diff options
Diffstat (limited to 'arch/arm/mach-gemini')
| -rw-r--r-- | arch/arm/mach-gemini/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/mach-gemini/board-dt.c | 38 |
2 files changed, 39 insertions, 1 deletions
diff --git a/arch/arm/mach-gemini/Makefile b/arch/arm/mach-gemini/Makefile index 7963a77be637..11f07fb6ec3d 100644 --- a/arch/arm/mach-gemini/Makefile +++ b/arch/arm/mach-gemini/Makefile @@ -4,7 +4,7 @@ # Object file lists. -obj-y := irq.o mm.o time.o devices.o gpio.o idle.o reset.o +obj-y := irq.o mm.o time.o devices.o gpio.o idle.o reset.o board-dt.o # Board-specific support obj-$(CONFIG_MACH_NAS4220B) += board-nas4220b.o diff --git a/arch/arm/mach-gemini/board-dt.c b/arch/arm/mach-gemini/board-dt.c new file mode 100644 index 000000000000..208ea99cdc47 --- /dev/null +++ b/arch/arm/mach-gemini/board-dt.c @@ -0,0 +1,38 @@ +/* + * Gemini Device Tree boot support + */ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/io.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#ifdef CONFIG_DEBUG_GEMINI +/* This is needed for LL-debug/earlyprintk/debug-macro.S */ +static struct map_desc gemini_io_desc[] __initdata = { + { + .virtual = CONFIG_DEBUG_UART_VIRT, + .pfn = __phys_to_pfn(CONFIG_DEBUG_UART_PHYS), + .length = SZ_4K, + .type = MT_DEVICE, + }, +}; + +static void __init gemini_map_io(void) +{ + iotable_init(gemini_io_desc, ARRAY_SIZE(gemini_io_desc)); +} +#else +#define gemini_map_io NULL +#endif + +static const char *gemini_board_compat[] = { + "cortina,gemini", + NULL, +}; + +DT_MACHINE_START(GEMINI_DT, "Gemini (Device Tree)") + .map_io = gemini_map_io, + .dt_compat = gemini_board_compat, +MACHINE_END |