Module Name: src
Committed By: bouyer
Date: Mon May 13 16:55:17 UTC 2019
Modified Files:
src/sys/arch/arm/sunxi: sunxi_sata.c
Log Message:
Use new magic values from linux for DMACR. While I couldn't measure any
significant difference with my old, slow laptop drive, linux commiter claims
a 3x write performance boost (from 40 to 120MB/s) and 200MB/s read with
a ssd.
To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 src/sys/arch/arm/sunxi/sunxi_sata.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/arm/sunxi/sunxi_sata.c
diff -u src/sys/arch/arm/sunxi/sunxi_sata.c:1.1 src/sys/arch/arm/sunxi/sunxi_sata.c:1.2
--- src/sys/arch/arm/sunxi/sunxi_sata.c:1.1 Sat Oct 7 15:12:35 2017
+++ src/sys/arch/arm/sunxi/sunxi_sata.c Mon May 13 16:55:17 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: sunxi_sata.c,v 1.1 2017/10/07 15:12:35 jmcneill Exp $ */
+/* $NetBSD: sunxi_sata.c,v 1.2 2019/05/13 16:55:17 bouyer Exp $ */
/*-
* Copyright (c) 2017 Jared McNeill <jmcne...@invisible.ca>
@@ -28,7 +28,7 @@
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sunxi_sata.c,v 1.1 2017/10/07 15:12:35 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sunxi_sata.c,v 1.2 2019/05/13 16:55:17 bouyer Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -55,8 +55,8 @@ sunxi_sata_channel_start(struct ahci_sof
uint32_t val;
val = AHCI_READ(sc, dma_reg);
- val &= ~0xff00;
- val |= 0x4400;
+ val &= ~0xffff;
+ val |= 0x4433;
AHCI_WRITE(sc, dma_reg, val);
}
