1 /* 2 * Sam440ep board specific routines based off bamboo.c code 3 * original copyrights below 4 * 5 * Wade Farnsworth <wfarnsworth@mvista.com> 6 * Copyright 2004 MontaVista Software Inc. 7 * 8 * Rewritten and ported to the merged powerpc tree: 9 * Josh Boyer <jwboyer@linux.vnet.ibm.com> 10 * Copyright 2007 IBM Corporation 11 * 12 * Modified from bamboo.c for sam440ep: 13 * Copyright 2008 Giuseppe Coviello <gicoviello@gmail.com> 14 * 15 * This program is free software; you can redistribute it and/or modify it 16 * under the terms of the GNU General Public License as published by the 17 * Free Software Foundation; either version 2 of the License, or (at your 18 * option) any later version. 19 */ 20 #include <linux/init.h> 21 #include <linux/of_platform.h> 22 23 #include <asm/machdep.h> 24 #include <asm/prom.h> 25 #include <asm/udbg.h> 26 #include <asm/time.h> 27 #include <asm/uic.h> 28 #include <asm/pci-bridge.h> 29 #include <asm/ppc4xx.h> 30 #include <linux/i2c.h> 31 32 static const struct of_device_id sam440ep_of_bus[] __initconst = { 33 { .compatible = "ibm,plb4", }, 34 { .compatible = "ibm,opb", }, 35 { .compatible = "ibm,ebc", }, 36 {}, 37 }; 38 39 static int __init sam440ep_device_probe(void) 40 { 41 of_platform_bus_probe(NULL, sam440ep_of_bus, NULL); 42 43 return 0; 44 } 45 machine_device_initcall(sam440ep, sam440ep_device_probe); 46 47 static int __init sam440ep_probe(void) 48 { 49 unsigned long root = of_get_flat_dt_root(); 50 51 if (!of_flat_dt_is_compatible(root, "acube,sam440ep")) 52 return 0; 53 54 pci_set_flags(PCI_REASSIGN_ALL_RSRC); 55 56 return 1; 57 } 58 59 define_machine(sam440ep) { 60 .name = "Sam440ep", 61 .probe = sam440ep_probe, 62 .progress = udbg_progress, 63 .init_IRQ = uic_init_tree, 64 .get_irq = uic_get_irq, 65 .restart = ppc4xx_reset_system, 66 .calibrate_decr = generic_calibrate_decr, 67 }; 68 69 static struct i2c_board_info sam440ep_rtc_info = { 70 .type = "m41st85", 71 .addr = 0x68, 72 .irq = -1, 73 }; 74 75 static int sam440ep_setup_rtc(void) 76 { 77 return i2c_register_board_info(0, &sam440ep_rtc_info, 1); 78 } 79 machine_device_initcall(sam440ep, sam440ep_setup_rtc); 80