1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright 2012 (C), Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * arch/arm/mach-orion5x/board-dt.c
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * Flattened Device Tree board initialization
7*4882a593Smuzhiyun *
8*4882a593Smuzhiyun * This file is licensed under the terms of the GNU General Public
9*4882a593Smuzhiyun * License version 2. This program is licensed "as is" without any
10*4882a593Smuzhiyun * warranty of any kind, whether express or implied.
11*4882a593Smuzhiyun */
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun #include <linux/kernel.h>
14*4882a593Smuzhiyun #include <linux/init.h>
15*4882a593Smuzhiyun #include <linux/of.h>
16*4882a593Smuzhiyun #include <linux/of_platform.h>
17*4882a593Smuzhiyun #include <linux/cpu.h>
18*4882a593Smuzhiyun #include <linux/mbus.h>
19*4882a593Smuzhiyun #include <linux/clocksource.h>
20*4882a593Smuzhiyun #include <asm/system_misc.h>
21*4882a593Smuzhiyun #include <asm/mach/arch.h>
22*4882a593Smuzhiyun #include <asm/mach/map.h>
23*4882a593Smuzhiyun #include <plat/irq.h>
24*4882a593Smuzhiyun #include <plat/time.h>
25*4882a593Smuzhiyun #include "orion5x.h"
26*4882a593Smuzhiyun #include "bridge-regs.h"
27*4882a593Smuzhiyun #include "common.h"
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun static struct of_dev_auxdata orion5x_auxdata_lookup[] __initdata = {
30*4882a593Smuzhiyun OF_DEV_AUXDATA("marvell,orion-spi", 0xf1010600, "orion_spi.0", NULL),
31*4882a593Smuzhiyun OF_DEV_AUXDATA("marvell,mv64xxx-i2c", 0xf1011000, "mv64xxx_i2c.0",
32*4882a593Smuzhiyun NULL),
33*4882a593Smuzhiyun OF_DEV_AUXDATA("marvell,orion-wdt", 0xf1020300, "orion_wdt", NULL),
34*4882a593Smuzhiyun OF_DEV_AUXDATA("marvell,orion-sata", 0xf1080000, "sata_mv.0", NULL),
35*4882a593Smuzhiyun OF_DEV_AUXDATA("marvell,orion-crypto", 0xf1090000, "mv_crypto", NULL),
36*4882a593Smuzhiyun {},
37*4882a593Smuzhiyun };
38*4882a593Smuzhiyun
orion5x_dt_init(void)39*4882a593Smuzhiyun static void __init orion5x_dt_init(void)
40*4882a593Smuzhiyun {
41*4882a593Smuzhiyun char *dev_name;
42*4882a593Smuzhiyun u32 dev, rev;
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun orion5x_id(&dev, &rev, &dev_name);
45*4882a593Smuzhiyun printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, orion5x_tclk);
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun BUG_ON(mvebu_mbus_dt_init(false));
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun /*
50*4882a593Smuzhiyun * Setup Orion address map
51*4882a593Smuzhiyun */
52*4882a593Smuzhiyun orion5x_setup_wins();
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun /*
55*4882a593Smuzhiyun * Don't issue "Wait for Interrupt" instruction if we are
56*4882a593Smuzhiyun * running on D0 5281 silicon.
57*4882a593Smuzhiyun */
58*4882a593Smuzhiyun if (dev == MV88F5281_DEV_ID && rev == MV88F5281_REV_D0) {
59*4882a593Smuzhiyun printk(KERN_INFO "Orion: Applying 5281 D0 WFI workaround.\n");
60*4882a593Smuzhiyun cpu_idle_poll_ctrl(true);
61*4882a593Smuzhiyun }
62*4882a593Smuzhiyun
63*4882a593Smuzhiyun if (of_machine_is_compatible("maxtor,shared-storage-2"))
64*4882a593Smuzhiyun mss2_init();
65*4882a593Smuzhiyun
66*4882a593Smuzhiyun of_platform_default_populate(NULL, orion5x_auxdata_lookup, NULL);
67*4882a593Smuzhiyun }
68*4882a593Smuzhiyun
69*4882a593Smuzhiyun static const char *orion5x_dt_compat[] = {
70*4882a593Smuzhiyun "marvell,orion5x",
71*4882a593Smuzhiyun NULL,
72*4882a593Smuzhiyun };
73*4882a593Smuzhiyun
74*4882a593Smuzhiyun DT_MACHINE_START(ORION5X_DT, "Marvell Orion5x (Flattened Device Tree)")
75*4882a593Smuzhiyun /* Maintainer: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> */
76*4882a593Smuzhiyun .map_io = orion5x_map_io,
77*4882a593Smuzhiyun .init_machine = orion5x_dt_init,
78*4882a593Smuzhiyun .restart = orion5x_restart,
79*4882a593Smuzhiyun .dt_compat = orion5x_dt_compat,
80*4882a593Smuzhiyun MACHINE_END
81