Merge tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
[linux-3.10.git] / arch / arm / mach-kirkwood / board-dt.c
1 /*
2  * Copyright 2012 (C), Jason Cooper <jason@lakedaemon.net>
3  *
4  * arch/arm/mach-kirkwood/board-dt.c
5  *
6  * Flattened Device Tree board initialization
7  *
8  * This file is licensed under the terms of the GNU General Public
9  * License version 2.  This program is licensed "as is" without any
10  * warranty of any kind, whether express or implied.
11  */
12
13 #include <linux/kernel.h>
14 #include <linux/init.h>
15 #include <linux/of.h>
16 #include <linux/of_platform.h>
17 #include <linux/kexec.h>
18 #include <asm/mach/arch.h>
19 #include <asm/mach/map.h>
20 #include <mach/bridge-regs.h>
21 #include <plat/irq.h>
22 #include "common.h"
23
24 static struct of_device_id kirkwood_dt_match_table[] __initdata = {
25         { .compatible = "simple-bus", },
26         { }
27 };
28
29 static struct of_dev_auxdata kirkwood_auxdata_lookup[] __initdata = {
30         OF_DEV_AUXDATA("marvell,orion-spi", 0xf1010600, "orion_spi.0", NULL),
31         OF_DEV_AUXDATA("marvell,mv64xxx-i2c", 0xf1011000, "mv64xxx_i2c.0",
32                        NULL),
33         OF_DEV_AUXDATA("marvell,mv64xxx-i2c", 0xf1011100, "mv64xxx_i2c.1",
34                        NULL),
35         OF_DEV_AUXDATA("marvell,orion-wdt", 0xf1020300, "orion_wdt", NULL),
36         OF_DEV_AUXDATA("marvell,orion-sata", 0xf1080000, "sata_mv.0", NULL),
37         OF_DEV_AUXDATA("marvell,orion-nand", 0xf4000000, "orion_nand", NULL),
38         OF_DEV_AUXDATA("marvell,orion-crypto", 0xf1030000, "mv_crypto", NULL),
39         {},
40 };
41
42 static void __init kirkwood_dt_init(void)
43 {
44         pr_info("Kirkwood: %s, TCLK=%d.\n", kirkwood_id(), kirkwood_tclk);
45
46         /*
47          * Disable propagation of mbus errors to the CPU local bus,
48          * as this causes mbus errors (which can occur for example
49          * for PCI aborts) to throw CPU aborts, which we're not set
50          * up to deal with.
51          */
52         writel(readl(CPU_CONFIG) & ~CPU_CONFIG_ERROR_PROP, CPU_CONFIG);
53
54         kirkwood_setup_cpu_mbus();
55
56         kirkwood_l2_init();
57
58         /* Setup root of clk tree */
59         kirkwood_clk_init();
60
61         /* internal devices that every board has */
62         kirkwood_xor0_init();
63         kirkwood_xor1_init();
64
65 #ifdef CONFIG_KEXEC
66         kexec_reinit = kirkwood_enable_pcie;
67 #endif
68
69         if (of_machine_is_compatible("globalscale,dreamplug"))
70                 dreamplug_init();
71
72         if (of_machine_is_compatible("dlink,dns-kirkwood"))
73                 dnskw_init();
74
75         if (of_machine_is_compatible("iom,iconnect"))
76                 iconnect_init();
77
78         if (of_machine_is_compatible("raidsonic,ib-nas62x0"))
79                 ib62x0_init();
80
81         if (of_machine_is_compatible("qnap,ts219"))
82                 qnap_dt_ts219_init();
83
84         if (of_machine_is_compatible("seagate,dockstar"))
85                 dockstar_dt_init();
86
87         if (of_machine_is_compatible("seagate,goflexnet"))
88                 goflexnet_init();
89
90         if (of_machine_is_compatible("buffalo,lsxl"))
91                 lsxl_init();
92
93         if (of_machine_is_compatible("iom,ix2-200"))
94                 iomega_ix2_200_init();
95
96         if (of_machine_is_compatible("keymile,km_kirkwood"))
97                 km_kirkwood_init();
98
99         if (of_machine_is_compatible("lacie,inetspace_v2") ||
100             of_machine_is_compatible("lacie,netspace_v2") ||
101             of_machine_is_compatible("lacie,netspace_max_v2") ||
102             of_machine_is_compatible("lacie,netspace_lite_v2") ||
103             of_machine_is_compatible("lacie,netspace_mini_v2"))
104                 ns2_init();
105
106         if (of_machine_is_compatible("mpl,cec4"))
107                 mplcec4_init();
108
109         if (of_machine_is_compatible("plathome,openblocks-a6"))
110                 openblocks_a6_init();
111
112         if (of_machine_is_compatible("usi,topkick"))
113                 usi_topkick_init();
114
115         if (of_machine_is_compatible("zyxel,nsa310"))
116                 nsa310_init();
117
118         of_platform_populate(NULL, kirkwood_dt_match_table,
119                              kirkwood_auxdata_lookup, NULL);
120 }
121
122 static const char * const kirkwood_dt_board_compat[] = {
123         "globalscale,dreamplug",
124         "dlink,dns-320",
125         "dlink,dns-325",
126         "iom,iconnect",
127         "raidsonic,ib-nas62x0",
128         "qnap,ts219",
129         "seagate,dockstar",
130         "seagate,goflexnet",
131         "buffalo,lsxl",
132         "iom,ix2-200",
133         "keymile,km_kirkwood",
134         "lacie,inetspace_v2",
135         "lacie,netspace_max_v2",
136         "lacie,netspace_v2",
137         "lacie,netspace_lite_v2",
138         "lacie,netspace_mini_v2",
139         "mpl,cec4",
140         "plathome,openblocks-a6",
141         "usi,topkick",
142         "zyxel,nsa310",
143         NULL
144 };
145
146 DT_MACHINE_START(KIRKWOOD_DT, "Marvell Kirkwood (Flattened Device Tree)")
147         /* Maintainer: Jason Cooper <jason@lakedaemon.net> */
148         .map_io         = kirkwood_map_io,
149         .init_early     = kirkwood_init_early,
150         .init_irq       = orion_dt_init_irq,
151         .timer          = &kirkwood_timer,
152         .init_machine   = kirkwood_dt_init,
153         .restart        = kirkwood_restart,
154         .dt_compat      = kirkwood_dt_board_compat,
155 MACHINE_END