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Give ATA device a bit more time on first try in order to allow disks

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to spin up.

	* grub-core/disk/ata.c (grub_atapi_identify): Use GRUB_ATA_TOUT_DEV_INIT
	if dev->present is 1. Reset dev->present on failure.
	(grub_ata_device_initialize): Set dev->present to 1.
	* include/grub/ata.h (GRUB_ATA_TOUT_DEV_INIT): New value.
	(grub_ata_device): New member 'present'.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-05-13 21:41:18 +02:00
parent bda0e21993
commit 36084912c0
3 changed files with 40 additions and 11 deletions
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11
ChangeLog
View file

@ -1,3 +1,14 @@
2011-05-13 Vladimir Serbinenko <phcoder@gmail.com>
Give ATA device a bit more time on first try in order to allow disks
to spin up.
* grub-core/disk/ata.c (grub_atapi_identify): Use GRUB_ATA_TOUT_DEV_INIT
if dev->present is 1. Reset dev->present on failure.
(grub_ata_device_initialize): Set dev->present to 1.
* include/grub/ata.h (GRUB_ATA_TOUT_DEV_INIT): New value.
(grub_ata_device): New member 'present'.
2011-05-13 Vladimir Serbinenko <phcoder@gmail.com>
* util/grub-mkimage.c (generate_image): Update hash.

35
grub-core/disk/ata.c
View file

@ -160,18 +160,23 @@ grub_atapi_identify (struct grub_ata_device *dev)
grub_ata_regset (dev, GRUB_ATA_REG_DISK, 0xE0 | dev->device << 4);
grub_ata_wait ();
if (grub_ata_check_ready (dev))
if ((grub_ata_regget (dev, GRUB_ATA_REG_STATUS) & GRUB_ATA_STATUS_BUSY)
&& grub_ata_wait_not_busy (dev, dev->present ? GRUB_ATA_TOUT_DEV_INIT
: GRUB_ATA_TOUT_STD))
{
grub_free (info);
dev->present = 0;
return grub_errno;
}
grub_ata_regset (dev, GRUB_ATA_REG_CMD, GRUB_ATA_CMD_IDENTIFY_PACKET_DEVICE);
grub_ata_wait ();
if (grub_ata_wait_drq (dev, 0, GRUB_ATA_TOUT_STD))
if (grub_ata_wait_drq (dev, 0, dev->present ? GRUB_ATA_TOUT_DEV_INIT
: GRUB_ATA_TOUT_STD))
{
grub_free (info);
dev->present = 0;
return grub_errno;
}
grub_ata_pio_read (dev, info, GRUB_DISK_SECTOR_SIZE);
@ -258,8 +263,11 @@ grub_ata_identify (struct grub_ata_device *dev)
grub_ata_regset (dev, GRUB_ATA_REG_DISK, 0xE0 | dev->device << 4);
grub_ata_wait ();
if (grub_ata_check_ready (dev))
if ((grub_ata_regget (dev, GRUB_ATA_REG_STATUS) & GRUB_ATA_STATUS_BUSY)
&& grub_ata_wait_not_busy (dev, dev->present ? GRUB_ATA_TOUT_DEV_INIT
: GRUB_ATA_TOUT_STD))
{
dev->present = 0;
grub_free (info);
return grub_errno;
}
@ -267,7 +275,8 @@ grub_ata_identify (struct grub_ata_device *dev)
grub_ata_regset (dev, GRUB_ATA_REG_CMD, GRUB_ATA_CMD_IDENTIFY_DEVICE);
grub_ata_wait ();
if (grub_ata_wait_drq (dev, 0, GRUB_ATA_TOUT_STD))
if (grub_ata_wait_drq (dev, 0, dev->present ? GRUB_ATA_TOUT_DEV_INIT
: GRUB_ATA_TOUT_STD))
{
grub_free (info);
grub_errno = GRUB_ERR_NONE;
@ -280,13 +289,18 @@ grub_ata_identify (struct grub_ata_device *dev)
return grub_atapi_identify (dev);
else if (sts == 0x00)
/* No device, return error but don't print message. */
return GRUB_ERR_UNKNOWN_DEVICE;
{
dev->present = 0;
/* No device, return error but don't print message. */
return GRUB_ERR_UNKNOWN_DEVICE;
}
else
/* Other Error. */
return grub_error (GRUB_ERR_UNKNOWN_DEVICE,
"device cannot be identified");
{
dev->present = 0;
/* Other Error. */
return grub_error (GRUB_ERR_UNKNOWN_DEVICE,
"device cannot be identified");
}
}
grub_ata_pio_read (dev, info, GRUB_DISK_SECTOR_SIZE);
@ -381,6 +395,7 @@ grub_ata_device_initialize (int port, int device, int addr, int addr2)
dev->device = device;
dev->ioaddress = addr + GRUB_MACHINE_PCI_IO_BASE;
dev->ioaddress2 = addr2 + GRUB_MACHINE_PCI_IO_BASE;
dev->present = 1;
dev->next = NULL;
/* Register the device. */

5
include/grub/ata.h
View file

@ -94,7 +94,8 @@ enum grub_ata_commands
enum grub_ata_timeout_milliseconds
{
GRUB_ATA_TOUT_STD = 1000, /* 1s standard timeout. */
GRUB_ATA_TOUT_DATA = 10000 /* 10s DATA I/O timeout. */
GRUB_ATA_TOUT_DATA = 10000, /* 10s DATA I/O timeout. */
GRUB_ATA_TOUT_DEV_INIT = 10000, /* Give the device 10s on first try to spinon. */
};
struct grub_ata_device
@ -128,6 +129,8 @@ struct grub_ata_device
/* Set to 0 for ATA, set to 1 for ATAPI. */
int atapi;
int present;
struct grub_ata_device *next;
};