Attachment 296252 Details for Bug 434741 – RHEL patch: 64-bit DMA support patch

[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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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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