1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * C293PCIE Board Setup
4 *
5 * Copyright 2013 Freescale Semiconductor Inc.
6 */
7
8 #include <linux/stddef.h>
9 #include <linux/kernel.h>
10 #include <linux/of_fdt.h>
11 #include <linux/of_platform.h>
12
13 #include <asm/machdep.h>
14 #include <asm/udbg.h>
15 #include <asm/mpic.h>
16
17 #include <sysdev/fsl_soc.h>
18 #include <sysdev/fsl_pci.h>
19
20 #include "mpc85xx.h"
21
c293_pcie_pic_init(void)22 void __init c293_pcie_pic_init(void)
23 {
24 struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN |
25 MPIC_SINGLE_DEST_CPU, 0, 256, " OpenPIC ");
26
27 BUG_ON(mpic == NULL);
28
29 mpic_init(mpic);
30 }
31
32
33 /*
34 * Setup the architecture
35 */
c293_pcie_setup_arch(void)36 static void __init c293_pcie_setup_arch(void)
37 {
38 if (ppc_md.progress)
39 ppc_md.progress("c293_pcie_setup_arch()", 0);
40
41 fsl_pci_assign_primary();
42
43 printk(KERN_INFO "C293 PCIE board from Freescale Semiconductor\n");
44 }
45
46 machine_arch_initcall(c293_pcie, mpc85xx_common_publish_devices);
47
48 /*
49 * Called very early, device-tree isn't unflattened
50 */
c293_pcie_probe(void)51 static int __init c293_pcie_probe(void)
52 {
53 if (of_machine_is_compatible("fsl,C293PCIE"))
54 return 1;
55 return 0;
56 }
57
define_machine(c293_pcie)58 define_machine(c293_pcie) {
59 .name = "C293 PCIE",
60 .probe = c293_pcie_probe,
61 .setup_arch = c293_pcie_setup_arch,
62 .init_IRQ = c293_pcie_pic_init,
63 .get_irq = mpic_get_irq,
64 .calibrate_decr = generic_calibrate_decr,
65 .progress = udbg_progress,
66 };
67
