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Red Hat Bugzilla – Attachment 296252 Details for
Bug 434741
AMD SB700/SB800 SATA support 64bit DMA
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[patch]
RHEL patch: 64-bit DMA support patch
RHEL5.2_SB700_800_SATA_64bit_DMA_support.patch (text/plain), 2.30 KB, created by
Bhavna Sarathy
on 2008-02-28 20:16:49 UTC
(
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Description:
RHEL patch: 64-bit DMA support patch
Filename:
MIME Type:
Creator:
Bhavna Sarathy
Created:
2008-02-28 20:16:49 UTC
Size:
2.30 KB
patch
obsolete
>Resolves BZ 434741 > >SB700 SATA controller can support 64 bit DMA, and this patch adds the >necessary support. Without this patch customers would only be able >to benefit from 4GB system memory even if there is more than 4GB >physical memory in the system with SB700. > >This patch has been accepted by kernel.org, the git commit is: > >http://git.kernel.org/?p=linux/kernel/git/torvalds/linux- >2.6.git;a=commit;h=e39fc8c9fd0bb6f4018186801e4a53a5eccaaf70 > >Brew build: > >Testing: > >Please ACK > >--- linux-2.6.18.i386/drivers/ata/ahci.c.ahciorig 2008-02-28 10:04:09.000000000 -0500 >+++ linux-2.6.18.i386/drivers/ata/ahci.c 2008-02-28 10:24:18.000000000 -0500 >@@ -85,6 +85,7 @@ enum { > board_ahci_ign_iferr = 2, > board_ahci_sb600 = 3, > board_ahci_mv = 4, >+ board_ahci_sb700 = 5, > > /* global controller registers */ > HOST_CAP = 0x00, /* host capabilities */ >@@ -442,6 +443,16 @@ static const struct ata_port_info ahci_p > .udma_mask = ATA_UDMA6, > .port_ops = &ahci_ops, > }, >+ /* board_ahci_sb700 */ >+ { >+ AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL | >+ AHCI_HFLAG_NO_PMP), >+ .flags = AHCI_FLAG_COMMON, >+ .link_flags = AHCI_LFLAG_COMMON, >+ .pio_mask = 0x1f, /* pio0-4 */ >+ .udma_mask = ATA_UDMA6, >+ .port_ops = &ahci_ops, >+ }, > }; > > static const struct pci_device_id ahci_pci_tbl[] = { >@@ -482,12 +493,12 @@ static const struct pci_device_id ahci_p > > /* ATI */ > { PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 */ >- { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb600 }, /* ATI SB700/800 */ >- { PCI_VDEVICE(ATI, 0x4391), board_ahci_sb600 }, /* ATI SB700/800 */ >- { PCI_VDEVICE(ATI, 0x4392), board_ahci_sb600 }, /* ATI SB700/800 */ >- { PCI_VDEVICE(ATI, 0x4393), board_ahci_sb600 }, /* ATI SB700/800 */ >- { PCI_VDEVICE(ATI, 0x4394), board_ahci_sb600 }, /* ATI SB700/800 */ >- { PCI_VDEVICE(ATI, 0x4395), board_ahci_sb600 }, /* ATI SB700/800 */ >+ { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb700 }, /* ATI SB700/800 */ >+ { PCI_VDEVICE(ATI, 0x4391), board_ahci_sb700 }, /* ATI SB700/800 */ >+ { PCI_VDEVICE(ATI, 0x4392), board_ahci_sb700 }, /* ATI SB700/800 */ >+ { PCI_VDEVICE(ATI, 0x4393), board_ahci_sb700 }, /* ATI SB700/800 */ >+ { PCI_VDEVICE(ATI, 0x4394), board_ahci_sb700 }, /* ATI SB700/800 */ >+ { PCI_VDEVICE(ATI, 0x4395), board_ahci_sb700 }, /* ATI SB700/800 */ > > /* VIA */ > { PCI_VDEVICE(VIA, 0x3349), board_ahci_vt8251 }, /* VIA VT8251 */
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bug 434741
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