From bac89d754ba333453576fd38eb6073d7f89818fe Mon Sep 17 00:00:00 2001 From: Shawn Guo Date: Sun, 2 Oct 2011 15:09:11 +0800 Subject: arm/imx6q: add core definitions and low-level debug uart It adds the core definitions and low-level debug uart support for imx6q. Signed-off-by: Shawn Guo --- arch/arm/mach-imx/lluart.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 arch/arm/mach-imx/lluart.c (limited to 'arch/arm/mach-imx/lluart.c') diff --git a/arch/arm/mach-imx/lluart.c b/arch/arm/mach-imx/lluart.c new file mode 100644 index 000000000000..d4ab6f29a766 --- /dev/null +++ b/arch/arm/mach-imx/lluart.c @@ -0,0 +1,32 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. + * Copyright 2011 Linaro Ltd. + * + * 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 + */ + +#include +#include +#include +#include +#include + +static struct map_desc imx_lluart_desc = { +#ifdef CONFIG_DEBUG_IMX6Q_UART + .virtual = MX6Q_IO_P2V(MX6Q_UART4_BASE_ADDR), + .pfn = __phys_to_pfn(MX6Q_UART4_BASE_ADDR), + .length = MX6Q_UART4_SIZE, + .type = MT_DEVICE, +#endif +}; + +void __init imx_lluart_map_io(void) +{ + if (imx_lluart_desc.virtual) + iotable_init(&imx_lluart_desc, 1); +} -- cgit v1.2.3