1*41d9830cSLinus Walleij /* 2*41d9830cSLinus Walleij * Gemini Device Tree boot support 3*41d9830cSLinus Walleij */ 4*41d9830cSLinus Walleij #include <linux/kernel.h> 5*41d9830cSLinus Walleij #include <linux/init.h> 6*41d9830cSLinus Walleij #include <linux/io.h> 7*41d9830cSLinus Walleij 8*41d9830cSLinus Walleij #include <asm/mach/arch.h> 9*41d9830cSLinus Walleij #include <asm/mach/map.h> 10*41d9830cSLinus Walleij 11*41d9830cSLinus Walleij #ifdef CONFIG_DEBUG_GEMINI 12*41d9830cSLinus Walleij /* This is needed for LL-debug/earlyprintk/debug-macro.S */ 13*41d9830cSLinus Walleij static struct map_desc gemini_io_desc[] __initdata = { 14*41d9830cSLinus Walleij { 15*41d9830cSLinus Walleij .virtual = CONFIG_DEBUG_UART_VIRT, 16*41d9830cSLinus Walleij .pfn = __phys_to_pfn(CONFIG_DEBUG_UART_PHYS), 17*41d9830cSLinus Walleij .length = SZ_4K, 18*41d9830cSLinus Walleij .type = MT_DEVICE, 19*41d9830cSLinus Walleij }, 20*41d9830cSLinus Walleij }; 21*41d9830cSLinus Walleij 22*41d9830cSLinus Walleij static void __init gemini_map_io(void) 23*41d9830cSLinus Walleij { 24*41d9830cSLinus Walleij iotable_init(gemini_io_desc, ARRAY_SIZE(gemini_io_desc)); 25*41d9830cSLinus Walleij } 26*41d9830cSLinus Walleij #else 27*41d9830cSLinus Walleij #define gemini_map_io NULL 28*41d9830cSLinus Walleij #endif 29*41d9830cSLinus Walleij 30*41d9830cSLinus Walleij static const char *gemini_board_compat[] = { 31*41d9830cSLinus Walleij "cortina,gemini", 32*41d9830cSLinus Walleij NULL, 33*41d9830cSLinus Walleij }; 34*41d9830cSLinus Walleij 35*41d9830cSLinus Walleij DT_MACHINE_START(GEMINI_DT, "Gemini (Device Tree)") 36*41d9830cSLinus Walleij .map_io = gemini_map_io, 37*41d9830cSLinus Walleij .dt_compat = gemini_board_compat, 38*41d9830cSLinus Walleij MACHINE_END 39