hpt366: change timing register masks
Since PIO autotuning is now done always, there's no need anymore to program the taskfile timings also on DMA modes, so change the IDE timing register masks accordingly, "inverting the polarity" of the masks while at it... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
parent
b5e1a4e286
commit
ceb1b2c583
|
@ -1,5 +1,5 @@
|
||||||
/*
|
/*
|
||||||
* linux/drivers/ide/pci/hpt366.c Version 1.22 Dec 4, 2007
|
* linux/drivers/ide/pci/hpt366.c Version 1.23 Dec 7, 2007
|
||||||
*
|
*
|
||||||
* Copyright (C) 1999-2003 Andre Hedrick <andre@linux-ide.org>
|
* Copyright (C) 1999-2003 Andre Hedrick <andre@linux-ide.org>
|
||||||
* Portions Copyright (C) 2001 Sun Microsystems, Inc.
|
* Portions Copyright (C) 2001 Sun Microsystems, Inc.
|
||||||
|
@ -689,19 +689,17 @@ static void hpt36x_set_mode(ide_drive_t *drive, const u8 speed)
|
||||||
struct hpt_info *info = pci_get_drvdata(dev);
|
struct hpt_info *info = pci_get_drvdata(dev);
|
||||||
u8 itr_addr = drive->dn ? 0x44 : 0x40;
|
u8 itr_addr = drive->dn ? 0x44 : 0x40;
|
||||||
u32 old_itr = 0;
|
u32 old_itr = 0;
|
||||||
u32 itr_mask, new_itr;
|
u32 new_itr = get_speed_setting(speed, info);
|
||||||
|
u32 itr_mask = speed < XFER_MW_DMA_0 ? 0xc1f8ffff :
|
||||||
itr_mask = speed < XFER_MW_DMA_0 ? 0x30070000 :
|
(speed < XFER_UDMA_0 ? 0x303800ff :
|
||||||
(speed < XFER_UDMA_0 ? 0xc0070000 : 0xc03800ff);
|
0x30070000);
|
||||||
|
|
||||||
new_itr = get_speed_setting(speed, info);
|
|
||||||
|
|
||||||
|
pci_read_config_dword(dev, itr_addr, &old_itr);
|
||||||
|
new_itr = (old_itr & ~itr_mask) | (new_itr & itr_mask);
|
||||||
/*
|
/*
|
||||||
* Disable on-chip PIO FIFO/buffer (and PIO MST mode as well)
|
* Disable on-chip PIO FIFO/buffer (and PIO MST mode as well)
|
||||||
* to avoid problems handling I/O errors later
|
* to avoid problems handling I/O errors later
|
||||||
*/
|
*/
|
||||||
pci_read_config_dword(dev, itr_addr, &old_itr);
|
|
||||||
new_itr = (new_itr & ~itr_mask) | (old_itr & itr_mask);
|
|
||||||
new_itr &= ~0xc0000000;
|
new_itr &= ~0xc0000000;
|
||||||
|
|
||||||
pci_write_config_dword(dev, itr_addr, new_itr);
|
pci_write_config_dword(dev, itr_addr, new_itr);
|
||||||
|
@ -714,16 +712,14 @@ static void hpt37x_set_mode(ide_drive_t *drive, const u8 speed)
|
||||||
struct hpt_info *info = pci_get_drvdata(dev);
|
struct hpt_info *info = pci_get_drvdata(dev);
|
||||||
u8 itr_addr = 0x40 + (drive->dn * 4);
|
u8 itr_addr = 0x40 + (drive->dn * 4);
|
||||||
u32 old_itr = 0;
|
u32 old_itr = 0;
|
||||||
u32 itr_mask, new_itr;
|
u32 new_itr = get_speed_setting(speed, info);
|
||||||
|
u32 itr_mask = speed < XFER_MW_DMA_0 ? 0xcfc3ffff :
|
||||||
itr_mask = speed < XFER_MW_DMA_0 ? 0x303c0000 :
|
(speed < XFER_UDMA_0 ? 0x31c001ff :
|
||||||
(speed < XFER_UDMA_0 ? 0xc03c0000 : 0xc1c001ff);
|
0x303c0000);
|
||||||
|
|
||||||
new_itr = get_speed_setting(speed, info);
|
|
||||||
|
|
||||||
pci_read_config_dword(dev, itr_addr, &old_itr);
|
pci_read_config_dword(dev, itr_addr, &old_itr);
|
||||||
new_itr = (new_itr & ~itr_mask) | (old_itr & itr_mask);
|
new_itr = (old_itr & ~itr_mask) | (new_itr & itr_mask);
|
||||||
|
|
||||||
if (speed < XFER_MW_DMA_0)
|
if (speed < XFER_MW_DMA_0)
|
||||||
new_itr &= ~0x80000000; /* Disable on-chip PIO FIFO/buffer */
|
new_itr &= ~0x80000000; /* Disable on-chip PIO FIFO/buffer */
|
||||||
pci_write_config_dword(dev, itr_addr, new_itr);
|
pci_write_config_dword(dev, itr_addr, new_itr);
|
||||||
|
|
Loading…
Reference in a new issue