summaryrefslogtreecommitdiff
path: root/target/linux/ifxmips/files/arch/mips/danube/pmu.c
diff options
context:
space:
mode:
authorJohn Crispin <john@openwrt.org>2007-12-20 22:29:45 +0000
committerJohn Crispin <john@openwrt.org>2007-12-20 22:29:45 +0000
commitb998d4fa51609b2b1e3a91deb118918c301dd7e8 (patch)
tree27cb7ef40b5d90fbcf3fe736719e92367a3990e3 /target/linux/ifxmips/files/arch/mips/danube/pmu.c
parent498a2e30702494fd3171fdc813bee410cc94661a (diff)
downloadmtk-20170518-b998d4fa51609b2b1e3a91deb118918c301dd7e8.zip
mtk-20170518-b998d4fa51609b2b1e3a91deb118918c301dd7e8.tar.gz
mtk-20170518-b998d4fa51609b2b1e3a91deb118918c301dd7e8.tar.bz2
move danube folder to ifxmips, to allow future integration of the other chips
SVN-Revision: 9815
Diffstat (limited to 'target/linux/ifxmips/files/arch/mips/danube/pmu.c')
-rw-r--r--target/linux/ifxmips/files/arch/mips/danube/pmu.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/target/linux/ifxmips/files/arch/mips/danube/pmu.c b/target/linux/ifxmips/files/arch/mips/danube/pmu.c
new file mode 100644
index 0000000..5bb66db
--- /dev/null
+++ b/target/linux/ifxmips/files/arch/mips/danube/pmu.c
@@ -0,0 +1,45 @@
+/*
+ * arch/mips/danube/pmu.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) 2007 John Crispin <blogic@openwrt.org>
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/version.h>
+#include <asm/danube/danube.h>
+
+void
+danube_pmu_enable (unsigned int module)
+{
+ int err = 1000000;
+
+ writel(readl(DANUBE_PMU_PWDCR) & ~module, DANUBE_PMU_PWDCR);
+ while (--err && (readl(DANUBE_PMU_PWDSR) & module)) {}
+
+ if (!err)
+ panic("activating PMU module failed!");
+}
+EXPORT_SYMBOL(danube_pmu_enable);
+
+void
+danube_pmu_disable (unsigned int module)
+{
+ writel(readl(DANUBE_PMU_PWDCR) | module, DANUBE_PMU_PWDCR);
+}
+EXPORT_SYMBOL(danube_pmu_disable);