2 * Copyright 2012 (C), Jason Cooper <jason@lakedaemon.net>
4 * arch/arm/mach-kirkwood/board-dt.c
6 * Flattened Device Tree board initialization
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.
13 #include <linux/kernel.h>
14 #include <linux/init.h>
16 #include <linux/of_platform.h>
17 #include <asm/mach/arch.h>
18 #include <asm/mach/map.h>
19 #include <mach/bridge-regs.h>
22 static struct of_device_id kirkwood_dt_match_table[] __initdata = {
23 { .compatible = "simple-bus", },
27 static void __init kirkwood_dt_init(void)
29 pr_info("Kirkwood: %s, TCLK=%d.\n", kirkwood_id(), kirkwood_tclk);
32 * Disable propagation of mbus errors to the CPU local bus,
33 * as this causes mbus errors (which can occur for example
34 * for PCI aborts) to throw CPU aborts, which we're not set
37 writel(readl(CPU_CONFIG) & ~CPU_CONFIG_ERROR_PROP, CPU_CONFIG);
39 kirkwood_setup_cpu_mbus();
41 #ifdef CONFIG_CACHE_FEROCEON_L2
45 /* internal devices that every board has */
49 kirkwood_crypto_init();
52 kexec_reinit = kirkwood_enable_pcie;
55 if (of_machine_is_compatible("globalscale,dreamplug"))
58 of_platform_populate(NULL, kirkwood_dt_match_table, NULL, NULL);
61 static const char *kirkwood_dt_board_compat[] = {
62 "globalscale,dreamplug",
66 DT_MACHINE_START(KIRKWOOD_DT, "Marvell Kirkwood (Flattened Device Tree)")
67 /* Maintainer: Jason Cooper <jason@lakedaemon.net> */
68 .map_io = kirkwood_map_io,
69 .init_early = kirkwood_init_early,
70 .init_irq = kirkwood_init_irq,
71 .timer = &kirkwood_timer,
72 .init_machine = kirkwood_dt_init,
73 .restart = kirkwood_restart,
74 .dt_compat = kirkwood_dt_board_compat,