2 * Gemini Device Tree boot support
4 #include <linux/kernel.h>
5 #include <linux/init.h>
8 #include <asm/mach/arch.h>
9 #include <asm/mach/map.h>
10 #include <asm/system_misc.h>
11 #include <asm/proc-fns.h>
13 #ifdef CONFIG_DEBUG_GEMINI
14 /* This is needed for LL-debug/earlyprintk/debug-macro.S */
15 static struct map_desc gemini_io_desc[] __initdata = {
17 .virtual = CONFIG_DEBUG_UART_VIRT,
18 .pfn = __phys_to_pfn(CONFIG_DEBUG_UART_PHYS),
24 static void __init gemini_map_io(void)
26 iotable_init(gemini_io_desc, ARRAY_SIZE(gemini_io_desc));
29 #define gemini_map_io NULL
32 static void gemini_idle(void)
35 * Because of broken hardware we have to enable interrupts or the CPU
36 * will never wakeup... Acctualy it is not very good to enable
37 * interrupts first since scheduler can miss a tick, but there is
38 * no other way around this. Platforms that needs it for power saving
39 * should enable it in init code, since by default it is
43 /* FIXME: Enabling interrupts here is racy! */
48 static void __init gemini_init_machine(void)
50 arm_pm_idle = gemini_idle;
53 static const char *gemini_board_compat[] = {
58 DT_MACHINE_START(GEMINI_DT, "Gemini (Device Tree)")
59 .map_io = gemini_map_io,
60 .init_machine = gemini_init_machine,
61 .dt_compat = gemini_board_compat,