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/prom.h>
22 #include <asm/udbg.h>
23 #include <asm/mpic.h>
24 #include <asm/swiotlb.h>
25 
26 #include <sysdev/fsl_soc.h>
27 #include <sysdev/fsl_pci.h>
28 
29 #include "mpc85xx.h"
30 
mpc8536_ds_pic_init(void)31 void __init mpc8536_ds_pic_init(void)
32 {
33 	struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN,
34 			0, 256, " OpenPIC  ");
35 	BUG_ON(mpic == NULL);
36 	mpic_init(mpic);
37 }
38 
39 /*
40  * Setup the architecture
41  */
mpc8536_ds_setup_arch(void)42 static void __init mpc8536_ds_setup_arch(void)
43 {
44 	if (ppc_md.progress)
45 		ppc_md.progress("mpc8536_ds_setup_arch()", 0);
46 
47 	fsl_pci_assign_primary();
48 
49 	swiotlb_detect_4g();
50 
51 	printk("MPC8536 DS board from Freescale Semiconductor\n");
52 }
53 
54 machine_arch_initcall(mpc8536_ds, mpc85xx_common_publish_devices);
55 
56 /*
57  * Called very early, device-tree isn't unflattened
58  */
mpc8536_ds_probe(void)59 static int __init mpc8536_ds_probe(void)
60 {
61 	return of_machine_is_compatible("fsl,mpc8536ds");
62 }
63 
define_machine(mpc8536_ds)64 define_machine(mpc8536_ds) {
65 	.name			= "MPC8536 DS",
66 	.probe			= mpc8536_ds_probe,
67 	.setup_arch		= mpc8536_ds_setup_arch,
68 	.init_IRQ		= mpc8536_ds_pic_init,
69 #ifdef CONFIG_PCI
70 	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
71 	.pcibios_fixup_phb      = fsl_pcibios_fixup_phb,
72 #endif
73 	.get_irq		= mpic_get_irq,
74 	.calibrate_decr		= generic_calibrate_decr,
75 	.progress		= udbg_progress,
76 };
77