diff options
Diffstat (limited to 'arch/arm/mach-highbank/lluart.c')
-rw-r--r-- | arch/arm/mach-highbank/lluart.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/mach-highbank/lluart.c b/arch/arm/mach-highbank/lluart.c new file mode 100644 index 000000000000..371575019f33 --- /dev/null +++ b/arch/arm/mach-highbank/lluart.c @@ -0,0 +1,34 @@ +/* + * Copyright 2011 Calxeda, Inc. + * + * 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, see <http://www.gnu.org/licenses/>. + */ +#include <linux/init.h> +#include <asm/page.h> +#include <asm/sizes.h> +#include <asm/mach/map.h> + +#define HB_DEBUG_LL_PHYS_BASE 0xfff36000 +#define HB_DEBUG_LL_VIRT_BASE 0xfee36000 + +static struct map_desc lluart_io_desc __initdata = { + .virtual = HB_DEBUG_LL_VIRT_BASE, + .pfn = __phys_to_pfn(HB_DEBUG_LL_PHYS_BASE), + .length = SZ_4K, + .type = MT_DEVICE, +}; + +void __init highbank_lluart_map_io(void) +{ + iotable_init(&lluart_io_desc, 1); +} |