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>

1 files changed, 42 insertions, 0 deletions

diff --git a/arch/blackfin/include/asm/cpu.h b/arch/blackfin/include/asm/cpu.h
new file mode 100644
index 00000000000..9b7aefe7eb2
--- /dev/null
+++ b/arch/blackfin/include/asm/cpu.h
@@ -0,0 +1,42 @@
+/*
+ * File:         arch/blackfin/include/asm/cpu.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_CPU_H
+#define __ASM_BLACKFIN_CPU_H
+
+#include <linux/percpu.h>
+
+struct task_struct;
+
+struct blackfin_cpudata {
+        struct cpu cpu;
+        struct task_struct *idle;
+        unsigned long cclk;
+        unsigned int imemctl;
+        unsigned int dmemctl;
+        unsigned long loops_per_jiffy;
+        unsigned long dcache_invld_count;
+};
+
+DECLARE_PER_CPU(struct blackfin_cpudata, cpu_data);
+
+#endif