Blackfin arch: SMP supporting patchset: Blackfin header files and machine common code
Blackfin dual core BF561 processor can support SMP like features.
https://docs.blackfin.uclinux.org/doku.php?id=linux-kernel:smp-like
In this patch, we provide SMP extend to Blackfin header files
and machine common code
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
diff --git a/arch/blackfin/include/asm/smp.h b/arch/blackfin/include/asm/smp.h
new file mode 100644
index 0000000..233cb8c
--- /dev/null
+++ b/arch/blackfin/include/asm/smp.h
@@ -0,0 +1,42 @@
+/*
+ * File: arch/blackfin/include/asm/smp.h
+ * Author: Philippe Gerum <rpm@xenomai.org>
+ *
+ * Copyright 2007 Analog Devices Inc.
+ *
+ * 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, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef __ASM_BLACKFIN_SMP_H
+#define __ASM_BLACKFIN_SMP_H
+
+#include <linux/kernel.h>
+#include <linux/threads.h>
+#include <linux/cpumask.h>
+#include <linux/cache.h>
+#include <asm/blackfin.h>
+#include <mach/smp.h>
+
+#define raw_smp_processor_id() blackfin_core_id()
+
+struct corelock_slot {
+ int lock;
+};
+
+void smp_icache_flush_range_others(unsigned long start,
+ unsigned long end);
+
+#endif /* !__ASM_BLACKFIN_SMP_H */