1 /* 2 * C293PCIE Board Setup 3 * 4 * Copyright 2013 Freescale Semiconductor Inc. 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License as published by the 8 * Free Software Foundation; either version 2 of the License, or (at your 9 * option) any later version. 10 */ 11 12 #include <linux/stddef.h> 13 #include <linux/kernel.h> 14 #include <linux/of_platform.h> 15 16 #include <asm/machdep.h> 17 #include <asm/udbg.h> 18 #include <asm/mpic.h> 19 20 #include <sysdev/fsl_soc.h> 21 #include <sysdev/fsl_pci.h> 22 23 #include "mpc85xx.h" 24 25 void __init c293_pcie_pic_init(void) 26 { 27 struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN | 28 MPIC_SINGLE_DEST_CPU, 0, 256, " OpenPIC "); 29 30 BUG_ON(mpic == NULL); 31 32 mpic_init(mpic); 33 } 34 35 36 /* 37 * Setup the architecture 38 */ 39 static void __init c293_pcie_setup_arch(void) 40 { 41 if (ppc_md.progress) 42 ppc_md.progress("c293_pcie_setup_arch()", 0); 43 44 fsl_pci_assign_primary(); 45 46 printk(KERN_INFO "C293 PCIE board from Freescale Semiconductor\n"); 47 } 48 49 machine_arch_initcall(c293_pcie, mpc85xx_common_publish_devices); 50 51 /* 52 * Called very early, device-tree isn't unflattened 53 */ 54 static int __init c293_pcie_probe(void) 55 { 56 unsigned long root = of_get_flat_dt_root(); 57 58 if (of_flat_dt_is_compatible(root, "fsl,C293PCIE")) 59 return 1; 60 return 0; 61 } 62 63 define_machine(c293_pcie) { 64 .name = "C293 PCIE", 65 .probe = c293_pcie_probe, 66 .setup_arch = c293_pcie_setup_arch, 67 .init_IRQ = c293_pcie_pic_init, 68 #ifdef CONFIG_PCI 69 .pcibios_fixup_bus = fsl_pcibios_fixup_bus, 70 #endif 71 .get_irq = mpic_get_irq, 72 .restart = fsl_rstcr_restart, 73 .calibrate_decr = generic_calibrate_decr, 74 .progress = udbg_progress, 75 }; 76