| /* | |
| * Generic PowerPC 44x platform support | |
| * | |
| * Copyright 2008 IBM Corporation | |
| * | |
| * 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; version 2 of the License. | |
| * | |
| * This implements simple platform support for PowerPC 44x chips. This is | |
| * mostly used for eval boards or other simple and "generic" 44x boards. If | |
| * your board has custom functions or hardware, then you will likely want to | |
| * implement your own board.c file to accommodate it. | |
| */ | |
| #include <asm/machdep.h> | |
| #include <asm/pci-bridge.h> | |
| #include <asm/ppc4xx.h> | |
| #include <asm/prom.h> | |
| #include <asm/time.h> | |
| #include <asm/udbg.h> | |
| #include <asm/uic.h> | |
| #include <linux/init.h> | |
| #include <linux/of_platform.h> | |
| static const struct of_device_id ppc44x_of_bus[] __initconst = { | |
| { .compatible = "ibm,plb4", }, | |
| { .compatible = "ibm,opb", }, | |
| { .compatible = "ibm,ebc", }, | |
| { .compatible = "simple-bus", }, | |
| {}, | |
| }; | |
| static int __init ppc44x_device_probe(void) | |
| { | |
| of_platform_bus_probe(NULL, ppc44x_of_bus, NULL); | |
| return 0; | |
| } | |
| machine_device_initcall(ppc44x_simple, ppc44x_device_probe); | |
| /* This is the list of boards that can be supported by this simple | |
| * platform code. This does _not_ mean the boards are compatible, | |
| * as they most certainly are not from a device tree perspective. | |
| * However, their differences are handled by the device tree and the | |
| * drivers and therefore they don't need custom board support files. | |
| * | |
| * Again, if your board needs to do things differently then create a | |
| * board.c file for it rather than adding it to this list. | |
| */ | |
| static char *board[] __initdata = { | |
| "amcc,arches", | |
| "amcc,bamboo", | |
| "apm,bluestone", | |
| "amcc,glacier", | |
| "ibm,ebony", | |
| "amcc,eiger", | |
| "amcc,katmai", | |
| "amcc,rainier", | |
| "amcc,redwood", | |
| "amcc,sequoia", | |
| "amcc,taishan", | |
| "amcc,yosemite", | |
| "mosaixtech,icon" | |
| }; | |
| static int __init ppc44x_probe(void) | |
| { | |
| int i = 0; | |
| for (i = 0; i < ARRAY_SIZE(board); i++) { | |
| if (of_machine_is_compatible(board[i])) { | |
| pci_set_flags(PCI_REASSIGN_ALL_RSRC); | |
| return 1; | |
| } | |
| } | |
| return 0; | |
| } | |
| define_machine(ppc44x_simple) { | |
| .name = "PowerPC 44x Platform", | |
| .probe = ppc44x_probe, | |
| .progress = udbg_progress, | |
| .init_IRQ = uic_init_tree, | |
| .get_irq = uic_get_irq, | |
| .restart = ppc4xx_reset_system, | |
| .calibrate_decr = generic_calibrate_decr, | |
| }; |