1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * MPC8536 DS Board Setup
4  *
5  * Copyright 2008 Freescale Semiconductor, Inc.
6  */
7 
8 #include <linux/stddef.h>
9 #include <linux/kernel.h>
10 #include <linux/pci.h>
11 #include <linux/kdev_t.h>
12 #include <linux/delay.h>
13 #include <linux/seq_file.h>
14 #include <linux/interrupt.h>
15 #include <linux/of_platform.h>
16 
17 #include <asm/time.h>
18 #include <asm/machdep.h>
19 #include <asm/pci-bridge.h>
20 #include <mm/mmu_decl.h>
21 #include <asm/udbg.h>
22 #include <asm/mpic.h>
23 #include <asm/swiotlb.h>
24 
25 #include <sysdev/fsl_soc.h>
26 #include <sysdev/fsl_pci.h>
27 
28 #include "mpc85xx.h"
29 
mpc8536_ds_pic_init(void)30 void __init mpc8536_ds_pic_init(void)
31 {
32 	struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN,
33 			0, 256, " OpenPIC  ");
34 	BUG_ON(mpic == NULL);
35 	mpic_init(mpic);
36 }
37 
38 /*
39  * Setup the architecture
40  */
mpc8536_ds_setup_arch(void)41 static void __init mpc8536_ds_setup_arch(void)
42 {
43 	if (ppc_md.progress)
44 		ppc_md.progress("mpc8536_ds_setup_arch()", 0);
45 
46 	fsl_pci_assign_primary();
47 
48 	swiotlb_detect_4g();
49 
50 	printk("MPC8536 DS board from Freescale Semiconductor\n");
51 }
52 
53 machine_arch_initcall(mpc8536_ds, mpc85xx_common_publish_devices);
54 
55 /*
56  * Called very early, device-tree isn't unflattened
57  */
mpc8536_ds_probe(void)58 static int __init mpc8536_ds_probe(void)
59 {
60 	return of_machine_is_compatible("fsl,mpc8536ds");
61 }
62 
define_machine(mpc8536_ds)63 define_machine(mpc8536_ds) {
64 	.name			= "MPC8536 DS",
65 	.probe			= mpc8536_ds_probe,
66 	.setup_arch		= mpc8536_ds_setup_arch,
67 	.init_IRQ		= mpc8536_ds_pic_init,
68 #ifdef CONFIG_PCI
69 	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
70 	.pcibios_fixup_phb      = fsl_pcibios_fixup_phb,
71 #endif
72 	.get_irq		= mpic_get_irq,
73 	.calibrate_decr		= generic_calibrate_decr,
74 	.progress		= udbg_progress,
75 };
76