RE: [PATCH] Add IDE mode support for SB600 SATA

["Conke Hu" <conke.hu@amd.com>]

-----Original Message-----
From: linux-kernel-owner@vger.kernel.org [mailto:linux-kernel-owner@vger.kernel.org] On Behalf Of Alan
Sent: Friday, November 24, 2006 12:46 AM
To: Luugi Marsan
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Add IDE mode support for SB600 SATA

On Thu, 23 Nov 2006 11:35:47 -0500 (EST) luugi.marsan@amd.com (Luugi Marsan) wrote:

> From: Conke Hu <conke.hu@amd.com>

NAK - Conke Hu's later patch is better and that should be the one applied
-
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-----------------------------------------------------------


Hi all,
We've sent out more than one patch on the sb600 sata issue and one of them has been applied, so please just ignore others. 
The applied patch is:

--- linux-2.6.19-rc6-git4/drivers/pci/quirks.c.orig	2006-11-23 19:45:49.000000000 +0800
+++ linux-2.6.19-rc6-git4/drivers/pci/quirks.c	2006-11-23 19:34:23.000000000 +0800
@@ -795,6 +795,25 @@ static void __init quirk_mediagx_master(
 	}
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CYRIX,	PCI_DEVICE_ID_CYRIX_PCI_MASTER, quirk_mediagx_master );
+ 
+#if defined(CONFIG_SATA_AHCI) || defined(CONFIG_SATA_AHCI_MODULE)
+static void __devinit quirk_sb600_sata(struct pci_dev *pdev)
+{
+	/* set sb600 sata to ahci mode */
+	if ((pdev->class >> 8) == PCI_CLASS_STORAGE_IDE) {
+		u8 tmp;
+
+		pci_read_config_byte(pdev, 0x40, &tmp);
+		pci_write_config_byte(pdev, 0x40, tmp|1);
+		pci_write_config_byte(pdev, 0x9, 1);
+		pci_write_config_byte(pdev, 0xa, 6);
+		pci_write_config_byte(pdev, 0x40, tmp);
+		
+		pdev->class = 0x010601;
+	}
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_sb600_sata);
+#endif
 
 /*
  * As per PCI spec, ignore base address registers 0-3 of the IDE controllers


Conke