Linux Kernel  3.7.1
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board-dt.c
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1 /*
2  * Copyright 2012 (C), Jason Cooper <[email protected]>
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 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,orion-wdt", 0xf1020300, "orion_wdt", NULL),
34  OF_DEV_AUXDATA("marvell,orion-sata", 0xf1080000, "sata_mv.0", NULL),
35  OF_DEV_AUXDATA("marvell,orion-nand", 0xf4000000, "orion_nand", NULL),
36  OF_DEV_AUXDATA("marvell,orion-crypto", 0xf1030000, "mv_crypto", NULL),
37  {},
38 };
39 
40 static void __init kirkwood_dt_init(void)
41 {
42  pr_info("Kirkwood: %s, TCLK=%d.\n", kirkwood_id(), kirkwood_tclk);
43 
44  /*
45  * Disable propagation of mbus errors to the CPU local bus,
46  * as this causes mbus errors (which can occur for example
47  * for PCI aborts) to throw CPU aborts, which we're not set
48  * up to deal with.
49  */
51 
53 
55 
56  /* Setup root of clk tree */
58 
59  /* internal devices that every board has */
62 
63 #ifdef CONFIG_KEXEC
65 #endif
66 
67  if (of_machine_is_compatible("globalscale,dreamplug"))
69 
70  if (of_machine_is_compatible("dlink,dns-kirkwood"))
71  dnskw_init();
72 
73  if (of_machine_is_compatible("iom,iconnect"))
74  iconnect_init();
75 
76  if (of_machine_is_compatible("raidsonic,ib-nas62x0"))
77  ib62x0_init();
78 
79  if (of_machine_is_compatible("qnap,ts219"))
81 
82  if (of_machine_is_compatible("seagate,dockstar"))
84 
85  if (of_machine_is_compatible("seagate,goflexnet"))
87 
88  if (of_machine_is_compatible("buffalo,lsxl"))
89  lsxl_init();
90 
91  if (of_machine_is_compatible("iom,ix2-200"))
93 
94  if (of_machine_is_compatible("keymile,km_kirkwood"))
96 
97  of_platform_populate(NULL, kirkwood_dt_match_table,
98  kirkwood_auxdata_lookup, NULL);
99 }
100 
101 static const char *kirkwood_dt_board_compat[] = {
102  "globalscale,dreamplug",
103  "dlink,dns-320",
104  "dlink,dns-325",
105  "iom,iconnect",
106  "raidsonic,ib-nas62x0",
107  "qnap,ts219",
108  "seagate,dockstar",
109  "seagate,goflexnet",
110  "buffalo,lsxl",
111  "iom,ix2-200",
112  "keymile,km_kirkwood",
113  NULL
114 };
115 
116 DT_MACHINE_START(KIRKWOOD_DT, "Marvell Kirkwood (Flattened Device Tree)")
117  /* Maintainer: Jason Cooper <[email protected]> */
118  .map_io = kirkwood_map_io,
119  .init_early = kirkwood_init_early,
120  .init_irq = orion_dt_init_irq,
121  .timer = &kirkwood_timer,
122  .init_machine = kirkwood_dt_init,
123  .restart = kirkwood_restart,
124  .dt_compat = kirkwood_dt_board_compat,