From db911d4fef8d2bcfc6c314fcd3c06f35f5b4249c Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@felloff.net>
Date: Tue, 8 Oct 2019 13:53:57 +0200
Subject: sdiahci: force Hudson SATA Controller to AHCI mode

---
 sys/src/9/pc/sdiahci.c | 4 +++-
 sys/src/9/pc/sdide.c   | 1 -
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/sys/src/9/pc/sdiahci.c b/sys/src/9/pc/sdiahci.c
index f1549a8d0..9d6400069 100644
--- a/sys/src/9/pc/sdiahci.c
+++ b/sys/src/9/pc/sdiahci.c
@@ -2102,8 +2102,10 @@ didtype(Pcidev *p)
 		break;
 	case 0x1022:
 		/* Hudson SATA Controller [AHCI mode] */
-		if(p->did == 0x7801)
+		if((p->did & 0xfffe) == 0x7800){
+			sbsetupahci(p);
 			return Tahci;
+		}
 		break;
 	case 0x10de:
 	case 0x1039:
diff --git a/sys/src/9/pc/sdide.c b/sys/src/9/pc/sdide.c
index b81972949..7da95b2e8 100644
--- a/sys/src/9/pc/sdide.c
+++ b/sys/src/9/pc/sdide.c
@@ -1990,7 +1990,6 @@ atapnp(void)
 			 */
 			break;
 		case (0x7441<<16)|0x1022:	/* AMD 768 */
-		case (0x7800<<16)|0x1022:
 			/*
 			 * Set:
 			 *	0x41	prefetch, postwrite;
-- 
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