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authorWolfgang Denk <wd@pollux.denx.de>2006-10-24 17:08:31 +0200
committerWolfgang Denk <wd@pollux.denx.de>2006-10-24 17:08:31 +0200
commitd97370feca2a589dad42154577bb4615a0347852 (patch)
tree5a3f85d24e07425977b7019017ae1615c0f12ce7 /lib_avr32/interrupts.c
parent9fa48022e5883a0826a98979c0156f6ac5a0ef79 (diff)
parent47a6989c10685d2ab3efcf95228ce50d2a496d3e (diff)
downloadu-boot-imx-d97370feca2a589dad42154577bb4615a0347852.zip
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Merge with /home/wd/git/u-boot/master
(Conflicts between Jon Loeliger's and Matthew McClintock's tree were resolved by in favour of Jon's version.)
Diffstat (limited to 'lib_avr32/interrupts.c')
-rw-r--r--lib_avr32/interrupts.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/lib_avr32/interrupts.c b/lib_avr32/interrupts.c
new file mode 100644
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--- /dev/null
+++ b/lib_avr32/interrupts.c
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+/*
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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
+ */
+#include <common.h>
+
+#include <asm/sysreg.h>
+
+void enable_interrupts(void)
+{
+ asm volatile("csrf %0" : : "n"(SYSREG_GM_OFFSET));
+}
+
+int disable_interrupts(void)
+{
+ unsigned long sr;
+
+ sr = sysreg_read(SR);
+ asm volatile("ssrf %0" : : "n"(SYSREG_GM_OFFSET));
+
+ return SYSREG_BFEXT(GM, sr);
+}