drive_info[2] == 0x8C73)) { - /* The response is incomplete retry the drive info command */ - memset(&cmd, 0, sizeof(cmd)); - cmd.device = IDE_DH_DEFAULT | IDE_DH_HEAD(0) | IDE_DH_CHS | - info->slave; - cmd.command = IDE_CMD_IDENTIFY_DEVICE; - if(pio_data_in(ctrl, &cmd, buffer, IDE_SECTOR_SIZE) < 0) { - /* If the command didn't work give up on the drive. */ - return 1; - } - } - if ((drive_info[2] != 0x37C8) && - (drive_info[2] != 0x738C) && - (drive_info[2] != 0x8C73) && - (drive_info[2] != 0xC837) && - (drive_info[2] != 0x0000)) { - printf("Invalid IDE Configuration: %hx\n", drive_info[2]); - return 1; - } - for(i = 27; i < 47; i++) { - info->model_number[((i-27)<< 1)] = (drive_info[i] >> 8) & 0xff; - info->model_number[((i-27)<< 1)+1] = drive_info[i] & 0xff; - } - info->model_number[40] = '\0'; - info->drive_exists = 1; - - /* See if LBA is supported */ - if (drive_info[49] & (1 << 9)) { - info->address_mode = ADDRESS_MODE_LBA; - info->sectors = (drive_info[61] << 16) | (drive_info[60]); - /* Enable LBA48 mode if it is present */ - if (drive_info[83] & (1 <<10)) { - /* Should LBA48 depend on LBA? */ - printf("LBA48 mode\n"); - info->address_mode = ADDRESS_MODE_LBA48; - info->sectors = - (((sector_t)drive_info[103]) << 48) | - (((sector_t)drive_info[102]) << 32) | - (((sector_t)drive_info[101]) << 16) | - (((sector_t)drive_info[100]) << 0); - } - } else { - info->address_mode = ADDRESS_MODE_CHS; - info->heads = drive_info[3]; - info->cylinders = drive_info[1]; - info->sectors_per_track = drive_info[6]; - info->sectors = - info->sectors_per_track * - info->heads * - info->cylinders; - printf( "%s sectors_per_track=[%d], heads=[%d], cylinders=[%d]\n", - __FUNCTION__, - info->sectors_per_track, - info->heads, - info->cylinders); - } - /* See if we have a slave */ - if (!info->slave && (((drive_info[93] >> 14) & 3) == 1)) { - info->slave_absent = !(drive_info[93] & (1 << 5)); - } - /* See if we need to put the device in CFA power mode 1 */ - if ((drive_info[160] & ((1 << 15) | (1 << 13)| (1 << 12))) == - ((1 << 15) | (1 << 13)| (1 << 12))) { - memset(&cmd, 0, sizeof(cmd)); - cmd.device = IDE_DH_DEFAULT | IDE_DH_HEAD(0) | IDE_DH_CHS | info->slave; - cmd.feature = IDE_FEATURE_CFA_ENABLE_POWER_MODE1; - if (pio_non_data(ctrl, &cmd) < 0) { - /* If I need to power up the drive, and I can't - * give up. - */ - printf("Cannot power up CFA device\n"); - return 1; - } - } - printf("disk%d %dk cap: %hx\n", - info->basedrive, - (unsigned long)(info->sectors >> 1), - drive_info[49]); - return 0; -} - -static int init_controller(struct controller *ctrl, int basedrive, unsigned char *buffer) -{ - struct harddisk_info *info; - - /* Intialize the harddisk_info structures */ - memset(harddisk_info, 0, sizeof(harddisk_info)); - - /* Put the drives ide channel in a know state and wait - * for the drives to spinup. - * - * In practice IDE disks tend not to respond to commands until - * they have spun up. This makes IDE hard to deal with - * immediately after power up, as the delays can be quite - * long, so we must be very careful here. - * - * There are two pathological cases that must be dealt with: - * - * - The BSY bit not being set while the IDE drives spin up. - * In this cases only a hard coded delay will work. As - * I have not reproduced it, and this is out of spec for - * IDE drives the work around can be enabled by setting - * BSY_SET_DURING_SPINUP to 0. - * - * - The BSY bit floats high when no drives are plugged in. - * This case will not be detected except by timing out but - * we avoid the problems by only probing devices we are - * supposed to boot from. If we don't do the probe we - * will not experience the problem. - * - * So speed wise I am only slow if the BSY bit is not set - * or not reported by the IDE controller during spinup, which - * is quite rare. - * - */ -#if !BSY_SET_DURING_SPINUP - if (await_ide(timeout, ctrl, IDE_TIMEOUT) < 0) { - return -1; - } -#endif - if (ide_software_reset(ctrl) < 0) { - return -1; - } - - /* Note: I have just done a software reset. It may be - * reasonable to just read the boot time signatures - * off of the drives to see if they are present. - * - * For now I will go with just sending commands to