| /* |
| * 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 __initdata struct of_device_id ppc44x_of_bus[] = { |
| { .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) |
| { |
| unsigned long root = of_get_flat_dt_root(); |
| int i = 0; |
| |
| for (i = 0; i < ARRAY_SIZE(board); i++) { |
| if (of_flat_dt_is_compatible(root, 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, |
| }; |
