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 | |
36 | static void __init orion5x_dt_init(void) |
37 | { |
38 | char *dev_name; |
39 | u32 dev, rev; |
40 | |
41 | orion5x_id(dev: &dev, rev: &rev, dev_name: &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(enable: true); |
58 | } |
59 | |
60 | if (of_machine_is_compatible(compat: "maxtor,shared-storage-2" )) |
61 | mss2_init(); |
62 | |
63 | if (of_machine_is_compatible(compat: "lacie,d2-network" )) |
64 | d2net_init(); |
65 | |
66 | of_platform_default_populate(NULL, lookup: 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 | |