From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001
From: root <root@artemis.panaceas.org>
Date: Fri, 25 Dec 2015 04:40:36 +0000
Subject: initial_commit

---
 arch/arm/plat-iop/io.c | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 arch/arm/plat-iop/io.c

(limited to 'arch/arm/plat-iop/io.c')

diff --git a/arch/arm/plat-iop/io.c b/arch/arm/plat-iop/io.c
new file mode 100644
index 00000000..e15bc17d
--- /dev/null
+++ b/arch/arm/plat-iop/io.c
@@ -0,0 +1,59 @@
+/*
+ * iop3xx custom ioremap implementation
+ * Copyright (c) 2006, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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 <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/io.h>
+#include <mach/hardware.h>
+
+void * __iomem __iop3xx_ioremap(unsigned long cookie, size_t size,
+	unsigned int mtype)
+{
+	void __iomem * retval;
+
+	switch (cookie) {
+	case IOP3XX_PCI_LOWER_IO_PA ... IOP3XX_PCI_UPPER_IO_PA:
+		retval = (void *) IOP3XX_PCI_IO_PHYS_TO_VIRT(cookie);
+		break;
+	case IOP3XX_PERIPHERAL_PHYS_BASE ... IOP3XX_PERIPHERAL_UPPER_PA:
+		retval = (void *) IOP3XX_PMMR_PHYS_TO_VIRT(cookie);
+		break;
+	default:
+		retval = __arm_ioremap_caller(cookie, size, mtype,
+				__builtin_return_address(0));
+	}
+
+	return retval;
+}
+EXPORT_SYMBOL(__iop3xx_ioremap);
+
+void __iop3xx_iounmap(void __iomem *addr)
+{
+	extern void __iounmap(volatile void __iomem *addr);
+
+	switch ((u32) addr) {
+	case IOP3XX_PCI_LOWER_IO_VA ... IOP3XX_PCI_UPPER_IO_VA:
+	case IOP3XX_PERIPHERAL_VIRT_BASE ... IOP3XX_PERIPHERAL_UPPER_VA:
+		goto skip;
+	}
+	__iounmap(addr);
+
+skip:
+	return;
+}
+EXPORT_SYMBOL(__iop3xx_iounmap);
-- 
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