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Diffstat (limited to 'arch/arm/plat-mxc/io.c')
-rw-r--r-- | arch/arm/plat-mxc/io.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/io.c b/arch/arm/plat-mxc/io.c new file mode 100644 index 000000000000..fd3d9dfca355 --- /dev/null +++ b/arch/arm/plat-mxc/io.c @@ -0,0 +1,42 @@ +/* + * Copyright 2007-2010 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +/* + * mxc custom ioremap implementation. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <mach/hardware.h> +#include <linux/io.h> + +void *__iomem __mxc_ioremap(unsigned long cookie, size_t size, + unsigned int mtype) +{ +#ifdef CONFIG_ARCH_MX3 + if (cpu_is_mx3() && (mtype == MT_DEVICE) && (cookie < 0x80000000 && cookie != MX3x_L2CC_BASE_ADDR)) + mtype = MT_DEVICE_NONSHARED; +#endif + return __arm_ioremap(cookie, size, mtype); +} + +EXPORT_SYMBOL(__mxc_ioremap); + +void __mxc_iounmap(void __iomem *addr) +{ + extern void __iounmap(volatile void __iomem *addr); + + __iounmap(addr); +} + +EXPORT_SYMBOL(__mxc_iounmap); |