the drives - * and assuming filtering out missing drives by detecting registers - * that won't set and commands that fail to execute properly. - */ - - /* Now initialize the individual drives */ - info = &harddisk_info[0]; - init_drive(info, ctrl, 0, basedrive, buffer); - if (info->drive_exists && !info->slave_absent) { - basedrive++; - info++; - init_drive(info, ctrl, 1, basedrive, buffer); - } - - return 0; -} - -static void ide_disable(struct dev *dev) -{ - struct disk *disk = (struct disk *)dev; - struct harddisk_info *info = disk->priv; - ide_software_reset(info->ctrl); -} - -static int ide_pci_probe(struct dev *dev, struct pci_device *pci) -{ - struct disk *disk = (struct disk *)dev; - struct harddisk_info *info; - int index; - - adjust_pci_device(pci); - - index = dev->index + 1; - if (dev->how_probe == PROBE_NEXT) { - index++; - } - for(; index < 4; index++) { - unsigned mask; - mask = (index < 2)? (1 << 0) : (1 << 2); - if ((pci->class & mask) == 0) { - /* IDE special pci mode */ - uint16_t base; - base = (index < 2)?IDE_BASE0:IDE_BASE1; - controller.cmd_base = base; - controller.ctrl_base = base + IDE_REG_EXTENDED_OFFSET; - } else { - /* IDE normal pci mode */ - unsigned cmd_reg, ctrl_reg; - uint32_t cmd_base, ctrl_base; - if (index < 2) { - cmd_reg = PCI_BASE_ADDRESS_0; - ctrl_reg = PCI_BASE_ADDRESS_1; - } else { - cmd_reg = PCI_BASE_ADDRESS_2; - ctrl_reg = PCI_BASE_ADDRESS_3; - } - pcibios_read_config_dword(pci->bus, pci->devfn, cmd_reg, &cmd_base); - pcibios_read_config_dword(pci->bus, pci->devfn, ctrl_reg, &ctrl_base); - controller.cmd_base = cmd_base & ~3; - controller.ctrl_base = ctrl_base & ~3; - } - if (((index & 1) == 0) || (dev->how_probe == PROBE_AWAKE)) { - if (init_controller(&controller, disk->drive, disk->buffer) < 0) { - /* nothing behind the controller */ - continue; - } - } - info = &harddisk_info[index & 1]; - if (!info->drive_exists) { - /* unknown drive */ - continue; - } - disk->hw_sector_size = IDE_SECTOR_SIZE; - disk->sectors_per_read = 1; - disk->sectors = info->sectors; - dev->index = index; - dev->disable = ide_disable; - disk->read = ide_read; - disk->priv = info; - - return 1; - } - /* past all of the drives */ - dev->index = 0; - return 0; -} -#define PCI_DEVICE_ID_INTEL_82801CA_11 0x248b -static struct pci_id ide_controllers[] = { - PCI_ROM(0x0000, 0x0000, "ide_disk", "Generic IDE disk support"), -/* { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_11, "PIIX4" },*/ -#if 0 /* Currently I don't need any entries in this table so ignore it */ -{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371FB_0, "PIIX" }, -{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371FB_1, "PIIX" }, -{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371MX, "MPIIX" }, -{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371SB_1, "PIIX3" }, -{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB, "PIIX4" }, -{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_1, "PIIX4" }, -{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82443MX_1, "PIIX4" }, -{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_1, "PIIX4" }, -{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82372FB_1, "PIIX4" }, -{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82451NX, "PIIX4" }, -{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_9, "PIIX4" }, -{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_8, "PIIX4" }, -{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_10, "PIIX4" }, -{ PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C561, "VIA_IDE" }, -{ PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C576_1, "VP_IDE" }, -{ PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_1, "VP_IDE" }, -{ PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20246, "PDC20246" }, -{ PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20262, "PDC20262" }, -{ PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20265, "PDC20265" }, -{ PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20267, "PDC20267" }, -{ PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20268, "PDC20268" }, -{ PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20268R, "PDC20268" }, -{ PCI_VENDOR_ID_PCTECH, PCI_DEVICE_ID_PCTECH_RZ1000, "RZ1000" }, -{ PCI_VENDOR_ID_PCTECH, PCI_DEVICE_ID_PCTECH_RZ1001, "RZ1001" }, -{ PCI_VENDOR_ID_PCTECH, PCI_DEVICE_ID_PCTECH_SAMURAI_IDE, "SAMURAI" }, -{ PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_CMD_640, "CMD640" }, -{ PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_CMD_643, "CMD646" }, -{ PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_CMD_646, "CMD648" }, -{ PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_CMD_648, "CMD643" }, -{ PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_CMD_649, "CMD649" }, -{ PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_5513, "SIS5513" }, -{ PCI_VENDOR_ID_OPTI, PCI_DEVICE_ID_OPTI_82C621, "OPTI621" }, -{ PCI_VENDOR_ID_OPTI, PCI_DEVICE_ID_OPTI_82C558, "OPTI621V" }, -{ PCI_VENDOR_ID_OPTI, PCI_DEVICE_ID_OPTI_82C825, "OPTI621X" }, -{ PCI_VENDOR_ID_TEKRAM, PCI_DEVICE_ID_TEKRAM_DC290, "TRM290" }, -{ PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87410, "NS87410" }, -{ PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87415, "NS87415" }, -{ PCI_VENDOR_ID_HOLTEK2, PCI_DEVICE_ID_HOLTEK2_6565, "HT6565" }, -{ PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP850UF, "AEC6210" }, -{ PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP860, "AEC6260" }, -{ PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP860R, "AEC6260R" }, -{ PCI_VENDOR_ID_WINBOND, PCI_DEVICE_ID_WINBOND_82C105, "W82C105" }, -{ PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8673F, "UM8673F" }, -{ PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886A, "UM8886A" }, -{ PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886BF, "UM8886BF" }, -{ PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT343, "HPT34X" }, -{ PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT366, "HPT366" }, -{ PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M5229, "ALI15X3" }, -{ PCI_VENDOR_ID_CONTAQ, PCI_DEVICE_ID_CONTAQ_82C693, "CY82C693" }, -{ 0x3388, 0x8013, "HINT_IDE" }, -{ PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5530_IDE, "CS5530" }, -{ PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_COBRA_7401, "AMD7401" }, -{ PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_VIPER_7409, "AMD7409" }, -{ PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_VIPER_7411, "AMD7411" }, -{ PCI_VENDOR_ID_PDC, PCI_DEVICE_ID_PDC_1841, "PDCADMA" }, -{ PCI_VENDOR_ID_EFAR, PCI_DEVICE_ID_EFAR_SLC90E66_1, "SLC90E66" }, -{ PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_OSB4IDE, "OSB4" }, -{ PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, "OSB5" }, -{ PCI_VENDOR_ID_ITE, PCI_DEVICE_ID_ITE_IT8172G, "ITE8172G" }, -#endif -}; - -static struct pci_driver ide_driver __pci_driver = { - .type = DISK_DRIVER, - .name = "IDE", - .probe = ide_pci_probe, - .ids = ide_controllers, - .id_count = sizeof(ide_controllers)/sizeof(ide_controllers), - .class = PCI_CLASS_STORAGE_IDE, -}; - -/* The isa driver works but it causes disks to show up twice. - * comment it out for now. - */ -#if 0 -static int ide_isa_probe(struct dev * dev, unsigned short *probe_addrs) -{ - struct disk *disk = (struct disk *)dev; - int index; - unsigned short addr; - struct harddisk_info *info; - - index = dev->index +1; - if (dev->how_probe == PROBE_AWAKE) { - index--; - } - for(; (index >= 0) && (addr = probe_addrs[index >> 1]); index += 2) { - if ((index & 1) == 0) { - controller.cmd_base = addr; - controller.ctrl_base = addr + IDE_REG_EXTENDED_OFFSET; - if (init_controller(&controller, disk->drive, disk->buffer) < 0) { - /* nothing behind the controller */ - continue; - } - } - info = &harddisk_info[index & 1]; - if (!info->drive_exists) { - /* unknown drive */ - return 0; - } - disk->sectors_per_read = 1; - disk->sectors = info->sectors; - dev->index = index; - dev->disable = ide_disable; - disk->read = ide_read; - disk->priv = info; - - return 1; - } - /* past all of the drives */ - dev->index = -1; - return 0; -} - -static unsigned short ide_base[] = { - IDE_BASE0, - IDE_BASE1, - IDE_BASE2, - IDE_BASE3, - 0 -}; -static struct isa_driver ide_isa_driver __isa_driver = { - .type = DISK_DRIVER, - .name = "IDE/ISA", - .probe = ide_isa_probe, - .ioaddrs = ide_base, -}; - -#endif -- cgit v1.2.3-55-g7522