diff options
Diffstat (limited to 'arch/powerpc/platforms/83xx/mpc836x_rdk.c')
-rw-r--r-- | arch/powerpc/platforms/83xx/mpc836x_rdk.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/83xx/mpc836x_rdk.c b/arch/powerpc/platforms/83xx/mpc836x_rdk.c new file mode 100644 index 000000000000..a5273bb28e1b --- /dev/null +++ b/arch/powerpc/platforms/83xx/mpc836x_rdk.c @@ -0,0 +1,103 @@ +/* + * MPC8360E-RDK board file. + * + * Copyright (c) 2006 Freescale Semicondutor, Inc. + * Copyright (c) 2007-2008 MontaVista Software, Inc. + * + * Author: Anton Vorontsov <avorontsov@ru.mvista.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/of_platform.h> +#include <linux/io.h> +#include <asm/prom.h> +#include <asm/time.h> +#include <asm/ipic.h> +#include <asm/udbg.h> +#include <asm/qe.h> +#include <asm/qe_ic.h> +#include <sysdev/fsl_soc.h> +#include <sysdev/fsl_pci.h> + +#include "mpc83xx.h" + +static struct of_device_id __initdata mpc836x_rdk_ids[] = { + { .compatible = "simple-bus", }, + {}, +}; + +static int __init mpc836x_rdk_declare_of_platform_devices(void) +{ + return of_platform_bus_probe(NULL, mpc836x_rdk_ids, NULL); +} +machine_device_initcall(mpc836x_rdk, mpc836x_rdk_declare_of_platform_devices); + +static void __init mpc836x_rdk_setup_arch(void) +{ +#ifdef CONFIG_PCI + struct device_node *np; +#endif + + if (ppc_md.progress) + ppc_md.progress("mpc836x_rdk_setup_arch()", 0); + +#ifdef CONFIG_PCI + for_each_compatible_node(np, "pci", "fsl,mpc8349-pci") + mpc83xx_add_bridge(np); +#endif + + qe_reset(); +} + +static void __init mpc836x_rdk_init_IRQ(void) +{ + struct device_node *np; + + np = of_find_compatible_node(NULL, NULL, "fsl,ipic"); + if (!np) + return; + + ipic_init(np, 0); + + /* + * Initialize the default interrupt mapping priorities, + * in case the boot rom changed something on us. + */ + ipic_set_default_priority(); + of_node_put(np); + + np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic"); + if (!np) + return; + + qe_ic_init(np, 0, qe_ic_cascade_low_ipic, qe_ic_cascade_high_ipic); + of_node_put(np); +} + +/* + * Called very early, MMU is off, device-tree isn't unflattened. + */ +static int __init mpc836x_rdk_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + return of_flat_dt_is_compatible(root, "fsl,mpc8360rdk"); +} + +define_machine(mpc836x_rdk) { + .name = "MPC836x RDK", + .probe = mpc836x_rdk_probe, + .setup_arch = mpc836x_rdk_setup_arch, + .init_IRQ = mpc836x_rdk_init_IRQ, + .get_irq = ipic_get_irq, + .restart = mpc83xx_restart, + .time_init = mpc83xx_time_init, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, +}; |