/* * arch/arm/mach-ns9xxx/processor-ns9360.c * * Copyright (C) 2007 by Digi International Inc. * All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published by * the Free Software Foundation. */ #include <linux/io.h> #include <linux/kernel.h> #include <linux/slab.h> #include <asm/page.h> #include <asm/mach/map.h> #include <mach/processor-ns9360.h> #include <mach/regs-sys-ns9360.h> void ns9360_reset(char mode) { u32 reg; reg = __raw_readl(SYS_PLL) >> 16; REGSET(reg, SYS_PLL, SWC, YES); __raw_writel(reg, SYS_PLL); } #define CRYSTAL 29491200 /* Hz */ unsigned long ns9360_systemclock(void) { u32 pll = __raw_readl(SYS_PLL); return CRYSTAL * (REGGETIM(pll, SYS_PLL, ND) + 1) >> REGGETIM(pll, SYS_PLL, FS); } static struct map_desc ns9360_io_desc[] __initdata = { { /* BBus */ .virtual = io_p2v(0x90000000), .pfn = __phys_to_pfn(0x90000000), .length = 0x00700000, .type = MT_DEVICE, }, { /* AHB */ .virtual = io_p2v(0xa0100000), .pfn = __phys_to_pfn(0xa0100000), .length = 0x00900000, .type = MT_DEVICE, }, }; void __init ns9360_map_io(void) { iotable_init(ns9360_io_desc, ARRAY_SIZE(ns9360_io_desc)); }