1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright 2012 (C), Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
4 *
5 * arch/arm/mach-orion5x/board-dt.c
6 *
7 * Flattened Device Tree board initialization
8 */
9
10 #include <linux/kernel.h>
11 #include <linux/init.h>
12 #include <linux/of.h>
13 #include <linux/of_platform.h>
14 #include <linux/cpu.h>
15 #include <linux/mbus.h>
16 #include <linux/clocksource.h>
17 #include <asm/system_misc.h>
18 #include <asm/mach/arch.h>
19 #include <asm/mach/map.h>
20 #include <plat/irq.h>
21 #include <plat/time.h>
22 #include "orion5x.h"
23 #include "bridge-regs.h"
24 #include "common.h"
25
26 static struct of_dev_auxdata orion5x_auxdata_lookup[] __initdata = {
27 OF_DEV_AUXDATA("marvell,orion-spi", 0xf1010600, "orion_spi.0", NULL),
28 OF_DEV_AUXDATA("marvell,mv64xxx-i2c", 0xf1011000, "mv64xxx_i2c.0",
29 NULL),
30 OF_DEV_AUXDATA("marvell,orion-wdt", 0xf1020300, "orion_wdt", NULL),
31 OF_DEV_AUXDATA("marvell,orion-sata", 0xf1080000, "sata_mv.0", NULL),
32 OF_DEV_AUXDATA("marvell,orion-crypto", 0xf1090000, "mv_crypto", NULL),
33 {},
34 };
35
orion5x_dt_init(void)36 static void __init orion5x_dt_init(void)
37 {
38 char *dev_name;
39 u32 dev, rev;
40
41 orion5x_id(&dev, &rev, &dev_name);
42 printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, orion5x_tclk);
43
44 BUG_ON(mvebu_mbus_dt_init(false));
45
46 /*
47 * Setup Orion address map
48 */
49 orion5x_setup_wins();
50
51 /*
52 * Don't issue "Wait for Interrupt" instruction if we are
53 * running on D0 5281 silicon.
54 */
55 if (dev == MV88F5281_DEV_ID && rev == MV88F5281_REV_D0) {
56 printk(KERN_INFO "Orion: Applying 5281 D0 WFI workaround.\n");
57 cpu_idle_poll_ctrl(true);
58 }
59
60 if (of_machine_is_compatible("maxtor,shared-storage-2"))
61 mss2_init();
62
63 if (of_machine_is_compatible("lacie,d2-network"))
64 d2net_init();
65
66 of_platform_default_populate(NULL, orion5x_auxdata_lookup, NULL);
67 }
68
69 static const char *orion5x_dt_compat[] = {
70 "marvell,orion5x",
71 NULL,
72 };
73
74 DT_MACHINE_START(ORION5X_DT, "Marvell Orion5x (Flattened Device Tree)")
75 /* Maintainer: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> */
76 .map_io = orion5x_map_io,
77 .init_machine = orion5x_dt_init,
78 .restart = orion5x_restart,
79 .dt_compat = orion5x_dt_compat,
80 MACHINE_END
81