diff options
Diffstat (limited to 'arch/powerpc/platforms/83xx/mpc830x_rdb.c')
-rw-r--r-- | arch/powerpc/platforms/83xx/mpc830x_rdb.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/83xx/mpc830x_rdb.c b/arch/powerpc/platforms/83xx/mpc830x_rdb.c new file mode 100644 index 000000000000..ac102ee9abe8 --- /dev/null +++ b/arch/powerpc/platforms/83xx/mpc830x_rdb.c @@ -0,0 +1,94 @@ +/* + * arch/powerpc/platforms/83xx/mpc830x_rdb.c + * + * Description: MPC830x RDB board specific routines. + * This file is based on mpc831x_rdb.c + * + * Copyright (C) Freescale Semiconductor, Inc. 2009. All rights reserved. + * Copyright (C) 2010. Ilya Yanok, Emcraft Systems, yanok@emcraft.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/pci.h> +#include <linux/of_platform.h> +#include <asm/time.h> +#include <asm/ipic.h> +#include <asm/udbg.h> +#include <sysdev/fsl_pci.h> +#include <sysdev/fsl_soc.h> +#include "mpc83xx.h" + +/* + * Setup the architecture + */ +static void __init mpc830x_rdb_setup_arch(void) +{ +#ifdef CONFIG_PCI + struct device_node *np; +#endif + + if (ppc_md.progress) + ppc_md.progress("mpc830x_rdb_setup_arch()", 0); + +#ifdef CONFIG_PCI + for_each_compatible_node(np, "pci", "fsl,mpc8308-pcie") + mpc83xx_add_bridge(np); +#endif + mpc831x_usb_cfg(); +} + +static void __init mpc830x_rdb_init_IRQ(void) +{ + struct device_node *np; + + np = of_find_node_by_type(NULL, "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(); +} + +/* + * Called very early, MMU is off, device-tree isn't unflattened + */ +static int __init mpc830x_rdb_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + return of_flat_dt_is_compatible(root, "MPC8308RDB") || + of_flat_dt_is_compatible(root, "fsl,mpc8308rdb"); +} + +static struct of_device_id __initdata of_bus_ids[] = { + { .compatible = "simple-bus" }, + { .compatible = "gianfar" }, + {}, +}; + +static int __init declare_of_platform_devices(void) +{ + of_platform_bus_probe(NULL, of_bus_ids, NULL); + return 0; +} +machine_device_initcall(mpc830x_rdb, declare_of_platform_devices); + +define_machine(mpc830x_rdb) { + .name = "MPC830x RDB", + .probe = mpc830x_rdb_probe, + .setup_arch = mpc830x_rdb_setup_arch, + .init_IRQ = mpc830x_rdb_init_IRQ, + .get_irq = ipic_get_irq, + .restart = mpc83xx_restart, + .time_init = mpc83xx_time_init, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, +}; |