Module Name: src
Committed By: macallan
Date: Thu Mar 19 12:22:00 UTC 2015
Modified Files:
src/sys/arch/mips/ingenic: apbus.c
Log Message:
spin up SMBus clocks before attaching drivers
TODO: only enable clocks for drivers that actually attach
To generate a diff of this commit:
cvs rdiff -u -r1.9 -r1.10 src/sys/arch/mips/ingenic/apbus.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/mips/ingenic/apbus.c
diff -u src/sys/arch/mips/ingenic/apbus.c:1.9 src/sys/arch/mips/ingenic/apbus.c:1.10
--- src/sys/arch/mips/ingenic/apbus.c:1.9 Tue Mar 17 09:26:31 2015
+++ src/sys/arch/mips/ingenic/apbus.c Thu Mar 19 12:22:00 2015
@@ -1,4 +1,4 @@
-/* $NetBSD: apbus.c,v 1.9 2015/03/17 09:26:31 macallan Exp $ */
+/* $NetBSD: apbus.c,v 1.10 2015/03/19 12:22:00 macallan Exp $ */
/*-
* Copyright (c) 2014 Michael Lorenz
@@ -29,7 +29,7 @@
/* catch-all for on-chip peripherals */
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: apbus.c,v 1.9 2015/03/17 09:26:31 macallan Exp $");
+__KERNEL_RCSID(0, "$NetBSD: apbus.c,v 1.10 2015/03/19 12:22:00 macallan Exp $");
#include "locators.h"
#define _MIPS_BUS_DMA_PRIVATE
@@ -128,12 +128,17 @@ apbus_attach(device_t parent, device_t s
/* enable USB clocks */
reg = readreg(JZ_CLKGR1);
+ reg &= ~(1 << 0); /* SMB3 clock */
reg &= ~(1 << 8); /* OTG1 clock */
reg &= ~(1 << 11); /* AHB_MON clock */
+ reg &= ~(1 << 12); /* SMB4 clock */
writereg(JZ_CLKGR1, reg);
reg = readreg(JZ_CLKGR0);
+ reg &= ~(1 << 5); /* SMB0 clock */
+ reg &= ~(1 << 6); /* SMB1 clock */
reg &= ~(1 << 24); /* UHC clock */
+ reg &= ~(1 << 25); /* SMB2 clock */
writereg(JZ_CLKGR0, reg);
/* wake up the USB part */
