1 /* 2 * Copyright (c) 2008 Emcraft Systems 3 * Sergei Poselenov <sposelenov@emcraft.com> 4 * 5 * Based on MPC8560 ADS and arch/ppc tqm85xx ports 6 * 7 * Maintained by Kumar Gala (see MAINTAINERS for contact information) 8 * 9 * Copyright 2008 Freescale Semiconductor Inc. 10 * 11 * Copyright (c) 2005-2006 DENX Software Engineering 12 * Stefan Roese <sr@denx.de> 13 * 14 * Based on original work by 15 * Kumar Gala <kumar.gala@freescale.com> 16 * Copyright 2004 Freescale Semiconductor Inc. 17 * 18 * This program is free software; you can redistribute it and/or modify it 19 * under the terms of the GNU General Public License as published by the 20 * Free Software Foundation; either version 2 of the License, or (at your 21 * option) any later version. 22 */ 23 24 #include <linux/stddef.h> 25 #include <linux/kernel.h> 26 #include <linux/pci.h> 27 #include <linux/kdev_t.h> 28 #include <linux/delay.h> 29 #include <linux/seq_file.h> 30 #include <linux/of_platform.h> 31 32 #include <asm/time.h> 33 #include <asm/machdep.h> 34 #include <asm/pci-bridge.h> 35 #include <asm/mpic.h> 36 #include <asm/prom.h> 37 #include <mm/mmu_decl.h> 38 #include <asm/udbg.h> 39 40 #include <sysdev/fsl_soc.h> 41 #include <sysdev/fsl_pci.h> 42 43 #include "mpc85xx.h" 44 #include "socrates_fpga_pic.h" 45 46 static void __init socrates_pic_init(void) 47 { 48 struct device_node *np; 49 50 struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN, 51 0, 256, " OpenPIC "); 52 BUG_ON(mpic == NULL); 53 mpic_init(mpic); 54 55 np = of_find_compatible_node(NULL, NULL, "abb,socrates-fpga-pic"); 56 if (!np) { 57 printk(KERN_ERR "Could not find socrates-fpga-pic node\n"); 58 return; 59 } 60 socrates_fpga_pic_init(np); 61 of_node_put(np); 62 } 63 64 /* 65 * Setup the architecture 66 */ 67 static void __init socrates_setup_arch(void) 68 { 69 if (ppc_md.progress) 70 ppc_md.progress("socrates_setup_arch()", 0); 71 72 fsl_pci_assign_primary(); 73 } 74 75 machine_arch_initcall(socrates, mpc85xx_common_publish_devices); 76 77 /* 78 * Called very early, device-tree isn't unflattened 79 */ 80 static int __init socrates_probe(void) 81 { 82 if (of_machine_is_compatible("abb,socrates")) 83 return 1; 84 85 return 0; 86 } 87 88 define_machine(socrates) { 89 .name = "Socrates", 90 .probe = socrates_probe, 91 .setup_arch = socrates_setup_arch, 92 .init_IRQ = socrates_pic_init, 93 .get_irq = mpic_get_irq, 94 .calibrate_decr = generic_calibrate_decr, 95 .progress = udbg_progress, 96 }; 97