diff options
Diffstat (limited to 'arch/arm/mach-imx/mach-imx27.c')
| -rw-r--r-- | arch/arm/mach-imx/mach-imx27.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-imx27.c b/arch/arm/mach-imx/mach-imx27.c index 29d97bd64381..2d981d1eafbf 100644 --- a/arch/arm/mach-imx/mach-imx27.c +++ b/arch/arm/mach-imx/mach-imx27.c @@ -3,15 +3,64 @@ * Copyright 2012 Sascha Hauer, Pengutronix */ +#include <linux/init.h> #include <linux/irq.h> #include <linux/of_irq.h> #include <linux/of_platform.h> +#include <linux/mm.h> #include <asm/mach/arch.h> +#include <asm/mach/map.h> #include <asm/mach/time.h> #include "common.h" +#include "devices/devices-common.h" +#include "hardware.h" #include "mx27.h" +/* MX27 memory map definition */ +static struct map_desc imx27_io_desc[] __initdata = { + /* + * this fixed mapping covers: + * - AIPI1 + * - AIPI2 + * - AITC + * - ROM Patch + * - and some reserved space + */ + imx_map_entry(MX27, AIPI, MT_DEVICE), + /* + * this fixed mapping covers: + * - CSI + * - ATA + */ + imx_map_entry(MX27, SAHB1, MT_DEVICE), + /* + * this fixed mapping covers: + * - EMI + */ + imx_map_entry(MX27, X_MEMC, MT_DEVICE), +}; + +/* + * Initialize the memory map. It is called during the + * system startup to create static physical to virtual + * memory map for the IO modules. + */ +static void __init mx27_map_io(void) +{ + iotable_init(imx27_io_desc, ARRAY_SIZE(imx27_io_desc)); +} + +static void __init imx27_init_early(void) +{ + mxc_set_cpu_type(MXC_CPU_MX27); +} + +static void __init mx27_init_irq(void) +{ + mxc_init_irq(MX27_IO_ADDRESS(MX27_AVIC_BASE_ADDR)); +} + static const char * const imx27_dt_board_compat[] __initconst = { "fsl,imx27", NULL |