[freertos] add freertos firmware

Change-Id: I4158d66d9b5fc444e28287f55e79ac24e0a1666f

freertos/cvitek/install/include/arch/io.h

@@ -0,0 +1,47 @@
+/*
+ * Based on arch/arm/include/asm/io.h
+ *
+ * Copyright (C) 1996-2000 Russell King
+ * Copyright (C) 2012 ARM Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+#ifndef __ASM_IO_H
+#define __ASM_IO_H
+
+/*
+ * I/O memory access primitives. Reads are ordered relative to any
+ * following Normal memory access. Writes are ordered relative to any prior
+ * Normal memory access.
+ */
+#define readb(c)		({ u8  __v = readb_relaxed(c); __iormb(); __v; })
+#define readw(c)		({ u16 __v = readw_relaxed(c); __iormb(); __v; })
+#define readl(c)		({ u32 __v = readl_relaxed(c); __iormb(); __v; })
+#define readq(c)		({ u64 __v = readq_relaxed(c); __iormb(); __v; })
+
+#define writeb(v, c)		({ __iowmb(); writeb_relaxed((v), (c)); })
+#define writew(v, c)		({ __iowmb(); writew_relaxed((v), (c)); })
+#define writel(v, c)		({ __iowmb(); writel_relaxed((v), (c)); })
+#define writeq(v, c)		({ __iowmb(); writeq_relaxed((v), (c)); })
+
+#define ioread8 readb
+#define ioread16 readw
+#define ioread32 readl
+#define ioread64 readq
+
+#define iowrite8 writeb
+#define iowrite16 writew
+#define iowrite32 writel
+#define iowrite64 writeq
+
+#endif	/* __ASM_IO_H */