1 /*
2  * SBC8641D board specific routines
3  *
4  * Copyright 2008 Wind River Systems Inc.
5  *
6  * By Paul Gortmaker (see MAINTAINERS for contact information)
7  *
8  * Based largely on the 8641 HPCN support by Freescale Semiconductor Inc.
9  *
10  * This program is free software; you can redistribute  it and/or modify it
11  * under  the terms of  the GNU General  Public License as published by the
12  * Free Software Foundation;  either version 2 of the  License, or (at your
13  * option) any later version.
14  */
15 
16 #include <linux/stddef.h>
17 #include <linux/kernel.h>
18 #include <linux/pci.h>
19 #include <linux/kdev_t.h>
20 #include <linux/delay.h>
21 #include <linux/seq_file.h>
22 #include <linux/of_platform.h>
23 
24 #include <asm/time.h>
25 #include <asm/machdep.h>
26 #include <asm/pci-bridge.h>
27 #include <asm/prom.h>
28 #include <mm/mmu_decl.h>
29 #include <asm/udbg.h>
30 
31 #include <asm/mpic.h>
32 
33 #include <sysdev/fsl_pci.h>
34 #include <sysdev/fsl_soc.h>
35 
36 #include "mpc86xx.h"
37 
38 static void __init
sbc8641_setup_arch(void)39 sbc8641_setup_arch(void)
40 {
41 	if (ppc_md.progress)
42 		ppc_md.progress("sbc8641_setup_arch()", 0);
43 
44 	printk("SBC8641 board from Wind River\n");
45 
46 #ifdef CONFIG_SMP
47 	mpc86xx_smp_init();
48 #endif
49 
50 	fsl_pci_assign_primary();
51 }
52 
53 
54 static void
sbc8641_show_cpuinfo(struct seq_file * m)55 sbc8641_show_cpuinfo(struct seq_file *m)
56 {
57 	uint svid = mfspr(SPRN_SVR);
58 
59 	seq_printf(m, "Vendor\t\t: Wind River Systems\n");
60 
61 	seq_printf(m, "SVR\t\t: 0x%x\n", svid);
62 }
63 
64 
65 /*
66  * Called very early, device-tree isn't unflattened
67  */
sbc8641_probe(void)68 static int __init sbc8641_probe(void)
69 {
70 	if (of_machine_is_compatible("wind,sbc8641"))
71 		return 1;	/* Looks good */
72 
73 	return 0;
74 }
75 
76 machine_arch_initcall(sbc8641, mpc86xx_common_publish_devices);
77 
define_machine(sbc8641)78 define_machine(sbc8641) {
79 	.name			= "SBC8641D",
80 	.probe			= sbc8641_probe,
81 	.setup_arch		= sbc8641_setup_arch,
82 	.init_IRQ		= mpc86xx_init_irq,
83 	.show_cpuinfo		= sbc8641_show_cpuinfo,
84 	.get_irq		= mpic_get_irq,
85 	.time_init		= mpc86xx_time_init,
86 	.calibrate_decr		= generic_calibrate_decr,
87 	.progress		= udbg_progress,
88 #ifdef CONFIG_PCI
89 	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
90 #endif
91 };
92