11bffb4a8SThomas Petazzoni /* 21bffb4a8SThomas Petazzoni * Copyright 2012 (C), Thomas Petazzoni <thomas.petazzoni@free-electrons.com> 31bffb4a8SThomas Petazzoni * 41bffb4a8SThomas Petazzoni * arch/arm/mach-orion5x/board-dt.c 51bffb4a8SThomas Petazzoni * 61bffb4a8SThomas Petazzoni * Flattened Device Tree board initialization 71bffb4a8SThomas Petazzoni * 81bffb4a8SThomas Petazzoni * This file is licensed under the terms of the GNU General Public 91bffb4a8SThomas Petazzoni * License version 2. This program is licensed "as is" without any 101bffb4a8SThomas Petazzoni * warranty of any kind, whether express or implied. 111bffb4a8SThomas Petazzoni */ 121bffb4a8SThomas Petazzoni 131bffb4a8SThomas Petazzoni #include <linux/kernel.h> 141bffb4a8SThomas Petazzoni #include <linux/init.h> 151bffb4a8SThomas Petazzoni #include <linux/of.h> 161bffb4a8SThomas Petazzoni #include <linux/of_platform.h> 17f7b861b7SThomas Gleixner #include <linux/cpu.h> 185c697664SThomas Petazzoni #include <linux/mbus.h> 191bffb4a8SThomas Petazzoni #include <asm/system_misc.h> 201bffb4a8SThomas Petazzoni #include <asm/mach/arch.h> 215c697664SThomas Petazzoni #include <asm/mach/map.h> 221bffb4a8SThomas Petazzoni #include <mach/orion5x.h> 235c697664SThomas Petazzoni #include <mach/bridge-regs.h> 241bffb4a8SThomas Petazzoni #include <plat/irq.h> 255c697664SThomas Petazzoni #include <plat/time.h> 261bffb4a8SThomas Petazzoni #include "common.h" 271bffb4a8SThomas Petazzoni 2842366666SAndrew Lunn static struct of_dev_auxdata orion5x_auxdata_lookup[] __initdata = { 291bffb4a8SThomas Petazzoni OF_DEV_AUXDATA("marvell,orion-spi", 0xf1010600, "orion_spi.0", NULL), 301bffb4a8SThomas Petazzoni OF_DEV_AUXDATA("marvell,mv64xxx-i2c", 0xf1011000, "mv64xxx_i2c.0", 311bffb4a8SThomas Petazzoni NULL), 321bffb4a8SThomas Petazzoni OF_DEV_AUXDATA("marvell,orion-wdt", 0xf1020300, "orion_wdt", NULL), 331bffb4a8SThomas Petazzoni OF_DEV_AUXDATA("marvell,orion-sata", 0xf1080000, "sata_mv.0", NULL), 341bffb4a8SThomas Petazzoni OF_DEV_AUXDATA("marvell,orion-crypto", 0xf1090000, "mv_crypto", NULL), 351bffb4a8SThomas Petazzoni {}, 361bffb4a8SThomas Petazzoni }; 371bffb4a8SThomas Petazzoni 385c697664SThomas Petazzoni static void orion5x_dt_init_early(void) 395c697664SThomas Petazzoni { 405c697664SThomas Petazzoni orion_time_set_base(TIMER_VIRT_BASE); 415c697664SThomas Petazzoni } 425c697664SThomas Petazzoni 435c697664SThomas Petazzoni static void orion5x_dt_init_time(void) 445c697664SThomas Petazzoni { 455c697664SThomas Petazzoni orion5x_timer_init(); 465c697664SThomas Petazzoni } 475c697664SThomas Petazzoni 481bffb4a8SThomas Petazzoni static void __init orion5x_dt_init(void) 491bffb4a8SThomas Petazzoni { 501bffb4a8SThomas Petazzoni char *dev_name; 511bffb4a8SThomas Petazzoni u32 dev, rev; 521bffb4a8SThomas Petazzoni 531bffb4a8SThomas Petazzoni orion5x_id(&dev, &rev, &dev_name); 541bffb4a8SThomas Petazzoni printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, orion5x_tclk); 551bffb4a8SThomas Petazzoni 565c697664SThomas Petazzoni BUG_ON(mvebu_mbus_dt_init()); 575c697664SThomas Petazzoni 581bffb4a8SThomas Petazzoni /* 591bffb4a8SThomas Petazzoni * Setup Orion address map 601bffb4a8SThomas Petazzoni */ 615d1190eaSThomas Petazzoni orion5x_setup_wins(); 621bffb4a8SThomas Petazzoni 631bffb4a8SThomas Petazzoni /* Setup root of clk tree */ 641bffb4a8SThomas Petazzoni clk_init(); 651bffb4a8SThomas Petazzoni 661bffb4a8SThomas Petazzoni /* 671bffb4a8SThomas Petazzoni * Don't issue "Wait for Interrupt" instruction if we are 681bffb4a8SThomas Petazzoni * running on D0 5281 silicon. 691bffb4a8SThomas Petazzoni */ 701bffb4a8SThomas Petazzoni if (dev == MV88F5281_DEV_ID && rev == MV88F5281_REV_D0) { 711bffb4a8SThomas Petazzoni printk(KERN_INFO "Orion: Applying 5281 D0 WFI workaround.\n"); 72f7b861b7SThomas Gleixner cpu_idle_poll_ctrl(true); 731bffb4a8SThomas Petazzoni } 741bffb4a8SThomas Petazzoni 7507f645dfSThomas Petazzoni if (of_machine_is_compatible("lacie,ethernet-disk-mini-v2")) 7607f645dfSThomas Petazzoni edmini_v2_init(); 7707f645dfSThomas Petazzoni 781bffb4a8SThomas Petazzoni of_platform_populate(NULL, of_default_bus_match_table, 791bffb4a8SThomas Petazzoni orion5x_auxdata_lookup, NULL); 801bffb4a8SThomas Petazzoni } 811bffb4a8SThomas Petazzoni 821bffb4a8SThomas Petazzoni static const char *orion5x_dt_compat[] = { 831bffb4a8SThomas Petazzoni "marvell,orion5x", 841bffb4a8SThomas Petazzoni NULL, 851bffb4a8SThomas Petazzoni }; 861bffb4a8SThomas Petazzoni 871bffb4a8SThomas Petazzoni DT_MACHINE_START(ORION5X_DT, "Marvell Orion5x (Flattened Device Tree)") 881bffb4a8SThomas Petazzoni /* Maintainer: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> */ 891bffb4a8SThomas Petazzoni .map_io = orion5x_map_io, 905c697664SThomas Petazzoni .init_early = orion5x_dt_init_early, 911bffb4a8SThomas Petazzoni .init_irq = orion_dt_init_irq, 925c697664SThomas Petazzoni .init_time = orion5x_dt_init_time, 931bffb4a8SThomas Petazzoni .init_machine = orion5x_dt_init, 941bffb4a8SThomas Petazzoni .restart = orion5x_restart, 951bffb4a8SThomas Petazzoni .dt_compat = orion5x_dt_compat, 961bffb4a8SThomas Petazzoni MACHINE_END 97