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_fdt.h> 15 #include <linux/of_platform.h> 16 17 #include <asm/machdep.h> 18 #include <asm/udbg.h> 19 #include <asm/mpic.h> 20 21 #include <sysdev/fsl_soc.h> 22 #include <sysdev/fsl_pci.h> 23 24 #include "mpc85xx.h" 25 26 void __init c293_pcie_pic_init(void) 27 { 28 struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN | 29 MPIC_SINGLE_DEST_CPU, 0, 256, " OpenPIC "); 30 31 BUG_ON(mpic == NULL); 32 33 mpic_init(mpic); 34 } 35 36 37 /* 38 * Setup the architecture 39 */ 40 static void __init c293_pcie_setup_arch(void) 41 { 42 if (ppc_md.progress) 43 ppc_md.progress("c293_pcie_setup_arch()", 0); 44 45 fsl_pci_assign_primary(); 46 47 printk(KERN_INFO "C293 PCIE board from Freescale Semiconductor\n"); 48 } 49 50 machine_arch_initcall(c293_pcie, mpc85xx_common_publish_devices); 51 52 /* 53 * Called very early, device-tree isn't unflattened 54 */ 55 static int __init c293_pcie_probe(void) 56 { 57 unsigned long root = of_get_flat_dt_root(); 58 59 if (of_flat_dt_is_compatible(root, "fsl,C293PCIE")) 60 return 1; 61 return 0; 62 } 63 64 define_machine(c293_pcie) { 65 .name = "C293 PCIE", 66 .probe = c293_pcie_probe, 67 .setup_arch = c293_pcie_setup_arch, 68 .init_IRQ = c293_pcie_pic_init, 69 .get_irq = mpic_get_irq, 70 .restart = fsl_rstcr_restart, 71 .calibrate_decr = generic_calibrate_decr, 72 .progress = udbg_progress, 73 }; 74